diff --git a/bin/bundle.js b/bin/bundle.js deleted file mode 100644 index f8b137b..0000000 --- a/bin/bundle.js +++ /dev/null @@ -1,65049 +0,0 @@ -(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i 0 ? round(clientRect.width) / element.offsetWidth || 1 : 1; - scaleY = element.offsetHeight > 0 ? round(clientRect.height) / element.offsetHeight || 1 : 1; - } - - var _ref = isElement(element) ? getWindow(element) : window, - visualViewport = _ref.visualViewport; - - var addVisualOffsets = !isLayoutViewport() && isFixedStrategy; - var x = (clientRect.left + (addVisualOffsets && visualViewport ? visualViewport.offsetLeft : 0)) / scaleX; - var y = (clientRect.top + (addVisualOffsets && visualViewport ? visualViewport.offsetTop : 0)) / scaleY; - var width = clientRect.width / scaleX; - var height = clientRect.height / scaleY; - return { - width: width, - height: height, - top: y, - right: x + width, - bottom: y + height, - left: x, - x: x, - y: y - }; -} - -function getWindowScroll(node) { - var win = getWindow(node); - var scrollLeft = win.pageXOffset; - var scrollTop = win.pageYOffset; - return { - scrollLeft: scrollLeft, - scrollTop: scrollTop - }; -} - -function getHTMLElementScroll(element) { - return { - scrollLeft: element.scrollLeft, - scrollTop: element.scrollTop - }; -} - -function getNodeScroll(node) { - if (node === getWindow(node) || !isHTMLElement(node)) { - return getWindowScroll(node); - } else { - return getHTMLElementScroll(node); - } -} - -function getNodeName(element) { - return element ? (element.nodeName || '').toLowerCase() : null; -} - -function getDocumentElement(element) { - // $FlowFixMe[incompatible-return]: assume body is always available - return ((isElement(element) ? element.ownerDocument : // $FlowFixMe[prop-missing] - element.document) || window.document).documentElement; -} - -function getWindowScrollBarX(element) { - // If has a CSS width greater than the viewport, then this will be - // incorrect for RTL. - // Popper 1 is broken in this case and never had a bug report so let's assume - // it's not an issue. I don't think anyone ever specifies width on - // anyway. - // Browsers where the left scrollbar doesn't cause an issue report `0` for - // this (e.g. Edge 2019, IE11, Safari) - return getBoundingClientRect(getDocumentElement(element)).left + getWindowScroll(element).scrollLeft; -} - -function getComputedStyle(element) { - return getWindow(element).getComputedStyle(element); -} - -function isScrollParent(element) { - // Firefox wants us to check `-x` and `-y` variations as well - var _getComputedStyle = getComputedStyle(element), - overflow = _getComputedStyle.overflow, - overflowX = _getComputedStyle.overflowX, - overflowY = _getComputedStyle.overflowY; - - return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX); -} - -function isElementScaled(element) { - var rect = element.getBoundingClientRect(); - var scaleX = round(rect.width) / element.offsetWidth || 1; - var scaleY = round(rect.height) / element.offsetHeight || 1; - return scaleX !== 1 || scaleY !== 1; -} // Returns the composite rect of an element relative to its offsetParent. -// Composite means it takes into account transforms as well as layout. - - -function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) { - if (isFixed === void 0) { - isFixed = false; - } - - var isOffsetParentAnElement = isHTMLElement(offsetParent); - var offsetParentIsScaled = isHTMLElement(offsetParent) && isElementScaled(offsetParent); - var documentElement = getDocumentElement(offsetParent); - var rect = getBoundingClientRect(elementOrVirtualElement, offsetParentIsScaled, isFixed); - var scroll = { - scrollLeft: 0, - scrollTop: 0 - }; - var offsets = { - x: 0, - y: 0 - }; - - if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) { - if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078 - isScrollParent(documentElement)) { - scroll = getNodeScroll(offsetParent); - } - - if (isHTMLElement(offsetParent)) { - offsets = getBoundingClientRect(offsetParent, true); - offsets.x += offsetParent.clientLeft; - offsets.y += offsetParent.clientTop; - } else if (documentElement) { - offsets.x = getWindowScrollBarX(documentElement); - } - } - - return { - x: rect.left + scroll.scrollLeft - offsets.x, - y: rect.top + scroll.scrollTop - offsets.y, - width: rect.width, - height: rect.height - }; -} - -// means it doesn't take into account transforms. - -function getLayoutRect(element) { - var clientRect = getBoundingClientRect(element); // Use the clientRect sizes if it's not been transformed. - // Fixes https://github.com/popperjs/popper-core/issues/1223 - - var width = element.offsetWidth; - var height = element.offsetHeight; - - if (Math.abs(clientRect.width - width) <= 1) { - width = clientRect.width; - } - - if (Math.abs(clientRect.height - height) <= 1) { - height = clientRect.height; - } - - return { - x: element.offsetLeft, - y: element.offsetTop, - width: width, - height: height - }; -} - -function getParentNode(element) { - if (getNodeName(element) === 'html') { - return element; - } - - return (// this is a quicker (but less type safe) way to save quite some bytes from the bundle - // $FlowFixMe[incompatible-return] - // $FlowFixMe[prop-missing] - element.assignedSlot || // step into the shadow DOM of the parent of a slotted node - element.parentNode || ( // DOM Element detected - isShadowRoot(element) ? element.host : null) || // ShadowRoot detected - // $FlowFixMe[incompatible-call]: HTMLElement is a Node - getDocumentElement(element) // fallback - - ); -} - -function getScrollParent(node) { - if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) { - // $FlowFixMe[incompatible-return]: assume body is always available - return node.ownerDocument.body; - } - - if (isHTMLElement(node) && isScrollParent(node)) { - return node; - } - - return getScrollParent(getParentNode(node)); -} - -/* -given a DOM element, return the list of all scroll parents, up the list of ancesors -until we get to the top window object. This list is what we attach scroll listeners -to, because if any of these parent elements scroll, we'll need to re-calculate the -reference element's position. -*/ - -function listScrollParents(element, list) { - var _element$ownerDocumen; - - if (list === void 0) { - list = []; - } - - var scrollParent = getScrollParent(element); - var isBody = scrollParent === ((_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body); - var win = getWindow(scrollParent); - var target = isBody ? [win].concat(win.visualViewport || [], isScrollParent(scrollParent) ? scrollParent : []) : scrollParent; - var updatedList = list.concat(target); - return isBody ? updatedList : // $FlowFixMe[incompatible-call]: isBody tells us target will be an HTMLElement here - updatedList.concat(listScrollParents(getParentNode(target))); -} - -function isTableElement(element) { - return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0; -} - -function getTrueOffsetParent(element) { - if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837 - getComputedStyle(element).position === 'fixed') { - return null; - } - - return element.offsetParent; -} // `.offsetParent` reports `null` for fixed elements, while absolute elements -// return the containing block - - -function getContainingBlock(element) { - var isFirefox = /firefox/i.test(getUAString()); - var isIE = /Trident/i.test(getUAString()); - - if (isIE && isHTMLElement(element)) { - // In IE 9, 10 and 11 fixed elements containing block is always established by the viewport - var elementCss = getComputedStyle(element); - - if (elementCss.position === 'fixed') { - return null; - } - } - - var currentNode = getParentNode(element); - - if (isShadowRoot(currentNode)) { - currentNode = currentNode.host; - } - - while (isHTMLElement(currentNode) && ['html', 'body'].indexOf(getNodeName(currentNode)) < 0) { - var css = getComputedStyle(currentNode); // This is non-exhaustive but covers the most common CSS properties that - // create a containing block. - // https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block - - if (css.transform !== 'none' || css.perspective !== 'none' || css.contain === 'paint' || ['transform', 'perspective'].indexOf(css.willChange) !== -1 || isFirefox && css.willChange === 'filter' || isFirefox && css.filter && css.filter !== 'none') { - return currentNode; - } else { - currentNode = currentNode.parentNode; - } - } - - return null; -} // Gets the closest ancestor positioned element. Handles some edge cases, -// such as table ancestors and cross browser bugs. - - -function getOffsetParent(element) { - var window = getWindow(element); - var offsetParent = getTrueOffsetParent(element); - - while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') { - offsetParent = getTrueOffsetParent(offsetParent); - } - - if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static')) { - return window; - } - - return offsetParent || getContainingBlock(element) || window; -} - -var top = 'top'; -var bottom = 'bottom'; -var right = 'right'; -var left = 'left'; -var auto = 'auto'; -var basePlacements = [top, bottom, right, left]; -var start = 'start'; -var end = 'end'; -var clippingParents = 'clippingParents'; -var viewport = 'viewport'; -var popper = 'popper'; -var reference = 'reference'; -var variationPlacements = /*#__PURE__*/basePlacements.reduce(function (acc, placement) { - return acc.concat([placement + "-" + start, placement + "-" + end]); -}, []); -var placements = /*#__PURE__*/[].concat(basePlacements, [auto]).reduce(function (acc, placement) { - return acc.concat([placement, placement + "-" + start, placement + "-" + end]); -}, []); // modifiers that need to read the DOM - -var beforeRead = 'beforeRead'; -var read = 'read'; -var afterRead = 'afterRead'; // pure-logic modifiers - -var beforeMain = 'beforeMain'; -var main = 'main'; -var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state) - -var beforeWrite = 'beforeWrite'; -var write = 'write'; -var afterWrite = 'afterWrite'; -var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite]; - -function order(modifiers) { - var map = new Map(); - var visited = new Set(); - var result = []; - modifiers.forEach(function (modifier) { - map.set(modifier.name, modifier); - }); // On visiting object, check for its dependencies and visit them recursively - - function sort(modifier) { - visited.add(modifier.name); - var requires = [].concat(modifier.requires || [], modifier.requiresIfExists || []); - requires.forEach(function (dep) { - if (!visited.has(dep)) { - var depModifier = map.get(dep); - - if (depModifier) { - sort(depModifier); - } - } - }); - result.push(modifier); - } - - modifiers.forEach(function (modifier) { - if (!visited.has(modifier.name)) { - // check for visited object - sort(modifier); - } - }); - return result; -} - -function orderModifiers(modifiers) { - // order based on dependencies - var orderedModifiers = order(modifiers); // order based on phase - - return modifierPhases.reduce(function (acc, phase) { - return acc.concat(orderedModifiers.filter(function (modifier) { - return modifier.phase === phase; - })); - }, []); -} - -function debounce(fn) { - var pending; - return function () { - if (!pending) { - pending = new Promise(function (resolve) { - Promise.resolve().then(function () { - pending = undefined; - resolve(fn()); - }); - }); - } - - return pending; - }; -} - -function mergeByName(modifiers) { - var merged = modifiers.reduce(function (merged, current) { - var existing = merged[current.name]; - merged[current.name] = existing ? Object.assign({}, existing, current, { - options: Object.assign({}, existing.options, current.options), - data: Object.assign({}, existing.data, current.data) - }) : current; - return merged; - }, {}); // IE11 does not support Object.values - - return Object.keys(merged).map(function (key) { - return merged[key]; - }); -} - -function getViewportRect(element, strategy) { - var win = getWindow(element); - var html = getDocumentElement(element); - var visualViewport = win.visualViewport; - var width = html.clientWidth; - var height = html.clientHeight; - var x = 0; - var y = 0; - - if (visualViewport) { - width = visualViewport.width; - height = visualViewport.height; - var layoutViewport = isLayoutViewport(); - - if (layoutViewport || !layoutViewport && strategy === 'fixed') { - x = visualViewport.offsetLeft; - y = visualViewport.offsetTop; - } - } - - return { - width: width, - height: height, - x: x + getWindowScrollBarX(element), - y: y - }; -} - -// of the `` and `` rect bounds if horizontally scrollable - -function getDocumentRect(element) { - var _element$ownerDocumen; - - var html = getDocumentElement(element); - var winScroll = getWindowScroll(element); - var body = (_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body; - var width = max(html.scrollWidth, html.clientWidth, body ? body.scrollWidth : 0, body ? body.clientWidth : 0); - var height = max(html.scrollHeight, html.clientHeight, body ? body.scrollHeight : 0, body ? body.clientHeight : 0); - var x = -winScroll.scrollLeft + getWindowScrollBarX(element); - var y = -winScroll.scrollTop; - - if (getComputedStyle(body || html).direction === 'rtl') { - x += max(html.clientWidth, body ? body.clientWidth : 0) - width; - } - - return { - width: width, - height: height, - x: x, - y: y - }; -} - -function contains(parent, child) { - var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method - - if (parent.contains(child)) { - return true; - } // then fallback to custom implementation with Shadow DOM support - else if (rootNode && isShadowRoot(rootNode)) { - var next = child; - - do { - if (next && parent.isSameNode(next)) { - return true; - } // $FlowFixMe[prop-missing]: need a better way to handle this... - - - next = next.parentNode || next.host; - } while (next); - } // Give up, the result is false - - - return false; -} - -function rectToClientRect(rect) { - return Object.assign({}, rect, { - left: rect.x, - top: rect.y, - right: rect.x + rect.width, - bottom: rect.y + rect.height - }); -} - -function getInnerBoundingClientRect(element, strategy) { - var rect = getBoundingClientRect(element, false, strategy === 'fixed'); - rect.top = rect.top + element.clientTop; - rect.left = rect.left + element.clientLeft; - rect.bottom = rect.top + element.clientHeight; - rect.right = rect.left + element.clientWidth; - rect.width = element.clientWidth; - rect.height = element.clientHeight; - rect.x = rect.left; - rect.y = rect.top; - return rect; -} - -function getClientRectFromMixedType(element, clippingParent, strategy) { - return clippingParent === viewport ? rectToClientRect(getViewportRect(element, strategy)) : isElement(clippingParent) ? getInnerBoundingClientRect(clippingParent, strategy) : rectToClientRect(getDocumentRect(getDocumentElement(element))); -} // A "clipping parent" is an overflowable container with the characteristic of -// clipping (or hiding) overflowing elements with a position different from -// `initial` - - -function getClippingParents(element) { - var clippingParents = listScrollParents(getParentNode(element)); - var canEscapeClipping = ['absolute', 'fixed'].indexOf(getComputedStyle(element).position) >= 0; - var clipperElement = canEscapeClipping && isHTMLElement(element) ? getOffsetParent(element) : element; - - if (!isElement(clipperElement)) { - return []; - } // $FlowFixMe[incompatible-return]: https://github.com/facebook/flow/issues/1414 - - - return clippingParents.filter(function (clippingParent) { - return isElement(clippingParent) && contains(clippingParent, clipperElement) && getNodeName(clippingParent) !== 'body'; - }); -} // Gets the maximum area that the element is visible in due to any number of -// clipping parents - - -function getClippingRect(element, boundary, rootBoundary, strategy) { - var mainClippingParents = boundary === 'clippingParents' ? getClippingParents(element) : [].concat(boundary); - var clippingParents = [].concat(mainClippingParents, [rootBoundary]); - var firstClippingParent = clippingParents[0]; - var clippingRect = clippingParents.reduce(function (accRect, clippingParent) { - var rect = getClientRectFromMixedType(element, clippingParent, strategy); - accRect.top = max(rect.top, accRect.top); - accRect.right = min(rect.right, accRect.right); - accRect.bottom = min(rect.bottom, accRect.bottom); - accRect.left = max(rect.left, accRect.left); - return accRect; - }, getClientRectFromMixedType(element, firstClippingParent, strategy)); - clippingRect.width = clippingRect.right - clippingRect.left; - clippingRect.height = clippingRect.bottom - clippingRect.top; - clippingRect.x = clippingRect.left; - clippingRect.y = clippingRect.top; - return clippingRect; -} - -function getBasePlacement(placement) { - return placement.split('-')[0]; -} - -function getVariation(placement) { - return placement.split('-')[1]; -} - -function getMainAxisFromPlacement(placement) { - return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y'; -} - -function computeOffsets(_ref) { - var reference = _ref.reference, - element = _ref.element, - placement = _ref.placement; - var basePlacement = placement ? getBasePlacement(placement) : null; - var variation = placement ? getVariation(placement) : null; - var commonX = reference.x + reference.width / 2 - element.width / 2; - var commonY = reference.y + reference.height / 2 - element.height / 2; - var offsets; - - switch (basePlacement) { - case top: - offsets = { - x: commonX, - y: reference.y - element.height - }; - break; - - case bottom: - offsets = { - x: commonX, - y: reference.y + reference.height - }; - break; - - case right: - offsets = { - x: reference.x + reference.width, - y: commonY - }; - break; - - case left: - offsets = { - x: reference.x - element.width, - y: commonY - }; - break; - - default: - offsets = { - x: reference.x, - y: reference.y - }; - } - - var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null; - - if (mainAxis != null) { - var len = mainAxis === 'y' ? 'height' : 'width'; - - switch (variation) { - case start: - offsets[mainAxis] = offsets[mainAxis] - (reference[len] / 2 - element[len] / 2); - break; - - case end: - offsets[mainAxis] = offsets[mainAxis] + (reference[len] / 2 - element[len] / 2); - break; - } - } - - return offsets; -} - -function getFreshSideObject() { - return { - top: 0, - right: 0, - bottom: 0, - left: 0 - }; -} - -function mergePaddingObject(paddingObject) { - return Object.assign({}, getFreshSideObject(), paddingObject); -} - -function expandToHashMap(value, keys) { - return keys.reduce(function (hashMap, key) { - hashMap[key] = value; - return hashMap; - }, {}); -} - -function detectOverflow(state, options) { - if (options === void 0) { - options = {}; - } - - var _options = options, - _options$placement = _options.placement, - placement = _options$placement === void 0 ? state.placement : _options$placement, - _options$strategy = _options.strategy, - strategy = _options$strategy === void 0 ? state.strategy : _options$strategy, - _options$boundary = _options.boundary, - boundary = _options$boundary === void 0 ? clippingParents : _options$boundary, - _options$rootBoundary = _options.rootBoundary, - rootBoundary = _options$rootBoundary === void 0 ? viewport : _options$rootBoundary, - _options$elementConte = _options.elementContext, - elementContext = _options$elementConte === void 0 ? popper : _options$elementConte, - _options$altBoundary = _options.altBoundary, - altBoundary = _options$altBoundary === void 0 ? false : _options$altBoundary, - _options$padding = _options.padding, - padding = _options$padding === void 0 ? 0 : _options$padding; - var paddingObject = mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements)); - var altContext = elementContext === popper ? reference : popper; - var popperRect = state.rects.popper; - var element = state.elements[altBoundary ? altContext : elementContext]; - var clippingClientRect = getClippingRect(isElement(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary, strategy); - var referenceClientRect = getBoundingClientRect(state.elements.reference); - var popperOffsets = computeOffsets({ - reference: referenceClientRect, - element: popperRect, - strategy: 'absolute', - placement: placement - }); - var popperClientRect = rectToClientRect(Object.assign({}, popperRect, popperOffsets)); - var elementClientRect = elementContext === popper ? popperClientRect : referenceClientRect; // positive = overflowing the clipping rect - // 0 or negative = within the clipping rect - - var overflowOffsets = { - top: clippingClientRect.top - elementClientRect.top + paddingObject.top, - bottom: elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom, - left: clippingClientRect.left - elementClientRect.left + paddingObject.left, - right: elementClientRect.right - clippingClientRect.right + paddingObject.right - }; - var offsetData = state.modifiersData.offset; // Offsets can be applied only to the popper element - - if (elementContext === popper && offsetData) { - var offset = offsetData[placement]; - Object.keys(overflowOffsets).forEach(function (key) { - var multiply = [right, bottom].indexOf(key) >= 0 ? 1 : -1; - var axis = [top, bottom].indexOf(key) >= 0 ? 'y' : 'x'; - overflowOffsets[key] += offset[axis] * multiply; - }); - } - - return overflowOffsets; -} - -var DEFAULT_OPTIONS = { - placement: 'bottom', - modifiers: [], - strategy: 'absolute' -}; - -function areValidElements() { - for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { - args[_key] = arguments[_key]; - } - - return !args.some(function (element) { - return !(element && typeof element.getBoundingClientRect === 'function'); - }); -} - -function popperGenerator(generatorOptions) { - if (generatorOptions === void 0) { - generatorOptions = {}; - } - - var _generatorOptions = generatorOptions, - _generatorOptions$def = _generatorOptions.defaultModifiers, - defaultModifiers = _generatorOptions$def === void 0 ? [] : _generatorOptions$def, - _generatorOptions$def2 = _generatorOptions.defaultOptions, - defaultOptions = _generatorOptions$def2 === void 0 ? DEFAULT_OPTIONS : _generatorOptions$def2; - return function createPopper(reference, popper, options) { - if (options === void 0) { - options = defaultOptions; - } - - var state = { - placement: 'bottom', - orderedModifiers: [], - options: Object.assign({}, DEFAULT_OPTIONS, defaultOptions), - modifiersData: {}, - elements: { - reference: reference, - popper: popper - }, - attributes: {}, - styles: {} - }; - var effectCleanupFns = []; - var isDestroyed = false; - var instance = { - state: state, - setOptions: function setOptions(setOptionsAction) { - var options = typeof setOptionsAction === 'function' ? setOptionsAction(state.options) : setOptionsAction; - cleanupModifierEffects(); - state.options = Object.assign({}, defaultOptions, state.options, options); - state.scrollParents = { - reference: isElement(reference) ? listScrollParents(reference) : reference.contextElement ? listScrollParents(reference.contextElement) : [], - popper: listScrollParents(popper) - }; // Orders the modifiers based on their dependencies and `phase` - // properties - - var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers - - state.orderedModifiers = orderedModifiers.filter(function (m) { - return m.enabled; - }); - runModifierEffects(); - return instance.update(); - }, - // Sync update – it will always be executed, even if not necessary. This - // is useful for low frequency updates where sync behavior simplifies the - // logic. - // For high frequency updates (e.g. `resize` and `scroll` events), always - // prefer the async Popper#update method - forceUpdate: function forceUpdate() { - if (isDestroyed) { - return; - } - - var _state$elements = state.elements, - reference = _state$elements.reference, - popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements - // anymore - - if (!areValidElements(reference, popper)) { - return; - } // Store the reference and popper rects to be read by modifiers - - - state.rects = { - reference: getCompositeRect(reference, getOffsetParent(popper), state.options.strategy === 'fixed'), - popper: getLayoutRect(popper) - }; // Modifiers have the ability to reset the current update cycle. The - // most common use case for this is the `flip` modifier changing the - // placement, which then needs to re-run all the modifiers, because the - // logic was previously ran for the previous placement and is therefore - // stale/incorrect - - state.reset = false; - state.placement = state.options.placement; // On each update cycle, the `modifiersData` property for each modifier - // is filled with the initial data specified by the modifier. This means - // it doesn't persist and is fresh on each update. - // To ensure persistent data, use `${name}#persistent` - - state.orderedModifiers.forEach(function (modifier) { - return state.modifiersData[modifier.name] = Object.assign({}, modifier.data); - }); - - for (var index = 0; index < state.orderedModifiers.length; index++) { - if (state.reset === true) { - state.reset = false; - index = -1; - continue; - } - - var _state$orderedModifie = state.orderedModifiers[index], - fn = _state$orderedModifie.fn, - _state$orderedModifie2 = _state$orderedModifie.options, - _options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2, - name = _state$orderedModifie.name; - - if (typeof fn === 'function') { - state = fn({ - state: state, - options: _options, - name: name, - instance: instance - }) || state; - } - } - }, - // Async and optimistically optimized update – it will not be executed if - // not necessary (debounced to run at most once-per-tick) - update: debounce(function () { - return new Promise(function (resolve) { - instance.forceUpdate(); - resolve(state); - }); - }), - destroy: function destroy() { - cleanupModifierEffects(); - isDestroyed = true; - } - }; - - if (!areValidElements(reference, popper)) { - return instance; - } - - instance.setOptions(options).then(function (state) { - if (!isDestroyed && options.onFirstUpdate) { - options.onFirstUpdate(state); - } - }); // Modifiers have the ability to execute arbitrary code before the first - // update cycle runs. They will be executed in the same order as the update - // cycle. This is useful when a modifier adds some persistent data that - // other modifiers need to use, but the modifier is run after the dependent - // one. - - function runModifierEffects() { - state.orderedModifiers.forEach(function (_ref) { - var name = _ref.name, - _ref$options = _ref.options, - options = _ref$options === void 0 ? {} : _ref$options, - effect = _ref.effect; - - if (typeof effect === 'function') { - var cleanupFn = effect({ - state: state, - name: name, - instance: instance, - options: options - }); - - var noopFn = function noopFn() {}; - - effectCleanupFns.push(cleanupFn || noopFn); - } - }); - } - - function cleanupModifierEffects() { - effectCleanupFns.forEach(function (fn) { - return fn(); - }); - effectCleanupFns = []; - } - - return instance; - }; -} - -var passive = { - passive: true -}; - -function effect$2(_ref) { - var state = _ref.state, - instance = _ref.instance, - options = _ref.options; - var _options$scroll = options.scroll, - scroll = _options$scroll === void 0 ? true : _options$scroll, - _options$resize = options.resize, - resize = _options$resize === void 0 ? true : _options$resize; - var window = getWindow(state.elements.popper); - var scrollParents = [].concat(state.scrollParents.reference, state.scrollParents.popper); - - if (scroll) { - scrollParents.forEach(function (scrollParent) { - scrollParent.addEventListener('scroll', instance.update, passive); - }); - } - - if (resize) { - window.addEventListener('resize', instance.update, passive); - } - - return function () { - if (scroll) { - scrollParents.forEach(function (scrollParent) { - scrollParent.removeEventListener('scroll', instance.update, passive); - }); - } - - if (resize) { - window.removeEventListener('resize', instance.update, passive); - } - }; -} // eslint-disable-next-line import/no-unused-modules - - -var eventListeners = { - name: 'eventListeners', - enabled: true, - phase: 'write', - fn: function fn() {}, - effect: effect$2, - data: {} -}; - -function popperOffsets(_ref) { - var state = _ref.state, - name = _ref.name; - // Offsets are the actual position the popper needs to have to be - // properly positioned near its reference element - // This is the most basic placement, and will be adjusted by - // the modifiers in the next step - state.modifiersData[name] = computeOffsets({ - reference: state.rects.reference, - element: state.rects.popper, - strategy: 'absolute', - placement: state.placement - }); -} // eslint-disable-next-line import/no-unused-modules - - -var popperOffsets$1 = { - name: 'popperOffsets', - enabled: true, - phase: 'read', - fn: popperOffsets, - data: {} -}; - -var unsetSides = { - top: 'auto', - right: 'auto', - bottom: 'auto', - left: 'auto' -}; // Round the offsets to the nearest suitable subpixel based on the DPR. -// Zooming can change the DPR, but it seems to report a value that will -// cleanly divide the values into the appropriate subpixels. - -function roundOffsetsByDPR(_ref, win) { - var x = _ref.x, - y = _ref.y; - var dpr = win.devicePixelRatio || 1; - return { - x: round(x * dpr) / dpr || 0, - y: round(y * dpr) / dpr || 0 - }; -} - -function mapToStyles(_ref2) { - var _Object$assign2; - - var popper = _ref2.popper, - popperRect = _ref2.popperRect, - placement = _ref2.placement, - variation = _ref2.variation, - offsets = _ref2.offsets, - position = _ref2.position, - gpuAcceleration = _ref2.gpuAcceleration, - adaptive = _ref2.adaptive, - roundOffsets = _ref2.roundOffsets, - isFixed = _ref2.isFixed; - var _offsets$x = offsets.x, - x = _offsets$x === void 0 ? 0 : _offsets$x, - _offsets$y = offsets.y, - y = _offsets$y === void 0 ? 0 : _offsets$y; - - var _ref3 = typeof roundOffsets === 'function' ? roundOffsets({ - x: x, - y: y - }) : { - x: x, - y: y - }; - - x = _ref3.x; - y = _ref3.y; - var hasX = offsets.hasOwnProperty('x'); - var hasY = offsets.hasOwnProperty('y'); - var sideX = left; - var sideY = top; - var win = window; - - if (adaptive) { - var offsetParent = getOffsetParent(popper); - var heightProp = 'clientHeight'; - var widthProp = 'clientWidth'; - - if (offsetParent === getWindow(popper)) { - offsetParent = getDocumentElement(popper); - - if (getComputedStyle(offsetParent).position !== 'static' && position === 'absolute') { - heightProp = 'scrollHeight'; - widthProp = 'scrollWidth'; - } - } // $FlowFixMe[incompatible-cast]: force type refinement, we compare offsetParent with window above, but Flow doesn't detect it - - - offsetParent = offsetParent; - - if (placement === top || (placement === left || placement === right) && variation === end) { - sideY = bottom; - var offsetY = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.height : // $FlowFixMe[prop-missing] - offsetParent[heightProp]; - y -= offsetY - popperRect.height; - y *= gpuAcceleration ? 1 : -1; - } - - if (placement === left || (placement === top || placement === bottom) && variation === end) { - sideX = right; - var offsetX = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.width : // $FlowFixMe[prop-missing] - offsetParent[widthProp]; - x -= offsetX - popperRect.width; - x *= gpuAcceleration ? 1 : -1; - } - } - - var commonStyles = Object.assign({ - position: position - }, adaptive && unsetSides); - - var _ref4 = roundOffsets === true ? roundOffsetsByDPR({ - x: x, - y: y - }, getWindow(popper)) : { - x: x, - y: y - }; - - x = _ref4.x; - y = _ref4.y; - - if (gpuAcceleration) { - var _Object$assign; - - return Object.assign({}, commonStyles, (_Object$assign = {}, _Object$assign[sideY] = hasY ? '0' : '', _Object$assign[sideX] = hasX ? '0' : '', _Object$assign.transform = (win.devicePixelRatio || 1) <= 1 ? "translate(" + x + "px, " + y + "px)" : "translate3d(" + x + "px, " + y + "px, 0)", _Object$assign)); - } - - return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2)); -} - -function computeStyles(_ref5) { - var state = _ref5.state, - options = _ref5.options; - var _options$gpuAccelerat = options.gpuAcceleration, - gpuAcceleration = _options$gpuAccelerat === void 0 ? true : _options$gpuAccelerat, - _options$adaptive = options.adaptive, - adaptive = _options$adaptive === void 0 ? true : _options$adaptive, - _options$roundOffsets = options.roundOffsets, - roundOffsets = _options$roundOffsets === void 0 ? true : _options$roundOffsets; - var commonStyles = { - placement: getBasePlacement(state.placement), - variation: getVariation(state.placement), - popper: state.elements.popper, - popperRect: state.rects.popper, - gpuAcceleration: gpuAcceleration, - isFixed: state.options.strategy === 'fixed' - }; - - if (state.modifiersData.popperOffsets != null) { - state.styles.popper = Object.assign({}, state.styles.popper, mapToStyles(Object.assign({}, commonStyles, { - offsets: state.modifiersData.popperOffsets, - position: state.options.strategy, - adaptive: adaptive, - roundOffsets: roundOffsets - }))); - } - - if (state.modifiersData.arrow != null) { - state.styles.arrow = Object.assign({}, state.styles.arrow, mapToStyles(Object.assign({}, commonStyles, { - offsets: state.modifiersData.arrow, - position: 'absolute', - adaptive: false, - roundOffsets: roundOffsets - }))); - } - - state.attributes.popper = Object.assign({}, state.attributes.popper, { - 'data-popper-placement': state.placement - }); -} // eslint-disable-next-line import/no-unused-modules - - -var computeStyles$1 = { - name: 'computeStyles', - enabled: true, - phase: 'beforeWrite', - fn: computeStyles, - data: {} -}; - -// and applies them to the HTMLElements such as popper and arrow - -function applyStyles(_ref) { - var state = _ref.state; - Object.keys(state.elements).forEach(function (name) { - var style = state.styles[name] || {}; - var attributes = state.attributes[name] || {}; - var element = state.elements[name]; // arrow is optional + virtual elements - - if (!isHTMLElement(element) || !getNodeName(element)) { - return; - } // Flow doesn't support to extend this property, but it's the most - // effective way to apply styles to an HTMLElement - // $FlowFixMe[cannot-write] - - - Object.assign(element.style, style); - Object.keys(attributes).forEach(function (name) { - var value = attributes[name]; - - if (value === false) { - element.removeAttribute(name); - } else { - element.setAttribute(name, value === true ? '' : value); - } - }); - }); -} - -function effect$1(_ref2) { - var state = _ref2.state; - var initialStyles = { - popper: { - position: state.options.strategy, - left: '0', - top: '0', - margin: '0' - }, - arrow: { - position: 'absolute' - }, - reference: {} - }; - Object.assign(state.elements.popper.style, initialStyles.popper); - state.styles = initialStyles; - - if (state.elements.arrow) { - Object.assign(state.elements.arrow.style, initialStyles.arrow); - } - - return function () { - Object.keys(state.elements).forEach(function (name) { - var element = state.elements[name]; - var attributes = state.attributes[name] || {}; - var styleProperties = Object.keys(state.styles.hasOwnProperty(name) ? state.styles[name] : initialStyles[name]); // Set all values to an empty string to unset them - - var style = styleProperties.reduce(function (style, property) { - style[property] = ''; - return style; - }, {}); // arrow is optional + virtual elements - - if (!isHTMLElement(element) || !getNodeName(element)) { - return; - } - - Object.assign(element.style, style); - Object.keys(attributes).forEach(function (attribute) { - element.removeAttribute(attribute); - }); - }); - }; -} // eslint-disable-next-line import/no-unused-modules - - -var applyStyles$1 = { - name: 'applyStyles', - enabled: true, - phase: 'write', - fn: applyStyles, - effect: effect$1, - requires: ['computeStyles'] -}; - -function distanceAndSkiddingToXY(placement, rects, offset) { - var basePlacement = getBasePlacement(placement); - var invertDistance = [left, top].indexOf(basePlacement) >= 0 ? -1 : 1; - - var _ref = typeof offset === 'function' ? offset(Object.assign({}, rects, { - placement: placement - })) : offset, - skidding = _ref[0], - distance = _ref[1]; - - skidding = skidding || 0; - distance = (distance || 0) * invertDistance; - return [left, right].indexOf(basePlacement) >= 0 ? { - x: distance, - y: skidding - } : { - x: skidding, - y: distance - }; -} - -function offset(_ref2) { - var state = _ref2.state, - options = _ref2.options, - name = _ref2.name; - var _options$offset = options.offset, - offset = _options$offset === void 0 ? [0, 0] : _options$offset; - var data = placements.reduce(function (acc, placement) { - acc[placement] = distanceAndSkiddingToXY(placement, state.rects, offset); - return acc; - }, {}); - var _data$state$placement = data[state.placement], - x = _data$state$placement.x, - y = _data$state$placement.y; - - if (state.modifiersData.popperOffsets != null) { - state.modifiersData.popperOffsets.x += x; - state.modifiersData.popperOffsets.y += y; - } - - state.modifiersData[name] = data; -} // eslint-disable-next-line import/no-unused-modules - - -var offset$1 = { - name: 'offset', - enabled: true, - phase: 'main', - requires: ['popperOffsets'], - fn: offset -}; - -var hash$1 = { - left: 'right', - right: 'left', - bottom: 'top', - top: 'bottom' -}; -function getOppositePlacement(placement) { - return placement.replace(/left|right|bottom|top/g, function (matched) { - return hash$1[matched]; - }); -} - -var hash = { - start: 'end', - end: 'start' -}; -function getOppositeVariationPlacement(placement) { - return placement.replace(/start|end/g, function (matched) { - return hash[matched]; - }); -} - -function computeAutoPlacement(state, options) { - if (options === void 0) { - options = {}; - } - - var _options = options, - placement = _options.placement, - boundary = _options.boundary, - rootBoundary = _options.rootBoundary, - padding = _options.padding, - flipVariations = _options.flipVariations, - _options$allowedAutoP = _options.allowedAutoPlacements, - allowedAutoPlacements = _options$allowedAutoP === void 0 ? placements : _options$allowedAutoP; - var variation = getVariation(placement); - var placements$1 = variation ? flipVariations ? variationPlacements : variationPlacements.filter(function (placement) { - return getVariation(placement) === variation; - }) : basePlacements; - var allowedPlacements = placements$1.filter(function (placement) { - return allowedAutoPlacements.indexOf(placement) >= 0; - }); - - if (allowedPlacements.length === 0) { - allowedPlacements = placements$1; - } // $FlowFixMe[incompatible-type]: Flow seems to have problems with two array unions... - - - var overflows = allowedPlacements.reduce(function (acc, placement) { - acc[placement] = detectOverflow(state, { - placement: placement, - boundary: boundary, - rootBoundary: rootBoundary, - padding: padding - })[getBasePlacement(placement)]; - return acc; - }, {}); - return Object.keys(overflows).sort(function (a, b) { - return overflows[a] - overflows[b]; - }); -} - -function getExpandedFallbackPlacements(placement) { - if (getBasePlacement(placement) === auto) { - return []; - } - - var oppositePlacement = getOppositePlacement(placement); - return [getOppositeVariationPlacement(placement), oppositePlacement, getOppositeVariationPlacement(oppositePlacement)]; -} - -function flip(_ref) { - var state = _ref.state, - options = _ref.options, - name = _ref.name; - - if (state.modifiersData[name]._skip) { - return; - } - - var _options$mainAxis = options.mainAxis, - checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis, - _options$altAxis = options.altAxis, - checkAltAxis = _options$altAxis === void 0 ? true : _options$altAxis, - specifiedFallbackPlacements = options.fallbackPlacements, - padding = options.padding, - boundary = options.boundary, - rootBoundary = options.rootBoundary, - altBoundary = options.altBoundary, - _options$flipVariatio = options.flipVariations, - flipVariations = _options$flipVariatio === void 0 ? true : _options$flipVariatio, - allowedAutoPlacements = options.allowedAutoPlacements; - var preferredPlacement = state.options.placement; - var basePlacement = getBasePlacement(preferredPlacement); - var isBasePlacement = basePlacement === preferredPlacement; - var fallbackPlacements = specifiedFallbackPlacements || (isBasePlacement || !flipVariations ? [getOppositePlacement(preferredPlacement)] : getExpandedFallbackPlacements(preferredPlacement)); - var placements = [preferredPlacement].concat(fallbackPlacements).reduce(function (acc, placement) { - return acc.concat(getBasePlacement(placement) === auto ? computeAutoPlacement(state, { - placement: placement, - boundary: boundary, - rootBoundary: rootBoundary, - padding: padding, - flipVariations: flipVariations, - allowedAutoPlacements: allowedAutoPlacements - }) : placement); - }, []); - var referenceRect = state.rects.reference; - var popperRect = state.rects.popper; - var checksMap = new Map(); - var makeFallbackChecks = true; - var firstFittingPlacement = placements[0]; - - for (var i = 0; i < placements.length; i++) { - var placement = placements[i]; - - var _basePlacement = getBasePlacement(placement); - - var isStartVariation = getVariation(placement) === start; - var isVertical = [top, bottom].indexOf(_basePlacement) >= 0; - var len = isVertical ? 'width' : 'height'; - var overflow = detectOverflow(state, { - placement: placement, - boundary: boundary, - rootBoundary: rootBoundary, - altBoundary: altBoundary, - padding: padding - }); - var mainVariationSide = isVertical ? isStartVariation ? right : left : isStartVariation ? bottom : top; - - if (referenceRect[len] > popperRect[len]) { - mainVariationSide = getOppositePlacement(mainVariationSide); - } - - var altVariationSide = getOppositePlacement(mainVariationSide); - var checks = []; - - if (checkMainAxis) { - checks.push(overflow[_basePlacement] <= 0); - } - - if (checkAltAxis) { - checks.push(overflow[mainVariationSide] <= 0, overflow[altVariationSide] <= 0); - } - - if (checks.every(function (check) { - return check; - })) { - firstFittingPlacement = placement; - makeFallbackChecks = false; - break; - } - - checksMap.set(placement, checks); - } - - if (makeFallbackChecks) { - // `2` may be desired in some cases – research later - var numberOfChecks = flipVariations ? 3 : 1; - - var _loop = function _loop(_i) { - var fittingPlacement = placements.find(function (placement) { - var checks = checksMap.get(placement); - - if (checks) { - return checks.slice(0, _i).every(function (check) { - return check; - }); - } - }); - - if (fittingPlacement) { - firstFittingPlacement = fittingPlacement; - return "break"; - } - }; - - for (var _i = numberOfChecks; _i > 0; _i--) { - var _ret = _loop(_i); - - if (_ret === "break") break; - } - } - - if (state.placement !== firstFittingPlacement) { - state.modifiersData[name]._skip = true; - state.placement = firstFittingPlacement; - state.reset = true; - } -} // eslint-disable-next-line import/no-unused-modules - - -var flip$1 = { - name: 'flip', - enabled: true, - phase: 'main', - fn: flip, - requiresIfExists: ['offset'], - data: { - _skip: false - } -}; - -function getAltAxis(axis) { - return axis === 'x' ? 'y' : 'x'; -} - -function within(min$1, value, max$1) { - return max(min$1, min(value, max$1)); -} -function withinMaxClamp(min, value, max) { - var v = within(min, value, max); - return v > max ? max : v; -} - -function preventOverflow(_ref) { - var state = _ref.state, - options = _ref.options, - name = _ref.name; - var _options$mainAxis = options.mainAxis, - checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis, - _options$altAxis = options.altAxis, - checkAltAxis = _options$altAxis === void 0 ? false : _options$altAxis, - boundary = options.boundary, - rootBoundary = options.rootBoundary, - altBoundary = options.altBoundary, - padding = options.padding, - _options$tether = options.tether, - tether = _options$tether === void 0 ? true : _options$tether, - _options$tetherOffset = options.tetherOffset, - tetherOffset = _options$tetherOffset === void 0 ? 0 : _options$tetherOffset; - var overflow = detectOverflow(state, { - boundary: boundary, - rootBoundary: rootBoundary, - padding: padding, - altBoundary: altBoundary - }); - var basePlacement = getBasePlacement(state.placement); - var variation = getVariation(state.placement); - var isBasePlacement = !variation; - var mainAxis = getMainAxisFromPlacement(basePlacement); - var altAxis = getAltAxis(mainAxis); - var popperOffsets = state.modifiersData.popperOffsets; - var referenceRect = state.rects.reference; - var popperRect = state.rects.popper; - var tetherOffsetValue = typeof tetherOffset === 'function' ? tetherOffset(Object.assign({}, state.rects, { - placement: state.placement - })) : tetherOffset; - var normalizedTetherOffsetValue = typeof tetherOffsetValue === 'number' ? { - mainAxis: tetherOffsetValue, - altAxis: tetherOffsetValue - } : Object.assign({ - mainAxis: 0, - altAxis: 0 - }, tetherOffsetValue); - var offsetModifierState = state.modifiersData.offset ? state.modifiersData.offset[state.placement] : null; - var data = { - x: 0, - y: 0 - }; - - if (!popperOffsets) { - return; - } - - if (checkMainAxis) { - var _offsetModifierState$; - - var mainSide = mainAxis === 'y' ? top : left; - var altSide = mainAxis === 'y' ? bottom : right; - var len = mainAxis === 'y' ? 'height' : 'width'; - var offset = popperOffsets[mainAxis]; - var min$1 = offset + overflow[mainSide]; - var max$1 = offset - overflow[altSide]; - var additive = tether ? -popperRect[len] / 2 : 0; - var minLen = variation === start ? referenceRect[len] : popperRect[len]; - var maxLen = variation === start ? -popperRect[len] : -referenceRect[len]; // We need to include the arrow in the calculation so the arrow doesn't go - // outside the reference bounds - - var arrowElement = state.elements.arrow; - var arrowRect = tether && arrowElement ? getLayoutRect(arrowElement) : { - width: 0, - height: 0 - }; - var arrowPaddingObject = state.modifiersData['arrow#persistent'] ? state.modifiersData['arrow#persistent'].padding : getFreshSideObject(); - var arrowPaddingMin = arrowPaddingObject[mainSide]; - var arrowPaddingMax = arrowPaddingObject[altSide]; // If the reference length is smaller than the arrow length, we don't want - // to include its full size in the calculation. If the reference is small - // and near the edge of a boundary, the popper can overflow even if the - // reference is not overflowing as well (e.g. virtual elements with no - // width or height) - - var arrowLen = within(0, referenceRect[len], arrowRect[len]); - var minOffset = isBasePlacement ? referenceRect[len] / 2 - additive - arrowLen - arrowPaddingMin - normalizedTetherOffsetValue.mainAxis : minLen - arrowLen - arrowPaddingMin - normalizedTetherOffsetValue.mainAxis; - var maxOffset = isBasePlacement ? -referenceRect[len] / 2 + additive + arrowLen + arrowPaddingMax + normalizedTetherOffsetValue.mainAxis : maxLen + arrowLen + arrowPaddingMax + normalizedTetherOffsetValue.mainAxis; - var arrowOffsetParent = state.elements.arrow && getOffsetParent(state.elements.arrow); - var clientOffset = arrowOffsetParent ? mainAxis === 'y' ? arrowOffsetParent.clientTop || 0 : arrowOffsetParent.clientLeft || 0 : 0; - var offsetModifierValue = (_offsetModifierState$ = offsetModifierState == null ? void 0 : offsetModifierState[mainAxis]) != null ? _offsetModifierState$ : 0; - var tetherMin = offset + minOffset - offsetModifierValue - clientOffset; - var tetherMax = offset + maxOffset - offsetModifierValue; - var preventedOffset = within(tether ? min(min$1, tetherMin) : min$1, offset, tether ? max(max$1, tetherMax) : max$1); - popperOffsets[mainAxis] = preventedOffset; - data[mainAxis] = preventedOffset - offset; - } - - if (checkAltAxis) { - var _offsetModifierState$2; - - var _mainSide = mainAxis === 'x' ? top : left; - - var _altSide = mainAxis === 'x' ? bottom : right; - - var _offset = popperOffsets[altAxis]; - - var _len = altAxis === 'y' ? 'height' : 'width'; - - var _min = _offset + overflow[_mainSide]; - - var _max = _offset - overflow[_altSide]; - - var isOriginSide = [top, left].indexOf(basePlacement) !== -1; - - var _offsetModifierValue = (_offsetModifierState$2 = offsetModifierState == null ? void 0 : offsetModifierState[altAxis]) != null ? _offsetModifierState$2 : 0; - - var _tetherMin = isOriginSide ? _min : _offset - referenceRect[_len] - popperRect[_len] - _offsetModifierValue + normalizedTetherOffsetValue.altAxis; - - var _tetherMax = isOriginSide ? _offset + referenceRect[_len] + popperRect[_len] - _offsetModifierValue - normalizedTetherOffsetValue.altAxis : _max; - - var _preventedOffset = tether && isOriginSide ? withinMaxClamp(_tetherMin, _offset, _tetherMax) : within(tether ? _tetherMin : _min, _offset, tether ? _tetherMax : _max); - - popperOffsets[altAxis] = _preventedOffset; - data[altAxis] = _preventedOffset - _offset; - } - - state.modifiersData[name] = data; -} // eslint-disable-next-line import/no-unused-modules - - -var preventOverflow$1 = { - name: 'preventOverflow', - enabled: true, - phase: 'main', - fn: preventOverflow, - requiresIfExists: ['offset'] -}; - -var toPaddingObject = function toPaddingObject(padding, state) { - padding = typeof padding === 'function' ? padding(Object.assign({}, state.rects, { - placement: state.placement - })) : padding; - return mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements)); -}; - -function arrow(_ref) { - var _state$modifiersData$; - - var state = _ref.state, - name = _ref.name, - options = _ref.options; - var arrowElement = state.elements.arrow; - var popperOffsets = state.modifiersData.popperOffsets; - var basePlacement = getBasePlacement(state.placement); - var axis = getMainAxisFromPlacement(basePlacement); - var isVertical = [left, right].indexOf(basePlacement) >= 0; - var len = isVertical ? 'height' : 'width'; - - if (!arrowElement || !popperOffsets) { - return; - } - - var paddingObject = toPaddingObject(options.padding, state); - var arrowRect = getLayoutRect(arrowElement); - var minProp = axis === 'y' ? top : left; - var maxProp = axis === 'y' ? bottom : right; - var endDiff = state.rects.reference[len] + state.rects.reference[axis] - popperOffsets[axis] - state.rects.popper[len]; - var startDiff = popperOffsets[axis] - state.rects.reference[axis]; - var arrowOffsetParent = getOffsetParent(arrowElement); - var clientSize = arrowOffsetParent ? axis === 'y' ? arrowOffsetParent.clientHeight || 0 : arrowOffsetParent.clientWidth || 0 : 0; - var centerToReference = endDiff / 2 - startDiff / 2; // Make sure the arrow doesn't overflow the popper if the center point is - // outside of the popper bounds - - var min = paddingObject[minProp]; - var max = clientSize - arrowRect[len] - paddingObject[maxProp]; - var center = clientSize / 2 - arrowRect[len] / 2 + centerToReference; - var offset = within(min, center, max); // Prevents breaking syntax highlighting... - - var axisProp = axis; - state.modifiersData[name] = (_state$modifiersData$ = {}, _state$modifiersData$[axisProp] = offset, _state$modifiersData$.centerOffset = offset - center, _state$modifiersData$); -} - -function effect(_ref2) { - var state = _ref2.state, - options = _ref2.options; - var _options$element = options.element, - arrowElement = _options$element === void 0 ? '[data-popper-arrow]' : _options$element; - - if (arrowElement == null) { - return; - } // CSS selector - - - if (typeof arrowElement === 'string') { - arrowElement = state.elements.popper.querySelector(arrowElement); - - if (!arrowElement) { - return; - } - } - - if (!contains(state.elements.popper, arrowElement)) { - return; - } - - state.elements.arrow = arrowElement; -} // eslint-disable-next-line import/no-unused-modules - - -var arrow$1 = { - name: 'arrow', - enabled: true, - phase: 'main', - fn: arrow, - effect: effect, - requires: ['popperOffsets'], - requiresIfExists: ['preventOverflow'] -}; - -function getSideOffsets(overflow, rect, preventedOffsets) { - if (preventedOffsets === void 0) { - preventedOffsets = { - x: 0, - y: 0 - }; - } - - return { - top: overflow.top - rect.height - preventedOffsets.y, - right: overflow.right - rect.width + preventedOffsets.x, - bottom: overflow.bottom - rect.height + preventedOffsets.y, - left: overflow.left - rect.width - preventedOffsets.x - }; -} - -function isAnySideFullyClipped(overflow) { - return [top, right, bottom, left].some(function (side) { - return overflow[side] >= 0; - }); -} - -function hide(_ref) { - var state = _ref.state, - name = _ref.name; - var referenceRect = state.rects.reference; - var popperRect = state.rects.popper; - var preventedOffsets = state.modifiersData.preventOverflow; - var referenceOverflow = detectOverflow(state, { - elementContext: 'reference' - }); - var popperAltOverflow = detectOverflow(state, { - altBoundary: true - }); - var referenceClippingOffsets = getSideOffsets(referenceOverflow, referenceRect); - var popperEscapeOffsets = getSideOffsets(popperAltOverflow, popperRect, preventedOffsets); - var isReferenceHidden = isAnySideFullyClipped(referenceClippingOffsets); - var hasPopperEscaped = isAnySideFullyClipped(popperEscapeOffsets); - state.modifiersData[name] = { - referenceClippingOffsets: referenceClippingOffsets, - popperEscapeOffsets: popperEscapeOffsets, - isReferenceHidden: isReferenceHidden, - hasPopperEscaped: hasPopperEscaped - }; - state.attributes.popper = Object.assign({}, state.attributes.popper, { - 'data-popper-reference-hidden': isReferenceHidden, - 'data-popper-escaped': hasPopperEscaped - }); -} // eslint-disable-next-line import/no-unused-modules - - -var hide$1 = { - name: 'hide', - enabled: true, - phase: 'main', - requiresIfExists: ['preventOverflow'], - fn: hide -}; - -var defaultModifiers$1 = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1]; -var createPopper$1 = /*#__PURE__*/popperGenerator({ - defaultModifiers: defaultModifiers$1 -}); // eslint-disable-next-line import/no-unused-modules - -var defaultModifiers = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1, offset$1, flip$1, preventOverflow$1, arrow$1, hide$1]; -var createPopper = /*#__PURE__*/popperGenerator({ - defaultModifiers: defaultModifiers -}); // eslint-disable-next-line import/no-unused-modules - -exports.applyStyles = applyStyles$1; -exports.arrow = arrow$1; -exports.computeStyles = computeStyles$1; -exports.createPopper = createPopper; -exports.createPopperLite = createPopper$1; -exports.defaultModifiers = defaultModifiers; -exports.detectOverflow = detectOverflow; -exports.eventListeners = eventListeners; -exports.flip = flip$1; -exports.hide = hide$1; -exports.offset = offset$1; -exports.popperGenerator = popperGenerator; -exports.popperOffsets = popperOffsets$1; -exports.preventOverflow = preventOverflow$1; - - -},{}],2:[function(require,module,exports){ -const ADDR_RE = /^\[?([^\]]+)]?:(\d+)$/ // ipv4/ipv6/hostname + port - -let cache = new Map() - -// reset cache when it gets to 100,000 elements (~ 600KB of ipv4 addresses) -// so it will not grow to consume all memory in long-running processes -module.exports = function addrToIPPort (addr) { - if (cache.size === 100000) cache.clear() - if (!cache.has(addr)) { - const m = ADDR_RE.exec(addr) - if (!m) throw new Error(`invalid addr: ${addr}`) - cache.set(addr, [ m[1], Number(m[2]) ]) - } - return cache.get(addr) -} - -},{}],3:[function(require,module,exports){ -'use strict'; - -const asn1 = exports; - -asn1.bignum = require('bn.js'); - -asn1.define = require('./asn1/api').define; -asn1.base = require('./asn1/base'); -asn1.constants = require('./asn1/constants'); -asn1.decoders = require('./asn1/decoders'); -asn1.encoders = require('./asn1/encoders'); - -},{"./asn1/api":4,"./asn1/base":6,"./asn1/constants":10,"./asn1/decoders":12,"./asn1/encoders":15,"bn.js":17}],4:[function(require,module,exports){ -'use strict'; - -const encoders = require('./encoders'); -const decoders = require('./decoders'); -const inherits = require('inherits'); - -const api = exports; - -api.define = function define(name, body) { - return new Entity(name, body); -}; - -function Entity(name, body) { - this.name = name; - this.body = body; - - this.decoders = {}; - this.encoders = {}; -} - -Entity.prototype._createNamed = function createNamed(Base) { - const name = this.name; - - function Generated(entity) { - this._initNamed(entity, name); - } - inherits(Generated, Base); - Generated.prototype._initNamed = function _initNamed(entity, name) { - Base.call(this, entity, name); - }; - - return new Generated(this); -}; - -Entity.prototype._getDecoder = function _getDecoder(enc) { - enc = enc || 'der'; - // Lazily create decoder - if (!this.decoders.hasOwnProperty(enc)) - this.decoders[enc] = this._createNamed(decoders[enc]); - return this.decoders[enc]; -}; - -Entity.prototype.decode = function decode(data, enc, options) { - return this._getDecoder(enc).decode(data, options); -}; - -Entity.prototype._getEncoder = function _getEncoder(enc) { - enc = enc || 'der'; - // Lazily create encoder - if (!this.encoders.hasOwnProperty(enc)) - this.encoders[enc] = this._createNamed(encoders[enc]); - return this.encoders[enc]; -}; - -Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) { - return this._getEncoder(enc).encode(data, reporter); -}; - -},{"./decoders":12,"./encoders":15,"inherits":229}],5:[function(require,module,exports){ -'use strict'; - -const inherits = require('inherits'); -const Reporter = require('../base/reporter').Reporter; -const Buffer = require('safer-buffer').Buffer; - -function DecoderBuffer(base, options) { - Reporter.call(this, options); - if (!Buffer.isBuffer(base)) { - this.error('Input not Buffer'); - return; - } - - this.base = base; - this.offset = 0; - this.length = base.length; -} -inherits(DecoderBuffer, Reporter); -exports.DecoderBuffer = DecoderBuffer; - -DecoderBuffer.isDecoderBuffer = function isDecoderBuffer(data) { - if (data instanceof DecoderBuffer) { - return true; - } - - // Or accept compatible API - const isCompatible = typeof data === 'object' && - Buffer.isBuffer(data.base) && - data.constructor.name === 'DecoderBuffer' && - typeof data.offset === 'number' && - typeof data.length === 'number' && - typeof data.save === 'function' && - typeof data.restore === 'function' && - typeof data.isEmpty === 'function' && - typeof data.readUInt8 === 'function' && - typeof data.skip === 'function' && - typeof data.raw === 'function'; - - return isCompatible; -}; - -DecoderBuffer.prototype.save = function save() { - return { offset: this.offset, reporter: Reporter.prototype.save.call(this) }; -}; - -DecoderBuffer.prototype.restore = function restore(save) { - // Return skipped data - const res = new DecoderBuffer(this.base); - res.offset = save.offset; - res.length = this.offset; - - this.offset = save.offset; - Reporter.prototype.restore.call(this, save.reporter); - - return res; -}; - -DecoderBuffer.prototype.isEmpty = function isEmpty() { - return this.offset === this.length; -}; - -DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) { - if (this.offset + 1 <= this.length) - return this.base.readUInt8(this.offset++, true); - else - return this.error(fail || 'DecoderBuffer overrun'); -}; - -DecoderBuffer.prototype.skip = function skip(bytes, fail) { - if (!(this.offset + bytes <= this.length)) - return this.error(fail || 'DecoderBuffer overrun'); - - const res = new DecoderBuffer(this.base); - - // Share reporter state - res._reporterState = this._reporterState; - - res.offset = this.offset; - res.length = this.offset + bytes; - this.offset += bytes; - return res; -}; - -DecoderBuffer.prototype.raw = function raw(save) { - return this.base.slice(save ? save.offset : this.offset, this.length); -}; - -function EncoderBuffer(value, reporter) { - if (Array.isArray(value)) { - this.length = 0; - this.value = value.map(function(item) { - if (!EncoderBuffer.isEncoderBuffer(item)) - item = new EncoderBuffer(item, reporter); - this.length += item.length; - return item; - }, this); - } else if (typeof value === 'number') { - if (!(0 <= value && value <= 0xff)) - return reporter.error('non-byte EncoderBuffer value'); - this.value = value; - this.length = 1; - } else if (typeof value === 'string') { - this.value = value; - this.length = Buffer.byteLength(value); - } else if (Buffer.isBuffer(value)) { - this.value = value; - this.length = value.length; - } else { - return reporter.error('Unsupported type: ' + typeof value); - } -} -exports.EncoderBuffer = EncoderBuffer; - -EncoderBuffer.isEncoderBuffer = function isEncoderBuffer(data) { - if (data instanceof EncoderBuffer) { - return true; - } - - // Or accept compatible API - const isCompatible = typeof data === 'object' && - data.constructor.name === 'EncoderBuffer' && - typeof data.length === 'number' && - typeof data.join === 'function'; - - return isCompatible; -}; - -EncoderBuffer.prototype.join = function join(out, offset) { - if (!out) - out = Buffer.alloc(this.length); - if (!offset) - offset = 0; - - if (this.length === 0) - return out; - - if (Array.isArray(this.value)) { - this.value.forEach(function(item) { - item.join(out, offset); - offset += item.length; - }); - } else { - if (typeof this.value === 'number') - out[offset] = this.value; - else if (typeof this.value === 'string') - out.write(this.value, offset); - else if (Buffer.isBuffer(this.value)) - this.value.copy(out, offset); - offset += this.length; - } - - return out; -}; - -},{"../base/reporter":8,"inherits":229,"safer-buffer":357}],6:[function(require,module,exports){ -'use strict'; - -const base = exports; - -base.Reporter = require('./reporter').Reporter; -base.DecoderBuffer = require('./buffer').DecoderBuffer; -base.EncoderBuffer = require('./buffer').EncoderBuffer; -base.Node = require('./node'); - -},{"./buffer":5,"./node":7,"./reporter":8}],7:[function(require,module,exports){ -'use strict'; - -const Reporter = require('../base/reporter').Reporter; -const EncoderBuffer = require('../base/buffer').EncoderBuffer; -const DecoderBuffer = require('../base/buffer').DecoderBuffer; -const assert = require('minimalistic-assert'); - -// Supported tags -const tags = [ - 'seq', 'seqof', 'set', 'setof', 'objid', 'bool', - 'gentime', 'utctime', 'null_', 'enum', 'int', 'objDesc', - 'bitstr', 'bmpstr', 'charstr', 'genstr', 'graphstr', 'ia5str', 'iso646str', - 'numstr', 'octstr', 'printstr', 't61str', 'unistr', 'utf8str', 'videostr' -]; - -// Public methods list -const methods = [ - 'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice', - 'any', 'contains' -].concat(tags); - -// Overrided methods list -const overrided = [ - '_peekTag', '_decodeTag', '_use', - '_decodeStr', '_decodeObjid', '_decodeTime', - '_decodeNull', '_decodeInt', '_decodeBool', '_decodeList', - - '_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime', - '_encodeNull', '_encodeInt', '_encodeBool' -]; - -function Node(enc, parent, name) { - const state = {}; - this._baseState = state; - - state.name = name; - state.enc = enc; - - state.parent = parent || null; - state.children = null; - - // State - state.tag = null; - state.args = null; - state.reverseArgs = null; - state.choice = null; - state.optional = false; - state.any = false; - state.obj = false; - state.use = null; - state.useDecoder = null; - state.key = null; - state['default'] = null; - state.explicit = null; - state.implicit = null; - state.contains = null; - - // Should create new instance on each method - if (!state.parent) { - state.children = []; - this._wrap(); - } -} -module.exports = Node; - -const stateProps = [ - 'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice', - 'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit', - 'implicit', 'contains' -]; - -Node.prototype.clone = function clone() { - const state = this._baseState; - const cstate = {}; - stateProps.forEach(function(prop) { - cstate[prop] = state[prop]; - }); - const res = new this.constructor(cstate.parent); - res._baseState = cstate; - return res; -}; - -Node.prototype._wrap = function wrap() { - const state = this._baseState; - methods.forEach(function(method) { - this[method] = function _wrappedMethod() { - const clone = new this.constructor(this); - state.children.push(clone); - return clone[method].apply(clone, arguments); - }; - }, this); -}; - -Node.prototype._init = function init(body) { - const state = this._baseState; - - assert(state.parent === null); - body.call(this); - - // Filter children - state.children = state.children.filter(function(child) { - return child._baseState.parent === this; - }, this); - assert.equal(state.children.length, 1, 'Root node can have only one child'); -}; - -Node.prototype._useArgs = function useArgs(args) { - const state = this._baseState; - - // Filter children and args - const children = args.filter(function(arg) { - return arg instanceof this.constructor; - }, this); - args = args.filter(function(arg) { - return !(arg instanceof this.constructor); - }, this); - - if (children.length !== 0) { - assert(state.children === null); - state.children = children; - - // Replace parent to maintain backward link - children.forEach(function(child) { - child._baseState.parent = this; - }, this); - } - if (args.length !== 0) { - assert(state.args === null); - state.args = args; - state.reverseArgs = args.map(function(arg) { - if (typeof arg !== 'object' || arg.constructor !== Object) - return arg; - - const res = {}; - Object.keys(arg).forEach(function(key) { - if (key == (key | 0)) - key |= 0; - const value = arg[key]; - res[value] = key; - }); - return res; - }); - } -}; - -// -// Overrided methods -// - -overrided.forEach(function(method) { - Node.prototype[method] = function _overrided() { - const state = this._baseState; - throw new Error(method + ' not implemented for encoding: ' + state.enc); - }; -}); - -// -// Public methods -// - -tags.forEach(function(tag) { - Node.prototype[tag] = function _tagMethod() { - const state = this._baseState; - const args = Array.prototype.slice.call(arguments); - - assert(state.tag === null); - state.tag = tag; - - this._useArgs(args); - - return this; - }; -}); - -Node.prototype.use = function use(item) { - assert(item); - const state = this._baseState; - - assert(state.use === null); - state.use = item; - - return this; -}; - -Node.prototype.optional = function optional() { - const state = this._baseState; - - state.optional = true; - - return this; -}; - -Node.prototype.def = function def(val) { - const state = this._baseState; - - assert(state['default'] === null); - state['default'] = val; - state.optional = true; - - return this; -}; - -Node.prototype.explicit = function explicit(num) { - const state = this._baseState; - - assert(state.explicit === null && state.implicit === null); - state.explicit = num; - - return this; -}; - -Node.prototype.implicit = function implicit(num) { - const state = this._baseState; - - assert(state.explicit === null && state.implicit === null); - state.implicit = num; - - return this; -}; - -Node.prototype.obj = function obj() { - const state = this._baseState; - const args = Array.prototype.slice.call(arguments); - - state.obj = true; - - if (args.length !== 0) - this._useArgs(args); - - return this; -}; - -Node.prototype.key = function key(newKey) { - const state = this._baseState; - - assert(state.key === null); - state.key = newKey; - - return this; -}; - -Node.prototype.any = function any() { - const state = this._baseState; - - state.any = true; - - return this; -}; - -Node.prototype.choice = function choice(obj) { - const state = this._baseState; - - assert(state.choice === null); - state.choice = obj; - this._useArgs(Object.keys(obj).map(function(key) { - return obj[key]; - })); - - return this; -}; - -Node.prototype.contains = function contains(item) { - const state = this._baseState; - - assert(state.use === null); - state.contains = item; - - return this; -}; - -// -// Decoding -// - -Node.prototype._decode = function decode(input, options) { - const state = this._baseState; - - // Decode root node - if (state.parent === null) - return input.wrapResult(state.children[0]._decode(input, options)); - - let result = state['default']; - let present = true; - - let prevKey = null; - if (state.key !== null) - prevKey = input.enterKey(state.key); - - // Check if tag is there - if (state.optional) { - let tag = null; - if (state.explicit !== null) - tag = state.explicit; - else if (state.implicit !== null) - tag = state.implicit; - else if (state.tag !== null) - tag = state.tag; - - if (tag === null && !state.any) { - // Trial and Error - const save = input.save(); - try { - if (state.choice === null) - this._decodeGeneric(state.tag, input, options); - else - this._decodeChoice(input, options); - present = true; - } catch (e) { - present = false; - } - input.restore(save); - } else { - present = this._peekTag(input, tag, state.any); - - if (input.isError(present)) - return present; - } - } - - // Push object on stack - let prevObj; - if (state.obj && present) - prevObj = input.enterObject(); - - if (present) { - // Unwrap explicit values - if (state.explicit !== null) { - const explicit = this._decodeTag(input, state.explicit); - if (input.isError(explicit)) - return explicit; - input = explicit; - } - - const start = input.offset; - - // Unwrap implicit and normal values - if (state.use === null && state.choice === null) { - let save; - if (state.any) - save = input.save(); - const body = this._decodeTag( - input, - state.implicit !== null ? state.implicit : state.tag, - state.any - ); - if (input.isError(body)) - return body; - - if (state.any) - result = input.raw(save); - else - input = body; - } - - if (options && options.track && state.tag !== null) - options.track(input.path(), start, input.length, 'tagged'); - - if (options && options.track && state.tag !== null) - options.track(input.path(), input.offset, input.length, 'content'); - - // Select proper method for tag - if (state.any) { - // no-op - } else if (state.choice === null) { - result = this._decodeGeneric(state.tag, input, options); - } else { - result = this._decodeChoice(input, options); - } - - if (input.isError(result)) - return result; - - // Decode children - if (!state.any && state.choice === null && state.children !== null) { - state.children.forEach(function decodeChildren(child) { - // NOTE: We are ignoring errors here, to let parser continue with other - // parts of encoded data - child._decode(input, options); - }); - } - - // Decode contained/encoded by schema, only in bit or octet strings - if (state.contains && (state.tag === 'octstr' || state.tag === 'bitstr')) { - const data = new DecoderBuffer(result); - result = this._getUse(state.contains, input._reporterState.obj) - ._decode(data, options); - } - } - - // Pop object - if (state.obj && present) - result = input.leaveObject(prevObj); - - // Set key - if (state.key !== null && (result !== null || present === true)) - input.leaveKey(prevKey, state.key, result); - else if (prevKey !== null) - input.exitKey(prevKey); - - return result; -}; - -Node.prototype._decodeGeneric = function decodeGeneric(tag, input, options) { - const state = this._baseState; - - if (tag === 'seq' || tag === 'set') - return null; - if (tag === 'seqof' || tag === 'setof') - return this._decodeList(input, tag, state.args[0], options); - else if (/str$/.test(tag)) - return this._decodeStr(input, tag, options); - else if (tag === 'objid' && state.args) - return this._decodeObjid(input, state.args[0], state.args[1], options); - else if (tag === 'objid') - return this._decodeObjid(input, null, null, options); - else if (tag === 'gentime' || tag === 'utctime') - return this._decodeTime(input, tag, options); - else if (tag === 'null_') - return this._decodeNull(input, options); - else if (tag === 'bool') - return this._decodeBool(input, options); - else if (tag === 'objDesc') - return this._decodeStr(input, tag, options); - else if (tag === 'int' || tag === 'enum') - return this._decodeInt(input, state.args && state.args[0], options); - - if (state.use !== null) { - return this._getUse(state.use, input._reporterState.obj) - ._decode(input, options); - } else { - return input.error('unknown tag: ' + tag); - } -}; - -Node.prototype._getUse = function _getUse(entity, obj) { - - const state = this._baseState; - // Create altered use decoder if implicit is set - state.useDecoder = this._use(entity, obj); - assert(state.useDecoder._baseState.parent === null); - state.useDecoder = state.useDecoder._baseState.children[0]; - if (state.implicit !== state.useDecoder._baseState.implicit) { - state.useDecoder = state.useDecoder.clone(); - state.useDecoder._baseState.implicit = state.implicit; - } - return state.useDecoder; -}; - -Node.prototype._decodeChoice = function decodeChoice(input, options) { - const state = this._baseState; - let result = null; - let match = false; - - Object.keys(state.choice).some(function(key) { - const save = input.save(); - const node = state.choice[key]; - try { - const value = node._decode(input, options); - if (input.isError(value)) - return false; - - result = { type: key, value: value }; - match = true; - } catch (e) { - input.restore(save); - return false; - } - return true; - }, this); - - if (!match) - return input.error('Choice not matched'); - - return result; -}; - -// -// Encoding -// - -Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) { - return new EncoderBuffer(data, this.reporter); -}; - -Node.prototype._encode = function encode(data, reporter, parent) { - const state = this._baseState; - if (state['default'] !== null && state['default'] === data) - return; - - const result = this._encodeValue(data, reporter, parent); - if (result === undefined) - return; - - if (this._skipDefault(result, reporter, parent)) - return; - - return result; -}; - -Node.prototype._encodeValue = function encode(data, reporter, parent) { - const state = this._baseState; - - // Decode root node - if (state.parent === null) - return state.children[0]._encode(data, reporter || new Reporter()); - - let result = null; - - // Set reporter to share it with a child class - this.reporter = reporter; - - // Check if data is there - if (state.optional && data === undefined) { - if (state['default'] !== null) - data = state['default']; - else - return; - } - - // Encode children first - let content = null; - let primitive = false; - if (state.any) { - // Anything that was given is translated to buffer - result = this._createEncoderBuffer(data); - } else if (state.choice) { - result = this._encodeChoice(data, reporter); - } else if (state.contains) { - content = this._getUse(state.contains, parent)._encode(data, reporter); - primitive = true; - } else if (state.children) { - content = state.children.map(function(child) { - if (child._baseState.tag === 'null_') - return child._encode(null, reporter, data); - - if (child._baseState.key === null) - return reporter.error('Child should have a key'); - const prevKey = reporter.enterKey(child._baseState.key); - - if (typeof data !== 'object') - return reporter.error('Child expected, but input is not object'); - - const res = child._encode(data[child._baseState.key], reporter, data); - reporter.leaveKey(prevKey); - - return res; - }, this).filter(function(child) { - return child; - }); - content = this._createEncoderBuffer(content); - } else { - if (state.tag === 'seqof' || state.tag === 'setof') { - // TODO(indutny): this should be thrown on DSL level - if (!(state.args && state.args.length === 1)) - return reporter.error('Too many args for : ' + state.tag); - - if (!Array.isArray(data)) - return reporter.error('seqof/setof, but data is not Array'); - - const child = this.clone(); - child._baseState.implicit = null; - content = this._createEncoderBuffer(data.map(function(item) { - const state = this._baseState; - - return this._getUse(state.args[0], data)._encode(item, reporter); - }, child)); - } else if (state.use !== null) { - result = this._getUse(state.use, parent)._encode(data, reporter); - } else { - content = this._encodePrimitive(state.tag, data); - primitive = true; - } - } - - // Encode data itself - if (!state.any && state.choice === null) { - const tag = state.implicit !== null ? state.implicit : state.tag; - const cls = state.implicit === null ? 'universal' : 'context'; - - if (tag === null) { - if (state.use === null) - reporter.error('Tag could be omitted only for .use()'); - } else { - if (state.use === null) - result = this._encodeComposite(tag, primitive, cls, content); - } - } - - // Wrap in explicit - if (state.explicit !== null) - result = this._encodeComposite(state.explicit, false, 'context', result); - - return result; -}; - -Node.prototype._encodeChoice = function encodeChoice(data, reporter) { - const state = this._baseState; - - const node = state.choice[data.type]; - if (!node) { - assert( - false, - data.type + ' not found in ' + - JSON.stringify(Object.keys(state.choice))); - } - return node._encode(data.value, reporter); -}; - -Node.prototype._encodePrimitive = function encodePrimitive(tag, data) { - const state = this._baseState; - - if (/str$/.test(tag)) - return this._encodeStr(data, tag); - else if (tag === 'objid' && state.args) - return this._encodeObjid(data, state.reverseArgs[0], state.args[1]); - else if (tag === 'objid') - return this._encodeObjid(data, null, null); - else if (tag === 'gentime' || tag === 'utctime') - return this._encodeTime(data, tag); - else if (tag === 'null_') - return this._encodeNull(); - else if (tag === 'int' || tag === 'enum') - return this._encodeInt(data, state.args && state.reverseArgs[0]); - else if (tag === 'bool') - return this._encodeBool(data); - else if (tag === 'objDesc') - return this._encodeStr(data, tag); - else - throw new Error('Unsupported tag: ' + tag); -}; - -Node.prototype._isNumstr = function isNumstr(str) { - return /^[0-9 ]*$/.test(str); -}; - -Node.prototype._isPrintstr = function isPrintstr(str) { - return /^[A-Za-z0-9 '()+,-./:=?]*$/.test(str); -}; - -},{"../base/buffer":5,"../base/reporter":8,"minimalistic-assert":268}],8:[function(require,module,exports){ -'use strict'; - -const inherits = require('inherits'); - -function Reporter(options) { - this._reporterState = { - obj: null, - path: [], - options: options || {}, - errors: [] - }; -} -exports.Reporter = Reporter; - -Reporter.prototype.isError = function isError(obj) { - return obj instanceof ReporterError; -}; - -Reporter.prototype.save = function save() { - const state = this._reporterState; - - return { obj: state.obj, pathLen: state.path.length }; -}; - -Reporter.prototype.restore = function restore(data) { - const state = this._reporterState; - - state.obj = data.obj; - state.path = state.path.slice(0, data.pathLen); -}; - -Reporter.prototype.enterKey = function enterKey(key) { - return this._reporterState.path.push(key); -}; - -Reporter.prototype.exitKey = function exitKey(index) { - const state = this._reporterState; - - state.path = state.path.slice(0, index - 1); -}; - -Reporter.prototype.leaveKey = function leaveKey(index, key, value) { - const state = this._reporterState; - - this.exitKey(index); - if (state.obj !== null) - state.obj[key] = value; -}; - -Reporter.prototype.path = function path() { - return this._reporterState.path.join('/'); -}; - -Reporter.prototype.enterObject = function enterObject() { - const state = this._reporterState; - - const prev = state.obj; - state.obj = {}; - return prev; -}; - -Reporter.prototype.leaveObject = function leaveObject(prev) { - const state = this._reporterState; - - const now = state.obj; - state.obj = prev; - return now; -}; - -Reporter.prototype.error = function error(msg) { - let err; - const state = this._reporterState; - - const inherited = msg instanceof ReporterError; - if (inherited) { - err = msg; - } else { - err = new ReporterError(state.path.map(function(elem) { - return '[' + JSON.stringify(elem) + ']'; - }).join(''), msg.message || msg, msg.stack); - } - - if (!state.options.partial) - throw err; - - if (!inherited) - state.errors.push(err); - - return err; -}; - -Reporter.prototype.wrapResult = function wrapResult(result) { - const state = this._reporterState; - if (!state.options.partial) - return result; - - return { - result: this.isError(result) ? null : result, - errors: state.errors - }; -}; - -function ReporterError(path, msg) { - this.path = path; - this.rethrow(msg); -} -inherits(ReporterError, Error); - -ReporterError.prototype.rethrow = function rethrow(msg) { - this.message = msg + ' at: ' + (this.path || '(shallow)'); - if (Error.captureStackTrace) - Error.captureStackTrace(this, ReporterError); - - if (!this.stack) { - try { - // IE only adds stack when thrown - throw new Error(this.message); - } catch (e) { - this.stack = e.stack; - } - } - return this; -}; - -},{"inherits":229}],9:[function(require,module,exports){ -'use strict'; - -// Helper -function reverse(map) { - const res = {}; - - Object.keys(map).forEach(function(key) { - // Convert key to integer if it is stringified - if ((key | 0) == key) - key = key | 0; - - const value = map[key]; - res[value] = key; - }); - - return res; -} - -exports.tagClass = { - 0: 'universal', - 1: 'application', - 2: 'context', - 3: 'private' -}; -exports.tagClassByName = reverse(exports.tagClass); - -exports.tag = { - 0x00: 'end', - 0x01: 'bool', - 0x02: 'int', - 0x03: 'bitstr', - 0x04: 'octstr', - 0x05: 'null_', - 0x06: 'objid', - 0x07: 'objDesc', - 0x08: 'external', - 0x09: 'real', - 0x0a: 'enum', - 0x0b: 'embed', - 0x0c: 'utf8str', - 0x0d: 'relativeOid', - 0x10: 'seq', - 0x11: 'set', - 0x12: 'numstr', - 0x13: 'printstr', - 0x14: 't61str', - 0x15: 'videostr', - 0x16: 'ia5str', - 0x17: 'utctime', - 0x18: 'gentime', - 0x19: 'graphstr', - 0x1a: 'iso646str', - 0x1b: 'genstr', - 0x1c: 'unistr', - 0x1d: 'charstr', - 0x1e: 'bmpstr' -}; -exports.tagByName = reverse(exports.tag); - -},{}],10:[function(require,module,exports){ -'use strict'; - -const constants = exports; - -// Helper -constants._reverse = function reverse(map) { - const res = {}; - - Object.keys(map).forEach(function(key) { - // Convert key to integer if it is stringified - if ((key | 0) == key) - key = key | 0; - - const value = map[key]; - res[value] = key; - }); - - return res; -}; - -constants.der = require('./der'); - -},{"./der":9}],11:[function(require,module,exports){ -'use strict'; - -const inherits = require('inherits'); - -const bignum = require('bn.js'); -const DecoderBuffer = require('../base/buffer').DecoderBuffer; -const Node = require('../base/node'); - -// Import DER constants -const der = require('../constants/der'); - -function DERDecoder(entity) { - this.enc = 'der'; - this.name = entity.name; - this.entity = entity; - - // Construct base tree - this.tree = new DERNode(); - this.tree._init(entity.body); -} -module.exports = DERDecoder; - -DERDecoder.prototype.decode = function decode(data, options) { - if (!DecoderBuffer.isDecoderBuffer(data)) { - data = new DecoderBuffer(data, options); - } - - return this.tree._decode(data, options); -}; - -// Tree methods - -function DERNode(parent) { - Node.call(this, 'der', parent); -} -inherits(DERNode, Node); - -DERNode.prototype._peekTag = function peekTag(buffer, tag, any) { - if (buffer.isEmpty()) - return false; - - const state = buffer.save(); - const decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"'); - if (buffer.isError(decodedTag)) - return decodedTag; - - buffer.restore(state); - - return decodedTag.tag === tag || decodedTag.tagStr === tag || - (decodedTag.tagStr + 'of') === tag || any; -}; - -DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) { - const decodedTag = derDecodeTag(buffer, - 'Failed to decode tag of "' + tag + '"'); - if (buffer.isError(decodedTag)) - return decodedTag; - - let len = derDecodeLen(buffer, - decodedTag.primitive, - 'Failed to get length of "' + tag + '"'); - - // Failure - if (buffer.isError(len)) - return len; - - if (!any && - decodedTag.tag !== tag && - decodedTag.tagStr !== tag && - decodedTag.tagStr + 'of' !== tag) { - return buffer.error('Failed to match tag: "' + tag + '"'); - } - - if (decodedTag.primitive || len !== null) - return buffer.skip(len, 'Failed to match body of: "' + tag + '"'); - - // Indefinite length... find END tag - const state = buffer.save(); - const res = this._skipUntilEnd( - buffer, - 'Failed to skip indefinite length body: "' + this.tag + '"'); - if (buffer.isError(res)) - return res; - - len = buffer.offset - state.offset; - buffer.restore(state); - return buffer.skip(len, 'Failed to match body of: "' + tag + '"'); -}; - -DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) { - for (;;) { - const tag = derDecodeTag(buffer, fail); - if (buffer.isError(tag)) - return tag; - const len = derDecodeLen(buffer, tag.primitive, fail); - if (buffer.isError(len)) - return len; - - let res; - if (tag.primitive || len !== null) - res = buffer.skip(len); - else - res = this._skipUntilEnd(buffer, fail); - - // Failure - if (buffer.isError(res)) - return res; - - if (tag.tagStr === 'end') - break; - } -}; - -DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder, - options) { - const result = []; - while (!buffer.isEmpty()) { - const possibleEnd = this._peekTag(buffer, 'end'); - if (buffer.isError(possibleEnd)) - return possibleEnd; - - const res = decoder.decode(buffer, 'der', options); - if (buffer.isError(res) && possibleEnd) - break; - result.push(res); - } - return result; -}; - -DERNode.prototype._decodeStr = function decodeStr(buffer, tag) { - if (tag === 'bitstr') { - const unused = buffer.readUInt8(); - if (buffer.isError(unused)) - return unused; - return { unused: unused, data: buffer.raw() }; - } else if (tag === 'bmpstr') { - const raw = buffer.raw(); - if (raw.length % 2 === 1) - return buffer.error('Decoding of string type: bmpstr length mismatch'); - - let str = ''; - for (let i = 0; i < raw.length / 2; i++) { - str += String.fromCharCode(raw.readUInt16BE(i * 2)); - } - return str; - } else if (tag === 'numstr') { - const numstr = buffer.raw().toString('ascii'); - if (!this._isNumstr(numstr)) { - return buffer.error('Decoding of string type: ' + - 'numstr unsupported characters'); - } - return numstr; - } else if (tag === 'octstr') { - return buffer.raw(); - } else if (tag === 'objDesc') { - return buffer.raw(); - } else if (tag === 'printstr') { - const printstr = buffer.raw().toString('ascii'); - if (!this._isPrintstr(printstr)) { - return buffer.error('Decoding of string type: ' + - 'printstr unsupported characters'); - } - return printstr; - } else if (/str$/.test(tag)) { - return buffer.raw().toString(); - } else { - return buffer.error('Decoding of string type: ' + tag + ' unsupported'); - } -}; - -DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) { - let result; - const identifiers = []; - let ident = 0; - let subident = 0; - while (!buffer.isEmpty()) { - subident = buffer.readUInt8(); - ident <<= 7; - ident |= subident & 0x7f; - if ((subident & 0x80) === 0) { - identifiers.push(ident); - ident = 0; - } - } - if (subident & 0x80) - identifiers.push(ident); - - const first = (identifiers[0] / 40) | 0; - const second = identifiers[0] % 40; - - if (relative) - result = identifiers; - else - result = [first, second].concat(identifiers.slice(1)); - - if (values) { - let tmp = values[result.join(' ')]; - if (tmp === undefined) - tmp = values[result.join('.')]; - if (tmp !== undefined) - result = tmp; - } - - return result; -}; - -DERNode.prototype._decodeTime = function decodeTime(buffer, tag) { - const str = buffer.raw().toString(); - - let year; - let mon; - let day; - let hour; - let min; - let sec; - if (tag === 'gentime') { - year = str.slice(0, 4) | 0; - mon = str.slice(4, 6) | 0; - day = str.slice(6, 8) | 0; - hour = str.slice(8, 10) | 0; - min = str.slice(10, 12) | 0; - sec = str.slice(12, 14) | 0; - } else if (tag === 'utctime') { - year = str.slice(0, 2) | 0; - mon = str.slice(2, 4) | 0; - day = str.slice(4, 6) | 0; - hour = str.slice(6, 8) | 0; - min = str.slice(8, 10) | 0; - sec = str.slice(10, 12) | 0; - if (year < 70) - year = 2000 + year; - else - year = 1900 + year; - } else { - return buffer.error('Decoding ' + tag + ' time is not supported yet'); - } - - return Date.UTC(year, mon - 1, day, hour, min, sec, 0); -}; - -DERNode.prototype._decodeNull = function decodeNull() { - return null; -}; - -DERNode.prototype._decodeBool = function decodeBool(buffer) { - const res = buffer.readUInt8(); - if (buffer.isError(res)) - return res; - else - return res !== 0; -}; - -DERNode.prototype._decodeInt = function decodeInt(buffer, values) { - // Bigint, return as it is (assume big endian) - const raw = buffer.raw(); - let res = new bignum(raw); - - if (values) - res = values[res.toString(10)] || res; - - return res; -}; - -DERNode.prototype._use = function use(entity, obj) { - if (typeof entity === 'function') - entity = entity(obj); - return entity._getDecoder('der').tree; -}; - -// Utility methods - -function derDecodeTag(buf, fail) { - let tag = buf.readUInt8(fail); - if (buf.isError(tag)) - return tag; - - const cls = der.tagClass[tag >> 6]; - const primitive = (tag & 0x20) === 0; - - // Multi-octet tag - load - if ((tag & 0x1f) === 0x1f) { - let oct = tag; - tag = 0; - while ((oct & 0x80) === 0x80) { - oct = buf.readUInt8(fail); - if (buf.isError(oct)) - return oct; - - tag <<= 7; - tag |= oct & 0x7f; - } - } else { - tag &= 0x1f; - } - const tagStr = der.tag[tag]; - - return { - cls: cls, - primitive: primitive, - tag: tag, - tagStr: tagStr - }; -} - -function derDecodeLen(buf, primitive, fail) { - let len = buf.readUInt8(fail); - if (buf.isError(len)) - return len; - - // Indefinite form - if (!primitive && len === 0x80) - return null; - - // Definite form - if ((len & 0x80) === 0) { - // Short form - return len; - } - - // Long form - const num = len & 0x7f; - if (num > 4) - return buf.error('length octect is too long'); - - len = 0; - for (let i = 0; i < num; i++) { - len <<= 8; - const j = buf.readUInt8(fail); - if (buf.isError(j)) - return j; - len |= j; - } - - return len; -} - -},{"../base/buffer":5,"../base/node":7,"../constants/der":9,"bn.js":17,"inherits":229}],12:[function(require,module,exports){ -'use strict'; - -const decoders = exports; - -decoders.der = require('./der'); -decoders.pem = require('./pem'); - -},{"./der":11,"./pem":13}],13:[function(require,module,exports){ -'use strict'; - -const inherits = require('inherits'); -const Buffer = require('safer-buffer').Buffer; - -const DERDecoder = require('./der'); - -function PEMDecoder(entity) { - DERDecoder.call(this, entity); - this.enc = 'pem'; -} -inherits(PEMDecoder, DERDecoder); -module.exports = PEMDecoder; - -PEMDecoder.prototype.decode = function decode(data, options) { - const lines = data.toString().split(/[\r\n]+/g); - - const label = options.label.toUpperCase(); - - const re = /^-----(BEGIN|END) ([^-]+)-----$/; - let start = -1; - let end = -1; - for (let i = 0; i < lines.length; i++) { - const match = lines[i].match(re); - if (match === null) - continue; - - if (match[2] !== label) - continue; - - if (start === -1) { - if (match[1] !== 'BEGIN') - break; - start = i; - } else { - if (match[1] !== 'END') - break; - end = i; - break; - } - } - if (start === -1 || end === -1) - throw new Error('PEM section not found for: ' + label); - - const base64 = lines.slice(start + 1, end).join(''); - // Remove excessive symbols - base64.replace(/[^a-z0-9+/=]+/gi, ''); - - const input = Buffer.from(base64, 'base64'); - return DERDecoder.prototype.decode.call(this, input, options); -}; - -},{"./der":11,"inherits":229,"safer-buffer":357}],14:[function(require,module,exports){ -'use strict'; - -const inherits = require('inherits'); -const Buffer = require('safer-buffer').Buffer; -const Node = require('../base/node'); - -// Import DER constants -const der = require('../constants/der'); - -function DEREncoder(entity) { - this.enc = 'der'; - this.name = entity.name; - this.entity = entity; - - // Construct base tree - this.tree = new DERNode(); - this.tree._init(entity.body); -} -module.exports = DEREncoder; - -DEREncoder.prototype.encode = function encode(data, reporter) { - return this.tree._encode(data, reporter).join(); -}; - -// Tree methods - -function DERNode(parent) { - Node.call(this, 'der', parent); -} -inherits(DERNode, Node); - -DERNode.prototype._encodeComposite = function encodeComposite(tag, - primitive, - cls, - content) { - const encodedTag = encodeTag(tag, primitive, cls, this.reporter); - - // Short form - if (content.length < 0x80) { - const header = Buffer.alloc(2); - header[0] = encodedTag; - header[1] = content.length; - return this._createEncoderBuffer([ header, content ]); - } - - // Long form - // Count octets required to store length - let lenOctets = 1; - for (let i = content.length; i >= 0x100; i >>= 8) - lenOctets++; - - const header = Buffer.alloc(1 + 1 + lenOctets); - header[0] = encodedTag; - header[1] = 0x80 | lenOctets; - - for (let i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8) - header[i] = j & 0xff; - - return this._createEncoderBuffer([ header, content ]); -}; - -DERNode.prototype._encodeStr = function encodeStr(str, tag) { - if (tag === 'bitstr') { - return this._createEncoderBuffer([ str.unused | 0, str.data ]); - } else if (tag === 'bmpstr') { - const buf = Buffer.alloc(str.length * 2); - for (let i = 0; i < str.length; i++) { - buf.writeUInt16BE(str.charCodeAt(i), i * 2); - } - return this._createEncoderBuffer(buf); - } else if (tag === 'numstr') { - if (!this._isNumstr(str)) { - return this.reporter.error('Encoding of string type: numstr supports ' + - 'only digits and space'); - } - return this._createEncoderBuffer(str); - } else if (tag === 'printstr') { - if (!this._isPrintstr(str)) { - return this.reporter.error('Encoding of string type: printstr supports ' + - 'only latin upper and lower case letters, ' + - 'digits, space, apostrophe, left and rigth ' + - 'parenthesis, plus sign, comma, hyphen, ' + - 'dot, slash, colon, equal sign, ' + - 'question mark'); - } - return this._createEncoderBuffer(str); - } else if (/str$/.test(tag)) { - return this._createEncoderBuffer(str); - } else if (tag === 'objDesc') { - return this._createEncoderBuffer(str); - } else { - return this.reporter.error('Encoding of string type: ' + tag + - ' unsupported'); - } -}; - -DERNode.prototype._encodeObjid = function encodeObjid(id, values, relative) { - if (typeof id === 'string') { - if (!values) - return this.reporter.error('string objid given, but no values map found'); - if (!values.hasOwnProperty(id)) - return this.reporter.error('objid not found in values map'); - id = values[id].split(/[\s.]+/g); - for (let i = 0; i < id.length; i++) - id[i] |= 0; - } else if (Array.isArray(id)) { - id = id.slice(); - for (let i = 0; i < id.length; i++) - id[i] |= 0; - } - - if (!Array.isArray(id)) { - return this.reporter.error('objid() should be either array or string, ' + - 'got: ' + JSON.stringify(id)); - } - - if (!relative) { - if (id[1] >= 40) - return this.reporter.error('Second objid identifier OOB'); - id.splice(0, 2, id[0] * 40 + id[1]); - } - - // Count number of octets - let size = 0; - for (let i = 0; i < id.length; i++) { - let ident = id[i]; - for (size++; ident >= 0x80; ident >>= 7) - size++; - } - - const objid = Buffer.alloc(size); - let offset = objid.length - 1; - for (let i = id.length - 1; i >= 0; i--) { - let ident = id[i]; - objid[offset--] = ident & 0x7f; - while ((ident >>= 7) > 0) - objid[offset--] = 0x80 | (ident & 0x7f); - } - - return this._createEncoderBuffer(objid); -}; - -function two(num) { - if (num < 10) - return '0' + num; - else - return num; -} - -DERNode.prototype._encodeTime = function encodeTime(time, tag) { - let str; - const date = new Date(time); - - if (tag === 'gentime') { - str = [ - two(date.getUTCFullYear()), - two(date.getUTCMonth() + 1), - two(date.getUTCDate()), - two(date.getUTCHours()), - two(date.getUTCMinutes()), - two(date.getUTCSeconds()), - 'Z' - ].join(''); - } else if (tag === 'utctime') { - str = [ - two(date.getUTCFullYear() % 100), - two(date.getUTCMonth() + 1), - two(date.getUTCDate()), - two(date.getUTCHours()), - two(date.getUTCMinutes()), - two(date.getUTCSeconds()), - 'Z' - ].join(''); - } else { - this.reporter.error('Encoding ' + tag + ' time is not supported yet'); - } - - return this._encodeStr(str, 'octstr'); -}; - -DERNode.prototype._encodeNull = function encodeNull() { - return this._createEncoderBuffer(''); -}; - -DERNode.prototype._encodeInt = function encodeInt(num, values) { - if (typeof num === 'string') { - if (!values) - return this.reporter.error('String int or enum given, but no values map'); - if (!values.hasOwnProperty(num)) { - return this.reporter.error('Values map doesn\'t contain: ' + - JSON.stringify(num)); - } - num = values[num]; - } - - // Bignum, assume big endian - if (typeof num !== 'number' && !Buffer.isBuffer(num)) { - const numArray = num.toArray(); - if (!num.sign && numArray[0] & 0x80) { - numArray.unshift(0); - } - num = Buffer.from(numArray); - } - - if (Buffer.isBuffer(num)) { - let size = num.length; - if (num.length === 0) - size++; - - const out = Buffer.alloc(size); - num.copy(out); - if (num.length === 0) - out[0] = 0; - return this._createEncoderBuffer(out); - } - - if (num < 0x80) - return this._createEncoderBuffer(num); - - if (num < 0x100) - return this._createEncoderBuffer([0, num]); - - let size = 1; - for (let i = num; i >= 0x100; i >>= 8) - size++; - - const out = new Array(size); - for (let i = out.length - 1; i >= 0; i--) { - out[i] = num & 0xff; - num >>= 8; - } - if(out[0] & 0x80) { - out.unshift(0); - } - - return this._createEncoderBuffer(Buffer.from(out)); -}; - -DERNode.prototype._encodeBool = function encodeBool(value) { - return this._createEncoderBuffer(value ? 0xff : 0); -}; - -DERNode.prototype._use = function use(entity, obj) { - if (typeof entity === 'function') - entity = entity(obj); - return entity._getEncoder('der').tree; -}; - -DERNode.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) { - const state = this._baseState; - let i; - if (state['default'] === null) - return false; - - const data = dataBuffer.join(); - if (state.defaultBuffer === undefined) - state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join(); - - if (data.length !== state.defaultBuffer.length) - return false; - - for (i=0; i < data.length; i++) - if (data[i] !== state.defaultBuffer[i]) - return false; - - return true; -}; - -// Utility methods - -function encodeTag(tag, primitive, cls, reporter) { - let res; - - if (tag === 'seqof') - tag = 'seq'; - else if (tag === 'setof') - tag = 'set'; - - if (der.tagByName.hasOwnProperty(tag)) - res = der.tagByName[tag]; - else if (typeof tag === 'number' && (tag | 0) === tag) - res = tag; - else - return reporter.error('Unknown tag: ' + tag); - - if (res >= 0x1f) - return reporter.error('Multi-octet tag encoding unsupported'); - - if (!primitive) - res |= 0x20; - - res |= (der.tagClassByName[cls || 'universal'] << 6); - - return res; -} - -},{"../base/node":7,"../constants/der":9,"inherits":229,"safer-buffer":357}],15:[function(require,module,exports){ -'use strict'; - -const encoders = exports; - -encoders.der = require('./der'); -encoders.pem = require('./pem'); - -},{"./der":14,"./pem":16}],16:[function(require,module,exports){ -'use strict'; - -const inherits = require('inherits'); - -const DEREncoder = require('./der'); - -function PEMEncoder(entity) { - DEREncoder.call(this, entity); - this.enc = 'pem'; -} -inherits(PEMEncoder, DEREncoder); -module.exports = PEMEncoder; - -PEMEncoder.prototype.encode = function encode(data, options) { - const buf = DEREncoder.prototype.encode.call(this, data); - - const p = buf.toString('base64'); - const out = [ '-----BEGIN ' + options.label + '-----' ]; - for (let i = 0; i < p.length; i += 64) - out.push(p.slice(i, i + 64)); - out.push('-----END ' + options.label + '-----'); - return out.join('\n'); -}; - -},{"./der":14,"inherits":229}],17:[function(require,module,exports){ -(function (module, exports) { - 'use strict'; - - // Utils - function assert (val, msg) { - if (!val) throw new Error(msg || 'Assertion failed'); - } - - // Could use `inherits` module, but don't want to move from single file - // architecture yet. - function inherits (ctor, superCtor) { - ctor.super_ = superCtor; - var TempCtor = function () {}; - TempCtor.prototype = superCtor.prototype; - ctor.prototype = new TempCtor(); - ctor.prototype.constructor = ctor; - } - - // BN - - function BN (number, base, endian) { - if (BN.isBN(number)) { - return number; - } - - this.negative = 0; - this.words = null; - this.length = 0; - - // Reduction context - this.red = null; - - if (number !== null) { - if (base === 'le' || base === 'be') { - endian = base; - base = 10; - } - - this._init(number || 0, base || 10, endian || 'be'); - } - } - if (typeof module === 'object') { - module.exports = BN; - } else { - exports.BN = BN; - } - - BN.BN = BN; - BN.wordSize = 26; - - var Buffer; - try { - if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') { - Buffer = window.Buffer; - } else { - Buffer = require('buffer').Buffer; - } - } catch (e) { - } - - BN.isBN = function isBN (num) { - if (num instanceof BN) { - return true; - } - - return num !== null && typeof num === 'object' && - num.constructor.wordSize === BN.wordSize && Array.isArray(num.words); - }; - - BN.max = function max (left, right) { - if (left.cmp(right) > 0) return left; - return right; - }; - - BN.min = function min (left, right) { - if (left.cmp(right) < 0) return left; - return right; - }; - - BN.prototype._init = function init (number, base, endian) { - if (typeof number === 'number') { - return this._initNumber(number, base, endian); - } - - if (typeof number === 'object') { - return this._initArray(number, base, endian); - } - - if (base === 'hex') { - base = 16; - } - assert(base === (base | 0) && base >= 2 && base <= 36); - - number = number.toString().replace(/\s+/g, ''); - var start = 0; - if (number[0] === '-') { - start++; - this.negative = 1; - } - - if (start < number.length) { - if (base === 16) { - this._parseHex(number, start, endian); - } else { - this._parseBase(number, base, start); - if (endian === 'le') { - this._initArray(this.toArray(), base, endian); - } - } - } - }; - - BN.prototype._initNumber = function _initNumber (number, base, endian) { - if (number < 0) { - this.negative = 1; - number = -number; - } - if (number < 0x4000000) { - this.words = [ number & 0x3ffffff ]; - this.length = 1; - } else if (number < 0x10000000000000) { - this.words = [ - number & 0x3ffffff, - (number / 0x4000000) & 0x3ffffff - ]; - this.length = 2; - } else { - assert(number < 0x20000000000000); // 2 ^ 53 (unsafe) - this.words = [ - number & 0x3ffffff, - (number / 0x4000000) & 0x3ffffff, - 1 - ]; - this.length = 3; - } - - if (endian !== 'le') return; - - // Reverse the bytes - this._initArray(this.toArray(), base, endian); - }; - - BN.prototype._initArray = function _initArray (number, base, endian) { - // Perhaps a Uint8Array - assert(typeof number.length === 'number'); - if (number.length <= 0) { - this.words = [ 0 ]; - this.length = 1; - return this; - } - - this.length = Math.ceil(number.length / 3); - this.words = new Array(this.length); - for (var i = 0; i < this.length; i++) { - this.words[i] = 0; - } - - var j, w; - var off = 0; - if (endian === 'be') { - for (i = number.length - 1, j = 0; i >= 0; i -= 3) { - w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16); - this.words[j] |= (w << off) & 0x3ffffff; - this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; - off += 24; - if (off >= 26) { - off -= 26; - j++; - } - } - } else if (endian === 'le') { - for (i = 0, j = 0; i < number.length; i += 3) { - w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16); - this.words[j] |= (w << off) & 0x3ffffff; - this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; - off += 24; - if (off >= 26) { - off -= 26; - j++; - } - } - } - return this.strip(); - }; - - function parseHex4Bits (string, index) { - var c = string.charCodeAt(index); - // 'A' - 'F' - if (c >= 65 && c <= 70) { - return c - 55; - // 'a' - 'f' - } else if (c >= 97 && c <= 102) { - return c - 87; - // '0' - '9' - } else { - return (c - 48) & 0xf; - } - } - - function parseHexByte (string, lowerBound, index) { - var r = parseHex4Bits(string, index); - if (index - 1 >= lowerBound) { - r |= parseHex4Bits(string, index - 1) << 4; - } - return r; - } - - BN.prototype._parseHex = function _parseHex (number, start, endian) { - // Create possibly bigger array to ensure that it fits the number - this.length = Math.ceil((number.length - start) / 6); - this.words = new Array(this.length); - for (var i = 0; i < this.length; i++) { - this.words[i] = 0; - } - - // 24-bits chunks - var off = 0; - var j = 0; - - var w; - if (endian === 'be') { - for (i = number.length - 1; i >= start; i -= 2) { - w = parseHexByte(number, start, i) << off; - this.words[j] |= w & 0x3ffffff; - if (off >= 18) { - off -= 18; - j += 1; - this.words[j] |= w >>> 26; - } else { - off += 8; - } - } - } else { - var parseLength = number.length - start; - for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) { - w = parseHexByte(number, start, i) << off; - this.words[j] |= w & 0x3ffffff; - if (off >= 18) { - off -= 18; - j += 1; - this.words[j] |= w >>> 26; - } else { - off += 8; - } - } - } - - this.strip(); - }; - - function parseBase (str, start, end, mul) { - var r = 0; - var len = Math.min(str.length, end); - for (var i = start; i < len; i++) { - var c = str.charCodeAt(i) - 48; - - r *= mul; - - // 'a' - if (c >= 49) { - r += c - 49 + 0xa; - - // 'A' - } else if (c >= 17) { - r += c - 17 + 0xa; - - // '0' - '9' - } else { - r += c; - } - } - return r; - } - - BN.prototype._parseBase = function _parseBase (number, base, start) { - // Initialize as zero - this.words = [ 0 ]; - this.length = 1; - - // Find length of limb in base - for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) { - limbLen++; - } - limbLen--; - limbPow = (limbPow / base) | 0; - - var total = number.length - start; - var mod = total % limbLen; - var end = Math.min(total, total - mod) + start; - - var word = 0; - for (var i = start; i < end; i += limbLen) { - word = parseBase(number, i, i + limbLen, base); - - this.imuln(limbPow); - if (this.words[0] + word < 0x4000000) { - this.words[0] += word; - } else { - this._iaddn(word); - } - } - - if (mod !== 0) { - var pow = 1; - word = parseBase(number, i, number.length, base); - - for (i = 0; i < mod; i++) { - pow *= base; - } - - this.imuln(pow); - if (this.words[0] + word < 0x4000000) { - this.words[0] += word; - } else { - this._iaddn(word); - } - } - - this.strip(); - }; - - BN.prototype.copy = function copy (dest) { - dest.words = new Array(this.length); - for (var i = 0; i < this.length; i++) { - dest.words[i] = this.words[i]; - } - dest.length = this.length; - dest.negative = this.negative; - dest.red = this.red; - }; - - BN.prototype.clone = function clone () { - var r = new BN(null); - this.copy(r); - return r; - }; - - BN.prototype._expand = function _expand (size) { - while (this.length < size) { - this.words[this.length++] = 0; - } - return this; - }; - - // Remove leading `0` from `this` - BN.prototype.strip = function strip () { - while (this.length > 1 && this.words[this.length - 1] === 0) { - this.length--; - } - return this._normSign(); - }; - - BN.prototype._normSign = function _normSign () { - // -0 = 0 - if (this.length === 1 && this.words[0] === 0) { - this.negative = 0; - } - return this; - }; - - BN.prototype.inspect = function inspect () { - return (this.red ? ''; - }; - - /* - - var zeros = []; - var groupSizes = []; - var groupBases = []; - - var s = ''; - var i = -1; - while (++i < BN.wordSize) { - zeros[i] = s; - s += '0'; - } - groupSizes[0] = 0; - groupSizes[1] = 0; - groupBases[0] = 0; - groupBases[1] = 0; - var base = 2 - 1; - while (++base < 36 + 1) { - var groupSize = 0; - var groupBase = 1; - while (groupBase < (1 << BN.wordSize) / base) { - groupBase *= base; - groupSize += 1; - } - groupSizes[base] = groupSize; - groupBases[base] = groupBase; - } - - */ - - var zeros = [ - '', - '0', - '00', - '000', - '0000', - '00000', - '000000', - '0000000', - '00000000', - '000000000', - '0000000000', - '00000000000', - '000000000000', - '0000000000000', - '00000000000000', - '000000000000000', - '0000000000000000', - '00000000000000000', - '000000000000000000', - '0000000000000000000', - '00000000000000000000', - '000000000000000000000', - '0000000000000000000000', - '00000000000000000000000', - '000000000000000000000000', - '0000000000000000000000000' - ]; - - var groupSizes = [ - 0, 0, - 25, 16, 12, 11, 10, 9, 8, - 8, 7, 7, 7, 7, 6, 6, - 6, 6, 6, 6, 6, 5, 5, - 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5 - ]; - - var groupBases = [ - 0, 0, - 33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216, - 43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625, - 16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632, - 6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149, - 24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176 - ]; - - BN.prototype.toString = function toString (base, padding) { - base = base || 10; - padding = padding | 0 || 1; - - var out; - if (base === 16 || base === 'hex') { - out = ''; - var off = 0; - var carry = 0; - for (var i = 0; i < this.length; i++) { - var w = this.words[i]; - var word = (((w << off) | carry) & 0xffffff).toString(16); - carry = (w >>> (24 - off)) & 0xffffff; - if (carry !== 0 || i !== this.length - 1) { - out = zeros[6 - word.length] + word + out; - } else { - out = word + out; - } - off += 2; - if (off >= 26) { - off -= 26; - i--; - } - } - if (carry !== 0) { - out = carry.toString(16) + out; - } - while (out.length % padding !== 0) { - out = '0' + out; - } - if (this.negative !== 0) { - out = '-' + out; - } - return out; - } - - if (base === (base | 0) && base >= 2 && base <= 36) { - // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base)); - var groupSize = groupSizes[base]; - // var groupBase = Math.pow(base, groupSize); - var groupBase = groupBases[base]; - out = ''; - var c = this.clone(); - c.negative = 0; - while (!c.isZero()) { - var r = c.modn(groupBase).toString(base); - c = c.idivn(groupBase); - - if (!c.isZero()) { - out = zeros[groupSize - r.length] + r + out; - } else { - out = r + out; - } - } - if (this.isZero()) { - out = '0' + out; - } - while (out.length % padding !== 0) { - out = '0' + out; - } - if (this.negative !== 0) { - out = '-' + out; - } - return out; - } - - assert(false, 'Base should be between 2 and 36'); - }; - - BN.prototype.toNumber = function toNumber () { - var ret = this.words[0]; - if (this.length === 2) { - ret += this.words[1] * 0x4000000; - } else if (this.length === 3 && this.words[2] === 0x01) { - // NOTE: at this stage it is known that the top bit is set - ret += 0x10000000000000 + (this.words[1] * 0x4000000); - } else if (this.length > 2) { - assert(false, 'Number can only safely store up to 53 bits'); - } - return (this.negative !== 0) ? -ret : ret; - }; - - BN.prototype.toJSON = function toJSON () { - return this.toString(16); - }; - - BN.prototype.toBuffer = function toBuffer (endian, length) { - assert(typeof Buffer !== 'undefined'); - return this.toArrayLike(Buffer, endian, length); - }; - - BN.prototype.toArray = function toArray (endian, length) { - return this.toArrayLike(Array, endian, length); - }; - - BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) { - var byteLength = this.byteLength(); - var reqLength = length || Math.max(1, byteLength); - assert(byteLength <= reqLength, 'byte array longer than desired length'); - assert(reqLength > 0, 'Requested array length <= 0'); - - this.strip(); - var littleEndian = endian === 'le'; - var res = new ArrayType(reqLength); - - var b, i; - var q = this.clone(); - if (!littleEndian) { - // Assume big-endian - for (i = 0; i < reqLength - byteLength; i++) { - res[i] = 0; - } - - for (i = 0; !q.isZero(); i++) { - b = q.andln(0xff); - q.iushrn(8); - - res[reqLength - i - 1] = b; - } - } else { - for (i = 0; !q.isZero(); i++) { - b = q.andln(0xff); - q.iushrn(8); - - res[i] = b; - } - - for (; i < reqLength; i++) { - res[i] = 0; - } - } - - return res; - }; - - if (Math.clz32) { - BN.prototype._countBits = function _countBits (w) { - return 32 - Math.clz32(w); - }; - } else { - BN.prototype._countBits = function _countBits (w) { - var t = w; - var r = 0; - if (t >= 0x1000) { - r += 13; - t >>>= 13; - } - if (t >= 0x40) { - r += 7; - t >>>= 7; - } - if (t >= 0x8) { - r += 4; - t >>>= 4; - } - if (t >= 0x02) { - r += 2; - t >>>= 2; - } - return r + t; - }; - } - - BN.prototype._zeroBits = function _zeroBits (w) { - // Short-cut - if (w === 0) return 26; - - var t = w; - var r = 0; - if ((t & 0x1fff) === 0) { - r += 13; - t >>>= 13; - } - if ((t & 0x7f) === 0) { - r += 7; - t >>>= 7; - } - if ((t & 0xf) === 0) { - r += 4; - t >>>= 4; - } - if ((t & 0x3) === 0) { - r += 2; - t >>>= 2; - } - if ((t & 0x1) === 0) { - r++; - } - return r; - }; - - // Return number of used bits in a BN - BN.prototype.bitLength = function bitLength () { - var w = this.words[this.length - 1]; - var hi = this._countBits(w); - return (this.length - 1) * 26 + hi; - }; - - function toBitArray (num) { - var w = new Array(num.bitLength()); - - for (var bit = 0; bit < w.length; bit++) { - var off = (bit / 26) | 0; - var wbit = bit % 26; - - w[bit] = (num.words[off] & (1 << wbit)) >>> wbit; - } - - return w; - } - - // Number of trailing zero bits - BN.prototype.zeroBits = function zeroBits () { - if (this.isZero()) return 0; - - var r = 0; - for (var i = 0; i < this.length; i++) { - var b = this._zeroBits(this.words[i]); - r += b; - if (b !== 26) break; - } - return r; - }; - - BN.prototype.byteLength = function byteLength () { - return Math.ceil(this.bitLength() / 8); - }; - - BN.prototype.toTwos = function toTwos (width) { - if (this.negative !== 0) { - return this.abs().inotn(width).iaddn(1); - } - return this.clone(); - }; - - BN.prototype.fromTwos = function fromTwos (width) { - if (this.testn(width - 1)) { - return this.notn(width).iaddn(1).ineg(); - } - return this.clone(); - }; - - BN.prototype.isNeg = function isNeg () { - return this.negative !== 0; - }; - - // Return negative clone of `this` - BN.prototype.neg = function neg () { - return this.clone().ineg(); - }; - - BN.prototype.ineg = function ineg () { - if (!this.isZero()) { - this.negative ^= 1; - } - - return this; - }; - - // Or `num` with `this` in-place - BN.prototype.iuor = function iuor (num) { - while (this.length < num.length) { - this.words[this.length++] = 0; - } - - for (var i = 0; i < num.length; i++) { - this.words[i] = this.words[i] | num.words[i]; - } - - return this.strip(); - }; - - BN.prototype.ior = function ior (num) { - assert((this.negative | num.negative) === 0); - return this.iuor(num); - }; - - // Or `num` with `this` - BN.prototype.or = function or (num) { - if (this.length > num.length) return this.clone().ior(num); - return num.clone().ior(this); - }; - - BN.prototype.uor = function uor (num) { - if (this.length > num.length) return this.clone().iuor(num); - return num.clone().iuor(this); - }; - - // And `num` with `this` in-place - BN.prototype.iuand = function iuand (num) { - // b = min-length(num, this) - var b; - if (this.length > num.length) { - b = num; - } else { - b = this; - } - - for (var i = 0; i < b.length; i++) { - this.words[i] = this.words[i] & num.words[i]; - } - - this.length = b.length; - - return this.strip(); - }; - - BN.prototype.iand = function iand (num) { - assert((this.negative | num.negative) === 0); - return this.iuand(num); - }; - - // And `num` with `this` - BN.prototype.and = function and (num) { - if (this.length > num.length) return this.clone().iand(num); - return num.clone().iand(this); - }; - - BN.prototype.uand = function uand (num) { - if (this.length > num.length) return this.clone().iuand(num); - return num.clone().iuand(this); - }; - - // Xor `num` with `this` in-place - BN.prototype.iuxor = function iuxor (num) { - // a.length > b.length - var a; - var b; - if (this.length > num.length) { - a = this; - b = num; - } else { - a = num; - b = this; - } - - for (var i = 0; i < b.length; i++) { - this.words[i] = a.words[i] ^ b.words[i]; - } - - if (this !== a) { - for (; i < a.length; i++) { - this.words[i] = a.words[i]; - } - } - - this.length = a.length; - - return this.strip(); - }; - - BN.prototype.ixor = function ixor (num) { - assert((this.negative | num.negative) === 0); - return this.iuxor(num); - }; - - // Xor `num` with `this` - BN.prototype.xor = function xor (num) { - if (this.length > num.length) return this.clone().ixor(num); - return num.clone().ixor(this); - }; - - BN.prototype.uxor = function uxor (num) { - if (this.length > num.length) return this.clone().iuxor(num); - return num.clone().iuxor(this); - }; - - // Not ``this`` with ``width`` bitwidth - BN.prototype.inotn = function inotn (width) { - assert(typeof width === 'number' && width >= 0); - - var bytesNeeded = Math.ceil(width / 26) | 0; - var bitsLeft = width % 26; - - // Extend the buffer with leading zeroes - this._expand(bytesNeeded); - - if (bitsLeft > 0) { - bytesNeeded--; - } - - // Handle complete words - for (var i = 0; i < bytesNeeded; i++) { - this.words[i] = ~this.words[i] & 0x3ffffff; - } - - // Handle the residue - if (bitsLeft > 0) { - this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft)); - } - - // And remove leading zeroes - return this.strip(); - }; - - BN.prototype.notn = function notn (width) { - return this.clone().inotn(width); - }; - - // Set `bit` of `this` - BN.prototype.setn = function setn (bit, val) { - assert(typeof bit === 'number' && bit >= 0); - - var off = (bit / 26) | 0; - var wbit = bit % 26; - - this._expand(off + 1); - - if (val) { - this.words[off] = this.words[off] | (1 << wbit); - } else { - this.words[off] = this.words[off] & ~(1 << wbit); - } - - return this.strip(); - }; - - // Add `num` to `this` in-place - BN.prototype.iadd = function iadd (num) { - var r; - - // negative + positive - if (this.negative !== 0 && num.negative === 0) { - this.negative = 0; - r = this.isub(num); - this.negative ^= 1; - return this._normSign(); - - // positive + negative - } else if (this.negative === 0 && num.negative !== 0) { - num.negative = 0; - r = this.isub(num); - num.negative = 1; - return r._normSign(); - } - - // a.length > b.length - var a, b; - if (this.length > num.length) { - a = this; - b = num; - } else { - a = num; - b = this; - } - - var carry = 0; - for (var i = 0; i < b.length; i++) { - r = (a.words[i] | 0) + (b.words[i] | 0) + carry; - this.words[i] = r & 0x3ffffff; - carry = r >>> 26; - } - for (; carry !== 0 && i < a.length; i++) { - r = (a.words[i] | 0) + carry; - this.words[i] = r & 0x3ffffff; - carry = r >>> 26; - } - - this.length = a.length; - if (carry !== 0) { - this.words[this.length] = carry; - this.length++; - // Copy the rest of the words - } else if (a !== this) { - for (; i < a.length; i++) { - this.words[i] = a.words[i]; - } - } - - return this; - }; - - // Add `num` to `this` - BN.prototype.add = function add (num) { - var res; - if (num.negative !== 0 && this.negative === 0) { - num.negative = 0; - res = this.sub(num); - num.negative ^= 1; - return res; - } else if (num.negative === 0 && this.negative !== 0) { - this.negative = 0; - res = num.sub(this); - this.negative = 1; - return res; - } - - if (this.length > num.length) return this.clone().iadd(num); - - return num.clone().iadd(this); - }; - - // Subtract `num` from `this` in-place - BN.prototype.isub = function isub (num) { - // this - (-num) = this + num - if (num.negative !== 0) { - num.negative = 0; - var r = this.iadd(num); - num.negative = 1; - return r._normSign(); - - // -this - num = -(this + num) - } else if (this.negative !== 0) { - this.negative = 0; - this.iadd(num); - this.negative = 1; - return this._normSign(); - } - - // At this point both numbers are positive - var cmp = this.cmp(num); - - // Optimization - zeroify - if (cmp === 0) { - this.negative = 0; - this.length = 1; - this.words[0] = 0; - return this; - } - - // a > b - var a, b; - if (cmp > 0) { - a = this; - b = num; - } else { - a = num; - b = this; - } - - var carry = 0; - for (var i = 0; i < b.length; i++) { - r = (a.words[i] | 0) - (b.words[i] | 0) + carry; - carry = r >> 26; - this.words[i] = r & 0x3ffffff; - } - for (; carry !== 0 && i < a.length; i++) { - r = (a.words[i] | 0) + carry; - carry = r >> 26; - this.words[i] = r & 0x3ffffff; - } - - // Copy rest of the words - if (carry === 0 && i < a.length && a !== this) { - for (; i < a.length; i++) { - this.words[i] = a.words[i]; - } - } - - this.length = Math.max(this.length, i); - - if (a !== this) { - this.negative = 1; - } - - return this.strip(); - }; - - // Subtract `num` from `this` - BN.prototype.sub = function sub (num) { - return this.clone().isub(num); - }; - - function smallMulTo (self, num, out) { - out.negative = num.negative ^ self.negative; - var len = (self.length + num.length) | 0; - out.length = len; - len = (len - 1) | 0; - - // Peel one iteration (compiler can't do it, because of code complexity) - var a = self.words[0] | 0; - var b = num.words[0] | 0; - var r = a * b; - - var lo = r & 0x3ffffff; - var carry = (r / 0x4000000) | 0; - out.words[0] = lo; - - for (var k = 1; k < len; k++) { - // Sum all words with the same `i + j = k` and accumulate `ncarry`, - // note that ncarry could be >= 0x3ffffff - var ncarry = carry >>> 26; - var rword = carry & 0x3ffffff; - var maxJ = Math.min(k, num.length - 1); - for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { - var i = (k - j) | 0; - a = self.words[i] | 0; - b = num.words[j] | 0; - r = a * b + rword; - ncarry += (r / 0x4000000) | 0; - rword = r & 0x3ffffff; - } - out.words[k] = rword | 0; - carry = ncarry | 0; - } - if (carry !== 0) { - out.words[k] = carry | 0; - } else { - out.length--; - } - - return out.strip(); - } - - // TODO(indutny): it may be reasonable to omit it for users who don't need - // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit - // multiplication (like elliptic secp256k1). - var comb10MulTo = function comb10MulTo (self, num, out) { - var a = self.words; - var b = num.words; - var o = out.words; - var c = 0; - var lo; - var mid; - var hi; - var a0 = a[0] | 0; - var al0 = a0 & 0x1fff; - var ah0 = a0 >>> 13; - var a1 = a[1] | 0; - var al1 = a1 & 0x1fff; - var ah1 = a1 >>> 13; - var a2 = a[2] | 0; - var al2 = a2 & 0x1fff; - var ah2 = a2 >>> 13; - var a3 = a[3] | 0; - var al3 = a3 & 0x1fff; - var ah3 = a3 >>> 13; - var a4 = a[4] | 0; - var al4 = a4 & 0x1fff; - var ah4 = a4 >>> 13; - var a5 = a[5] | 0; - var al5 = a5 & 0x1fff; - var ah5 = a5 >>> 13; - var a6 = a[6] | 0; - var al6 = a6 & 0x1fff; - var ah6 = a6 >>> 13; - var a7 = a[7] | 0; - var al7 = a7 & 0x1fff; - var ah7 = a7 >>> 13; - var a8 = a[8] | 0; - var al8 = a8 & 0x1fff; - var ah8 = a8 >>> 13; - var a9 = a[9] | 0; - var al9 = a9 & 0x1fff; - var ah9 = a9 >>> 13; - var b0 = b[0] | 0; - var bl0 = b0 & 0x1fff; - var bh0 = b0 >>> 13; - var b1 = b[1] | 0; - var bl1 = b1 & 0x1fff; - var bh1 = b1 >>> 13; - var b2 = b[2] | 0; - var bl2 = b2 & 0x1fff; - var bh2 = b2 >>> 13; - var b3 = b[3] | 0; - var bl3 = b3 & 0x1fff; - var bh3 = b3 >>> 13; - var b4 = b[4] | 0; - var bl4 = b4 & 0x1fff; - var bh4 = b4 >>> 13; - var b5 = b[5] | 0; - var bl5 = b5 & 0x1fff; - var bh5 = b5 >>> 13; - var b6 = b[6] | 0; - var bl6 = b6 & 0x1fff; - var bh6 = b6 >>> 13; - var b7 = b[7] | 0; - var bl7 = b7 & 0x1fff; - var bh7 = b7 >>> 13; - var b8 = b[8] | 0; - var bl8 = b8 & 0x1fff; - var bh8 = b8 >>> 13; - var b9 = b[9] | 0; - var bl9 = b9 & 0x1fff; - var bh9 = b9 >>> 13; - - out.negative = self.negative ^ num.negative; - out.length = 19; - /* k = 0 */ - lo = Math.imul(al0, bl0); - mid = Math.imul(al0, bh0); - mid = (mid + Math.imul(ah0, bl0)) | 0; - hi = Math.imul(ah0, bh0); - var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0; - w0 &= 0x3ffffff; - /* k = 1 */ - lo = Math.imul(al1, bl0); - mid = Math.imul(al1, bh0); - mid = (mid + Math.imul(ah1, bl0)) | 0; - hi = Math.imul(ah1, bh0); - lo = (lo + Math.imul(al0, bl1)) | 0; - mid = (mid + Math.imul(al0, bh1)) | 0; - mid = (mid + Math.imul(ah0, bl1)) | 0; - hi = (hi + Math.imul(ah0, bh1)) | 0; - var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0; - w1 &= 0x3ffffff; - /* k = 2 */ - lo = Math.imul(al2, bl0); - mid = Math.imul(al2, bh0); - mid = (mid + Math.imul(ah2, bl0)) | 0; - hi = Math.imul(ah2, bh0); - lo = (lo + Math.imul(al1, bl1)) | 0; - mid = (mid + Math.imul(al1, bh1)) | 0; - mid = (mid + Math.imul(ah1, bl1)) | 0; - hi = (hi + Math.imul(ah1, bh1)) | 0; - lo = (lo + Math.imul(al0, bl2)) | 0; - mid = (mid + Math.imul(al0, bh2)) | 0; - mid = (mid + Math.imul(ah0, bl2)) | 0; - hi = (hi + Math.imul(ah0, bh2)) | 0; - var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0; - w2 &= 0x3ffffff; - /* k = 3 */ - lo = Math.imul(al3, bl0); - mid = Math.imul(al3, bh0); - mid = (mid + Math.imul(ah3, bl0)) | 0; - hi = Math.imul(ah3, bh0); - lo = (lo + Math.imul(al2, bl1)) | 0; - mid = (mid + Math.imul(al2, bh1)) | 0; - mid = (mid + Math.imul(ah2, bl1)) | 0; - hi = (hi + Math.imul(ah2, bh1)) | 0; - lo = (lo + Math.imul(al1, bl2)) | 0; - mid = (mid + Math.imul(al1, bh2)) | 0; - mid = (mid + Math.imul(ah1, bl2)) | 0; - hi = (hi + Math.imul(ah1, bh2)) | 0; - lo = (lo + Math.imul(al0, bl3)) | 0; - mid = (mid + Math.imul(al0, bh3)) | 0; - mid = (mid + Math.imul(ah0, bl3)) | 0; - hi = (hi + Math.imul(ah0, bh3)) | 0; - var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0; - w3 &= 0x3ffffff; - /* k = 4 */ - lo = Math.imul(al4, bl0); - mid = Math.imul(al4, bh0); - mid = (mid + Math.imul(ah4, bl0)) | 0; - hi = Math.imul(ah4, bh0); - lo = (lo + Math.imul(al3, bl1)) | 0; - mid = (mid + Math.imul(al3, bh1)) | 0; - mid = (mid + Math.imul(ah3, bl1)) | 0; - hi = (hi + Math.imul(ah3, bh1)) | 0; - lo = (lo + Math.imul(al2, bl2)) | 0; - mid = (mid + Math.imul(al2, bh2)) | 0; - mid = (mid + Math.imul(ah2, bl2)) | 0; - hi = (hi + Math.imul(ah2, bh2)) | 0; - lo = (lo + Math.imul(al1, bl3)) | 0; - mid = (mid + Math.imul(al1, bh3)) | 0; - mid = (mid + Math.imul(ah1, bl3)) | 0; - hi = (hi + Math.imul(ah1, bh3)) | 0; - lo = (lo + Math.imul(al0, bl4)) | 0; - mid = (mid + Math.imul(al0, bh4)) | 0; - mid = (mid + Math.imul(ah0, bl4)) | 0; - hi = (hi + Math.imul(ah0, bh4)) | 0; - var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0; - w4 &= 0x3ffffff; - /* k = 5 */ - lo = Math.imul(al5, bl0); - mid = Math.imul(al5, bh0); - mid = (mid + Math.imul(ah5, bl0)) | 0; - hi = Math.imul(ah5, bh0); - lo = (lo + Math.imul(al4, bl1)) | 0; - mid = (mid + Math.imul(al4, bh1)) | 0; - mid = (mid + Math.imul(ah4, bl1)) | 0; - hi = (hi + Math.imul(ah4, bh1)) | 0; - lo = (lo + Math.imul(al3, bl2)) | 0; - mid = (mid + Math.imul(al3, bh2)) | 0; - mid = (mid + Math.imul(ah3, bl2)) | 0; - hi = (hi + Math.imul(ah3, bh2)) | 0; - lo = (lo + Math.imul(al2, bl3)) | 0; - mid = (mid + Math.imul(al2, bh3)) | 0; - mid = (mid + Math.imul(ah2, bl3)) | 0; - hi = (hi + Math.imul(ah2, bh3)) | 0; - lo = (lo + Math.imul(al1, bl4)) | 0; - mid = (mid + Math.imul(al1, bh4)) | 0; - mid = (mid + Math.imul(ah1, bl4)) | 0; - hi = (hi + Math.imul(ah1, bh4)) | 0; - lo = (lo + Math.imul(al0, bl5)) | 0; - mid = (mid + Math.imul(al0, bh5)) | 0; - mid = (mid + Math.imul(ah0, bl5)) | 0; - hi = (hi + Math.imul(ah0, bh5)) | 0; - var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0; - w5 &= 0x3ffffff; - /* k = 6 */ - lo = Math.imul(al6, bl0); - mid = Math.imul(al6, bh0); - mid = (mid + Math.imul(ah6, bl0)) | 0; - hi = Math.imul(ah6, bh0); - lo = (lo + Math.imul(al5, bl1)) | 0; - mid = (mid + Math.imul(al5, bh1)) | 0; - mid = (mid + Math.imul(ah5, bl1)) | 0; - hi = (hi + Math.imul(ah5, bh1)) | 0; - lo = (lo + Math.imul(al4, bl2)) | 0; - mid = (mid + Math.imul(al4, bh2)) | 0; - mid = (mid + Math.imul(ah4, bl2)) | 0; - hi = (hi + Math.imul(ah4, bh2)) | 0; - lo = (lo + Math.imul(al3, bl3)) | 0; - mid = (mid + Math.imul(al3, bh3)) | 0; - mid = (mid + Math.imul(ah3, bl3)) | 0; - hi = (hi + Math.imul(ah3, bh3)) | 0; - lo = (lo + Math.imul(al2, bl4)) | 0; - mid = (mid + Math.imul(al2, bh4)) | 0; - mid = (mid + Math.imul(ah2, bl4)) | 0; - hi = (hi + Math.imul(ah2, bh4)) | 0; - lo = (lo + Math.imul(al1, bl5)) | 0; - mid = (mid + Math.imul(al1, bh5)) | 0; - mid = (mid + Math.imul(ah1, bl5)) | 0; - hi = (hi + Math.imul(ah1, bh5)) | 0; - lo = (lo + Math.imul(al0, bl6)) | 0; - mid = (mid + Math.imul(al0, bh6)) | 0; - mid = (mid + Math.imul(ah0, bl6)) | 0; - hi = (hi + Math.imul(ah0, bh6)) | 0; - var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0; - w6 &= 0x3ffffff; - /* k = 7 */ - lo = Math.imul(al7, bl0); - mid = Math.imul(al7, bh0); - mid = (mid + Math.imul(ah7, bl0)) | 0; - hi = Math.imul(ah7, bh0); - lo = (lo + Math.imul(al6, bl1)) | 0; - mid = (mid + Math.imul(al6, bh1)) | 0; - mid = (mid + Math.imul(ah6, bl1)) | 0; - hi = (hi + Math.imul(ah6, bh1)) | 0; - lo = (lo + Math.imul(al5, bl2)) | 0; - mid = (mid + Math.imul(al5, bh2)) | 0; - mid = (mid + Math.imul(ah5, bl2)) | 0; - hi = (hi + Math.imul(ah5, bh2)) | 0; - lo = (lo + Math.imul(al4, bl3)) | 0; - mid = (mid + Math.imul(al4, bh3)) | 0; - mid = (mid + Math.imul(ah4, bl3)) | 0; - hi = (hi + Math.imul(ah4, bh3)) | 0; - lo = (lo + Math.imul(al3, bl4)) | 0; - mid = (mid + Math.imul(al3, bh4)) | 0; - mid = (mid + Math.imul(ah3, bl4)) | 0; - hi = (hi + Math.imul(ah3, bh4)) | 0; - lo = (lo + Math.imul(al2, bl5)) | 0; - mid = (mid + Math.imul(al2, bh5)) | 0; - mid = (mid + Math.imul(ah2, bl5)) | 0; - hi = (hi + Math.imul(ah2, bh5)) | 0; - lo = (lo + Math.imul(al1, bl6)) | 0; - mid = (mid + Math.imul(al1, bh6)) | 0; - mid = (mid + Math.imul(ah1, bl6)) | 0; - hi = (hi + Math.imul(ah1, bh6)) | 0; - lo = (lo + Math.imul(al0, bl7)) | 0; - mid = (mid + Math.imul(al0, bh7)) | 0; - mid = (mid + Math.imul(ah0, bl7)) | 0; - hi = (hi + Math.imul(ah0, bh7)) | 0; - var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0; - w7 &= 0x3ffffff; - /* k = 8 */ - lo = Math.imul(al8, bl0); - mid = Math.imul(al8, bh0); - mid = (mid + Math.imul(ah8, bl0)) | 0; - hi = Math.imul(ah8, bh0); - lo = (lo + Math.imul(al7, bl1)) | 0; - mid = (mid + Math.imul(al7, bh1)) | 0; - mid = (mid + Math.imul(ah7, bl1)) | 0; - hi = (hi + Math.imul(ah7, bh1)) | 0; - lo = (lo + Math.imul(al6, bl2)) | 0; - mid = (mid + Math.imul(al6, bh2)) | 0; - mid = (mid + Math.imul(ah6, bl2)) | 0; - hi = (hi + Math.imul(ah6, bh2)) | 0; - lo = (lo + Math.imul(al5, bl3)) | 0; - mid = (mid + Math.imul(al5, bh3)) | 0; - mid = (mid + Math.imul(ah5, bl3)) | 0; - hi = (hi + Math.imul(ah5, bh3)) | 0; - lo = (lo + Math.imul(al4, bl4)) | 0; - mid = (mid + Math.imul(al4, bh4)) | 0; - mid = (mid + Math.imul(ah4, bl4)) | 0; - hi = (hi + Math.imul(ah4, bh4)) | 0; - lo = (lo + Math.imul(al3, bl5)) | 0; - mid = (mid + Math.imul(al3, bh5)) | 0; - mid = (mid + Math.imul(ah3, bl5)) | 0; - hi = (hi + Math.imul(ah3, bh5)) | 0; - lo = (lo + Math.imul(al2, bl6)) | 0; - mid = (mid + Math.imul(al2, bh6)) | 0; - mid = (mid + Math.imul(ah2, bl6)) | 0; - hi = (hi + Math.imul(ah2, bh6)) | 0; - lo = (lo + Math.imul(al1, bl7)) | 0; - mid = (mid + Math.imul(al1, bh7)) | 0; - mid = (mid + Math.imul(ah1, bl7)) | 0; - hi = (hi + Math.imul(ah1, bh7)) | 0; - lo = (lo + Math.imul(al0, bl8)) | 0; - mid = (mid + Math.imul(al0, bh8)) | 0; - mid = (mid + Math.imul(ah0, bl8)) | 0; - hi = (hi + Math.imul(ah0, bh8)) | 0; - var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0; - w8 &= 0x3ffffff; - /* k = 9 */ - lo = Math.imul(al9, bl0); - mid = Math.imul(al9, bh0); - mid = (mid + Math.imul(ah9, bl0)) | 0; - hi = Math.imul(ah9, bh0); - lo = (lo + Math.imul(al8, bl1)) | 0; - mid = (mid + Math.imul(al8, bh1)) | 0; - mid = (mid + Math.imul(ah8, bl1)) | 0; - hi = (hi + Math.imul(ah8, bh1)) | 0; - lo = (lo + Math.imul(al7, bl2)) | 0; - mid = (mid + Math.imul(al7, bh2)) | 0; - mid = (mid + Math.imul(ah7, bl2)) | 0; - hi = (hi + Math.imul(ah7, bh2)) | 0; - lo = (lo + Math.imul(al6, bl3)) | 0; - mid = (mid + Math.imul(al6, bh3)) | 0; - mid = (mid + Math.imul(ah6, bl3)) | 0; - hi = (hi + Math.imul(ah6, bh3)) | 0; - lo = (lo + Math.imul(al5, bl4)) | 0; - mid = (mid + Math.imul(al5, bh4)) | 0; - mid = (mid + Math.imul(ah5, bl4)) | 0; - hi = (hi + Math.imul(ah5, bh4)) | 0; - lo = (lo + Math.imul(al4, bl5)) | 0; - mid = (mid + Math.imul(al4, bh5)) | 0; - mid = (mid + Math.imul(ah4, bl5)) | 0; - hi = (hi + Math.imul(ah4, bh5)) | 0; - lo = (lo + Math.imul(al3, bl6)) | 0; - mid = (mid + Math.imul(al3, bh6)) | 0; - mid = (mid + Math.imul(ah3, bl6)) | 0; - hi = (hi + Math.imul(ah3, bh6)) | 0; - lo = (lo + Math.imul(al2, bl7)) | 0; - mid = (mid + Math.imul(al2, bh7)) | 0; - mid = (mid + Math.imul(ah2, bl7)) | 0; - hi = (hi + Math.imul(ah2, bh7)) | 0; - lo = (lo + Math.imul(al1, bl8)) | 0; - mid = (mid + Math.imul(al1, bh8)) | 0; - mid = (mid + Math.imul(ah1, bl8)) | 0; - hi = (hi + Math.imul(ah1, bh8)) | 0; - lo = (lo + Math.imul(al0, bl9)) | 0; - mid = (mid + Math.imul(al0, bh9)) | 0; - mid = (mid + Math.imul(ah0, bl9)) | 0; - hi = (hi + Math.imul(ah0, bh9)) | 0; - var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0; - w9 &= 0x3ffffff; - /* k = 10 */ - lo = Math.imul(al9, bl1); - mid = Math.imul(al9, bh1); - mid = (mid + Math.imul(ah9, bl1)) | 0; - hi = Math.imul(ah9, bh1); - lo = (lo + Math.imul(al8, bl2)) | 0; - mid = (mid + Math.imul(al8, bh2)) | 0; - mid = (mid + Math.imul(ah8, bl2)) | 0; - hi = (hi + Math.imul(ah8, bh2)) | 0; - lo = (lo + Math.imul(al7, bl3)) | 0; - mid = (mid + Math.imul(al7, bh3)) | 0; - mid = (mid + Math.imul(ah7, bl3)) | 0; - hi = (hi + Math.imul(ah7, bh3)) | 0; - lo = (lo + Math.imul(al6, bl4)) | 0; - mid = (mid + Math.imul(al6, bh4)) | 0; - mid = (mid + Math.imul(ah6, bl4)) | 0; - hi = (hi + Math.imul(ah6, bh4)) | 0; - lo = (lo + Math.imul(al5, bl5)) | 0; - mid = (mid + Math.imul(al5, bh5)) | 0; - mid = (mid + Math.imul(ah5, bl5)) | 0; - hi = (hi + Math.imul(ah5, bh5)) | 0; - lo = (lo + Math.imul(al4, bl6)) | 0; - mid = (mid + Math.imul(al4, bh6)) | 0; - mid = (mid + Math.imul(ah4, bl6)) | 0; - hi = (hi + Math.imul(ah4, bh6)) | 0; - lo = (lo + Math.imul(al3, bl7)) | 0; - mid = (mid + Math.imul(al3, bh7)) | 0; - mid = (mid + Math.imul(ah3, bl7)) | 0; - hi = (hi + Math.imul(ah3, bh7)) | 0; - lo = (lo + Math.imul(al2, bl8)) | 0; - mid = (mid + Math.imul(al2, bh8)) | 0; - mid = (mid + Math.imul(ah2, bl8)) | 0; - hi = (hi + Math.imul(ah2, bh8)) | 0; - lo = (lo + Math.imul(al1, bl9)) | 0; - mid = (mid + Math.imul(al1, bh9)) | 0; - mid = (mid + Math.imul(ah1, bl9)) | 0; - hi = (hi + Math.imul(ah1, bh9)) | 0; - var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0; - w10 &= 0x3ffffff; - /* k = 11 */ - lo = Math.imul(al9, bl2); - mid = Math.imul(al9, bh2); - mid = (mid + Math.imul(ah9, bl2)) | 0; - hi = Math.imul(ah9, bh2); - lo = (lo + Math.imul(al8, bl3)) | 0; - mid = (mid + Math.imul(al8, bh3)) | 0; - mid = (mid + Math.imul(ah8, bl3)) | 0; - hi = (hi + Math.imul(ah8, bh3)) | 0; - lo = (lo + Math.imul(al7, bl4)) | 0; - mid = (mid + Math.imul(al7, bh4)) | 0; - mid = (mid + Math.imul(ah7, bl4)) | 0; - hi = (hi + Math.imul(ah7, bh4)) | 0; - lo = (lo + Math.imul(al6, bl5)) | 0; - mid = (mid + Math.imul(al6, bh5)) | 0; - mid = (mid + Math.imul(ah6, bl5)) | 0; - hi = (hi + Math.imul(ah6, bh5)) | 0; - lo = (lo + Math.imul(al5, bl6)) | 0; - mid = (mid + Math.imul(al5, bh6)) | 0; - mid = (mid + Math.imul(ah5, bl6)) | 0; - hi = (hi + Math.imul(ah5, bh6)) | 0; - lo = (lo + Math.imul(al4, bl7)) | 0; - mid = (mid + Math.imul(al4, bh7)) | 0; - mid = (mid + Math.imul(ah4, bl7)) | 0; - hi = (hi + Math.imul(ah4, bh7)) | 0; - lo = (lo + Math.imul(al3, bl8)) | 0; - mid = (mid + Math.imul(al3, bh8)) | 0; - mid = (mid + Math.imul(ah3, bl8)) | 0; - hi = (hi + Math.imul(ah3, bh8)) | 0; - lo = (lo + Math.imul(al2, bl9)) | 0; - mid = (mid + Math.imul(al2, bh9)) | 0; - mid = (mid + Math.imul(ah2, bl9)) | 0; - hi = (hi + Math.imul(ah2, bh9)) | 0; - var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0; - w11 &= 0x3ffffff; - /* k = 12 */ - lo = Math.imul(al9, bl3); - mid = Math.imul(al9, bh3); - mid = (mid + Math.imul(ah9, bl3)) | 0; - hi = Math.imul(ah9, bh3); - lo = (lo + Math.imul(al8, bl4)) | 0; - mid = (mid + Math.imul(al8, bh4)) | 0; - mid = (mid + Math.imul(ah8, bl4)) | 0; - hi = (hi + Math.imul(ah8, bh4)) | 0; - lo = (lo + Math.imul(al7, bl5)) | 0; - mid = (mid + Math.imul(al7, bh5)) | 0; - mid = (mid + Math.imul(ah7, bl5)) | 0; - hi = (hi + Math.imul(ah7, bh5)) | 0; - lo = (lo + Math.imul(al6, bl6)) | 0; - mid = (mid + Math.imul(al6, bh6)) | 0; - mid = (mid + Math.imul(ah6, bl6)) | 0; - hi = (hi + Math.imul(ah6, bh6)) | 0; - lo = (lo + Math.imul(al5, bl7)) | 0; - mid = (mid + Math.imul(al5, bh7)) | 0; - mid = (mid + Math.imul(ah5, bl7)) | 0; - hi = (hi + Math.imul(ah5, bh7)) | 0; - lo = (lo + Math.imul(al4, bl8)) | 0; - mid = (mid + Math.imul(al4, bh8)) | 0; - mid = (mid + Math.imul(ah4, bl8)) | 0; - hi = (hi + Math.imul(ah4, bh8)) | 0; - lo = (lo + Math.imul(al3, bl9)) | 0; - mid = (mid + Math.imul(al3, bh9)) | 0; - mid = (mid + Math.imul(ah3, bl9)) | 0; - hi = (hi + Math.imul(ah3, bh9)) | 0; - var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0; - w12 &= 0x3ffffff; - /* k = 13 */ - lo = Math.imul(al9, bl4); - mid = Math.imul(al9, bh4); - mid = (mid + Math.imul(ah9, bl4)) | 0; - hi = Math.imul(ah9, bh4); - lo = (lo + Math.imul(al8, bl5)) | 0; - mid = (mid + Math.imul(al8, bh5)) | 0; - mid = (mid + Math.imul(ah8, bl5)) | 0; - hi = (hi + Math.imul(ah8, bh5)) | 0; - lo = (lo + Math.imul(al7, bl6)) | 0; - mid = (mid + Math.imul(al7, bh6)) | 0; - mid = (mid + Math.imul(ah7, bl6)) | 0; - hi = (hi + Math.imul(ah7, bh6)) | 0; - lo = (lo + Math.imul(al6, bl7)) | 0; - mid = (mid + Math.imul(al6, bh7)) | 0; - mid = (mid + Math.imul(ah6, bl7)) | 0; - hi = (hi + Math.imul(ah6, bh7)) | 0; - lo = (lo + Math.imul(al5, bl8)) | 0; - mid = (mid + Math.imul(al5, bh8)) | 0; - mid = (mid + Math.imul(ah5, bl8)) | 0; - hi = (hi + Math.imul(ah5, bh8)) | 0; - lo = (lo + Math.imul(al4, bl9)) | 0; - mid = (mid + Math.imul(al4, bh9)) | 0; - mid = (mid + Math.imul(ah4, bl9)) | 0; - hi = (hi + Math.imul(ah4, bh9)) | 0; - var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0; - w13 &= 0x3ffffff; - /* k = 14 */ - lo = Math.imul(al9, bl5); - mid = Math.imul(al9, bh5); - mid = (mid + Math.imul(ah9, bl5)) | 0; - hi = Math.imul(ah9, bh5); - lo = (lo + Math.imul(al8, bl6)) | 0; - mid = (mid + Math.imul(al8, bh6)) | 0; - mid = (mid + Math.imul(ah8, bl6)) | 0; - hi = (hi + Math.imul(ah8, bh6)) | 0; - lo = (lo + Math.imul(al7, bl7)) | 0; - mid = (mid + Math.imul(al7, bh7)) | 0; - mid = (mid + Math.imul(ah7, bl7)) | 0; - hi = (hi + Math.imul(ah7, bh7)) | 0; - lo = (lo + Math.imul(al6, bl8)) | 0; - mid = (mid + Math.imul(al6, bh8)) | 0; - mid = (mid + Math.imul(ah6, bl8)) | 0; - hi = (hi + Math.imul(ah6, bh8)) | 0; - lo = (lo + Math.imul(al5, bl9)) | 0; - mid = (mid + Math.imul(al5, bh9)) | 0; - mid = (mid + Math.imul(ah5, bl9)) | 0; - hi = (hi + Math.imul(ah5, bh9)) | 0; - var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0; - w14 &= 0x3ffffff; - /* k = 15 */ - lo = Math.imul(al9, bl6); - mid = Math.imul(al9, bh6); - mid = (mid + Math.imul(ah9, bl6)) | 0; - hi = Math.imul(ah9, bh6); - lo = (lo + Math.imul(al8, bl7)) | 0; - mid = (mid + Math.imul(al8, bh7)) | 0; - mid = (mid + Math.imul(ah8, bl7)) | 0; - hi = (hi + Math.imul(ah8, bh7)) | 0; - lo = (lo + Math.imul(al7, bl8)) | 0; - mid = (mid + Math.imul(al7, bh8)) | 0; - mid = (mid + Math.imul(ah7, bl8)) | 0; - hi = (hi + Math.imul(ah7, bh8)) | 0; - lo = (lo + Math.imul(al6, bl9)) | 0; - mid = (mid + Math.imul(al6, bh9)) | 0; - mid = (mid + Math.imul(ah6, bl9)) | 0; - hi = (hi + Math.imul(ah6, bh9)) | 0; - var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0; - w15 &= 0x3ffffff; - /* k = 16 */ - lo = Math.imul(al9, bl7); - mid = Math.imul(al9, bh7); - mid = (mid + Math.imul(ah9, bl7)) | 0; - hi = Math.imul(ah9, bh7); - lo = (lo + Math.imul(al8, bl8)) | 0; - mid = (mid + Math.imul(al8, bh8)) | 0; - mid = (mid + Math.imul(ah8, bl8)) | 0; - hi = (hi + Math.imul(ah8, bh8)) | 0; - lo = (lo + Math.imul(al7, bl9)) | 0; - mid = (mid + Math.imul(al7, bh9)) | 0; - mid = (mid + Math.imul(ah7, bl9)) | 0; - hi = (hi + Math.imul(ah7, bh9)) | 0; - var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0; - w16 &= 0x3ffffff; - /* k = 17 */ - lo = Math.imul(al9, bl8); - mid = Math.imul(al9, bh8); - mid = (mid + Math.imul(ah9, bl8)) | 0; - hi = Math.imul(ah9, bh8); - lo = (lo + Math.imul(al8, bl9)) | 0; - mid = (mid + Math.imul(al8, bh9)) | 0; - mid = (mid + Math.imul(ah8, bl9)) | 0; - hi = (hi + Math.imul(ah8, bh9)) | 0; - var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0; - w17 &= 0x3ffffff; - /* k = 18 */ - lo = Math.imul(al9, bl9); - mid = Math.imul(al9, bh9); - mid = (mid + Math.imul(ah9, bl9)) | 0; - hi = Math.imul(ah9, bh9); - var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0; - w18 &= 0x3ffffff; - o[0] = w0; - o[1] = w1; - o[2] = w2; - o[3] = w3; - o[4] = w4; - o[5] = w5; - o[6] = w6; - o[7] = w7; - o[8] = w8; - o[9] = w9; - o[10] = w10; - o[11] = w11; - o[12] = w12; - o[13] = w13; - o[14] = w14; - o[15] = w15; - o[16] = w16; - o[17] = w17; - o[18] = w18; - if (c !== 0) { - o[19] = c; - out.length++; - } - return out; - }; - - // Polyfill comb - if (!Math.imul) { - comb10MulTo = smallMulTo; - } - - function bigMulTo (self, num, out) { - out.negative = num.negative ^ self.negative; - out.length = self.length + num.length; - - var carry = 0; - var hncarry = 0; - for (var k = 0; k < out.length - 1; k++) { - // Sum all words with the same `i + j = k` and accumulate `ncarry`, - // note that ncarry could be >= 0x3ffffff - var ncarry = hncarry; - hncarry = 0; - var rword = carry & 0x3ffffff; - var maxJ = Math.min(k, num.length - 1); - for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { - var i = k - j; - var a = self.words[i] | 0; - var b = num.words[j] | 0; - var r = a * b; - - var lo = r & 0x3ffffff; - ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0; - lo = (lo + rword) | 0; - rword = lo & 0x3ffffff; - ncarry = (ncarry + (lo >>> 26)) | 0; - - hncarry += ncarry >>> 26; - ncarry &= 0x3ffffff; - } - out.words[k] = rword; - carry = ncarry; - ncarry = hncarry; - } - if (carry !== 0) { - out.words[k] = carry; - } else { - out.length--; - } - - return out.strip(); - } - - function jumboMulTo (self, num, out) { - var fftm = new FFTM(); - return fftm.mulp(self, num, out); - } - - BN.prototype.mulTo = function mulTo (num, out) { - var res; - var len = this.length + num.length; - if (this.length === 10 && num.length === 10) { - res = comb10MulTo(this, num, out); - } else if (len < 63) { - res = smallMulTo(this, num, out); - } else if (len < 1024) { - res = bigMulTo(this, num, out); - } else { - res = jumboMulTo(this, num, out); - } - - return res; - }; - - // Cooley-Tukey algorithm for FFT - // slightly revisited to rely on looping instead of recursion - - function FFTM (x, y) { - this.x = x; - this.y = y; - } - - FFTM.prototype.makeRBT = function makeRBT (N) { - var t = new Array(N); - var l = BN.prototype._countBits(N) - 1; - for (var i = 0; i < N; i++) { - t[i] = this.revBin(i, l, N); - } - - return t; - }; - - // Returns binary-reversed representation of `x` - FFTM.prototype.revBin = function revBin (x, l, N) { - if (x === 0 || x === N - 1) return x; - - var rb = 0; - for (var i = 0; i < l; i++) { - rb |= (x & 1) << (l - i - 1); - x >>= 1; - } - - return rb; - }; - - // Performs "tweedling" phase, therefore 'emulating' - // behaviour of the recursive algorithm - FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) { - for (var i = 0; i < N; i++) { - rtws[i] = rws[rbt[i]]; - itws[i] = iws[rbt[i]]; - } - }; - - FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) { - this.permute(rbt, rws, iws, rtws, itws, N); - - for (var s = 1; s < N; s <<= 1) { - var l = s << 1; - - var rtwdf = Math.cos(2 * Math.PI / l); - var itwdf = Math.sin(2 * Math.PI / l); - - for (var p = 0; p < N; p += l) { - var rtwdf_ = rtwdf; - var itwdf_ = itwdf; - - for (var j = 0; j < s; j++) { - var re = rtws[p + j]; - var ie = itws[p + j]; - - var ro = rtws[p + j + s]; - var io = itws[p + j + s]; - - var rx = rtwdf_ * ro - itwdf_ * io; - - io = rtwdf_ * io + itwdf_ * ro; - ro = rx; - - rtws[p + j] = re + ro; - itws[p + j] = ie + io; - - rtws[p + j + s] = re - ro; - itws[p + j + s] = ie - io; - - /* jshint maxdepth : false */ - if (j !== l) { - rx = rtwdf * rtwdf_ - itwdf * itwdf_; - - itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_; - rtwdf_ = rx; - } - } - } - } - }; - - FFTM.prototype.guessLen13b = function guessLen13b (n, m) { - var N = Math.max(m, n) | 1; - var odd = N & 1; - var i = 0; - for (N = N / 2 | 0; N; N = N >>> 1) { - i++; - } - - return 1 << i + 1 + odd; - }; - - FFTM.prototype.conjugate = function conjugate (rws, iws, N) { - if (N <= 1) return; - - for (var i = 0; i < N / 2; i++) { - var t = rws[i]; - - rws[i] = rws[N - i - 1]; - rws[N - i - 1] = t; - - t = iws[i]; - - iws[i] = -iws[N - i - 1]; - iws[N - i - 1] = -t; - } - }; - - FFTM.prototype.normalize13b = function normalize13b (ws, N) { - var carry = 0; - for (var i = 0; i < N / 2; i++) { - var w = Math.round(ws[2 * i + 1] / N) * 0x2000 + - Math.round(ws[2 * i] / N) + - carry; - - ws[i] = w & 0x3ffffff; - - if (w < 0x4000000) { - carry = 0; - } else { - carry = w / 0x4000000 | 0; - } - } - - return ws; - }; - - FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) { - var carry = 0; - for (var i = 0; i < len; i++) { - carry = carry + (ws[i] | 0); - - rws[2 * i] = carry & 0x1fff; carry = carry >>> 13; - rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13; - } - - // Pad with zeroes - for (i = 2 * len; i < N; ++i) { - rws[i] = 0; - } - - assert(carry === 0); - assert((carry & ~0x1fff) === 0); - }; - - FFTM.prototype.stub = function stub (N) { - var ph = new Array(N); - for (var i = 0; i < N; i++) { - ph[i] = 0; - } - - return ph; - }; - - FFTM.prototype.mulp = function mulp (x, y, out) { - var N = 2 * this.guessLen13b(x.length, y.length); - - var rbt = this.makeRBT(N); - - var _ = this.stub(N); - - var rws = new Array(N); - var rwst = new Array(N); - var iwst = new Array(N); - - var nrws = new Array(N); - var nrwst = new Array(N); - var niwst = new Array(N); - - var rmws = out.words; - rmws.length = N; - - this.convert13b(x.words, x.length, rws, N); - this.convert13b(y.words, y.length, nrws, N); - - this.transform(rws, _, rwst, iwst, N, rbt); - this.transform(nrws, _, nrwst, niwst, N, rbt); - - for (var i = 0; i < N; i++) { - var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i]; - iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i]; - rwst[i] = rx; - } - - this.conjugate(rwst, iwst, N); - this.transform(rwst, iwst, rmws, _, N, rbt); - this.conjugate(rmws, _, N); - this.normalize13b(rmws, N); - - out.negative = x.negative ^ y.negative; - out.length = x.length + y.length; - return out.strip(); - }; - - // Multiply `this` by `num` - BN.prototype.mul = function mul (num) { - var out = new BN(null); - out.words = new Array(this.length + num.length); - return this.mulTo(num, out); - }; - - // Multiply employing FFT - BN.prototype.mulf = function mulf (num) { - var out = new BN(null); - out.words = new Array(this.length + num.length); - return jumboMulTo(this, num, out); - }; - - // In-place Multiplication - BN.prototype.imul = function imul (num) { - return this.clone().mulTo(num, this); - }; - - BN.prototype.imuln = function imuln (num) { - assert(typeof num === 'number'); - assert(num < 0x4000000); - - // Carry - var carry = 0; - for (var i = 0; i < this.length; i++) { - var w = (this.words[i] | 0) * num; - var lo = (w & 0x3ffffff) + (carry & 0x3ffffff); - carry >>= 26; - carry += (w / 0x4000000) | 0; - // NOTE: lo is 27bit maximum - carry += lo >>> 26; - this.words[i] = lo & 0x3ffffff; - } - - if (carry !== 0) { - this.words[i] = carry; - this.length++; - } - - return this; - }; - - BN.prototype.muln = function muln (num) { - return this.clone().imuln(num); - }; - - // `this` * `this` - BN.prototype.sqr = function sqr () { - return this.mul(this); - }; - - // `this` * `this` in-place - BN.prototype.isqr = function isqr () { - return this.imul(this.clone()); - }; - - // Math.pow(`this`, `num`) - BN.prototype.pow = function pow (num) { - var w = toBitArray(num); - if (w.length === 0) return new BN(1); - - // Skip leading zeroes - var res = this; - for (var i = 0; i < w.length; i++, res = res.sqr()) { - if (w[i] !== 0) break; - } - - if (++i < w.length) { - for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) { - if (w[i] === 0) continue; - - res = res.mul(q); - } - } - - return res; - }; - - // Shift-left in-place - BN.prototype.iushln = function iushln (bits) { - assert(typeof bits === 'number' && bits >= 0); - var r = bits % 26; - var s = (bits - r) / 26; - var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r); - var i; - - if (r !== 0) { - var carry = 0; - - for (i = 0; i < this.length; i++) { - var newCarry = this.words[i] & carryMask; - var c = ((this.words[i] | 0) - newCarry) << r; - this.words[i] = c | carry; - carry = newCarry >>> (26 - r); - } - - if (carry) { - this.words[i] = carry; - this.length++; - } - } - - if (s !== 0) { - for (i = this.length - 1; i >= 0; i--) { - this.words[i + s] = this.words[i]; - } - - for (i = 0; i < s; i++) { - this.words[i] = 0; - } - - this.length += s; - } - - return this.strip(); - }; - - BN.prototype.ishln = function ishln (bits) { - // TODO(indutny): implement me - assert(this.negative === 0); - return this.iushln(bits); - }; - - // Shift-right in-place - // NOTE: `hint` is a lowest bit before trailing zeroes - // NOTE: if `extended` is present - it will be filled with destroyed bits - BN.prototype.iushrn = function iushrn (bits, hint, extended) { - assert(typeof bits === 'number' && bits >= 0); - var h; - if (hint) { - h = (hint - (hint % 26)) / 26; - } else { - h = 0; - } - - var r = bits % 26; - var s = Math.min((bits - r) / 26, this.length); - var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); - var maskedWords = extended; - - h -= s; - h = Math.max(0, h); - - // Extended mode, copy masked part - if (maskedWords) { - for (var i = 0; i < s; i++) { - maskedWords.words[i] = this.words[i]; - } - maskedWords.length = s; - } - - if (s === 0) { - // No-op, we should not move anything at all - } else if (this.length > s) { - this.length -= s; - for (i = 0; i < this.length; i++) { - this.words[i] = this.words[i + s]; - } - } else { - this.words[0] = 0; - this.length = 1; - } - - var carry = 0; - for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) { - var word = this.words[i] | 0; - this.words[i] = (carry << (26 - r)) | (word >>> r); - carry = word & mask; - } - - // Push carried bits as a mask - if (maskedWords && carry !== 0) { - maskedWords.words[maskedWords.length++] = carry; - } - - if (this.length === 0) { - this.words[0] = 0; - this.length = 1; - } - - return this.strip(); - }; - - BN.prototype.ishrn = function ishrn (bits, hint, extended) { - // TODO(indutny): implement me - assert(this.negative === 0); - return this.iushrn(bits, hint, extended); - }; - - // Shift-left - BN.prototype.shln = function shln (bits) { - return this.clone().ishln(bits); - }; - - BN.prototype.ushln = function ushln (bits) { - return this.clone().iushln(bits); - }; - - // Shift-right - BN.prototype.shrn = function shrn (bits) { - return this.clone().ishrn(bits); - }; - - BN.prototype.ushrn = function ushrn (bits) { - return this.clone().iushrn(bits); - }; - - // Test if n bit is set - BN.prototype.testn = function testn (bit) { - assert(typeof bit === 'number' && bit >= 0); - var r = bit % 26; - var s = (bit - r) / 26; - var q = 1 << r; - - // Fast case: bit is much higher than all existing words - if (this.length <= s) return false; - - // Check bit and return - var w = this.words[s]; - - return !!(w & q); - }; - - // Return only lowers bits of number (in-place) - BN.prototype.imaskn = function imaskn (bits) { - assert(typeof bits === 'number' && bits >= 0); - var r = bits % 26; - var s = (bits - r) / 26; - - assert(this.negative === 0, 'imaskn works only with positive numbers'); - - if (this.length <= s) { - return this; - } - - if (r !== 0) { - s++; - } - this.length = Math.min(s, this.length); - - if (r !== 0) { - var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); - this.words[this.length - 1] &= mask; - } - - return this.strip(); - }; - - // Return only lowers bits of number - BN.prototype.maskn = function maskn (bits) { - return this.clone().imaskn(bits); - }; - - // Add plain number `num` to `this` - BN.prototype.iaddn = function iaddn (num) { - assert(typeof num === 'number'); - assert(num < 0x4000000); - if (num < 0) return this.isubn(-num); - - // Possible sign change - if (this.negative !== 0) { - if (this.length === 1 && (this.words[0] | 0) < num) { - this.words[0] = num - (this.words[0] | 0); - this.negative = 0; - return this; - } - - this.negative = 0; - this.isubn(num); - this.negative = 1; - return this; - } - - // Add without checks - return this._iaddn(num); - }; - - BN.prototype._iaddn = function _iaddn (num) { - this.words[0] += num; - - // Carry - for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) { - this.words[i] -= 0x4000000; - if (i === this.length - 1) { - this.words[i + 1] = 1; - } else { - this.words[i + 1]++; - } - } - this.length = Math.max(this.length, i + 1); - - return this; - }; - - // Subtract plain number `num` from `this` - BN.prototype.isubn = function isubn (num) { - assert(typeof num === 'number'); - assert(num < 0x4000000); - if (num < 0) return this.iaddn(-num); - - if (this.negative !== 0) { - this.negative = 0; - this.iaddn(num); - this.negative = 1; - return this; - } - - this.words[0] -= num; - - if (this.length === 1 && this.words[0] < 0) { - this.words[0] = -this.words[0]; - this.negative = 1; - } else { - // Carry - for (var i = 0; i < this.length && this.words[i] < 0; i++) { - this.words[i] += 0x4000000; - this.words[i + 1] -= 1; - } - } - - return this.strip(); - }; - - BN.prototype.addn = function addn (num) { - return this.clone().iaddn(num); - }; - - BN.prototype.subn = function subn (num) { - return this.clone().isubn(num); - }; - - BN.prototype.iabs = function iabs () { - this.negative = 0; - - return this; - }; - - BN.prototype.abs = function abs () { - return this.clone().iabs(); - }; - - BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) { - var len = num.length + shift; - var i; - - this._expand(len); - - var w; - var carry = 0; - for (i = 0; i < num.length; i++) { - w = (this.words[i + shift] | 0) + carry; - var right = (num.words[i] | 0) * mul; - w -= right & 0x3ffffff; - carry = (w >> 26) - ((right / 0x4000000) | 0); - this.words[i + shift] = w & 0x3ffffff; - } - for (; i < this.length - shift; i++) { - w = (this.words[i + shift] | 0) + carry; - carry = w >> 26; - this.words[i + shift] = w & 0x3ffffff; - } - - if (carry === 0) return this.strip(); - - // Subtraction overflow - assert(carry === -1); - carry = 0; - for (i = 0; i < this.length; i++) { - w = -(this.words[i] | 0) + carry; - carry = w >> 26; - this.words[i] = w & 0x3ffffff; - } - this.negative = 1; - - return this.strip(); - }; - - BN.prototype._wordDiv = function _wordDiv (num, mode) { - var shift = this.length - num.length; - - var a = this.clone(); - var b = num; - - // Normalize - var bhi = b.words[b.length - 1] | 0; - var bhiBits = this._countBits(bhi); - shift = 26 - bhiBits; - if (shift !== 0) { - b = b.ushln(shift); - a.iushln(shift); - bhi = b.words[b.length - 1] | 0; - } - - // Initialize quotient - var m = a.length - b.length; - var q; - - if (mode !== 'mod') { - q = new BN(null); - q.length = m + 1; - q.words = new Array(q.length); - for (var i = 0; i < q.length; i++) { - q.words[i] = 0; - } - } - - var diff = a.clone()._ishlnsubmul(b, 1, m); - if (diff.negative === 0) { - a = diff; - if (q) { - q.words[m] = 1; - } - } - - for (var j = m - 1; j >= 0; j--) { - var qj = (a.words[b.length + j] | 0) * 0x4000000 + - (a.words[b.length + j - 1] | 0); - - // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max - // (0x7ffffff) - qj = Math.min((qj / bhi) | 0, 0x3ffffff); - - a._ishlnsubmul(b, qj, j); - while (a.negative !== 0) { - qj--; - a.negative = 0; - a._ishlnsubmul(b, 1, j); - if (!a.isZero()) { - a.negative ^= 1; - } - } - if (q) { - q.words[j] = qj; - } - } - if (q) { - q.strip(); - } - a.strip(); - - // Denormalize - if (mode !== 'div' && shift !== 0) { - a.iushrn(shift); - } - - return { - div: q || null, - mod: a - }; - }; - - // NOTE: 1) `mode` can be set to `mod` to request mod only, - // to `div` to request div only, or be absent to - // request both div & mod - // 2) `positive` is true if unsigned mod is requested - BN.prototype.divmod = function divmod (num, mode, positive) { - assert(!num.isZero()); - - if (this.isZero()) { - return { - div: new BN(0), - mod: new BN(0) - }; - } - - var div, mod, res; - if (this.negative !== 0 && num.negative === 0) { - res = this.neg().divmod(num, mode); - - if (mode !== 'mod') { - div = res.div.neg(); - } - - if (mode !== 'div') { - mod = res.mod.neg(); - if (positive && mod.negative !== 0) { - mod.iadd(num); - } - } - - return { - div: div, - mod: mod - }; - } - - if (this.negative === 0 && num.negative !== 0) { - res = this.divmod(num.neg(), mode); - - if (mode !== 'mod') { - div = res.div.neg(); - } - - return { - div: div, - mod: res.mod - }; - } - - if ((this.negative & num.negative) !== 0) { - res = this.neg().divmod(num.neg(), mode); - - if (mode !== 'div') { - mod = res.mod.neg(); - if (positive && mod.negative !== 0) { - mod.isub(num); - } - } - - return { - div: res.div, - mod: mod - }; - } - - // Both numbers are positive at this point - - // Strip both numbers to approximate shift value - if (num.length > this.length || this.cmp(num) < 0) { - return { - div: new BN(0), - mod: this - }; - } - - // Very short reduction - if (num.length === 1) { - if (mode === 'div') { - return { - div: this.divn(num.words[0]), - mod: null - }; - } - - if (mode === 'mod') { - return { - div: null, - mod: new BN(this.modn(num.words[0])) - }; - } - - return { - div: this.divn(num.words[0]), - mod: new BN(this.modn(num.words[0])) - }; - } - - return this._wordDiv(num, mode); - }; - - // Find `this` / `num` - BN.prototype.div = function div (num) { - return this.divmod(num, 'div', false).div; - }; - - // Find `this` % `num` - BN.prototype.mod = function mod (num) { - return this.divmod(num, 'mod', false).mod; - }; - - BN.prototype.umod = function umod (num) { - return this.divmod(num, 'mod', true).mod; - }; - - // Find Round(`this` / `num`) - BN.prototype.divRound = function divRound (num) { - var dm = this.divmod(num); - - // Fast case - exact division - if (dm.mod.isZero()) return dm.div; - - var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod; - - var half = num.ushrn(1); - var r2 = num.andln(1); - var cmp = mod.cmp(half); - - // Round down - if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div; - - // Round up - return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1); - }; - - BN.prototype.modn = function modn (num) { - assert(num <= 0x3ffffff); - var p = (1 << 26) % num; - - var acc = 0; - for (var i = this.length - 1; i >= 0; i--) { - acc = (p * acc + (this.words[i] | 0)) % num; - } - - return acc; - }; - - // In-place division by number - BN.prototype.idivn = function idivn (num) { - assert(num <= 0x3ffffff); - - var carry = 0; - for (var i = this.length - 1; i >= 0; i--) { - var w = (this.words[i] | 0) + carry * 0x4000000; - this.words[i] = (w / num) | 0; - carry = w % num; - } - - return this.strip(); - }; - - BN.prototype.divn = function divn (num) { - return this.clone().idivn(num); - }; - - BN.prototype.egcd = function egcd (p) { - assert(p.negative === 0); - assert(!p.isZero()); - - var x = this; - var y = p.clone(); - - if (x.negative !== 0) { - x = x.umod(p); - } else { - x = x.clone(); - } - - // A * x + B * y = x - var A = new BN(1); - var B = new BN(0); - - // C * x + D * y = y - var C = new BN(0); - var D = new BN(1); - - var g = 0; - - while (x.isEven() && y.isEven()) { - x.iushrn(1); - y.iushrn(1); - ++g; - } - - var yp = y.clone(); - var xp = x.clone(); - - while (!x.isZero()) { - for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1); - if (i > 0) { - x.iushrn(i); - while (i-- > 0) { - if (A.isOdd() || B.isOdd()) { - A.iadd(yp); - B.isub(xp); - } - - A.iushrn(1); - B.iushrn(1); - } - } - - for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); - if (j > 0) { - y.iushrn(j); - while (j-- > 0) { - if (C.isOdd() || D.isOdd()) { - C.iadd(yp); - D.isub(xp); - } - - C.iushrn(1); - D.iushrn(1); - } - } - - if (x.cmp(y) >= 0) { - x.isub(y); - A.isub(C); - B.isub(D); - } else { - y.isub(x); - C.isub(A); - D.isub(B); - } - } - - return { - a: C, - b: D, - gcd: y.iushln(g) - }; - }; - - // This is reduced incarnation of the binary EEA - // above, designated to invert members of the - // _prime_ fields F(p) at a maximal speed - BN.prototype._invmp = function _invmp (p) { - assert(p.negative === 0); - assert(!p.isZero()); - - var a = this; - var b = p.clone(); - - if (a.negative !== 0) { - a = a.umod(p); - } else { - a = a.clone(); - } - - var x1 = new BN(1); - var x2 = new BN(0); - - var delta = b.clone(); - - while (a.cmpn(1) > 0 && b.cmpn(1) > 0) { - for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1); - if (i > 0) { - a.iushrn(i); - while (i-- > 0) { - if (x1.isOdd()) { - x1.iadd(delta); - } - - x1.iushrn(1); - } - } - - for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); - if (j > 0) { - b.iushrn(j); - while (j-- > 0) { - if (x2.isOdd()) { - x2.iadd(delta); - } - - x2.iushrn(1); - } - } - - if (a.cmp(b) >= 0) { - a.isub(b); - x1.isub(x2); - } else { - b.isub(a); - x2.isub(x1); - } - } - - var res; - if (a.cmpn(1) === 0) { - res = x1; - } else { - res = x2; - } - - if (res.cmpn(0) < 0) { - res.iadd(p); - } - - return res; - }; - - BN.prototype.gcd = function gcd (num) { - if (this.isZero()) return num.abs(); - if (num.isZero()) return this.abs(); - - var a = this.clone(); - var b = num.clone(); - a.negative = 0; - b.negative = 0; - - // Remove common factor of two - for (var shift = 0; a.isEven() && b.isEven(); shift++) { - a.iushrn(1); - b.iushrn(1); - } - - do { - while (a.isEven()) { - a.iushrn(1); - } - while (b.isEven()) { - b.iushrn(1); - } - - var r = a.cmp(b); - if (r < 0) { - // Swap `a` and `b` to make `a` always bigger than `b` - var t = a; - a = b; - b = t; - } else if (r === 0 || b.cmpn(1) === 0) { - break; - } - - a.isub(b); - } while (true); - - return b.iushln(shift); - }; - - // Invert number in the field F(num) - BN.prototype.invm = function invm (num) { - return this.egcd(num).a.umod(num); - }; - - BN.prototype.isEven = function isEven () { - return (this.words[0] & 1) === 0; - }; - - BN.prototype.isOdd = function isOdd () { - return (this.words[0] & 1) === 1; - }; - - // And first word and num - BN.prototype.andln = function andln (num) { - return this.words[0] & num; - }; - - // Increment at the bit position in-line - BN.prototype.bincn = function bincn (bit) { - assert(typeof bit === 'number'); - var r = bit % 26; - var s = (bit - r) / 26; - var q = 1 << r; - - // Fast case: bit is much higher than all existing words - if (this.length <= s) { - this._expand(s + 1); - this.words[s] |= q; - return this; - } - - // Add bit and propagate, if needed - var carry = q; - for (var i = s; carry !== 0 && i < this.length; i++) { - var w = this.words[i] | 0; - w += carry; - carry = w >>> 26; - w &= 0x3ffffff; - this.words[i] = w; - } - if (carry !== 0) { - this.words[i] = carry; - this.length++; - } - return this; - }; - - BN.prototype.isZero = function isZero () { - return this.length === 1 && this.words[0] === 0; - }; - - BN.prototype.cmpn = function cmpn (num) { - var negative = num < 0; - - if (this.negative !== 0 && !negative) return -1; - if (this.negative === 0 && negative) return 1; - - this.strip(); - - var res; - if (this.length > 1) { - res = 1; - } else { - if (negative) { - num = -num; - } - - assert(num <= 0x3ffffff, 'Number is too big'); - - var w = this.words[0] | 0; - res = w === num ? 0 : w < num ? -1 : 1; - } - if (this.negative !== 0) return -res | 0; - return res; - }; - - // Compare two numbers and return: - // 1 - if `this` > `num` - // 0 - if `this` == `num` - // -1 - if `this` < `num` - BN.prototype.cmp = function cmp (num) { - if (this.negative !== 0 && num.negative === 0) return -1; - if (this.negative === 0 && num.negative !== 0) return 1; - - var res = this.ucmp(num); - if (this.negative !== 0) return -res | 0; - return res; - }; - - // Unsigned comparison - BN.prototype.ucmp = function ucmp (num) { - // At this point both numbers have the same sign - if (this.length > num.length) return 1; - if (this.length < num.length) return -1; - - var res = 0; - for (var i = this.length - 1; i >= 0; i--) { - var a = this.words[i] | 0; - var b = num.words[i] | 0; - - if (a === b) continue; - if (a < b) { - res = -1; - } else if (a > b) { - res = 1; - } - break; - } - return res; - }; - - BN.prototype.gtn = function gtn (num) { - return this.cmpn(num) === 1; - }; - - BN.prototype.gt = function gt (num) { - return this.cmp(num) === 1; - }; - - BN.prototype.gten = function gten (num) { - return this.cmpn(num) >= 0; - }; - - BN.prototype.gte = function gte (num) { - return this.cmp(num) >= 0; - }; - - BN.prototype.ltn = function ltn (num) { - return this.cmpn(num) === -1; - }; - - BN.prototype.lt = function lt (num) { - return this.cmp(num) === -1; - }; - - BN.prototype.lten = function lten (num) { - return this.cmpn(num) <= 0; - }; - - BN.prototype.lte = function lte (num) { - return this.cmp(num) <= 0; - }; - - BN.prototype.eqn = function eqn (num) { - return this.cmpn(num) === 0; - }; - - BN.prototype.eq = function eq (num) { - return this.cmp(num) === 0; - }; - - // - // A reduce context, could be using montgomery or something better, depending - // on the `m` itself. - // - BN.red = function red (num) { - return new Red(num); - }; - - BN.prototype.toRed = function toRed (ctx) { - assert(!this.red, 'Already a number in reduction context'); - assert(this.negative === 0, 'red works only with positives'); - return ctx.convertTo(this)._forceRed(ctx); - }; - - BN.prototype.fromRed = function fromRed () { - assert(this.red, 'fromRed works only with numbers in reduction context'); - return this.red.convertFrom(this); - }; - - BN.prototype._forceRed = function _forceRed (ctx) { - this.red = ctx; - return this; - }; - - BN.prototype.forceRed = function forceRed (ctx) { - assert(!this.red, 'Already a number in reduction context'); - return this._forceRed(ctx); - }; - - BN.prototype.redAdd = function redAdd (num) { - assert(this.red, 'redAdd works only with red numbers'); - return this.red.add(this, num); - }; - - BN.prototype.redIAdd = function redIAdd (num) { - assert(this.red, 'redIAdd works only with red numbers'); - return this.red.iadd(this, num); - }; - - BN.prototype.redSub = function redSub (num) { - assert(this.red, 'redSub works only with red numbers'); - return this.red.sub(this, num); - }; - - BN.prototype.redISub = function redISub (num) { - assert(this.red, 'redISub works only with red numbers'); - return this.red.isub(this, num); - }; - - BN.prototype.redShl = function redShl (num) { - assert(this.red, 'redShl works only with red numbers'); - return this.red.shl(this, num); - }; - - BN.prototype.redMul = function redMul (num) { - assert(this.red, 'redMul works only with red numbers'); - this.red._verify2(this, num); - return this.red.mul(this, num); - }; - - BN.prototype.redIMul = function redIMul (num) { - assert(this.red, 'redMul works only with red numbers'); - this.red._verify2(this, num); - return this.red.imul(this, num); - }; - - BN.prototype.redSqr = function redSqr () { - assert(this.red, 'redSqr works only with red numbers'); - this.red._verify1(this); - return this.red.sqr(this); - }; - - BN.prototype.redISqr = function redISqr () { - assert(this.red, 'redISqr works only with red numbers'); - this.red._verify1(this); - return this.red.isqr(this); - }; - - // Square root over p - BN.prototype.redSqrt = function redSqrt () { - assert(this.red, 'redSqrt works only with red numbers'); - this.red._verify1(this); - return this.red.sqrt(this); - }; - - BN.prototype.redInvm = function redInvm () { - assert(this.red, 'redInvm works only with red numbers'); - this.red._verify1(this); - return this.red.invm(this); - }; - - // Return negative clone of `this` % `red modulo` - BN.prototype.redNeg = function redNeg () { - assert(this.red, 'redNeg works only with red numbers'); - this.red._verify1(this); - return this.red.neg(this); - }; - - BN.prototype.redPow = function redPow (num) { - assert(this.red && !num.red, 'redPow(normalNum)'); - this.red._verify1(this); - return this.red.pow(this, num); - }; - - // Prime numbers with efficient reduction - var primes = { - k256: null, - p224: null, - p192: null, - p25519: null - }; - - // Pseudo-Mersenne prime - function MPrime (name, p) { - // P = 2 ^ N - K - this.name = name; - this.p = new BN(p, 16); - this.n = this.p.bitLength(); - this.k = new BN(1).iushln(this.n).isub(this.p); - - this.tmp = this._tmp(); - } - - MPrime.prototype._tmp = function _tmp () { - var tmp = new BN(null); - tmp.words = new Array(Math.ceil(this.n / 13)); - return tmp; - }; - - MPrime.prototype.ireduce = function ireduce (num) { - // Assumes that `num` is less than `P^2` - // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P) - var r = num; - var rlen; - - do { - this.split(r, this.tmp); - r = this.imulK(r); - r = r.iadd(this.tmp); - rlen = r.bitLength(); - } while (rlen > this.n); - - var cmp = rlen < this.n ? -1 : r.ucmp(this.p); - if (cmp === 0) { - r.words[0] = 0; - r.length = 1; - } else if (cmp > 0) { - r.isub(this.p); - } else { - if (r.strip !== undefined) { - // r is BN v4 instance - r.strip(); - } else { - // r is BN v5 instance - r._strip(); - } - } - - return r; - }; - - MPrime.prototype.split = function split (input, out) { - input.iushrn(this.n, 0, out); - }; - - MPrime.prototype.imulK = function imulK (num) { - return num.imul(this.k); - }; - - function K256 () { - MPrime.call( - this, - 'k256', - 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f'); - } - inherits(K256, MPrime); - - K256.prototype.split = function split (input, output) { - // 256 = 9 * 26 + 22 - var mask = 0x3fffff; - - var outLen = Math.min(input.length, 9); - for (var i = 0; i < outLen; i++) { - output.words[i] = input.words[i]; - } - output.length = outLen; - - if (input.length <= 9) { - input.words[0] = 0; - input.length = 1; - return; - } - - // Shift by 9 limbs - var prev = input.words[9]; - output.words[output.length++] = prev & mask; - - for (i = 10; i < input.length; i++) { - var next = input.words[i] | 0; - input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22); - prev = next; - } - prev >>>= 22; - input.words[i - 10] = prev; - if (prev === 0 && input.length > 10) { - input.length -= 10; - } else { - input.length -= 9; - } - }; - - K256.prototype.imulK = function imulK (num) { - // K = 0x1000003d1 = [ 0x40, 0x3d1 ] - num.words[num.length] = 0; - num.words[num.length + 1] = 0; - num.length += 2; - - // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390 - var lo = 0; - for (var i = 0; i < num.length; i++) { - var w = num.words[i] | 0; - lo += w * 0x3d1; - num.words[i] = lo & 0x3ffffff; - lo = w * 0x40 + ((lo / 0x4000000) | 0); - } - - // Fast length reduction - if (num.words[num.length - 1] === 0) { - num.length--; - if (num.words[num.length - 1] === 0) { - num.length--; - } - } - return num; - }; - - function P224 () { - MPrime.call( - this, - 'p224', - 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001'); - } - inherits(P224, MPrime); - - function P192 () { - MPrime.call( - this, - 'p192', - 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff'); - } - inherits(P192, MPrime); - - function P25519 () { - // 2 ^ 255 - 19 - MPrime.call( - this, - '25519', - '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed'); - } - inherits(P25519, MPrime); - - P25519.prototype.imulK = function imulK (num) { - // K = 0x13 - var carry = 0; - for (var i = 0; i < num.length; i++) { - var hi = (num.words[i] | 0) * 0x13 + carry; - var lo = hi & 0x3ffffff; - hi >>>= 26; - - num.words[i] = lo; - carry = hi; - } - if (carry !== 0) { - num.words[num.length++] = carry; - } - return num; - }; - - // Exported mostly for testing purposes, use plain name instead - BN._prime = function prime (name) { - // Cached version of prime - if (primes[name]) return primes[name]; - - var prime; - if (name === 'k256') { - prime = new K256(); - } else if (name === 'p224') { - prime = new P224(); - } else if (name === 'p192') { - prime = new P192(); - } else if (name === 'p25519') { - prime = new P25519(); - } else { - throw new Error('Unknown prime ' + name); - } - primes[name] = prime; - - return prime; - }; - - // - // Base reduction engine - // - function Red (m) { - if (typeof m === 'string') { - var prime = BN._prime(m); - this.m = prime.p; - this.prime = prime; - } else { - assert(m.gtn(1), 'modulus must be greater than 1'); - this.m = m; - this.prime = null; - } - } - - Red.prototype._verify1 = function _verify1 (a) { - assert(a.negative === 0, 'red works only with positives'); - assert(a.red, 'red works only with red numbers'); - }; - - Red.prototype._verify2 = function _verify2 (a, b) { - assert((a.negative | b.negative) === 0, 'red works only with positives'); - assert(a.red && a.red === b.red, - 'red works only with red numbers'); - }; - - Red.prototype.imod = function imod (a) { - if (this.prime) return this.prime.ireduce(a)._forceRed(this); - return a.umod(this.m)._forceRed(this); - }; - - Red.prototype.neg = function neg (a) { - if (a.isZero()) { - return a.clone(); - } - - return this.m.sub(a)._forceRed(this); - }; - - Red.prototype.add = function add (a, b) { - this._verify2(a, b); - - var res = a.add(b); - if (res.cmp(this.m) >= 0) { - res.isub(this.m); - } - return res._forceRed(this); - }; - - Red.prototype.iadd = function iadd (a, b) { - this._verify2(a, b); - - var res = a.iadd(b); - if (res.cmp(this.m) >= 0) { - res.isub(this.m); - } - return res; - }; - - Red.prototype.sub = function sub (a, b) { - this._verify2(a, b); - - var res = a.sub(b); - if (res.cmpn(0) < 0) { - res.iadd(this.m); - } - return res._forceRed(this); - }; - - Red.prototype.isub = function isub (a, b) { - this._verify2(a, b); - - var res = a.isub(b); - if (res.cmpn(0) < 0) { - res.iadd(this.m); - } - return res; - }; - - Red.prototype.shl = function shl (a, num) { - this._verify1(a); - return this.imod(a.ushln(num)); - }; - - Red.prototype.imul = function imul (a, b) { - this._verify2(a, b); - return this.imod(a.imul(b)); - }; - - Red.prototype.mul = function mul (a, b) { - this._verify2(a, b); - return this.imod(a.mul(b)); - }; - - Red.prototype.isqr = function isqr (a) { - return this.imul(a, a.clone()); - }; - - Red.prototype.sqr = function sqr (a) { - return this.mul(a, a); - }; - - Red.prototype.sqrt = function sqrt (a) { - if (a.isZero()) return a.clone(); - - var mod3 = this.m.andln(3); - assert(mod3 % 2 === 1); - - // Fast case - if (mod3 === 3) { - var pow = this.m.add(new BN(1)).iushrn(2); - return this.pow(a, pow); - } - - // Tonelli-Shanks algorithm (Totally unoptimized and slow) - // - // Find Q and S, that Q * 2 ^ S = (P - 1) - var q = this.m.subn(1); - var s = 0; - while (!q.isZero() && q.andln(1) === 0) { - s++; - q.iushrn(1); - } - assert(!q.isZero()); - - var one = new BN(1).toRed(this); - var nOne = one.redNeg(); - - // Find quadratic non-residue - // NOTE: Max is such because of generalized Riemann hypothesis. - var lpow = this.m.subn(1).iushrn(1); - var z = this.m.bitLength(); - z = new BN(2 * z * z).toRed(this); - - while (this.pow(z, lpow).cmp(nOne) !== 0) { - z.redIAdd(nOne); - } - - var c = this.pow(z, q); - var r = this.pow(a, q.addn(1).iushrn(1)); - var t = this.pow(a, q); - var m = s; - while (t.cmp(one) !== 0) { - var tmp = t; - for (var i = 0; tmp.cmp(one) !== 0; i++) { - tmp = tmp.redSqr(); - } - assert(i < m); - var b = this.pow(c, new BN(1).iushln(m - i - 1)); - - r = r.redMul(b); - c = b.redSqr(); - t = t.redMul(c); - m = i; - } - - return r; - }; - - Red.prototype.invm = function invm (a) { - var inv = a._invmp(this.m); - if (inv.negative !== 0) { - inv.negative = 0; - return this.imod(inv).redNeg(); - } else { - return this.imod(inv); - } - }; - - Red.prototype.pow = function pow (a, num) { - if (num.isZero()) return new BN(1).toRed(this); - if (num.cmpn(1) === 0) return a.clone(); - - var windowSize = 4; - var wnd = new Array(1 << windowSize); - wnd[0] = new BN(1).toRed(this); - wnd[1] = a; - for (var i = 2; i < wnd.length; i++) { - wnd[i] = this.mul(wnd[i - 1], a); - } - - var res = wnd[0]; - var current = 0; - var currentLen = 0; - var start = num.bitLength() % 26; - if (start === 0) { - start = 26; - } - - for (i = num.length - 1; i >= 0; i--) { - var word = num.words[i]; - for (var j = start - 1; j >= 0; j--) { - var bit = (word >> j) & 1; - if (res !== wnd[0]) { - res = this.sqr(res); - } - - if (bit === 0 && current === 0) { - currentLen = 0; - continue; - } - - current <<= 1; - current |= bit; - currentLen++; - if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue; - - res = this.mul(res, wnd[current]); - currentLen = 0; - current = 0; - } - start = 26; - } - - return res; - }; - - Red.prototype.convertTo = function convertTo (num) { - var r = num.umod(this.m); - - return r === num ? r.clone() : r; - }; - - Red.prototype.convertFrom = function convertFrom (num) { - var res = num.clone(); - res.red = null; - return res; - }; - - // - // Montgomery method engine - // - - BN.mont = function mont (num) { - return new Mont(num); - }; - - function Mont (m) { - Red.call(this, m); - - this.shift = this.m.bitLength(); - if (this.shift % 26 !== 0) { - this.shift += 26 - (this.shift % 26); - } - - this.r = new BN(1).iushln(this.shift); - this.r2 = this.imod(this.r.sqr()); - this.rinv = this.r._invmp(this.m); - - this.minv = this.rinv.mul(this.r).isubn(1).div(this.m); - this.minv = this.minv.umod(this.r); - this.minv = this.r.sub(this.minv); - } - inherits(Mont, Red); - - Mont.prototype.convertTo = function convertTo (num) { - return this.imod(num.ushln(this.shift)); - }; - - Mont.prototype.convertFrom = function convertFrom (num) { - var r = this.imod(num.mul(this.rinv)); - r.red = null; - return r; - }; - - Mont.prototype.imul = function imul (a, b) { - if (a.isZero() || b.isZero()) { - a.words[0] = 0; - a.length = 1; - return a; - } - - var t = a.imul(b); - var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); - var u = t.isub(c).iushrn(this.shift); - var res = u; - - if (u.cmp(this.m) >= 0) { - res = u.isub(this.m); - } else if (u.cmpn(0) < 0) { - res = u.iadd(this.m); - } - - return res._forceRed(this); - }; - - Mont.prototype.mul = function mul (a, b) { - if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this); - - var t = a.mul(b); - var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); - var u = t.isub(c).iushrn(this.shift); - var res = u; - if (u.cmp(this.m) >= 0) { - res = u.isub(this.m); - } else if (u.cmpn(0) < 0) { - res = u.iadd(this.m); - } - - return res._forceRed(this); - }; - - Mont.prototype.invm = function invm (a) { - // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R - var res = this.imod(a._invmp(this.m).mul(this.r2)); - return res._forceRed(this); - }; -})(typeof module === 'undefined' || module, this); - -},{"buffer":67}],18:[function(require,module,exports){ -'use strict' - -exports.byteLength = byteLength -exports.toByteArray = toByteArray -exports.fromByteArray = fromByteArray - -var lookup = [] -var revLookup = [] -var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array - -var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' -for (var i = 0, len = code.length; i < len; ++i) { - lookup[i] = code[i] - revLookup[code.charCodeAt(i)] = i -} - -// Support decoding URL-safe base64 strings, as Node.js does. -// See: https://en.wikipedia.org/wiki/Base64#URL_applications -revLookup['-'.charCodeAt(0)] = 62 -revLookup['_'.charCodeAt(0)] = 63 - -function getLens (b64) { - var len = b64.length - - if (len % 4 > 0) { - throw new Error('Invalid string. Length must be a multiple of 4') - } - - // Trim off extra bytes after placeholder bytes are found - // See: https://github.com/beatgammit/base64-js/issues/42 - var validLen = b64.indexOf('=') - if (validLen === -1) validLen = len - - var placeHoldersLen = validLen === len - ? 0 - : 4 - (validLen % 4) - - return [validLen, placeHoldersLen] -} - -// base64 is 4/3 + up to two characters of the original data -function byteLength (b64) { - var lens = getLens(b64) - var validLen = lens[0] - var placeHoldersLen = lens[1] - return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen -} - -function _byteLength (b64, validLen, placeHoldersLen) { - return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen -} - -function toByteArray (b64) { - var tmp - var lens = getLens(b64) - var validLen = lens[0] - var placeHoldersLen = lens[1] - - var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen)) - - var curByte = 0 - - // if there are placeholders, only get up to the last complete 4 chars - var len = placeHoldersLen > 0 - ? validLen - 4 - : validLen - - var i - for (i = 0; i < len; i += 4) { - tmp = - (revLookup[b64.charCodeAt(i)] << 18) | - (revLookup[b64.charCodeAt(i + 1)] << 12) | - (revLookup[b64.charCodeAt(i + 2)] << 6) | - revLookup[b64.charCodeAt(i + 3)] - arr[curByte++] = (tmp >> 16) & 0xFF - arr[curByte++] = (tmp >> 8) & 0xFF - arr[curByte++] = tmp & 0xFF - } - - if (placeHoldersLen === 2) { - tmp = - (revLookup[b64.charCodeAt(i)] << 2) | - (revLookup[b64.charCodeAt(i + 1)] >> 4) - arr[curByte++] = tmp & 0xFF - } - - if (placeHoldersLen === 1) { - tmp = - (revLookup[b64.charCodeAt(i)] << 10) | - (revLookup[b64.charCodeAt(i + 1)] << 4) | - (revLookup[b64.charCodeAt(i + 2)] >> 2) - arr[curByte++] = (tmp >> 8) & 0xFF - arr[curByte++] = tmp & 0xFF - } - - return arr -} - -function tripletToBase64 (num) { - return lookup[num >> 18 & 0x3F] + - lookup[num >> 12 & 0x3F] + - lookup[num >> 6 & 0x3F] + - lookup[num & 0x3F] -} - -function encodeChunk (uint8, start, end) { - var tmp - var output = [] - for (var i = start; i < end; i += 3) { - tmp = - ((uint8[i] << 16) & 0xFF0000) + - ((uint8[i + 1] << 8) & 0xFF00) + - (uint8[i + 2] & 0xFF) - output.push(tripletToBase64(tmp)) - } - return output.join('') -} - -function fromByteArray (uint8) { - var tmp - var len = uint8.length - var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes - var parts = [] - var maxChunkLength = 16383 // must be multiple of 3 - - // go through the array every three bytes, we'll deal with trailing stuff later - for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { - parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))) - } - - // pad the end with zeros, but make sure to not forget the extra bytes - if (extraBytes === 1) { - tmp = uint8[len - 1] - parts.push( - lookup[tmp >> 2] + - lookup[(tmp << 4) & 0x3F] + - '==' - ) - } else if (extraBytes === 2) { - tmp = (uint8[len - 2] << 8) + uint8[len - 1] - parts.push( - lookup[tmp >> 10] + - lookup[(tmp >> 4) & 0x3F] + - lookup[(tmp << 2) & 0x3F] + - '=' - ) - } - - return parts.join('') -} - -},{}],19:[function(require,module,exports){ -(function (Buffer){(function (){ -const INTEGER_START = 0x69 // 'i' -const STRING_DELIM = 0x3A // ':' -const DICTIONARY_START = 0x64 // 'd' -const LIST_START = 0x6C // 'l' -const END_OF_TYPE = 0x65 // 'e' - -/** - * replaces parseInt(buffer.toString('ascii', start, end)). - * For strings with less then ~30 charachters, this is actually a lot faster. - * - * @param {Buffer} data - * @param {Number} start - * @param {Number} end - * @return {Number} calculated number - */ -function getIntFromBuffer (buffer, start, end) { - let sum = 0 - let sign = 1 - - for (let i = start; i < end; i++) { - const num = buffer[i] - - if (num < 58 && num >= 48) { - sum = sum * 10 + (num - 48) - continue - } - - if (i === start && num === 43) { // + - continue - } - - if (i === start && num === 45) { // - - sign = -1 - continue - } - - if (num === 46) { // . - // its a float. break here. - break - } - - throw new Error('not a number: buffer[' + i + '] = ' + num) - } - - return sum * sign -} - -/** - * Decodes bencoded data. - * - * @param {Buffer} data - * @param {Number} start (optional) - * @param {Number} end (optional) - * @param {String} encoding (optional) - * @return {Object|Array|Buffer|String|Number} - */ -function decode (data, start, end, encoding) { - if (data == null || data.length === 0) { - return null - } - - if (typeof start !== 'number' && encoding == null) { - encoding = start - start = undefined - } - - if (typeof end !== 'number' && encoding == null) { - encoding = end - end = undefined - } - - decode.position = 0 - decode.encoding = encoding || null - - decode.data = !(Buffer.isBuffer(data)) - ? Buffer.from(data) - : data.slice(start, end) - - decode.bytes = decode.data.length - - return decode.next() -} - -decode.bytes = 0 -decode.position = 0 -decode.data = null -decode.encoding = null - -decode.next = function () { - switch (decode.data[decode.position]) { - case DICTIONARY_START: - return decode.dictionary() - case LIST_START: - return decode.list() - case INTEGER_START: - return decode.integer() - default: - return decode.buffer() - } -} - -decode.find = function (chr) { - let i = decode.position - const c = decode.data.length - const d = decode.data - - while (i < c) { - if (d[i] === chr) return i - i++ - } - - throw new Error( - 'Invalid data: Missing delimiter "' + - String.fromCharCode(chr) + '" [0x' + - chr.toString(16) + ']' - ) -} - -decode.dictionary = function () { - decode.position++ - - const dict = {} - - while (decode.data[decode.position] !== END_OF_TYPE) { - dict[decode.buffer()] = decode.next() - } - - decode.position++ - - return dict -} - -decode.list = function () { - decode.position++ - - const lst = [] - - while (decode.data[decode.position] !== END_OF_TYPE) { - lst.push(decode.next()) - } - - decode.position++ - - return lst -} - -decode.integer = function () { - const end = decode.find(END_OF_TYPE) - const number = getIntFromBuffer(decode.data, decode.position + 1, end) - - decode.position += end + 1 - decode.position - - return number -} - -decode.buffer = function () { - let sep = decode.find(STRING_DELIM) - const length = getIntFromBuffer(decode.data, decode.position, sep) - const end = ++sep + length - - decode.position = end - - return decode.encoding - ? decode.data.toString(decode.encoding, sep, end) - : decode.data.slice(sep, end) -} - -module.exports = decode - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],20:[function(require,module,exports){ -(function (Buffer){(function (){ -const { getType } = require('./util.js') - -/** - * Encodes data in bencode. - * - * @param {Buffer|Array|String|Object|Number|Boolean} data - * @return {Buffer} - */ -function encode (data, buffer, offset) { - const buffers = [] - let result = null - - encode._encode(buffers, data) - result = Buffer.concat(buffers) - encode.bytes = result.length - - if (Buffer.isBuffer(buffer)) { - result.copy(buffer, offset) - return buffer - } - - return result -} - -encode.bytes = -1 -encode._floatConversionDetected = false - -encode._encode = function (buffers, data) { - if (data == null) { return } - - switch (getType(data)) { - case 'buffer': encode.buffer(buffers, data); break - case 'object': encode.dict(buffers, data); break - case 'map': encode.dictMap(buffers, data); break - case 'array': encode.list(buffers, data); break - case 'set': encode.listSet(buffers, data); break - case 'string': encode.string(buffers, data); break - case 'number': encode.number(buffers, data); break - case 'boolean': encode.number(buffers, data); break - case 'arraybufferview': encode.buffer(buffers, Buffer.from(data.buffer, data.byteOffset, data.byteLength)); break - case 'arraybuffer': encode.buffer(buffers, Buffer.from(data)); break - } -} - -const buffE = Buffer.from('e') -const buffD = Buffer.from('d') -const buffL = Buffer.from('l') - -encode.buffer = function (buffers, data) { - buffers.push(Buffer.from(data.length + ':'), data) -} - -encode.string = function (buffers, data) { - buffers.push(Buffer.from(Buffer.byteLength(data) + ':' + data)) -} - -encode.number = function (buffers, data) { - const maxLo = 0x80000000 - const hi = (data / maxLo) << 0 - const lo = (data % maxLo) << 0 - const val = hi * maxLo + lo - - buffers.push(Buffer.from('i' + val + 'e')) - - if (val !== data && !encode._floatConversionDetected) { - encode._floatConversionDetected = true - console.warn( - 'WARNING: Possible data corruption detected with value "' + data + '":', - 'Bencoding only defines support for integers, value was converted to "' + val + '"' - ) - console.trace() - } -} - -encode.dict = function (buffers, data) { - buffers.push(buffD) - - let j = 0 - let k - // fix for issue #13 - sorted dicts - const keys = Object.keys(data).sort() - const kl = keys.length - - for (; j < kl; j++) { - k = keys[j] - if (data[k] == null) continue - encode.string(buffers, k) - encode._encode(buffers, data[k]) - } - - buffers.push(buffE) -} - -encode.dictMap = function (buffers, data) { - buffers.push(buffD) - - const keys = Array.from(data.keys()).sort() - - for (const key of keys) { - if (data.get(key) == null) continue - Buffer.isBuffer(key) - ? encode._encode(buffers, key) - : encode.string(buffers, String(key)) - encode._encode(buffers, data.get(key)) - } - - buffers.push(buffE) -} - -encode.list = function (buffers, data) { - let i = 0 - const c = data.length - buffers.push(buffL) - - for (; i < c; i++) { - if (data[i] == null) continue - encode._encode(buffers, data[i]) - } - - buffers.push(buffE) -} - -encode.listSet = function (buffers, data) { - buffers.push(buffL) - - for (const item of data) { - if (item == null) continue - encode._encode(buffers, item) - } - - buffers.push(buffE) -} - -module.exports = encode - -}).call(this)}).call(this,require("buffer").Buffer) -},{"./util.js":23,"buffer":110}],21:[function(require,module,exports){ -(function (Buffer){(function (){ -const { digitCount, getType } = require('./util.js') - -function listLength (list) { - let length = 1 + 1 // type marker + end-of-type marker - - for (const value of list) { - length += encodingLength(value) - } - - return length -} - -function mapLength (map) { - let length = 1 + 1 // type marker + end-of-type marker - - for (const [key, value] of map) { - const keyLength = Buffer.byteLength(key) - length += digitCount(keyLength) + 1 + keyLength - length += encodingLength(value) - } - - return length -} - -function objectLength (value) { - let length = 1 + 1 // type marker + end-of-type marker - const keys = Object.keys(value) - - for (let i = 0; i < keys.length; i++) { - const keyLength = Buffer.byteLength(keys[i]) - length += digitCount(keyLength) + 1 + keyLength - length += encodingLength(value[keys[i]]) - } - - return length -} - -function stringLength (value) { - const length = Buffer.byteLength(value) - return digitCount(length) + 1 + length -} - -function arrayBufferLength (value) { - const length = value.byteLength - value.byteOffset - return digitCount(length) + 1 + length -} - -function encodingLength (value) { - const length = 0 - - if (value == null) return length - - const type = getType(value) - - switch (type) { - case 'buffer': return digitCount(value.length) + 1 + value.length - case 'arraybufferview': return arrayBufferLength(value) - case 'string': return stringLength(value) - case 'array': case 'set': return listLength(value) - case 'number': return 1 + digitCount(Math.floor(value)) + 1 - case 'bigint': return 1 + value.toString().length + 1 - case 'object': return objectLength(value) - case 'map': return mapLength(value) - default: - throw new TypeError(`Unsupported value of type "${type}"`) - } -} - -module.exports = encodingLength - -}).call(this)}).call(this,require("buffer").Buffer) -},{"./util.js":23,"buffer":110}],22:[function(require,module,exports){ -const bencode = module.exports - -bencode.encode = require('./encode.js') -bencode.decode = require('./decode.js') - -/** - * Determines the amount of bytes - * needed to encode the given value - * @param {Object|Array|Buffer|String|Number|Boolean} value - * @return {Number} byteCount - */ -bencode.byteLength = bencode.encodingLength = require('./encoding-length.js') - -},{"./decode.js":19,"./encode.js":20,"./encoding-length.js":21}],23:[function(require,module,exports){ -(function (Buffer){(function (){ -const util = module.exports - -util.digitCount = function digitCount (value) { - // Add a digit for negative numbers, as the sign will be prefixed - const sign = value < 0 ? 1 : 0 - // Guard against negative numbers & zero going into log10(), - // as that would return -Infinity - value = Math.abs(Number(value || 1)) - return Math.floor(Math.log10(value)) + 1 + sign -} - -util.getType = function getType (value) { - if (Buffer.isBuffer(value)) return 'buffer' - if (ArrayBuffer.isView(value)) return 'arraybufferview' - if (Array.isArray(value)) return 'array' - if (value instanceof Number) return 'number' - if (value instanceof Boolean) return 'boolean' - if (value instanceof Set) return 'set' - if (value instanceof Map) return 'map' - if (value instanceof String) return 'string' - if (value instanceof ArrayBuffer) return 'arraybuffer' - return typeof value -} - -}).call(this)}).call(this,{"isBuffer":require("../../is-buffer/index.js")}) -},{"../../is-buffer/index.js":231}],24:[function(require,module,exports){ -module.exports = parseRange -module.exports.parse = parseRange -module.exports.compose = composeRange - -function composeRange (range) { - return range - .reduce((acc, cur, idx, arr) => { - if (idx === 0 || cur !== arr[idx - 1] + 1) acc.push([]) - acc[acc.length - 1].push(cur) - return acc - }, []) - .map((cur) => { - return cur.length > 1 ? `${cur[0]}-${cur[cur.length - 1]}` : `${cur[0]}` - }) -} - -function parseRange (range) { - const generateRange = (start, end = start) => Array.from({ length: end - start + 1 }, (cur, idx) => idx + start) - - return range - .reduce((acc, cur, idx, arr) => { - const r = cur.split('-').map(cur => parseInt(cur)) - return acc.concat(generateRange(...r)) - }, []) -} - -},{}],25:[function(require,module,exports){ -module.exports = function(haystack, needle, comparator, low, high) { - var mid, cmp; - - if(low === undefined) - low = 0; - - else { - low = low|0; - if(low < 0 || low >= haystack.length) - throw new RangeError("invalid lower bound"); - } - - if(high === undefined) - high = haystack.length - 1; - - else { - high = high|0; - if(high < low || high >= haystack.length) - throw new RangeError("invalid upper bound"); - } - - while(low <= high) { - // The naive `low + high >>> 1` could fail for array lengths > 2**31 - // because `>>>` converts its operands to int32. `low + (high - low >>> 1)` - // works for array lengths <= 2**32-1 which is also Javascript's max array - // length. - mid = low + ((high - low) >>> 1); - cmp = +comparator(haystack[mid], needle, mid, haystack); - - // Too low. - if(cmp < 0.0) - low = mid + 1; - - // Too high. - else if(cmp > 0.0) - high = mid - 1; - - // Key found. - else - return mid; - } - - // Key not found. - return ~low; -} - -},{}],26:[function(require,module,exports){ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -function getByteSize(num) { - var out = num >> 3; - if (num % 8 !== 0) - out++; - return out; -} -var BitField = /** @class */ (function () { - /** - * - * - * @param data Either a number representing the maximum number of supported bytes, or a Uint8Array. - * @param opts Options for the bitfield. - */ - function BitField(data, opts) { - if (data === void 0) { data = 0; } - var grow = opts === null || opts === void 0 ? void 0 : opts.grow; - this.grow = (grow && isFinite(grow) && getByteSize(grow)) || grow || 0; - this.buffer = - typeof data === "number" ? new Uint8Array(getByteSize(data)) : data; - } - /** - * Get a particular bit. - * - * @param i Bit index to retrieve. - * @returns A boolean indicating whether the `i`th bit is set. - */ - BitField.prototype.get = function (i) { - var j = i >> 3; - return j < this.buffer.length && !!(this.buffer[j] & (128 >> i % 8)); - }; - /** - * Set a particular bit. - * - * Will grow the underlying array if the bit is out of bounds and the `grow` option is set. - * - * @param i Bit index to set. - * @param value Value to set the bit to. Defaults to `true`. - */ - BitField.prototype.set = function (i, value) { - if (value === void 0) { value = true; } - var j = i >> 3; - if (value) { - if (this.buffer.length < j + 1) { - var length = Math.max(j + 1, Math.min(2 * this.buffer.length, this.grow)); - if (length <= this.grow) { - var newBuffer = new Uint8Array(length); - newBuffer.set(this.buffer); - this.buffer = newBuffer; - } - } - // Set - this.buffer[j] |= 128 >> i % 8; - } - else if (j < this.buffer.length) { - // Clear - this.buffer[j] &= ~(128 >> i % 8); - } - }; - /** - * Loop through the bits in the bitfield. - * - * @param fn Function to be called with the bit value and index. - * @param start Index of the first bit to look at. - * @param end Index of the first bit that should no longer be considered. - */ - BitField.prototype.forEach = function (fn, start, end) { - if (start === void 0) { start = 0; } - if (end === void 0) { end = this.buffer.length * 8; } - for (var i = start, j = i >> 3, y = 128 >> i % 8, byte = this.buffer[j]; i < end; i++) { - fn(!!(byte & y), i); - y = y === 1 ? ((byte = this.buffer[++j]), 128) : y >> 1; - } - }; - return BitField; -}()); -exports.default = BitField; - -},{}],27:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! bittorrent-protocol. MIT License. WebTorrent LLC */ -const arrayRemove = require('unordered-array-remove') -const bencode = require('bencode') -const BitField = require('bitfield').default -const crypto = require('crypto') -const debug = require('debug')('bittorrent-protocol') -const randombytes = require('randombytes') -const sha1 = require('simple-sha1') -const speedometer = require('speedometer') -const stream = require('readable-stream') -const RC4 = require('rc4') - -const BITFIELD_GROW = 400000 -const KEEP_ALIVE_TIMEOUT = 55000 -const ALLOWED_FAST_SET_MAX_LENGTH = 100 - -const MESSAGE_PROTOCOL = Buffer.from('\u0013BitTorrent protocol') -const MESSAGE_KEEP_ALIVE = Buffer.from([0x00, 0x00, 0x00, 0x00]) -const MESSAGE_CHOKE = Buffer.from([0x00, 0x00, 0x00, 0x01, 0x00]) -const MESSAGE_UNCHOKE = Buffer.from([0x00, 0x00, 0x00, 0x01, 0x01]) -const MESSAGE_INTERESTED = Buffer.from([0x00, 0x00, 0x00, 0x01, 0x02]) -const MESSAGE_UNINTERESTED = Buffer.from([0x00, 0x00, 0x00, 0x01, 0x03]) - -const MESSAGE_RESERVED = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00] -const MESSAGE_PORT = [0x00, 0x00, 0x00, 0x03, 0x09, 0x00, 0x00] - -// BEP6 Fast Extension -const MESSAGE_HAVE_ALL = Buffer.from([0x00, 0x00, 0x00, 0x01, 0x0E]) -const MESSAGE_HAVE_NONE = Buffer.from([0x00, 0x00, 0x00, 0x01, 0x0F]) - -const DH_PRIME = 'ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a36210000000000090563' -const DH_GENERATOR = 2 -const VC = Buffer.from([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]) -const CRYPTO_PROVIDE = Buffer.from([0x00, 0x00, 0x01, 0x02]) -const CRYPTO_SELECT = Buffer.from([0x00, 0x00, 0x00, 0x02]) // always try to choose RC4 encryption instead of plaintext - -function xor (a, b) { - for (let len = a.length; len--;) a[len] ^= b[len] - return a -} - -class Request { - constructor (piece, offset, length, callback) { - this.piece = piece - this.offset = offset - this.length = length - this.callback = callback - } -} - -class HaveAllBitField { - constructor () { - this.buffer = new Uint8Array() // dummy - } - - get (index) { - return true - } - - set (index) {} -} - -class Wire extends stream.Duplex { - constructor (type = null, retries = 0, peEnabled = false) { - super() - - this._debugId = randombytes(4).toString('hex') - this._debug('new wire') - - this.peerId = null // remote peer id (hex string) - this.peerIdBuffer = null // remote peer id (buffer) - this.type = type // connection type ('webrtc', 'tcpIncoming', 'tcpOutgoing', 'webSeed') - - this.amChoking = true // are we choking the peer? - this.amInterested = false // are we interested in the peer? - - this.peerChoking = true // is the peer choking us? - this.peerInterested = false // is the peer interested in us? - - // The largest torrent that I know of (the Geocities archive) is ~641 GB and has - // ~41,000 pieces. Therefore, cap bitfield to 10x larger (400,000 bits) to support all - // possible torrents but prevent malicious peers from growing bitfield to fill memory. - this.peerPieces = new BitField(0, { grow: BITFIELD_GROW }) - - this.extensions = {} - this.peerExtensions = {} - - this.requests = [] // outgoing - this.peerRequests = [] // incoming - - this.extendedMapping = {} // number -> string, ex: 1 -> 'ut_metadata' - this.peerExtendedMapping = {} // string -> number, ex: 9 -> 'ut_metadata' - - // The extended handshake to send, minus the "m" field, which gets automatically - // filled from `this.extendedMapping` - this.extendedHandshake = {} - - this.peerExtendedHandshake = {} // remote peer's extended handshake - - // BEP6 Fast Estension - this.hasFast = false // is fast extension enabled? - this.allowedFastSet = [] // allowed fast set - this.peerAllowedFastSet = [] // peer's allowed fast set - - this._ext = {} // string -> function, ex 'ut_metadata' -> ut_metadata() - this._nextExt = 1 - - this.uploaded = 0 - this.downloaded = 0 - this.uploadSpeed = speedometer() - this.downloadSpeed = speedometer() - - this._keepAliveInterval = null - this._timeout = null - this._timeoutMs = 0 - this._timeoutExpiresAt = null - - this.destroyed = false // was the wire ended by calling `destroy`? - this._finished = false - - this._parserSize = 0 // number of needed bytes to parse next message from remote peer - this._parser = null // function to call once `this._parserSize` bytes are available - - this._buffer = [] // incomplete message data - this._bufferSize = 0 // cached total length of buffers in `this._buffer` - - this._peEnabled = peEnabled - if (peEnabled) { - this._dh = crypto.createDiffieHellman(DH_PRIME, 'hex', DH_GENERATOR) // crypto object used to generate keys/secret - this._myPubKey = this._dh.generateKeys('hex') // my DH public key - } else { - this._myPubKey = null - } - this._peerPubKey = null // peer's DH public key - this._sharedSecret = null // shared DH secret - this._peerCryptoProvide = [] // encryption methods provided by peer; we expect this to always contain 0x02 - this._cryptoHandshakeDone = false - - this._cryptoSyncPattern = null // the pattern to search for when resynchronizing after receiving pe1/pe2 - this._waitMaxBytes = null // the maximum number of bytes resynchronization must occur within - this._encryptionMethod = null // 1 for plaintext, 2 for RC4 - this._encryptGenerator = null // RC4 keystream generator for encryption - this._decryptGenerator = null // RC4 keystream generator for decryption - this._setGenerators = false // a flag for whether setEncrypt() has successfully completed - - this.once('finish', () => this._onFinish()) - - this.on('finish', this._onFinish) - this._debug('type:', this.type) - - if (this.type === 'tcpIncoming' && this._peEnabled) { - // If we are not the initiator, we should wait to see if the client begins - // with PE/MSE handshake or the standard bittorrent handshake. - this._determineHandshakeType() - } else if (this.type === 'tcpOutgoing' && this._peEnabled && retries === 0) { - this._parsePe2() - } else { - this._parseHandshake(null) - } - } - - /** - * Set whether to send a "keep-alive" ping (sent every 55s) - * @param {boolean} enable - */ - setKeepAlive (enable) { - this._debug('setKeepAlive %s', enable) - clearInterval(this._keepAliveInterval) - if (enable === false) return - this._keepAliveInterval = setInterval(() => { - this.keepAlive() - }, KEEP_ALIVE_TIMEOUT) - } - - /** - * Set the amount of time to wait before considering a request to be "timed out" - * @param {number} ms - * @param {boolean=} unref (should the timer be unref'd? default: false) - */ - setTimeout (ms, unref) { - this._debug('setTimeout ms=%d unref=%s', ms, unref) - this._timeoutMs = ms - this._timeoutUnref = !!unref - this._resetTimeout(true) - } - - destroy () { - if (this.destroyed) return - this.destroyed = true - this._debug('destroy') - this.emit('close') - this.end() - return this - } - - end (...args) { - this._debug('end') - this._onUninterested() - this._onChoke() - return super.end(...args) - } - - /** - * Use the specified protocol extension. - * @param {function} Extension - */ - use (Extension) { - const name = Extension.prototype.name - if (!name) { - throw new Error('Extension class requires a "name" property on the prototype') - } - this._debug('use extension.name=%s', name) - - const ext = this._nextExt - const handler = new Extension(this) - - function noop () {} - - if (typeof handler.onHandshake !== 'function') { - handler.onHandshake = noop - } - if (typeof handler.onExtendedHandshake !== 'function') { - handler.onExtendedHandshake = noop - } - if (typeof handler.onMessage !== 'function') { - handler.onMessage = noop - } - - this.extendedMapping[ext] = name - this._ext[name] = handler - this[name] = handler - - this._nextExt += 1 - } - - // - // OUTGOING MESSAGES - // - - /** - * Message "keep-alive": - */ - keepAlive () { - this._debug('keep-alive') - this._push(MESSAGE_KEEP_ALIVE) - } - - sendPe1 () { - if (this._peEnabled) { - const padALen = Math.floor(Math.random() * 513) - const padA = randombytes(padALen) - this._push(Buffer.concat([Buffer.from(this._myPubKey, 'hex'), padA])) - } - } - - sendPe2 () { - const padBLen = Math.floor(Math.random() * 513) - const padB = randombytes(padBLen) - this._push(Buffer.concat([Buffer.from(this._myPubKey, 'hex'), padB])) - } - - sendPe3 (infoHash) { - this.setEncrypt(this._sharedSecret, infoHash) - - const hash1Buffer = Buffer.from(sha1.sync(Buffer.from(this._utfToHex('req1') + this._sharedSecret, 'hex')), 'hex') - - const hash2Buffer = Buffer.from(sha1.sync(Buffer.from(this._utfToHex('req2') + infoHash, 'hex')), 'hex') - const hash3Buffer = Buffer.from(sha1.sync(Buffer.from(this._utfToHex('req3') + this._sharedSecret, 'hex')), 'hex') - const hashesXorBuffer = xor(hash2Buffer, hash3Buffer) - - const padCLen = randombytes(2).readUInt16BE(0) % 512 - const padCBuffer = randombytes(padCLen) - - let vcAndProvideBuffer = Buffer.alloc(8 + 4 + 2 + padCLen + 2) - VC.copy(vcAndProvideBuffer) - CRYPTO_PROVIDE.copy(vcAndProvideBuffer, 8) - - vcAndProvideBuffer.writeInt16BE(padCLen, 12) // pad C length - padCBuffer.copy(vcAndProvideBuffer, 14) - vcAndProvideBuffer.writeInt16BE(0, 14 + padCLen) // IA length - vcAndProvideBuffer = this._encryptHandshake(vcAndProvideBuffer) - - this._push(Buffer.concat([hash1Buffer, hashesXorBuffer, vcAndProvideBuffer])) - } - - sendPe4 (infoHash) { - this.setEncrypt(this._sharedSecret, infoHash) - - const padDLen = randombytes(2).readUInt16BE(0) % 512 - const padDBuffer = randombytes(padDLen) - let vcAndSelectBuffer = Buffer.alloc(8 + 4 + 2 + padDLen) - VC.copy(vcAndSelectBuffer) - CRYPTO_SELECT.copy(vcAndSelectBuffer, 8) - vcAndSelectBuffer.writeInt16BE(padDLen, 12) // lenD? - padDBuffer.copy(vcAndSelectBuffer, 14) - vcAndSelectBuffer = this._encryptHandshake(vcAndSelectBuffer) - this._push(vcAndSelectBuffer) - this._cryptoHandshakeDone = true - this._debug('completed crypto handshake') - } - - /** - * Message: "handshake" - * @param {Buffer|string} infoHash (as Buffer or *hex* string) - * @param {Buffer|string} peerId - * @param {Object} extensions - */ - handshake (infoHash, peerId, extensions) { - let infoHashBuffer - let peerIdBuffer - if (typeof infoHash === 'string') { - infoHash = infoHash.toLowerCase() - infoHashBuffer = Buffer.from(infoHash, 'hex') - } else { - infoHashBuffer = infoHash - infoHash = infoHashBuffer.toString('hex') - } - if (typeof peerId === 'string') { - peerIdBuffer = Buffer.from(peerId, 'hex') - } else { - peerIdBuffer = peerId - peerId = peerIdBuffer.toString('hex') - } - - this._infoHash = infoHashBuffer - - if (infoHashBuffer.length !== 20 || peerIdBuffer.length !== 20) { - throw new Error('infoHash and peerId MUST have length 20') - } - - this._debug('handshake i=%s p=%s exts=%o', infoHash, peerId, extensions) - - const reserved = Buffer.from(MESSAGE_RESERVED) - - this.extensions = { - extended: true, - dht: !!(extensions && extensions.dht), - fast: !!(extensions && extensions.fast) - } - - reserved[5] |= 0x10 // enable extended message - if (this.extensions.dht) reserved[7] |= 0x01 - if (this.extensions.fast) reserved[7] |= 0x04 - - // BEP6 Fast Extension: The extension is enabled only if both ends of the connection set this bit. - if (this.extensions.fast && this.peerExtensions.fast) { - this._debug('fast extension is enabled') - this.hasFast = true - } - - this._push(Buffer.concat([MESSAGE_PROTOCOL, reserved, infoHashBuffer, peerIdBuffer])) - this._handshakeSent = true - - if (this.peerExtensions.extended && !this._extendedHandshakeSent) { - // Peer's handshake indicated support already - // (incoming connection) - this._sendExtendedHandshake() - } - } - - /* Peer supports BEP-0010, send extended handshake. - * - * This comes after the 'handshake' event to give the user a chance to populate - * `this.extendedHandshake` and `this.extendedMapping` before the extended handshake - * is sent to the remote peer. - */ - _sendExtendedHandshake () { - // Create extended message object from registered extensions - const msg = Object.assign({}, this.extendedHandshake) - msg.m = {} - for (const ext in this.extendedMapping) { - const name = this.extendedMapping[ext] - msg.m[name] = Number(ext) - } - - // Send extended handshake - this.extended(0, bencode.encode(msg)) - this._extendedHandshakeSent = true - } - - /** - * Message "choke": - */ - choke () { - if (this.amChoking) return - this.amChoking = true - this._debug('choke') - this._push(MESSAGE_CHOKE) - - if (this.hasFast) { - // BEP6: If a peer sends a choke, it MUST reject all requests from the peer to whom the choke - // was sent except it SHOULD NOT reject requests for pieces that are in the allowed fast set. - let allowedCount = 0 - while (this.peerRequests.length > allowedCount) { // until only allowed requests are left - const request = this.peerRequests[allowedCount] // first non-allowed request - if (this.allowedFastSet.includes(request.piece)) { - ++allowedCount // count request as allowed - } else { - this.reject(request.piece, request.offset, request.length) // removes from this.peerRequests - } - } - } else { - while (this.peerRequests.length) { - this.peerRequests.pop() - } - } - } - - /** - * Message "unchoke": - */ - unchoke () { - if (!this.amChoking) return - this.amChoking = false - this._debug('unchoke') - this._push(MESSAGE_UNCHOKE) - } - - /** - * Message "interested": - */ - interested () { - if (this.amInterested) return - this.amInterested = true - this._debug('interested') - this._push(MESSAGE_INTERESTED) - } - - /** - * Message "uninterested": - */ - uninterested () { - if (!this.amInterested) return - this.amInterested = false - this._debug('uninterested') - this._push(MESSAGE_UNINTERESTED) - } - - /** - * Message "have": - * @param {number} index - */ - have (index) { - this._debug('have %d', index) - this._message(4, [index], null) - } - - /** - * Message "bitfield": - * @param {BitField|Buffer} bitfield - */ - bitfield (bitfield) { - this._debug('bitfield') - if (!Buffer.isBuffer(bitfield)) bitfield = bitfield.buffer - this._message(5, [], bitfield) - } - - /** - * Message "request": - * @param {number} index - * @param {number} offset - * @param {number} length - * @param {function} cb - */ - request (index, offset, length, cb) { - if (!cb) cb = () => {} - if (this._finished) return cb(new Error('wire is closed')) - - if (this.peerChoking && !(this.hasFast && this.peerAllowedFastSet.includes(index))) { - return cb(new Error('peer is choking')) - } - - this._debug('request index=%d offset=%d length=%d', index, offset, length) - - this.requests.push(new Request(index, offset, length, cb)) - if (!this._timeout) { - this._resetTimeout(true) - } - this._message(6, [index, offset, length], null) - } - - /** - * Message "piece": - * @param {number} index - * @param {number} offset - * @param {Buffer} buffer - */ - piece (index, offset, buffer) { - this._debug('piece index=%d offset=%d', index, offset) - this._message(7, [index, offset], buffer) - this.uploaded += buffer.length - this.uploadSpeed(buffer.length) - this.emit('upload', buffer.length) - } - - /** - * Message "cancel": - * @param {number} index - * @param {number} offset - * @param {number} length - */ - cancel (index, offset, length) { - this._debug('cancel index=%d offset=%d length=%d', index, offset, length) - this._callback( - this._pull(this.requests, index, offset, length), - new Error('request was cancelled'), - null - ) - this._message(8, [index, offset, length], null) - } - - /** - * Message: "port" - * @param {Number} port - */ - port (port) { - this._debug('port %d', port) - const message = Buffer.from(MESSAGE_PORT) - message.writeUInt16BE(port, 5) - this._push(message) - } - - /** - * Message: "suggest" (BEP6) - * @param {number} index - */ - suggest (index) { - if (!this.hasFast) throw Error('fast extension is disabled') - this._debug('suggest %d', index) - this._message(0x0D, [index], null) - } - - /** - * Message: "have-all" (BEP6) - */ - haveAll () { - if (!this.hasFast) throw Error('fast extension is disabled') - this._debug('have-all') - this._push(MESSAGE_HAVE_ALL) - } - - /** - * Message: "have-none" (BEP6) - */ - haveNone () { - if (!this.hasFast) throw Error('fast extension is disabled') - this._debug('have-none') - this._push(MESSAGE_HAVE_NONE) - } - - /** - * Message "reject": (BEP6) - * @param {number} index - * @param {number} offset - * @param {number} length - */ - reject (index, offset, length) { - if (!this.hasFast) throw Error('fast extension is disabled') - this._debug('reject index=%d offset=%d length=%d', index, offset, length) - this._pull(this.peerRequests, index, offset, length) - this._message(0x10, [index, offset, length], null) - } - - /** - * Message: "allowed-fast" (BEP6) - * @param {number} index - */ - allowedFast (index) { - if (!this.hasFast) throw Error('fast extension is disabled') - this._debug('allowed-fast %d', index) - if (!this.allowedFastSet.includes(index)) this.allowedFastSet.push(index) - this._message(0x11, [index], null) - } - - /** - * Message: "extended" - * @param {number|string} ext - * @param {Object} obj - */ - extended (ext, obj) { - this._debug('extended ext=%s', ext) - if (typeof ext === 'string' && this.peerExtendedMapping[ext]) { - ext = this.peerExtendedMapping[ext] - } - if (typeof ext === 'number') { - const extId = Buffer.from([ext]) - const buf = Buffer.isBuffer(obj) ? obj : bencode.encode(obj) - - this._message(20, [], Buffer.concat([extId, buf])) - } else { - throw new Error(`Unrecognized extension: ${ext}`) - } - } - - /** - * Sets the encryption method for this wire, as per PSE/ME specification - * - * @param {string} sharedSecret: A hex-encoded string, which is the shared secret agreed - * upon from DH key exchange - * @param {string} infoHash: A hex-encoded info hash - * @returns boolean, true if encryption setting succeeds, false if it fails. - */ - setEncrypt (sharedSecret, infoHash) { - let encryptKey - let decryptKey - let encryptKeyBuf - let encryptKeyIntArray - let decryptKeyBuf - let decryptKeyIntArray - switch (this.type) { - case 'tcpIncoming': - encryptKey = sha1.sync(Buffer.from(this._utfToHex('keyB') + sharedSecret + infoHash, 'hex')) - decryptKey = sha1.sync(Buffer.from(this._utfToHex('keyA') + sharedSecret + infoHash, 'hex')) - encryptKeyBuf = Buffer.from(encryptKey, 'hex') - encryptKeyIntArray = [] - for (const value of encryptKeyBuf.values()) { - encryptKeyIntArray.push(value) - } - decryptKeyBuf = Buffer.from(decryptKey, 'hex') - decryptKeyIntArray = [] - for (const value of decryptKeyBuf.values()) { - decryptKeyIntArray.push(value) - } - this._encryptGenerator = new RC4(encryptKeyIntArray) - this._decryptGenerator = new RC4(decryptKeyIntArray) - break - case 'tcpOutgoing': - encryptKey = sha1.sync(Buffer.from(this._utfToHex('keyA') + sharedSecret + infoHash, 'hex')) - decryptKey = sha1.sync(Buffer.from(this._utfToHex('keyB') + sharedSecret + infoHash, 'hex')) - encryptKeyBuf = Buffer.from(encryptKey, 'hex') - encryptKeyIntArray = [] - for (const value of encryptKeyBuf.values()) { - encryptKeyIntArray.push(value) - } - decryptKeyBuf = Buffer.from(decryptKey, 'hex') - decryptKeyIntArray = [] - for (const value of decryptKeyBuf.values()) { - decryptKeyIntArray.push(value) - } - this._encryptGenerator = new RC4(encryptKeyIntArray) - this._decryptGenerator = new RC4(decryptKeyIntArray) - break - default: - return false - } - - // Discard the first 1024 bytes, as per MSE/PE implementation - for (let i = 0; i < 1024; i++) { - this._encryptGenerator.randomByte() - this._decryptGenerator.randomByte() - } - - this._setGenerators = true - return true - } - - /** - * Duplex stream method. Called whenever the remote peer stream wants data. No-op - * since we'll just push data whenever we get it. - */ - _read () {} - - /** - * Send a message to the remote peer. - */ - _message (id, numbers, data) { - const dataLength = data ? data.length : 0 - const buffer = Buffer.allocUnsafe(5 + (4 * numbers.length)) - - buffer.writeUInt32BE(buffer.length + dataLength - 4, 0) - buffer[4] = id - for (let i = 0; i < numbers.length; i++) { - buffer.writeUInt32BE(numbers[i], 5 + (4 * i)) - } - - this._push(buffer) - if (data) this._push(data) - } - - _push (data) { - if (this._finished) return - if (this._encryptionMethod === 2 && this._cryptoHandshakeDone) { - data = this._encrypt(data) - } - return this.push(data) - } - - // - // INCOMING MESSAGES - // - - _onKeepAlive () { - this._debug('got keep-alive') - this.emit('keep-alive') - } - - _onPe1 (pubKeyBuffer) { - this._peerPubKey = pubKeyBuffer.toString('hex') - this._sharedSecret = this._dh.computeSecret(this._peerPubKey, 'hex', 'hex') - this.emit('pe1') - } - - _onPe2 (pubKeyBuffer) { - this._peerPubKey = pubKeyBuffer.toString('hex') - this._sharedSecret = this._dh.computeSecret(this._peerPubKey, 'hex', 'hex') - this.emit('pe2') - } - - _onPe3 (hashesXorBuffer) { - const hash3 = sha1.sync(Buffer.from(this._utfToHex('req3') + this._sharedSecret, 'hex')) - const sKeyHash = xor(Buffer.from(hash3, 'hex'), hashesXorBuffer).toString('hex') - this.emit('pe3', sKeyHash) - } - - _onPe3Encrypted (vcBuffer, peerProvideBuffer) { - if (!vcBuffer.equals(VC)) { - this._debug('Error: verification constant did not match') - this.destroy() - return - } - - for (const provideByte of peerProvideBuffer.values()) { - if (provideByte !== 0) { - this._peerCryptoProvide.push(provideByte) - } - } - if (this._peerCryptoProvide.includes(2)) { - this._encryptionMethod = 2 - } else { - this._debug('Error: RC4 encryption method not provided by peer') - this.destroy() - } - } - - _onPe4 (peerSelectBuffer) { - this._encryptionMethod = peerSelectBuffer.readUInt8(3) - if (!CRYPTO_PROVIDE.includes(this._encryptionMethod)) { - this._debug('Error: peer selected invalid crypto method') - this.destroy() - } - this._cryptoHandshakeDone = true - this._debug('crypto handshake done') - this.emit('pe4') - } - - _onHandshake (infoHashBuffer, peerIdBuffer, extensions) { - const infoHash = infoHashBuffer.toString('hex') - const peerId = peerIdBuffer.toString('hex') - - this._debug('got handshake i=%s p=%s exts=%o', infoHash, peerId, extensions) - - this.peerId = peerId - this.peerIdBuffer = peerIdBuffer - this.peerExtensions = extensions - - // BEP6 Fast Extension: The extension is enabled only if both ends of the connection set this bit. - if (this.extensions.fast && this.peerExtensions.fast) { - this._debug('fast extension is enabled') - this.hasFast = true - } - - this.emit('handshake', infoHash, peerId, extensions) - - for (const name in this._ext) { - this._ext[name].onHandshake(infoHash, peerId, extensions) - } - - if (extensions.extended && this._handshakeSent && - !this._extendedHandshakeSent) { - // outgoing connection - this._sendExtendedHandshake() - } - } - - _onChoke () { - this.peerChoking = true - this._debug('got choke') - this.emit('choke') - if (!this.hasFast) { - // BEP6 Fast Extension: Choke no longer implicitly rejects all pending requests - while (this.requests.length) { - this._callback(this.requests.pop(), new Error('peer is choking'), null) - } - } - } - - _onUnchoke () { - this.peerChoking = false - this._debug('got unchoke') - this.emit('unchoke') - } - - _onInterested () { - this.peerInterested = true - this._debug('got interested') - this.emit('interested') - } - - _onUninterested () { - this.peerInterested = false - this._debug('got uninterested') - this.emit('uninterested') - } - - _onHave (index) { - if (this.peerPieces.get(index)) return - this._debug('got have %d', index) - - this.peerPieces.set(index, true) - this.emit('have', index) - } - - _onBitField (buffer) { - this.peerPieces = new BitField(buffer) - this._debug('got bitfield') - this.emit('bitfield', this.peerPieces) - } - - _onRequest (index, offset, length) { - if (this.amChoking && !(this.hasFast && this.allowedFastSet.includes(index))) { - // BEP6: If a peer receives a request from a peer its choking, the peer receiving - // the request SHOULD send a reject unless the piece is in the allowed fast set. - if (this.hasFast) this.reject(index, offset, length) - return - } - this._debug('got request index=%d offset=%d length=%d', index, offset, length) - - const respond = (err, buffer) => { - if (request !== this._pull(this.peerRequests, index, offset, length)) return - if (err) { - this._debug('error satisfying request index=%d offset=%d length=%d (%s)', index, offset, length, err.message) - if (this.hasFast) this.reject(index, offset, length) - return - } - this.piece(index, offset, buffer) - } - - const request = new Request(index, offset, length, respond) - this.peerRequests.push(request) - this.emit('request', index, offset, length, respond) - } - - _onPiece (index, offset, buffer) { - this._debug('got piece index=%d offset=%d', index, offset) - this._callback(this._pull(this.requests, index, offset, buffer.length), null, buffer) - this.downloaded += buffer.length - this.downloadSpeed(buffer.length) - this.emit('download', buffer.length) - this.emit('piece', index, offset, buffer) - } - - _onCancel (index, offset, length) { - this._debug('got cancel index=%d offset=%d length=%d', index, offset, length) - this._pull(this.peerRequests, index, offset, length) - this.emit('cancel', index, offset, length) - } - - _onPort (port) { - this._debug('got port %d', port) - this.emit('port', port) - } - - _onSuggest (index) { - if (!this.hasFast) { - // BEP6: the peer MUST close the connection - this._debug('Error: got suggest whereas fast extension is disabled') - this.destroy() - return - } - this._debug('got suggest %d', index) - this.emit('suggest', index) - } - - _onHaveAll () { - if (!this.hasFast) { - // BEP6: the peer MUST close the connection - this._debug('Error: got have-all whereas fast extension is disabled') - this.destroy() - return - } - this._debug('got have-all') - this.peerPieces = new HaveAllBitField() - this.emit('have-all') - } - - _onHaveNone () { - if (!this.hasFast) { - // BEP6: the peer MUST close the connection - this._debug('Error: got have-none whereas fast extension is disabled') - this.destroy() - return - } - this._debug('got have-none') - this.emit('have-none') - } - - _onReject (index, offset, length) { - if (!this.hasFast) { - // BEP6: the peer MUST close the connection - this._debug('Error: got reject whereas fast extension is disabled') - this.destroy() - return - } - this._debug('got reject index=%d offset=%d length=%d', index, offset, length) - this._callback( - this._pull(this.requests, index, offset, length), - new Error('request was rejected'), - null - ) - this.emit('reject', index, offset, length) - } - - _onAllowedFast (index) { - if (!this.hasFast) { - // BEP6: the peer MUST close the connection - this._debug('Error: got allowed-fast whereas fast extension is disabled') - this.destroy() - return - } - this._debug('got allowed-fast %d', index) - if (!this.peerAllowedFastSet.includes(index)) this.peerAllowedFastSet.push(index) - if (this.peerAllowedFastSet.length > ALLOWED_FAST_SET_MAX_LENGTH) this.peerAllowedFastSet.shift() - this.emit('allowed-fast', index) - } - - _onExtended (ext, buf) { - if (ext === 0) { - let info - try { - info = bencode.decode(buf) - } catch (err) { - this._debug('ignoring invalid extended handshake: %s', err.message || err) - } - - if (!info) return - this.peerExtendedHandshake = info - - if (typeof info.m === 'object') { - for (const name in info.m) { - this.peerExtendedMapping[name] = Number(info.m[name].toString()) - } - } - for (const name in this._ext) { - if (this.peerExtendedMapping[name]) { - this._ext[name].onExtendedHandshake(this.peerExtendedHandshake) - } - } - this._debug('got extended handshake') - this.emit('extended', 'handshake', this.peerExtendedHandshake) - } else { - if (this.extendedMapping[ext]) { - ext = this.extendedMapping[ext] // friendly name for extension - if (this._ext[ext]) { - // there is an registered extension handler, so call it - this._ext[ext].onMessage(buf) - } - } - this._debug('got extended message ext=%s', ext) - this.emit('extended', ext, buf) - } - } - - _onTimeout () { - this._debug('request timed out') - this._callback(this.requests.shift(), new Error('request has timed out'), null) - this.emit('timeout') - } - - /** - * Duplex stream method. Called whenever the remote peer has data for us. Data that the - * remote peer sends gets buffered (i.e. not actually processed) until the right number - * of bytes have arrived, determined by the last call to `this._parse(number, callback)`. - * Once enough bytes have arrived to process the message, the callback function - * (i.e. `this._parser`) gets called with the full buffer of data. - * @param {Buffer} data - * @param {string} encoding - * @param {function} cb - */ - _write (data, encoding, cb) { - if (this._encryptionMethod === 2 && this._cryptoHandshakeDone) { - data = this._decrypt(data) - } - this._bufferSize += data.length - this._buffer.push(data) - if (this._buffer.length > 1) { - this._buffer = [Buffer.concat(this._buffer, this._bufferSize)] - } - // now this._buffer is an array containing a single Buffer - if (this._cryptoSyncPattern) { - const index = this._buffer[0].indexOf(this._cryptoSyncPattern) - if (index !== -1) { - this._buffer[0] = this._buffer[0].slice(index + this._cryptoSyncPattern.length) - this._bufferSize -= (index + this._cryptoSyncPattern.length) - this._cryptoSyncPattern = null - } else if (this._bufferSize + data.length > this._waitMaxBytes + this._cryptoSyncPattern.length) { - this._debug('Error: could not resynchronize') - this.destroy() - return - } - } - - while (this._bufferSize >= this._parserSize && !this._cryptoSyncPattern) { - if (this._parserSize === 0) { - this._parser(Buffer.from([])) - } else { - const buffer = this._buffer[0] - // console.log('buffer:', this._buffer) - this._bufferSize -= this._parserSize - this._buffer = this._bufferSize - ? [buffer.slice(this._parserSize)] - : [] - this._parser(buffer.slice(0, this._parserSize)) - } - } - - cb(null) // Signal that we're ready for more data - } - - _callback (request, err, buffer) { - if (!request) return - - this._resetTimeout(!this.peerChoking && !this._finished) - - request.callback(err, buffer) - } - - _resetTimeout (setAgain) { - if (!setAgain || !this._timeoutMs || !this.requests.length) { - clearTimeout(this._timeout) - this._timeout = null - this._timeoutExpiresAt = null - return - } - - const timeoutExpiresAt = Date.now() + this._timeoutMs - - if (this._timeout) { - // If existing expiration is already within 5% of correct, it's close enough - if (timeoutExpiresAt - this._timeoutExpiresAt < this._timeoutMs * 0.05) { - return - } - clearTimeout(this._timeout) - } - - this._timeoutExpiresAt = timeoutExpiresAt - this._timeout = setTimeout(() => this._onTimeout(), this._timeoutMs) - if (this._timeoutUnref && this._timeout.unref) this._timeout.unref() - } - - /** - * Takes a number of bytes that the local peer is waiting to receive from the remote peer - * in order to parse a complete message, and a callback function to be called once enough - * bytes have arrived. - * @param {number} size - * @param {function} parser - */ - _parse (size, parser) { - this._parserSize = size - this._parser = parser - } - - _parseUntil (pattern, maxBytes) { - this._cryptoSyncPattern = pattern - this._waitMaxBytes = maxBytes - } - - /** - * Handle the first 4 bytes of a message, to determine the length of bytes that must be - * waited for in order to have the whole message. - * @param {Buffer} buffer - */ - _onMessageLength (buffer) { - const length = buffer.readUInt32BE(0) - if (length > 0) { - this._parse(length, this._onMessage) - } else { - this._onKeepAlive() - this._parse(4, this._onMessageLength) - } - } - - /** - * Handle a message from the remote peer. - * @param {Buffer} buffer - */ - _onMessage (buffer) { - this._parse(4, this._onMessageLength) - switch (buffer[0]) { - case 0: - return this._onChoke() - case 1: - return this._onUnchoke() - case 2: - return this._onInterested() - case 3: - return this._onUninterested() - case 4: - return this._onHave(buffer.readUInt32BE(1)) - case 5: - return this._onBitField(buffer.slice(1)) - case 6: - return this._onRequest( - buffer.readUInt32BE(1), - buffer.readUInt32BE(5), - buffer.readUInt32BE(9) - ) - case 7: - return this._onPiece( - buffer.readUInt32BE(1), - buffer.readUInt32BE(5), - buffer.slice(9) - ) - case 8: - return this._onCancel( - buffer.readUInt32BE(1), - buffer.readUInt32BE(5), - buffer.readUInt32BE(9) - ) - case 9: - return this._onPort(buffer.readUInt16BE(1)) - case 0x0D: - return this._onSuggest(buffer.readUInt32BE(1)) - case 0x0E: - return this._onHaveAll() - case 0x0F: - return this._onHaveNone() - case 0x10: - return this._onReject( - buffer.readUInt32BE(1), - buffer.readUInt32BE(5), - buffer.readUInt32BE(9) - ) - case 0x11: - return this._onAllowedFast(buffer.readUInt32BE(1)) - case 20: - return this._onExtended(buffer.readUInt8(1), buffer.slice(2)) - default: - this._debug('got unknown message') - return this.emit('unknownmessage', buffer) - } - } - - _determineHandshakeType () { - this._parse(1, pstrLenBuffer => { - const pstrlen = pstrLenBuffer.readUInt8(0) - if (pstrlen === 19) { - this._parse(pstrlen + 48, this._onHandshakeBuffer) - } else { - this._parsePe1(pstrLenBuffer) - } - }) - } - - _parsePe1 (pubKeyPrefix) { - this._parse(95, pubKeySuffix => { - this._onPe1(Buffer.concat([pubKeyPrefix, pubKeySuffix])) - this._parsePe3() - }) - } - - _parsePe2 () { - this._parse(96, pubKey => { - this._onPe2(pubKey) - while (!this._setGenerators) { - // Wait until generators have been set - } - this._parsePe4() - }) - } - - // Handles the unencrypted portion of step 4 - _parsePe3 () { - const hash1Buffer = Buffer.from(sha1.sync(Buffer.from(this._utfToHex('req1') + this._sharedSecret, 'hex')), 'hex') - // synchronize on HASH('req1', S) - this._parseUntil(hash1Buffer, 512) - this._parse(20, buffer => { - this._onPe3(buffer) - while (!this._setGenerators) { - // Wait until generators have been set - } - this._parsePe3Encrypted() - }) - } - - _parsePe3Encrypted () { - this._parse(14, buffer => { - const vcBuffer = this._decryptHandshake(buffer.slice(0, 8)) - const peerProvideBuffer = this._decryptHandshake(buffer.slice(8, 12)) - const padCLen = this._decryptHandshake(buffer.slice(12, 14)).readUInt16BE(0) - this._parse(padCLen, padCBuffer => { - padCBuffer = this._decryptHandshake(padCBuffer) - this._parse(2, iaLenBuf => { - const iaLen = this._decryptHandshake(iaLenBuf).readUInt16BE(0) - this._parse(iaLen, iaBuffer => { - iaBuffer = this._decryptHandshake(iaBuffer) - this._onPe3Encrypted(vcBuffer, peerProvideBuffer, padCBuffer, iaBuffer) - const pstrlen = iaLen ? iaBuffer.readUInt8(0) : null - const protocol = iaLen ? iaBuffer.slice(1, 20) : null - if (pstrlen === 19 && protocol.toString() === 'BitTorrent protocol') { - this._onHandshakeBuffer(iaBuffer.slice(1)) - } else { - this._parseHandshake() - } - }) - }) - }) - }) - } - - _parsePe4 () { - // synchronize on ENCRYPT(VC). - // since we encrypt using bitwise xor, decryption and encryption are the same operation. - // calling _decryptHandshake here advances the decrypt generator keystream forward 8 bytes - const vcBufferEncrypted = this._decryptHandshake(VC) - this._parseUntil(vcBufferEncrypted, 512) - this._parse(6, buffer => { - const peerSelectBuffer = this._decryptHandshake(buffer.slice(0, 4)) - const padDLen = this._decryptHandshake(buffer.slice(4, 6)).readUInt16BE(0) - this._parse(padDLen, padDBuf => { - this._decryptHandshake(padDBuf) - this._onPe4(peerSelectBuffer) - this._parseHandshake(null) - }) - }) - } - - /** - * Reads the handshake as specified by the bittorrent wire protocol. - */ - _parseHandshake () { - this._parse(1, buffer => { - const pstrlen = buffer.readUInt8(0) - if (pstrlen !== 19) { - this._debug('Error: wire not speaking BitTorrent protocol (%s)', pstrlen.toString()) - this.end() - return - } - this._parse(pstrlen + 48, this._onHandshakeBuffer) - }) - } - - _onHandshakeBuffer (handshake) { - const protocol = handshake.slice(0, 19) - if (protocol.toString() !== 'BitTorrent protocol') { - this._debug('Error: wire not speaking BitTorrent protocol (%s)', protocol.toString()) - this.end() - return - } - handshake = handshake.slice(19) - this._onHandshake(handshake.slice(8, 28), handshake.slice(28, 48), { - dht: !!(handshake[7] & 0x01), // see bep_0005 - fast: !!(handshake[7] & 0x04), // see bep_0006 - extended: !!(handshake[5] & 0x10) // see bep_0010 - }) - this._parse(4, this._onMessageLength) - } - - _onFinish () { - this._finished = true - - this.push(null) // stream cannot be half open, so signal the end of it - while (this.read()) { - // body intentionally empty - // consume and discard the rest of the stream data - } - - clearInterval(this._keepAliveInterval) - this._parse(Number.MAX_VALUE, () => {}) - while (this.peerRequests.length) { - this.peerRequests.pop() - } - while (this.requests.length) { - this._callback(this.requests.pop(), new Error('wire was closed'), null) - } - } - - _debug (...args) { - args[0] = `[${this._debugId}] ${args[0]}` - debug(...args) - } - - _pull (requests, piece, offset, length) { - for (let i = 0; i < requests.length; i++) { - const req = requests[i] - if (req.piece === piece && req.offset === offset && req.length === length) { - arrayRemove(requests, i) - return req - } - } - return null - } - - _encryptHandshake (buf) { - const crypt = Buffer.from(buf) - if (!this._encryptGenerator) { - this._debug('Warning: Encrypting without any generator') - return crypt - } - - for (let i = 0; i < buf.length; i++) { - const keystream = this._encryptGenerator.randomByte() - crypt[i] = crypt[i] ^ keystream - } - - return crypt - } - - _encrypt (buf) { - const crypt = Buffer.from(buf) - - if (!this._encryptGenerator || this._encryptionMethod !== 2) { - return crypt - } - for (let i = 0; i < buf.length; i++) { - const keystream = this._encryptGenerator.randomByte() - crypt[i] = crypt[i] ^ keystream - } - - return crypt - } - - _decryptHandshake (buf) { - const decrypt = Buffer.from(buf) - - if (!this._decryptGenerator) { - this._debug('Warning: Decrypting without any generator') - return decrypt - } - for (let i = 0; i < buf.length; i++) { - const keystream = this._decryptGenerator.randomByte() - decrypt[i] = decrypt[i] ^ keystream - } - - return decrypt - } - - _decrypt (buf) { - const decrypt = Buffer.from(buf) - - if (!this._decryptGenerator || this._encryptionMethod !== 2) { - return decrypt - } - for (let i = 0; i < buf.length; i++) { - const keystream = this._decryptGenerator.randomByte() - decrypt[i] = decrypt[i] ^ keystream - } - - return decrypt - } - - _utfToHex (str) { - return Buffer.from(str, 'utf8').toString('hex') - } -} - -module.exports = Wire - -}).call(this)}).call(this,require("buffer").Buffer) -},{"bencode":22,"bitfield":26,"buffer":110,"crypto":147,"debug":148,"randombytes":330,"rc4":349,"readable-stream":42,"simple-sha1":386,"speedometer":408,"unordered-array-remove":456}],28:[function(require,module,exports){ -'use strict'; - -function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - -var codes = {}; - -function createErrorType(code, message, Base) { - if (!Base) { - Base = Error; - } - - function getMessage(arg1, arg2, arg3) { - if (typeof message === 'string') { - return message; - } else { - return message(arg1, arg2, arg3); - } - } - - var NodeError = - /*#__PURE__*/ - function (_Base) { - _inheritsLoose(NodeError, _Base); - - function NodeError(arg1, arg2, arg3) { - return _Base.call(this, getMessage(arg1, arg2, arg3)) || this; - } - - return NodeError; - }(Base); - - NodeError.prototype.name = Base.name; - NodeError.prototype.code = code; - codes[code] = NodeError; -} // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js - - -function oneOf(expected, thing) { - if (Array.isArray(expected)) { - var len = expected.length; - expected = expected.map(function (i) { - return String(i); - }); - - if (len > 2) { - return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1]; - } else if (len === 2) { - return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]); - } else { - return "of ".concat(thing, " ").concat(expected[0]); - } - } else { - return "of ".concat(thing, " ").concat(String(expected)); - } -} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith - - -function startsWith(str, search, pos) { - return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search; -} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith - - -function endsWith(str, search, this_len) { - if (this_len === undefined || this_len > str.length) { - this_len = str.length; - } - - return str.substring(this_len - search.length, this_len) === search; -} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes - - -function includes(str, search, start) { - if (typeof start !== 'number') { - start = 0; - } - - if (start + search.length > str.length) { - return false; - } else { - return str.indexOf(search, start) !== -1; - } -} - -createErrorType('ERR_INVALID_OPT_VALUE', function (name, value) { - return 'The value "' + value + '" is invalid for option "' + name + '"'; -}, TypeError); -createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) { - // determiner: 'must be' or 'must not be' - var determiner; - - if (typeof expected === 'string' && startsWith(expected, 'not ')) { - determiner = 'must not be'; - expected = expected.replace(/^not /, ''); - } else { - determiner = 'must be'; - } - - var msg; - - if (endsWith(name, ' argument')) { - // For cases like 'first argument' - msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type')); - } else { - var type = includes(name, '.') ? 'property' : 'argument'; - msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type')); - } - - msg += ". Received type ".concat(typeof actual); - return msg; -}, TypeError); -createErrorType('ERR_STREAM_PUSH_AFTER_EOF', 'stream.push() after EOF'); -createErrorType('ERR_METHOD_NOT_IMPLEMENTED', function (name) { - return 'The ' + name + ' method is not implemented'; -}); -createErrorType('ERR_STREAM_PREMATURE_CLOSE', 'Premature close'); -createErrorType('ERR_STREAM_DESTROYED', function (name) { - return 'Cannot call ' + name + ' after a stream was destroyed'; -}); -createErrorType('ERR_MULTIPLE_CALLBACK', 'Callback called multiple times'); -createErrorType('ERR_STREAM_CANNOT_PIPE', 'Cannot pipe, not readable'); -createErrorType('ERR_STREAM_WRITE_AFTER_END', 'write after end'); -createErrorType('ERR_STREAM_NULL_VALUES', 'May not write null values to stream', TypeError); -createErrorType('ERR_UNKNOWN_ENCODING', function (arg) { - return 'Unknown encoding: ' + arg; -}, TypeError); -createErrorType('ERR_STREAM_UNSHIFT_AFTER_END_EVENT', 'stream.unshift() after end event'); -module.exports.codes = codes; - -},{}],29:[function(require,module,exports){ -(function (process){(function (){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -// a duplex stream is just a stream that is both readable and writable. -// Since JS doesn't have multiple prototypal inheritance, this class -// prototypally inherits from Readable, and then parasitically from -// Writable. - -'use strict'; - -/**/ -var objectKeys = Object.keys || function (obj) { - var keys = []; - for (var key in obj) keys.push(key); - return keys; -}; -/**/ - -module.exports = Duplex; -var Readable = require('./_stream_readable'); -var Writable = require('./_stream_writable'); -require('inherits')(Duplex, Readable); -{ - // Allow the keys array to be GC'ed. - var keys = objectKeys(Writable.prototype); - for (var v = 0; v < keys.length; v++) { - var method = keys[v]; - if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method]; - } -} -function Duplex(options) { - if (!(this instanceof Duplex)) return new Duplex(options); - Readable.call(this, options); - Writable.call(this, options); - this.allowHalfOpen = true; - if (options) { - if (options.readable === false) this.readable = false; - if (options.writable === false) this.writable = false; - if (options.allowHalfOpen === false) { - this.allowHalfOpen = false; - this.once('end', onend); - } - } -} -Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._writableState.highWaterMark; - } -}); -Object.defineProperty(Duplex.prototype, 'writableBuffer', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._writableState && this._writableState.getBuffer(); - } -}); -Object.defineProperty(Duplex.prototype, 'writableLength', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._writableState.length; - } -}); - -// the no-half-open enforcer -function onend() { - // If the writable side ended, then we're ok. - if (this._writableState.ended) return; - - // no more data can be written. - // But allow more writes to happen in this tick. - process.nextTick(onEndNT, this); -} -function onEndNT(self) { - self.end(); -} -Object.defineProperty(Duplex.prototype, 'destroyed', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - if (this._readableState === undefined || this._writableState === undefined) { - return false; - } - return this._readableState.destroyed && this._writableState.destroyed; - }, - set: function set(value) { - // we ignore the value if the stream - // has not been initialized yet - if (this._readableState === undefined || this._writableState === undefined) { - return; - } - - // backward compatibility, the user is explicitly - // managing destroyed - this._readableState.destroyed = value; - this._writableState.destroyed = value; - } -}); -}).call(this)}).call(this,require('_process')) -},{"./_stream_readable":31,"./_stream_writable":33,"_process":309,"inherits":229}],30:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -// a passthrough stream. -// basically just the most minimal sort of Transform stream. -// Every written chunk gets output as-is. - -'use strict'; - -module.exports = PassThrough; -var Transform = require('./_stream_transform'); -require('inherits')(PassThrough, Transform); -function PassThrough(options) { - if (!(this instanceof PassThrough)) return new PassThrough(options); - Transform.call(this, options); -} -PassThrough.prototype._transform = function (chunk, encoding, cb) { - cb(null, chunk); -}; -},{"./_stream_transform":32,"inherits":229}],31:[function(require,module,exports){ -(function (process,global){(function (){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -'use strict'; - -module.exports = Readable; - -/**/ -var Duplex; -/**/ - -Readable.ReadableState = ReadableState; - -/**/ -var EE = require('events').EventEmitter; -var EElistenerCount = function EElistenerCount(emitter, type) { - return emitter.listeners(type).length; -}; -/**/ - -/**/ -var Stream = require('./internal/streams/stream'); -/**/ - -var Buffer = require('buffer').Buffer; -var OurUint8Array = (typeof global !== 'undefined' ? global : typeof window !== 'undefined' ? window : typeof self !== 'undefined' ? self : {}).Uint8Array || function () {}; -function _uint8ArrayToBuffer(chunk) { - return Buffer.from(chunk); -} -function _isUint8Array(obj) { - return Buffer.isBuffer(obj) || obj instanceof OurUint8Array; -} - -/**/ -var debugUtil = require('util'); -var debug; -if (debugUtil && debugUtil.debuglog) { - debug = debugUtil.debuglog('stream'); -} else { - debug = function debug() {}; -} -/**/ - -var BufferList = require('./internal/streams/buffer_list'); -var destroyImpl = require('./internal/streams/destroy'); -var _require = require('./internal/streams/state'), - getHighWaterMark = _require.getHighWaterMark; -var _require$codes = require('../errors').codes, - ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE, - ERR_STREAM_PUSH_AFTER_EOF = _require$codes.ERR_STREAM_PUSH_AFTER_EOF, - ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED, - ERR_STREAM_UNSHIFT_AFTER_END_EVENT = _require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT; - -// Lazy loaded to improve the startup performance. -var StringDecoder; -var createReadableStreamAsyncIterator; -var from; -require('inherits')(Readable, Stream); -var errorOrDestroy = destroyImpl.errorOrDestroy; -var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume']; -function prependListener(emitter, event, fn) { - // Sadly this is not cacheable as some libraries bundle their own - // event emitter implementation with them. - if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn); - - // This is a hack to make sure that our error handler is attached before any - // userland ones. NEVER DO THIS. This is here only because this code needs - // to continue to work with older versions of Node.js that do not include - // the prependListener() method. The goal is to eventually remove this hack. - if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (Array.isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]]; -} -function ReadableState(options, stream, isDuplex) { - Duplex = Duplex || require('./_stream_duplex'); - options = options || {}; - - // Duplex streams are both readable and writable, but share - // the same options object. - // However, some cases require setting options to different - // values for the readable and the writable sides of the duplex stream. - // These options can be provided separately as readableXXX and writableXXX. - if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; - - // object stream flag. Used to make read(n) ignore n and to - // make all the buffer merging and length checks go away - this.objectMode = !!options.objectMode; - if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode; - - // the point at which it stops calling _read() to fill the buffer - // Note: 0 is a valid value, means "don't call _read preemptively ever" - this.highWaterMark = getHighWaterMark(this, options, 'readableHighWaterMark', isDuplex); - - // A linked list is used to store data chunks instead of an array because the - // linked list can remove elements from the beginning faster than - // array.shift() - this.buffer = new BufferList(); - this.length = 0; - this.pipes = null; - this.pipesCount = 0; - this.flowing = null; - this.ended = false; - this.endEmitted = false; - this.reading = false; - - // a flag to be able to tell if the event 'readable'/'data' is emitted - // immediately, or on a later tick. We set this to true at first, because - // any actions that shouldn't happen until "later" should generally also - // not happen before the first read call. - this.sync = true; - - // whenever we return null, then we set a flag to say - // that we're awaiting a 'readable' event emission. - this.needReadable = false; - this.emittedReadable = false; - this.readableListening = false; - this.resumeScheduled = false; - this.paused = true; - - // Should close be emitted on destroy. Defaults to true. - this.emitClose = options.emitClose !== false; - - // Should .destroy() be called after 'end' (and potentially 'finish') - this.autoDestroy = !!options.autoDestroy; - - // has it been destroyed - this.destroyed = false; - - // Crypto is kind of old and crusty. Historically, its default string - // encoding is 'binary' so we have to make this configurable. - // Everything else in the universe uses 'utf8', though. - this.defaultEncoding = options.defaultEncoding || 'utf8'; - - // the number of writers that are awaiting a drain event in .pipe()s - this.awaitDrain = 0; - - // if true, a maybeReadMore has been scheduled - this.readingMore = false; - this.decoder = null; - this.encoding = null; - if (options.encoding) { - if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder; - this.decoder = new StringDecoder(options.encoding); - this.encoding = options.encoding; - } -} -function Readable(options) { - Duplex = Duplex || require('./_stream_duplex'); - if (!(this instanceof Readable)) return new Readable(options); - - // Checking for a Stream.Duplex instance is faster here instead of inside - // the ReadableState constructor, at least with V8 6.5 - var isDuplex = this instanceof Duplex; - this._readableState = new ReadableState(options, this, isDuplex); - - // legacy - this.readable = true; - if (options) { - if (typeof options.read === 'function') this._read = options.read; - if (typeof options.destroy === 'function') this._destroy = options.destroy; - } - Stream.call(this); -} -Object.defineProperty(Readable.prototype, 'destroyed', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - if (this._readableState === undefined) { - return false; - } - return this._readableState.destroyed; - }, - set: function set(value) { - // we ignore the value if the stream - // has not been initialized yet - if (!this._readableState) { - return; - } - - // backward compatibility, the user is explicitly - // managing destroyed - this._readableState.destroyed = value; - } -}); -Readable.prototype.destroy = destroyImpl.destroy; -Readable.prototype._undestroy = destroyImpl.undestroy; -Readable.prototype._destroy = function (err, cb) { - cb(err); -}; - -// Manually shove something into the read() buffer. -// This returns true if the highWaterMark has not been hit yet, -// similar to how Writable.write() returns true if you should -// write() some more. -Readable.prototype.push = function (chunk, encoding) { - var state = this._readableState; - var skipChunkCheck; - if (!state.objectMode) { - if (typeof chunk === 'string') { - encoding = encoding || state.defaultEncoding; - if (encoding !== state.encoding) { - chunk = Buffer.from(chunk, encoding); - encoding = ''; - } - skipChunkCheck = true; - } - } else { - skipChunkCheck = true; - } - return readableAddChunk(this, chunk, encoding, false, skipChunkCheck); -}; - -// Unshift should *always* be something directly out of read() -Readable.prototype.unshift = function (chunk) { - return readableAddChunk(this, chunk, null, true, false); -}; -function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) { - debug('readableAddChunk', chunk); - var state = stream._readableState; - if (chunk === null) { - state.reading = false; - onEofChunk(stream, state); - } else { - var er; - if (!skipChunkCheck) er = chunkInvalid(state, chunk); - if (er) { - errorOrDestroy(stream, er); - } else if (state.objectMode || chunk && chunk.length > 0) { - if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) { - chunk = _uint8ArrayToBuffer(chunk); - } - if (addToFront) { - if (state.endEmitted) errorOrDestroy(stream, new ERR_STREAM_UNSHIFT_AFTER_END_EVENT());else addChunk(stream, state, chunk, true); - } else if (state.ended) { - errorOrDestroy(stream, new ERR_STREAM_PUSH_AFTER_EOF()); - } else if (state.destroyed) { - return false; - } else { - state.reading = false; - if (state.decoder && !encoding) { - chunk = state.decoder.write(chunk); - if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state); - } else { - addChunk(stream, state, chunk, false); - } - } - } else if (!addToFront) { - state.reading = false; - maybeReadMore(stream, state); - } - } - - // We can push more data if we are below the highWaterMark. - // Also, if we have no data yet, we can stand some more bytes. - // This is to work around cases where hwm=0, such as the repl. - return !state.ended && (state.length < state.highWaterMark || state.length === 0); -} -function addChunk(stream, state, chunk, addToFront) { - if (state.flowing && state.length === 0 && !state.sync) { - state.awaitDrain = 0; - stream.emit('data', chunk); - } else { - // update the buffer info. - state.length += state.objectMode ? 1 : chunk.length; - if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk); - if (state.needReadable) emitReadable(stream); - } - maybeReadMore(stream, state); -} -function chunkInvalid(state, chunk) { - var er; - if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) { - er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer', 'Uint8Array'], chunk); - } - return er; -} -Readable.prototype.isPaused = function () { - return this._readableState.flowing === false; -}; - -// backwards compatibility. -Readable.prototype.setEncoding = function (enc) { - if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder; - var decoder = new StringDecoder(enc); - this._readableState.decoder = decoder; - // If setEncoding(null), decoder.encoding equals utf8 - this._readableState.encoding = this._readableState.decoder.encoding; - - // Iterate over current buffer to convert already stored Buffers: - var p = this._readableState.buffer.head; - var content = ''; - while (p !== null) { - content += decoder.write(p.data); - p = p.next; - } - this._readableState.buffer.clear(); - if (content !== '') this._readableState.buffer.push(content); - this._readableState.length = content.length; - return this; -}; - -// Don't raise the hwm > 1GB -var MAX_HWM = 0x40000000; -function computeNewHighWaterMark(n) { - if (n >= MAX_HWM) { - // TODO(ronag): Throw ERR_VALUE_OUT_OF_RANGE. - n = MAX_HWM; - } else { - // Get the next highest power of 2 to prevent increasing hwm excessively in - // tiny amounts - n--; - n |= n >>> 1; - n |= n >>> 2; - n |= n >>> 4; - n |= n >>> 8; - n |= n >>> 16; - n++; - } - return n; -} - -// This function is designed to be inlinable, so please take care when making -// changes to the function body. -function howMuchToRead(n, state) { - if (n <= 0 || state.length === 0 && state.ended) return 0; - if (state.objectMode) return 1; - if (n !== n) { - // Only flow one buffer at a time - if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length; - } - // If we're asking for more than the current hwm, then raise the hwm. - if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n); - if (n <= state.length) return n; - // Don't have enough - if (!state.ended) { - state.needReadable = true; - return 0; - } - return state.length; -} - -// you can override either this method, or the async _read(n) below. -Readable.prototype.read = function (n) { - debug('read', n); - n = parseInt(n, 10); - var state = this._readableState; - var nOrig = n; - if (n !== 0) state.emittedReadable = false; - - // if we're doing read(0) to trigger a readable event, but we - // already have a bunch of data in the buffer, then just trigger - // the 'readable' event and move on. - if (n === 0 && state.needReadable && ((state.highWaterMark !== 0 ? state.length >= state.highWaterMark : state.length > 0) || state.ended)) { - debug('read: emitReadable', state.length, state.ended); - if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this); - return null; - } - n = howMuchToRead(n, state); - - // if we've ended, and we're now clear, then finish it up. - if (n === 0 && state.ended) { - if (state.length === 0) endReadable(this); - return null; - } - - // All the actual chunk generation logic needs to be - // *below* the call to _read. The reason is that in certain - // synthetic stream cases, such as passthrough streams, _read - // may be a completely synchronous operation which may change - // the state of the read buffer, providing enough data when - // before there was *not* enough. - // - // So, the steps are: - // 1. Figure out what the state of things will be after we do - // a read from the buffer. - // - // 2. If that resulting state will trigger a _read, then call _read. - // Note that this may be asynchronous, or synchronous. Yes, it is - // deeply ugly to write APIs this way, but that still doesn't mean - // that the Readable class should behave improperly, as streams are - // designed to be sync/async agnostic. - // Take note if the _read call is sync or async (ie, if the read call - // has returned yet), so that we know whether or not it's safe to emit - // 'readable' etc. - // - // 3. Actually pull the requested chunks out of the buffer and return. - - // if we need a readable event, then we need to do some reading. - var doRead = state.needReadable; - debug('need readable', doRead); - - // if we currently have less than the highWaterMark, then also read some - if (state.length === 0 || state.length - n < state.highWaterMark) { - doRead = true; - debug('length less than watermark', doRead); - } - - // however, if we've ended, then there's no point, and if we're already - // reading, then it's unnecessary. - if (state.ended || state.reading) { - doRead = false; - debug('reading or ended', doRead); - } else if (doRead) { - debug('do read'); - state.reading = true; - state.sync = true; - // if the length is currently zero, then we *need* a readable event. - if (state.length === 0) state.needReadable = true; - // call internal read method - this._read(state.highWaterMark); - state.sync = false; - // If _read pushed data synchronously, then `reading` will be false, - // and we need to re-evaluate how much data we can return to the user. - if (!state.reading) n = howMuchToRead(nOrig, state); - } - var ret; - if (n > 0) ret = fromList(n, state);else ret = null; - if (ret === null) { - state.needReadable = state.length <= state.highWaterMark; - n = 0; - } else { - state.length -= n; - state.awaitDrain = 0; - } - if (state.length === 0) { - // If we have nothing in the buffer, then we want to know - // as soon as we *do* get something into the buffer. - if (!state.ended) state.needReadable = true; - - // If we tried to read() past the EOF, then emit end on the next tick. - if (nOrig !== n && state.ended) endReadable(this); - } - if (ret !== null) this.emit('data', ret); - return ret; -}; -function onEofChunk(stream, state) { - debug('onEofChunk'); - if (state.ended) return; - if (state.decoder) { - var chunk = state.decoder.end(); - if (chunk && chunk.length) { - state.buffer.push(chunk); - state.length += state.objectMode ? 1 : chunk.length; - } - } - state.ended = true; - if (state.sync) { - // if we are sync, wait until next tick to emit the data. - // Otherwise we risk emitting data in the flow() - // the readable code triggers during a read() call - emitReadable(stream); - } else { - // emit 'readable' now to make sure it gets picked up. - state.needReadable = false; - if (!state.emittedReadable) { - state.emittedReadable = true; - emitReadable_(stream); - } - } -} - -// Don't emit readable right away in sync mode, because this can trigger -// another read() call => stack overflow. This way, it might trigger -// a nextTick recursion warning, but that's not so bad. -function emitReadable(stream) { - var state = stream._readableState; - debug('emitReadable', state.needReadable, state.emittedReadable); - state.needReadable = false; - if (!state.emittedReadable) { - debug('emitReadable', state.flowing); - state.emittedReadable = true; - process.nextTick(emitReadable_, stream); - } -} -function emitReadable_(stream) { - var state = stream._readableState; - debug('emitReadable_', state.destroyed, state.length, state.ended); - if (!state.destroyed && (state.length || state.ended)) { - stream.emit('readable'); - state.emittedReadable = false; - } - - // The stream needs another readable event if - // 1. It is not flowing, as the flow mechanism will take - // care of it. - // 2. It is not ended. - // 3. It is below the highWaterMark, so we can schedule - // another readable later. - state.needReadable = !state.flowing && !state.ended && state.length <= state.highWaterMark; - flow(stream); -} - -// at this point, the user has presumably seen the 'readable' event, -// and called read() to consume some data. that may have triggered -// in turn another _read(n) call, in which case reading = true if -// it's in progress. -// However, if we're not ended, or reading, and the length < hwm, -// then go ahead and try to read some more preemptively. -function maybeReadMore(stream, state) { - if (!state.readingMore) { - state.readingMore = true; - process.nextTick(maybeReadMore_, stream, state); - } -} -function maybeReadMore_(stream, state) { - // Attempt to read more data if we should. - // - // The conditions for reading more data are (one of): - // - Not enough data buffered (state.length < state.highWaterMark). The loop - // is responsible for filling the buffer with enough data if such data - // is available. If highWaterMark is 0 and we are not in the flowing mode - // we should _not_ attempt to buffer any extra data. We'll get more data - // when the stream consumer calls read() instead. - // - No data in the buffer, and the stream is in flowing mode. In this mode - // the loop below is responsible for ensuring read() is called. Failing to - // call read here would abort the flow and there's no other mechanism for - // continuing the flow if the stream consumer has just subscribed to the - // 'data' event. - // - // In addition to the above conditions to keep reading data, the following - // conditions prevent the data from being read: - // - The stream has ended (state.ended). - // - There is already a pending 'read' operation (state.reading). This is a - // case where the the stream has called the implementation defined _read() - // method, but they are processing the call asynchronously and have _not_ - // called push() with new data. In this case we skip performing more - // read()s. The execution ends in this method again after the _read() ends - // up calling push() with more data. - while (!state.reading && !state.ended && (state.length < state.highWaterMark || state.flowing && state.length === 0)) { - var len = state.length; - debug('maybeReadMore read 0'); - stream.read(0); - if (len === state.length) - // didn't get any data, stop spinning. - break; - } - state.readingMore = false; -} - -// abstract method. to be overridden in specific implementation classes. -// call cb(er, data) where data is <= n in length. -// for virtual (non-string, non-buffer) streams, "length" is somewhat -// arbitrary, and perhaps not very meaningful. -Readable.prototype._read = function (n) { - errorOrDestroy(this, new ERR_METHOD_NOT_IMPLEMENTED('_read()')); -}; -Readable.prototype.pipe = function (dest, pipeOpts) { - var src = this; - var state = this._readableState; - switch (state.pipesCount) { - case 0: - state.pipes = dest; - break; - case 1: - state.pipes = [state.pipes, dest]; - break; - default: - state.pipes.push(dest); - break; - } - state.pipesCount += 1; - debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts); - var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr; - var endFn = doEnd ? onend : unpipe; - if (state.endEmitted) process.nextTick(endFn);else src.once('end', endFn); - dest.on('unpipe', onunpipe); - function onunpipe(readable, unpipeInfo) { - debug('onunpipe'); - if (readable === src) { - if (unpipeInfo && unpipeInfo.hasUnpiped === false) { - unpipeInfo.hasUnpiped = true; - cleanup(); - } - } - } - function onend() { - debug('onend'); - dest.end(); - } - - // when the dest drains, it reduces the awaitDrain counter - // on the source. This would be more elegant with a .once() - // handler in flow(), but adding and removing repeatedly is - // too slow. - var ondrain = pipeOnDrain(src); - dest.on('drain', ondrain); - var cleanedUp = false; - function cleanup() { - debug('cleanup'); - // cleanup event handlers once the pipe is broken - dest.removeListener('close', onclose); - dest.removeListener('finish', onfinish); - dest.removeListener('drain', ondrain); - dest.removeListener('error', onerror); - dest.removeListener('unpipe', onunpipe); - src.removeListener('end', onend); - src.removeListener('end', unpipe); - src.removeListener('data', ondata); - cleanedUp = true; - - // if the reader is waiting for a drain event from this - // specific writer, then it would cause it to never start - // flowing again. - // So, if this is awaiting a drain, then we just call it now. - // If we don't know, then assume that we are waiting for one. - if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain(); - } - src.on('data', ondata); - function ondata(chunk) { - debug('ondata'); - var ret = dest.write(chunk); - debug('dest.write', ret); - if (ret === false) { - // If the user unpiped during `dest.write()`, it is possible - // to get stuck in a permanently paused state if that write - // also returned false. - // => Check whether `dest` is still a piping destination. - if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) { - debug('false write response, pause', state.awaitDrain); - state.awaitDrain++; - } - src.pause(); - } - } - - // if the dest has an error, then stop piping into it. - // however, don't suppress the throwing behavior for this. - function onerror(er) { - debug('onerror', er); - unpipe(); - dest.removeListener('error', onerror); - if (EElistenerCount(dest, 'error') === 0) errorOrDestroy(dest, er); - } - - // Make sure our error handler is attached before userland ones. - prependListener(dest, 'error', onerror); - - // Both close and finish should trigger unpipe, but only once. - function onclose() { - dest.removeListener('finish', onfinish); - unpipe(); - } - dest.once('close', onclose); - function onfinish() { - debug('onfinish'); - dest.removeListener('close', onclose); - unpipe(); - } - dest.once('finish', onfinish); - function unpipe() { - debug('unpipe'); - src.unpipe(dest); - } - - // tell the dest that it's being piped to - dest.emit('pipe', src); - - // start the flow if it hasn't been started already. - if (!state.flowing) { - debug('pipe resume'); - src.resume(); - } - return dest; -}; -function pipeOnDrain(src) { - return function pipeOnDrainFunctionResult() { - var state = src._readableState; - debug('pipeOnDrain', state.awaitDrain); - if (state.awaitDrain) state.awaitDrain--; - if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) { - state.flowing = true; - flow(src); - } - }; -} -Readable.prototype.unpipe = function (dest) { - var state = this._readableState; - var unpipeInfo = { - hasUnpiped: false - }; - - // if we're not piping anywhere, then do nothing. - if (state.pipesCount === 0) return this; - - // just one destination. most common case. - if (state.pipesCount === 1) { - // passed in one, but it's not the right one. - if (dest && dest !== state.pipes) return this; - if (!dest) dest = state.pipes; - - // got a match. - state.pipes = null; - state.pipesCount = 0; - state.flowing = false; - if (dest) dest.emit('unpipe', this, unpipeInfo); - return this; - } - - // slow case. multiple pipe destinations. - - if (!dest) { - // remove all. - var dests = state.pipes; - var len = state.pipesCount; - state.pipes = null; - state.pipesCount = 0; - state.flowing = false; - for (var i = 0; i < len; i++) dests[i].emit('unpipe', this, { - hasUnpiped: false - }); - return this; - } - - // try to find the right one. - var index = indexOf(state.pipes, dest); - if (index === -1) return this; - state.pipes.splice(index, 1); - state.pipesCount -= 1; - if (state.pipesCount === 1) state.pipes = state.pipes[0]; - dest.emit('unpipe', this, unpipeInfo); - return this; -}; - -// set up data events if they are asked for -// Ensure readable listeners eventually get something -Readable.prototype.on = function (ev, fn) { - var res = Stream.prototype.on.call(this, ev, fn); - var state = this._readableState; - if (ev === 'data') { - // update readableListening so that resume() may be a no-op - // a few lines down. This is needed to support once('readable'). - state.readableListening = this.listenerCount('readable') > 0; - - // Try start flowing on next tick if stream isn't explicitly paused - if (state.flowing !== false) this.resume(); - } else if (ev === 'readable') { - if (!state.endEmitted && !state.readableListening) { - state.readableListening = state.needReadable = true; - state.flowing = false; - state.emittedReadable = false; - debug('on readable', state.length, state.reading); - if (state.length) { - emitReadable(this); - } else if (!state.reading) { - process.nextTick(nReadingNextTick, this); - } - } - } - return res; -}; -Readable.prototype.addListener = Readable.prototype.on; -Readable.prototype.removeListener = function (ev, fn) { - var res = Stream.prototype.removeListener.call(this, ev, fn); - if (ev === 'readable') { - // We need to check if there is someone still listening to - // readable and reset the state. However this needs to happen - // after readable has been emitted but before I/O (nextTick) to - // support once('readable', fn) cycles. This means that calling - // resume within the same tick will have no - // effect. - process.nextTick(updateReadableListening, this); - } - return res; -}; -Readable.prototype.removeAllListeners = function (ev) { - var res = Stream.prototype.removeAllListeners.apply(this, arguments); - if (ev === 'readable' || ev === undefined) { - // We need to check if there is someone still listening to - // readable and reset the state. However this needs to happen - // after readable has been emitted but before I/O (nextTick) to - // support once('readable', fn) cycles. This means that calling - // resume within the same tick will have no - // effect. - process.nextTick(updateReadableListening, this); - } - return res; -}; -function updateReadableListening(self) { - var state = self._readableState; - state.readableListening = self.listenerCount('readable') > 0; - if (state.resumeScheduled && !state.paused) { - // flowing needs to be set to true now, otherwise - // the upcoming resume will not flow. - state.flowing = true; - - // crude way to check if we should resume - } else if (self.listenerCount('data') > 0) { - self.resume(); - } -} -function nReadingNextTick(self) { - debug('readable nexttick read 0'); - self.read(0); -} - -// pause() and resume() are remnants of the legacy readable stream API -// If the user uses them, then switch into old mode. -Readable.prototype.resume = function () { - var state = this._readableState; - if (!state.flowing) { - debug('resume'); - // we flow only if there is no one listening - // for readable, but we still have to call - // resume() - state.flowing = !state.readableListening; - resume(this, state); - } - state.paused = false; - return this; -}; -function resume(stream, state) { - if (!state.resumeScheduled) { - state.resumeScheduled = true; - process.nextTick(resume_, stream, state); - } -} -function resume_(stream, state) { - debug('resume', state.reading); - if (!state.reading) { - stream.read(0); - } - state.resumeScheduled = false; - stream.emit('resume'); - flow(stream); - if (state.flowing && !state.reading) stream.read(0); -} -Readable.prototype.pause = function () { - debug('call pause flowing=%j', this._readableState.flowing); - if (this._readableState.flowing !== false) { - debug('pause'); - this._readableState.flowing = false; - this.emit('pause'); - } - this._readableState.paused = true; - return this; -}; -function flow(stream) { - var state = stream._readableState; - debug('flow', state.flowing); - while (state.flowing && stream.read() !== null); -} - -// wrap an old-style stream as the async data source. -// This is *not* part of the readable stream interface. -// It is an ugly unfortunate mess of history. -Readable.prototype.wrap = function (stream) { - var _this = this; - var state = this._readableState; - var paused = false; - stream.on('end', function () { - debug('wrapped end'); - if (state.decoder && !state.ended) { - var chunk = state.decoder.end(); - if (chunk && chunk.length) _this.push(chunk); - } - _this.push(null); - }); - stream.on('data', function (chunk) { - debug('wrapped data'); - if (state.decoder) chunk = state.decoder.write(chunk); - - // don't skip over falsy values in objectMode - if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return; - var ret = _this.push(chunk); - if (!ret) { - paused = true; - stream.pause(); - } - }); - - // proxy all the other methods. - // important when wrapping filters and duplexes. - for (var i in stream) { - if (this[i] === undefined && typeof stream[i] === 'function') { - this[i] = function methodWrap(method) { - return function methodWrapReturnFunction() { - return stream[method].apply(stream, arguments); - }; - }(i); - } - } - - // proxy certain important events. - for (var n = 0; n < kProxyEvents.length; n++) { - stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n])); - } - - // when we try to consume some more bytes, simply unpause the - // underlying stream. - this._read = function (n) { - debug('wrapped _read', n); - if (paused) { - paused = false; - stream.resume(); - } - }; - return this; -}; -if (typeof Symbol === 'function') { - Readable.prototype[Symbol.asyncIterator] = function () { - if (createReadableStreamAsyncIterator === undefined) { - createReadableStreamAsyncIterator = require('./internal/streams/async_iterator'); - } - return createReadableStreamAsyncIterator(this); - }; -} -Object.defineProperty(Readable.prototype, 'readableHighWaterMark', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._readableState.highWaterMark; - } -}); -Object.defineProperty(Readable.prototype, 'readableBuffer', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._readableState && this._readableState.buffer; - } -}); -Object.defineProperty(Readable.prototype, 'readableFlowing', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._readableState.flowing; - }, - set: function set(state) { - if (this._readableState) { - this._readableState.flowing = state; - } - } -}); - -// exposed for testing purposes only. -Readable._fromList = fromList; -Object.defineProperty(Readable.prototype, 'readableLength', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._readableState.length; - } -}); - -// Pluck off n bytes from an array of buffers. -// Length is the combined lengths of all the buffers in the list. -// This function is designed to be inlinable, so please take care when making -// changes to the function body. -function fromList(n, state) { - // nothing buffered - if (state.length === 0) return null; - var ret; - if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) { - // read it all, truncate the list - if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.first();else ret = state.buffer.concat(state.length); - state.buffer.clear(); - } else { - // read part of list - ret = state.buffer.consume(n, state.decoder); - } - return ret; -} -function endReadable(stream) { - var state = stream._readableState; - debug('endReadable', state.endEmitted); - if (!state.endEmitted) { - state.ended = true; - process.nextTick(endReadableNT, state, stream); - } -} -function endReadableNT(state, stream) { - debug('endReadableNT', state.endEmitted, state.length); - - // Check that we didn't get one last unshift. - if (!state.endEmitted && state.length === 0) { - state.endEmitted = true; - stream.readable = false; - stream.emit('end'); - if (state.autoDestroy) { - // In case of duplex streams we need a way to detect - // if the writable side is ready for autoDestroy as well - var wState = stream._writableState; - if (!wState || wState.autoDestroy && wState.finished) { - stream.destroy(); - } - } - } -} -if (typeof Symbol === 'function') { - Readable.from = function (iterable, opts) { - if (from === undefined) { - from = require('./internal/streams/from'); - } - return from(Readable, iterable, opts); - }; -} -function indexOf(xs, x) { - for (var i = 0, l = xs.length; i < l; i++) { - if (xs[i] === x) return i; - } - return -1; -} -}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"../errors":28,"./_stream_duplex":29,"./internal/streams/async_iterator":34,"./internal/streams/buffer_list":35,"./internal/streams/destroy":36,"./internal/streams/from":38,"./internal/streams/state":40,"./internal/streams/stream":41,"_process":309,"buffer":110,"events":181,"inherits":229,"string_decoder/":447,"util":67}],32:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -// a transform stream is a readable/writable stream where you do -// something with the data. Sometimes it's called a "filter", -// but that's not a great name for it, since that implies a thing where -// some bits pass through, and others are simply ignored. (That would -// be a valid example of a transform, of course.) -// -// While the output is causally related to the input, it's not a -// necessarily symmetric or synchronous transformation. For example, -// a zlib stream might take multiple plain-text writes(), and then -// emit a single compressed chunk some time in the future. -// -// Here's how this works: -// -// The Transform stream has all the aspects of the readable and writable -// stream classes. When you write(chunk), that calls _write(chunk,cb) -// internally, and returns false if there's a lot of pending writes -// buffered up. When you call read(), that calls _read(n) until -// there's enough pending readable data buffered up. -// -// In a transform stream, the written data is placed in a buffer. When -// _read(n) is called, it transforms the queued up data, calling the -// buffered _write cb's as it consumes chunks. If consuming a single -// written chunk would result in multiple output chunks, then the first -// outputted bit calls the readcb, and subsequent chunks just go into -// the read buffer, and will cause it to emit 'readable' if necessary. -// -// This way, back-pressure is actually determined by the reading side, -// since _read has to be called to start processing a new chunk. However, -// a pathological inflate type of transform can cause excessive buffering -// here. For example, imagine a stream where every byte of input is -// interpreted as an integer from 0-255, and then results in that many -// bytes of output. Writing the 4 bytes {ff,ff,ff,ff} would result in -// 1kb of data being output. In this case, you could write a very small -// amount of input, and end up with a very large amount of output. In -// such a pathological inflating mechanism, there'd be no way to tell -// the system to stop doing the transform. A single 4MB write could -// cause the system to run out of memory. -// -// However, even in such a pathological case, only a single written chunk -// would be consumed, and then the rest would wait (un-transformed) until -// the results of the previous transformed chunk were consumed. - -'use strict'; - -module.exports = Transform; -var _require$codes = require('../errors').codes, - ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED, - ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK, - ERR_TRANSFORM_ALREADY_TRANSFORMING = _require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING, - ERR_TRANSFORM_WITH_LENGTH_0 = _require$codes.ERR_TRANSFORM_WITH_LENGTH_0; -var Duplex = require('./_stream_duplex'); -require('inherits')(Transform, Duplex); -function afterTransform(er, data) { - var ts = this._transformState; - ts.transforming = false; - var cb = ts.writecb; - if (cb === null) { - return this.emit('error', new ERR_MULTIPLE_CALLBACK()); - } - ts.writechunk = null; - ts.writecb = null; - if (data != null) - // single equals check for both `null` and `undefined` - this.push(data); - cb(er); - var rs = this._readableState; - rs.reading = false; - if (rs.needReadable || rs.length < rs.highWaterMark) { - this._read(rs.highWaterMark); - } -} -function Transform(options) { - if (!(this instanceof Transform)) return new Transform(options); - Duplex.call(this, options); - this._transformState = { - afterTransform: afterTransform.bind(this), - needTransform: false, - transforming: false, - writecb: null, - writechunk: null, - writeencoding: null - }; - - // start out asking for a readable event once data is transformed. - this._readableState.needReadable = true; - - // we have implemented the _read method, and done the other things - // that Readable wants before the first _read call, so unset the - // sync guard flag. - this._readableState.sync = false; - if (options) { - if (typeof options.transform === 'function') this._transform = options.transform; - if (typeof options.flush === 'function') this._flush = options.flush; - } - - // When the writable side finishes, then flush out anything remaining. - this.on('prefinish', prefinish); -} -function prefinish() { - var _this = this; - if (typeof this._flush === 'function' && !this._readableState.destroyed) { - this._flush(function (er, data) { - done(_this, er, data); - }); - } else { - done(this, null, null); - } -} -Transform.prototype.push = function (chunk, encoding) { - this._transformState.needTransform = false; - return Duplex.prototype.push.call(this, chunk, encoding); -}; - -// This is the part where you do stuff! -// override this function in implementation classes. -// 'chunk' is an input chunk. -// -// Call `push(newChunk)` to pass along transformed output -// to the readable side. You may call 'push' zero or more times. -// -// Call `cb(err)` when you are done with this chunk. If you pass -// an error, then that'll put the hurt on the whole operation. If you -// never call cb(), then you'll never get another chunk. -Transform.prototype._transform = function (chunk, encoding, cb) { - cb(new ERR_METHOD_NOT_IMPLEMENTED('_transform()')); -}; -Transform.prototype._write = function (chunk, encoding, cb) { - var ts = this._transformState; - ts.writecb = cb; - ts.writechunk = chunk; - ts.writeencoding = encoding; - if (!ts.transforming) { - var rs = this._readableState; - if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark); - } -}; - -// Doesn't matter what the args are here. -// _transform does all the work. -// That we got here means that the readable side wants more data. -Transform.prototype._read = function (n) { - var ts = this._transformState; - if (ts.writechunk !== null && !ts.transforming) { - ts.transforming = true; - this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform); - } else { - // mark that we need a transform, so that any data that comes in - // will get processed, now that we've asked for it. - ts.needTransform = true; - } -}; -Transform.prototype._destroy = function (err, cb) { - Duplex.prototype._destroy.call(this, err, function (err2) { - cb(err2); - }); -}; -function done(stream, er, data) { - if (er) return stream.emit('error', er); - if (data != null) - // single equals check for both `null` and `undefined` - stream.push(data); - - // TODO(BridgeAR): Write a test for these two error cases - // if there's nothing in the write buffer, then that means - // that nothing more will ever be provided - if (stream._writableState.length) throw new ERR_TRANSFORM_WITH_LENGTH_0(); - if (stream._transformState.transforming) throw new ERR_TRANSFORM_ALREADY_TRANSFORMING(); - return stream.push(null); -} -},{"../errors":28,"./_stream_duplex":29,"inherits":229}],33:[function(require,module,exports){ -(function (process,global){(function (){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -// A bit simpler than readable streams. -// Implement an async ._write(chunk, encoding, cb), and it'll handle all -// the drain event emission and buffering. - -'use strict'; - -module.exports = Writable; - -/* */ -function WriteReq(chunk, encoding, cb) { - this.chunk = chunk; - this.encoding = encoding; - this.callback = cb; - this.next = null; -} - -// It seems a linked list but it is not -// there will be only 2 of these for each stream -function CorkedRequest(state) { - var _this = this; - this.next = null; - this.entry = null; - this.finish = function () { - onCorkedFinish(_this, state); - }; -} -/* */ - -/**/ -var Duplex; -/**/ - -Writable.WritableState = WritableState; - -/**/ -var internalUtil = { - deprecate: require('util-deprecate') -}; -/**/ - -/**/ -var Stream = require('./internal/streams/stream'); -/**/ - -var Buffer = require('buffer').Buffer; -var OurUint8Array = (typeof global !== 'undefined' ? global : typeof window !== 'undefined' ? window : typeof self !== 'undefined' ? self : {}).Uint8Array || function () {}; -function _uint8ArrayToBuffer(chunk) { - return Buffer.from(chunk); -} -function _isUint8Array(obj) { - return Buffer.isBuffer(obj) || obj instanceof OurUint8Array; -} -var destroyImpl = require('./internal/streams/destroy'); -var _require = require('./internal/streams/state'), - getHighWaterMark = _require.getHighWaterMark; -var _require$codes = require('../errors').codes, - ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE, - ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED, - ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK, - ERR_STREAM_CANNOT_PIPE = _require$codes.ERR_STREAM_CANNOT_PIPE, - ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED, - ERR_STREAM_NULL_VALUES = _require$codes.ERR_STREAM_NULL_VALUES, - ERR_STREAM_WRITE_AFTER_END = _require$codes.ERR_STREAM_WRITE_AFTER_END, - ERR_UNKNOWN_ENCODING = _require$codes.ERR_UNKNOWN_ENCODING; -var errorOrDestroy = destroyImpl.errorOrDestroy; -require('inherits')(Writable, Stream); -function nop() {} -function WritableState(options, stream, isDuplex) { - Duplex = Duplex || require('./_stream_duplex'); - options = options || {}; - - // Duplex streams are both readable and writable, but share - // the same options object. - // However, some cases require setting options to different - // values for the readable and the writable sides of the duplex stream, - // e.g. options.readableObjectMode vs. options.writableObjectMode, etc. - if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; - - // object stream flag to indicate whether or not this stream - // contains buffers or objects. - this.objectMode = !!options.objectMode; - if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; - - // the point at which write() starts returning false - // Note: 0 is a valid value, means that we always return false if - // the entire buffer is not flushed immediately on write() - this.highWaterMark = getHighWaterMark(this, options, 'writableHighWaterMark', isDuplex); - - // if _final has been called - this.finalCalled = false; - - // drain event flag. - this.needDrain = false; - // at the start of calling end() - this.ending = false; - // when end() has been called, and returned - this.ended = false; - // when 'finish' is emitted - this.finished = false; - - // has it been destroyed - this.destroyed = false; - - // should we decode strings into buffers before passing to _write? - // this is here so that some node-core streams can optimize string - // handling at a lower level. - var noDecode = options.decodeStrings === false; - this.decodeStrings = !noDecode; - - // Crypto is kind of old and crusty. Historically, its default string - // encoding is 'binary' so we have to make this configurable. - // Everything else in the universe uses 'utf8', though. - this.defaultEncoding = options.defaultEncoding || 'utf8'; - - // not an actual buffer we keep track of, but a measurement - // of how much we're waiting to get pushed to some underlying - // socket or file. - this.length = 0; - - // a flag to see when we're in the middle of a write. - this.writing = false; - - // when true all writes will be buffered until .uncork() call - this.corked = 0; - - // a flag to be able to tell if the onwrite cb is called immediately, - // or on a later tick. We set this to true at first, because any - // actions that shouldn't happen until "later" should generally also - // not happen before the first write call. - this.sync = true; - - // a flag to know if we're processing previously buffered items, which - // may call the _write() callback in the same tick, so that we don't - // end up in an overlapped onwrite situation. - this.bufferProcessing = false; - - // the callback that's passed to _write(chunk,cb) - this.onwrite = function (er) { - onwrite(stream, er); - }; - - // the callback that the user supplies to write(chunk,encoding,cb) - this.writecb = null; - - // the amount that is being written when _write is called. - this.writelen = 0; - this.bufferedRequest = null; - this.lastBufferedRequest = null; - - // number of pending user-supplied write callbacks - // this must be 0 before 'finish' can be emitted - this.pendingcb = 0; - - // emit prefinish if the only thing we're waiting for is _write cbs - // This is relevant for synchronous Transform streams - this.prefinished = false; - - // True if the error was already emitted and should not be thrown again - this.errorEmitted = false; - - // Should close be emitted on destroy. Defaults to true. - this.emitClose = options.emitClose !== false; - - // Should .destroy() be called after 'finish' (and potentially 'end') - this.autoDestroy = !!options.autoDestroy; - - // count buffered requests - this.bufferedRequestCount = 0; - - // allocate the first CorkedRequest, there is always - // one allocated and free to use, and we maintain at most two - this.corkedRequestsFree = new CorkedRequest(this); -} -WritableState.prototype.getBuffer = function getBuffer() { - var current = this.bufferedRequest; - var out = []; - while (current) { - out.push(current); - current = current.next; - } - return out; -}; -(function () { - try { - Object.defineProperty(WritableState.prototype, 'buffer', { - get: internalUtil.deprecate(function writableStateBufferGetter() { - return this.getBuffer(); - }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003') - }); - } catch (_) {} -})(); - -// Test _writableState for inheritance to account for Duplex streams, -// whose prototype chain only points to Readable. -var realHasInstance; -if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') { - realHasInstance = Function.prototype[Symbol.hasInstance]; - Object.defineProperty(Writable, Symbol.hasInstance, { - value: function value(object) { - if (realHasInstance.call(this, object)) return true; - if (this !== Writable) return false; - return object && object._writableState instanceof WritableState; - } - }); -} else { - realHasInstance = function realHasInstance(object) { - return object instanceof this; - }; -} -function Writable(options) { - Duplex = Duplex || require('./_stream_duplex'); - - // Writable ctor is applied to Duplexes, too. - // `realHasInstance` is necessary because using plain `instanceof` - // would return false, as no `_writableState` property is attached. - - // Trying to use the custom `instanceof` for Writable here will also break the - // Node.js LazyTransform implementation, which has a non-trivial getter for - // `_writableState` that would lead to infinite recursion. - - // Checking for a Stream.Duplex instance is faster here instead of inside - // the WritableState constructor, at least with V8 6.5 - var isDuplex = this instanceof Duplex; - if (!isDuplex && !realHasInstance.call(Writable, this)) return new Writable(options); - this._writableState = new WritableState(options, this, isDuplex); - - // legacy. - this.writable = true; - if (options) { - if (typeof options.write === 'function') this._write = options.write; - if (typeof options.writev === 'function') this._writev = options.writev; - if (typeof options.destroy === 'function') this._destroy = options.destroy; - if (typeof options.final === 'function') this._final = options.final; - } - Stream.call(this); -} - -// Otherwise people can pipe Writable streams, which is just wrong. -Writable.prototype.pipe = function () { - errorOrDestroy(this, new ERR_STREAM_CANNOT_PIPE()); -}; -function writeAfterEnd(stream, cb) { - var er = new ERR_STREAM_WRITE_AFTER_END(); - // TODO: defer error events consistently everywhere, not just the cb - errorOrDestroy(stream, er); - process.nextTick(cb, er); -} - -// Checks that a user-supplied chunk is valid, especially for the particular -// mode the stream is in. Currently this means that `null` is never accepted -// and undefined/non-string values are only allowed in object mode. -function validChunk(stream, state, chunk, cb) { - var er; - if (chunk === null) { - er = new ERR_STREAM_NULL_VALUES(); - } else if (typeof chunk !== 'string' && !state.objectMode) { - er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer'], chunk); - } - if (er) { - errorOrDestroy(stream, er); - process.nextTick(cb, er); - return false; - } - return true; -} -Writable.prototype.write = function (chunk, encoding, cb) { - var state = this._writableState; - var ret = false; - var isBuf = !state.objectMode && _isUint8Array(chunk); - if (isBuf && !Buffer.isBuffer(chunk)) { - chunk = _uint8ArrayToBuffer(chunk); - } - if (typeof encoding === 'function') { - cb = encoding; - encoding = null; - } - if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding; - if (typeof cb !== 'function') cb = nop; - if (state.ending) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) { - state.pendingcb++; - ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb); - } - return ret; -}; -Writable.prototype.cork = function () { - this._writableState.corked++; -}; -Writable.prototype.uncork = function () { - var state = this._writableState; - if (state.corked) { - state.corked--; - if (!state.writing && !state.corked && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state); - } -}; -Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) { - // node::ParseEncoding() requires lower case. - if (typeof encoding === 'string') encoding = encoding.toLowerCase(); - if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new ERR_UNKNOWN_ENCODING(encoding); - this._writableState.defaultEncoding = encoding; - return this; -}; -Object.defineProperty(Writable.prototype, 'writableBuffer', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._writableState && this._writableState.getBuffer(); - } -}); -function decodeChunk(state, chunk, encoding) { - if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') { - chunk = Buffer.from(chunk, encoding); - } - return chunk; -} -Object.defineProperty(Writable.prototype, 'writableHighWaterMark', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._writableState.highWaterMark; - } -}); - -// if we're already writing something, then just put this -// in the queue, and wait our turn. Otherwise, call _write -// If we return false, then we need a drain event, so set that flag. -function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) { - if (!isBuf) { - var newChunk = decodeChunk(state, chunk, encoding); - if (chunk !== newChunk) { - isBuf = true; - encoding = 'buffer'; - chunk = newChunk; - } - } - var len = state.objectMode ? 1 : chunk.length; - state.length += len; - var ret = state.length < state.highWaterMark; - // we must ensure that previous needDrain will not be reset to false. - if (!ret) state.needDrain = true; - if (state.writing || state.corked) { - var last = state.lastBufferedRequest; - state.lastBufferedRequest = { - chunk: chunk, - encoding: encoding, - isBuf: isBuf, - callback: cb, - next: null - }; - if (last) { - last.next = state.lastBufferedRequest; - } else { - state.bufferedRequest = state.lastBufferedRequest; - } - state.bufferedRequestCount += 1; - } else { - doWrite(stream, state, false, len, chunk, encoding, cb); - } - return ret; -} -function doWrite(stream, state, writev, len, chunk, encoding, cb) { - state.writelen = len; - state.writecb = cb; - state.writing = true; - state.sync = true; - if (state.destroyed) state.onwrite(new ERR_STREAM_DESTROYED('write'));else if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite); - state.sync = false; -} -function onwriteError(stream, state, sync, er, cb) { - --state.pendingcb; - if (sync) { - // defer the callback if we are being called synchronously - // to avoid piling up things on the stack - process.nextTick(cb, er); - // this can emit finish, and it will always happen - // after error - process.nextTick(finishMaybe, stream, state); - stream._writableState.errorEmitted = true; - errorOrDestroy(stream, er); - } else { - // the caller expect this to happen before if - // it is async - cb(er); - stream._writableState.errorEmitted = true; - errorOrDestroy(stream, er); - // this can emit finish, but finish must - // always follow error - finishMaybe(stream, state); - } -} -function onwriteStateUpdate(state) { - state.writing = false; - state.writecb = null; - state.length -= state.writelen; - state.writelen = 0; -} -function onwrite(stream, er) { - var state = stream._writableState; - var sync = state.sync; - var cb = state.writecb; - if (typeof cb !== 'function') throw new ERR_MULTIPLE_CALLBACK(); - onwriteStateUpdate(state); - if (er) onwriteError(stream, state, sync, er, cb);else { - // Check if we're actually ready to finish, but don't emit yet - var finished = needFinish(state) || stream.destroyed; - if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) { - clearBuffer(stream, state); - } - if (sync) { - process.nextTick(afterWrite, stream, state, finished, cb); - } else { - afterWrite(stream, state, finished, cb); - } - } -} -function afterWrite(stream, state, finished, cb) { - if (!finished) onwriteDrain(stream, state); - state.pendingcb--; - cb(); - finishMaybe(stream, state); -} - -// Must force callback to be called on nextTick, so that we don't -// emit 'drain' before the write() consumer gets the 'false' return -// value, and has a chance to attach a 'drain' listener. -function onwriteDrain(stream, state) { - if (state.length === 0 && state.needDrain) { - state.needDrain = false; - stream.emit('drain'); - } -} - -// if there's something in the buffer waiting, then process it -function clearBuffer(stream, state) { - state.bufferProcessing = true; - var entry = state.bufferedRequest; - if (stream._writev && entry && entry.next) { - // Fast case, write everything using _writev() - var l = state.bufferedRequestCount; - var buffer = new Array(l); - var holder = state.corkedRequestsFree; - holder.entry = entry; - var count = 0; - var allBuffers = true; - while (entry) { - buffer[count] = entry; - if (!entry.isBuf) allBuffers = false; - entry = entry.next; - count += 1; - } - buffer.allBuffers = allBuffers; - doWrite(stream, state, true, state.length, buffer, '', holder.finish); - - // doWrite is almost always async, defer these to save a bit of time - // as the hot path ends with doWrite - state.pendingcb++; - state.lastBufferedRequest = null; - if (holder.next) { - state.corkedRequestsFree = holder.next; - holder.next = null; - } else { - state.corkedRequestsFree = new CorkedRequest(state); - } - state.bufferedRequestCount = 0; - } else { - // Slow case, write chunks one-by-one - while (entry) { - var chunk = entry.chunk; - var encoding = entry.encoding; - var cb = entry.callback; - var len = state.objectMode ? 1 : chunk.length; - doWrite(stream, state, false, len, chunk, encoding, cb); - entry = entry.next; - state.bufferedRequestCount--; - // if we didn't call the onwrite immediately, then - // it means that we need to wait until it does. - // also, that means that the chunk and cb are currently - // being processed, so move the buffer counter past them. - if (state.writing) { - break; - } - } - if (entry === null) state.lastBufferedRequest = null; - } - state.bufferedRequest = entry; - state.bufferProcessing = false; -} -Writable.prototype._write = function (chunk, encoding, cb) { - cb(new ERR_METHOD_NOT_IMPLEMENTED('_write()')); -}; -Writable.prototype._writev = null; -Writable.prototype.end = function (chunk, encoding, cb) { - var state = this._writableState; - if (typeof chunk === 'function') { - cb = chunk; - chunk = null; - encoding = null; - } else if (typeof encoding === 'function') { - cb = encoding; - encoding = null; - } - if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); - - // .end() fully uncorks - if (state.corked) { - state.corked = 1; - this.uncork(); - } - - // ignore unnecessary end() calls. - if (!state.ending) endWritable(this, state, cb); - return this; -}; -Object.defineProperty(Writable.prototype, 'writableLength', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - return this._writableState.length; - } -}); -function needFinish(state) { - return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing; -} -function callFinal(stream, state) { - stream._final(function (err) { - state.pendingcb--; - if (err) { - errorOrDestroy(stream, err); - } - state.prefinished = true; - stream.emit('prefinish'); - finishMaybe(stream, state); - }); -} -function prefinish(stream, state) { - if (!state.prefinished && !state.finalCalled) { - if (typeof stream._final === 'function' && !state.destroyed) { - state.pendingcb++; - state.finalCalled = true; - process.nextTick(callFinal, stream, state); - } else { - state.prefinished = true; - stream.emit('prefinish'); - } - } -} -function finishMaybe(stream, state) { - var need = needFinish(state); - if (need) { - prefinish(stream, state); - if (state.pendingcb === 0) { - state.finished = true; - stream.emit('finish'); - if (state.autoDestroy) { - // In case of duplex streams we need a way to detect - // if the readable side is ready for autoDestroy as well - var rState = stream._readableState; - if (!rState || rState.autoDestroy && rState.endEmitted) { - stream.destroy(); - } - } - } - } - return need; -} -function endWritable(stream, state, cb) { - state.ending = true; - finishMaybe(stream, state); - if (cb) { - if (state.finished) process.nextTick(cb);else stream.once('finish', cb); - } - state.ended = true; - stream.writable = false; -} -function onCorkedFinish(corkReq, state, err) { - var entry = corkReq.entry; - corkReq.entry = null; - while (entry) { - var cb = entry.callback; - state.pendingcb--; - cb(err); - entry = entry.next; - } - - // reuse the free corkReq. - state.corkedRequestsFree.next = corkReq; -} -Object.defineProperty(Writable.prototype, 'destroyed', { - // making it explicit this property is not enumerable - // because otherwise some prototype manipulation in - // userland will fail - enumerable: false, - get: function get() { - if (this._writableState === undefined) { - return false; - } - return this._writableState.destroyed; - }, - set: function set(value) { - // we ignore the value if the stream - // has not been initialized yet - if (!this._writableState) { - return; - } - - // backward compatibility, the user is explicitly - // managing destroyed - this._writableState.destroyed = value; - } -}); -Writable.prototype.destroy = destroyImpl.destroy; -Writable.prototype._undestroy = destroyImpl.undestroy; -Writable.prototype._destroy = function (err, cb) { - cb(err); -}; -}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"../errors":28,"./_stream_duplex":29,"./internal/streams/destroy":36,"./internal/streams/state":40,"./internal/streams/stream":41,"_process":309,"buffer":110,"inherits":229,"util-deprecate":459}],34:[function(require,module,exports){ -(function (process){(function (){ -'use strict'; - -var _Object$setPrototypeO; -function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } -function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); } -function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } -var finished = require('./end-of-stream'); -var kLastResolve = Symbol('lastResolve'); -var kLastReject = Symbol('lastReject'); -var kError = Symbol('error'); -var kEnded = Symbol('ended'); -var kLastPromise = Symbol('lastPromise'); -var kHandlePromise = Symbol('handlePromise'); -var kStream = Symbol('stream'); -function createIterResult(value, done) { - return { - value: value, - done: done - }; -} -function readAndResolve(iter) { - var resolve = iter[kLastResolve]; - if (resolve !== null) { - var data = iter[kStream].read(); - // we defer if data is null - // we can be expecting either 'end' or - // 'error' - if (data !== null) { - iter[kLastPromise] = null; - iter[kLastResolve] = null; - iter[kLastReject] = null; - resolve(createIterResult(data, false)); - } - } -} -function onReadable(iter) { - // we wait for the next tick, because it might - // emit an error with process.nextTick - process.nextTick(readAndResolve, iter); -} -function wrapForNext(lastPromise, iter) { - return function (resolve, reject) { - lastPromise.then(function () { - if (iter[kEnded]) { - resolve(createIterResult(undefined, true)); - return; - } - iter[kHandlePromise](resolve, reject); - }, reject); - }; -} -var AsyncIteratorPrototype = Object.getPrototypeOf(function () {}); -var ReadableStreamAsyncIteratorPrototype = Object.setPrototypeOf((_Object$setPrototypeO = { - get stream() { - return this[kStream]; - }, - next: function next() { - var _this = this; - // if we have detected an error in the meanwhile - // reject straight away - var error = this[kError]; - if (error !== null) { - return Promise.reject(error); - } - if (this[kEnded]) { - return Promise.resolve(createIterResult(undefined, true)); - } - if (this[kStream].destroyed) { - // We need to defer via nextTick because if .destroy(err) is - // called, the error will be emitted via nextTick, and - // we cannot guarantee that there is no error lingering around - // waiting to be emitted. - return new Promise(function (resolve, reject) { - process.nextTick(function () { - if (_this[kError]) { - reject(_this[kError]); - } else { - resolve(createIterResult(undefined, true)); - } - }); - }); - } - - // if we have multiple next() calls - // we will wait for the previous Promise to finish - // this logic is optimized to support for await loops, - // where next() is only called once at a time - var lastPromise = this[kLastPromise]; - var promise; - if (lastPromise) { - promise = new Promise(wrapForNext(lastPromise, this)); - } else { - // fast path needed to support multiple this.push() - // without triggering the next() queue - var data = this[kStream].read(); - if (data !== null) { - return Promise.resolve(createIterResult(data, false)); - } - promise = new Promise(this[kHandlePromise]); - } - this[kLastPromise] = promise; - return promise; - } -}, _defineProperty(_Object$setPrototypeO, Symbol.asyncIterator, function () { - return this; -}), _defineProperty(_Object$setPrototypeO, "return", function _return() { - var _this2 = this; - // destroy(err, cb) is a private API - // we can guarantee we have that here, because we control the - // Readable class this is attached to - return new Promise(function (resolve, reject) { - _this2[kStream].destroy(null, function (err) { - if (err) { - reject(err); - return; - } - resolve(createIterResult(undefined, true)); - }); - }); -}), _Object$setPrototypeO), AsyncIteratorPrototype); -var createReadableStreamAsyncIterator = function createReadableStreamAsyncIterator(stream) { - var _Object$create; - var iterator = Object.create(ReadableStreamAsyncIteratorPrototype, (_Object$create = {}, _defineProperty(_Object$create, kStream, { - value: stream, - writable: true - }), _defineProperty(_Object$create, kLastResolve, { - value: null, - writable: true - }), _defineProperty(_Object$create, kLastReject, { - value: null, - writable: true - }), _defineProperty(_Object$create, kError, { - value: null, - writable: true - }), _defineProperty(_Object$create, kEnded, { - value: stream._readableState.endEmitted, - writable: true - }), _defineProperty(_Object$create, kHandlePromise, { - value: function value(resolve, reject) { - var data = iterator[kStream].read(); - if (data) { - iterator[kLastPromise] = null; - iterator[kLastResolve] = null; - iterator[kLastReject] = null; - resolve(createIterResult(data, false)); - } else { - iterator[kLastResolve] = resolve; - iterator[kLastReject] = reject; - } - }, - writable: true - }), _Object$create)); - iterator[kLastPromise] = null; - finished(stream, function (err) { - if (err && err.code !== 'ERR_STREAM_PREMATURE_CLOSE') { - var reject = iterator[kLastReject]; - // reject if we are waiting for data in the Promise - // returned by next() and store the error - if (reject !== null) { - iterator[kLastPromise] = null; - iterator[kLastResolve] = null; - iterator[kLastReject] = null; - reject(err); - } - iterator[kError] = err; - return; - } - var resolve = iterator[kLastResolve]; - if (resolve !== null) { - iterator[kLastPromise] = null; - iterator[kLastResolve] = null; - iterator[kLastReject] = null; - resolve(createIterResult(undefined, true)); - } - iterator[kEnded] = true; - }); - stream.on('readable', onReadable.bind(null, iterator)); - return iterator; -}; -module.exports = createReadableStreamAsyncIterator; -}).call(this)}).call(this,require('_process')) -},{"./end-of-stream":37,"_process":309}],35:[function(require,module,exports){ -'use strict'; - -function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; } -function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; } -function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } } -function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; } -function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); } -function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? 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this._getString(n) : this._getBuffer(n); - } - return ret; - } - }, { - key: "first", - value: function first() { - return this.head.data; - } - - // Consumes a specified amount of characters from the buffered data. - }, { - key: "_getString", - value: function _getString(n) { - var p = this.head; - var c = 1; - var ret = p.data; - n -= ret.length; - while (p = p.next) { - var str = p.data; - var nb = n > str.length ? str.length : n; - if (nb === str.length) ret += str;else ret += str.slice(0, n); - n -= nb; - if (n === 0) { - if (nb === str.length) { - ++c; - if (p.next) this.head = p.next;else this.head = this.tail = null; - } else { - this.head = p; - p.data = str.slice(nb); - } - break; - } - ++c; - } - this.length -= c; - return ret; - } - - // Consumes a specified amount of bytes from the buffered data. - }, { - key: "_getBuffer", - value: function _getBuffer(n) { - var ret = Buffer.allocUnsafe(n); - var p = this.head; - var c = 1; - p.data.copy(ret); - n -= p.data.length; - while (p = p.next) { - var buf = p.data; - var nb = n > buf.length ? buf.length : n; - buf.copy(ret, ret.length - n, 0, nb); - n -= nb; - if (n === 0) { - if (nb === buf.length) { - ++c; - if (p.next) this.head = p.next;else this.head = this.tail = null; - } else { - this.head = p; - p.data = buf.slice(nb); - } - break; - } - ++c; - } - this.length -= c; - return ret; - } - - // Make sure the linked list only shows the minimal necessary information. - }, { - key: custom, - value: function value(_, options) { - return inspect(this, _objectSpread(_objectSpread({}, options), {}, { - // Only inspect one level. - depth: 0, - // It should not recurse. - customInspect: false - })); - } - }]); - return BufferList; -}(); -},{"buffer":110,"util":67}],36:[function(require,module,exports){ -(function (process){(function (){ -'use strict'; - -// undocumented cb() API, needed for core, not for public API -function destroy(err, cb) { - var _this = this; - var readableDestroyed = this._readableState && this._readableState.destroyed; - var writableDestroyed = this._writableState && this._writableState.destroyed; - if (readableDestroyed || writableDestroyed) { - if (cb) { - cb(err); - } else if (err) { - if (!this._writableState) { - process.nextTick(emitErrorNT, this, err); - } else if (!this._writableState.errorEmitted) { - this._writableState.errorEmitted = true; - process.nextTick(emitErrorNT, this, err); - } - } - return this; - } - - // we set destroyed to true before firing error callbacks in order - // to make it re-entrance safe in case destroy() is called within callbacks - - if (this._readableState) { - this._readableState.destroyed = true; - } - - // if this is a duplex stream mark the writable part as destroyed as well - if (this._writableState) { - this._writableState.destroyed = true; - } - this._destroy(err || null, function (err) { - if (!cb && err) { - if (!_this._writableState) { - process.nextTick(emitErrorAndCloseNT, _this, err); - } else if (!_this._writableState.errorEmitted) { - _this._writableState.errorEmitted = true; - process.nextTick(emitErrorAndCloseNT, _this, err); - } else { - process.nextTick(emitCloseNT, _this); - } - } else if (cb) { - process.nextTick(emitCloseNT, _this); - cb(err); - } else { - process.nextTick(emitCloseNT, _this); - } - }); - return this; -} -function emitErrorAndCloseNT(self, err) { - emitErrorNT(self, err); - emitCloseNT(self); -} -function emitCloseNT(self) { - if (self._writableState && !self._writableState.emitClose) return; - if (self._readableState && !self._readableState.emitClose) return; - self.emit('close'); -} -function undestroy() { - if (this._readableState) { - this._readableState.destroyed = false; - this._readableState.reading = false; - this._readableState.ended = false; - this._readableState.endEmitted = false; - } - if (this._writableState) { - this._writableState.destroyed = false; - this._writableState.ended = false; - this._writableState.ending = false; - this._writableState.finalCalled = false; - this._writableState.prefinished = false; - this._writableState.finished = false; - this._writableState.errorEmitted = false; - } -} -function emitErrorNT(self, err) { - self.emit('error', err); -} -function errorOrDestroy(stream, err) { - // We have tests that rely on errors being emitted - // in the same tick, so changing this is semver major. - // For now when you opt-in to autoDestroy we allow - // the error to be emitted nextTick. In a future - // semver major update we should change the default to this. - - var rState = stream._readableState; - var wState = stream._writableState; - if (rState && rState.autoDestroy || wState && wState.autoDestroy) stream.destroy(err);else stream.emit('error', err); -} -module.exports = { - destroy: destroy, - undestroy: undestroy, - errorOrDestroy: errorOrDestroy -}; -}).call(this)}).call(this,require('_process')) -},{"_process":309}],37:[function(require,module,exports){ -// Ported from https://github.com/mafintosh/end-of-stream with -// permission from the author, Mathias Buus (@mafintosh). - -'use strict'; - -var ERR_STREAM_PREMATURE_CLOSE = require('../../../errors').codes.ERR_STREAM_PREMATURE_CLOSE; -function once(callback) { - var called = false; - return function () { - if (called) return; - called = true; - for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { - args[_key] = arguments[_key]; - } - callback.apply(this, args); - }; -} -function noop() {} -function isRequest(stream) { - return stream.setHeader && typeof stream.abort === 'function'; -} -function eos(stream, opts, callback) { - if (typeof opts === 'function') return eos(stream, null, opts); - if (!opts) opts = {}; - callback = once(callback || noop); - var readable = opts.readable || opts.readable !== false && stream.readable; - var writable = opts.writable || opts.writable !== false && stream.writable; - var onlegacyfinish = function onlegacyfinish() { - if (!stream.writable) onfinish(); - }; - var writableEnded = stream._writableState && stream._writableState.finished; - var onfinish = function onfinish() { - writable = false; - writableEnded = true; - if (!readable) callback.call(stream); - }; - var readableEnded = stream._readableState && stream._readableState.endEmitted; - var onend = function onend() { - readable = false; - readableEnded = true; - if (!writable) callback.call(stream); - }; - var onerror = function onerror(err) { - callback.call(stream, err); - }; - var onclose = function onclose() { - var err; - if (readable && !readableEnded) { - if (!stream._readableState || !stream._readableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE(); - return callback.call(stream, err); - } - if (writable && !writableEnded) { - if (!stream._writableState || !stream._writableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE(); - return callback.call(stream, err); - } - }; - var onrequest = function onrequest() { - stream.req.on('finish', onfinish); - }; - if (isRequest(stream)) { - stream.on('complete', onfinish); - stream.on('abort', onclose); - if (stream.req) onrequest();else stream.on('request', onrequest); - } else if (writable && !stream._writableState) { - // legacy streams - stream.on('end', onlegacyfinish); - stream.on('close', onlegacyfinish); - } - stream.on('end', onend); - stream.on('finish', onfinish); - if (opts.error !== false) stream.on('error', onerror); - stream.on('close', onclose); - return function () { - stream.removeListener('complete', onfinish); - stream.removeListener('abort', onclose); - stream.removeListener('request', onrequest); - if (stream.req) stream.req.removeListener('finish', onfinish); - stream.removeListener('end', onlegacyfinish); - stream.removeListener('close', onlegacyfinish); - stream.removeListener('finish', onfinish); - stream.removeListener('end', onend); - stream.removeListener('error', onerror); - stream.removeListener('close', onclose); - }; -} -module.exports = eos; -},{"../../../errors":28}],38:[function(require,module,exports){ -module.exports = function () { - throw new Error('Readable.from is not available in the browser') -}; - -},{}],39:[function(require,module,exports){ -// Ported from https://github.com/mafintosh/pump with -// permission from the author, Mathias Buus (@mafintosh). - -'use strict'; - -var eos; -function once(callback) { - var called = false; - return function () { - if (called) return; - called = true; - callback.apply(void 0, arguments); - }; -} -var _require$codes = require('../../../errors').codes, - ERR_MISSING_ARGS = _require$codes.ERR_MISSING_ARGS, - ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED; -function noop(err) { - // Rethrow the error if it exists to avoid swallowing it - if (err) throw err; -} -function isRequest(stream) { - return stream.setHeader && typeof stream.abort === 'function'; -} -function destroyer(stream, reading, writing, callback) { - callback = once(callback); - var closed = false; - stream.on('close', function () { - closed = true; - }); - if (eos === undefined) eos = require('./end-of-stream'); - eos(stream, { - readable: reading, - writable: writing - }, function (err) { - if (err) return callback(err); - closed = true; - callback(); - }); - var destroyed = false; - return function (err) { - if (closed) return; - if (destroyed) return; - destroyed = true; - - // request.destroy just do .end - .abort is what we want - if (isRequest(stream)) return stream.abort(); - if (typeof stream.destroy === 'function') return stream.destroy(); - callback(err || new ERR_STREAM_DESTROYED('pipe')); - }; -} -function call(fn) { - fn(); -} -function pipe(from, to) { - return from.pipe(to); -} -function popCallback(streams) { - if (!streams.length) return noop; - if (typeof streams[streams.length - 1] !== 'function') return noop; - return streams.pop(); -} -function pipeline() { - for (var _len = arguments.length, streams = new Array(_len), _key = 0; _key < _len; _key++) { - streams[_key] = arguments[_key]; - } - var callback = popCallback(streams); - if (Array.isArray(streams[0])) streams = streams[0]; - if (streams.length < 2) { - throw new ERR_MISSING_ARGS('streams'); - } - var error; - var destroys = streams.map(function (stream, i) { - var reading = i < streams.length - 1; - var writing = i > 0; - return destroyer(stream, reading, writing, function (err) { - if (!error) error = err; - if (err) destroys.forEach(call); - if (reading) return; - destroys.forEach(call); - callback(error); - }); - }); - return streams.reduce(pipe); -} -module.exports = pipeline; -},{"../../../errors":28,"./end-of-stream":37}],40:[function(require,module,exports){ -'use strict'; - -var ERR_INVALID_OPT_VALUE = require('../../../errors').codes.ERR_INVALID_OPT_VALUE; -function highWaterMarkFrom(options, isDuplex, duplexKey) { - return options.highWaterMark != null ? options.highWaterMark : isDuplex ? options[duplexKey] : null; -} -function getHighWaterMark(state, options, duplexKey, isDuplex) { - var hwm = highWaterMarkFrom(options, isDuplex, duplexKey); - if (hwm != null) { - if (!(isFinite(hwm) && Math.floor(hwm) === hwm) || hwm < 0) { - var name = isDuplex ? duplexKey : 'highWaterMark'; - throw new ERR_INVALID_OPT_VALUE(name, hwm); - } - return Math.floor(hwm); - } - - // Default value - return state.objectMode ? 16 : 16 * 1024; -} -module.exports = { - getHighWaterMark: getHighWaterMark -}; -},{"../../../errors":28}],41:[function(require,module,exports){ -module.exports = require('events').EventEmitter; - -},{"events":181}],42:[function(require,module,exports){ -exports = module.exports = require('./lib/_stream_readable.js'); -exports.Stream = exports; -exports.Readable = exports; -exports.Writable = require('./lib/_stream_writable.js'); -exports.Duplex = require('./lib/_stream_duplex.js'); -exports.Transform = require('./lib/_stream_transform.js'); -exports.PassThrough = require('./lib/_stream_passthrough.js'); -exports.finished = require('./lib/internal/streams/end-of-stream.js'); -exports.pipeline = require('./lib/internal/streams/pipeline.js'); - -},{"./lib/_stream_duplex.js":29,"./lib/_stream_passthrough.js":30,"./lib/_stream_readable.js":31,"./lib/_stream_transform.js":32,"./lib/_stream_writable.js":33,"./lib/internal/streams/end-of-stream.js":37,"./lib/internal/streams/pipeline.js":39}],43:[function(require,module,exports){ -(function (process,Buffer){(function (){ -const debug = require('debug')('bittorrent-tracker:client') -const EventEmitter = require('events') -const once = require('once') -const parallel = require('run-parallel') -const Peer = require('simple-peer') -const queueMicrotask = require('queue-microtask') - -const common = require('./lib/common') -const HTTPTracker = require('./lib/client/http-tracker') // empty object in browser -const UDPTracker = require('./lib/client/udp-tracker') // empty object in browser -const WebSocketTracker = require('./lib/client/websocket-tracker') - -/** - * BitTorrent tracker client. - * - * Find torrent peers, to help a torrent client participate in a torrent swarm. - * - * @param {Object} opts options object - * @param {string|Buffer} opts.infoHash torrent info hash - * @param {string|Buffer} opts.peerId peer id - * @param {string|Array.} opts.announce announce - * @param {number} opts.port torrent client listening port - * @param {function} opts.getAnnounceOpts callback to provide data to tracker - * @param {number} opts.rtcConfig RTCPeerConnection configuration object - * @param {number} opts.userAgent User-Agent header for http requests - * @param {number} opts.wrtc custom webrtc impl (useful in node.js) - * @param {object} opts.proxyOpts proxy options (useful in node.js) - */ -class Client extends EventEmitter { - constructor (opts = {}) { - super() - - if (!opts.peerId) throw new Error('Option `peerId` is required') - if (!opts.infoHash) throw new Error('Option `infoHash` is required') - if (!opts.announce) throw new Error('Option `announce` is required') - if (!process.browser && !opts.port) throw new Error('Option `port` is required') - - this.peerId = typeof opts.peerId === 'string' - ? opts.peerId - : opts.peerId.toString('hex') - this._peerIdBuffer = Buffer.from(this.peerId, 'hex') - this._peerIdBinary = this._peerIdBuffer.toString('binary') - - this.infoHash = typeof opts.infoHash === 'string' - ? opts.infoHash.toLowerCase() - : opts.infoHash.toString('hex') - this._infoHashBuffer = Buffer.from(this.infoHash, 'hex') - this._infoHashBinary = this._infoHashBuffer.toString('binary') - - debug('new client %s', this.infoHash) - - this.destroyed = false - - this._port = opts.port - this._getAnnounceOpts = opts.getAnnounceOpts - this._rtcConfig = opts.rtcConfig - this._userAgent = opts.userAgent - this._proxyOpts = opts.proxyOpts - - // Support lazy 'wrtc' module initialization - // See: https://github.com/webtorrent/webtorrent-hybrid/issues/46 - this._wrtc = typeof opts.wrtc === 'function' ? opts.wrtc() : opts.wrtc - - let announce = typeof opts.announce === 'string' - ? [opts.announce] - : opts.announce == null ? [] : opts.announce - - // Remove trailing slash from trackers to catch duplicates - announce = announce.map(announceUrl => { - announceUrl = announceUrl.toString() - if (announceUrl[announceUrl.length - 1] === '/') { - announceUrl = announceUrl.substring(0, announceUrl.length - 1) - } - return announceUrl - }) - // remove duplicates by converting to Set and back - announce = Array.from(new Set(announce)) - - const webrtcSupport = this._wrtc !== false && (!!this._wrtc || Peer.WEBRTC_SUPPORT) - - const nextTickWarn = err => { - queueMicrotask(() => { - this.emit('warning', err) - }) - } - - this._trackers = announce - .map(announceUrl => { - let parsedUrl - try { - parsedUrl = common.parseUrl(announceUrl) - } catch (err) { - nextTickWarn(new Error(`Invalid tracker URL: ${announceUrl}`)) - return null - } - - const port = parsedUrl.port - if (port < 0 || port > 65535) { - nextTickWarn(new Error(`Invalid tracker port: ${announceUrl}`)) - return null - } - - const protocol = parsedUrl.protocol - if ((protocol === 'http:' || protocol === 'https:') && - typeof HTTPTracker === 'function') { - return new HTTPTracker(this, announceUrl) - } else if (protocol === 'udp:' && typeof UDPTracker === 'function') { - return new UDPTracker(this, announceUrl) - } else if ((protocol === 'ws:' || protocol === 'wss:') && webrtcSupport) { - // Skip ws:// trackers on https:// sites because they throw SecurityError - if (protocol === 'ws:' && typeof window !== 'undefined' && - window.location.protocol === 'https:') { - nextTickWarn(new Error(`Unsupported tracker protocol: ${announceUrl}`)) - return null - } - return new WebSocketTracker(this, announceUrl) - } else { - nextTickWarn(new Error(`Unsupported tracker protocol: ${announceUrl}`)) - return null - } - }) - .filter(Boolean) - } - - /** - * Send a `start` announce to the trackers. - * @param {Object} opts - * @param {number=} opts.uploaded - * @param {number=} opts.downloaded - * @param {number=} opts.left (if not set, calculated automatically) - */ - start (opts) { - opts = this._defaultAnnounceOpts(opts) - opts.event = 'started' - debug('send `start` %o', opts) - this._announce(opts) - - // start announcing on intervals - this._trackers.forEach(tracker => { - tracker.setInterval() - }) - } - - /** - * Send a `stop` announce to the trackers. - * @param {Object} opts - * @param {number=} opts.uploaded - * @param {number=} opts.downloaded - * @param {number=} opts.numwant - * @param {number=} opts.left (if not set, calculated automatically) - */ - stop (opts) { - opts = this._defaultAnnounceOpts(opts) - opts.event = 'stopped' - debug('send `stop` %o', opts) - this._announce(opts) - } - - /** - * Send a `complete` announce to the trackers. - * @param {Object} opts - * @param {number=} opts.uploaded - * @param {number=} opts.downloaded - * @param {number=} opts.numwant - * @param {number=} opts.left (if not set, calculated automatically) - */ - complete (opts) { - if (!opts) opts = {} - opts = this._defaultAnnounceOpts(opts) - opts.event = 'completed' - debug('send `complete` %o', opts) - this._announce(opts) - } - - /** - * Send a `update` announce to the trackers. - * @param {Object} opts - * @param {number=} opts.uploaded - * @param {number=} opts.downloaded - * @param {number=} opts.numwant - * @param {number=} opts.left (if not set, calculated automatically) - */ - update (opts) { - opts = this._defaultAnnounceOpts(opts) - if (opts.event) delete opts.event - debug('send `update` %o', opts) - this._announce(opts) - } - - _announce (opts) { - this._trackers.forEach(tracker => { - // tracker should not modify `opts` object, it's passed to all trackers - tracker.announce(opts) - }) - } - - /** - * Send a scrape request to the trackers. - * @param {Object} opts - */ - scrape (opts) { - debug('send `scrape`') - if (!opts) opts = {} - this._trackers.forEach(tracker => { - // tracker should not modify `opts` object, it's passed to all trackers - tracker.scrape(opts) - }) - } - - setInterval (intervalMs) { - debug('setInterval %d', intervalMs) - this._trackers.forEach(tracker => { - tracker.setInterval(intervalMs) - }) - } - - destroy (cb) { - if (this.destroyed) return - this.destroyed = true - debug('destroy') - - const tasks = this._trackers.map(tracker => cb => { - tracker.destroy(cb) - }) - - parallel(tasks, cb) - - this._trackers = [] - this._getAnnounceOpts = null - } - - _defaultAnnounceOpts (opts = {}) { - if (opts.numwant == null) opts.numwant = common.DEFAULT_ANNOUNCE_PEERS - - if (opts.uploaded == null) opts.uploaded = 0 - if (opts.downloaded == null) opts.downloaded = 0 - - if (this._getAnnounceOpts) opts = Object.assign({}, opts, this._getAnnounceOpts()) - - return opts - } -} - -/** - * Simple convenience function to scrape a tracker for an info hash without needing to - * create a Client, pass it a parsed torrent, etc. Support scraping a tracker for multiple - * torrents at the same time. - * @params {Object} opts - * @param {string|Array.} opts.infoHash - * @param {string} opts.announce - * @param {function} cb - */ -Client.scrape = (opts, cb) => { - cb = once(cb) - - if (!opts.infoHash) throw new Error('Option `infoHash` is required') - if (!opts.announce) throw new Error('Option `announce` is required') - - const clientOpts = Object.assign({}, opts, { - infoHash: Array.isArray(opts.infoHash) ? opts.infoHash[0] : opts.infoHash, - peerId: Buffer.from('01234567890123456789'), // dummy value - port: 6881 // dummy value - }) - - const client = new Client(clientOpts) - client.once('error', cb) - client.once('warning', cb) - - let len = Array.isArray(opts.infoHash) ? opts.infoHash.length : 1 - const results = {} - client.on('scrape', data => { - len -= 1 - results[data.infoHash] = data - if (len === 0) { - client.destroy() - const keys = Object.keys(results) - if (keys.length === 1) { - cb(null, results[keys[0]]) - } else { - cb(null, results) - } - } - }) - - opts.infoHash = Array.isArray(opts.infoHash) - ? opts.infoHash.map(infoHash => Buffer.from(infoHash, 'hex')) - : Buffer.from(opts.infoHash, 'hex') - client.scrape({ infoHash: opts.infoHash }) - return client -} - -module.exports = Client - -}).call(this)}).call(this,require('_process'),require("buffer").Buffer) -},{"./lib/client/http-tracker":67,"./lib/client/udp-tracker":67,"./lib/client/websocket-tracker":45,"./lib/common":46,"_process":309,"buffer":110,"debug":148,"events":181,"once":294,"queue-microtask":327,"run-parallel":354,"simple-peer":370}],44:[function(require,module,exports){ -const EventEmitter = require('events') - -class Tracker extends EventEmitter { - constructor (client, announceUrl) { - super() - - this.client = client - this.announceUrl = announceUrl - - this.interval = null - this.destroyed = false - } - - setInterval (intervalMs) { - if (intervalMs == null) intervalMs = this.DEFAULT_ANNOUNCE_INTERVAL - - clearInterval(this.interval) - - if (intervalMs) { - this.interval = setInterval(() => { - this.announce(this.client._defaultAnnounceOpts()) - }, intervalMs) - if (this.interval.unref) this.interval.unref() - } - } -} - -module.exports = Tracker - -},{"events":181}],45:[function(require,module,exports){ -const clone = require('clone') -const debug = require('debug')('bittorrent-tracker:websocket-tracker') -const Peer = require('simple-peer') -const randombytes = require('randombytes') -const Socket = require('simple-websocket') -const Socks = require('socks') - -const common = require('../common') -const Tracker = require('./tracker') - -// Use a socket pool, so tracker clients share WebSocket objects for the same server. -// In practice, WebSockets are pretty slow to establish, so this gives a nice performance -// boost, and saves browser resources. -const socketPool = {} - -const RECONNECT_MINIMUM = 10 * 1000 -const RECONNECT_MAXIMUM = 60 * 60 * 1000 -const RECONNECT_VARIANCE = 5 * 60 * 1000 -const OFFER_TIMEOUT = 50 * 1000 - -class WebSocketTracker extends Tracker { - constructor (client, announceUrl) { - super(client, announceUrl) - debug('new websocket tracker %s', announceUrl) - - this.peers = {} // peers (offer id -> peer) - this.socket = null - - this.reconnecting = false - this.retries = 0 - this.reconnectTimer = null - - // Simple boolean flag to track whether the socket has received data from - // the websocket server since the last time socket.send() was called. - this.expectingResponse = false - - this._openSocket() - } - - announce (opts) { - if (this.destroyed || this.reconnecting) return - if (!this.socket.connected) { - this.socket.once('connect', () => { - this.announce(opts) - }) - return - } - - const params = Object.assign({}, opts, { - action: 'announce', - info_hash: this.client._infoHashBinary, - peer_id: this.client._peerIdBinary - }) - if (this._trackerId) params.trackerid = this._trackerId - - if (opts.event === 'stopped' || opts.event === 'completed') { - // Don't include offers with 'stopped' or 'completed' event - this._send(params) - } else { - // Limit the number of offers that are generated, since it can be slow - const numwant = Math.min(opts.numwant, 5) - - this._generateOffers(numwant, offers => { - params.numwant = numwant - params.offers = offers - this._send(params) - }) - } - } - - scrape (opts) { - if (this.destroyed || this.reconnecting) return - if (!this.socket.connected) { - this.socket.once('connect', () => { - this.scrape(opts) - }) - return - } - - const infoHashes = (Array.isArray(opts.infoHash) && opts.infoHash.length > 0) - ? opts.infoHash.map(infoHash => infoHash.toString('binary')) - : (opts.infoHash && opts.infoHash.toString('binary')) || this.client._infoHashBinary - const params = { - action: 'scrape', - info_hash: infoHashes - } - - this._send(params) - } - - destroy (cb = noop) { - if (this.destroyed) return cb(null) - - this.destroyed = true - - clearInterval(this.interval) - clearTimeout(this.reconnectTimer) - - // Destroy peers - for (const peerId in this.peers) { - const peer = this.peers[peerId] - clearTimeout(peer.trackerTimeout) - peer.destroy() - } - this.peers = null - - if (this.socket) { - this.socket.removeListener('connect', this._onSocketConnectBound) - this.socket.removeListener('data', this._onSocketDataBound) - this.socket.removeListener('close', this._onSocketCloseBound) - this.socket.removeListener('error', this._onSocketErrorBound) - this.socket = null - } - - this._onSocketConnectBound = null - this._onSocketErrorBound = null - this._onSocketDataBound = null - this._onSocketCloseBound = null - - if (socketPool[this.announceUrl]) { - socketPool[this.announceUrl].consumers -= 1 - } - - // Other instances are using the socket, so there's nothing left to do here - if (socketPool[this.announceUrl].consumers > 0) return cb() - - let socket = socketPool[this.announceUrl] - delete socketPool[this.announceUrl] - socket.on('error', noop) // ignore all future errors - socket.once('close', cb) - - let timeout - - // If there is no data response expected, destroy immediately. - if (!this.expectingResponse) return destroyCleanup() - - // Otherwise, wait a short time for potential responses to come in from the - // server, then force close the socket. - timeout = setTimeout(destroyCleanup, common.DESTROY_TIMEOUT) - - // But, if a response comes from the server before the timeout fires, do cleanup - // right away. - socket.once('data', destroyCleanup) - - function destroyCleanup () { - if (timeout) { - clearTimeout(timeout) - timeout = null - } - socket.removeListener('data', destroyCleanup) - socket.destroy() - socket = null - } - } - - _openSocket () { - this.destroyed = false - - if (!this.peers) this.peers = {} - - this._onSocketConnectBound = () => { - this._onSocketConnect() - } - this._onSocketErrorBound = err => { - this._onSocketError(err) - } - this._onSocketDataBound = data => { - this._onSocketData(data) - } - this._onSocketCloseBound = () => { - this._onSocketClose() - } - - this.socket = socketPool[this.announceUrl] - if (this.socket) { - socketPool[this.announceUrl].consumers += 1 - if (this.socket.connected) { - this._onSocketConnectBound() - } - } else { - const parsedUrl = new URL(this.announceUrl) - let agent - if (this.client._proxyOpts) { - agent = parsedUrl.protocol === 'wss:' ? this.client._proxyOpts.httpsAgent : this.client._proxyOpts.httpAgent - if (!agent && this.client._proxyOpts.socksProxy) { - agent = new Socks.Agent(clone(this.client._proxyOpts.socksProxy), (parsedUrl.protocol === 'wss:')) - } - } - this.socket = socketPool[this.announceUrl] = new Socket({ url: this.announceUrl, agent }) - this.socket.consumers = 1 - this.socket.once('connect', this._onSocketConnectBound) - } - - this.socket.on('data', this._onSocketDataBound) - this.socket.once('close', this._onSocketCloseBound) - this.socket.once('error', this._onSocketErrorBound) - } - - _onSocketConnect () { - if (this.destroyed) return - - if (this.reconnecting) { - this.reconnecting = false - this.retries = 0 - this.announce(this.client._defaultAnnounceOpts()) - } - } - - _onSocketData (data) { - if (this.destroyed) return - - this.expectingResponse = false - - try { - data = JSON.parse(data) - } catch (err) { - this.client.emit('warning', new Error('Invalid tracker response')) - return - } - - if (data.action === 'announce') { - this._onAnnounceResponse(data) - } else if (data.action === 'scrape') { - this._onScrapeResponse(data) - } else { - this._onSocketError(new Error(`invalid action in WS response: ${data.action}`)) - } - } - - _onAnnounceResponse (data) { - if (data.info_hash !== this.client._infoHashBinary) { - debug( - 'ignoring websocket data from %s for %s (looking for %s: reused socket)', - this.announceUrl, common.binaryToHex(data.info_hash), this.client.infoHash - ) - return - } - - if (data.peer_id && data.peer_id === this.client._peerIdBinary) { - // ignore offers/answers from this client - return - } - - debug( - 'received %s from %s for %s', - JSON.stringify(data), this.announceUrl, this.client.infoHash - ) - - const failure = data['failure reason'] - if (failure) return this.client.emit('warning', new Error(failure)) - - const warning = data['warning message'] - if (warning) this.client.emit('warning', new Error(warning)) - - const interval = data.interval || data['min interval'] - if (interval) this.setInterval(interval * 1000) - - const trackerId = data['tracker id'] - if (trackerId) { - // If absent, do not discard previous trackerId value - this._trackerId = trackerId - } - - if (data.complete != null) { - const response = Object.assign({}, data, { - announce: this.announceUrl, - infoHash: common.binaryToHex(data.info_hash) - }) - this.client.emit('update', response) - } - - let peer - if (data.offer && data.peer_id) { - debug('creating peer (from remote offer)') - peer = this._createPeer() - peer.id = common.binaryToHex(data.peer_id) - peer.once('signal', answer => { - const params = { - action: 'announce', - info_hash: this.client._infoHashBinary, - peer_id: this.client._peerIdBinary, - to_peer_id: data.peer_id, - answer, - offer_id: data.offer_id - } - if (this._trackerId) params.trackerid = this._trackerId - this._send(params) - }) - this.client.emit('peer', peer) - peer.signal(data.offer) - } - - if (data.answer && data.peer_id) { - const offerId = common.binaryToHex(data.offer_id) - peer = this.peers[offerId] - if (peer) { - peer.id = common.binaryToHex(data.peer_id) - this.client.emit('peer', peer) - peer.signal(data.answer) - - clearTimeout(peer.trackerTimeout) - peer.trackerTimeout = null - delete this.peers[offerId] - } else { - debug(`got unexpected answer: ${JSON.stringify(data.answer)}`) - } - } - } - - _onScrapeResponse (data) { - data = data.files || {} - - const keys = Object.keys(data) - if (keys.length === 0) { - this.client.emit('warning', new Error('invalid scrape response')) - return - } - - keys.forEach(infoHash => { - // TODO: optionally handle data.flags.min_request_interval - // (separate from announce interval) - const response = Object.assign(data[infoHash], { - announce: this.announceUrl, - infoHash: common.binaryToHex(infoHash) - }) - this.client.emit('scrape', response) - }) - } - - _onSocketClose () { - if (this.destroyed) return - this.destroy() - this._startReconnectTimer() - } - - _onSocketError (err) { - if (this.destroyed) return - this.destroy() - // errors will often happen if a tracker is offline, so don't treat it as fatal - this.client.emit('warning', err) - this._startReconnectTimer() - } - - _startReconnectTimer () { - const ms = Math.floor(Math.random() * RECONNECT_VARIANCE) + Math.min(Math.pow(2, this.retries) * RECONNECT_MINIMUM, RECONNECT_MAXIMUM) - - this.reconnecting = true - clearTimeout(this.reconnectTimer) - this.reconnectTimer = setTimeout(() => { - this.retries++ - this._openSocket() - }, ms) - if (this.reconnectTimer.unref) this.reconnectTimer.unref() - - debug('reconnecting socket in %s ms', ms) - } - - _send (params) { - if (this.destroyed) return - this.expectingResponse = true - const message = JSON.stringify(params) - debug('send %s', message) - this.socket.send(message) - } - - _generateOffers (numwant, cb) { - const self = this - const offers = [] - debug('generating %s offers', numwant) - - for (let i = 0; i < numwant; ++i) { - generateOffer() - } - checkDone() - - function generateOffer () { - const offerId = randombytes(20).toString('hex') - debug('creating peer (from _generateOffers)') - const peer = self.peers[offerId] = self._createPeer({ initiator: true }) - peer.once('signal', offer => { - offers.push({ - offer, - offer_id: common.hexToBinary(offerId) - }) - checkDone() - }) - peer.trackerTimeout = setTimeout(() => { - debug('tracker timeout: destroying peer') - peer.trackerTimeout = null - delete self.peers[offerId] - peer.destroy() - }, OFFER_TIMEOUT) - if (peer.trackerTimeout.unref) peer.trackerTimeout.unref() - } - - function checkDone () { - if (offers.length === numwant) { - debug('generated %s offers', numwant) - cb(offers) - } - } - } - - _createPeer (opts) { - const self = this - - opts = Object.assign({ - trickle: false, - config: self.client._rtcConfig, - wrtc: self.client._wrtc - }, opts) - - const peer = new Peer(opts) - - peer.once('error', onError) - peer.once('connect', onConnect) - - return peer - - // Handle peer 'error' events that are fired *before* the peer is emitted in - // a 'peer' event. - function onError (err) { - self.client.emit('warning', new Error(`Connection error: ${err.message}`)) - peer.destroy() - } - - // Once the peer is emitted in a 'peer' event, then it's the consumer's - // responsibility to listen for errors, so the listeners are removed here. - function onConnect () { - peer.removeListener('error', onError) - peer.removeListener('connect', onConnect) - } - } -} - -WebSocketTracker.prototype.DEFAULT_ANNOUNCE_INTERVAL = 30 * 1000 // 30 seconds -// Normally this shouldn't be accessed but is occasionally useful -WebSocketTracker._socketPool = socketPool - -function noop () {} - -module.exports = WebSocketTracker - -},{"../common":46,"./tracker":44,"clone":138,"debug":148,"randombytes":330,"simple-peer":370,"simple-websocket":388,"socks":67}],46:[function(require,module,exports){ -(function (Buffer){(function (){ -/** - * Functions/constants needed by both the client and server. - */ - -exports.DEFAULT_ANNOUNCE_PEERS = 50 -exports.MAX_ANNOUNCE_PEERS = 82 - -exports.binaryToHex = str => { - if (typeof str !== 'string') { - str = String(str) - } - return Buffer.from(str, 'binary').toString('hex') -} - -exports.hexToBinary = str => { - if (typeof str !== 'string') { - str = String(str) - } - return Buffer.from(str, 'hex').toString('binary') -} - -// HACK: Fix for WHATWG URL object not parsing non-standard URL schemes like -// 'udp:'. Just replace it with 'http:' since we only need a few properties. -// -// Note: Only affects Chrome and Firefox. Works fine in Node.js, Safari, and -// Edge. -// -// Note: UDP trackers aren't used in the normal browser build, but they are -// used in a Chrome App build (i.e. by Brave Browser). -// -// Bug reports: -// - Chrome: https://bugs.chromium.org/p/chromium/issues/detail?id=734880 -// - Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=1374505 -exports.parseUrl = str => { - const url = new URL(str.replace(/^udp:/, 'http:')) - - if (str.match(/^udp:/)) { - Object.defineProperties(url, { - href: { value: url.href.replace(/^http/, 'udp') }, - protocol: { value: url.protocol.replace(/^http/, 'udp') }, - origin: { value: url.origin.replace(/^http/, 'udp') } - }) - } - - return url -} - -const config = require('./common-node') -Object.assign(exports, config) - -}).call(this)}).call(this,require("buffer").Buffer) -},{"./common-node":67,"buffer":110}],47:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! blob-to-buffer. MIT License. Feross Aboukhadijeh */ -/* global Blob, FileReader */ - -module.exports = function blobToBuffer (blob, cb) { - if (typeof Blob === 'undefined' || !(blob instanceof Blob)) { - throw new Error('first argument must be a Blob') - } - if (typeof cb !== 'function') { - throw new Error('second argument must be a function') - } - - const reader = new FileReader() - - function onLoadEnd (e) { - reader.removeEventListener('loadend', onLoadEnd, false) - if (e.error) cb(e.error) - else cb(null, Buffer.from(reader.result)) - } - - reader.addEventListener('loadend', onLoadEnd, false) - reader.readAsArrayBuffer(blob) -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],48:[function(require,module,exports){ -function concat (chunks, size) { - if (typeof chunks[0] === 'string') return chunks.join('') - if (typeof chunks[0] === 'number') return new Uint8Array(chunks) - const b = new Uint8Array(size) - let offset = 0 - for (let i = 0, l = chunks.length; i < l; i++) { - const chunk = chunks[i] - b.set(chunk, offset) - offset += chunk.byteLength || chunk.length - } - - return b -} - -module.exports = async function * (iterator, size = 512, opts = {}) { - if (typeof size === 'object') { - opts = size - size = opts.size - } - let { nopad, zeroPadding = true } = opts - - if (nopad) zeroPadding = false - - let buffered = [] - let bufferedBytes = 0 - - for await (const value of iterator) { - bufferedBytes += value.byteLength || value.length || 1 - buffered.push(value) - - if (bufferedBytes >= size) { - const b = concat(buffered, bufferedBytes) - let offset = 0 - - while (bufferedBytes >= size) { - yield b.slice(offset, offset + size) - bufferedBytes -= size - offset += size - } - - buffered = [b.slice(offset, b.length)] - } - } - if (bufferedBytes) yield concat(buffered, zeroPadding ? size : bufferedBytes) -} - -},{}],49:[function(require,module,exports){ -(function (Buffer){(function (){ -const { Transform } = require('readable-stream') - -class Block extends Transform { - constructor (size, opts = {}) { - super(opts) - - if (typeof size === 'object') { - opts = size - size = opts.size - } - - this.size = size || 512 - - const { nopad, zeroPadding = true } = opts - - if (nopad) this._zeroPadding = false - else this._zeroPadding = !!zeroPadding - - this._buffered = [] - this._bufferedBytes = 0 - } - - _transform (buf, enc, next) { - this._bufferedBytes += buf.length - this._buffered.push(buf) - - while (this._bufferedBytes >= this.size) { - this._bufferedBytes -= this.size - - // Assemble the buffers that will compose the final block - const blockBufs = [] - let blockBufsBytes = 0 - while (blockBufsBytes < this.size) { - const b = this._buffered.shift() - - if (blockBufsBytes + b.length <= this.size) { - blockBufs.push(b) - blockBufsBytes += b.length - } else { - // If the last buffer is larger than needed for the block, just - // use the needed part - const neededSize = this.size - blockBufsBytes - blockBufs.push(b.slice(0, neededSize)) - blockBufsBytes += neededSize - this._buffered.unshift(b.slice(neededSize)) - } - } - - // Then concat just those buffers, leaving the rest untouched in _buffered - this.push(Buffer.concat(blockBufs, this.size)) - } - next() - } - - _flush () { - if (this._bufferedBytes && this._zeroPadding) { - const zeroes = Buffer.alloc(this.size - this._bufferedBytes) - this._buffered.push(zeroes) - this.push(Buffer.concat(this._buffered)) - this._buffered = null - } else if (this._bufferedBytes) { - this.push(Buffer.concat(this._buffered)) - this._buffered = null - } - this.push(null) - } -} - -module.exports = Block - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"readable-stream":64}],50:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],51:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":53,"./_stream_writable":55,"_process":309,"dup":29,"inherits":229}],52:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":54,"dup":30,"inherits":229}],53:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":50,"./_stream_duplex":51,"./internal/streams/async_iterator":56,"./internal/streams/buffer_list":57,"./internal/streams/destroy":58,"./internal/streams/from":60,"./internal/streams/state":62,"./internal/streams/stream":63,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],54:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":50,"./_stream_duplex":51,"dup":32,"inherits":229}],55:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":50,"./_stream_duplex":51,"./internal/streams/destroy":58,"./internal/streams/state":62,"./internal/streams/stream":63,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],56:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":59,"_process":309,"dup":34}],57:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],58:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],59:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":50,"dup":37}],60:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],61:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":50,"./end-of-stream":59,"dup":39}],62:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":50,"dup":40}],63:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],64:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":51,"./lib/_stream_passthrough.js":52,"./lib/_stream_readable.js":53,"./lib/_stream_transform.js":54,"./lib/_stream_writable.js":55,"./lib/internal/streams/end-of-stream.js":59,"./lib/internal/streams/pipeline.js":61,"dup":42}],65:[function(require,module,exports){ -(function (module, exports) { - 'use strict'; - - // Utils - function assert (val, msg) { - if (!val) throw new Error(msg || 'Assertion failed'); - } - - // Could use `inherits` module, but don't want to move from single file - // architecture yet. - function inherits (ctor, superCtor) { - ctor.super_ = superCtor; - var TempCtor = function () {}; - TempCtor.prototype = superCtor.prototype; - ctor.prototype = new TempCtor(); - ctor.prototype.constructor = ctor; - } - - // BN - - function BN (number, base, endian) { - if (BN.isBN(number)) { - return number; - } - - this.negative = 0; - this.words = null; - this.length = 0; - - // Reduction context - this.red = null; - - if (number !== null) { - if (base === 'le' || base === 'be') { - endian = base; - base = 10; - } - - this._init(number || 0, base || 10, endian || 'be'); - } - } - if (typeof module === 'object') { - module.exports = BN; - } else { - exports.BN = BN; - } - - BN.BN = BN; - BN.wordSize = 26; - - var Buffer; - try { - if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') { - Buffer = window.Buffer; - } else { - Buffer = require('buffer').Buffer; - } - } catch (e) { - } - - BN.isBN = function isBN (num) { - if (num instanceof BN) { - return true; - } - - return num !== null && typeof num === 'object' && - num.constructor.wordSize === BN.wordSize && Array.isArray(num.words); - }; - - BN.max = function max (left, right) { - if (left.cmp(right) > 0) return left; - return right; - }; - - BN.min = function min (left, right) { - if (left.cmp(right) < 0) return left; - return right; - }; - - BN.prototype._init = function init (number, base, endian) { - if (typeof number === 'number') { - return this._initNumber(number, base, endian); - } - - if (typeof number === 'object') { - return this._initArray(number, base, endian); - } - - if (base === 'hex') { - base = 16; - } - assert(base === (base | 0) && base >= 2 && base <= 36); - - number = number.toString().replace(/\s+/g, ''); - var start = 0; - if (number[0] === '-') { - start++; - this.negative = 1; - } - - if (start < number.length) { - if (base === 16) { - this._parseHex(number, start, endian); - } else { - this._parseBase(number, base, start); - if (endian === 'le') { - this._initArray(this.toArray(), base, endian); - } - } - } - }; - - BN.prototype._initNumber = function _initNumber (number, base, endian) { - if (number < 0) { - this.negative = 1; - number = -number; - } - if (number < 0x4000000) { - this.words = [number & 0x3ffffff]; - this.length = 1; - } else if (number < 0x10000000000000) { - this.words = [ - number & 0x3ffffff, - (number / 0x4000000) & 0x3ffffff - ]; - this.length = 2; - } else { - assert(number < 0x20000000000000); // 2 ^ 53 (unsafe) - this.words = [ - number & 0x3ffffff, - (number / 0x4000000) & 0x3ffffff, - 1 - ]; - this.length = 3; - } - - if (endian !== 'le') return; - - // Reverse the bytes - this._initArray(this.toArray(), base, endian); - }; - - BN.prototype._initArray = function _initArray (number, base, endian) { - // Perhaps a Uint8Array - assert(typeof number.length === 'number'); - if (number.length <= 0) { - this.words = [0]; - this.length = 1; - return this; - } - - this.length = Math.ceil(number.length / 3); - this.words = new Array(this.length); - for (var i = 0; i < this.length; i++) { - this.words[i] = 0; - } - - var j, w; - var off = 0; - if (endian === 'be') { - for (i = number.length - 1, j = 0; i >= 0; i -= 3) { - w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16); - this.words[j] |= (w << off) & 0x3ffffff; - this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; - off += 24; - if (off >= 26) { - off -= 26; - j++; - } - } - } else if (endian === 'le') { - for (i = 0, j = 0; i < number.length; i += 3) { - w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16); - this.words[j] |= (w << off) & 0x3ffffff; - this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; - off += 24; - if (off >= 26) { - off -= 26; - j++; - } - } - } - return this._strip(); - }; - - function parseHex4Bits (string, index) { - var c = string.charCodeAt(index); - // '0' - '9' - if (c >= 48 && c <= 57) { - return c - 48; - // 'A' - 'F' - } else if (c >= 65 && c <= 70) { - return c - 55; - // 'a' - 'f' - } else if (c >= 97 && c <= 102) { - return c - 87; - } else { - assert(false, 'Invalid character in ' + string); - } - } - - function parseHexByte (string, lowerBound, index) { - var r = parseHex4Bits(string, index); - if (index - 1 >= lowerBound) { - r |= parseHex4Bits(string, index - 1) << 4; - } - return r; - } - - BN.prototype._parseHex = function _parseHex (number, start, endian) { - // Create possibly bigger array to ensure that it fits the number - this.length = Math.ceil((number.length - start) / 6); - this.words = new Array(this.length); - for (var i = 0; i < this.length; i++) { - this.words[i] = 0; - } - - // 24-bits chunks - var off = 0; - var j = 0; - - var w; - if (endian === 'be') { - for (i = number.length - 1; i >= start; i -= 2) { - w = parseHexByte(number, start, i) << off; - this.words[j] |= w & 0x3ffffff; - if (off >= 18) { - off -= 18; - j += 1; - this.words[j] |= w >>> 26; - } else { - off += 8; - } - } - } else { - var parseLength = number.length - start; - for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) { - w = parseHexByte(number, start, i) << off; - this.words[j] |= w & 0x3ffffff; - if (off >= 18) { - off -= 18; - j += 1; - this.words[j] |= w >>> 26; - } else { - off += 8; - } - } - } - - this._strip(); - }; - - function parseBase (str, start, end, mul) { - var r = 0; - var b = 0; - var len = Math.min(str.length, end); - for (var i = start; i < len; i++) { - var c = str.charCodeAt(i) - 48; - - r *= mul; - - // 'a' - if (c >= 49) { - b = c - 49 + 0xa; - - // 'A' - } else if (c >= 17) { - b = c - 17 + 0xa; - - // '0' - '9' - } else { - b = c; - } - assert(c >= 0 && b < mul, 'Invalid character'); - r += b; - } - return r; - } - - BN.prototype._parseBase = function _parseBase (number, base, start) { - // Initialize as zero - this.words = [0]; - this.length = 1; - - // Find length of limb in base - for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) { - limbLen++; - } - limbLen--; - limbPow = (limbPow / base) | 0; - - var total = number.length - start; - var mod = total % limbLen; - var end = Math.min(total, total - mod) + start; - - var word = 0; - for (var i = start; i < end; i += limbLen) { - word = parseBase(number, i, i + limbLen, base); - - this.imuln(limbPow); - if (this.words[0] + word < 0x4000000) { - this.words[0] += word; - } else { - this._iaddn(word); - } - } - - if (mod !== 0) { - var pow = 1; - word = parseBase(number, i, number.length, base); - - for (i = 0; i < mod; i++) { - pow *= base; - } - - this.imuln(pow); - if (this.words[0] + word < 0x4000000) { - this.words[0] += word; - } else { - this._iaddn(word); - } - } - - this._strip(); - }; - - BN.prototype.copy = function copy (dest) { - dest.words = new Array(this.length); - for (var i = 0; i < this.length; i++) { - dest.words[i] = this.words[i]; - } - dest.length = this.length; - dest.negative = this.negative; - dest.red = this.red; - }; - - function move (dest, src) { - dest.words = src.words; - dest.length = src.length; - dest.negative = src.negative; - dest.red = src.red; - } - - BN.prototype._move = function _move (dest) { - move(dest, this); - }; - - BN.prototype.clone = function clone () { - var r = new BN(null); - this.copy(r); - return r; - }; - - BN.prototype._expand = function _expand (size) { - while (this.length < size) { - this.words[this.length++] = 0; - } - return this; - }; - - // Remove leading `0` from `this` - BN.prototype._strip = function strip () { - while (this.length > 1 && this.words[this.length - 1] === 0) { - this.length--; - } - return this._normSign(); - }; - - BN.prototype._normSign = function _normSign () { - // -0 = 0 - if (this.length === 1 && this.words[0] === 0) { - this.negative = 0; - } - return this; - }; - - // Check Symbol.for because not everywhere where Symbol defined - // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol#Browser_compatibility - if (typeof Symbol !== 'undefined' && typeof Symbol.for === 'function') { - try { - BN.prototype[Symbol.for('nodejs.util.inspect.custom')] = inspect; - } catch (e) { - BN.prototype.inspect = inspect; - } - } else { - BN.prototype.inspect = inspect; - } - - function inspect () { - return (this.red ? ''; - } - - /* - - var zeros = []; - var groupSizes = []; - var groupBases = []; - - var s = ''; - var i = -1; - while (++i < BN.wordSize) { - zeros[i] = s; - s += '0'; - } - groupSizes[0] = 0; - groupSizes[1] = 0; - groupBases[0] = 0; - groupBases[1] = 0; - var base = 2 - 1; - while (++base < 36 + 1) { - var groupSize = 0; - var groupBase = 1; - while (groupBase < (1 << BN.wordSize) / base) { - groupBase *= base; - groupSize += 1; - } - groupSizes[base] = groupSize; - groupBases[base] = groupBase; - } - - */ - - var zeros = [ - '', - '0', - '00', - '000', - '0000', - '00000', - '000000', - '0000000', - '00000000', - '000000000', - '0000000000', - '00000000000', - '000000000000', - '0000000000000', - '00000000000000', - '000000000000000', - '0000000000000000', - '00000000000000000', - '000000000000000000', - '0000000000000000000', - '00000000000000000000', - '000000000000000000000', - '0000000000000000000000', - '00000000000000000000000', - '000000000000000000000000', - '0000000000000000000000000' - ]; - - var groupSizes = [ - 0, 0, - 25, 16, 12, 11, 10, 9, 8, - 8, 7, 7, 7, 7, 6, 6, - 6, 6, 6, 6, 6, 5, 5, - 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5 - ]; - - var groupBases = [ - 0, 0, - 33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216, - 43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625, - 16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632, - 6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149, - 24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176 - ]; - - BN.prototype.toString = function toString (base, padding) { - base = base || 10; - padding = padding | 0 || 1; - - var out; - if (base === 16 || base === 'hex') { - out = ''; - var off = 0; - var carry = 0; - for (var i = 0; i < this.length; i++) { - var w = this.words[i]; - var word = (((w << off) | carry) & 0xffffff).toString(16); - carry = (w >>> (24 - off)) & 0xffffff; - off += 2; - if (off >= 26) { - off -= 26; - i--; - } - if (carry !== 0 || i !== this.length - 1) { - out = zeros[6 - word.length] + word + out; - } else { - out = word + out; - } - } - if (carry !== 0) { - out = carry.toString(16) + out; - } - while (out.length % padding !== 0) { - out = '0' + out; - } - if (this.negative !== 0) { - out = '-' + out; - } - return out; - } - - if (base === (base | 0) && base >= 2 && base <= 36) { - // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base)); - var groupSize = groupSizes[base]; - // var groupBase = Math.pow(base, groupSize); - var groupBase = groupBases[base]; - out = ''; - var c = this.clone(); - c.negative = 0; - while (!c.isZero()) { - var r = c.modrn(groupBase).toString(base); - c = c.idivn(groupBase); - - if (!c.isZero()) { - out = zeros[groupSize - r.length] + r + out; - } else { - out = r + out; - } - } - if (this.isZero()) { - out = '0' + out; - } - while (out.length % padding !== 0) { - out = '0' + out; - } - if (this.negative !== 0) { - out = '-' + out; - } - return out; - } - - assert(false, 'Base should be between 2 and 36'); - }; - - BN.prototype.toNumber = function toNumber () { - var ret = this.words[0]; - if (this.length === 2) { - ret += this.words[1] * 0x4000000; - } else if (this.length === 3 && this.words[2] === 0x01) { - // NOTE: at this stage it is known that the top bit is set - ret += 0x10000000000000 + (this.words[1] * 0x4000000); - } else if (this.length > 2) { - assert(false, 'Number can only safely store up to 53 bits'); - } - return (this.negative !== 0) ? -ret : ret; - }; - - BN.prototype.toJSON = function toJSON () { - return this.toString(16, 2); - }; - - if (Buffer) { - BN.prototype.toBuffer = function toBuffer (endian, length) { - return this.toArrayLike(Buffer, endian, length); - }; - } - - BN.prototype.toArray = function toArray (endian, length) { - return this.toArrayLike(Array, endian, length); - }; - - var allocate = function allocate (ArrayType, size) { - if (ArrayType.allocUnsafe) { - return ArrayType.allocUnsafe(size); - } - return new ArrayType(size); - }; - - BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) { - this._strip(); - - var byteLength = this.byteLength(); - var reqLength = length || Math.max(1, byteLength); - assert(byteLength <= reqLength, 'byte array longer than desired length'); - assert(reqLength > 0, 'Requested array length <= 0'); - - var res = allocate(ArrayType, reqLength); - var postfix = endian === 'le' ? 'LE' : 'BE'; - this['_toArrayLike' + postfix](res, byteLength); - return res; - }; - - BN.prototype._toArrayLikeLE = function _toArrayLikeLE (res, byteLength) { - var position = 0; - var carry = 0; - - for (var i = 0, shift = 0; i < this.length; i++) { - var word = (this.words[i] << shift) | carry; - - res[position++] = word & 0xff; - if (position < res.length) { - res[position++] = (word >> 8) & 0xff; - } - if (position < res.length) { - res[position++] = (word >> 16) & 0xff; - } - - if (shift === 6) { - if (position < res.length) { - res[position++] = (word >> 24) & 0xff; - } - carry = 0; - shift = 0; - } else { - carry = word >>> 24; - shift += 2; - } - } - - if (position < res.length) { - res[position++] = carry; - - while (position < res.length) { - res[position++] = 0; - } - } - }; - - BN.prototype._toArrayLikeBE = function _toArrayLikeBE (res, byteLength) { - var position = res.length - 1; - var carry = 0; - - for (var i = 0, shift = 0; i < this.length; i++) { - var word = (this.words[i] << shift) | carry; - - res[position--] = word & 0xff; - if (position >= 0) { - res[position--] = (word >> 8) & 0xff; - } - if (position >= 0) { - res[position--] = (word >> 16) & 0xff; - } - - if (shift === 6) { - if (position >= 0) { - res[position--] = (word >> 24) & 0xff; - } - carry = 0; - shift = 0; - } else { - carry = word >>> 24; - shift += 2; - } - } - - if (position >= 0) { - res[position--] = carry; - - while (position >= 0) { - res[position--] = 0; - } - } - }; - - if (Math.clz32) { - BN.prototype._countBits = function _countBits (w) { - return 32 - Math.clz32(w); - }; - } else { - BN.prototype._countBits = function _countBits (w) { - var t = w; - var r = 0; - if (t >= 0x1000) { - r += 13; - t >>>= 13; - } - if (t >= 0x40) { - r += 7; - t >>>= 7; - } - if (t >= 0x8) { - r += 4; - t >>>= 4; - } - if (t >= 0x02) { - r += 2; - t >>>= 2; - } - return r + t; - }; - } - - BN.prototype._zeroBits = function _zeroBits (w) { - // Short-cut - if (w === 0) return 26; - - var t = w; - var r = 0; - if ((t & 0x1fff) === 0) { - r += 13; - t >>>= 13; - } - if ((t & 0x7f) === 0) { - r += 7; - t >>>= 7; - } - if ((t & 0xf) === 0) { - r += 4; - t >>>= 4; - } - if ((t & 0x3) === 0) { - r += 2; - t >>>= 2; - } - if ((t & 0x1) === 0) { - r++; - } - return r; - }; - - // Return number of used bits in a BN - BN.prototype.bitLength = function bitLength () { - var w = this.words[this.length - 1]; - var hi = this._countBits(w); - return (this.length - 1) * 26 + hi; - }; - - function toBitArray (num) { - var w = new Array(num.bitLength()); - - for (var bit = 0; bit < w.length; bit++) { - var off = (bit / 26) | 0; - var wbit = bit % 26; - - w[bit] = (num.words[off] >>> wbit) & 0x01; - } - - return w; - } - - // Number of trailing zero bits - BN.prototype.zeroBits = function zeroBits () { - if (this.isZero()) return 0; - - var r = 0; - for (var i = 0; i < this.length; i++) { - var b = this._zeroBits(this.words[i]); - r += b; - if (b !== 26) break; - } - return r; - }; - - BN.prototype.byteLength = function byteLength () { - return Math.ceil(this.bitLength() / 8); - }; - - BN.prototype.toTwos = function toTwos (width) { - if (this.negative !== 0) { - return this.abs().inotn(width).iaddn(1); - } - return this.clone(); - }; - - BN.prototype.fromTwos = function fromTwos (width) { - if (this.testn(width - 1)) { - return this.notn(width).iaddn(1).ineg(); - } - return this.clone(); - }; - - BN.prototype.isNeg = function isNeg () { - return this.negative !== 0; - }; - - // Return negative clone of `this` - BN.prototype.neg = function neg () { - return this.clone().ineg(); - }; - - BN.prototype.ineg = function ineg () { - if (!this.isZero()) { - this.negative ^= 1; - } - - return this; - }; - - // Or `num` with `this` in-place - BN.prototype.iuor = function iuor (num) { - while (this.length < num.length) { - this.words[this.length++] = 0; - } - - for (var i = 0; i < num.length; i++) { - this.words[i] = this.words[i] | num.words[i]; - } - - return this._strip(); - }; - - BN.prototype.ior = function ior (num) { - assert((this.negative | num.negative) === 0); - return this.iuor(num); - }; - - // Or `num` with `this` - BN.prototype.or = function or (num) { - if (this.length > num.length) return this.clone().ior(num); - return num.clone().ior(this); - }; - - BN.prototype.uor = function uor (num) { - if (this.length > num.length) return this.clone().iuor(num); - return num.clone().iuor(this); - }; - - // And `num` with `this` in-place - BN.prototype.iuand = function iuand (num) { - // b = min-length(num, this) - var b; - if (this.length > num.length) { - b = num; - } else { - b = this; - } - - for (var i = 0; i < b.length; i++) { - this.words[i] = this.words[i] & num.words[i]; - } - - this.length = b.length; - - return this._strip(); - }; - - BN.prototype.iand = function iand (num) { - assert((this.negative | num.negative) === 0); - return this.iuand(num); - }; - - // And `num` with `this` - BN.prototype.and = function and (num) { - if (this.length > num.length) return this.clone().iand(num); - return num.clone().iand(this); - }; - - BN.prototype.uand = function uand (num) { - if (this.length > num.length) return this.clone().iuand(num); - return num.clone().iuand(this); - }; - - // Xor `num` with `this` in-place - BN.prototype.iuxor = function iuxor (num) { - // a.length > b.length - var a; - var b; - if (this.length > num.length) { - a = this; - b = num; - } else { - a = num; - b = this; - } - - for (var i = 0; i < b.length; i++) { - this.words[i] = a.words[i] ^ b.words[i]; - } - - if (this !== a) { - for (; i < a.length; i++) { - this.words[i] = a.words[i]; - } - } - - this.length = a.length; - - return this._strip(); - }; - - BN.prototype.ixor = function ixor (num) { - assert((this.negative | num.negative) === 0); - return this.iuxor(num); - }; - - // Xor `num` with `this` - BN.prototype.xor = function xor (num) { - if (this.length > num.length) return this.clone().ixor(num); - return num.clone().ixor(this); - }; - - BN.prototype.uxor = function uxor (num) { - if (this.length > num.length) return this.clone().iuxor(num); - return num.clone().iuxor(this); - }; - - // Not ``this`` with ``width`` bitwidth - BN.prototype.inotn = function inotn (width) { - assert(typeof width === 'number' && width >= 0); - - var bytesNeeded = Math.ceil(width / 26) | 0; - var bitsLeft = width % 26; - - // Extend the buffer with leading zeroes - this._expand(bytesNeeded); - - if (bitsLeft > 0) { - bytesNeeded--; - } - - // Handle complete words - for (var i = 0; i < bytesNeeded; i++) { - this.words[i] = ~this.words[i] & 0x3ffffff; - } - - // Handle the residue - if (bitsLeft > 0) { - this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft)); - } - - // And remove leading zeroes - return this._strip(); - }; - - BN.prototype.notn = function notn (width) { - return this.clone().inotn(width); - }; - - // Set `bit` of `this` - BN.prototype.setn = function setn (bit, val) { - assert(typeof bit === 'number' && bit >= 0); - - var off = (bit / 26) | 0; - var wbit = bit % 26; - - this._expand(off + 1); - - if (val) { - this.words[off] = this.words[off] | (1 << wbit); - } else { - this.words[off] = this.words[off] & ~(1 << wbit); - } - - return this._strip(); - }; - - // Add `num` to `this` in-place - BN.prototype.iadd = function iadd (num) { - var r; - - // negative + positive - if (this.negative !== 0 && num.negative === 0) { - this.negative = 0; - r = this.isub(num); - this.negative ^= 1; - return this._normSign(); - - // positive + negative - } else if (this.negative === 0 && num.negative !== 0) { - num.negative = 0; - r = this.isub(num); - num.negative = 1; - return r._normSign(); - } - - // a.length > b.length - var a, b; - if (this.length > num.length) { - a = this; - b = num; - } else { - a = num; - b = this; - } - - var carry = 0; - for (var i = 0; i < b.length; i++) { - r = (a.words[i] | 0) + (b.words[i] | 0) + carry; - this.words[i] = r & 0x3ffffff; - carry = r >>> 26; - } - for (; carry !== 0 && i < a.length; i++) { - r = (a.words[i] | 0) + carry; - this.words[i] = r & 0x3ffffff; - carry = r >>> 26; - } - - this.length = a.length; - if (carry !== 0) { - this.words[this.length] = carry; - this.length++; - // Copy the rest of the words - } else if (a !== this) { - for (; i < a.length; i++) { - this.words[i] = a.words[i]; - } - } - - return this; - }; - - // Add `num` to `this` - BN.prototype.add = function add (num) { - var res; - if (num.negative !== 0 && this.negative === 0) { - num.negative = 0; - res = this.sub(num); - num.negative ^= 1; - return res; - } else if (num.negative === 0 && this.negative !== 0) { - this.negative = 0; - res = num.sub(this); - this.negative = 1; - return res; - } - - if (this.length > num.length) return this.clone().iadd(num); - - return num.clone().iadd(this); - }; - - // Subtract `num` from `this` in-place - BN.prototype.isub = function isub (num) { - // this - (-num) = this + num - if (num.negative !== 0) { - num.negative = 0; - var r = this.iadd(num); - num.negative = 1; - return r._normSign(); - - // -this - num = -(this + num) - } else if (this.negative !== 0) { - this.negative = 0; - this.iadd(num); - this.negative = 1; - return this._normSign(); - } - - // At this point both numbers are positive - var cmp = this.cmp(num); - - // Optimization - zeroify - if (cmp === 0) { - this.negative = 0; - this.length = 1; - this.words[0] = 0; - return this; - } - - // a > b - var a, b; - if (cmp > 0) { - a = this; - b = num; - } else { - a = num; - b = this; - } - - var carry = 0; - for (var i = 0; i < b.length; i++) { - r = (a.words[i] | 0) - (b.words[i] | 0) + carry; - carry = r >> 26; - this.words[i] = r & 0x3ffffff; - } - for (; carry !== 0 && i < a.length; i++) { - r = (a.words[i] | 0) + carry; - carry = r >> 26; - this.words[i] = r & 0x3ffffff; - } - - // Copy rest of the words - if (carry === 0 && i < a.length && a !== this) { - for (; i < a.length; i++) { - this.words[i] = a.words[i]; - } - } - - this.length = Math.max(this.length, i); - - if (a !== this) { - this.negative = 1; - } - - return this._strip(); - }; - - // Subtract `num` from `this` - BN.prototype.sub = function sub (num) { - return this.clone().isub(num); - }; - - function smallMulTo (self, num, out) { - out.negative = num.negative ^ self.negative; - var len = (self.length + num.length) | 0; - out.length = len; - len = (len - 1) | 0; - - // Peel one iteration (compiler can't do it, because of code complexity) - var a = self.words[0] | 0; - var b = num.words[0] | 0; - var r = a * b; - - var lo = r & 0x3ffffff; - var carry = (r / 0x4000000) | 0; - out.words[0] = lo; - - for (var k = 1; k < len; k++) { - // Sum all words with the same `i + j = k` and accumulate `ncarry`, - // note that ncarry could be >= 0x3ffffff - var ncarry = carry >>> 26; - var rword = carry & 0x3ffffff; - var maxJ = Math.min(k, num.length - 1); - for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { - var i = (k - j) | 0; - a = self.words[i] | 0; - b = num.words[j] | 0; - r = a * b + rword; - ncarry += (r / 0x4000000) | 0; - rword = r & 0x3ffffff; - } - out.words[k] = rword | 0; - carry = ncarry | 0; - } - if (carry !== 0) { - out.words[k] = carry | 0; - } else { - out.length--; - } - - return out._strip(); - } - - // TODO(indutny): it may be reasonable to omit it for users who don't need - // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit - // multiplication (like elliptic secp256k1). - var comb10MulTo = function comb10MulTo (self, num, out) { - var a = self.words; - var b = num.words; - var o = out.words; - var c = 0; - var lo; - var mid; - var hi; - var a0 = a[0] | 0; - var al0 = a0 & 0x1fff; - var ah0 = a0 >>> 13; - var a1 = a[1] | 0; - var al1 = a1 & 0x1fff; - var ah1 = a1 >>> 13; - var a2 = a[2] | 0; - var al2 = a2 & 0x1fff; - var ah2 = a2 >>> 13; - var a3 = a[3] | 0; - var al3 = a3 & 0x1fff; - var ah3 = a3 >>> 13; - var a4 = a[4] | 0; - var al4 = a4 & 0x1fff; - var ah4 = a4 >>> 13; - var a5 = a[5] | 0; - var al5 = a5 & 0x1fff; - var ah5 = a5 >>> 13; - var a6 = a[6] | 0; - var al6 = a6 & 0x1fff; - var ah6 = a6 >>> 13; - var a7 = a[7] | 0; - var al7 = a7 & 0x1fff; - var ah7 = a7 >>> 13; - var a8 = a[8] | 0; - var al8 = a8 & 0x1fff; - var ah8 = a8 >>> 13; - var a9 = a[9] | 0; - var al9 = a9 & 0x1fff; - var ah9 = a9 >>> 13; - var b0 = b[0] | 0; - var bl0 = b0 & 0x1fff; - var bh0 = b0 >>> 13; - var b1 = b[1] | 0; - var bl1 = b1 & 0x1fff; - var bh1 = b1 >>> 13; - var b2 = b[2] | 0; - var bl2 = b2 & 0x1fff; - var bh2 = b2 >>> 13; - var b3 = b[3] | 0; - var bl3 = b3 & 0x1fff; - var bh3 = b3 >>> 13; - var b4 = b[4] | 0; - var bl4 = b4 & 0x1fff; - var bh4 = b4 >>> 13; - var b5 = b[5] | 0; - var bl5 = b5 & 0x1fff; - var bh5 = b5 >>> 13; - var b6 = b[6] | 0; - var bl6 = b6 & 0x1fff; - var bh6 = b6 >>> 13; - var b7 = b[7] | 0; - var bl7 = b7 & 0x1fff; - var bh7 = b7 >>> 13; - var b8 = b[8] | 0; - var bl8 = b8 & 0x1fff; - var bh8 = b8 >>> 13; - var b9 = b[9] | 0; - var bl9 = b9 & 0x1fff; - var bh9 = b9 >>> 13; - - out.negative = self.negative ^ num.negative; - out.length = 19; - /* k = 0 */ - lo = Math.imul(al0, bl0); - mid = Math.imul(al0, bh0); - mid = (mid + Math.imul(ah0, bl0)) | 0; - hi = Math.imul(ah0, bh0); - var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0; - w0 &= 0x3ffffff; - /* k = 1 */ - lo = Math.imul(al1, bl0); - mid = Math.imul(al1, bh0); - mid = (mid + Math.imul(ah1, bl0)) | 0; - hi = Math.imul(ah1, bh0); - lo = (lo + Math.imul(al0, bl1)) | 0; - mid = (mid + Math.imul(al0, bh1)) | 0; - mid = (mid + Math.imul(ah0, bl1)) | 0; - hi = (hi + Math.imul(ah0, bh1)) | 0; - var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0; - w1 &= 0x3ffffff; - /* k = 2 */ - lo = Math.imul(al2, bl0); - mid = Math.imul(al2, bh0); - mid = (mid + Math.imul(ah2, bl0)) | 0; - hi = Math.imul(ah2, bh0); - lo = (lo + Math.imul(al1, bl1)) | 0; - mid = (mid + Math.imul(al1, bh1)) | 0; - mid = (mid + Math.imul(ah1, bl1)) | 0; - hi = (hi + Math.imul(ah1, bh1)) | 0; - lo = (lo + Math.imul(al0, bl2)) | 0; - mid = (mid + Math.imul(al0, bh2)) | 0; - mid = (mid + Math.imul(ah0, bl2)) | 0; - hi = (hi + Math.imul(ah0, bh2)) | 0; - var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0; - w2 &= 0x3ffffff; - /* k = 3 */ - lo = Math.imul(al3, bl0); - mid = Math.imul(al3, bh0); - mid = (mid + Math.imul(ah3, bl0)) | 0; - hi = Math.imul(ah3, bh0); - lo = (lo + Math.imul(al2, bl1)) | 0; - mid = (mid + Math.imul(al2, bh1)) | 0; - mid = (mid + Math.imul(ah2, bl1)) | 0; - hi = (hi + Math.imul(ah2, bh1)) | 0; - lo = (lo + Math.imul(al1, bl2)) | 0; - mid = (mid + Math.imul(al1, bh2)) | 0; - mid = (mid + Math.imul(ah1, bl2)) | 0; - hi = (hi + Math.imul(ah1, bh2)) | 0; - lo = (lo + Math.imul(al0, bl3)) | 0; - mid = (mid + Math.imul(al0, bh3)) | 0; - mid = (mid + Math.imul(ah0, bl3)) | 0; - hi = (hi + Math.imul(ah0, bh3)) | 0; - var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0; - w3 &= 0x3ffffff; - /* k = 4 */ - lo = Math.imul(al4, bl0); - mid = Math.imul(al4, bh0); - mid = (mid + Math.imul(ah4, bl0)) | 0; - hi = Math.imul(ah4, bh0); - lo = (lo + Math.imul(al3, bl1)) | 0; - mid = (mid + Math.imul(al3, bh1)) | 0; - mid = (mid + Math.imul(ah3, bl1)) | 0; - hi = (hi + Math.imul(ah3, bh1)) | 0; - lo = (lo + Math.imul(al2, bl2)) | 0; - mid = (mid + Math.imul(al2, bh2)) | 0; - mid = (mid + Math.imul(ah2, bl2)) | 0; - hi = (hi + Math.imul(ah2, bh2)) | 0; - lo = (lo + Math.imul(al1, bl3)) | 0; - mid = (mid + Math.imul(al1, bh3)) | 0; - mid = (mid + Math.imul(ah1, bl3)) | 0; - hi = (hi + Math.imul(ah1, bh3)) | 0; - lo = (lo + Math.imul(al0, bl4)) | 0; - mid = (mid + Math.imul(al0, bh4)) | 0; - mid = (mid + Math.imul(ah0, bl4)) | 0; - hi = (hi + Math.imul(ah0, bh4)) | 0; - var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0; - w4 &= 0x3ffffff; - /* k = 5 */ - lo = Math.imul(al5, bl0); - mid = Math.imul(al5, bh0); - mid = (mid + Math.imul(ah5, bl0)) | 0; - hi = Math.imul(ah5, bh0); - lo = (lo + Math.imul(al4, bl1)) | 0; - mid = (mid + Math.imul(al4, bh1)) | 0; - mid = (mid + Math.imul(ah4, bl1)) | 0; - hi = (hi + Math.imul(ah4, bh1)) | 0; - lo = (lo + Math.imul(al3, bl2)) | 0; - mid = (mid + Math.imul(al3, bh2)) | 0; - mid = (mid + Math.imul(ah3, bl2)) | 0; - hi = (hi + Math.imul(ah3, bh2)) | 0; - lo = (lo + Math.imul(al2, bl3)) | 0; - mid = (mid + Math.imul(al2, bh3)) | 0; - mid = (mid + Math.imul(ah2, bl3)) | 0; - hi = (hi + Math.imul(ah2, bh3)) | 0; - lo = (lo + Math.imul(al1, bl4)) | 0; - mid = (mid + Math.imul(al1, bh4)) | 0; - mid = (mid + Math.imul(ah1, bl4)) | 0; - hi = (hi + Math.imul(ah1, bh4)) | 0; - lo = (lo + Math.imul(al0, bl5)) | 0; - mid = (mid + Math.imul(al0, bh5)) | 0; - mid = (mid + Math.imul(ah0, bl5)) | 0; - hi = (hi + Math.imul(ah0, bh5)) | 0; - var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0; - w5 &= 0x3ffffff; - /* k = 6 */ - lo = Math.imul(al6, bl0); - mid = Math.imul(al6, bh0); - mid = (mid + Math.imul(ah6, bl0)) | 0; - hi = Math.imul(ah6, bh0); - lo = (lo + Math.imul(al5, bl1)) | 0; - mid = (mid + Math.imul(al5, bh1)) | 0; - mid = (mid + Math.imul(ah5, bl1)) | 0; - hi = (hi + Math.imul(ah5, bh1)) | 0; - lo = (lo + Math.imul(al4, bl2)) | 0; - mid = (mid + Math.imul(al4, bh2)) | 0; - mid = (mid + Math.imul(ah4, bl2)) | 0; - hi = (hi + Math.imul(ah4, bh2)) | 0; - lo = (lo + Math.imul(al3, bl3)) | 0; - mid = (mid + Math.imul(al3, bh3)) | 0; - mid = (mid + Math.imul(ah3, bl3)) | 0; - hi = (hi + Math.imul(ah3, bh3)) | 0; - lo = (lo + Math.imul(al2, bl4)) | 0; - mid = (mid + Math.imul(al2, bh4)) | 0; - mid = (mid + Math.imul(ah2, bl4)) | 0; - hi = (hi + Math.imul(ah2, bh4)) | 0; - lo = (lo + Math.imul(al1, bl5)) | 0; - mid = (mid + Math.imul(al1, bh5)) | 0; - mid = (mid + Math.imul(ah1, bl5)) | 0; - hi = (hi + Math.imul(ah1, bh5)) | 0; - lo = (lo + Math.imul(al0, bl6)) | 0; - mid = (mid + Math.imul(al0, bh6)) | 0; - mid = (mid + Math.imul(ah0, bl6)) | 0; - hi = (hi + Math.imul(ah0, bh6)) | 0; - var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0; - w6 &= 0x3ffffff; - /* k = 7 */ - lo = Math.imul(al7, bl0); - mid = Math.imul(al7, bh0); - mid = (mid + Math.imul(ah7, bl0)) | 0; - hi = Math.imul(ah7, bh0); - lo = (lo + Math.imul(al6, bl1)) | 0; - mid = (mid + Math.imul(al6, bh1)) | 0; - mid = (mid + Math.imul(ah6, bl1)) | 0; - hi = (hi + Math.imul(ah6, bh1)) | 0; - lo = (lo + Math.imul(al5, bl2)) | 0; - mid = (mid + Math.imul(al5, bh2)) | 0; - mid = (mid + Math.imul(ah5, bl2)) | 0; - hi = (hi + Math.imul(ah5, bh2)) | 0; - lo = (lo + Math.imul(al4, bl3)) | 0; - mid = (mid + Math.imul(al4, bh3)) | 0; - mid = (mid + Math.imul(ah4, bl3)) | 0; - hi = (hi + Math.imul(ah4, bh3)) | 0; - lo = (lo + Math.imul(al3, bl4)) | 0; - mid = (mid + Math.imul(al3, bh4)) | 0; - mid = (mid + Math.imul(ah3, bl4)) | 0; - hi = (hi + Math.imul(ah3, bh4)) | 0; - lo = (lo + Math.imul(al2, bl5)) | 0; - mid = (mid + Math.imul(al2, bh5)) | 0; - mid = (mid + Math.imul(ah2, bl5)) | 0; - hi = (hi + Math.imul(ah2, bh5)) | 0; - lo = (lo + Math.imul(al1, bl6)) | 0; - mid = (mid + Math.imul(al1, bh6)) | 0; - mid = (mid + Math.imul(ah1, bl6)) | 0; - hi = (hi + Math.imul(ah1, bh6)) | 0; - lo = (lo + Math.imul(al0, bl7)) | 0; - mid = (mid + Math.imul(al0, bh7)) | 0; - mid = (mid + Math.imul(ah0, bl7)) | 0; - hi = (hi + Math.imul(ah0, bh7)) | 0; - var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0; - w7 &= 0x3ffffff; - /* k = 8 */ - lo = Math.imul(al8, bl0); - mid = Math.imul(al8, bh0); - mid = (mid + Math.imul(ah8, bl0)) | 0; - hi = Math.imul(ah8, bh0); - lo = (lo + Math.imul(al7, bl1)) | 0; - mid = (mid + Math.imul(al7, bh1)) | 0; - mid = (mid + Math.imul(ah7, bl1)) | 0; - hi = (hi + Math.imul(ah7, bh1)) | 0; - lo = (lo + Math.imul(al6, bl2)) | 0; - mid = (mid + Math.imul(al6, bh2)) | 0; - mid = (mid + Math.imul(ah6, bl2)) | 0; - hi = (hi + Math.imul(ah6, bh2)) | 0; - lo = (lo + Math.imul(al5, bl3)) | 0; - mid = (mid + Math.imul(al5, bh3)) | 0; - mid = (mid + Math.imul(ah5, bl3)) | 0; - hi = (hi + Math.imul(ah5, bh3)) | 0; - lo = (lo + Math.imul(al4, bl4)) | 0; - mid = (mid + Math.imul(al4, bh4)) | 0; - mid = (mid + Math.imul(ah4, bl4)) | 0; - hi = (hi + Math.imul(ah4, bh4)) | 0; - lo = (lo + Math.imul(al3, bl5)) | 0; - mid = (mid + Math.imul(al3, bh5)) | 0; - mid = (mid + Math.imul(ah3, bl5)) | 0; - hi = (hi + Math.imul(ah3, bh5)) | 0; - lo = (lo + Math.imul(al2, bl6)) | 0; - mid = (mid + Math.imul(al2, bh6)) | 0; - mid = (mid + Math.imul(ah2, bl6)) | 0; - hi = (hi + Math.imul(ah2, bh6)) | 0; - lo = (lo + Math.imul(al1, bl7)) | 0; - mid = (mid + Math.imul(al1, bh7)) | 0; - mid = (mid + Math.imul(ah1, bl7)) | 0; - hi = (hi + Math.imul(ah1, bh7)) | 0; - lo = (lo + Math.imul(al0, bl8)) | 0; - mid = (mid + Math.imul(al0, bh8)) | 0; - mid = (mid + Math.imul(ah0, bl8)) | 0; - hi = (hi + Math.imul(ah0, bh8)) | 0; - var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0; - w8 &= 0x3ffffff; - /* k = 9 */ - lo = Math.imul(al9, bl0); - mid = Math.imul(al9, bh0); - mid = (mid + Math.imul(ah9, bl0)) | 0; - hi = Math.imul(ah9, bh0); - lo = (lo + Math.imul(al8, bl1)) | 0; - mid = (mid + Math.imul(al8, bh1)) | 0; - mid = (mid + Math.imul(ah8, bl1)) | 0; - hi = (hi + Math.imul(ah8, bh1)) | 0; - lo = (lo + Math.imul(al7, bl2)) | 0; - mid = (mid + Math.imul(al7, bh2)) | 0; - mid = (mid + Math.imul(ah7, bl2)) | 0; - hi = (hi + Math.imul(ah7, bh2)) | 0; - lo = (lo + Math.imul(al6, bl3)) | 0; - mid = (mid + Math.imul(al6, bh3)) | 0; - mid = (mid + Math.imul(ah6, bl3)) | 0; - hi = (hi + Math.imul(ah6, bh3)) | 0; - lo = (lo + Math.imul(al5, bl4)) | 0; - mid = (mid + Math.imul(al5, bh4)) | 0; - mid = (mid + Math.imul(ah5, bl4)) | 0; - hi = (hi + Math.imul(ah5, bh4)) | 0; - lo = (lo + Math.imul(al4, bl5)) | 0; - mid = (mid + Math.imul(al4, bh5)) | 0; - mid = (mid + Math.imul(ah4, bl5)) | 0; - hi = (hi + Math.imul(ah4, bh5)) | 0; - lo = (lo + Math.imul(al3, bl6)) | 0; - mid = (mid + Math.imul(al3, bh6)) | 0; - mid = (mid + Math.imul(ah3, bl6)) | 0; - hi = (hi + Math.imul(ah3, bh6)) | 0; - lo = (lo + Math.imul(al2, bl7)) | 0; - mid = (mid + Math.imul(al2, bh7)) | 0; - mid = (mid + Math.imul(ah2, bl7)) | 0; - hi = (hi + Math.imul(ah2, bh7)) | 0; - lo = (lo + Math.imul(al1, bl8)) | 0; - mid = (mid + Math.imul(al1, bh8)) | 0; - mid = (mid + Math.imul(ah1, bl8)) | 0; - hi = (hi + Math.imul(ah1, bh8)) | 0; - lo = (lo + Math.imul(al0, bl9)) | 0; - mid = (mid + Math.imul(al0, bh9)) | 0; - mid = (mid + Math.imul(ah0, bl9)) | 0; - hi = (hi + Math.imul(ah0, bh9)) | 0; - var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0; - w9 &= 0x3ffffff; - /* k = 10 */ - lo = Math.imul(al9, bl1); - mid = Math.imul(al9, bh1); - mid = (mid + Math.imul(ah9, bl1)) | 0; - hi = Math.imul(ah9, bh1); - lo = (lo + Math.imul(al8, bl2)) | 0; - mid = (mid + Math.imul(al8, bh2)) | 0; - mid = (mid + Math.imul(ah8, bl2)) | 0; - hi = (hi + Math.imul(ah8, bh2)) | 0; - lo = (lo + Math.imul(al7, bl3)) | 0; - mid = (mid + Math.imul(al7, bh3)) | 0; - mid = (mid + Math.imul(ah7, bl3)) | 0; - hi = (hi + Math.imul(ah7, bh3)) | 0; - lo = (lo + Math.imul(al6, bl4)) | 0; - mid = (mid + Math.imul(al6, bh4)) | 0; - mid = (mid + Math.imul(ah6, bl4)) | 0; - hi = (hi + Math.imul(ah6, bh4)) | 0; - lo = (lo + Math.imul(al5, bl5)) | 0; - mid = (mid + Math.imul(al5, bh5)) | 0; - mid = (mid + Math.imul(ah5, bl5)) | 0; - hi = (hi + Math.imul(ah5, bh5)) | 0; - lo = (lo + Math.imul(al4, bl6)) | 0; - mid = (mid + Math.imul(al4, bh6)) | 0; - mid = (mid + Math.imul(ah4, bl6)) | 0; - hi = (hi + Math.imul(ah4, bh6)) | 0; - lo = (lo + Math.imul(al3, bl7)) | 0; - mid = (mid + Math.imul(al3, bh7)) | 0; - mid = (mid + Math.imul(ah3, bl7)) | 0; - hi = (hi + Math.imul(ah3, bh7)) | 0; - lo = (lo + Math.imul(al2, bl8)) | 0; - mid = (mid + Math.imul(al2, bh8)) | 0; - mid = (mid + Math.imul(ah2, bl8)) | 0; - hi = (hi + Math.imul(ah2, bh8)) | 0; - lo = (lo + Math.imul(al1, bl9)) | 0; - mid = (mid + Math.imul(al1, bh9)) | 0; - mid = (mid + Math.imul(ah1, bl9)) | 0; - hi = (hi + Math.imul(ah1, bh9)) | 0; - var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0; - w10 &= 0x3ffffff; - /* k = 11 */ - lo = Math.imul(al9, bl2); - mid = Math.imul(al9, bh2); - mid = (mid + Math.imul(ah9, bl2)) | 0; - hi = Math.imul(ah9, bh2); - lo = (lo + Math.imul(al8, bl3)) | 0; - mid = (mid + Math.imul(al8, bh3)) | 0; - mid = (mid + Math.imul(ah8, bl3)) | 0; - hi = (hi + Math.imul(ah8, bh3)) | 0; - lo = (lo + Math.imul(al7, bl4)) | 0; - mid = (mid + Math.imul(al7, bh4)) | 0; - mid = (mid + Math.imul(ah7, bl4)) | 0; - hi = (hi + Math.imul(ah7, bh4)) | 0; - lo = (lo + Math.imul(al6, bl5)) | 0; - mid = (mid + Math.imul(al6, bh5)) | 0; - mid = (mid + Math.imul(ah6, bl5)) | 0; - hi = (hi + Math.imul(ah6, bh5)) | 0; - lo = (lo + Math.imul(al5, bl6)) | 0; - mid = (mid + Math.imul(al5, bh6)) | 0; - mid = (mid + Math.imul(ah5, bl6)) | 0; - hi = (hi + Math.imul(ah5, bh6)) | 0; - lo = (lo + Math.imul(al4, bl7)) | 0; - mid = (mid + Math.imul(al4, bh7)) | 0; - mid = (mid + Math.imul(ah4, bl7)) | 0; - hi = (hi + Math.imul(ah4, bh7)) | 0; - lo = (lo + Math.imul(al3, bl8)) | 0; - mid = (mid + Math.imul(al3, bh8)) | 0; - mid = (mid + Math.imul(ah3, bl8)) | 0; - hi = (hi + Math.imul(ah3, bh8)) | 0; - lo = (lo + Math.imul(al2, bl9)) | 0; - mid = (mid + Math.imul(al2, bh9)) | 0; - mid = (mid + Math.imul(ah2, bl9)) | 0; - hi = (hi + Math.imul(ah2, bh9)) | 0; - var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0; - w11 &= 0x3ffffff; - /* k = 12 */ - lo = Math.imul(al9, bl3); - mid = Math.imul(al9, bh3); - mid = (mid + Math.imul(ah9, bl3)) | 0; - hi = Math.imul(ah9, bh3); - lo = (lo + Math.imul(al8, bl4)) | 0; - mid = (mid + Math.imul(al8, bh4)) | 0; - mid = (mid + Math.imul(ah8, bl4)) | 0; - hi = (hi + Math.imul(ah8, bh4)) | 0; - lo = (lo + Math.imul(al7, bl5)) | 0; - mid = (mid + Math.imul(al7, bh5)) | 0; - mid = (mid + Math.imul(ah7, bl5)) | 0; - hi = (hi + Math.imul(ah7, bh5)) | 0; - lo = (lo + Math.imul(al6, bl6)) | 0; - mid = (mid + Math.imul(al6, bh6)) | 0; - mid = (mid + Math.imul(ah6, bl6)) | 0; - hi = (hi + Math.imul(ah6, bh6)) | 0; - lo = (lo + Math.imul(al5, bl7)) | 0; - mid = (mid + Math.imul(al5, bh7)) | 0; - mid = (mid + Math.imul(ah5, bl7)) | 0; - hi = (hi + Math.imul(ah5, bh7)) | 0; - lo = (lo + Math.imul(al4, bl8)) | 0; - mid = (mid + Math.imul(al4, bh8)) | 0; - mid = (mid + Math.imul(ah4, bl8)) | 0; - hi = (hi + Math.imul(ah4, bh8)) | 0; - lo = (lo + Math.imul(al3, bl9)) | 0; - mid = (mid + Math.imul(al3, bh9)) | 0; - mid = (mid + Math.imul(ah3, bl9)) | 0; - hi = (hi + Math.imul(ah3, bh9)) | 0; - var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0; - w12 &= 0x3ffffff; - /* k = 13 */ - lo = Math.imul(al9, bl4); - mid = Math.imul(al9, bh4); - mid = (mid + Math.imul(ah9, bl4)) | 0; - hi = Math.imul(ah9, bh4); - lo = (lo + Math.imul(al8, bl5)) | 0; - mid = (mid + Math.imul(al8, bh5)) | 0; - mid = (mid + Math.imul(ah8, bl5)) | 0; - hi = (hi + Math.imul(ah8, bh5)) | 0; - lo = (lo + Math.imul(al7, bl6)) | 0; - mid = (mid + Math.imul(al7, bh6)) | 0; - mid = (mid + Math.imul(ah7, bl6)) | 0; - hi = (hi + Math.imul(ah7, bh6)) | 0; - lo = (lo + Math.imul(al6, bl7)) | 0; - mid = (mid + Math.imul(al6, bh7)) | 0; - mid = (mid + Math.imul(ah6, bl7)) | 0; - hi = (hi + Math.imul(ah6, bh7)) | 0; - lo = (lo + Math.imul(al5, bl8)) | 0; - mid = (mid + Math.imul(al5, bh8)) | 0; - mid = (mid + Math.imul(ah5, bl8)) | 0; - hi = (hi + Math.imul(ah5, bh8)) | 0; - lo = (lo + Math.imul(al4, bl9)) | 0; - mid = (mid + Math.imul(al4, bh9)) | 0; - mid = (mid + Math.imul(ah4, bl9)) | 0; - hi = (hi + Math.imul(ah4, bh9)) | 0; - var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0; - w13 &= 0x3ffffff; - /* k = 14 */ - lo = Math.imul(al9, bl5); - mid = Math.imul(al9, bh5); - mid = (mid + Math.imul(ah9, bl5)) | 0; - hi = Math.imul(ah9, bh5); - lo = (lo + Math.imul(al8, bl6)) | 0; - mid = (mid + Math.imul(al8, bh6)) | 0; - mid = (mid + Math.imul(ah8, bl6)) | 0; - hi = (hi + Math.imul(ah8, bh6)) | 0; - lo = (lo + Math.imul(al7, bl7)) | 0; - mid = (mid + Math.imul(al7, bh7)) | 0; - mid = (mid + Math.imul(ah7, bl7)) | 0; - hi = (hi + Math.imul(ah7, bh7)) | 0; - lo = (lo + Math.imul(al6, bl8)) | 0; - mid = (mid + Math.imul(al6, bh8)) | 0; - mid = (mid + Math.imul(ah6, bl8)) | 0; - hi = (hi + Math.imul(ah6, bh8)) | 0; - lo = (lo + Math.imul(al5, bl9)) | 0; - mid = (mid + Math.imul(al5, bh9)) | 0; - mid = (mid + Math.imul(ah5, bl9)) | 0; - hi = (hi + Math.imul(ah5, bh9)) | 0; - var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0; - w14 &= 0x3ffffff; - /* k = 15 */ - lo = Math.imul(al9, bl6); - mid = Math.imul(al9, bh6); - mid = (mid + Math.imul(ah9, bl6)) | 0; - hi = Math.imul(ah9, bh6); - lo = (lo + Math.imul(al8, bl7)) | 0; - mid = (mid + Math.imul(al8, bh7)) | 0; - mid = (mid + Math.imul(ah8, bl7)) | 0; - hi = (hi + Math.imul(ah8, bh7)) | 0; - lo = (lo + Math.imul(al7, bl8)) | 0; - mid = (mid + Math.imul(al7, bh8)) | 0; - mid = (mid + Math.imul(ah7, bl8)) | 0; - hi = (hi + Math.imul(ah7, bh8)) | 0; - lo = (lo + Math.imul(al6, bl9)) | 0; - mid = (mid + Math.imul(al6, bh9)) | 0; - mid = (mid + Math.imul(ah6, bl9)) | 0; - hi = (hi + Math.imul(ah6, bh9)) | 0; - var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0; - w15 &= 0x3ffffff; - /* k = 16 */ - lo = Math.imul(al9, bl7); - mid = Math.imul(al9, bh7); - mid = (mid + Math.imul(ah9, bl7)) | 0; - hi = Math.imul(ah9, bh7); - lo = (lo + Math.imul(al8, bl8)) | 0; - mid = (mid + Math.imul(al8, bh8)) | 0; - mid = (mid + Math.imul(ah8, bl8)) | 0; - hi = (hi + Math.imul(ah8, bh8)) | 0; - lo = (lo + Math.imul(al7, bl9)) | 0; - mid = (mid + Math.imul(al7, bh9)) | 0; - mid = (mid + Math.imul(ah7, bl9)) | 0; - hi = (hi + Math.imul(ah7, bh9)) | 0; - var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0; - w16 &= 0x3ffffff; - /* k = 17 */ - lo = Math.imul(al9, bl8); - mid = Math.imul(al9, bh8); - mid = (mid + Math.imul(ah9, bl8)) | 0; - hi = Math.imul(ah9, bh8); - lo = (lo + Math.imul(al8, bl9)) | 0; - mid = (mid + Math.imul(al8, bh9)) | 0; - mid = (mid + Math.imul(ah8, bl9)) | 0; - hi = (hi + Math.imul(ah8, bh9)) | 0; - var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0; - w17 &= 0x3ffffff; - /* k = 18 */ - lo = Math.imul(al9, bl9); - mid = Math.imul(al9, bh9); - mid = (mid + Math.imul(ah9, bl9)) | 0; - hi = Math.imul(ah9, bh9); - var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; - c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0; - w18 &= 0x3ffffff; - o[0] = w0; - o[1] = w1; - o[2] = w2; - o[3] = w3; - o[4] = w4; - o[5] = w5; - o[6] = w6; - o[7] = w7; - o[8] = w8; - o[9] = w9; - o[10] = w10; - o[11] = w11; - o[12] = w12; - o[13] = w13; - o[14] = w14; - o[15] = w15; - o[16] = w16; - o[17] = w17; - o[18] = w18; - if (c !== 0) { - o[19] = c; - out.length++; - } - return out; - }; - - // Polyfill comb - if (!Math.imul) { - comb10MulTo = smallMulTo; - } - - function bigMulTo (self, num, out) { - out.negative = num.negative ^ self.negative; - out.length = self.length + num.length; - - var carry = 0; - var hncarry = 0; - for (var k = 0; k < out.length - 1; k++) { - // Sum all words with the same `i + j = k` and accumulate `ncarry`, - // note that ncarry could be >= 0x3ffffff - var ncarry = hncarry; - hncarry = 0; - var rword = carry & 0x3ffffff; - var maxJ = Math.min(k, num.length - 1); - for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { - var i = k - j; - var a = self.words[i] | 0; - var b = num.words[j] | 0; - var r = a * b; - - var lo = r & 0x3ffffff; - ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0; - lo = (lo + rword) | 0; - rword = lo & 0x3ffffff; - ncarry = (ncarry + (lo >>> 26)) | 0; - - hncarry += ncarry >>> 26; - ncarry &= 0x3ffffff; - } - out.words[k] = rword; - carry = ncarry; - ncarry = hncarry; - } - if (carry !== 0) { - out.words[k] = carry; - } else { - out.length--; - } - - return out._strip(); - } - - function jumboMulTo (self, num, out) { - // Temporary disable, see https://github.com/indutny/bn.js/issues/211 - // var fftm = new FFTM(); - // return fftm.mulp(self, num, out); - return bigMulTo(self, num, out); - } - - BN.prototype.mulTo = function mulTo (num, out) { - var res; - var len = this.length + num.length; - if (this.length === 10 && num.length === 10) { - res = comb10MulTo(this, num, out); - } else if (len < 63) { - res = smallMulTo(this, num, out); - } else if (len < 1024) { - res = bigMulTo(this, num, out); - } else { - res = jumboMulTo(this, num, out); - } - - return res; - }; - - // Cooley-Tukey algorithm for FFT - // slightly revisited to rely on looping instead of recursion - - function FFTM (x, y) { - this.x = x; - this.y = y; - } - - FFTM.prototype.makeRBT = function makeRBT (N) { - var t = new Array(N); - var l = BN.prototype._countBits(N) - 1; - for (var i = 0; i < N; i++) { - t[i] = this.revBin(i, l, N); - } - - return t; - }; - - // Returns binary-reversed representation of `x` - FFTM.prototype.revBin = function revBin (x, l, N) { - if (x === 0 || x === N - 1) return x; - - var rb = 0; - for (var i = 0; i < l; i++) { - rb |= (x & 1) << (l - i - 1); - x >>= 1; - } - - return rb; - }; - - // Performs "tweedling" phase, therefore 'emulating' - // behaviour of the recursive algorithm - FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) { - for (var i = 0; i < N; i++) { - rtws[i] = rws[rbt[i]]; - itws[i] = iws[rbt[i]]; - } - }; - - FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) { - this.permute(rbt, rws, iws, rtws, itws, N); - - for (var s = 1; s < N; s <<= 1) { - var l = s << 1; - - var rtwdf = Math.cos(2 * Math.PI / l); - var itwdf = Math.sin(2 * Math.PI / l); - - for (var p = 0; p < N; p += l) { - var rtwdf_ = rtwdf; - var itwdf_ = itwdf; - - for (var j = 0; j < s; j++) { - var re = rtws[p + j]; - var ie = itws[p + j]; - - var ro = rtws[p + j + s]; - var io = itws[p + j + s]; - - var rx = rtwdf_ * ro - itwdf_ * io; - - io = rtwdf_ * io + itwdf_ * ro; - ro = rx; - - rtws[p + j] = re + ro; - itws[p + j] = ie + io; - - rtws[p + j + s] = re - ro; - itws[p + j + s] = ie - io; - - /* jshint maxdepth : false */ - if (j !== l) { - rx = rtwdf * rtwdf_ - itwdf * itwdf_; - - itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_; - rtwdf_ = rx; - } - } - } - } - }; - - FFTM.prototype.guessLen13b = function guessLen13b (n, m) { - var N = Math.max(m, n) | 1; - var odd = N & 1; - var i = 0; - for (N = N / 2 | 0; N; N = N >>> 1) { - i++; - } - - return 1 << i + 1 + odd; - }; - - FFTM.prototype.conjugate = function conjugate (rws, iws, N) { - if (N <= 1) return; - - for (var i = 0; i < N / 2; i++) { - var t = rws[i]; - - rws[i] = rws[N - i - 1]; - rws[N - i - 1] = t; - - t = iws[i]; - - iws[i] = -iws[N - i - 1]; - iws[N - i - 1] = -t; - } - }; - - FFTM.prototype.normalize13b = function normalize13b (ws, N) { - var carry = 0; - for (var i = 0; i < N / 2; i++) { - var w = Math.round(ws[2 * i + 1] / N) * 0x2000 + - Math.round(ws[2 * i] / N) + - carry; - - ws[i] = w & 0x3ffffff; - - if (w < 0x4000000) { - carry = 0; - } else { - carry = w / 0x4000000 | 0; - } - } - - return ws; - }; - - FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) { - var carry = 0; - for (var i = 0; i < len; i++) { - carry = carry + (ws[i] | 0); - - rws[2 * i] = carry & 0x1fff; carry = carry >>> 13; - rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13; - } - - // Pad with zeroes - for (i = 2 * len; i < N; ++i) { - rws[i] = 0; - } - - assert(carry === 0); - assert((carry & ~0x1fff) === 0); - }; - - FFTM.prototype.stub = function stub (N) { - var ph = new Array(N); - for (var i = 0; i < N; i++) { - ph[i] = 0; - } - - return ph; - }; - - FFTM.prototype.mulp = function mulp (x, y, out) { - var N = 2 * this.guessLen13b(x.length, y.length); - - var rbt = this.makeRBT(N); - - var _ = this.stub(N); - - var rws = new Array(N); - var rwst = new Array(N); - var iwst = new Array(N); - - var nrws = new Array(N); - var nrwst = new Array(N); - var niwst = new Array(N); - - var rmws = out.words; - rmws.length = N; - - this.convert13b(x.words, x.length, rws, N); - this.convert13b(y.words, y.length, nrws, N); - - this.transform(rws, _, rwst, iwst, N, rbt); - this.transform(nrws, _, nrwst, niwst, N, rbt); - - for (var i = 0; i < N; i++) { - var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i]; - iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i]; - rwst[i] = rx; - } - - this.conjugate(rwst, iwst, N); - this.transform(rwst, iwst, rmws, _, N, rbt); - this.conjugate(rmws, _, N); - this.normalize13b(rmws, N); - - out.negative = x.negative ^ y.negative; - out.length = x.length + y.length; - return out._strip(); - }; - - // Multiply `this` by `num` - BN.prototype.mul = function mul (num) { - var out = new BN(null); - out.words = new Array(this.length + num.length); - return this.mulTo(num, out); - }; - - // Multiply employing FFT - BN.prototype.mulf = function mulf (num) { - var out = new BN(null); - out.words = new Array(this.length + num.length); - return jumboMulTo(this, num, out); - }; - - // In-place Multiplication - BN.prototype.imul = function imul (num) { - return this.clone().mulTo(num, this); - }; - - BN.prototype.imuln = function imuln (num) { - var isNegNum = num < 0; - if (isNegNum) num = -num; - - assert(typeof num === 'number'); - assert(num < 0x4000000); - - // Carry - var carry = 0; - for (var i = 0; i < this.length; i++) { - var w = (this.words[i] | 0) * num; - var lo = (w & 0x3ffffff) + (carry & 0x3ffffff); - carry >>= 26; - carry += (w / 0x4000000) | 0; - // NOTE: lo is 27bit maximum - carry += lo >>> 26; - this.words[i] = lo & 0x3ffffff; - } - - if (carry !== 0) { - this.words[i] = carry; - this.length++; - } - - return isNegNum ? this.ineg() : this; - }; - - BN.prototype.muln = function muln (num) { - return this.clone().imuln(num); - }; - - // `this` * `this` - BN.prototype.sqr = function sqr () { - return this.mul(this); - }; - - // `this` * `this` in-place - BN.prototype.isqr = function isqr () { - return this.imul(this.clone()); - }; - - // Math.pow(`this`, `num`) - BN.prototype.pow = function pow (num) { - var w = toBitArray(num); - if (w.length === 0) return new BN(1); - - // Skip leading zeroes - var res = this; - for (var i = 0; i < w.length; i++, res = res.sqr()) { - if (w[i] !== 0) break; - } - - if (++i < w.length) { - for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) { - if (w[i] === 0) continue; - - res = res.mul(q); - } - } - - return res; - }; - - // Shift-left in-place - BN.prototype.iushln = function iushln (bits) { - assert(typeof bits === 'number' && bits >= 0); - var r = bits % 26; - var s = (bits - r) / 26; - var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r); - var i; - - if (r !== 0) { - var carry = 0; - - for (i = 0; i < this.length; i++) { - var newCarry = this.words[i] & carryMask; - var c = ((this.words[i] | 0) - newCarry) << r; - this.words[i] = c | carry; - carry = newCarry >>> (26 - r); - } - - if (carry) { - this.words[i] = carry; - this.length++; - } - } - - if (s !== 0) { - for (i = this.length - 1; i >= 0; i--) { - this.words[i + s] = this.words[i]; - } - - for (i = 0; i < s; i++) { - this.words[i] = 0; - } - - this.length += s; - } - - return this._strip(); - }; - - BN.prototype.ishln = function ishln (bits) { - // TODO(indutny): implement me - assert(this.negative === 0); - return this.iushln(bits); - }; - - // Shift-right in-place - // NOTE: `hint` is a lowest bit before trailing zeroes - // NOTE: if `extended` is present - it will be filled with destroyed bits - BN.prototype.iushrn = function iushrn (bits, hint, extended) { - assert(typeof bits === 'number' && bits >= 0); - var h; - if (hint) { - h = (hint - (hint % 26)) / 26; - } else { - h = 0; - } - - var r = bits % 26; - var s = Math.min((bits - r) / 26, this.length); - var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); - var maskedWords = extended; - - h -= s; - h = Math.max(0, h); - - // Extended mode, copy masked part - if (maskedWords) { - for (var i = 0; i < s; i++) { - maskedWords.words[i] = this.words[i]; - } - maskedWords.length = s; - } - - if (s === 0) { - // No-op, we should not move anything at all - } else if (this.length > s) { - this.length -= s; - for (i = 0; i < this.length; i++) { - this.words[i] = this.words[i + s]; - } - } else { - this.words[0] = 0; - this.length = 1; - } - - var carry = 0; - for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) { - var word = this.words[i] | 0; - this.words[i] = (carry << (26 - r)) | (word >>> r); - carry = word & mask; - } - - // Push carried bits as a mask - if (maskedWords && carry !== 0) { - maskedWords.words[maskedWords.length++] = carry; - } - - if (this.length === 0) { - this.words[0] = 0; - this.length = 1; - } - - return this._strip(); - }; - - BN.prototype.ishrn = function ishrn (bits, hint, extended) { - // TODO(indutny): implement me - assert(this.negative === 0); - return this.iushrn(bits, hint, extended); - }; - - // Shift-left - BN.prototype.shln = function shln (bits) { - return this.clone().ishln(bits); - }; - - BN.prototype.ushln = function ushln (bits) { - return this.clone().iushln(bits); - }; - - // Shift-right - BN.prototype.shrn = function shrn (bits) { - return this.clone().ishrn(bits); - }; - - BN.prototype.ushrn = function ushrn (bits) { - return this.clone().iushrn(bits); - }; - - // Test if n bit is set - BN.prototype.testn = function testn (bit) { - assert(typeof bit === 'number' && bit >= 0); - var r = bit % 26; - var s = (bit - r) / 26; - var q = 1 << r; - - // Fast case: bit is much higher than all existing words - if (this.length <= s) return false; - - // Check bit and return - var w = this.words[s]; - - return !!(w & q); - }; - - // Return only lowers bits of number (in-place) - BN.prototype.imaskn = function imaskn (bits) { - assert(typeof bits === 'number' && bits >= 0); - var r = bits % 26; - var s = (bits - r) / 26; - - assert(this.negative === 0, 'imaskn works only with positive numbers'); - - if (this.length <= s) { - return this; - } - - if (r !== 0) { - s++; - } - this.length = Math.min(s, this.length); - - if (r !== 0) { - var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); - this.words[this.length - 1] &= mask; - } - - return this._strip(); - }; - - // Return only lowers bits of number - BN.prototype.maskn = function maskn (bits) { - return this.clone().imaskn(bits); - }; - - // Add plain number `num` to `this` - BN.prototype.iaddn = function iaddn (num) { - assert(typeof num === 'number'); - assert(num < 0x4000000); - if (num < 0) return this.isubn(-num); - - // Possible sign change - if (this.negative !== 0) { - if (this.length === 1 && (this.words[0] | 0) <= num) { - this.words[0] = num - (this.words[0] | 0); - this.negative = 0; - return this; - } - - this.negative = 0; - this.isubn(num); - this.negative = 1; - return this; - } - - // Add without checks - return this._iaddn(num); - }; - - BN.prototype._iaddn = function _iaddn (num) { - this.words[0] += num; - - // Carry - for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) { - this.words[i] -= 0x4000000; - if (i === this.length - 1) { - this.words[i + 1] = 1; - } else { - this.words[i + 1]++; - } - } - this.length = Math.max(this.length, i + 1); - - return this; - }; - - // Subtract plain number `num` from `this` - BN.prototype.isubn = function isubn (num) { - assert(typeof num === 'number'); - assert(num < 0x4000000); - if (num < 0) return this.iaddn(-num); - - if (this.negative !== 0) { - this.negative = 0; - this.iaddn(num); - this.negative = 1; - return this; - } - - this.words[0] -= num; - - if (this.length === 1 && this.words[0] < 0) { - this.words[0] = -this.words[0]; - this.negative = 1; - } else { - // Carry - for (var i = 0; i < this.length && this.words[i] < 0; i++) { - this.words[i] += 0x4000000; - this.words[i + 1] -= 1; - } - } - - return this._strip(); - }; - - BN.prototype.addn = function addn (num) { - return this.clone().iaddn(num); - }; - - BN.prototype.subn = function subn (num) { - return this.clone().isubn(num); - }; - - BN.prototype.iabs = function iabs () { - this.negative = 0; - - return this; - }; - - BN.prototype.abs = function abs () { - return this.clone().iabs(); - }; - - BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) { - var len = num.length + shift; - var i; - - this._expand(len); - - var w; - var carry = 0; - for (i = 0; i < num.length; i++) { - w = (this.words[i + shift] | 0) + carry; - var right = (num.words[i] | 0) * mul; - w -= right & 0x3ffffff; - carry = (w >> 26) - ((right / 0x4000000) | 0); - this.words[i + shift] = w & 0x3ffffff; - } - for (; i < this.length - shift; i++) { - w = (this.words[i + shift] | 0) + carry; - carry = w >> 26; - this.words[i + shift] = w & 0x3ffffff; - } - - if (carry === 0) return this._strip(); - - // Subtraction overflow - assert(carry === -1); - carry = 0; - for (i = 0; i < this.length; i++) { - w = -(this.words[i] | 0) + carry; - carry = w >> 26; - this.words[i] = w & 0x3ffffff; - } - this.negative = 1; - - return this._strip(); - }; - - BN.prototype._wordDiv = function _wordDiv (num, mode) { - var shift = this.length - num.length; - - var a = this.clone(); - var b = num; - - // Normalize - var bhi = b.words[b.length - 1] | 0; - var bhiBits = this._countBits(bhi); - shift = 26 - bhiBits; - if (shift !== 0) { - b = b.ushln(shift); - a.iushln(shift); - bhi = b.words[b.length - 1] | 0; - } - - // Initialize quotient - var m = a.length - b.length; - var q; - - if (mode !== 'mod') { - q = new BN(null); - q.length = m + 1; - q.words = new Array(q.length); - for (var i = 0; i < q.length; i++) { - q.words[i] = 0; - } - } - - var diff = a.clone()._ishlnsubmul(b, 1, m); - if (diff.negative === 0) { - a = diff; - if (q) { - q.words[m] = 1; - } - } - - for (var j = m - 1; j >= 0; j--) { - var qj = (a.words[b.length + j] | 0) * 0x4000000 + - (a.words[b.length + j - 1] | 0); - - // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max - // (0x7ffffff) - qj = Math.min((qj / bhi) | 0, 0x3ffffff); - - a._ishlnsubmul(b, qj, j); - while (a.negative !== 0) { - qj--; - a.negative = 0; - a._ishlnsubmul(b, 1, j); - if (!a.isZero()) { - a.negative ^= 1; - } - } - if (q) { - q.words[j] = qj; - } - } - if (q) { - q._strip(); - } - a._strip(); - - // Denormalize - if (mode !== 'div' && shift !== 0) { - a.iushrn(shift); - } - - return { - div: q || null, - mod: a - }; - }; - - // NOTE: 1) `mode` can be set to `mod` to request mod only, - // to `div` to request div only, or be absent to - // request both div & mod - // 2) `positive` is true if unsigned mod is requested - BN.prototype.divmod = function divmod (num, mode, positive) { - assert(!num.isZero()); - - if (this.isZero()) { - return { - div: new BN(0), - mod: new BN(0) - }; - } - - var div, mod, res; - if (this.negative !== 0 && num.negative === 0) { - res = this.neg().divmod(num, mode); - - if (mode !== 'mod') { - div = res.div.neg(); - } - - if (mode !== 'div') { - mod = res.mod.neg(); - if (positive && mod.negative !== 0) { - mod.iadd(num); - } - } - - return { - div: div, - mod: mod - }; - } - - if (this.negative === 0 && num.negative !== 0) { - res = this.divmod(num.neg(), mode); - - if (mode !== 'mod') { - div = res.div.neg(); - } - - return { - div: div, - mod: res.mod - }; - } - - if ((this.negative & num.negative) !== 0) { - res = this.neg().divmod(num.neg(), mode); - - if (mode !== 'div') { - mod = res.mod.neg(); - if (positive && mod.negative !== 0) { - mod.isub(num); - } - } - - return { - div: res.div, - mod: mod - }; - } - - // Both numbers are positive at this point - - // Strip both numbers to approximate shift value - if (num.length > this.length || this.cmp(num) < 0) { - return { - div: new BN(0), - mod: this - }; - } - - // Very short reduction - if (num.length === 1) { - if (mode === 'div') { - return { - div: this.divn(num.words[0]), - mod: null - }; - } - - if (mode === 'mod') { - return { - div: null, - mod: new BN(this.modrn(num.words[0])) - }; - } - - return { - div: this.divn(num.words[0]), - mod: new BN(this.modrn(num.words[0])) - }; - } - - return this._wordDiv(num, mode); - }; - - // Find `this` / `num` - BN.prototype.div = function div (num) { - return this.divmod(num, 'div', false).div; - }; - - // Find `this` % `num` - BN.prototype.mod = function mod (num) { - return this.divmod(num, 'mod', false).mod; - }; - - BN.prototype.umod = function umod (num) { - return this.divmod(num, 'mod', true).mod; - }; - - // Find Round(`this` / `num`) - BN.prototype.divRound = function divRound (num) { - var dm = this.divmod(num); - - // Fast case - exact division - if (dm.mod.isZero()) return dm.div; - - var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod; - - var half = num.ushrn(1); - var r2 = num.andln(1); - var cmp = mod.cmp(half); - - // Round down - if (cmp < 0 || (r2 === 1 && cmp === 0)) return dm.div; - - // Round up - return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1); - }; - - BN.prototype.modrn = function modrn (num) { - var isNegNum = num < 0; - if (isNegNum) num = -num; - - assert(num <= 0x3ffffff); - var p = (1 << 26) % num; - - var acc = 0; - for (var i = this.length - 1; i >= 0; i--) { - acc = (p * acc + (this.words[i] | 0)) % num; - } - - return isNegNum ? -acc : acc; - }; - - // WARNING: DEPRECATED - BN.prototype.modn = function modn (num) { - return this.modrn(num); - }; - - // In-place division by number - BN.prototype.idivn = function idivn (num) { - var isNegNum = num < 0; - if (isNegNum) num = -num; - - assert(num <= 0x3ffffff); - - var carry = 0; - for (var i = this.length - 1; i >= 0; i--) { - var w = (this.words[i] | 0) + carry * 0x4000000; - this.words[i] = (w / num) | 0; - carry = w % num; - } - - this._strip(); - return isNegNum ? this.ineg() : this; - }; - - BN.prototype.divn = function divn (num) { - return this.clone().idivn(num); - }; - - BN.prototype.egcd = function egcd (p) { - assert(p.negative === 0); - assert(!p.isZero()); - - var x = this; - var y = p.clone(); - - if (x.negative !== 0) { - x = x.umod(p); - } else { - x = x.clone(); - } - - // A * x + B * y = x - var A = new BN(1); - var B = new BN(0); - - // C * x + D * y = y - var C = new BN(0); - var D = new BN(1); - - var g = 0; - - while (x.isEven() && y.isEven()) { - x.iushrn(1); - y.iushrn(1); - ++g; - } - - var yp = y.clone(); - var xp = x.clone(); - - while (!x.isZero()) { - for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1); - if (i > 0) { - x.iushrn(i); - while (i-- > 0) { - if (A.isOdd() || B.isOdd()) { - A.iadd(yp); - B.isub(xp); - } - - A.iushrn(1); - B.iushrn(1); - } - } - - for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); - if (j > 0) { - y.iushrn(j); - while (j-- > 0) { - if (C.isOdd() || D.isOdd()) { - C.iadd(yp); - D.isub(xp); - } - - C.iushrn(1); - D.iushrn(1); - } - } - - if (x.cmp(y) >= 0) { - x.isub(y); - A.isub(C); - B.isub(D); - } else { - y.isub(x); - C.isub(A); - D.isub(B); - } - } - - return { - a: C, - b: D, - gcd: y.iushln(g) - }; - }; - - // This is reduced incarnation of the binary EEA - // above, designated to invert members of the - // _prime_ fields F(p) at a maximal speed - BN.prototype._invmp = function _invmp (p) { - assert(p.negative === 0); - assert(!p.isZero()); - - var a = this; - var b = p.clone(); - - if (a.negative !== 0) { - a = a.umod(p); - } else { - a = a.clone(); - } - - var x1 = new BN(1); - var x2 = new BN(0); - - var delta = b.clone(); - - while (a.cmpn(1) > 0 && b.cmpn(1) > 0) { - for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1); - if (i > 0) { - a.iushrn(i); - while (i-- > 0) { - if (x1.isOdd()) { - x1.iadd(delta); - } - - x1.iushrn(1); - } - } - - for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); - if (j > 0) { - b.iushrn(j); - while (j-- > 0) { - if (x2.isOdd()) { - x2.iadd(delta); - } - - x2.iushrn(1); - } - } - - if (a.cmp(b) >= 0) { - a.isub(b); - x1.isub(x2); - } else { - b.isub(a); - x2.isub(x1); - } - } - - var res; - if (a.cmpn(1) === 0) { - res = x1; - } else { - res = x2; - } - - if (res.cmpn(0) < 0) { - res.iadd(p); - } - - return res; - }; - - BN.prototype.gcd = function gcd (num) { - if (this.isZero()) return num.abs(); - if (num.isZero()) return this.abs(); - - var a = this.clone(); - var b = num.clone(); - a.negative = 0; - b.negative = 0; - - // Remove common factor of two - for (var shift = 0; a.isEven() && b.isEven(); shift++) { - a.iushrn(1); - b.iushrn(1); - } - - do { - while (a.isEven()) { - a.iushrn(1); - } - while (b.isEven()) { - b.iushrn(1); - } - - var r = a.cmp(b); - if (r < 0) { - // Swap `a` and `b` to make `a` always bigger than `b` - var t = a; - a = b; - b = t; - } else if (r === 0 || b.cmpn(1) === 0) { - break; - } - - a.isub(b); - } while (true); - - return b.iushln(shift); - }; - - // Invert number in the field F(num) - BN.prototype.invm = function invm (num) { - return this.egcd(num).a.umod(num); - }; - - BN.prototype.isEven = function isEven () { - return (this.words[0] & 1) === 0; - }; - - BN.prototype.isOdd = function isOdd () { - return (this.words[0] & 1) === 1; - }; - - // And first word and num - BN.prototype.andln = function andln (num) { - return this.words[0] & num; - }; - - // Increment at the bit position in-line - BN.prototype.bincn = function bincn (bit) { - assert(typeof bit === 'number'); - var r = bit % 26; - var s = (bit - r) / 26; - var q = 1 << r; - - // Fast case: bit is much higher than all existing words - if (this.length <= s) { - this._expand(s + 1); - this.words[s] |= q; - return this; - } - - // Add bit and propagate, if needed - var carry = q; - for (var i = s; carry !== 0 && i < this.length; i++) { - var w = this.words[i] | 0; - w += carry; - carry = w >>> 26; - w &= 0x3ffffff; - this.words[i] = w; - } - if (carry !== 0) { - this.words[i] = carry; - this.length++; - } - return this; - }; - - BN.prototype.isZero = function isZero () { - return this.length === 1 && this.words[0] === 0; - }; - - BN.prototype.cmpn = function cmpn (num) { - var negative = num < 0; - - if (this.negative !== 0 && !negative) return -1; - if (this.negative === 0 && negative) return 1; - - this._strip(); - - var res; - if (this.length > 1) { - res = 1; - } else { - if (negative) { - num = -num; - } - - assert(num <= 0x3ffffff, 'Number is too big'); - - var w = this.words[0] | 0; - res = w === num ? 0 : w < num ? -1 : 1; - } - if (this.negative !== 0) return -res | 0; - return res; - }; - - // Compare two numbers and return: - // 1 - if `this` > `num` - // 0 - if `this` == `num` - // -1 - if `this` < `num` - BN.prototype.cmp = function cmp (num) { - if (this.negative !== 0 && num.negative === 0) return -1; - if (this.negative === 0 && num.negative !== 0) return 1; - - var res = this.ucmp(num); - if (this.negative !== 0) return -res | 0; - return res; - }; - - // Unsigned comparison - BN.prototype.ucmp = function ucmp (num) { - // At this point both numbers have the same sign - if (this.length > num.length) return 1; - if (this.length < num.length) return -1; - - var res = 0; - for (var i = this.length - 1; i >= 0; i--) { - var a = this.words[i] | 0; - var b = num.words[i] | 0; - - if (a === b) continue; - if (a < b) { - res = -1; - } else if (a > b) { - res = 1; - } - break; - } - return res; - }; - - BN.prototype.gtn = function gtn (num) { - return this.cmpn(num) === 1; - }; - - BN.prototype.gt = function gt (num) { - return this.cmp(num) === 1; - }; - - BN.prototype.gten = function gten (num) { - return this.cmpn(num) >= 0; - }; - - BN.prototype.gte = function gte (num) { - return this.cmp(num) >= 0; - }; - - BN.prototype.ltn = function ltn (num) { - return this.cmpn(num) === -1; - }; - - BN.prototype.lt = function lt (num) { - return this.cmp(num) === -1; - }; - - BN.prototype.lten = function lten (num) { - return this.cmpn(num) <= 0; - }; - - BN.prototype.lte = function lte (num) { - return this.cmp(num) <= 0; - }; - - BN.prototype.eqn = function eqn (num) { - return this.cmpn(num) === 0; - }; - - BN.prototype.eq = function eq (num) { - return this.cmp(num) === 0; - }; - - // - // A reduce context, could be using montgomery or something better, depending - // on the `m` itself. - // - BN.red = function red (num) { - return new Red(num); - }; - - BN.prototype.toRed = function toRed (ctx) { - assert(!this.red, 'Already a number in reduction context'); - assert(this.negative === 0, 'red works only with positives'); - return ctx.convertTo(this)._forceRed(ctx); - }; - - BN.prototype.fromRed = function fromRed () { - assert(this.red, 'fromRed works only with numbers in reduction context'); - return this.red.convertFrom(this); - }; - - BN.prototype._forceRed = function _forceRed (ctx) { - this.red = ctx; - return this; - }; - - BN.prototype.forceRed = function forceRed (ctx) { - assert(!this.red, 'Already a number in reduction context'); - return this._forceRed(ctx); - }; - - BN.prototype.redAdd = function redAdd (num) { - assert(this.red, 'redAdd works only with red numbers'); - return this.red.add(this, num); - }; - - BN.prototype.redIAdd = function redIAdd (num) { - assert(this.red, 'redIAdd works only with red numbers'); - return this.red.iadd(this, num); - }; - - BN.prototype.redSub = function redSub (num) { - assert(this.red, 'redSub works only with red numbers'); - return this.red.sub(this, num); - }; - - BN.prototype.redISub = function redISub (num) { - assert(this.red, 'redISub works only with red numbers'); - return this.red.isub(this, num); - }; - - BN.prototype.redShl = function redShl (num) { - assert(this.red, 'redShl works only with red numbers'); - return this.red.shl(this, num); - }; - - BN.prototype.redMul = function redMul (num) { - assert(this.red, 'redMul works only with red numbers'); - this.red._verify2(this, num); - return this.red.mul(this, num); - }; - - BN.prototype.redIMul = function redIMul (num) { - assert(this.red, 'redMul works only with red numbers'); - this.red._verify2(this, num); - return this.red.imul(this, num); - }; - - BN.prototype.redSqr = function redSqr () { - assert(this.red, 'redSqr works only with red numbers'); - this.red._verify1(this); - return this.red.sqr(this); - }; - - BN.prototype.redISqr = function redISqr () { - assert(this.red, 'redISqr works only with red numbers'); - this.red._verify1(this); - return this.red.isqr(this); - }; - - // Square root over p - BN.prototype.redSqrt = function redSqrt () { - assert(this.red, 'redSqrt works only with red numbers'); - this.red._verify1(this); - return this.red.sqrt(this); - }; - - BN.prototype.redInvm = function redInvm () { - assert(this.red, 'redInvm works only with red numbers'); - this.red._verify1(this); - return this.red.invm(this); - }; - - // Return negative clone of `this` % `red modulo` - BN.prototype.redNeg = function redNeg () { - assert(this.red, 'redNeg works only with red numbers'); - this.red._verify1(this); - return this.red.neg(this); - }; - - BN.prototype.redPow = function redPow (num) { - assert(this.red && !num.red, 'redPow(normalNum)'); - this.red._verify1(this); - return this.red.pow(this, num); - }; - - // Prime numbers with efficient reduction - var primes = { - k256: null, - p224: null, - p192: null, - p25519: null - }; - - // Pseudo-Mersenne prime - function MPrime (name, p) { - // P = 2 ^ N - K - this.name = name; - this.p = new BN(p, 16); - this.n = this.p.bitLength(); - this.k = new BN(1).iushln(this.n).isub(this.p); - - this.tmp = this._tmp(); - } - - MPrime.prototype._tmp = function _tmp () { - var tmp = new BN(null); - tmp.words = new Array(Math.ceil(this.n / 13)); - return tmp; - }; - - MPrime.prototype.ireduce = function ireduce (num) { - // Assumes that `num` is less than `P^2` - // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P) - var r = num; - var rlen; - - do { - this.split(r, this.tmp); - r = this.imulK(r); - r = r.iadd(this.tmp); - rlen = r.bitLength(); - } while (rlen > this.n); - - var cmp = rlen < this.n ? -1 : r.ucmp(this.p); - if (cmp === 0) { - r.words[0] = 0; - r.length = 1; - } else if (cmp > 0) { - r.isub(this.p); - } else { - if (r.strip !== undefined) { - // r is a BN v4 instance - r.strip(); - } else { - // r is a BN v5 instance - r._strip(); - } - } - - return r; - }; - - MPrime.prototype.split = function split (input, out) { - input.iushrn(this.n, 0, out); - }; - - MPrime.prototype.imulK = function imulK (num) { - return num.imul(this.k); - }; - - function K256 () { - MPrime.call( - this, - 'k256', - 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f'); - } - inherits(K256, MPrime); - - K256.prototype.split = function split (input, output) { - // 256 = 9 * 26 + 22 - var mask = 0x3fffff; - - var outLen = Math.min(input.length, 9); - for (var i = 0; i < outLen; i++) { - output.words[i] = input.words[i]; - } - output.length = outLen; - - if (input.length <= 9) { - input.words[0] = 0; - input.length = 1; - return; - } - - // Shift by 9 limbs - var prev = input.words[9]; - output.words[output.length++] = prev & mask; - - for (i = 10; i < input.length; i++) { - var next = input.words[i] | 0; - input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22); - prev = next; - } - prev >>>= 22; - input.words[i - 10] = prev; - if (prev === 0 && input.length > 10) { - input.length -= 10; - } else { - input.length -= 9; - } - }; - - K256.prototype.imulK = function imulK (num) { - // K = 0x1000003d1 = [ 0x40, 0x3d1 ] - num.words[num.length] = 0; - num.words[num.length + 1] = 0; - num.length += 2; - - // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390 - var lo = 0; - for (var i = 0; i < num.length; i++) { - var w = num.words[i] | 0; - lo += w * 0x3d1; - num.words[i] = lo & 0x3ffffff; - lo = w * 0x40 + ((lo / 0x4000000) | 0); - } - - // Fast length reduction - if (num.words[num.length - 1] === 0) { - num.length--; - if (num.words[num.length - 1] === 0) { - num.length--; - } - } - return num; - }; - - function P224 () { - MPrime.call( - this, - 'p224', - 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001'); - } - inherits(P224, MPrime); - - function P192 () { - MPrime.call( - this, - 'p192', - 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff'); - } - inherits(P192, MPrime); - - function P25519 () { - // 2 ^ 255 - 19 - MPrime.call( - this, - '25519', - '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed'); - } - inherits(P25519, MPrime); - - P25519.prototype.imulK = function imulK (num) { - // K = 0x13 - var carry = 0; - for (var i = 0; i < num.length; i++) { - var hi = (num.words[i] | 0) * 0x13 + carry; - var lo = hi & 0x3ffffff; - hi >>>= 26; - - num.words[i] = lo; - carry = hi; - } - if (carry !== 0) { - num.words[num.length++] = carry; - } - return num; - }; - - // Exported mostly for testing purposes, use plain name instead - BN._prime = function prime (name) { - // Cached version of prime - if (primes[name]) return primes[name]; - - var prime; - if (name === 'k256') { - prime = new K256(); - } else if (name === 'p224') { - prime = new P224(); - } else if (name === 'p192') { - prime = new P192(); - } else if (name === 'p25519') { - prime = new P25519(); - } else { - throw new Error('Unknown prime ' + name); - } - primes[name] = prime; - - return prime; - }; - - // - // Base reduction engine - // - function Red (m) { - if (typeof m === 'string') { - var prime = BN._prime(m); - this.m = prime.p; - this.prime = prime; - } else { - assert(m.gtn(1), 'modulus must be greater than 1'); - this.m = m; - this.prime = null; - } - } - - Red.prototype._verify1 = function _verify1 (a) { - assert(a.negative === 0, 'red works only with positives'); - assert(a.red, 'red works only with red numbers'); - }; - - Red.prototype._verify2 = function _verify2 (a, b) { - assert((a.negative | b.negative) === 0, 'red works only with positives'); - assert(a.red && a.red === b.red, - 'red works only with red numbers'); - }; - - Red.prototype.imod = function imod (a) { - if (this.prime) return this.prime.ireduce(a)._forceRed(this); - - move(a, a.umod(this.m)._forceRed(this)); - return a; - }; - - Red.prototype.neg = function neg (a) { - if (a.isZero()) { - return a.clone(); - } - - return this.m.sub(a)._forceRed(this); - }; - - Red.prototype.add = function add (a, b) { - this._verify2(a, b); - - var res = a.add(b); - if (res.cmp(this.m) >= 0) { - res.isub(this.m); - } - return res._forceRed(this); - }; - - Red.prototype.iadd = function iadd (a, b) { - this._verify2(a, b); - - var res = a.iadd(b); - if (res.cmp(this.m) >= 0) { - res.isub(this.m); - } - return res; - }; - - Red.prototype.sub = function sub (a, b) { - this._verify2(a, b); - - var res = a.sub(b); - if (res.cmpn(0) < 0) { - res.iadd(this.m); - } - return res._forceRed(this); - }; - - Red.prototype.isub = function isub (a, b) { - this._verify2(a, b); - - var res = a.isub(b); - if (res.cmpn(0) < 0) { - res.iadd(this.m); - } - return res; - }; - - Red.prototype.shl = function shl (a, num) { - this._verify1(a); - return this.imod(a.ushln(num)); - }; - - Red.prototype.imul = function imul (a, b) { - this._verify2(a, b); - return this.imod(a.imul(b)); - }; - - Red.prototype.mul = function mul (a, b) { - this._verify2(a, b); - return this.imod(a.mul(b)); - }; - - Red.prototype.isqr = function isqr (a) { - return this.imul(a, a.clone()); - }; - - Red.prototype.sqr = function sqr (a) { - return this.mul(a, a); - }; - - Red.prototype.sqrt = function sqrt (a) { - if (a.isZero()) return a.clone(); - - var mod3 = this.m.andln(3); - assert(mod3 % 2 === 1); - - // Fast case - if (mod3 === 3) { - var pow = this.m.add(new BN(1)).iushrn(2); - return this.pow(a, pow); - } - - // Tonelli-Shanks algorithm (Totally unoptimized and slow) - // - // Find Q and S, that Q * 2 ^ S = (P - 1) - var q = this.m.subn(1); - var s = 0; - while (!q.isZero() && q.andln(1) === 0) { - s++; - q.iushrn(1); - } - assert(!q.isZero()); - - var one = new BN(1).toRed(this); - var nOne = one.redNeg(); - - // Find quadratic non-residue - // NOTE: Max is such because of generalized Riemann hypothesis. - var lpow = this.m.subn(1).iushrn(1); - var z = this.m.bitLength(); - z = new BN(2 * z * z).toRed(this); - - while (this.pow(z, lpow).cmp(nOne) !== 0) { - z.redIAdd(nOne); - } - - var c = this.pow(z, q); - var r = this.pow(a, q.addn(1).iushrn(1)); - var t = this.pow(a, q); - var m = s; - while (t.cmp(one) !== 0) { - var tmp = t; - for (var i = 0; tmp.cmp(one) !== 0; i++) { - tmp = tmp.redSqr(); - } - assert(i < m); - var b = this.pow(c, new BN(1).iushln(m - i - 1)); - - r = r.redMul(b); - c = b.redSqr(); - t = t.redMul(c); - m = i; - } - - return r; - }; - - Red.prototype.invm = function invm (a) { - var inv = a._invmp(this.m); - if (inv.negative !== 0) { - inv.negative = 0; - return this.imod(inv).redNeg(); - } else { - return this.imod(inv); - } - }; - - Red.prototype.pow = function pow (a, num) { - if (num.isZero()) return new BN(1).toRed(this); - if (num.cmpn(1) === 0) return a.clone(); - - var windowSize = 4; - var wnd = new Array(1 << windowSize); - wnd[0] = new BN(1).toRed(this); - wnd[1] = a; - for (var i = 2; i < wnd.length; i++) { - wnd[i] = this.mul(wnd[i - 1], a); - } - - var res = wnd[0]; - var current = 0; - var currentLen = 0; - var start = num.bitLength() % 26; - if (start === 0) { - start = 26; - } - - for (i = num.length - 1; i >= 0; i--) { - var word = num.words[i]; - for (var j = start - 1; j >= 0; j--) { - var bit = (word >> j) & 1; - if (res !== wnd[0]) { - res = this.sqr(res); - } - - if (bit === 0 && current === 0) { - currentLen = 0; - continue; - } - - current <<= 1; - current |= bit; - currentLen++; - if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue; - - res = this.mul(res, wnd[current]); - currentLen = 0; - current = 0; - } - start = 26; - } - - return res; - }; - - Red.prototype.convertTo = function convertTo (num) { - var r = num.umod(this.m); - - return r === num ? r.clone() : r; - }; - - Red.prototype.convertFrom = function convertFrom (num) { - var res = num.clone(); - res.red = null; - return res; - }; - - // - // Montgomery method engine - // - - BN.mont = function mont (num) { - return new Mont(num); - }; - - function Mont (m) { - Red.call(this, m); - - this.shift = this.m.bitLength(); - if (this.shift % 26 !== 0) { - this.shift += 26 - (this.shift % 26); - } - - this.r = new BN(1).iushln(this.shift); - this.r2 = this.imod(this.r.sqr()); - this.rinv = this.r._invmp(this.m); - - this.minv = this.rinv.mul(this.r).isubn(1).div(this.m); - this.minv = this.minv.umod(this.r); - this.minv = this.r.sub(this.minv); - } - inherits(Mont, Red); - - Mont.prototype.convertTo = function convertTo (num) { - return this.imod(num.ushln(this.shift)); - }; - - Mont.prototype.convertFrom = function convertFrom (num) { - var r = this.imod(num.mul(this.rinv)); - r.red = null; - return r; - }; - - Mont.prototype.imul = function imul (a, b) { - if (a.isZero() || b.isZero()) { - a.words[0] = 0; - a.length = 1; - return a; - } - - var t = a.imul(b); - var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); - var u = t.isub(c).iushrn(this.shift); - var res = u; - - if (u.cmp(this.m) >= 0) { - res = u.isub(this.m); - } else if (u.cmpn(0) < 0) { - res = u.iadd(this.m); - } - - return res._forceRed(this); - }; - - Mont.prototype.mul = function mul (a, b) { - if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this); - - var t = a.mul(b); - var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); - var u = t.isub(c).iushrn(this.shift); - var res = u; - if (u.cmp(this.m) >= 0) { - res = u.isub(this.m); - } else if (u.cmpn(0) < 0) { - res = u.iadd(this.m); - } - - return res._forceRed(this); - }; - - Mont.prototype.invm = function invm (a) { - // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R - var res = this.imod(a._invmp(this.m).mul(this.r2)); - return res._forceRed(this); - }; -})(typeof module === 'undefined' || module, this); - -},{"buffer":67}],66:[function(require,module,exports){ -var r; - -module.exports = function rand(len) { - if (!r) - r = new Rand(null); - - return r.generate(len); -}; - -function Rand(rand) { - this.rand = rand; -} -module.exports.Rand = Rand; - -Rand.prototype.generate = function generate(len) { - return this._rand(len); -}; - -// Emulate crypto API using randy -Rand.prototype._rand = function _rand(n) { - if (this.rand.getBytes) - return this.rand.getBytes(n); - - var res = new Uint8Array(n); - for (var i = 0; i < res.length; i++) - res[i] = this.rand.getByte(); - return res; -}; - -if (typeof self === 'object') { - if (self.crypto && self.crypto.getRandomValues) { - // Modern browsers - Rand.prototype._rand = function _rand(n) { - var arr = new Uint8Array(n); - self.crypto.getRandomValues(arr); - return arr; - }; - } else if (self.msCrypto && self.msCrypto.getRandomValues) { - // IE - Rand.prototype._rand = function _rand(n) { - var arr = new Uint8Array(n); - self.msCrypto.getRandomValues(arr); - return arr; - }; - - // Safari's WebWorkers do not have `crypto` - } else if (typeof window === 'object') { - // Old junk - Rand.prototype._rand = function() { - throw new Error('Not implemented yet'); - }; - } -} else { - // Node.js or Web worker with no crypto support - try { - var crypto = require('crypto'); - if (typeof crypto.randomBytes !== 'function') - throw new Error('Not supported'); - - Rand.prototype._rand = function _rand(n) { - return crypto.randomBytes(n); - }; - } catch (e) { - } -} - -},{"crypto":67}],67:[function(require,module,exports){ - -},{}],68:[function(require,module,exports){ -// based on the aes implimentation in triple sec -// https://github.com/keybase/triplesec -// which is in turn based on the one from crypto-js -// https://code.google.com/p/crypto-js/ - -var Buffer = require('safe-buffer').Buffer - -function asUInt32Array (buf) { - if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf) - - var len = (buf.length / 4) | 0 - var out = new Array(len) - - for (var i = 0; i < len; i++) { - out[i] = buf.readUInt32BE(i * 4) - } - - return out -} - -function scrubVec (v) { - for (var i = 0; i < v.length; v++) { - v[i] = 0 - } -} - -function cryptBlock (M, keySchedule, SUB_MIX, SBOX, nRounds) { - var SUB_MIX0 = SUB_MIX[0] - var SUB_MIX1 = SUB_MIX[1] - var SUB_MIX2 = SUB_MIX[2] - var SUB_MIX3 = SUB_MIX[3] - - var s0 = M[0] ^ keySchedule[0] - var s1 = M[1] ^ keySchedule[1] - var s2 = M[2] ^ keySchedule[2] - var s3 = M[3] ^ keySchedule[3] - var t0, t1, t2, t3 - var ksRow = 4 - - for (var round = 1; round < nRounds; round++) { - t0 = SUB_MIX0[s0 >>> 24] ^ SUB_MIX1[(s1 >>> 16) & 0xff] ^ SUB_MIX2[(s2 >>> 8) & 0xff] ^ SUB_MIX3[s3 & 0xff] ^ keySchedule[ksRow++] - t1 = SUB_MIX0[s1 >>> 24] ^ SUB_MIX1[(s2 >>> 16) & 0xff] ^ SUB_MIX2[(s3 >>> 8) & 0xff] ^ SUB_MIX3[s0 & 0xff] ^ keySchedule[ksRow++] - t2 = SUB_MIX0[s2 >>> 24] ^ SUB_MIX1[(s3 >>> 16) & 0xff] ^ SUB_MIX2[(s0 >>> 8) & 0xff] ^ SUB_MIX3[s1 & 0xff] ^ keySchedule[ksRow++] - t3 = SUB_MIX0[s3 >>> 24] ^ SUB_MIX1[(s0 >>> 16) & 0xff] ^ SUB_MIX2[(s1 >>> 8) & 0xff] ^ SUB_MIX3[s2 & 0xff] ^ keySchedule[ksRow++] - s0 = t0 - s1 = t1 - s2 = t2 - s3 = t3 - } - - t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++] - t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++] - t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++] - t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++] - t0 = t0 >>> 0 - t1 = t1 >>> 0 - t2 = t2 >>> 0 - t3 = t3 >>> 0 - - return [t0, t1, t2, t3] -} - -// AES constants -var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36] -var G = (function () { - // Compute double table - var d = new Array(256) - for (var j = 0; j < 256; j++) { - if (j < 128) { - d[j] = j << 1 - } else { - d[j] = (j << 1) ^ 0x11b - } - } - - var SBOX = [] - var INV_SBOX = [] - var SUB_MIX = [[], [], [], []] - var INV_SUB_MIX = [[], [], [], []] - - // Walk GF(2^8) - var x = 0 - var xi = 0 - for (var i = 0; i < 256; ++i) { - // Compute sbox - var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4) - sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63 - SBOX[x] = sx - INV_SBOX[sx] = x - - // Compute multiplication - var x2 = d[x] - var x4 = d[x2] - var x8 = d[x4] - - // Compute sub bytes, mix columns tables - var t = (d[sx] * 0x101) ^ (sx * 0x1010100) - SUB_MIX[0][x] = (t << 24) | (t >>> 8) - SUB_MIX[1][x] = (t << 16) | (t >>> 16) - SUB_MIX[2][x] = (t << 8) | (t >>> 24) - SUB_MIX[3][x] = t - - // Compute inv sub bytes, inv mix columns tables - t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100) - INV_SUB_MIX[0][sx] = (t << 24) | (t >>> 8) - INV_SUB_MIX[1][sx] = (t << 16) | (t >>> 16) - INV_SUB_MIX[2][sx] = (t << 8) | (t >>> 24) - INV_SUB_MIX[3][sx] = t - - if (x === 0) { - x = xi = 1 - } else { - x = x2 ^ d[d[d[x8 ^ x2]]] - xi ^= d[d[xi]] - } - } - - return { - SBOX: SBOX, - INV_SBOX: INV_SBOX, - SUB_MIX: SUB_MIX, - INV_SUB_MIX: INV_SUB_MIX - } -})() - -function AES (key) { - this._key = asUInt32Array(key) - this._reset() -} - -AES.blockSize = 4 * 4 -AES.keySize = 256 / 8 -AES.prototype.blockSize = AES.blockSize -AES.prototype.keySize = AES.keySize -AES.prototype._reset = function () { - var keyWords = this._key - var keySize = keyWords.length - var nRounds = keySize + 6 - var ksRows = (nRounds + 1) * 4 - - var keySchedule = [] - for (var k = 0; k < keySize; k++) { - keySchedule[k] = keyWords[k] - } - - for (k = keySize; k < ksRows; k++) { - var t = keySchedule[k - 1] - - if (k % keySize === 0) { - t = (t << 8) | (t >>> 24) - t = - (G.SBOX[t >>> 24] << 24) | - (G.SBOX[(t >>> 16) & 0xff] << 16) | - (G.SBOX[(t >>> 8) & 0xff] << 8) | - (G.SBOX[t & 0xff]) - - t ^= RCON[(k / keySize) | 0] << 24 - } else if (keySize > 6 && k % keySize === 4) { - t = - (G.SBOX[t >>> 24] << 24) | - (G.SBOX[(t >>> 16) & 0xff] << 16) | - (G.SBOX[(t >>> 8) & 0xff] << 8) | - (G.SBOX[t & 0xff]) - } - - keySchedule[k] = keySchedule[k - keySize] ^ t - } - - var invKeySchedule = [] - for (var ik = 0; ik < ksRows; ik++) { - var ksR = ksRows - ik - var tt = keySchedule[ksR - (ik % 4 ? 0 : 4)] - - if (ik < 4 || ksR <= 4) { - invKeySchedule[ik] = tt - } else { - invKeySchedule[ik] = - G.INV_SUB_MIX[0][G.SBOX[tt >>> 24]] ^ - G.INV_SUB_MIX[1][G.SBOX[(tt >>> 16) & 0xff]] ^ - G.INV_SUB_MIX[2][G.SBOX[(tt >>> 8) & 0xff]] ^ - G.INV_SUB_MIX[3][G.SBOX[tt & 0xff]] - } - } - - this._nRounds = nRounds - this._keySchedule = keySchedule - this._invKeySchedule = invKeySchedule -} - -AES.prototype.encryptBlockRaw = function (M) { - M = asUInt32Array(M) - return cryptBlock(M, this._keySchedule, G.SUB_MIX, G.SBOX, this._nRounds) -} - -AES.prototype.encryptBlock = function (M) { - var out = this.encryptBlockRaw(M) - var buf = Buffer.allocUnsafe(16) - buf.writeUInt32BE(out[0], 0) - buf.writeUInt32BE(out[1], 4) - buf.writeUInt32BE(out[2], 8) - buf.writeUInt32BE(out[3], 12) - return buf -} - -AES.prototype.decryptBlock = function (M) { - M = asUInt32Array(M) - - // swap - var m1 = M[1] - M[1] = M[3] - M[3] = m1 - - var out = cryptBlock(M, this._invKeySchedule, G.INV_SUB_MIX, G.INV_SBOX, this._nRounds) - var buf = Buffer.allocUnsafe(16) - buf.writeUInt32BE(out[0], 0) - buf.writeUInt32BE(out[3], 4) - buf.writeUInt32BE(out[2], 8) - buf.writeUInt32BE(out[1], 12) - return buf -} - -AES.prototype.scrub = function () { - scrubVec(this._keySchedule) - scrubVec(this._invKeySchedule) - scrubVec(this._key) -} - -module.exports.AES = AES - -},{"safe-buffer":356}],69:[function(require,module,exports){ -var aes = require('./aes') -var Buffer = require('safe-buffer').Buffer -var Transform = require('cipher-base') -var inherits = require('inherits') -var GHASH = require('./ghash') -var xor = require('buffer-xor') -var incr32 = require('./incr32') - -function xorTest (a, b) { - var out = 0 - if (a.length !== b.length) out++ - - var len = Math.min(a.length, b.length) - for (var i = 0; i < len; ++i) { - out += (a[i] ^ b[i]) - } - - return out -} - -function calcIv (self, iv, ck) { - if (iv.length === 12) { - self._finID = Buffer.concat([iv, Buffer.from([0, 0, 0, 1])]) - return Buffer.concat([iv, Buffer.from([0, 0, 0, 2])]) - } - var ghash = new GHASH(ck) - var len = iv.length - var toPad = len % 16 - ghash.update(iv) - if (toPad) { - toPad = 16 - toPad - ghash.update(Buffer.alloc(toPad, 0)) - } - ghash.update(Buffer.alloc(8, 0)) - var ivBits = len * 8 - var tail = Buffer.alloc(8) - tail.writeUIntBE(ivBits, 0, 8) - ghash.update(tail) - self._finID = ghash.state - var out = Buffer.from(self._finID) - incr32(out) - return out -} -function StreamCipher (mode, key, iv, decrypt) { - Transform.call(this) - - var h = Buffer.alloc(4, 0) - - this._cipher = new aes.AES(key) - var ck = this._cipher.encryptBlock(h) - this._ghash = new GHASH(ck) - iv = calcIv(this, iv, ck) - - this._prev = Buffer.from(iv) - this._cache = Buffer.allocUnsafe(0) - this._secCache = Buffer.allocUnsafe(0) - this._decrypt = decrypt - this._alen = 0 - this._len = 0 - this._mode = mode - - this._authTag = null - this._called = false -} - -inherits(StreamCipher, Transform) - -StreamCipher.prototype._update = function (chunk) { - if (!this._called && this._alen) { - var rump = 16 - (this._alen % 16) - if (rump < 16) { - rump = Buffer.alloc(rump, 0) - this._ghash.update(rump) - } - } - - this._called = true - var out = this._mode.encrypt(this, chunk) - if (this._decrypt) { - this._ghash.update(chunk) - } else { - this._ghash.update(out) - } - this._len += chunk.length - return out -} - -StreamCipher.prototype._final = function () { - if (this._decrypt && !this._authTag) throw new Error('Unsupported state or unable to authenticate data') - - var tag = xor(this._ghash.final(this._alen * 8, this._len * 8), this._cipher.encryptBlock(this._finID)) - if (this._decrypt && xorTest(tag, this._authTag)) throw new Error('Unsupported state or unable to authenticate data') - - this._authTag = tag - this._cipher.scrub() -} - -StreamCipher.prototype.getAuthTag = function getAuthTag () { - if (this._decrypt || !Buffer.isBuffer(this._authTag)) throw new Error('Attempting to get auth tag in unsupported state') - - return this._authTag -} - -StreamCipher.prototype.setAuthTag = function setAuthTag (tag) { - if (!this._decrypt) throw new Error('Attempting to set auth tag in unsupported state') - - this._authTag = tag -} - -StreamCipher.prototype.setAAD = function setAAD (buf) { - if (this._called) throw new Error('Attempting to set AAD in unsupported state') - - this._ghash.update(buf) - this._alen += buf.length -} - -module.exports = StreamCipher - -},{"./aes":68,"./ghash":73,"./incr32":74,"buffer-xor":114,"cipher-base":136,"inherits":229,"safe-buffer":356}],70:[function(require,module,exports){ -var ciphers = require('./encrypter') -var deciphers = require('./decrypter') -var modes = require('./modes/list.json') - -function getCiphers () { - return Object.keys(modes) -} - -exports.createCipher = exports.Cipher = ciphers.createCipher -exports.createCipheriv = exports.Cipheriv = ciphers.createCipheriv -exports.createDecipher = exports.Decipher = deciphers.createDecipher -exports.createDecipheriv = exports.Decipheriv = deciphers.createDecipheriv -exports.listCiphers = exports.getCiphers = getCiphers - -},{"./decrypter":71,"./encrypter":72,"./modes/list.json":82}],71:[function(require,module,exports){ -var AuthCipher = require('./authCipher') -var Buffer = require('safe-buffer').Buffer -var MODES = require('./modes') -var StreamCipher = require('./streamCipher') -var Transform = require('cipher-base') -var aes = require('./aes') -var ebtk = require('evp_bytestokey') -var inherits = require('inherits') - -function Decipher (mode, key, iv) { - Transform.call(this) - - this._cache = new Splitter() - this._last = void 0 - this._cipher = new aes.AES(key) - this._prev = Buffer.from(iv) - this._mode = mode - this._autopadding = true -} - -inherits(Decipher, Transform) - -Decipher.prototype._update = function (data) { - this._cache.add(data) - var chunk - var thing - var out = [] - while ((chunk = this._cache.get(this._autopadding))) { - thing = this._mode.decrypt(this, chunk) - out.push(thing) - } - return Buffer.concat(out) -} - -Decipher.prototype._final = function () { - var chunk = this._cache.flush() - if (this._autopadding) { - return unpad(this._mode.decrypt(this, chunk)) - } else if (chunk) { - throw new Error('data not multiple of block length') - } -} - -Decipher.prototype.setAutoPadding = function (setTo) { - this._autopadding = !!setTo - return this -} - -function Splitter () { - this.cache = Buffer.allocUnsafe(0) -} - -Splitter.prototype.add = function (data) { - this.cache = Buffer.concat([this.cache, data]) -} - -Splitter.prototype.get = function (autoPadding) { - var out - if (autoPadding) { - if (this.cache.length > 16) { - out = this.cache.slice(0, 16) - this.cache = this.cache.slice(16) - return out - } - } else { - if (this.cache.length >= 16) { - out = this.cache.slice(0, 16) - this.cache = this.cache.slice(16) - return out - } - } - - return null -} - -Splitter.prototype.flush = function () { - if (this.cache.length) return this.cache -} - -function unpad (last) { - var padded = last[15] - if (padded < 1 || padded > 16) { - throw new Error('unable to decrypt data') - } - var i = -1 - while (++i < padded) { - if (last[(i + (16 - padded))] !== padded) { - throw new Error('unable to decrypt data') - } - } - if (padded === 16) return - - return last.slice(0, 16 - padded) -} - -function createDecipheriv (suite, password, iv) { - var config = MODES[suite.toLowerCase()] - if (!config) throw new TypeError('invalid suite type') - - if (typeof iv === 'string') iv = Buffer.from(iv) - if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length) - - if (typeof password === 'string') password = Buffer.from(password) - if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length) - - if (config.type === 'stream') { - return new StreamCipher(config.module, password, iv, true) - } else if (config.type === 'auth') { - return new AuthCipher(config.module, password, iv, true) - } - - return new Decipher(config.module, password, iv) -} - -function createDecipher (suite, password) { - var config = MODES[suite.toLowerCase()] - if (!config) throw new TypeError('invalid suite type') - - var keys = ebtk(password, false, config.key, config.iv) - return createDecipheriv(suite, keys.key, keys.iv) -} - -exports.createDecipher = createDecipher -exports.createDecipheriv = createDecipheriv - -},{"./aes":68,"./authCipher":69,"./modes":81,"./streamCipher":84,"cipher-base":136,"evp_bytestokey":182,"inherits":229,"safe-buffer":356}],72:[function(require,module,exports){ -var MODES = require('./modes') -var AuthCipher = require('./authCipher') -var Buffer = require('safe-buffer').Buffer -var StreamCipher = require('./streamCipher') -var Transform = require('cipher-base') -var aes = require('./aes') -var ebtk = require('evp_bytestokey') -var inherits = require('inherits') - -function Cipher (mode, key, iv) { - Transform.call(this) - - this._cache = new Splitter() - this._cipher = new aes.AES(key) - this._prev = Buffer.from(iv) - this._mode = mode - this._autopadding = true -} - -inherits(Cipher, Transform) - -Cipher.prototype._update = function (data) { - this._cache.add(data) - var chunk - var thing - var out = [] - - while ((chunk = this._cache.get())) { - thing = this._mode.encrypt(this, chunk) - out.push(thing) - } - - return Buffer.concat(out) -} - -var PADDING = Buffer.alloc(16, 0x10) - -Cipher.prototype._final = function () { - var chunk = this._cache.flush() - if (this._autopadding) { - chunk = this._mode.encrypt(this, chunk) - this._cipher.scrub() - return chunk - } - - if (!chunk.equals(PADDING)) { - this._cipher.scrub() - throw new Error('data not multiple of block length') - } -} - -Cipher.prototype.setAutoPadding = function (setTo) { - this._autopadding = !!setTo - return this -} - -function Splitter () { - this.cache = Buffer.allocUnsafe(0) -} - -Splitter.prototype.add = function (data) { - this.cache = Buffer.concat([this.cache, data]) -} - -Splitter.prototype.get = function () { - if (this.cache.length > 15) { - var out = this.cache.slice(0, 16) - this.cache = this.cache.slice(16) - return out - } - return null -} - -Splitter.prototype.flush = function () { - var len = 16 - this.cache.length - var padBuff = Buffer.allocUnsafe(len) - - var i = -1 - while (++i < len) { - padBuff.writeUInt8(len, i) - } - - return Buffer.concat([this.cache, padBuff]) -} - -function createCipheriv (suite, password, iv) { - var config = MODES[suite.toLowerCase()] - if (!config) throw new TypeError('invalid suite type') - - if (typeof password === 'string') password = Buffer.from(password) - if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length) - - if (typeof iv === 'string') iv = Buffer.from(iv) - if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length) - - if (config.type === 'stream') { - return new StreamCipher(config.module, password, iv) - } else if (config.type === 'auth') { - return new AuthCipher(config.module, password, iv) - } - - return new Cipher(config.module, password, iv) -} - -function createCipher (suite, password) { - var config = MODES[suite.toLowerCase()] - if (!config) throw new TypeError('invalid suite type') - - var keys = ebtk(password, false, config.key, config.iv) - return createCipheriv(suite, keys.key, keys.iv) -} - -exports.createCipheriv = createCipheriv -exports.createCipher = createCipher - -},{"./aes":68,"./authCipher":69,"./modes":81,"./streamCipher":84,"cipher-base":136,"evp_bytestokey":182,"inherits":229,"safe-buffer":356}],73:[function(require,module,exports){ -var Buffer = require('safe-buffer').Buffer -var ZEROES = Buffer.alloc(16, 0) - -function toArray (buf) { - return [ - buf.readUInt32BE(0), - buf.readUInt32BE(4), - buf.readUInt32BE(8), - buf.readUInt32BE(12) - ] -} - -function fromArray (out) { - var buf = Buffer.allocUnsafe(16) - buf.writeUInt32BE(out[0] >>> 0, 0) - buf.writeUInt32BE(out[1] >>> 0, 4) - buf.writeUInt32BE(out[2] >>> 0, 8) - buf.writeUInt32BE(out[3] >>> 0, 12) - return buf -} - -function GHASH (key) { - this.h = key - this.state = Buffer.alloc(16, 0) - this.cache = Buffer.allocUnsafe(0) -} - -// from http://bitwiseshiftleft.github.io/sjcl/doc/symbols/src/core_gcm.js.html -// by Juho Vähä-Herttua -GHASH.prototype.ghash = function (block) { - var i = -1 - while (++i < block.length) { - this.state[i] ^= block[i] - } - this._multiply() -} - -GHASH.prototype._multiply = function () { - var Vi = toArray(this.h) - var Zi = [0, 0, 0, 0] - var j, xi, lsbVi - var i = -1 - while (++i < 128) { - xi = (this.state[~~(i / 8)] & (1 << (7 - (i % 8)))) !== 0 - if (xi) { - // Z_i+1 = Z_i ^ V_i - Zi[0] ^= Vi[0] - Zi[1] ^= Vi[1] - Zi[2] ^= Vi[2] - Zi[3] ^= Vi[3] - } - - // Store the value of LSB(V_i) - lsbVi = (Vi[3] & 1) !== 0 - - // V_i+1 = V_i >> 1 - for (j = 3; j > 0; j--) { - Vi[j] = (Vi[j] >>> 1) | ((Vi[j - 1] & 1) << 31) - } - Vi[0] = Vi[0] >>> 1 - - // If LSB(V_i) is 1, V_i+1 = (V_i >> 1) ^ R - if (lsbVi) { - Vi[0] = Vi[0] ^ (0xe1 << 24) - } - } - this.state = fromArray(Zi) -} - -GHASH.prototype.update = function (buf) { - this.cache = Buffer.concat([this.cache, buf]) - var chunk - while (this.cache.length >= 16) { - chunk = this.cache.slice(0, 16) - this.cache = this.cache.slice(16) - this.ghash(chunk) - } -} - -GHASH.prototype.final = function (abl, bl) { - if (this.cache.length) { - this.ghash(Buffer.concat([this.cache, ZEROES], 16)) - } - - this.ghash(fromArray([0, abl, 0, bl])) - return this.state -} - -module.exports = GHASH - -},{"safe-buffer":356}],74:[function(require,module,exports){ -function incr32 (iv) { - var len = iv.length - var item - while (len--) { - item = iv.readUInt8(len) - if (item === 255) { - iv.writeUInt8(0, len) - } else { - item++ - iv.writeUInt8(item, len) - break - } - } -} -module.exports = incr32 - -},{}],75:[function(require,module,exports){ -var xor = require('buffer-xor') - -exports.encrypt = function (self, block) { - var data = xor(block, self._prev) - - self._prev = self._cipher.encryptBlock(data) - return self._prev -} - -exports.decrypt = function (self, block) { - var pad = self._prev - - self._prev = block - var out = self._cipher.decryptBlock(block) - - return xor(out, pad) -} - -},{"buffer-xor":114}],76:[function(require,module,exports){ -var Buffer = require('safe-buffer').Buffer -var xor = require('buffer-xor') - -function encryptStart (self, data, decrypt) { - var len = data.length - var out = xor(data, self._cache) - self._cache = self._cache.slice(len) - self._prev = Buffer.concat([self._prev, decrypt ? data : out]) - return out -} - -exports.encrypt = function (self, data, decrypt) { - var out = Buffer.allocUnsafe(0) - var len - - while (data.length) { - if (self._cache.length === 0) { - self._cache = self._cipher.encryptBlock(self._prev) - self._prev = Buffer.allocUnsafe(0) - } - - if (self._cache.length <= data.length) { - len = self._cache.length - out = Buffer.concat([out, encryptStart(self, data.slice(0, len), decrypt)]) - data = data.slice(len) - } else { - out = Buffer.concat([out, encryptStart(self, data, decrypt)]) - break - } - } - - return out -} - -},{"buffer-xor":114,"safe-buffer":356}],77:[function(require,module,exports){ -var Buffer = require('safe-buffer').Buffer - -function encryptByte (self, byteParam, decrypt) { - var pad - var i = -1 - var len = 8 - var out = 0 - var bit, value - while (++i < len) { - pad = self._cipher.encryptBlock(self._prev) - bit = (byteParam & (1 << (7 - i))) ? 0x80 : 0 - value = pad[0] ^ bit - out += ((value & 0x80) >> (i % 8)) - self._prev = shiftIn(self._prev, decrypt ? bit : value) - } - return out -} - -function shiftIn (buffer, value) { - var len = buffer.length - var i = -1 - var out = Buffer.allocUnsafe(buffer.length) - buffer = Buffer.concat([buffer, Buffer.from([value])]) - - while (++i < len) { - out[i] = buffer[i] << 1 | buffer[i + 1] >> (7) - } - - return out -} - -exports.encrypt = function (self, chunk, decrypt) { - var len = chunk.length - var out = Buffer.allocUnsafe(len) - var i = -1 - - while (++i < len) { - out[i] = encryptByte(self, chunk[i], decrypt) - } - - return out -} - -},{"safe-buffer":356}],78:[function(require,module,exports){ -var Buffer = require('safe-buffer').Buffer - -function encryptByte (self, byteParam, decrypt) { - var pad = self._cipher.encryptBlock(self._prev) - var out = pad[0] ^ byteParam - - self._prev = Buffer.concat([ - self._prev.slice(1), - Buffer.from([decrypt ? byteParam : out]) - ]) - - return out -} - -exports.encrypt = function (self, chunk, decrypt) { - var len = chunk.length - var out = Buffer.allocUnsafe(len) - var i = -1 - - while (++i < len) { - out[i] = encryptByte(self, chunk[i], decrypt) - } - - return out -} - -},{"safe-buffer":356}],79:[function(require,module,exports){ -var xor = require('buffer-xor') -var Buffer = require('safe-buffer').Buffer -var incr32 = require('../incr32') - -function getBlock (self) { - var out = self._cipher.encryptBlockRaw(self._prev) - incr32(self._prev) - return out -} - -var blockSize = 16 -exports.encrypt = function (self, chunk) { - var chunkNum = Math.ceil(chunk.length / blockSize) - var start = self._cache.length - self._cache = Buffer.concat([ - self._cache, - Buffer.allocUnsafe(chunkNum * blockSize) - ]) - for (var i = 0; i < chunkNum; i++) { - var out = getBlock(self) - var offset = start + i * blockSize - self._cache.writeUInt32BE(out[0], offset + 0) - self._cache.writeUInt32BE(out[1], offset + 4) - self._cache.writeUInt32BE(out[2], offset + 8) - self._cache.writeUInt32BE(out[3], offset + 12) - } - var pad = self._cache.slice(0, chunk.length) - self._cache = self._cache.slice(chunk.length) - return xor(chunk, pad) -} - -},{"../incr32":74,"buffer-xor":114,"safe-buffer":356}],80:[function(require,module,exports){ -exports.encrypt = function (self, block) { - return self._cipher.encryptBlock(block) -} - -exports.decrypt = function (self, block) { - return self._cipher.decryptBlock(block) -} - -},{}],81:[function(require,module,exports){ -var modeModules = { - ECB: require('./ecb'), - CBC: require('./cbc'), - CFB: require('./cfb'), - CFB8: require('./cfb8'), - CFB1: require('./cfb1'), - OFB: require('./ofb'), - CTR: require('./ctr'), - GCM: require('./ctr') -} - -var modes = require('./list.json') - -for (var key in modes) { - modes[key].module = modeModules[modes[key].mode] -} - -module.exports = modes - -},{"./cbc":75,"./cfb":76,"./cfb1":77,"./cfb8":78,"./ctr":79,"./ecb":80,"./list.json":82,"./ofb":83}],82:[function(require,module,exports){ -module.exports={ - "aes-128-ecb": { - "cipher": "AES", - "key": 128, - "iv": 0, - "mode": "ECB", - "type": "block" - }, - "aes-192-ecb": { - "cipher": "AES", - "key": 192, - "iv": 0, - "mode": "ECB", - "type": "block" - }, - "aes-256-ecb": { - "cipher": "AES", - "key": 256, - "iv": 0, - "mode": "ECB", - "type": "block" - }, - "aes-128-cbc": { - "cipher": "AES", - "key": 128, - "iv": 16, - "mode": "CBC", - "type": "block" - }, - "aes-192-cbc": { - "cipher": "AES", - "key": 192, - "iv": 16, - "mode": "CBC", - "type": "block" - }, - "aes-256-cbc": { - "cipher": "AES", - "key": 256, - "iv": 16, - "mode": "CBC", - "type": "block" - }, - "aes128": { - "cipher": "AES", - "key": 128, - "iv": 16, - "mode": "CBC", - "type": "block" - }, - "aes192": { - "cipher": "AES", - "key": 192, - "iv": 16, - "mode": "CBC", - "type": "block" - }, - "aes256": { - "cipher": "AES", - "key": 256, - "iv": 16, - "mode": "CBC", - "type": "block" - }, - "aes-128-cfb": { - "cipher": "AES", - "key": 128, - "iv": 16, - "mode": "CFB", - "type": "stream" - }, - "aes-192-cfb": { - "cipher": "AES", - "key": 192, - "iv": 16, - "mode": "CFB", - "type": "stream" - }, - "aes-256-cfb": { - "cipher": "AES", - "key": 256, - "iv": 16, - "mode": "CFB", - "type": "stream" - }, - "aes-128-cfb8": { - "cipher": "AES", - "key": 128, - "iv": 16, - "mode": "CFB8", - "type": "stream" - }, - "aes-192-cfb8": { - "cipher": "AES", - "key": 192, - "iv": 16, - "mode": "CFB8", - "type": "stream" - }, - "aes-256-cfb8": { - "cipher": "AES", - "key": 256, - "iv": 16, - "mode": "CFB8", - "type": "stream" - }, - "aes-128-cfb1": { - "cipher": "AES", - "key": 128, - "iv": 16, - "mode": "CFB1", - "type": "stream" - }, - "aes-192-cfb1": { - "cipher": "AES", - "key": 192, - "iv": 16, - "mode": "CFB1", - "type": "stream" - }, - "aes-256-cfb1": { - "cipher": "AES", - "key": 256, - "iv": 16, - "mode": "CFB1", - "type": "stream" - }, - "aes-128-ofb": { - "cipher": "AES", - "key": 128, - "iv": 16, - "mode": "OFB", - "type": "stream" - }, - "aes-192-ofb": { - "cipher": "AES", - "key": 192, - "iv": 16, - "mode": "OFB", - "type": "stream" - }, - "aes-256-ofb": { - "cipher": "AES", - "key": 256, - "iv": 16, - "mode": "OFB", - "type": "stream" - }, - "aes-128-ctr": { - "cipher": "AES", - "key": 128, - "iv": 16, - "mode": "CTR", - "type": "stream" - }, - "aes-192-ctr": { - "cipher": "AES", - "key": 192, - "iv": 16, - "mode": "CTR", - "type": "stream" - }, - "aes-256-ctr": { - "cipher": "AES", - "key": 256, - "iv": 16, - "mode": "CTR", - "type": "stream" - }, - "aes-128-gcm": { - "cipher": "AES", - "key": 128, - "iv": 12, - "mode": "GCM", - "type": "auth" - }, - "aes-192-gcm": { - "cipher": "AES", - "key": 192, - "iv": 12, - "mode": "GCM", - "type": "auth" - }, - "aes-256-gcm": { - "cipher": "AES", - "key": 256, - "iv": 12, - "mode": "GCM", - "type": "auth" - } -} - -},{}],83:[function(require,module,exports){ -(function (Buffer){(function (){ -var xor = require('buffer-xor') - -function getBlock (self) { - self._prev = self._cipher.encryptBlock(self._prev) - return self._prev -} - -exports.encrypt = function (self, chunk) { - while (self._cache.length < chunk.length) { - self._cache = Buffer.concat([self._cache, getBlock(self)]) - } - - var pad = self._cache.slice(0, chunk.length) - self._cache = self._cache.slice(chunk.length) - return xor(chunk, pad) -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"buffer-xor":114}],84:[function(require,module,exports){ -var aes = require('./aes') -var Buffer = require('safe-buffer').Buffer -var Transform = require('cipher-base') -var inherits = require('inherits') - -function StreamCipher (mode, key, iv, decrypt) { - Transform.call(this) - - this._cipher = new aes.AES(key) - this._prev = Buffer.from(iv) - this._cache = Buffer.allocUnsafe(0) - this._secCache = Buffer.allocUnsafe(0) - this._decrypt = decrypt - this._mode = mode -} - -inherits(StreamCipher, Transform) - -StreamCipher.prototype._update = function (chunk) { - return this._mode.encrypt(this, chunk, this._decrypt) -} - -StreamCipher.prototype._final = function () { - this._cipher.scrub() -} - -module.exports = StreamCipher - -},{"./aes":68,"cipher-base":136,"inherits":229,"safe-buffer":356}],85:[function(require,module,exports){ -var DES = require('browserify-des') -var aes = require('browserify-aes/browser') -var aesModes = require('browserify-aes/modes') -var desModes = require('browserify-des/modes') -var ebtk = require('evp_bytestokey') - -function createCipher (suite, password) { - suite = suite.toLowerCase() - - var keyLen, ivLen - if (aesModes[suite]) { - keyLen = aesModes[suite].key - ivLen = aesModes[suite].iv - } else if (desModes[suite]) { - keyLen = desModes[suite].key * 8 - ivLen = desModes[suite].iv - } else { - throw new TypeError('invalid suite type') - } - - var keys = ebtk(password, false, keyLen, ivLen) - return createCipheriv(suite, keys.key, keys.iv) -} - -function createDecipher (suite, password) { - suite = suite.toLowerCase() - - var keyLen, ivLen - if (aesModes[suite]) { - keyLen = aesModes[suite].key - ivLen = aesModes[suite].iv - } else if (desModes[suite]) { - keyLen = desModes[suite].key * 8 - ivLen = desModes[suite].iv - } else { - throw new TypeError('invalid suite type') - } - - var keys = ebtk(password, false, keyLen, ivLen) - return createDecipheriv(suite, keys.key, keys.iv) -} - -function createCipheriv (suite, key, iv) { - suite = suite.toLowerCase() - if (aesModes[suite]) return aes.createCipheriv(suite, key, iv) - if (desModes[suite]) return new DES({ key: key, iv: iv, mode: suite }) - - throw new TypeError('invalid suite type') -} - -function createDecipheriv (suite, key, iv) { - suite = suite.toLowerCase() - if (aesModes[suite]) return aes.createDecipheriv(suite, key, iv) - if (desModes[suite]) return new DES({ key: key, iv: iv, mode: suite, decrypt: true }) - - throw new TypeError('invalid suite type') -} - -function getCiphers () { - return Object.keys(desModes).concat(aes.getCiphers()) -} - -exports.createCipher = exports.Cipher = createCipher -exports.createCipheriv = exports.Cipheriv = createCipheriv -exports.createDecipher = exports.Decipher = createDecipher -exports.createDecipheriv = exports.Decipheriv = createDecipheriv -exports.listCiphers = exports.getCiphers = getCiphers - -},{"browserify-aes/browser":70,"browserify-aes/modes":81,"browserify-des":86,"browserify-des/modes":87,"evp_bytestokey":182}],86:[function(require,module,exports){ -var CipherBase = require('cipher-base') -var des = require('des.js') -var inherits = require('inherits') -var Buffer = require('safe-buffer').Buffer - -var modes = { - 'des-ede3-cbc': des.CBC.instantiate(des.EDE), - 'des-ede3': des.EDE, - 'des-ede-cbc': des.CBC.instantiate(des.EDE), - 'des-ede': des.EDE, - 'des-cbc': des.CBC.instantiate(des.DES), - 'des-ecb': des.DES -} -modes.des = modes['des-cbc'] -modes.des3 = modes['des-ede3-cbc'] -module.exports = DES -inherits(DES, CipherBase) -function DES (opts) { - CipherBase.call(this) - var modeName = opts.mode.toLowerCase() - var mode = modes[modeName] - var type - if (opts.decrypt) { - type = 'decrypt' - } else { - type = 'encrypt' - } - var key = opts.key - if (!Buffer.isBuffer(key)) { - key = Buffer.from(key) - } - if (modeName === 'des-ede' || modeName === 'des-ede-cbc') { - key = Buffer.concat([key, key.slice(0, 8)]) - } - var iv = opts.iv - if (!Buffer.isBuffer(iv)) { - iv = Buffer.from(iv) - } - this._des = mode.create({ - key: key, - iv: iv, - type: type - }) -} -DES.prototype._update = function (data) { - return Buffer.from(this._des.update(data)) -} -DES.prototype._final = function () { - return Buffer.from(this._des.final()) -} - -},{"cipher-base":136,"des.js":151,"inherits":229,"safe-buffer":356}],87:[function(require,module,exports){ -exports['des-ecb'] = { - key: 8, - iv: 0 -} -exports['des-cbc'] = exports.des = { - key: 8, - iv: 8 -} -exports['des-ede3-cbc'] = exports.des3 = { - key: 24, - iv: 8 -} -exports['des-ede3'] = { - key: 24, - iv: 0 -} -exports['des-ede-cbc'] = { - key: 16, - iv: 8 -} -exports['des-ede'] = { - key: 16, - iv: 0 -} - -},{}],88:[function(require,module,exports){ -(function (Buffer){(function (){ -var BN = require('bn.js') -var randomBytes = require('randombytes') - -function blind (priv) { - var r = getr(priv) - var blinder = r.toRed(BN.mont(priv.modulus)).redPow(new BN(priv.publicExponent)).fromRed() - return { blinder: blinder, unblinder: r.invm(priv.modulus) } -} - -function getr (priv) { - var len = priv.modulus.byteLength() - var r - do { - r = new BN(randomBytes(len)) - } while (r.cmp(priv.modulus) >= 0 || !r.umod(priv.prime1) || !r.umod(priv.prime2)) - return r -} - -function crt (msg, priv) { - var blinds = blind(priv) - var len = priv.modulus.byteLength() - var blinded = new BN(msg).mul(blinds.blinder).umod(priv.modulus) - var c1 = blinded.toRed(BN.mont(priv.prime1)) - var c2 = blinded.toRed(BN.mont(priv.prime2)) - var qinv = priv.coefficient - var p = priv.prime1 - var q = priv.prime2 - var m1 = c1.redPow(priv.exponent1).fromRed() - var m2 = c2.redPow(priv.exponent2).fromRed() - var h = m1.isub(m2).imul(qinv).umod(p).imul(q) - return m2.iadd(h).imul(blinds.unblinder).umod(priv.modulus).toArrayLike(Buffer, 'be', len) -} -crt.getr = getr - -module.exports = crt - -}).call(this)}).call(this,require("buffer").Buffer) -},{"bn.js":65,"buffer":110,"randombytes":330}],89:[function(require,module,exports){ -'use strict'; - -module.exports = require('./browser/algorithms.json'); - -},{"./browser/algorithms.json":90}],90:[function(require,module,exports){ -module.exports={ - "sha224WithRSAEncryption": { - "sign": "rsa", - "hash": "sha224", - "id": "302d300d06096086480165030402040500041c" - }, - "RSA-SHA224": { - "sign": "ecdsa/rsa", - "hash": "sha224", - "id": "302d300d06096086480165030402040500041c" - }, - "sha256WithRSAEncryption": { - "sign": "rsa", - "hash": "sha256", - "id": "3031300d060960864801650304020105000420" - }, - "RSA-SHA256": { - "sign": "ecdsa/rsa", - "hash": "sha256", - "id": "3031300d060960864801650304020105000420" - }, - "sha384WithRSAEncryption": { - "sign": "rsa", - "hash": "sha384", - "id": "3041300d060960864801650304020205000430" - }, - "RSA-SHA384": { - "sign": "ecdsa/rsa", - "hash": "sha384", - "id": "3041300d060960864801650304020205000430" - }, - "sha512WithRSAEncryption": { - "sign": "rsa", - "hash": "sha512", - "id": "3051300d060960864801650304020305000440" - }, - "RSA-SHA512": { - "sign": "ecdsa/rsa", - "hash": "sha512", - "id": "3051300d060960864801650304020305000440" - }, - "RSA-SHA1": { - "sign": "rsa", - "hash": "sha1", - "id": "3021300906052b0e03021a05000414" - }, - "ecdsa-with-SHA1": { - "sign": "ecdsa", - "hash": "sha1", - "id": "" - }, - "sha256": { - "sign": "ecdsa", - "hash": "sha256", - "id": "" - }, - "sha224": { - "sign": "ecdsa", - "hash": "sha224", - "id": "" - }, - "sha384": { - "sign": "ecdsa", - "hash": "sha384", - "id": "" - }, - "sha512": { - "sign": "ecdsa", - "hash": "sha512", - "id": "" - }, - "DSA-SHA": { - "sign": "dsa", - "hash": "sha1", - "id": "" - }, - "DSA-SHA1": { - "sign": "dsa", - "hash": "sha1", - "id": "" - }, - "DSA": { - "sign": "dsa", - "hash": "sha1", - "id": "" - }, - "DSA-WITH-SHA224": { - "sign": "dsa", - "hash": "sha224", - "id": "" - }, - "DSA-SHA224": { - "sign": "dsa", - "hash": "sha224", - "id": "" - }, - "DSA-WITH-SHA256": { - "sign": "dsa", - "hash": "sha256", - "id": "" - }, - "DSA-SHA256": { - "sign": "dsa", - "hash": "sha256", - "id": "" - }, - "DSA-WITH-SHA384": { - "sign": "dsa", - "hash": "sha384", - "id": "" - }, - "DSA-SHA384": { - "sign": "dsa", - "hash": "sha384", - "id": "" - }, - "DSA-WITH-SHA512": { - "sign": "dsa", - "hash": "sha512", - "id": "" - }, - "DSA-SHA512": { - "sign": "dsa", - "hash": "sha512", - "id": "" - }, - "DSA-RIPEMD160": { - "sign": "dsa", - "hash": "rmd160", - "id": "" - }, - "ripemd160WithRSA": { - "sign": "rsa", - "hash": "rmd160", - "id": "3021300906052b2403020105000414" - }, - "RSA-RIPEMD160": { - "sign": "rsa", - "hash": "rmd160", - "id": "3021300906052b2403020105000414" - }, - "md5WithRSAEncryption": { - "sign": "rsa", - "hash": "md5", - "id": "3020300c06082a864886f70d020505000410" - }, - "RSA-MD5": { - "sign": "rsa", - "hash": "md5", - "id": "3020300c06082a864886f70d020505000410" - } -} - -},{}],91:[function(require,module,exports){ -module.exports={ - "1.3.132.0.10": "secp256k1", - "1.3.132.0.33": "p224", - "1.2.840.10045.3.1.1": "p192", - "1.2.840.10045.3.1.7": "p256", - "1.3.132.0.34": "p384", - "1.3.132.0.35": "p521" -} - -},{}],92:[function(require,module,exports){ -'use strict'; - -var Buffer = require('safe-buffer').Buffer; -var createHash = require('create-hash'); -var stream = require('readable-stream'); -var inherits = require('inherits'); -var sign = require('./sign'); -var verify = require('./verify'); - -var algorithms = require('./algorithms.json'); -Object.keys(algorithms).forEach(function (key) { - algorithms[key].id = Buffer.from(algorithms[key].id, 'hex'); - algorithms[key.toLowerCase()] = algorithms[key]; -}); - -function Sign(algorithm) { - stream.Writable.call(this); - - var data = algorithms[algorithm]; - if (!data) { throw new Error('Unknown message digest'); } - - this._hashType = data.hash; - this._hash = createHash(data.hash); - this._tag = data.id; - this._signType = data.sign; -} -inherits(Sign, stream.Writable); - -Sign.prototype._write = function _write(data, _, done) { - this._hash.update(data); - done(); -}; - -Sign.prototype.update = function update(data, enc) { - this._hash.update(typeof data === 'string' ? Buffer.from(data, enc) : data); - - return this; -}; - -Sign.prototype.sign = function signMethod(key, enc) { - this.end(); - var hash = this._hash.digest(); - var sig = sign(hash, key, this._hashType, this._signType, this._tag); - - return enc ? sig.toString(enc) : sig; -}; - -function Verify(algorithm) { - stream.Writable.call(this); - - var data = algorithms[algorithm]; - if (!data) { throw new Error('Unknown message digest'); } - - this._hash = createHash(data.hash); - this._tag = data.id; - this._signType = data.sign; -} -inherits(Verify, stream.Writable); - -Verify.prototype._write = function _write(data, _, done) { - this._hash.update(data); - done(); -}; - -Verify.prototype.update = function update(data, enc) { - this._hash.update(typeof data === 'string' ? Buffer.from(data, enc) : data); - - return this; -}; - -Verify.prototype.verify = function verifyMethod(key, sig, enc) { - var sigBuffer = typeof sig === 'string' ? Buffer.from(sig, enc) : sig; - - this.end(); - var hash = this._hash.digest(); - return verify(sigBuffer, hash, key, this._signType, this._tag); -}; - -function createSign(algorithm) { - return new Sign(algorithm); -} - -function createVerify(algorithm) { - return new Verify(algorithm); -} - -module.exports = { - Sign: createSign, - Verify: createVerify, - createSign: createSign, - createVerify: createVerify -}; - -},{"./algorithms.json":90,"./sign":93,"./verify":94,"create-hash":142,"inherits":229,"readable-stream":109,"safe-buffer":356}],93:[function(require,module,exports){ -'use strict'; - -// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js -var Buffer = require('safe-buffer').Buffer; -var createHmac = require('create-hmac'); -var crt = require('browserify-rsa'); -var EC = require('elliptic').ec; -var BN = require('bn.js'); -var parseKeys = require('parse-asn1'); -var curves = require('./curves.json'); - -var RSA_PKCS1_PADDING = 1; - -function sign(hash, key, hashType, signType, tag) { - var priv = parseKeys(key); - if (priv.curve) { - // rsa keys can be interpreted as ecdsa ones in openssl - if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') { throw new Error('wrong private key type'); } - return ecSign(hash, priv); - } else if (priv.type === 'dsa') { - if (signType !== 'dsa') { throw new Error('wrong private key type'); } - return dsaSign(hash, priv, hashType); - } - if (signType !== 'rsa' && signType !== 'ecdsa/rsa') { throw new Error('wrong private key type'); } - if (key.padding !== undefined && key.padding !== RSA_PKCS1_PADDING) { throw new Error('illegal or unsupported padding mode'); } - - hash = Buffer.concat([tag, hash]); - var len = priv.modulus.byteLength(); - var pad = [0, 1]; - while (hash.length + pad.length + 1 < len) { pad.push(0xff); } - pad.push(0x00); - var i = -1; - while (++i < hash.length) { pad.push(hash[i]); } - - var out = crt(pad, priv); - return out; -} - -function ecSign(hash, priv) { - var curveId = curves[priv.curve.join('.')]; - if (!curveId) { throw new Error('unknown curve ' + priv.curve.join('.')); } - - var curve = new EC(curveId); - var key = curve.keyFromPrivate(priv.privateKey); - var out = key.sign(hash); - - return Buffer.from(out.toDER()); -} - -function dsaSign(hash, priv, algo) { - var x = priv.params.priv_key; - var p = priv.params.p; - var q = priv.params.q; - var g = priv.params.g; - var r = new BN(0); - var k; - var H = bits2int(hash, q).mod(q); - var s = false; - var kv = getKey(x, q, hash, algo); - while (s === false) { - k = makeKey(q, kv, algo); - r = makeR(g, k, p, q); - s = k.invm(q).imul(H.add(x.mul(r))).mod(q); - if (s.cmpn(0) === 0) { - s = false; - r = new BN(0); - } - } - return toDER(r, s); -} - -function toDER(r, s) { - r = r.toArray(); - s = s.toArray(); - - // Pad values - if (r[0] & 0x80) { r = [0].concat(r); } - if (s[0] & 0x80) { s = [0].concat(s); } - - var total = r.length + s.length + 4; - var res = [ - 0x30, total, 0x02, r.length - ]; - res = res.concat(r, [0x02, s.length], s); - return Buffer.from(res); -} - -function getKey(x, q, hash, algo) { - x = Buffer.from(x.toArray()); - if (x.length < q.byteLength()) { - var zeros = Buffer.alloc(q.byteLength() - x.length); - x = Buffer.concat([zeros, x]); - } - var hlen = hash.length; - var hbits = bits2octets(hash, q); - var v = Buffer.alloc(hlen); - v.fill(1); - var k = Buffer.alloc(hlen); - k = createHmac(algo, k).update(v).update(Buffer.from([0])).update(x).update(hbits).digest(); - v = createHmac(algo, k).update(v).digest(); - k = createHmac(algo, k).update(v).update(Buffer.from([1])).update(x).update(hbits).digest(); - v = createHmac(algo, k).update(v).digest(); - return { k: k, v: v }; -} - -function bits2int(obits, q) { - var bits = new BN(obits); - var shift = (obits.length << 3) - q.bitLength(); - if (shift > 0) { bits.ishrn(shift); } - return bits; -} - -function bits2octets(bits, q) { - bits = bits2int(bits, q); - bits = bits.mod(q); - var out = Buffer.from(bits.toArray()); - if (out.length < q.byteLength()) { - var zeros = Buffer.alloc(q.byteLength() - out.length); - out = Buffer.concat([zeros, out]); - } - return out; -} - -function makeKey(q, kv, algo) { - var t; - var k; - - do { - t = Buffer.alloc(0); - - while (t.length * 8 < q.bitLength()) { - kv.v = createHmac(algo, kv.k).update(kv.v).digest(); - t = Buffer.concat([t, kv.v]); - } - - k = bits2int(t, q); - kv.k = createHmac(algo, kv.k).update(kv.v).update(Buffer.from([0])).digest(); - kv.v = createHmac(algo, kv.k).update(kv.v).digest(); - } while (k.cmp(q) !== -1); - - return k; -} - -function makeR(g, k, p, q) { - return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q); -} - -module.exports = sign; -module.exports.getKey = getKey; -module.exports.makeKey = makeKey; - -},{"./curves.json":91,"bn.js":65,"browserify-rsa":88,"create-hmac":144,"elliptic":162,"parse-asn1":299,"safe-buffer":356}],94:[function(require,module,exports){ -'use strict'; - -// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js -var Buffer = require('safe-buffer').Buffer; -var BN = require('bn.js'); -var EC = require('elliptic').ec; -var parseKeys = require('parse-asn1'); -var curves = require('./curves.json'); - -function verify(sig, hash, key, signType, tag) { - var pub = parseKeys(key); - if (pub.type === 'ec') { - // rsa keys can be interpreted as ecdsa ones in openssl - if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') { throw new Error('wrong public key type'); } - return ecVerify(sig, hash, pub); - } else if (pub.type === 'dsa') { - if (signType !== 'dsa') { throw new Error('wrong public key type'); } - return dsaVerify(sig, hash, pub); - } - if (signType !== 'rsa' && signType !== 'ecdsa/rsa') { throw new Error('wrong public key type'); } - - hash = Buffer.concat([tag, hash]); - var len = pub.modulus.byteLength(); - var pad = [1]; - var padNum = 0; - while (hash.length + pad.length + 2 < len) { - pad.push(0xff); - padNum += 1; - } - pad.push(0x00); - var i = -1; - while (++i < hash.length) { - pad.push(hash[i]); - } - pad = Buffer.from(pad); - var red = BN.mont(pub.modulus); - sig = new BN(sig).toRed(red); - - sig = sig.redPow(new BN(pub.publicExponent)); - sig = Buffer.from(sig.fromRed().toArray()); - var out = padNum < 8 ? 1 : 0; - len = Math.min(sig.length, pad.length); - if (sig.length !== pad.length) { out = 1; } - - i = -1; - while (++i < len) { out |= sig[i] ^ pad[i]; } - return out === 0; -} - -function ecVerify(sig, hash, pub) { - var curveId = curves[pub.data.algorithm.curve.join('.')]; - if (!curveId) { throw new Error('unknown curve ' + pub.data.algorithm.curve.join('.')); } - - var curve = new EC(curveId); - var pubkey = pub.data.subjectPrivateKey.data; - - return curve.verify(hash, sig, pubkey); -} - -function dsaVerify(sig, hash, pub) { - var p = pub.data.p; - var q = pub.data.q; - var g = pub.data.g; - var y = pub.data.pub_key; - var unpacked = parseKeys.signature.decode(sig, 'der'); - var s = unpacked.s; - var r = unpacked.r; - checkValue(s, q); - checkValue(r, q); - var montp = BN.mont(p); - var w = s.invm(q); - var v = g.toRed(montp) - .redPow(new BN(hash).mul(w).mod(q)) - .fromRed() - .mul(y.toRed(montp).redPow(r.mul(w).mod(q)).fromRed()) - .mod(p) - .mod(q); - return v.cmp(r) === 0; -} - -function checkValue(b, q) { - if (b.cmpn(0) <= 0) { throw new Error('invalid sig'); } - if (b.cmp(q) >= 0) { throw new Error('invalid sig'); } -} - -module.exports = verify; - -},{"./curves.json":91,"bn.js":65,"elliptic":162,"parse-asn1":299,"safe-buffer":356}],95:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],96:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":98,"./_stream_writable":100,"_process":309,"dup":29,"inherits":229}],97:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":99,"dup":30,"inherits":229}],98:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":95,"./_stream_duplex":96,"./internal/streams/async_iterator":101,"./internal/streams/buffer_list":102,"./internal/streams/destroy":103,"./internal/streams/from":105,"./internal/streams/state":107,"./internal/streams/stream":108,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],99:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":95,"./_stream_duplex":96,"dup":32,"inherits":229}],100:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":95,"./_stream_duplex":96,"./internal/streams/destroy":103,"./internal/streams/state":107,"./internal/streams/stream":108,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],101:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":104,"_process":309,"dup":34}],102:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],103:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],104:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":95,"dup":37}],105:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],106:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":95,"./end-of-stream":104,"dup":39}],107:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":95,"dup":40}],108:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],109:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":96,"./lib/_stream_passthrough.js":97,"./lib/_stream_readable.js":98,"./lib/_stream_transform.js":99,"./lib/_stream_writable.js":100,"./lib/internal/streams/end-of-stream.js":104,"./lib/internal/streams/pipeline.js":106,"dup":42}],110:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! - * The buffer module from node.js, for the browser. - * - * @author Feross Aboukhadijeh - * @license MIT - */ -/* eslint-disable no-proto */ - -'use strict' - -var base64 = require('base64-js') -var ieee754 = require('ieee754') - -exports.Buffer = Buffer -exports.SlowBuffer = SlowBuffer -exports.INSPECT_MAX_BYTES = 50 - -var K_MAX_LENGTH = 0x7fffffff -exports.kMaxLength = K_MAX_LENGTH - -/** - * If `Buffer.TYPED_ARRAY_SUPPORT`: - * === true Use Uint8Array implementation (fastest) - * === false Print warning and recommend using `buffer` v4.x which has an Object - * implementation (most compatible, even IE6) - * - * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, - * Opera 11.6+, iOS 4.2+. - * - * We report that the browser does not support typed arrays if the are not subclassable - * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array` - * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support - * for __proto__ and has a buggy typed array implementation. - */ -Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport() - -if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && - typeof console.error === 'function') { - console.error( - 'This browser lacks typed array (Uint8Array) support which is required by ' + - '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.' - ) -} - -function typedArraySupport () { - // Can typed array instances can be augmented? - try { - var arr = new Uint8Array(1) - arr.__proto__ = { __proto__: Uint8Array.prototype, foo: function () { return 42 } } - return arr.foo() === 42 - } catch (e) { - return false - } -} - -Object.defineProperty(Buffer.prototype, 'parent', { - enumerable: true, - get: function () { - if (!Buffer.isBuffer(this)) return undefined - return this.buffer - } -}) - -Object.defineProperty(Buffer.prototype, 'offset', { - enumerable: true, - get: function () { - if (!Buffer.isBuffer(this)) return undefined - return this.byteOffset - } -}) - -function createBuffer (length) { - if (length > K_MAX_LENGTH) { - throw new RangeError('The value "' + length + '" is invalid for option "size"') - } - // Return an augmented `Uint8Array` instance - var buf = new Uint8Array(length) - buf.__proto__ = Buffer.prototype - return buf -} - -/** - * The Buffer constructor returns instances of `Uint8Array` that have their - * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of - * `Uint8Array`, so the returned instances will have all the node `Buffer` methods - * and the `Uint8Array` methods. Square bracket notation works as expected -- it - * returns a single octet. - * - * The `Uint8Array` prototype remains unmodified. - */ - -function Buffer (arg, encodingOrOffset, length) { - // Common case. - if (typeof arg === 'number') { - if (typeof encodingOrOffset === 'string') { - throw new TypeError( - 'The "string" argument must be of type string. Received type number' - ) - } - return allocUnsafe(arg) - } - return from(arg, encodingOrOffset, length) -} - -// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97 -if (typeof Symbol !== 'undefined' && Symbol.species != null && - Buffer[Symbol.species] === Buffer) { - Object.defineProperty(Buffer, Symbol.species, { - value: null, - configurable: true, - enumerable: false, - writable: false - }) -} - -Buffer.poolSize = 8192 // not used by this implementation - -function from (value, encodingOrOffset, length) { - if (typeof value === 'string') { - return fromString(value, encodingOrOffset) - } - - if (ArrayBuffer.isView(value)) { - return fromArrayLike(value) - } - - if (value == null) { - throw TypeError( - 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + - 'or Array-like Object. Received type ' + (typeof value) - ) - } - - if (isInstance(value, ArrayBuffer) || - (value && isInstance(value.buffer, ArrayBuffer))) { - return fromArrayBuffer(value, encodingOrOffset, length) - } - - if (typeof value === 'number') { - throw new TypeError( - 'The "value" argument must not be of type number. Received type number' - ) - } - - var valueOf = value.valueOf && value.valueOf() - if (valueOf != null && valueOf !== value) { - return Buffer.from(valueOf, encodingOrOffset, length) - } - - var b = fromObject(value) - if (b) return b - - if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && - typeof value[Symbol.toPrimitive] === 'function') { - return Buffer.from( - value[Symbol.toPrimitive]('string'), encodingOrOffset, length - ) - } - - throw new TypeError( - 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + - 'or Array-like Object. Received type ' + (typeof value) - ) -} - -/** - * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError - * if value is a number. - * Buffer.from(str[, encoding]) - * Buffer.from(array) - * Buffer.from(buffer) - * Buffer.from(arrayBuffer[, byteOffset[, length]]) - **/ -Buffer.from = function (value, encodingOrOffset, length) { - return from(value, encodingOrOffset, length) -} - -// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug: -// https://github.com/feross/buffer/pull/148 -Buffer.prototype.__proto__ = Uint8Array.prototype -Buffer.__proto__ = Uint8Array - -function assertSize (size) { - if (typeof size !== 'number') { - throw new TypeError('"size" argument must be of type number') - } else if (size < 0) { - throw new RangeError('The value "' + size + '" is invalid for option "size"') - } -} - -function alloc (size, fill, encoding) { - assertSize(size) - if (size <= 0) { - return createBuffer(size) - } - if (fill !== undefined) { - // Only pay attention to encoding if it's a string. This - // prevents accidentally sending in a number that would - // be interpretted as a start offset. - return typeof encoding === 'string' - ? createBuffer(size).fill(fill, encoding) - : createBuffer(size).fill(fill) - } - return createBuffer(size) -} - -/** - * Creates a new filled Buffer instance. - * alloc(size[, fill[, encoding]]) - **/ -Buffer.alloc = function (size, fill, encoding) { - return alloc(size, fill, encoding) -} - -function allocUnsafe (size) { - assertSize(size) - return createBuffer(size < 0 ? 0 : checked(size) | 0) -} - -/** - * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. - * */ -Buffer.allocUnsafe = function (size) { - return allocUnsafe(size) -} -/** - * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. - */ -Buffer.allocUnsafeSlow = function (size) { - return allocUnsafe(size) -} - -function fromString (string, encoding) { - if (typeof encoding !== 'string' || encoding === '') { - encoding = 'utf8' - } - - if (!Buffer.isEncoding(encoding)) { - throw new TypeError('Unknown encoding: ' + encoding) - } - - var length = byteLength(string, encoding) | 0 - var buf = createBuffer(length) - - var actual = buf.write(string, encoding) - - if (actual !== length) { - // Writing a hex string, for example, that contains invalid characters will - // cause everything after the first invalid character to be ignored. (e.g. - // 'abxxcd' will be treated as 'ab') - buf = buf.slice(0, actual) - } - - return buf -} - -function fromArrayLike (array) { - var length = array.length < 0 ? 0 : checked(array.length) | 0 - var buf = createBuffer(length) - for (var i = 0; i < length; i += 1) { - buf[i] = array[i] & 255 - } - return buf -} - -function fromArrayBuffer (array, byteOffset, length) { - if (byteOffset < 0 || array.byteLength < byteOffset) { - throw new RangeError('"offset" is outside of buffer bounds') - } - - if (array.byteLength < byteOffset + (length || 0)) { - throw new RangeError('"length" is outside of buffer bounds') - } - - var buf - if (byteOffset === undefined && length === undefined) { - buf = new Uint8Array(array) - } else if (length === undefined) { - buf = new Uint8Array(array, byteOffset) - } else { - buf = new Uint8Array(array, byteOffset, length) - } - - // Return an augmented `Uint8Array` instance - buf.__proto__ = Buffer.prototype - return buf -} - -function fromObject (obj) { - if (Buffer.isBuffer(obj)) { - var len = checked(obj.length) | 0 - var buf = createBuffer(len) - - if (buf.length === 0) { - return buf - } - - obj.copy(buf, 0, 0, len) - return buf - } - - if (obj.length !== undefined) { - if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) { - return createBuffer(0) - } - return fromArrayLike(obj) - } - - if (obj.type === 'Buffer' && Array.isArray(obj.data)) { - return fromArrayLike(obj.data) - } -} - -function checked (length) { - // Note: cannot use `length < K_MAX_LENGTH` here because that fails when - // length is NaN (which is otherwise coerced to zero.) - if (length >= K_MAX_LENGTH) { - throw new RangeError('Attempt to allocate Buffer larger than maximum ' + - 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes') - } - return length | 0 -} - -function SlowBuffer (length) { - if (+length != length) { // eslint-disable-line eqeqeq - length = 0 - } - return Buffer.alloc(+length) -} - -Buffer.isBuffer = function isBuffer (b) { - return b != null && b._isBuffer === true && - b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false -} - -Buffer.compare = function compare (a, b) { - if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength) - if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength) - if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { - throw new TypeError( - 'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array' - ) - } - - if (a === b) return 0 - - var x = a.length - var y = b.length - - for (var i = 0, len = Math.min(x, y); i < len; ++i) { - if (a[i] !== b[i]) { - x = a[i] - y = b[i] - break - } - } - - if (x < y) return -1 - if (y < x) return 1 - return 0 -} - -Buffer.isEncoding = function isEncoding (encoding) { - switch (String(encoding).toLowerCase()) { - case 'hex': - case 'utf8': - case 'utf-8': - case 'ascii': - case 'latin1': - case 'binary': - case 'base64': - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return true - default: - return false - } -} - -Buffer.concat = function concat (list, length) { - if (!Array.isArray(list)) { - throw new TypeError('"list" argument must be an Array of Buffers') - } - - if (list.length === 0) { - return Buffer.alloc(0) - } - - var i - if (length === undefined) { - length = 0 - for (i = 0; i < list.length; ++i) { - length += list[i].length - } - } - - var buffer = Buffer.allocUnsafe(length) - var pos = 0 - for (i = 0; i < list.length; ++i) { - var buf = list[i] - if (isInstance(buf, Uint8Array)) { - buf = Buffer.from(buf) - } - if (!Buffer.isBuffer(buf)) { - throw new TypeError('"list" argument must be an Array of Buffers') - } - buf.copy(buffer, pos) - pos += buf.length - } - return buffer -} - -function byteLength (string, encoding) { - if (Buffer.isBuffer(string)) { - return string.length - } - if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) { - return string.byteLength - } - if (typeof string !== 'string') { - throw new TypeError( - 'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + - 'Received type ' + typeof string - ) - } - - var len = string.length - var mustMatch = (arguments.length > 2 && arguments[2] === true) - if (!mustMatch && len === 0) return 0 - - // Use a for loop to avoid recursion - var loweredCase = false - for (;;) { - switch (encoding) { - case 'ascii': - case 'latin1': - case 'binary': - return len - case 'utf8': - case 'utf-8': - return utf8ToBytes(string).length - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return len * 2 - case 'hex': - return len >>> 1 - case 'base64': - return base64ToBytes(string).length - default: - if (loweredCase) { - return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8 - } - encoding = ('' + encoding).toLowerCase() - loweredCase = true - } - } -} -Buffer.byteLength = byteLength - -function slowToString (encoding, start, end) { - var loweredCase = false - - // No need to verify that "this.length <= MAX_UINT32" since it's a read-only - // property of a typed array. - - // This behaves neither like String nor Uint8Array in that we set start/end - // to their upper/lower bounds if the value passed is out of range. - // undefined is handled specially as per ECMA-262 6th Edition, - // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. - if (start === undefined || start < 0) { - start = 0 - } - // Return early if start > this.length. Done here to prevent potential uint32 - // coercion fail below. - if (start > this.length) { - return '' - } - - if (end === undefined || end > this.length) { - end = this.length - } - - if (end <= 0) { - return '' - } - - // Force coersion to uint32. This will also coerce falsey/NaN values to 0. - end >>>= 0 - start >>>= 0 - - if (end <= start) { - return '' - } - - if (!encoding) encoding = 'utf8' - - while (true) { - switch (encoding) { - case 'hex': - return hexSlice(this, start, end) - - case 'utf8': - case 'utf-8': - return utf8Slice(this, start, end) - - case 'ascii': - return asciiSlice(this, start, end) - - case 'latin1': - case 'binary': - return latin1Slice(this, start, end) - - case 'base64': - return base64Slice(this, start, end) - - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return utf16leSlice(this, start, end) - - default: - if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) - encoding = (encoding + '').toLowerCase() - loweredCase = true - } - } -} - -// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package) -// to detect a Buffer instance. It's not possible to use `instanceof Buffer` -// reliably in a browserify context because there could be multiple different -// copies of the 'buffer' package in use. This method works even for Buffer -// instances that were created from another copy of the `buffer` package. -// See: https://github.com/feross/buffer/issues/154 -Buffer.prototype._isBuffer = true - -function swap (b, n, m) { - var i = b[n] - b[n] = b[m] - b[m] = i -} - -Buffer.prototype.swap16 = function swap16 () { - var len = this.length - if (len % 2 !== 0) { - throw new RangeError('Buffer size must be a multiple of 16-bits') - } - for (var i = 0; i < len; i += 2) { - swap(this, i, i + 1) - } - return this -} - -Buffer.prototype.swap32 = function swap32 () { - var len = this.length - if (len % 4 !== 0) { - throw new RangeError('Buffer size must be a multiple of 32-bits') - } - for (var i = 0; i < len; i += 4) { - swap(this, i, i + 3) - swap(this, i + 1, i + 2) - } - return this -} - -Buffer.prototype.swap64 = function swap64 () { - var len = this.length - if (len % 8 !== 0) { - throw new RangeError('Buffer size must be a multiple of 64-bits') - } - for (var i = 0; i < len; i += 8) { - swap(this, i, i + 7) - swap(this, i + 1, i + 6) - swap(this, i + 2, i + 5) - swap(this, i + 3, i + 4) - } - return this -} - -Buffer.prototype.toString = function toString () { - var length = this.length - if (length === 0) return '' - if (arguments.length === 0) return utf8Slice(this, 0, length) - return slowToString.apply(this, arguments) -} - -Buffer.prototype.toLocaleString = Buffer.prototype.toString - -Buffer.prototype.equals = function equals (b) { - if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') - if (this === b) return true - return Buffer.compare(this, b) === 0 -} - -Buffer.prototype.inspect = function inspect () { - var str = '' - var max = exports.INSPECT_MAX_BYTES - str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim() - if (this.length > max) str += ' ... ' - return '' -} - -Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { - if (isInstance(target, Uint8Array)) { - target = Buffer.from(target, target.offset, target.byteLength) - } - if (!Buffer.isBuffer(target)) { - throw new TypeError( - 'The "target" argument must be one of type Buffer or Uint8Array. ' + - 'Received type ' + (typeof target) - ) - } - - if (start === undefined) { - start = 0 - } - if (end === undefined) { - end = target ? target.length : 0 - } - if (thisStart === undefined) { - thisStart = 0 - } - if (thisEnd === undefined) { - thisEnd = this.length - } - - if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { - throw new RangeError('out of range index') - } - - if (thisStart >= thisEnd && start >= end) { - return 0 - } - if (thisStart >= thisEnd) { - return -1 - } - if (start >= end) { - return 1 - } - - start >>>= 0 - end >>>= 0 - thisStart >>>= 0 - thisEnd >>>= 0 - - if (this === target) return 0 - - var x = thisEnd - thisStart - var y = end - start - var len = Math.min(x, y) - - var thisCopy = this.slice(thisStart, thisEnd) - var targetCopy = target.slice(start, end) - - for (var i = 0; i < len; ++i) { - if (thisCopy[i] !== targetCopy[i]) { - x = thisCopy[i] - y = targetCopy[i] - break - } - } - - if (x < y) return -1 - if (y < x) return 1 - return 0 -} - -// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, -// OR the last index of `val` in `buffer` at offset <= `byteOffset`. -// -// Arguments: -// - buffer - a Buffer to search -// - val - a string, Buffer, or number -// - byteOffset - an index into `buffer`; will be clamped to an int32 -// - encoding - an optional encoding, relevant is val is a string -// - dir - true for indexOf, false for lastIndexOf -function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) { - // Empty buffer means no match - if (buffer.length === 0) return -1 - - // Normalize byteOffset - if (typeof byteOffset === 'string') { - encoding = byteOffset - byteOffset = 0 - } else if (byteOffset > 0x7fffffff) { - byteOffset = 0x7fffffff - } else if (byteOffset < -0x80000000) { - byteOffset = -0x80000000 - } - byteOffset = +byteOffset // Coerce to Number. - if (numberIsNaN(byteOffset)) { - // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer - byteOffset = dir ? 0 : (buffer.length - 1) - } - - // Normalize byteOffset: negative offsets start from the end of the buffer - if (byteOffset < 0) byteOffset = buffer.length + byteOffset - if (byteOffset >= buffer.length) { - if (dir) return -1 - else byteOffset = buffer.length - 1 - } else if (byteOffset < 0) { - if (dir) byteOffset = 0 - else return -1 - } - - // Normalize val - if (typeof val === 'string') { - val = Buffer.from(val, encoding) - } - - // Finally, search either indexOf (if dir is true) or lastIndexOf - if (Buffer.isBuffer(val)) { - // Special case: looking for empty string/buffer always fails - if (val.length === 0) { - return -1 - } - return arrayIndexOf(buffer, val, byteOffset, encoding, dir) - } else if (typeof val === 'number') { - val = val & 0xFF // Search for a byte value [0-255] - if (typeof Uint8Array.prototype.indexOf === 'function') { - if (dir) { - return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) - } else { - return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) - } - } - return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir) - } - - throw new TypeError('val must be string, number or Buffer') -} - -function arrayIndexOf (arr, val, byteOffset, encoding, dir) { - var indexSize = 1 - var arrLength = arr.length - var valLength = val.length - - if (encoding !== undefined) { - encoding = String(encoding).toLowerCase() - if (encoding === 'ucs2' || encoding === 'ucs-2' || - encoding === 'utf16le' || encoding === 'utf-16le') { - if (arr.length < 2 || val.length < 2) { - return -1 - } - indexSize = 2 - arrLength /= 2 - valLength /= 2 - byteOffset /= 2 - } - } - - function read (buf, i) { - if (indexSize === 1) { - return buf[i] - } else { - return buf.readUInt16BE(i * indexSize) - } - } - - var i - if (dir) { - var foundIndex = -1 - for (i = byteOffset; i < arrLength; i++) { - if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { - if (foundIndex === -1) foundIndex = i - if (i - foundIndex + 1 === valLength) return foundIndex * indexSize - } else { - if (foundIndex !== -1) i -= i - foundIndex - foundIndex = -1 - } - } - } else { - if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength - for (i = byteOffset; i >= 0; i--) { - var found = true - for (var j = 0; j < valLength; j++) { - if (read(arr, i + j) !== read(val, j)) { - found = false - break - } - } - if (found) return i - } - } - - return -1 -} - -Buffer.prototype.includes = function includes (val, byteOffset, encoding) { - return this.indexOf(val, byteOffset, encoding) !== -1 -} - -Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { - return bidirectionalIndexOf(this, val, byteOffset, encoding, true) -} - -Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { - return bidirectionalIndexOf(this, val, byteOffset, encoding, false) -} - -function hexWrite (buf, string, offset, length) { - offset = Number(offset) || 0 - var remaining = buf.length - offset - if (!length) { - length = remaining - } else { - length = Number(length) - if (length > remaining) { - length = remaining - } - } - - var strLen = string.length - - if (length > strLen / 2) { - length = strLen / 2 - } - for (var i = 0; i < length; ++i) { - var parsed = parseInt(string.substr(i * 2, 2), 16) - if (numberIsNaN(parsed)) return i - buf[offset + i] = parsed - } - return i -} - -function utf8Write (buf, string, offset, length) { - return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) -} - -function asciiWrite (buf, string, offset, length) { - return blitBuffer(asciiToBytes(string), buf, offset, length) -} - -function latin1Write (buf, string, offset, length) { - return asciiWrite(buf, string, offset, length) -} - -function base64Write (buf, string, offset, length) { - return blitBuffer(base64ToBytes(string), buf, offset, length) -} - -function ucs2Write (buf, string, offset, length) { - return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) -} - -Buffer.prototype.write = function write (string, offset, length, encoding) { - // Buffer#write(string) - if (offset === undefined) { - encoding = 'utf8' - length = this.length - offset = 0 - // Buffer#write(string, encoding) - } else if (length === undefined && typeof offset === 'string') { - encoding = offset - length = this.length - offset = 0 - // Buffer#write(string, offset[, length][, encoding]) - } else if (isFinite(offset)) { - offset = offset >>> 0 - if (isFinite(length)) { - length = length >>> 0 - if (encoding === undefined) encoding = 'utf8' - } else { - encoding = length - length = undefined - } - } else { - throw new Error( - 'Buffer.write(string, encoding, offset[, length]) is no longer supported' - ) - } - - var remaining = this.length - offset - if (length === undefined || length > remaining) length = remaining - - if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { - throw new RangeError('Attempt to write outside buffer bounds') - } - - if (!encoding) encoding = 'utf8' - - var loweredCase = false - for (;;) { - switch (encoding) { - case 'hex': - return hexWrite(this, string, offset, length) - - case 'utf8': - case 'utf-8': - return utf8Write(this, string, offset, length) - - case 'ascii': - return asciiWrite(this, string, offset, length) - - case 'latin1': - case 'binary': - return latin1Write(this, string, offset, length) - - case 'base64': - // Warning: maxLength not taken into account in base64Write - return base64Write(this, string, offset, length) - - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return ucs2Write(this, string, offset, length) - - default: - if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) - encoding = ('' + encoding).toLowerCase() - loweredCase = true - } - } -} - -Buffer.prototype.toJSON = function toJSON () { - return { - type: 'Buffer', - data: Array.prototype.slice.call(this._arr || this, 0) - } -} - -function base64Slice (buf, start, end) { - if (start === 0 && end === buf.length) { - return base64.fromByteArray(buf) - } else { - return base64.fromByteArray(buf.slice(start, end)) - } -} - -function utf8Slice (buf, start, end) { - end = Math.min(buf.length, end) - var res = [] - - var i = start - while (i < end) { - var firstByte = buf[i] - var codePoint = null - var bytesPerSequence = (firstByte > 0xEF) ? 4 - : (firstByte > 0xDF) ? 3 - : (firstByte > 0xBF) ? 2 - : 1 - - if (i + bytesPerSequence <= end) { - var secondByte, thirdByte, fourthByte, tempCodePoint - - switch (bytesPerSequence) { - case 1: - if (firstByte < 0x80) { - codePoint = firstByte - } - break - case 2: - secondByte = buf[i + 1] - if ((secondByte & 0xC0) === 0x80) { - tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F) - if (tempCodePoint > 0x7F) { - codePoint = tempCodePoint - } - } - break - case 3: - secondByte = buf[i + 1] - thirdByte = buf[i + 2] - if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { - tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F) - if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { - codePoint = tempCodePoint - } - } - break - case 4: - secondByte = buf[i + 1] - thirdByte = buf[i + 2] - fourthByte = buf[i + 3] - if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { - tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F) - if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { - codePoint = tempCodePoint - } - } - } - } - - if (codePoint === null) { - // we did not generate a valid codePoint so insert a - // replacement char (U+FFFD) and advance only 1 byte - codePoint = 0xFFFD - bytesPerSequence = 1 - } else if (codePoint > 0xFFFF) { - // encode to utf16 (surrogate pair dance) - codePoint -= 0x10000 - res.push(codePoint >>> 10 & 0x3FF | 0xD800) - codePoint = 0xDC00 | codePoint & 0x3FF - } - - res.push(codePoint) - i += bytesPerSequence - } - - return decodeCodePointsArray(res) -} - -// Based on http://stackoverflow.com/a/22747272/680742, the browser with -// the lowest limit is Chrome, with 0x10000 args. -// We go 1 magnitude less, for safety -var MAX_ARGUMENTS_LENGTH = 0x1000 - -function decodeCodePointsArray (codePoints) { - var len = codePoints.length - if (len <= MAX_ARGUMENTS_LENGTH) { - return String.fromCharCode.apply(String, codePoints) // avoid extra slice() - } - - // Decode in chunks to avoid "call stack size exceeded". - var res = '' - var i = 0 - while (i < len) { - res += String.fromCharCode.apply( - String, - codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) - ) - } - return res -} - -function asciiSlice (buf, start, end) { - var ret = '' - end = Math.min(buf.length, end) - - for (var i = start; i < end; ++i) { - ret += String.fromCharCode(buf[i] & 0x7F) - } - return ret -} - -function latin1Slice (buf, start, end) { - var ret = '' - end = Math.min(buf.length, end) - - for (var i = start; i < end; ++i) { - ret += String.fromCharCode(buf[i]) - } - return ret -} - -function hexSlice (buf, start, end) { - var len = buf.length - - if (!start || start < 0) start = 0 - if (!end || end < 0 || end > len) end = len - - var out = '' - for (var i = start; i < end; ++i) { - out += toHex(buf[i]) - } - return out -} - -function utf16leSlice (buf, start, end) { - var bytes = buf.slice(start, end) - var res = '' - for (var i = 0; i < bytes.length; i += 2) { - res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256)) - } - return res -} - -Buffer.prototype.slice = function slice (start, end) { - var len = this.length - start = ~~start - end = end === undefined ? len : ~~end - - if (start < 0) { - start += len - if (start < 0) start = 0 - } else if (start > len) { - start = len - } - - if (end < 0) { - end += len - if (end < 0) end = 0 - } else if (end > len) { - end = len - } - - if (end < start) end = start - - var newBuf = this.subarray(start, end) - // Return an augmented `Uint8Array` instance - newBuf.__proto__ = Buffer.prototype - return newBuf -} - -/* - * Need to make sure that buffer isn't trying to write out of bounds. - */ -function checkOffset (offset, ext, length) { - if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') - if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') -} - -Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { - offset = offset >>> 0 - byteLength = byteLength >>> 0 - if (!noAssert) checkOffset(offset, byteLength, this.length) - - var val = this[offset] - var mul = 1 - var i = 0 - while (++i < byteLength && (mul *= 0x100)) { - val += this[offset + i] * mul - } - - return val -} - -Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { - offset = offset >>> 0 - byteLength = byteLength >>> 0 - if (!noAssert) { - checkOffset(offset, byteLength, this.length) - } - - var val = this[offset + --byteLength] - var mul = 1 - while (byteLength > 0 && (mul *= 0x100)) { - val += this[offset + --byteLength] * mul - } - - return val -} - -Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 1, this.length) - return this[offset] -} - -Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 2, this.length) - return this[offset] | (this[offset + 1] << 8) -} - -Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 2, this.length) - return (this[offset] << 8) | this[offset + 1] -} - -Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 4, this.length) - - return ((this[offset]) | - (this[offset + 1] << 8) | - (this[offset + 2] << 16)) + - (this[offset + 3] * 0x1000000) -} - -Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 4, this.length) - - return (this[offset] * 0x1000000) + - ((this[offset + 1] << 16) | - (this[offset + 2] << 8) | - this[offset + 3]) -} - -Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { - offset = offset >>> 0 - byteLength = byteLength >>> 0 - if (!noAssert) checkOffset(offset, byteLength, this.length) - - var val = this[offset] - var mul = 1 - var i = 0 - while (++i < byteLength && (mul *= 0x100)) { - val += this[offset + i] * mul - } - mul *= 0x80 - - if (val >= mul) val -= Math.pow(2, 8 * byteLength) - - return val -} - -Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { - offset = offset >>> 0 - byteLength = byteLength >>> 0 - if (!noAssert) checkOffset(offset, byteLength, this.length) - - var i = byteLength - var mul = 1 - var val = this[offset + --i] - while (i > 0 && (mul *= 0x100)) { - val += this[offset + --i] * mul - } - mul *= 0x80 - - if (val >= mul) val -= Math.pow(2, 8 * byteLength) - - return val -} - -Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 1, this.length) - if (!(this[offset] & 0x80)) return (this[offset]) - return ((0xff - this[offset] + 1) * -1) -} - -Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 2, this.length) - var val = this[offset] | (this[offset + 1] << 8) - return (val & 0x8000) ? val | 0xFFFF0000 : val -} - -Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 2, this.length) - var val = this[offset + 1] | (this[offset] << 8) - return (val & 0x8000) ? val | 0xFFFF0000 : val -} - -Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 4, this.length) - - return (this[offset]) | - (this[offset + 1] << 8) | - (this[offset + 2] << 16) | - (this[offset + 3] << 24) -} - -Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 4, this.length) - - return (this[offset] << 24) | - (this[offset + 1] << 16) | - (this[offset + 2] << 8) | - (this[offset + 3]) -} - -Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 4, this.length) - return ieee754.read(this, offset, true, 23, 4) -} - -Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 4, this.length) - return ieee754.read(this, offset, false, 23, 4) -} - -Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 8, this.length) - return ieee754.read(this, offset, true, 52, 8) -} - -Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { - offset = offset >>> 0 - if (!noAssert) checkOffset(offset, 8, this.length) - return ieee754.read(this, offset, false, 52, 8) -} - -function checkInt (buf, value, offset, ext, max, min) { - if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance') - if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') - if (offset + ext > buf.length) throw new RangeError('Index out of range') -} - -Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { - value = +value - offset = offset >>> 0 - byteLength = byteLength >>> 0 - if (!noAssert) { - var maxBytes = Math.pow(2, 8 * byteLength) - 1 - checkInt(this, value, offset, byteLength, maxBytes, 0) - } - - var mul = 1 - var i = 0 - this[offset] = value & 0xFF - while (++i < byteLength && (mul *= 0x100)) { - this[offset + i] = (value / mul) & 0xFF - } - - return offset + byteLength -} - -Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { - value = +value - offset = offset >>> 0 - byteLength = byteLength >>> 0 - if (!noAssert) { - var maxBytes = Math.pow(2, 8 * byteLength) - 1 - checkInt(this, value, offset, byteLength, maxBytes, 0) - } - - var i = byteLength - 1 - var mul = 1 - this[offset + i] = value & 0xFF - while (--i >= 0 && (mul *= 0x100)) { - this[offset + i] = (value / mul) & 0xFF - } - - return offset + byteLength -} - -Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0) - this[offset] = (value & 0xff) - return offset + 1 -} - -Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) - this[offset] = (value & 0xff) - this[offset + 1] = (value >>> 8) - return offset + 2 -} - -Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) - this[offset] = (value >>> 8) - this[offset + 1] = (value & 0xff) - return offset + 2 -} - -Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) - this[offset + 3] = (value >>> 24) - this[offset + 2] = (value >>> 16) - this[offset + 1] = (value >>> 8) - this[offset] = (value & 0xff) - return offset + 4 -} - -Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) - this[offset] = (value >>> 24) - this[offset + 1] = (value >>> 16) - this[offset + 2] = (value >>> 8) - this[offset + 3] = (value & 0xff) - return offset + 4 -} - -Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) { - var limit = Math.pow(2, (8 * byteLength) - 1) - - checkInt(this, value, offset, byteLength, limit - 1, -limit) - } - - var i = 0 - var mul = 1 - var sub = 0 - this[offset] = value & 0xFF - while (++i < byteLength && (mul *= 0x100)) { - if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { - sub = 1 - } - this[offset + i] = ((value / mul) >> 0) - sub & 0xFF - } - - return offset + byteLength -} - -Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) { - var limit = Math.pow(2, (8 * byteLength) - 1) - - checkInt(this, value, offset, byteLength, limit - 1, -limit) - } - - var i = byteLength - 1 - var mul = 1 - var sub = 0 - this[offset + i] = value & 0xFF - while (--i >= 0 && (mul *= 0x100)) { - if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { - sub = 1 - } - this[offset + i] = ((value / mul) >> 0) - sub & 0xFF - } - - return offset + byteLength -} - -Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80) - if (value < 0) value = 0xff + value + 1 - this[offset] = (value & 0xff) - return offset + 1 -} - -Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) - this[offset] = (value & 0xff) - this[offset + 1] = (value >>> 8) - return offset + 2 -} - -Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) - this[offset] = (value >>> 8) - this[offset + 1] = (value & 0xff) - return offset + 2 -} - -Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) - this[offset] = (value & 0xff) - this[offset + 1] = (value >>> 8) - this[offset + 2] = (value >>> 16) - this[offset + 3] = (value >>> 24) - return offset + 4 -} - -Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) - if (value < 0) value = 0xffffffff + value + 1 - this[offset] = (value >>> 24) - this[offset + 1] = (value >>> 16) - this[offset + 2] = (value >>> 8) - this[offset + 3] = (value & 0xff) - return offset + 4 -} - -function checkIEEE754 (buf, value, offset, ext, max, min) { - if (offset + ext > buf.length) throw new RangeError('Index out of range') - if (offset < 0) throw new RangeError('Index out of range') -} - -function writeFloat (buf, value, offset, littleEndian, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) { - checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38) - } - ieee754.write(buf, value, offset, littleEndian, 23, 4) - return offset + 4 -} - -Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { - return writeFloat(this, value, offset, true, noAssert) -} - -Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { - return writeFloat(this, value, offset, false, noAssert) -} - -function writeDouble (buf, value, offset, littleEndian, noAssert) { - value = +value - offset = offset >>> 0 - if (!noAssert) { - checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308) - } - ieee754.write(buf, value, offset, littleEndian, 52, 8) - return offset + 8 -} - -Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { - return writeDouble(this, value, offset, true, noAssert) -} - -Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { - return writeDouble(this, value, offset, false, noAssert) -} - -// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) -Buffer.prototype.copy = function copy (target, targetStart, start, end) { - if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer') - if (!start) start = 0 - if (!end && end !== 0) end = this.length - if (targetStart >= target.length) targetStart = target.length - if (!targetStart) targetStart = 0 - if (end > 0 && end < start) end = start - - // Copy 0 bytes; we're done - if (end === start) return 0 - if (target.length === 0 || this.length === 0) return 0 - - // Fatal error conditions - if (targetStart < 0) { - throw new RangeError('targetStart out of bounds') - } - if (start < 0 || start >= this.length) throw new RangeError('Index out of range') - if (end < 0) throw new RangeError('sourceEnd out of bounds') - - // Are we oob? - if (end > this.length) end = this.length - if (target.length - targetStart < end - start) { - end = target.length - targetStart + start - } - - var len = end - start - - if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') { - // Use built-in when available, missing from IE11 - this.copyWithin(targetStart, start, end) - } else if (this === target && start < targetStart && targetStart < end) { - // descending copy from end - for (var i = len - 1; i >= 0; --i) { - target[i + targetStart] = this[i + start] - } - } else { - Uint8Array.prototype.set.call( - target, - this.subarray(start, end), - targetStart - ) - } - - return len -} - -// Usage: -// buffer.fill(number[, offset[, end]]) -// buffer.fill(buffer[, offset[, end]]) -// buffer.fill(string[, offset[, end]][, encoding]) -Buffer.prototype.fill = function fill (val, start, end, encoding) { - // Handle string cases: - if (typeof val === 'string') { - if (typeof start === 'string') { - encoding = start - start = 0 - end = this.length - } else if (typeof end === 'string') { - encoding = end - end = this.length - } - if (encoding !== undefined && typeof encoding !== 'string') { - throw new TypeError('encoding must be a string') - } - if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { - throw new TypeError('Unknown encoding: ' + encoding) - } - if (val.length === 1) { - var code = val.charCodeAt(0) - if ((encoding === 'utf8' && code < 128) || - encoding === 'latin1') { - // Fast path: If `val` fits into a single byte, use that numeric value. - val = code - } - } - } else if (typeof val === 'number') { - val = val & 255 - } - - // Invalid ranges are not set to a default, so can range check early. - if (start < 0 || this.length < start || this.length < end) { - throw new RangeError('Out of range index') - } - - if (end <= start) { - return this - } - - start = start >>> 0 - end = end === undefined ? this.length : end >>> 0 - - if (!val) val = 0 - - var i - if (typeof val === 'number') { - for (i = start; i < end; ++i) { - this[i] = val - } - } else { - var bytes = Buffer.isBuffer(val) - ? val - : Buffer.from(val, encoding) - var len = bytes.length - if (len === 0) { - throw new TypeError('The value "' + val + - '" is invalid for argument "value"') - } - for (i = 0; i < end - start; ++i) { - this[i + start] = bytes[i % len] - } - } - - return this -} - -// HELPER FUNCTIONS -// ================ - -var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g - -function base64clean (str) { - // Node takes equal signs as end of the Base64 encoding - str = str.split('=')[0] - // Node strips out invalid characters like \n and \t from the string, base64-js does not - str = str.trim().replace(INVALID_BASE64_RE, '') - // Node converts strings with length < 2 to '' - if (str.length < 2) return '' - // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not - while (str.length % 4 !== 0) { - str = str + '=' - } - return str -} - -function toHex (n) { - if (n < 16) return '0' + n.toString(16) - return n.toString(16) -} - -function utf8ToBytes (string, units) { - units = units || Infinity - var codePoint - var length = string.length - var leadSurrogate = null - var bytes = [] - - for (var i = 0; i < length; ++i) { - codePoint = string.charCodeAt(i) - - // is surrogate component - if (codePoint > 0xD7FF && codePoint < 0xE000) { - // last char was a lead - if (!leadSurrogate) { - // no lead yet - if (codePoint > 0xDBFF) { - // unexpected trail - if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) - continue - } else if (i + 1 === length) { - // unpaired lead - if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) - continue - } - - // valid lead - leadSurrogate = codePoint - - continue - } - - // 2 leads in a row - if (codePoint < 0xDC00) { - if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) - leadSurrogate = codePoint - continue - } - - // valid surrogate pair - codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000 - } else if (leadSurrogate) { - // valid bmp char, but last char was a lead - if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) - } - - leadSurrogate = null - - // encode utf8 - if (codePoint < 0x80) { - if ((units -= 1) < 0) break - bytes.push(codePoint) - } else if (codePoint < 0x800) { - if ((units -= 2) < 0) break - bytes.push( - codePoint >> 0x6 | 0xC0, - codePoint & 0x3F | 0x80 - ) - } else if (codePoint < 0x10000) { - if ((units -= 3) < 0) break - bytes.push( - codePoint >> 0xC | 0xE0, - codePoint >> 0x6 & 0x3F | 0x80, - codePoint & 0x3F | 0x80 - ) - } else if (codePoint < 0x110000) { - if ((units -= 4) < 0) break - bytes.push( - codePoint >> 0x12 | 0xF0, - codePoint >> 0xC & 0x3F | 0x80, - codePoint >> 0x6 & 0x3F | 0x80, - codePoint & 0x3F | 0x80 - ) - } else { - throw new Error('Invalid code point') - } - } - - return bytes -} - -function asciiToBytes (str) { - var byteArray = [] - for (var i = 0; i < str.length; ++i) { - // Node's code seems to be doing this and not & 0x7F.. - byteArray.push(str.charCodeAt(i) & 0xFF) - } - return byteArray -} - -function utf16leToBytes (str, units) { - var c, hi, lo - var byteArray = [] - for (var i = 0; i < str.length; ++i) { - if ((units -= 2) < 0) break - - c = str.charCodeAt(i) - hi = c >> 8 - lo = c % 256 - byteArray.push(lo) - byteArray.push(hi) - } - - return byteArray -} - -function base64ToBytes (str) { - return base64.toByteArray(base64clean(str)) -} - -function blitBuffer (src, dst, offset, length) { - for (var i = 0; i < length; ++i) { - if ((i + offset >= dst.length) || (i >= src.length)) break - dst[i + offset] = src[i] - } - return i -} - -// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass -// the `instanceof` check but they should be treated as of that type. -// See: https://github.com/feross/buffer/issues/166 -function isInstance (obj, type) { - return obj instanceof type || - (obj != null && obj.constructor != null && obj.constructor.name != null && - obj.constructor.name === type.name) -} -function numberIsNaN (obj) { - // For IE11 support - return obj !== obj // eslint-disable-line no-self-compare -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"base64-js":18,"buffer":110,"ieee754":227}],111:[function(require,module,exports){ -(function (Buffer){(function (){ -function allocUnsafe (size) { - if (typeof size !== 'number') { - throw new TypeError('"size" argument must be a number') - } - - if (size < 0) { - throw new RangeError('"size" argument must not be negative') - } - - if (Buffer.allocUnsafe) { - return Buffer.allocUnsafe(size) - } else { - return new Buffer(size) - } -} - -module.exports = allocUnsafe - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],112:[function(require,module,exports){ -(function (Buffer){(function (){ -var bufferFill = require('buffer-fill') -var allocUnsafe = require('buffer-alloc-unsafe') - -module.exports = function alloc (size, fill, encoding) { - if (typeof size !== 'number') { - throw new TypeError('"size" argument must be a number') - } - - if (size < 0) { - throw new RangeError('"size" argument must not be negative') - } - - if (Buffer.alloc) { - return Buffer.alloc(size, fill, encoding) - } - - var buffer = allocUnsafe(size) - - if (size === 0) { - return buffer - } - - if (fill === undefined) { - return bufferFill(buffer, 0) - } - - if (typeof encoding !== 'string') { - encoding = undefined - } - - return bufferFill(buffer, fill, encoding) -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"buffer-alloc-unsafe":111,"buffer-fill":113}],113:[function(require,module,exports){ -(function (Buffer){(function (){ -/* Node.js 6.4.0 and up has full support */ -var hasFullSupport = (function () { - try { - if (!Buffer.isEncoding('latin1')) { - return false - } - - var buf = Buffer.alloc ? Buffer.alloc(4) : new Buffer(4) - - buf.fill('ab', 'ucs2') - - return (buf.toString('hex') === '61006200') - } catch (_) { - return false - } -}()) - -function isSingleByte (val) { - return (val.length === 1 && val.charCodeAt(0) < 256) -} - -function fillWithNumber (buffer, val, start, end) { - if (start < 0 || end > buffer.length) { - throw new RangeError('Out of range index') - } - - start = start >>> 0 - end = end === undefined ? buffer.length : end >>> 0 - - if (end > start) { - buffer.fill(val, start, end) - } - - return buffer -} - -function fillWithBuffer (buffer, val, start, end) { - if (start < 0 || end > buffer.length) { - throw new RangeError('Out of range index') - } - - if (end <= start) { - return buffer - } - - start = start >>> 0 - end = end === undefined ? buffer.length : end >>> 0 - - var pos = start - var len = val.length - while (pos <= (end - len)) { - val.copy(buffer, pos) - pos += len - } - - if (pos !== end) { - val.copy(buffer, pos, 0, end - pos) - } - - return buffer -} - -function fill (buffer, val, start, end, encoding) { - if (hasFullSupport) { - return buffer.fill(val, start, end, encoding) - } - - if (typeof val === 'number') { - return fillWithNumber(buffer, val, start, end) - } - - if (typeof val === 'string') { - if (typeof start === 'string') { - encoding = start - start = 0 - end = buffer.length - } else if (typeof end === 'string') { - encoding = end - end = buffer.length - } - - if (encoding !== undefined && typeof encoding !== 'string') { - throw new TypeError('encoding must be a string') - } - - if (encoding === 'latin1') { - encoding = 'binary' - } - - if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { - throw new TypeError('Unknown encoding: ' + encoding) - } - - if (val === '') { - return fillWithNumber(buffer, 0, start, end) - } - - if (isSingleByte(val)) { - return fillWithNumber(buffer, val.charCodeAt(0), start, end) - } - - val = new Buffer(val, encoding) - } - - if (Buffer.isBuffer(val)) { - return fillWithBuffer(buffer, val, start, end) - } - - // Other values (e.g. undefined, boolean, object) results in zero-fill - return fillWithNumber(buffer, 0, start, end) -} - -module.exports = fill - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],114:[function(require,module,exports){ -(function (Buffer){(function (){ -module.exports = function xor (a, b) { - var length = Math.min(a.length, b.length) - var buffer = new Buffer(length) - - for (var i = 0; i < length; ++i) { - buffer[i] = a[i] ^ b[i] - } - - return buffer -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],115:[function(require,module,exports){ -module.exports = { - "100": "Continue", - "101": "Switching Protocols", - "102": "Processing", - "200": "OK", - "201": "Created", - "202": "Accepted", - "203": "Non-Authoritative Information", - "204": "No Content", - "205": "Reset Content", - "206": "Partial Content", - "207": "Multi-Status", - "208": "Already Reported", - "226": "IM Used", - "300": "Multiple Choices", - "301": "Moved Permanently", - "302": "Found", - "303": "See Other", - "304": "Not Modified", - "305": "Use Proxy", - "307": "Temporary Redirect", - "308": "Permanent Redirect", - "400": "Bad Request", - "401": "Unauthorized", - "402": "Payment Required", - "403": "Forbidden", - "404": "Not Found", - "405": "Method Not Allowed", - "406": "Not Acceptable", - "407": "Proxy Authentication Required", - "408": "Request Timeout", - "409": "Conflict", - "410": "Gone", - "411": "Length Required", - "412": "Precondition Failed", - "413": "Payload Too Large", - "414": "URI Too Long", - "415": "Unsupported Media Type", - "416": "Range Not Satisfiable", - "417": "Expectation Failed", - "418": "I'm a teapot", - "421": "Misdirected Request", - "422": "Unprocessable Entity", - "423": "Locked", - "424": "Failed Dependency", - "425": "Unordered Collection", - "426": "Upgrade Required", - "428": "Precondition Required", - "429": "Too Many Requests", - "431": "Request Header Fields Too Large", - "451": "Unavailable For Legal Reasons", - "500": "Internal Server Error", - "501": "Not Implemented", - "502": "Bad Gateway", - "503": "Service Unavailable", - "504": "Gateway Timeout", - "505": "HTTP Version Not Supported", - "506": "Variant Also Negotiates", - "507": "Insufficient Storage", - "508": "Loop Detected", - "509": "Bandwidth Limit Exceeded", - "510": "Not Extended", - "511": "Network Authentication Required" -} - -},{}],116:[function(require,module,exports){ -/*! - * bytes - * Copyright(c) 2012-2014 TJ Holowaychuk - * Copyright(c) 2015 Jed Watson - * MIT Licensed - */ - -'use strict'; - -/** - * Module exports. - * @public - */ - -module.exports = bytes; -module.exports.format = format; -module.exports.parse = parse; - -/** - * Module variables. - * @private - */ - -var formatThousandsRegExp = /\B(?=(\d{3})+(?!\d))/g; - -var formatDecimalsRegExp = /(?:\.0*|(\.[^0]+)0+)$/; - -var map = { - b: 1, - kb: 1 << 10, - mb: 1 << 20, - gb: 1 << 30, - tb: Math.pow(1024, 4), - pb: Math.pow(1024, 5), -}; - -var parseRegExp = /^((-|\+)?(\d+(?:\.\d+)?)) *(kb|mb|gb|tb|pb)$/i; - -/** - * Convert the given value in bytes into a string or parse to string to an integer in bytes. - * - * @param {string|number} value - * @param {{ - * case: [string], - * decimalPlaces: [number] - * fixedDecimals: [boolean] - * thousandsSeparator: [string] - * unitSeparator: [string] - * }} [options] bytes options. - * - * @returns {string|number|null} - */ - -function bytes(value, options) { - if (typeof value === 'string') { - return parse(value); - } - - if (typeof value === 'number') { - return format(value, options); - } - - return null; -} - -/** - * Format the given value in bytes into a string. - * - * If the value is negative, it is kept as such. If it is a float, - * it is rounded. - * - * @param {number} value - * @param {object} [options] - * @param {number} [options.decimalPlaces=2] - * @param {number} [options.fixedDecimals=false] - * @param {string} [options.thousandsSeparator=] - * @param {string} [options.unit=] - * @param {string} [options.unitSeparator=] - * - * @returns {string|null} - * @public - */ - -function format(value, options) { - if (!Number.isFinite(value)) { - return null; - } - - var mag = Math.abs(value); - var thousandsSeparator = (options && options.thousandsSeparator) || ''; - var unitSeparator = (options && options.unitSeparator) || ''; - var decimalPlaces = (options && options.decimalPlaces !== undefined) ? options.decimalPlaces : 2; - var fixedDecimals = Boolean(options && options.fixedDecimals); - var unit = (options && options.unit) || ''; - - if (!unit || !map[unit.toLowerCase()]) { - if (mag >= map.pb) { - unit = 'PB'; - } else if (mag >= map.tb) { - unit = 'TB'; - } else if (mag >= map.gb) { - unit = 'GB'; - } else if (mag >= map.mb) { - unit = 'MB'; - } else if (mag >= map.kb) { - unit = 'KB'; - } else { - unit = 'B'; - } - } - - var val = value / map[unit.toLowerCase()]; - var str = val.toFixed(decimalPlaces); - - if (!fixedDecimals) { - str = str.replace(formatDecimalsRegExp, '$1'); - } - - if (thousandsSeparator) { - str = str.split('.').map(function (s, i) { - return i === 0 - ? s.replace(formatThousandsRegExp, thousandsSeparator) - : s - }).join('.'); - } - - return str + unitSeparator + unit; -} - -/** - * Parse the string value into an integer in bytes. - * - * If no unit is given, it is assumed the value is in bytes. - * - * @param {number|string} val - * - * @returns {number|null} - * @public - */ - -function parse(val) { - if (typeof val === 'number' && !isNaN(val)) { - return val; - } - - if (typeof val !== 'string') { - return null; - } - - // Test if the string passed is valid - var results = parseRegExp.exec(val); - var floatValue; - var unit = 'b'; - - if (!results) { - // Nothing could be extracted from the given string - floatValue = parseInt(val, 10); - unit = 'b' - } else { - // Retrieve the value and the unit - floatValue = parseFloat(results[1]); - unit = results[4].toLowerCase(); - } - - if (isNaN(floatValue)) { - return null; - } - - return Math.floor(map[unit] * floatValue); -} - -},{}],117:[function(require,module,exports){ -/*! cache-chunk-store. MIT License. Feross Aboukhadijeh */ -const LRU = require('lru') -const queueMicrotask = require('queue-microtask') - -class CacheStore { - constructor (store, opts) { - this.store = store - this.chunkLength = store.chunkLength - this.inProgressGets = new Map() // Map from chunk index to info on callbacks waiting for that chunk - - if (!this.store || !this.store.get || !this.store.put) { - throw new Error('First argument must be abstract-chunk-store compliant') - } - - this.cache = new LRU(opts) - } - - put (index, buf, cb = () => {}) { - if (!this.cache) { - return queueMicrotask(() => cb(new Error('CacheStore closed'))) - } - - this.cache.remove(index) - this.store.put(index, buf, cb) - } - - get (index, opts, cb = () => {}) { - if (typeof opts === 'function') return this.get(index, null, opts) - - if (!this.cache) { - return queueMicrotask(() => cb(new Error('CacheStore closed'))) - } - - if (!opts) opts = {} - - let buf = this.cache.get(index) - if (buf) { - const offset = opts.offset || 0 - const len = opts.length || (buf.length - offset) - if (offset !== 0 || len !== buf.length) { - buf = buf.slice(offset, len + offset) - } - return queueMicrotask(() => cb(null, buf)) - } - - // See if a get for this index has already started - let waiters = this.inProgressGets.get(index) - const getAlreadyStarted = !!waiters - if (!waiters) { - waiters = [] - this.inProgressGets.set(index, waiters) - } - - waiters.push({ - opts, - cb - }) - - if (!getAlreadyStarted) { - this.store.get(index, (err, buf) => { - if (!err && this.cache != null) this.cache.set(index, buf) - - const inProgressEntry = this.inProgressGets.get(index) - this.inProgressGets.delete(index) - - for (const { opts, cb } of inProgressEntry) { - if (err) { - cb(err) - } else { - const offset = opts.offset || 0 - const len = opts.length || (buf.length - offset) - let slicedBuf = buf - if (offset !== 0 || len !== buf.length) { - slicedBuf = buf.slice(offset, len + offset) - } - cb(null, slicedBuf) - } - } - }) - } - } - - close (cb = () => {}) { - if (!this.cache) { - return queueMicrotask(() => cb(new Error('CacheStore closed'))) - } - - this.cache = null - this.store.close(cb) - } - - destroy (cb = () => {}) { - if (!this.cache) { - return queueMicrotask(() => cb(new Error('CacheStore closed'))) - } - - this.cache = null - this.store.destroy(cb) - } -} - -module.exports = CacheStore - -},{"lru":238,"queue-microtask":327}],118:[function(require,module,exports){ -'use strict'; - -var GetIntrinsic = require('get-intrinsic'); - -var callBind = require('./'); - -var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf')); - -module.exports = function callBoundIntrinsic(name, allowMissing) { - var intrinsic = GetIntrinsic(name, !!allowMissing); - if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) { - return callBind(intrinsic); - } - return intrinsic; -}; - -},{"./":119,"get-intrinsic":190}],119:[function(require,module,exports){ -'use strict'; - -var bind = require('function-bind'); -var GetIntrinsic = require('get-intrinsic'); -var setFunctionLength = require('set-function-length'); - -var $TypeError = GetIntrinsic('%TypeError%'); -var $apply = GetIntrinsic('%Function.prototype.apply%'); -var $call = GetIntrinsic('%Function.prototype.call%'); -var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply); - -var $defineProperty = GetIntrinsic('%Object.defineProperty%', true); -var $max = GetIntrinsic('%Math.max%'); - -if ($defineProperty) { - try { - $defineProperty({}, 'a', { value: 1 }); - } catch (e) { - // IE 8 has a broken defineProperty - $defineProperty = null; - } -} - -module.exports = function callBind(originalFunction) { - if (typeof originalFunction !== 'function') { - throw new $TypeError('a function is required'); - } - var func = $reflectApply(bind, $call, arguments); - return setFunctionLength( - func, - 1 + $max(0, originalFunction.length - (arguments.length - 1)), - true - ); -}; - -var applyBind = function applyBind() { - return $reflectApply(bind, $apply, arguments); -}; - -if ($defineProperty) { - $defineProperty(module.exports, 'apply', { value: applyBind }); -} else { - module.exports.apply = applyBind; -} - -},{"function-bind":188,"get-intrinsic":190,"set-function-length":358}],120:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],121:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":123,"./_stream_writable":125,"_process":309,"dup":29,"inherits":229}],122:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":124,"dup":30,"inherits":229}],123:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":120,"./_stream_duplex":121,"./internal/streams/async_iterator":126,"./internal/streams/buffer_list":127,"./internal/streams/destroy":128,"./internal/streams/from":130,"./internal/streams/state":132,"./internal/streams/stream":133,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],124:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":120,"./_stream_duplex":121,"dup":32,"inherits":229}],125:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":120,"./_stream_duplex":121,"./internal/streams/destroy":128,"./internal/streams/state":132,"./internal/streams/stream":133,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],126:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":129,"_process":309,"dup":34}],127:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],128:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],129:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":120,"dup":37}],130:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],131:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":120,"./end-of-stream":129,"dup":39}],132:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":120,"dup":40}],133:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],134:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":121,"./lib/_stream_passthrough.js":122,"./lib/_stream_readable.js":123,"./lib/_stream_transform.js":124,"./lib/_stream_writable.js":125,"./lib/internal/streams/end-of-stream.js":129,"./lib/internal/streams/pipeline.js":131,"dup":42}],135:[function(require,module,exports){ -const BlockStream = require('block-stream2') -const stream = require('readable-stream') - -class ChunkStoreWriteStream extends stream.Writable { - constructor (store, chunkLength, opts = {}) { - super(opts) - - if (!store || !store.put || !store.get) { - throw new Error('First argument must be an abstract-chunk-store compliant store') - } - chunkLength = Number(chunkLength) - if (!chunkLength) throw new Error('Second argument must be a chunk length') - - const zeroPadding = opts.zeroPadding === undefined ? false : opts.zeroPadding - this._blockstream = new BlockStream(chunkLength, { ...opts, zeroPadding }) - this._outstandingPuts = 0 - this._storeMaxOutstandingPuts = opts.storeMaxOutstandingPuts || 16 - - let index = 0 - const onData = chunk => { - if (this.destroyed) return - - this._outstandingPuts += 1 - if (this._outstandingPuts >= this._storeMaxOutstandingPuts) { - this._blockstream.pause() - } - store.put(index, chunk, (err) => { - if (err) return this.destroy(err) - this._outstandingPuts -= 1 - if (this._outstandingPuts < this._storeMaxOutstandingPuts) { - this._blockstream.resume() - } - if (this._outstandingPuts === 0 && typeof this._finalCb === 'function') { - this._finalCb(null) - this._finalCb = null - } - }) - index += 1 - } - - this._blockstream - .on('data', onData) - .on('error', err => { this.destroy(err) }) - } - - _write (chunk, encoding, callback) { - this._blockstream.write(chunk, encoding, callback) - } - - _final (cb) { - this._blockstream.end() - this._blockstream.once('end', () => { - if (this._outstandingPuts === 0) cb(null) - else this._finalCb = cb - }) - } - - destroy (err) { - if (this.destroyed) return - this.destroyed = true - - if (err) this.emit('error', err) - this.emit('close') - } -} - -module.exports = ChunkStoreWriteStream - -},{"block-stream2":49,"readable-stream":134}],136:[function(require,module,exports){ -var Buffer = require('safe-buffer').Buffer -var Transform = require('stream').Transform -var StringDecoder = require('string_decoder').StringDecoder -var inherits = require('inherits') - -function CipherBase (hashMode) { - Transform.call(this) - this.hashMode = typeof hashMode === 'string' - if (this.hashMode) { - this[hashMode] = this._finalOrDigest - } else { - this.final = this._finalOrDigest - } - if (this._final) { - this.__final = this._final - this._final = null - } - this._decoder = null - this._encoding = null -} -inherits(CipherBase, Transform) - -CipherBase.prototype.update = function (data, inputEnc, outputEnc) { - if (typeof data === 'string') { - data = Buffer.from(data, inputEnc) - } - - var outData = this._update(data) - if (this.hashMode) return this - - if (outputEnc) { - outData = this._toString(outData, outputEnc) - } - - return outData -} - -CipherBase.prototype.setAutoPadding = function () {} -CipherBase.prototype.getAuthTag = function () { - throw new Error('trying to get auth tag in unsupported state') -} - -CipherBase.prototype.setAuthTag = function () { - throw new Error('trying to set auth tag in unsupported state') -} - -CipherBase.prototype.setAAD = function () { - throw new Error('trying to set aad in unsupported state') -} - -CipherBase.prototype._transform = function (data, _, next) { - var err - try { - if (this.hashMode) { - this._update(data) - } else { - this.push(this._update(data)) - } - } catch (e) { - err = e - } finally { - next(err) - } -} -CipherBase.prototype._flush = function (done) { - var err - try { - this.push(this.__final()) - } catch (e) { - err = e - } - - done(err) -} -CipherBase.prototype._finalOrDigest = function (outputEnc) { - var outData = this.__final() || Buffer.alloc(0) - if (outputEnc) { - outData = this._toString(outData, outputEnc, true) - } - return outData -} - -CipherBase.prototype._toString = function (value, enc, fin) { - if (!this._decoder) { - this._decoder = new StringDecoder(enc) - this._encoding = enc - } - - if (this._encoding !== enc) throw new Error('can\'t switch encodings') - - var out = this._decoder.write(value) - if (fin) { - out += this._decoder.end() - } - - return out -} - -module.exports = CipherBase - -},{"inherits":229,"safe-buffer":356,"stream":409,"string_decoder":447}],137:[function(require,module,exports){ -/*! - * clipboard.js v2.0.11 - * https://clipboardjs.com/ - * - * Licensed MIT © Zeno Rocha - */ -(function webpackUniversalModuleDefinition(root, factory) { - if(typeof exports === 'object' && typeof module === 'object') - module.exports = factory(); - else if(typeof define === 'function' && define.amd) - define([], factory); - else if(typeof exports === 'object') - exports["ClipboardJS"] = factory(); - else - root["ClipboardJS"] = factory(); -})(this, function() { -return /******/ (function() { // webpackBootstrap -/******/ var __webpack_modules__ = ({ - -/***/ 686: -/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) { - -"use strict"; - -// EXPORTS -__webpack_require__.d(__webpack_exports__, { - "default": function() { return /* binding */ clipboard; } -}); - -// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js -var tiny_emitter = __webpack_require__(279); -var tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter); -// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js -var listen = __webpack_require__(370); -var listen_default = /*#__PURE__*/__webpack_require__.n(listen); -// EXTERNAL MODULE: ./node_modules/select/src/select.js -var src_select = __webpack_require__(817); -var select_default = /*#__PURE__*/__webpack_require__.n(src_select); -;// CONCATENATED MODULE: ./src/common/command.js -/** - * Executes a given operation type. - * @param {String} type - * @return {Boolean} - */ -function command(type) { - try { - return document.execCommand(type); - } catch (err) { - return false; - } -} -;// CONCATENATED MODULE: ./src/actions/cut.js - - -/** - * Cut action wrapper. - * @param {String|HTMLElement} target - * @return {String} - */ - -var ClipboardActionCut = function ClipboardActionCut(target) { - var selectedText = select_default()(target); - command('cut'); - return selectedText; -}; - -/* harmony default export */ var actions_cut = (ClipboardActionCut); -;// CONCATENATED MODULE: ./src/common/create-fake-element.js -/** - * Creates a fake textarea element with a value. - * @param {String} value - * @return {HTMLElement} - */ -function createFakeElement(value) { - var isRTL = document.documentElement.getAttribute('dir') === 'rtl'; - var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS - - fakeElement.style.fontSize = '12pt'; // Reset box model - - fakeElement.style.border = '0'; - fakeElement.style.padding = '0'; - fakeElement.style.margin = '0'; // Move element out of screen horizontally - - fakeElement.style.position = 'absolute'; - fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically - - var yPosition = window.pageYOffset || document.documentElement.scrollTop; - fakeElement.style.top = "".concat(yPosition, "px"); - fakeElement.setAttribute('readonly', ''); - fakeElement.value = value; - return fakeElement; -} -;// CONCATENATED MODULE: ./src/actions/copy.js - - - -/** - * Create fake copy action wrapper using a fake element. - * @param {String} target - * @param {Object} options - * @return {String} - */ - -var fakeCopyAction = function fakeCopyAction(value, options) { - var fakeElement = createFakeElement(value); - options.container.appendChild(fakeElement); - var selectedText = select_default()(fakeElement); - command('copy'); - fakeElement.remove(); - return selectedText; -}; -/** - * Copy action wrapper. - * @param {String|HTMLElement} target - * @param {Object} options - * @return {String} - */ - - -var ClipboardActionCopy = function ClipboardActionCopy(target) { - var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : { - container: document.body - }; - var selectedText = ''; - - if (typeof target === 'string') { - selectedText = fakeCopyAction(target, options); - } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) { - // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange - selectedText = fakeCopyAction(target.value, options); - } else { - selectedText = select_default()(target); - command('copy'); - } - - return selectedText; -}; - -/* harmony default export */ var actions_copy = (ClipboardActionCopy); -;// CONCATENATED MODULE: ./src/actions/default.js -function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } - - - -/** - * Inner function which performs selection from either `text` or `target` - * properties and then executes copy or cut operations. - * @param {Object} options - */ - -var ClipboardActionDefault = function ClipboardActionDefault() { - var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - // Defines base properties passed from constructor. - var _options$action = options.action, - action = _options$action === void 0 ? 'copy' : _options$action, - container = options.container, - target = options.target, - text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'. - - if (action !== 'copy' && action !== 'cut') { - throw new Error('Invalid "action" value, use either "copy" or "cut"'); - } // Sets the `target` property using an element that will be have its content copied. - - - if (target !== undefined) { - if (target && _typeof(target) === 'object' && target.nodeType === 1) { - if (action === 'copy' && target.hasAttribute('disabled')) { - throw new Error('Invalid "target" attribute. Please use "readonly" instead of "disabled" attribute'); - } - - if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) { - throw new Error('Invalid "target" attribute. You can\'t cut text from elements with "readonly" or "disabled" attributes'); - } - } else { - throw new Error('Invalid "target" value, use a valid Element'); - } - } // Define selection strategy based on `text` property. - - - if (text) { - return actions_copy(text, { - container: container - }); - } // Defines which selection strategy based on `target` property. - - - if (target) { - return action === 'cut' ? actions_cut(target) : actions_copy(target, { - container: container - }); - } -}; - -/* harmony default export */ var actions_default = (ClipboardActionDefault); -;// CONCATENATED MODULE: ./src/clipboard.js -function clipboard_typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return clipboard_typeof(obj); } - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - -function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - -function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } - -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } - -function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } - -function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } - -function _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } - -function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } - -function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } - -function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } - - - - - - -/** - * Helper function to retrieve attribute value. - * @param {String} suffix - * @param {Element} element - */ - -function getAttributeValue(suffix, element) { - var attribute = "data-clipboard-".concat(suffix); - - if (!element.hasAttribute(attribute)) { - return; - } - - return element.getAttribute(attribute); -} -/** - * Base class which takes one or more elements, adds event listeners to them, - * and instantiates a new `ClipboardAction` on each click. - */ - - -var Clipboard = /*#__PURE__*/function (_Emitter) { - _inherits(Clipboard, _Emitter); - - var _super = _createSuper(Clipboard); - - /** - * @param {String|HTMLElement|HTMLCollection|NodeList} trigger - * @param {Object} options - */ - function Clipboard(trigger, options) { - var _this; - - _classCallCheck(this, Clipboard); - - _this = _super.call(this); - - _this.resolveOptions(options); - - _this.listenClick(trigger); - - return _this; - } - /** - * Defines if attributes would be resolved using internal setter functions - * or custom functions that were passed in the constructor. - * @param {Object} options - */ - - - _createClass(Clipboard, [{ - key: "resolveOptions", - value: function resolveOptions() { - var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - this.action = typeof options.action === 'function' ? options.action : this.defaultAction; - this.target = typeof options.target === 'function' ? options.target : this.defaultTarget; - this.text = typeof options.text === 'function' ? options.text : this.defaultText; - this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body; - } - /** - * Adds a click event listener to the passed trigger. - * @param {String|HTMLElement|HTMLCollection|NodeList} trigger - */ - - }, { - key: "listenClick", - value: function listenClick(trigger) { - var _this2 = this; - - this.listener = listen_default()(trigger, 'click', function (e) { - return _this2.onClick(e); - }); - } - /** - * Defines a new `ClipboardAction` on each click event. - * @param {Event} e - */ - - }, { - key: "onClick", - value: function onClick(e) { - var trigger = e.delegateTarget || e.currentTarget; - var action = this.action(trigger) || 'copy'; - var text = actions_default({ - action: action, - container: this.container, - target: this.target(trigger), - text: this.text(trigger) - }); // Fires an event based on the copy operation result. - - this.emit(text ? 'success' : 'error', { - action: action, - text: text, - trigger: trigger, - clearSelection: function clearSelection() { - if (trigger) { - trigger.focus(); - } - - window.getSelection().removeAllRanges(); - } - }); - } - /** - * Default `action` lookup function. - * @param {Element} trigger - */ - - }, { - key: "defaultAction", - value: function defaultAction(trigger) { - return getAttributeValue('action', trigger); - } - /** - * Default `target` lookup function. - * @param {Element} trigger - */ - - }, { - key: "defaultTarget", - value: function defaultTarget(trigger) { - var selector = getAttributeValue('target', trigger); - - if (selector) { - return document.querySelector(selector); - } - } - /** - * Allow fire programmatically a copy action - * @param {String|HTMLElement} target - * @param {Object} options - * @returns Text copied. - */ - - }, { - key: "defaultText", - - /** - * Default `text` lookup function. - * @param {Element} trigger - */ - value: function defaultText(trigger) { - return getAttributeValue('text', trigger); - } - /** - * Destroy lifecycle. - */ - - }, { - key: "destroy", - value: function destroy() { - this.listener.destroy(); - } - }], [{ - key: "copy", - value: function copy(target) { - var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : { - container: document.body - }; - return actions_copy(target, options); - } - /** - * Allow fire programmatically a cut action - * @param {String|HTMLElement} target - * @returns Text cutted. - */ - - }, { - key: "cut", - value: function cut(target) { - return actions_cut(target); - } - /** - * Returns the support of the given action, or all actions if no action is - * given. - * @param {String} [action] - */ - - }, { - key: "isSupported", - value: function isSupported() { - var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut']; - var actions = typeof action === 'string' ? [action] : action; - var support = !!document.queryCommandSupported; - actions.forEach(function (action) { - support = support && !!document.queryCommandSupported(action); - }); - return support; - } - }]); - - return Clipboard; -}((tiny_emitter_default())); - -/* harmony default export */ var clipboard = (Clipboard); - -/***/ }), - -/***/ 828: -/***/ (function(module) { - -var DOCUMENT_NODE_TYPE = 9; - -/** - * A polyfill for Element.matches() - */ -if (typeof Element !== 'undefined' && !Element.prototype.matches) { - var proto = Element.prototype; - - proto.matches = proto.matchesSelector || - proto.mozMatchesSelector || - proto.msMatchesSelector || - proto.oMatchesSelector || - proto.webkitMatchesSelector; -} - -/** - * Finds the closest parent that matches a selector. - * - * @param {Element} element - * @param {String} selector - * @return {Function} - */ -function closest (element, selector) { - while (element && element.nodeType !== DOCUMENT_NODE_TYPE) { - if (typeof element.matches === 'function' && - element.matches(selector)) { - return element; - } - element = element.parentNode; - } -} - -module.exports = closest; - - -/***/ }), - -/***/ 438: -/***/ (function(module, __unused_webpack_exports, __webpack_require__) { - -var closest = __webpack_require__(828); - -/** - * Delegates event to a selector. - * - * @param {Element} element - * @param {String} selector - * @param {String} type - * @param {Function} callback - * @param {Boolean} useCapture - * @return {Object} - */ -function _delegate(element, selector, type, callback, useCapture) { - var listenerFn = listener.apply(this, arguments); - - element.addEventListener(type, listenerFn, useCapture); - - return { - destroy: function() { - element.removeEventListener(type, listenerFn, useCapture); - } - } -} - -/** - * Delegates event to a selector. - * - * @param {Element|String|Array} [elements] - * @param {String} selector - * @param {String} type - * @param {Function} callback - * @param {Boolean} useCapture - * @return {Object} - */ -function delegate(elements, selector, type, callback, useCapture) { - // Handle the regular Element usage - if (typeof elements.addEventListener === 'function') { - return _delegate.apply(null, arguments); - } - - // Handle Element-less usage, it defaults to global delegation - if (typeof type === 'function') { - // Use `document` as the first parameter, then apply arguments - // This is a short way to .unshift `arguments` without running into deoptimizations - return _delegate.bind(null, document).apply(null, arguments); - } - - // Handle Selector-based usage - if (typeof elements === 'string') { - elements = document.querySelectorAll(elements); - } - - // Handle Array-like based usage - return Array.prototype.map.call(elements, function (element) { - return _delegate(element, selector, type, callback, useCapture); - }); -} - -/** - * Finds closest match and invokes callback. - * - * @param {Element} element - * @param {String} selector - * @param {String} type - * @param {Function} callback - * @return {Function} - */ -function listener(element, selector, type, callback) { - return function(e) { - e.delegateTarget = closest(e.target, selector); - - if (e.delegateTarget) { - callback.call(element, e); - } - } -} - -module.exports = delegate; - - -/***/ }), - -/***/ 879: -/***/ (function(__unused_webpack_module, exports) { - -/** - * Check if argument is a HTML element. - * - * @param {Object} value - * @return {Boolean} - */ -exports.node = function(value) { - return value !== undefined - && value instanceof HTMLElement - && value.nodeType === 1; -}; - -/** - * Check if argument is a list of HTML elements. - * - * @param {Object} value - * @return {Boolean} - */ -exports.nodeList = function(value) { - var type = Object.prototype.toString.call(value); - - return value !== undefined - && (type === '[object NodeList]' || type === '[object HTMLCollection]') - && ('length' in value) - && (value.length === 0 || exports.node(value[0])); -}; - -/** - * Check if argument is a string. - * - * @param {Object} value - * @return {Boolean} - */ -exports.string = function(value) { - return typeof value === 'string' - || value instanceof String; -}; - -/** - * Check if argument is a function. - * - * @param {Object} value - * @return {Boolean} - */ -exports.fn = function(value) { - var type = Object.prototype.toString.call(value); - - return type === '[object Function]'; -}; - - -/***/ }), - -/***/ 370: -/***/ (function(module, __unused_webpack_exports, __webpack_require__) { - -var is = __webpack_require__(879); -var delegate = __webpack_require__(438); - -/** - * Validates all params and calls the right - * listener function based on its target type. - * - * @param {String|HTMLElement|HTMLCollection|NodeList} target - * @param {String} type - * @param {Function} callback - * @return {Object} - */ -function listen(target, type, callback) { - if (!target && !type && !callback) { - throw new Error('Missing required arguments'); - } - - if (!is.string(type)) { - throw new TypeError('Second argument must be a String'); - } - - if (!is.fn(callback)) { - throw new TypeError('Third argument must be a Function'); - } - - if (is.node(target)) { - return listenNode(target, type, callback); - } - else if (is.nodeList(target)) { - return listenNodeList(target, type, callback); - } - else if (is.string(target)) { - return listenSelector(target, type, callback); - } - else { - throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList'); - } -} - -/** - * Adds an event listener to a HTML element - * and returns a remove listener function. - * - * @param {HTMLElement} node - * @param {String} type - * @param {Function} callback - * @return {Object} - */ -function listenNode(node, type, callback) { - node.addEventListener(type, callback); - - return { - destroy: function() { - node.removeEventListener(type, callback); - } - } -} - -/** - * Add an event listener to a list of HTML elements - * and returns a remove listener function. - * - * @param {NodeList|HTMLCollection} nodeList - * @param {String} type - * @param {Function} callback - * @return {Object} - */ -function listenNodeList(nodeList, type, callback) { - Array.prototype.forEach.call(nodeList, function(node) { - node.addEventListener(type, callback); - }); - - return { - destroy: function() { - Array.prototype.forEach.call(nodeList, function(node) { - node.removeEventListener(type, callback); 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-/******/ })() -.default; -}); -},{}],138:[function(require,module,exports){ -(function (Buffer){(function (){ -var clone = (function() { -'use strict'; - -function _instanceof(obj, type) { - return type != null && obj instanceof type; -} - -var nativeMap; -try { - nativeMap = Map; -} catch(_) { - // maybe a reference error because no `Map`. Give it a dummy value that no - // value will ever be an instanceof. - nativeMap = function() {}; -} - -var nativeSet; -try { - nativeSet = Set; -} catch(_) { - nativeSet = function() {}; -} - -var nativePromise; -try { - nativePromise = Promise; -} catch(_) { - nativePromise = function() {}; -} - -/** - * Clones (copies) an Object using deep copying. - * - * This function supports circular references by default, but if you are certain - * there are no circular references in your object, you can save some CPU time - * by calling clone(obj, false). - * - * Caution: if `circular` is false and `parent` contains circular references, - * your program may enter an infinite loop and crash. - * - * @param `parent` - the object to be cloned - * @param `circular` - set to true if the object to be cloned may contain - * circular references. (optional - true by default) - * @param `depth` - set to a number if the object is only to be cloned to - * a particular depth. (optional - defaults to Infinity) - * @param `prototype` - sets the prototype to be used when cloning an object. - * (optional - defaults to parent prototype). - * @param `includeNonEnumerable` - set to true if the non-enumerable properties - * should be cloned as well. Non-enumerable properties on the prototype - * chain will be ignored. (optional - false by default) -*/ -function clone(parent, circular, depth, prototype, includeNonEnumerable) { - if (typeof circular === 'object') { - depth = circular.depth; - prototype = circular.prototype; - includeNonEnumerable = circular.includeNonEnumerable; - circular = circular.circular; - } - // maintain two arrays for circular references, where corresponding parents - // and children have the same index - var allParents = []; - var allChildren = []; - - var useBuffer = typeof Buffer != 'undefined'; - - if (typeof circular == 'undefined') - circular = true; - - if (typeof depth == 'undefined') - depth = Infinity; - - // recurse this function so we don't reset allParents and allChildren - function _clone(parent, depth) { - // cloning null always returns null - if (parent === null) - return null; - - if (depth === 0) - return parent; - - var child; - var proto; - if (typeof parent != 'object') { - return parent; - } - - if (_instanceof(parent, nativeMap)) { - child = new nativeMap(); - } else if (_instanceof(parent, nativeSet)) { - child = new nativeSet(); - } else if (_instanceof(parent, nativePromise)) { - child = new nativePromise(function (resolve, reject) { - parent.then(function(value) { - resolve(_clone(value, depth - 1)); - }, function(err) { - reject(_clone(err, depth - 1)); - }); - }); - } else if (clone.__isArray(parent)) { - child = []; - } else if (clone.__isRegExp(parent)) { - child = new RegExp(parent.source, __getRegExpFlags(parent)); - if (parent.lastIndex) child.lastIndex = parent.lastIndex; - } else if (clone.__isDate(parent)) { - child = new Date(parent.getTime()); - } else if (useBuffer && Buffer.isBuffer(parent)) { - if (Buffer.allocUnsafe) { - // Node.js >= 4.5.0 - child = Buffer.allocUnsafe(parent.length); - } else { - // Older Node.js versions - child = new Buffer(parent.length); - } - parent.copy(child); - return child; - } else if (_instanceof(parent, Error)) { - child = Object.create(parent); - } else { - if (typeof prototype == 'undefined') { - proto = Object.getPrototypeOf(parent); - child = Object.create(proto); - } - else { - child = Object.create(prototype); - proto = prototype; - } - } - - if (circular) { - var index = allParents.indexOf(parent); - - if (index != -1) { - return allChildren[index]; - } - allParents.push(parent); - allChildren.push(child); - } - - if (_instanceof(parent, nativeMap)) { - parent.forEach(function(value, key) { - var keyChild = _clone(key, depth - 1); - var valueChild = _clone(value, depth - 1); - child.set(keyChild, valueChild); - }); - } - if (_instanceof(parent, nativeSet)) { - parent.forEach(function(value) { - var entryChild = _clone(value, depth - 1); - child.add(entryChild); - }); - } - - for (var i in parent) { - var attrs; - if (proto) { - attrs = Object.getOwnPropertyDescriptor(proto, i); - } - - if (attrs && attrs.set == null) { - continue; - } - child[i] = _clone(parent[i], depth - 1); - } - - if (Object.getOwnPropertySymbols) { - var symbols = Object.getOwnPropertySymbols(parent); - for (var i = 0; i < symbols.length; i++) { - // Don't need to worry about cloning a symbol because it is a primitive, - // like a number or string. - var symbol = symbols[i]; - var descriptor = Object.getOwnPropertyDescriptor(parent, symbol); - if (descriptor && !descriptor.enumerable && !includeNonEnumerable) { - continue; - } - child[symbol] = _clone(parent[symbol], depth - 1); - if (!descriptor.enumerable) { - Object.defineProperty(child, symbol, { - enumerable: false - }); - } - } - } - - if (includeNonEnumerable) { - var allPropertyNames = Object.getOwnPropertyNames(parent); - for (var i = 0; i < allPropertyNames.length; i++) { - var propertyName = allPropertyNames[i]; - var descriptor = Object.getOwnPropertyDescriptor(parent, propertyName); - if (descriptor && descriptor.enumerable) { - continue; - } - child[propertyName] = _clone(parent[propertyName], depth - 1); - Object.defineProperty(child, propertyName, { - enumerable: false - }); - } - } - - return child; - } - - return _clone(parent, depth); -} - -/** - * Simple flat clone using prototype, accepts only objects, usefull for property - * override on FLAT configuration object (no nested props). - * - * USE WITH CAUTION! This may not behave as you wish if you do not know how this - * works. - */ -clone.clonePrototype = function clonePrototype(parent) { - if (parent === null) - return null; - - var c = function () {}; - c.prototype = parent; - return new c(); -}; - -// private utility functions - -function __objToStr(o) { - return Object.prototype.toString.call(o); -} -clone.__objToStr = __objToStr; - -function __isDate(o) { - return typeof o === 'object' && __objToStr(o) === '[object Date]'; -} -clone.__isDate = __isDate; - -function __isArray(o) { - return typeof o === 'object' && __objToStr(o) === '[object Array]'; -} -clone.__isArray = __isArray; - -function __isRegExp(o) { - return typeof o === 'object' && __objToStr(o) === '[object RegExp]'; -} -clone.__isRegExp = __isRegExp; - -function __getRegExpFlags(re) { - var flags = ''; - if (re.global) flags += 'g'; - if (re.ignoreCase) flags += 'i'; - if (re.multiline) flags += 'm'; - return flags; -} -clone.__getRegExpFlags = __getRegExpFlags; - -return clone; -})(); - -if (typeof module === 'object' && module.exports) { - module.exports = clone; -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],139:[function(require,module,exports){ -module.exports = function cpus () { - var num = navigator.hardwareConcurrency || 1 - var cpus = [] - for (var i = 0; i < num; i++) { - cpus.push({ - model: '', - speed: 0, - times: { user: 0, nice: 0, sys: 0, idle: 0, irq: 0 } - }) - } - return cpus -} - -},{}],140:[function(require,module,exports){ -(function (Buffer){(function (){ -var elliptic = require('elliptic') -var BN = require('bn.js') - -module.exports = function createECDH (curve) { - return new ECDH(curve) -} - -var aliases = { - secp256k1: { - name: 'secp256k1', - byteLength: 32 - }, - secp224r1: { - name: 'p224', - byteLength: 28 - }, - prime256v1: { - name: 'p256', - byteLength: 32 - }, - prime192v1: { - name: 'p192', - byteLength: 24 - }, - ed25519: { - name: 'ed25519', - byteLength: 32 - }, - secp384r1: { - name: 'p384', - byteLength: 48 - }, - secp521r1: { - name: 'p521', - byteLength: 66 - } -} - -aliases.p224 = aliases.secp224r1 -aliases.p256 = aliases.secp256r1 = aliases.prime256v1 -aliases.p192 = aliases.secp192r1 = aliases.prime192v1 -aliases.p384 = aliases.secp384r1 -aliases.p521 = aliases.secp521r1 - -function ECDH (curve) { - this.curveType = aliases[curve] - if (!this.curveType) { - this.curveType = { - name: curve - } - } - this.curve = new elliptic.ec(this.curveType.name) // eslint-disable-line new-cap - this.keys = void 0 -} - -ECDH.prototype.generateKeys = function (enc, format) { - this.keys = this.curve.genKeyPair() - return this.getPublicKey(enc, format) -} - -ECDH.prototype.computeSecret = function (other, inenc, enc) { - inenc = inenc || 'utf8' - if (!Buffer.isBuffer(other)) { - other = new Buffer(other, inenc) - } - var otherPub = this.curve.keyFromPublic(other).getPublic() - var out = otherPub.mul(this.keys.getPrivate()).getX() - return formatReturnValue(out, enc, this.curveType.byteLength) -} - -ECDH.prototype.getPublicKey = function (enc, format) { - var key = this.keys.getPublic(format === 'compressed', true) - if (format === 'hybrid') { - if (key[key.length - 1] % 2) { - key[0] = 7 - } else { - key[0] = 6 - } - } - return formatReturnValue(key, enc) -} - -ECDH.prototype.getPrivateKey = function (enc) { - return formatReturnValue(this.keys.getPrivate(), enc) -} - -ECDH.prototype.setPublicKey = function (pub, enc) { - enc = enc || 'utf8' - if (!Buffer.isBuffer(pub)) { - pub = new Buffer(pub, enc) - } - this.keys._importPublic(pub) - return this -} - -ECDH.prototype.setPrivateKey = function (priv, enc) { - enc = enc || 'utf8' - if (!Buffer.isBuffer(priv)) { - priv = new Buffer(priv, enc) - } - - var _priv = new BN(priv) - _priv = _priv.toString(16) - this.keys = this.curve.genKeyPair() - this.keys._importPrivate(_priv) - return this -} - -function formatReturnValue (bn, enc, len) { - if (!Array.isArray(bn)) { - bn = bn.toArray() - } - var buf = new Buffer(bn) - if (len && buf.length < len) { - var zeros = new Buffer(len - buf.length) - zeros.fill(0) - buf = Buffer.concat([zeros, buf]) - } - if (!enc) { - return buf - } else { - return buf.toString(enc) - } -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"bn.js":141,"buffer":110,"elliptic":162}],141:[function(require,module,exports){ -arguments[4][17][0].apply(exports,arguments) -},{"buffer":67,"dup":17}],142:[function(require,module,exports){ -'use strict' -var inherits = require('inherits') -var MD5 = require('md5.js') -var RIPEMD160 = require('ripemd160') -var sha = require('sha.js') -var Base = require('cipher-base') - -function Hash (hash) { - Base.call(this, 'digest') - - this._hash = hash -} - -inherits(Hash, Base) - -Hash.prototype._update = function (data) { - this._hash.update(data) -} - -Hash.prototype._final = function () { - return this._hash.digest() -} - -module.exports = function createHash (alg) { - alg = alg.toLowerCase() - if (alg === 'md5') return new MD5() - if (alg === 'rmd160' || alg === 'ripemd160') return new RIPEMD160() - - return new Hash(sha(alg)) -} - -},{"cipher-base":136,"inherits":229,"md5.js":241,"ripemd160":352,"sha.js":360}],143:[function(require,module,exports){ -var MD5 = require('md5.js') - -module.exports = function (buffer) { - return new MD5().update(buffer).digest() -} - -},{"md5.js":241}],144:[function(require,module,exports){ -'use strict' -var inherits = require('inherits') -var Legacy = require('./legacy') -var Base = require('cipher-base') -var Buffer = require('safe-buffer').Buffer -var md5 = require('create-hash/md5') -var RIPEMD160 = require('ripemd160') - -var sha = require('sha.js') - -var ZEROS = Buffer.alloc(128) - -function Hmac (alg, key) { - Base.call(this, 'digest') - if (typeof key === 'string') { - key = Buffer.from(key) - } - - var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64 - - this._alg = alg - this._key = key - if (key.length > blocksize) { - var hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg) - key = hash.update(key).digest() - } else if (key.length < blocksize) { - key = Buffer.concat([key, ZEROS], blocksize) - } - - var ipad = this._ipad = Buffer.allocUnsafe(blocksize) - var opad = this._opad = Buffer.allocUnsafe(blocksize) - - for (var i = 0; i < blocksize; i++) { - ipad[i] = key[i] ^ 0x36 - opad[i] = key[i] ^ 0x5C - } - this._hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg) - this._hash.update(ipad) -} - -inherits(Hmac, Base) - -Hmac.prototype._update = function (data) { - this._hash.update(data) -} - -Hmac.prototype._final = function () { - var h = this._hash.digest() - var hash = this._alg === 'rmd160' ? new RIPEMD160() : sha(this._alg) - return hash.update(this._opad).update(h).digest() -} - -module.exports = function createHmac (alg, key) { - alg = alg.toLowerCase() - if (alg === 'rmd160' || alg === 'ripemd160') { - return new Hmac('rmd160', key) - } - if (alg === 'md5') { - return new Legacy(md5, key) - } - return new Hmac(alg, key) -} - -},{"./legacy":145,"cipher-base":136,"create-hash/md5":143,"inherits":229,"ripemd160":352,"safe-buffer":356,"sha.js":360}],145:[function(require,module,exports){ -'use strict' -var inherits = require('inherits') -var Buffer = require('safe-buffer').Buffer - -var Base = require('cipher-base') - -var ZEROS = Buffer.alloc(128) -var blocksize = 64 - -function Hmac (alg, key) { - Base.call(this, 'digest') - if (typeof key === 'string') { - key = Buffer.from(key) - } - - this._alg = alg - this._key = key - - if (key.length > blocksize) { - key = alg(key) - } else if (key.length < blocksize) { - key = Buffer.concat([key, ZEROS], blocksize) - } - - var ipad = this._ipad = Buffer.allocUnsafe(blocksize) - var opad = this._opad = Buffer.allocUnsafe(blocksize) - - for (var i = 0; i < blocksize; i++) { - ipad[i] = key[i] ^ 0x36 - opad[i] = key[i] ^ 0x5C - } - - this._hash = [ipad] -} - -inherits(Hmac, Base) - -Hmac.prototype._update = function (data) { - this._hash.push(data) -} - -Hmac.prototype._final = function () { - var h = this._alg(Buffer.concat(this._hash)) - return this._alg(Buffer.concat([this._opad, h])) -} -module.exports = Hmac - -},{"cipher-base":136,"inherits":229,"safe-buffer":356}],146:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! create-torrent. MIT License. WebTorrent LLC */ -const bencode = require('bencode') -const blockIterator = require('block-iterator') -const calcPieceLength = require('piece-length') -const corePath = require('path') -const isFile = require('is-file') -const junk = require('junk') -const joinIterator = require('join-async-iterator') -const parallel = require('run-parallel') -const queueMicrotask = require('queue-microtask') -const sha1 = require('simple-sha1') -require('fast-readable-async-iterator') - -const getFiles = require('./get-files') // browser exclude - -const announceList = [ - ['udp://tracker.leechers-paradise.org:6969'], - ['udp://tracker.coppersurfer.tk:6969'], - ['udp://tracker.opentrackr.org:1337'], - ['udp://explodie.org:6969'], - ['udp://tracker.empire-js.us:1337'], - ['wss://tracker.btorrent.xyz'], - ['wss://tracker.openwebtorrent.com'] -] - -/** - * Create a torrent. - * @param {string|File|FileList|Buffer|Stream|Array.} input - * @param {Object} opts - * @param {string=} opts.name - * @param {Date=} opts.creationDate - * @param {string=} opts.comment - * @param {string=} opts.createdBy - * @param {boolean|number=} opts.private - * @param {number=} opts.pieceLength - * @param {Array.>=} opts.announceList - * @param {Array.=} opts.urlList - * @param {Object=} opts.info - * @param {Function} opts.onProgress - * @param {function} cb - * @return {Buffer} buffer of .torrent file data - */ -function createTorrent (input, opts, cb) { - if (typeof opts === 'function') [opts, cb] = [cb, opts] - opts = opts ? Object.assign({}, opts) : {} - - _parseInput(input, opts, (err, files, singleFileTorrent) => { - if (err) return cb(err) - opts.singleFileTorrent = singleFileTorrent - onFiles(files, opts, cb) - }) -} - -function parseInput (input, opts, cb) { - if (typeof opts === 'function') [opts, cb] = [cb, opts] - opts = opts ? Object.assign({}, opts) : {} - _parseInput(input, opts, cb) -} - -const pathSymbol = Symbol('itemPath') - -/** - * Parse input file and return file information. - */ -function _parseInput (input, opts, cb) { - if (isFileList(input)) input = Array.from(input) - if (!Array.isArray(input)) input = [input] - - if (input.length === 0) throw new Error('invalid input type') - - input.forEach(item => { - if (item == null) throw new Error(`invalid input type: ${item}`) - }) - - // In Electron, use the true file path - input = input.map(item => { - if (isBlob(item) && typeof item.path === 'string' && typeof getFiles === 'function') return item.path - return item - }) - - // If there's just one file, allow the name to be set by `opts.name` - if (input.length === 1 && typeof input[0] !== 'string' && !input[0].name) input[0].name = opts.name - - let commonPrefix = null - input.forEach((item, i) => { - if (typeof item === 'string') { - return - } - - let path = item.fullPath || item.name - if (!path) { - path = `Unknown File ${i + 1}` - item.unknownName = true - } - - item[pathSymbol] = path.split('/') - - // Remove initial slash - if (!item[pathSymbol][0]) { - item[pathSymbol].shift() - } - - if (item[pathSymbol].length < 2) { // No real prefix - commonPrefix = null - } else if (i === 0 && input.length > 1) { // The first file has a prefix - commonPrefix = item[pathSymbol][0] - } else if (item[pathSymbol][0] !== commonPrefix) { // The prefix doesn't match - commonPrefix = null - } - }) - - const filterJunkFiles = opts.filterJunkFiles === undefined ? true : opts.filterJunkFiles - if (filterJunkFiles) { - // Remove junk files - input = input.filter(item => { - if (typeof item === 'string') { - return true - } - return !isJunkPath(item[pathSymbol]) - }) - } - - if (commonPrefix) { - input.forEach(item => { - const pathless = (Buffer.isBuffer(item) || isReadable(item)) && !item[pathSymbol] - if (typeof item === 'string' || pathless) return - item[pathSymbol].shift() - }) - } - - if (!opts.name && commonPrefix) { - opts.name = commonPrefix - } - - if (!opts.name) { - // use first user-set file name - input.some(item => { - if (typeof item === 'string') { - opts.name = corePath.basename(item) - return true - } else if (!item.unknownName) { - opts.name = item[pathSymbol][item[pathSymbol].length - 1] - return true - } - return false - }) - } - - if (!opts.name) { - opts.name = `Unnamed Torrent ${Date.now()}` - } - - const numPaths = input.reduce((sum, item) => sum + Number(typeof item === 'string'), 0) - - let isSingleFileTorrent = (input.length === 1) - - if (input.length === 1 && typeof input[0] === 'string') { - if (typeof getFiles !== 'function') { - throw new Error('filesystem paths do not work in the browser') - } - // If there's a single path, verify it's a file before deciding this is a single - // file torrent - isFile(input[0], (err, pathIsFile) => { - if (err) return cb(err) - isSingleFileTorrent = pathIsFile - processInput() - }) - } else { - queueMicrotask(processInput) - } - - function processInput () { - parallel(input.map(item => cb => { - const file = {} - - if (isBlob(item)) { - file.getStream = item.stream() - file.length = item.size - } else if (Buffer.isBuffer(item)) { - file.getStream = [item] // wrap in iterable to write entire buffer at once instead of unwrapping all bytes - file.length = item.length - } else if (isReadable(item)) { - file.getStream = getStreamStream(item, file) - file.length = 0 - } else if (typeof item === 'string') { - if (typeof getFiles !== 'function') { - throw new Error('filesystem paths do not work in the browser') - } - const keepRoot = numPaths > 1 || isSingleFileTorrent - getFiles(item, keepRoot, cb) - return // early return! - } else { - throw new Error('invalid input type') - } - file.path = item[pathSymbol] - cb(null, file) - }), (err, files) => { - if (err) return cb(err) - files = files.flat() - cb(null, files, isSingleFileTorrent) - }) - } -} - -const MAX_OUTSTANDING_HASHES = 5 - -async function getPieceList (files, pieceLength, estimatedTorrentLength, opts, cb) { - const pieces = [] - let length = 0 - let hashedLength = 0 - - const streams = files.map(file => file.getStream) - - const onProgress = opts.onProgress - - let remainingHashes = 0 - let pieceNum = 0 - let ended = false - - const iterator = blockIterator(joinIterator(streams), pieceLength, { zeroPadding: false }) - try { - for await (const chunk of iterator) { - await new Promise(resolve => { - length += chunk.length - const i = pieceNum - ++pieceNum - if (++remainingHashes < MAX_OUTSTANDING_HASHES) resolve() - sha1(chunk, hash => { - pieces[i] = hash - --remainingHashes - hashedLength += chunk.length - if (onProgress) onProgress(hashedLength, estimatedTorrentLength) - resolve() - if (ended && remainingHashes === 0) cb(null, Buffer.from(pieces.join(''), 'hex'), length) - }) - }) - } - if (remainingHashes === 0) return cb(null, Buffer.from(pieces.join(''), 'hex'), length) - ended = true - } catch (err) { - cb(err) - } -} - -function onFiles (files, opts, cb) { - let announceList = opts.announceList - - if (!announceList) { - if (typeof opts.announce === 'string') announceList = [[opts.announce]] - else if (Array.isArray(opts.announce)) { - announceList = opts.announce.map(u => [u]) - } - } - - if (!announceList) announceList = [] - - if (globalThis.WEBTORRENT_ANNOUNCE) { - if (typeof globalThis.WEBTORRENT_ANNOUNCE === 'string') { - announceList.push([[globalThis.WEBTORRENT_ANNOUNCE]]) - } else if (Array.isArray(globalThis.WEBTORRENT_ANNOUNCE)) { - announceList = announceList.concat(globalThis.WEBTORRENT_ANNOUNCE.map(u => [u])) - } - } - - // When no trackers specified, use some reasonable defaults - if (opts.announce === undefined && opts.announceList === undefined) { - announceList = announceList.concat(module.exports.announceList) - } - - if (typeof opts.urlList === 'string') opts.urlList = [opts.urlList] - - const torrent = { - info: { - name: opts.name - }, - 'creation date': Math.ceil((Number(opts.creationDate) || Date.now()) / 1000), - encoding: 'UTF-8' - } - - if (announceList.length !== 0) { - torrent.announce = announceList[0][0] - torrent['announce-list'] = announceList - } - - if (opts.comment !== undefined) torrent.comment = opts.comment - - if (opts.createdBy !== undefined) torrent['created by'] = opts.createdBy - - if (opts.private !== undefined) torrent.info.private = Number(opts.private) - - if (opts.info !== undefined) Object.assign(torrent.info, opts.info) - - // "ssl-cert" key is for SSL torrents, see: - // - http://blog.libtorrent.org/2012/01/bittorrent-over-ssl/ - // - http://www.libtorrent.org/manual-ref.html#ssl-torrents - // - http://www.libtorrent.org/reference-Create_Torrents.html - if (opts.sslCert !== undefined) torrent.info['ssl-cert'] = opts.sslCert - - if (opts.urlList !== undefined) torrent['url-list'] = opts.urlList - - const estimatedTorrentLength = files.reduce(sumLength, 0) - const pieceLength = opts.pieceLength || calcPieceLength(estimatedTorrentLength) - torrent.info['piece length'] = pieceLength - - getPieceList( - files, - pieceLength, - estimatedTorrentLength, - opts, - (err, pieces, torrentLength) => { - if (err) return cb(err) - torrent.info.pieces = pieces - - files.forEach(file => { - delete file.getStream - }) - - if (opts.singleFileTorrent) { - torrent.info.length = torrentLength - } else { - torrent.info.files = files - } - - cb(null, bencode.encode(torrent)) - } - ) -} - -/** - * Determine if a a file is junk based on its path - * (defined as hidden OR recognized by the `junk` package) - * - * @param {string} path - * @return {boolean} - */ -function isJunkPath (path) { - const filename = path[path.length - 1] - return filename[0] === '.' && junk.is(filename) -} - -/** - * Accumulator to sum file lengths - * @param {number} sum - * @param {Object} file - * @return {number} - */ -function sumLength (sum, file) { - return sum + file.length -} - -/** - * Check if `obj` is a W3C `Blob` object (which `File` inherits from) - * @param {*} obj - * @return {boolean} - */ -function isBlob (obj) { - return typeof Blob !== 'undefined' && obj instanceof Blob -} - -/** - * Check if `obj` is a W3C `FileList` object - * @param {*} obj - * @return {boolean} - */ -function isFileList (obj) { - return typeof FileList !== 'undefined' && obj instanceof FileList -} - -/** - * Check if `obj` is a node Readable stream - * @param {*} obj - * @return {boolean} - */ -function isReadable (obj) { - return typeof obj === 'object' && obj != null && typeof obj.pipe === 'function' -} - -/** - * Convert a readable stream to a lazy async iterator. Adds instrumentation to track - * the number of bytes in the stream and set `file.length`. - * - * @generator - * @param {Stream} readable - * @param {Object} file - * @return {Uint8Array} stream data/chunk - */ -async function * getStreamStream (readable, file) { - for await (const chunk of readable) { - file.length += chunk.length - yield chunk - } -} - -module.exports = createTorrent -module.exports.parseInput = parseInput -module.exports.announceList = announceList -module.exports.isJunkPath = isJunkPath - -}).call(this)}).call(this,require("buffer").Buffer) -},{"./get-files":67,"bencode":22,"block-iterator":48,"buffer":110,"fast-readable-async-iterator":186,"is-file":67,"join-async-iterator":232,"junk":233,"path":301,"piece-length":308,"queue-microtask":327,"run-parallel":354,"simple-sha1":386}],147:[function(require,module,exports){ -'use strict' - -exports.randomBytes = exports.rng = exports.pseudoRandomBytes = exports.prng = require('randombytes') -exports.createHash = exports.Hash = require('create-hash') -exports.createHmac = exports.Hmac = require('create-hmac') - -var algos = require('browserify-sign/algos') -var algoKeys = Object.keys(algos) -var hashes = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'].concat(algoKeys) -exports.getHashes = function () { - return hashes -} - -var p = require('pbkdf2') -exports.pbkdf2 = p.pbkdf2 -exports.pbkdf2Sync = p.pbkdf2Sync - -var aes = require('browserify-cipher') - -exports.Cipher = aes.Cipher -exports.createCipher = aes.createCipher -exports.Cipheriv = aes.Cipheriv -exports.createCipheriv = aes.createCipheriv -exports.Decipher = aes.Decipher -exports.createDecipher = aes.createDecipher -exports.Decipheriv = aes.Decipheriv -exports.createDecipheriv = aes.createDecipheriv -exports.getCiphers = aes.getCiphers -exports.listCiphers = aes.listCiphers - -var dh = require('diffie-hellman') - -exports.DiffieHellmanGroup = dh.DiffieHellmanGroup -exports.createDiffieHellmanGroup = dh.createDiffieHellmanGroup -exports.getDiffieHellman = dh.getDiffieHellman -exports.createDiffieHellman = dh.createDiffieHellman -exports.DiffieHellman = dh.DiffieHellman - -var sign = require('browserify-sign') - -exports.createSign = sign.createSign -exports.Sign = sign.Sign -exports.createVerify = sign.createVerify -exports.Verify = sign.Verify - -exports.createECDH = require('create-ecdh') - -var publicEncrypt = require('public-encrypt') - -exports.publicEncrypt = publicEncrypt.publicEncrypt -exports.privateEncrypt = publicEncrypt.privateEncrypt -exports.publicDecrypt = publicEncrypt.publicDecrypt -exports.privateDecrypt = publicEncrypt.privateDecrypt - -// the least I can do is make error messages for the rest of the node.js/crypto api. -// ;[ -// 'createCredentials' -// ].forEach(function (name) { -// exports[name] = function () { -// throw new Error([ -// 'sorry, ' + name + ' is not implemented yet', -// 'we accept pull requests', -// 'https://github.com/crypto-browserify/crypto-browserify' -// ].join('\n')) -// } -// }) - -var rf = require('randomfill') - -exports.randomFill = rf.randomFill -exports.randomFillSync = rf.randomFillSync - -exports.createCredentials = function () { - throw new Error([ - 'sorry, createCredentials is not implemented yet', - 'we accept pull requests', - 'https://github.com/crypto-browserify/crypto-browserify' - ].join('\n')) -} - -exports.constants = { - 'DH_CHECK_P_NOT_SAFE_PRIME': 2, - 'DH_CHECK_P_NOT_PRIME': 1, - 'DH_UNABLE_TO_CHECK_GENERATOR': 4, - 'DH_NOT_SUITABLE_GENERATOR': 8, - 'NPN_ENABLED': 1, - 'ALPN_ENABLED': 1, - 'RSA_PKCS1_PADDING': 1, - 'RSA_SSLV23_PADDING': 2, - 'RSA_NO_PADDING': 3, - 'RSA_PKCS1_OAEP_PADDING': 4, - 'RSA_X931_PADDING': 5, - 'RSA_PKCS1_PSS_PADDING': 6, - 'POINT_CONVERSION_COMPRESSED': 2, - 'POINT_CONVERSION_UNCOMPRESSED': 4, - 'POINT_CONVERSION_HYBRID': 6 -} - -},{"browserify-cipher":85,"browserify-sign":92,"browserify-sign/algos":89,"create-ecdh":140,"create-hash":142,"create-hmac":144,"diffie-hellman":157,"pbkdf2":302,"public-encrypt":310,"randombytes":330,"randomfill":331}],148:[function(require,module,exports){ -(function (process){(function (){ -/* eslint-env browser */ - -/** - * This is the web browser implementation of `debug()`. - */ - -exports.formatArgs = formatArgs; -exports.save = save; -exports.load = load; -exports.useColors = useColors; -exports.storage = localstorage(); -exports.destroy = (() => { - let warned = false; - - return () => { - if (!warned) { - warned = true; - console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); - } - }; -})(); - -/** - * Colors. - */ - -exports.colors = [ - '#0000CC', - '#0000FF', - '#0033CC', - '#0033FF', - '#0066CC', - '#0066FF', - '#0099CC', - '#0099FF', - '#00CC00', - '#00CC33', - '#00CC66', - '#00CC99', - '#00CCCC', - '#00CCFF', - '#3300CC', - '#3300FF', - '#3333CC', - '#3333FF', - '#3366CC', - '#3366FF', - '#3399CC', - '#3399FF', - '#33CC00', - '#33CC33', - '#33CC66', - '#33CC99', - '#33CCCC', - '#33CCFF', - '#6600CC', - '#6600FF', - '#6633CC', - '#6633FF', - '#66CC00', - '#66CC33', - '#9900CC', - '#9900FF', - '#9933CC', - '#9933FF', - '#99CC00', - '#99CC33', - '#CC0000', - '#CC0033', - '#CC0066', - '#CC0099', - '#CC00CC', - '#CC00FF', - '#CC3300', - '#CC3333', - '#CC3366', - '#CC3399', - '#CC33CC', - '#CC33FF', - '#CC6600', - '#CC6633', - '#CC9900', - '#CC9933', - '#CCCC00', - '#CCCC33', - '#FF0000', - '#FF0033', - '#FF0066', - '#FF0099', - '#FF00CC', - '#FF00FF', - '#FF3300', - '#FF3333', - '#FF3366', - '#FF3399', - '#FF33CC', - '#FF33FF', - '#FF6600', - '#FF6633', - '#FF9900', - '#FF9933', - '#FFCC00', - '#FFCC33' -]; - -/** - * Currently only WebKit-based Web Inspectors, Firefox >= v31, - * and the Firebug extension (any Firefox version) are known - * to support "%c" CSS customizations. - * - * TODO: add a `localStorage` variable to explicitly enable/disable colors - */ - -// eslint-disable-next-line complexity -function useColors() { - // NB: In an Electron preload script, document will be defined but not fully - // initialized. Since we know we're in Chrome, we'll just detect this case - // explicitly - if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) { - return true; - } - - // Internet Explorer and Edge do not support colors. - if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) { - return false; - } - - // Is webkit? http://stackoverflow.com/a/16459606/376773 - // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 - return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) || - // Is firebug? http://stackoverflow.com/a/398120/376773 - (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) || - // Is firefox >= v31? - // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages - (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) || - // Double check webkit in userAgent just in case we are in a worker - (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/)); -} - -/** - * Colorize log arguments if enabled. - * - * @api public - */ - -function formatArgs(args) { - args[0] = (this.useColors ? '%c' : '') + - this.namespace + - (this.useColors ? ' %c' : ' ') + - args[0] + - (this.useColors ? '%c ' : ' ') + - '+' + module.exports.humanize(this.diff); - - if (!this.useColors) { - return; - } - - const c = 'color: ' + this.color; - args.splice(1, 0, c, 'color: inherit'); - - // The final "%c" is somewhat tricky, because there could be other - // arguments passed either before or after the %c, so we need to - // figure out the correct index to insert the CSS into - let index = 0; - let lastC = 0; - args[0].replace(/%[a-zA-Z%]/g, match => { - if (match === '%%') { - return; - } - index++; - if (match === '%c') { - // We only are interested in the *last* %c - // (the user may have provided their own) - lastC = index; - } - }); - - args.splice(lastC, 0, c); -} - -/** - * Invokes `console.debug()` when available. - * No-op when `console.debug` is not a "function". - * If `console.debug` is not available, falls back - * to `console.log`. - * - * @api public - */ -exports.log = console.debug || console.log || (() => {}); - -/** - * Save `namespaces`. - * - * @param {String} namespaces - * @api private - */ -function save(namespaces) { - try { - if (namespaces) { - exports.storage.setItem('debug', namespaces); - } else { - exports.storage.removeItem('debug'); - } - } catch (error) { - // Swallow - // XXX (@Qix-) should we be logging these? - } -} - -/** - * Load `namespaces`. - * - * @return {String} returns the previously persisted debug modes - * @api private - */ -function load() { - let r; - try { - r = exports.storage.getItem('debug'); - } catch (error) { - // Swallow - // XXX (@Qix-) should we be logging these? - } - - // If debug isn't set in LS, and we're in Electron, try to load $DEBUG - if (!r && typeof process !== 'undefined' && 'env' in process) { - r = process.env.DEBUG; - } - - return r; -} - -/** - * Localstorage attempts to return the localstorage. - * - * This is necessary because safari throws - * when a user disables cookies/localstorage - * and you attempt to access it. - * - * @return {LocalStorage} - * @api private - */ - -function localstorage() { - try { - // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context - // The Browser also has localStorage in the global context. - return localStorage; - } catch (error) { - // Swallow - // XXX (@Qix-) should we be logging these? - } -} - -module.exports = require('./common')(exports); - -const {formatters} = module.exports; - -/** - * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. - */ - -formatters.j = function (v) { - try { - return JSON.stringify(v); - } catch (error) { - return '[UnexpectedJSONParseError]: ' + error.message; - } -}; - -}).call(this)}).call(this,require('_process')) -},{"./common":149,"_process":309}],149:[function(require,module,exports){ - -/** - * This is the common logic for both the Node.js and web browser - * implementations of `debug()`. - */ - -function setup(env) { - createDebug.debug = createDebug; - createDebug.default = createDebug; - createDebug.coerce = coerce; - createDebug.disable = disable; - createDebug.enable = enable; - createDebug.enabled = enabled; - createDebug.humanize = require('ms'); - createDebug.destroy = destroy; - - Object.keys(env).forEach(key => { - createDebug[key] = env[key]; - }); - - /** - * The currently active debug mode names, and names to skip. - */ - - createDebug.names = []; - createDebug.skips = []; - - /** - * Map of special "%n" handling functions, for the debug "format" argument. - * - * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". - */ - createDebug.formatters = {}; - - /** - * Selects a color for a debug namespace - * @param {String} namespace The namespace string for the debug instance to be colored - * @return {Number|String} An ANSI color code for the given namespace - * @api private - */ - function selectColor(namespace) { - let hash = 0; - - for (let i = 0; i < namespace.length; i++) { - hash = ((hash << 5) - hash) + namespace.charCodeAt(i); - hash |= 0; // Convert to 32bit integer - } - - return createDebug.colors[Math.abs(hash) % createDebug.colors.length]; - } - createDebug.selectColor = selectColor; - - /** - * Create a debugger with the given `namespace`. - * - * @param {String} namespace - * @return {Function} - * @api public - */ - function createDebug(namespace) { - let prevTime; - let enableOverride = null; - let namespacesCache; - let enabledCache; - - function debug(...args) { - // Disabled? - if (!debug.enabled) { - return; - } - - const self = debug; - - // Set `diff` timestamp - const curr = Number(new Date()); - const ms = curr - (prevTime || curr); - self.diff = ms; - self.prev = prevTime; - self.curr = curr; - prevTime = curr; - - args[0] = createDebug.coerce(args[0]); - - if (typeof args[0] !== 'string') { - // Anything else let's inspect with %O - args.unshift('%O'); - } - - // Apply any `formatters` transformations - let index = 0; - args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => { - // If we encounter an escaped % then don't increase the array index - if (match === '%%') { - return '%'; - } - index++; - const formatter = createDebug.formatters[format]; - if (typeof formatter === 'function') { - const val = args[index]; - match = formatter.call(self, val); - - // Now we need to remove `args[index]` since it's inlined in the `format` - args.splice(index, 1); - index--; - } - return match; - }); - - // Apply env-specific formatting (colors, etc.) - createDebug.formatArgs.call(self, args); - - const logFn = self.log || createDebug.log; - logFn.apply(self, args); - } - - debug.namespace = namespace; - debug.useColors = createDebug.useColors(); - debug.color = createDebug.selectColor(namespace); - debug.extend = extend; - debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release. - - Object.defineProperty(debug, 'enabled', { - enumerable: true, - configurable: false, - get: () => { - if (enableOverride !== null) { - return enableOverride; - } - if (namespacesCache !== createDebug.namespaces) { - namespacesCache = createDebug.namespaces; - enabledCache = createDebug.enabled(namespace); - } - - return enabledCache; - }, - set: v => { - enableOverride = v; - } - }); - - // Env-specific initialization logic for debug instances - if (typeof createDebug.init === 'function') { - createDebug.init(debug); - } - - return debug; - } - - function extend(namespace, delimiter) { - const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace); - newDebug.log = this.log; - return newDebug; - } - - /** - * Enables a debug mode by namespaces. This can include modes - * separated by a colon and wildcards. - * - * @param {String} namespaces - * @api public - */ - function enable(namespaces) { - createDebug.save(namespaces); - createDebug.namespaces = namespaces; - - createDebug.names = []; - createDebug.skips = []; - - let i; - const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); - const len = split.length; - - for (i = 0; i < len; i++) { - if (!split[i]) { - // ignore empty strings - continue; - } - - namespaces = split[i].replace(/\*/g, '.*?'); - - if (namespaces[0] === '-') { - createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$')); - } else { - createDebug.names.push(new RegExp('^' + namespaces + '$')); - } - } - } - - /** - * Disable debug output. - * - * @return {String} namespaces - * @api public - */ - function disable() { - const namespaces = [ - ...createDebug.names.map(toNamespace), - ...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace) - ].join(','); - createDebug.enable(''); - return namespaces; - } - - /** - * Returns true if the given mode name is enabled, false otherwise. - * - * @param {String} name - * @return {Boolean} - * @api public - */ - function enabled(name) { - if (name[name.length - 1] === '*') { - return true; - } - - let i; - let len; - - for (i = 0, len = createDebug.skips.length; i < len; i++) { - if (createDebug.skips[i].test(name)) { - return false; - } - } - - for (i = 0, len = createDebug.names.length; i < len; i++) { - if (createDebug.names[i].test(name)) { - return true; - } - } - - return false; - } - - /** - * Convert regexp to namespace - * - * @param {RegExp} regxep - * @return {String} namespace - * @api private - */ - function toNamespace(regexp) { - return regexp.toString() - .substring(2, regexp.toString().length - 2) - .replace(/\.\*\?$/, '*'); - } - - /** - * Coerce `val`. - * - * @param {Mixed} val - * @return {Mixed} - * @api private - */ - function coerce(val) { - if (val instanceof Error) { - return val.stack || val.message; - } - return val; - } - - /** - * XXX DO NOT USE. This is a temporary stub function. - * XXX It WILL be removed in the next major release. - */ - function destroy() { - console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); - } - - createDebug.enable(createDebug.load()); - - return createDebug; -} - -module.exports = setup; - -},{"ms":291}],150:[function(require,module,exports){ -'use strict'; - -var hasPropertyDescriptors = require('has-property-descriptors')(); - -var GetIntrinsic = require('get-intrinsic'); - -var $defineProperty = hasPropertyDescriptors && GetIntrinsic('%Object.defineProperty%', true); -if ($defineProperty) { - try { - $defineProperty({}, 'a', { value: 1 }); - } catch (e) { - // IE 8 has a broken defineProperty - $defineProperty = false; - } -} - -var $SyntaxError = GetIntrinsic('%SyntaxError%'); -var $TypeError = GetIntrinsic('%TypeError%'); - -var gopd = require('gopd'); - -/** @type {(obj: Record, property: PropertyKey, value: unknown, nonEnumerable?: boolean | null, nonWritable?: boolean | null, nonConfigurable?: boolean | null, loose?: boolean) => void} */ -module.exports = function defineDataProperty( - obj, - property, - value -) { - if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) { - throw new $TypeError('`obj` must be an object or a function`'); - } - if (typeof property !== 'string' && typeof property !== 'symbol') { - throw new $TypeError('`property` must be a string or a symbol`'); - } - if (arguments.length > 3 && typeof arguments[3] !== 'boolean' && arguments[3] !== null) { - throw new $TypeError('`nonEnumerable`, if provided, must be a boolean or null'); - } - if (arguments.length > 4 && typeof arguments[4] !== 'boolean' && arguments[4] !== null) { - throw new $TypeError('`nonWritable`, if provided, must be a boolean or null'); - } - if (arguments.length > 5 && typeof arguments[5] !== 'boolean' && arguments[5] !== null) { - throw new $TypeError('`nonConfigurable`, if provided, must be a boolean or null'); - } - if (arguments.length > 6 && typeof arguments[6] !== 'boolean') { - throw new $TypeError('`loose`, if provided, must be a boolean'); - } - - var nonEnumerable = arguments.length > 3 ? arguments[3] : null; - var nonWritable = arguments.length > 4 ? arguments[4] : null; - var nonConfigurable = arguments.length > 5 ? arguments[5] : null; - var loose = arguments.length > 6 ? arguments[6] : false; - - /* @type {false | TypedPropertyDescriptor} */ - var desc = !!gopd && gopd(obj, property); - - if ($defineProperty) { - $defineProperty(obj, property, { - configurable: nonConfigurable === null && desc ? desc.configurable : !nonConfigurable, - enumerable: nonEnumerable === null && desc ? desc.enumerable : !nonEnumerable, - value: value, - writable: nonWritable === null && desc ? desc.writable : !nonWritable - }); - } else if (loose || (!nonEnumerable && !nonWritable && !nonConfigurable)) { - // must fall back to [[Set]], and was not explicitly asked to make non-enumerable, non-writable, or non-configurable - obj[property] = value; // eslint-disable-line no-param-reassign - } else { - throw new $SyntaxError('This environment does not support defining a property as non-configurable, non-writable, or non-enumerable.'); - } -}; - -},{"get-intrinsic":190,"gopd":191,"has-property-descriptors":192}],151:[function(require,module,exports){ -'use strict'; - -exports.utils = require('./des/utils'); -exports.Cipher = require('./des/cipher'); -exports.DES = require('./des/des'); -exports.CBC = require('./des/cbc'); -exports.EDE = require('./des/ede'); - -},{"./des/cbc":152,"./des/cipher":153,"./des/des":154,"./des/ede":155,"./des/utils":156}],152:[function(require,module,exports){ -'use strict'; - -var assert = require('minimalistic-assert'); -var inherits = require('inherits'); - -var proto = {}; - -function CBCState(iv) { - assert.equal(iv.length, 8, 'Invalid IV length'); - - this.iv = new Array(8); - for (var i = 0; i < this.iv.length; i++) - this.iv[i] = iv[i]; -} - -function instantiate(Base) { - function CBC(options) { - Base.call(this, options); - this._cbcInit(); - } - inherits(CBC, Base); - - var keys = Object.keys(proto); - for (var i = 0; i < keys.length; i++) { - var key = keys[i]; - CBC.prototype[key] = proto[key]; - } - - CBC.create = function create(options) { - return new CBC(options); - }; - - return CBC; -} - -exports.instantiate = instantiate; - -proto._cbcInit = function _cbcInit() { - var state = new CBCState(this.options.iv); - this._cbcState = state; -}; - -proto._update = function _update(inp, inOff, out, outOff) { - var state = this._cbcState; - var superProto = this.constructor.super_.prototype; - - var iv = state.iv; - if (this.type === 'encrypt') { - for (var i = 0; i < this.blockSize; i++) - iv[i] ^= inp[inOff + i]; - - superProto._update.call(this, iv, 0, out, outOff); - - for (var i = 0; i < this.blockSize; i++) - iv[i] = out[outOff + i]; - } else { - superProto._update.call(this, inp, inOff, out, outOff); - - for (var i = 0; i < this.blockSize; i++) - out[outOff + i] ^= iv[i]; - - for (var i = 0; i < this.blockSize; i++) - iv[i] = inp[inOff + i]; - } -}; - -},{"inherits":229,"minimalistic-assert":268}],153:[function(require,module,exports){ -'use strict'; - -var assert = require('minimalistic-assert'); - -function Cipher(options) { - this.options = options; - - this.type = this.options.type; - this.blockSize = 8; - this._init(); - - this.buffer = new Array(this.blockSize); - this.bufferOff = 0; - this.padding = options.padding !== false -} -module.exports = Cipher; - -Cipher.prototype._init = function _init() { - // Might be overrided -}; - -Cipher.prototype.update = function update(data) { - if (data.length === 0) - return []; - - if (this.type === 'decrypt') - return this._updateDecrypt(data); - else - return this._updateEncrypt(data); -}; - -Cipher.prototype._buffer = function _buffer(data, off) { - // Append data to buffer - var min = Math.min(this.buffer.length - this.bufferOff, data.length - off); - for (var i = 0; i < min; i++) - this.buffer[this.bufferOff + i] = data[off + i]; - this.bufferOff += min; - - // Shift next - return min; -}; - -Cipher.prototype._flushBuffer = function _flushBuffer(out, off) { - this._update(this.buffer, 0, out, off); - this.bufferOff = 0; - return this.blockSize; -}; - -Cipher.prototype._updateEncrypt = function _updateEncrypt(data) { - var inputOff = 0; - var outputOff = 0; - - var count = ((this.bufferOff + data.length) / this.blockSize) | 0; - var out = new Array(count * this.blockSize); - - if (this.bufferOff !== 0) { - inputOff += this._buffer(data, inputOff); - - if (this.bufferOff === this.buffer.length) - outputOff += this._flushBuffer(out, outputOff); - } - - // Write blocks - var max = data.length - ((data.length - inputOff) % this.blockSize); - for (; inputOff < max; inputOff += this.blockSize) { - this._update(data, inputOff, out, outputOff); - outputOff += this.blockSize; - } - - // Queue rest - for (; inputOff < data.length; inputOff++, this.bufferOff++) - this.buffer[this.bufferOff] = data[inputOff]; - - return out; -}; - -Cipher.prototype._updateDecrypt = function _updateDecrypt(data) { - var inputOff = 0; - var outputOff = 0; - - var count = Math.ceil((this.bufferOff + data.length) / this.blockSize) - 1; - var out = new Array(count * this.blockSize); - - // TODO(indutny): optimize it, this is far from optimal - for (; count > 0; count--) { - inputOff += this._buffer(data, inputOff); - outputOff += this._flushBuffer(out, outputOff); - } - - // Buffer rest of the input - inputOff += this._buffer(data, inputOff); - - return out; -}; - -Cipher.prototype.final = function final(buffer) { - var first; - if (buffer) - first = this.update(buffer); - - var last; - if (this.type === 'encrypt') - last = this._finalEncrypt(); - else - last = this._finalDecrypt(); - - if (first) - return first.concat(last); - else - return last; -}; - -Cipher.prototype._pad = function _pad(buffer, off) { - if (off === 0) - return false; - - while (off < buffer.length) - buffer[off++] = 0; - - return true; -}; - -Cipher.prototype._finalEncrypt = function _finalEncrypt() { - if (!this._pad(this.buffer, this.bufferOff)) - return []; - - var out = new Array(this.blockSize); - this._update(this.buffer, 0, out, 0); - return out; -}; - -Cipher.prototype._unpad = function _unpad(buffer) { - return buffer; -}; - -Cipher.prototype._finalDecrypt = function _finalDecrypt() { - assert.equal(this.bufferOff, this.blockSize, 'Not enough data to decrypt'); - var out = new Array(this.blockSize); - this._flushBuffer(out, 0); - - return this._unpad(out); -}; - -},{"minimalistic-assert":268}],154:[function(require,module,exports){ -'use strict'; - -var assert = require('minimalistic-assert'); -var inherits = require('inherits'); - -var utils = require('./utils'); -var Cipher = require('./cipher'); - -function DESState() { - this.tmp = new Array(2); - this.keys = null; -} - -function DES(options) { - Cipher.call(this, options); - - var state = new DESState(); - this._desState = state; - - this.deriveKeys(state, options.key); -} -inherits(DES, Cipher); -module.exports = DES; - -DES.create = function create(options) { - return new DES(options); -}; - -var shiftTable = [ - 1, 1, 2, 2, 2, 2, 2, 2, - 1, 2, 2, 2, 2, 2, 2, 1 -]; - -DES.prototype.deriveKeys = function deriveKeys(state, key) { - state.keys = new Array(16 * 2); - - assert.equal(key.length, this.blockSize, 'Invalid key length'); - - var kL = utils.readUInt32BE(key, 0); - var kR = utils.readUInt32BE(key, 4); - - utils.pc1(kL, kR, state.tmp, 0); - kL = state.tmp[0]; - kR = state.tmp[1]; - for (var i = 0; i < state.keys.length; i += 2) { - var shift = shiftTable[i >>> 1]; - kL = utils.r28shl(kL, shift); - kR = utils.r28shl(kR, shift); - utils.pc2(kL, kR, state.keys, i); - } -}; - -DES.prototype._update = function _update(inp, inOff, out, outOff) { - var state = this._desState; - - var l = utils.readUInt32BE(inp, inOff); - var r = utils.readUInt32BE(inp, inOff + 4); - - // Initial Permutation - utils.ip(l, r, state.tmp, 0); - l = state.tmp[0]; - r = state.tmp[1]; - - if (this.type === 'encrypt') - this._encrypt(state, l, r, state.tmp, 0); - else - this._decrypt(state, l, r, state.tmp, 0); - - l = state.tmp[0]; - r = state.tmp[1]; - - utils.writeUInt32BE(out, l, outOff); - utils.writeUInt32BE(out, r, outOff + 4); -}; - -DES.prototype._pad = function _pad(buffer, off) { - if (this.padding === false) { - return false; - } - - var value = buffer.length - off; - for (var i = off; i < buffer.length; i++) - buffer[i] = value; - - return true; -}; - -DES.prototype._unpad = function _unpad(buffer) { - if (this.padding === false) { - return buffer; - } - - var pad = buffer[buffer.length - 1]; - for (var i = buffer.length - pad; i < buffer.length; i++) - assert.equal(buffer[i], pad); - - return buffer.slice(0, buffer.length - pad); -}; - -DES.prototype._encrypt = function _encrypt(state, lStart, rStart, out, off) { - var l = lStart; - var r = rStart; - - // Apply f() x16 times - for (var i = 0; i < state.keys.length; i += 2) { - var keyL = state.keys[i]; - var keyR = state.keys[i + 1]; - - // f(r, k) - utils.expand(r, state.tmp, 0); - - keyL ^= state.tmp[0]; - keyR ^= state.tmp[1]; - var s = utils.substitute(keyL, keyR); - var f = utils.permute(s); - - var t = r; - r = (l ^ f) >>> 0; - l = t; - } - - // Reverse Initial Permutation - utils.rip(r, l, out, off); -}; - -DES.prototype._decrypt = function _decrypt(state, lStart, rStart, out, off) { - var l = rStart; - var r = lStart; - - // Apply f() x16 times - for (var i = state.keys.length - 2; i >= 0; i -= 2) { - var keyL = state.keys[i]; - var keyR = state.keys[i + 1]; - - // f(r, k) - utils.expand(l, state.tmp, 0); - - keyL ^= state.tmp[0]; - keyR ^= state.tmp[1]; - var s = utils.substitute(keyL, keyR); - var f = utils.permute(s); - - var t = l; - l = (r ^ f) >>> 0; - r = t; - } - - // Reverse Initial Permutation - utils.rip(l, r, out, off); -}; - -},{"./cipher":153,"./utils":156,"inherits":229,"minimalistic-assert":268}],155:[function(require,module,exports){ -'use strict'; - -var assert = require('minimalistic-assert'); -var inherits = require('inherits'); - -var Cipher = require('./cipher'); -var DES = require('./des'); - -function EDEState(type, key) { - assert.equal(key.length, 24, 'Invalid key length'); - - var k1 = key.slice(0, 8); - var k2 = key.slice(8, 16); - var k3 = key.slice(16, 24); - - if (type === 'encrypt') { - this.ciphers = [ - DES.create({ type: 'encrypt', key: k1 }), - DES.create({ type: 'decrypt', key: k2 }), - DES.create({ type: 'encrypt', key: k3 }) - ]; - } else { - this.ciphers = [ - DES.create({ type: 'decrypt', key: k3 }), - DES.create({ type: 'encrypt', key: k2 }), - DES.create({ type: 'decrypt', key: k1 }) - ]; - } -} - -function EDE(options) { - Cipher.call(this, options); - - var state = new EDEState(this.type, this.options.key); - this._edeState = state; -} -inherits(EDE, Cipher); - -module.exports = EDE; - -EDE.create = function create(options) { - return new EDE(options); -}; - -EDE.prototype._update = function _update(inp, inOff, out, outOff) { - var state = this._edeState; - - state.ciphers[0]._update(inp, inOff, out, outOff); - state.ciphers[1]._update(out, outOff, out, outOff); - state.ciphers[2]._update(out, outOff, out, outOff); -}; - -EDE.prototype._pad = DES.prototype._pad; -EDE.prototype._unpad = DES.prototype._unpad; - -},{"./cipher":153,"./des":154,"inherits":229,"minimalistic-assert":268}],156:[function(require,module,exports){ -'use strict'; - -exports.readUInt32BE = function readUInt32BE(bytes, off) { - var res = (bytes[0 + off] << 24) | - (bytes[1 + off] << 16) | - (bytes[2 + off] << 8) | - bytes[3 + off]; - return res >>> 0; -}; - -exports.writeUInt32BE = function writeUInt32BE(bytes, value, off) { - bytes[0 + off] = value >>> 24; - bytes[1 + off] = (value >>> 16) & 0xff; - bytes[2 + off] = (value >>> 8) & 0xff; - bytes[3 + off] = value & 0xff; -}; - -exports.ip = function ip(inL, inR, out, off) { - var outL = 0; - var outR = 0; - - for (var i = 6; i >= 0; i -= 2) { - for (var j = 0; j <= 24; j += 8) { - outL <<= 1; - outL |= (inR >>> (j + i)) & 1; - } - for (var j = 0; j <= 24; j += 8) { - outL <<= 1; - outL |= (inL >>> (j + i)) & 1; - } - } - - for (var i = 6; i >= 0; i -= 2) { - for (var j = 1; j <= 25; j += 8) { - outR <<= 1; - outR |= (inR >>> (j + i)) & 1; - } - for (var j = 1; j <= 25; j += 8) { - outR <<= 1; - outR |= (inL >>> (j + i)) & 1; - } - } - - out[off + 0] = outL >>> 0; - out[off + 1] = outR >>> 0; -}; - -exports.rip = function rip(inL, inR, out, off) { - var outL = 0; - var outR = 0; - - for (var i = 0; i < 4; i++) { - for (var j = 24; j >= 0; j -= 8) { - outL <<= 1; - outL |= (inR >>> (j + i)) & 1; - outL <<= 1; - outL |= (inL >>> (j + i)) & 1; - } - } - for (var i = 4; i < 8; i++) { - for (var j = 24; j >= 0; j -= 8) { - outR <<= 1; - outR |= (inR >>> (j + i)) & 1; - outR <<= 1; - outR |= (inL >>> (j + i)) & 1; - } - } - - out[off + 0] = outL >>> 0; - out[off + 1] = outR >>> 0; -}; - -exports.pc1 = function pc1(inL, inR, out, off) { - var outL = 0; - var outR = 0; - - // 7, 15, 23, 31, 39, 47, 55, 63 - // 6, 14, 22, 30, 39, 47, 55, 63 - // 5, 13, 21, 29, 39, 47, 55, 63 - // 4, 12, 20, 28 - for (var i = 7; i >= 5; i--) { - for (var j = 0; j <= 24; j += 8) { - outL <<= 1; - outL |= (inR >> (j + i)) & 1; - } - for (var j = 0; j <= 24; j += 8) { - outL <<= 1; - outL |= (inL >> (j + i)) & 1; - } - } - for (var j = 0; j <= 24; j += 8) { - outL <<= 1; - outL |= (inR >> (j + i)) & 1; - } - - // 1, 9, 17, 25, 33, 41, 49, 57 - // 2, 10, 18, 26, 34, 42, 50, 58 - // 3, 11, 19, 27, 35, 43, 51, 59 - // 36, 44, 52, 60 - for (var i = 1; i <= 3; i++) { - for (var j = 0; j <= 24; j += 8) { - outR <<= 1; - outR |= (inR >> (j + i)) & 1; - } - for (var j = 0; j <= 24; j += 8) { - outR <<= 1; - outR |= (inL >> (j + i)) & 1; - } - } - for (var j = 0; j <= 24; j += 8) { - outR <<= 1; - outR |= (inL >> (j + i)) & 1; - } - - out[off + 0] = outL >>> 0; - out[off + 1] = outR >>> 0; -}; - -exports.r28shl = function r28shl(num, shift) { - return ((num << shift) & 0xfffffff) | (num >>> (28 - shift)); -}; - -var pc2table = [ - // inL => outL - 14, 11, 17, 4, 27, 23, 25, 0, - 13, 22, 7, 18, 5, 9, 16, 24, - 2, 20, 12, 21, 1, 8, 15, 26, - - // inR => outR - 15, 4, 25, 19, 9, 1, 26, 16, - 5, 11, 23, 8, 12, 7, 17, 0, - 22, 3, 10, 14, 6, 20, 27, 24 -]; - -exports.pc2 = function pc2(inL, inR, out, off) { - var outL = 0; - var outR = 0; - - var len = pc2table.length >>> 1; - for (var i = 0; i < len; i++) { - outL <<= 1; - outL |= (inL >>> pc2table[i]) & 0x1; - } - for (var i = len; i < pc2table.length; i++) { - outR <<= 1; - outR |= (inR >>> pc2table[i]) & 0x1; - } - - out[off + 0] = outL >>> 0; - out[off + 1] = outR >>> 0; -}; - -exports.expand = function expand(r, out, off) { - var outL = 0; - var outR = 0; - - outL = ((r & 1) << 5) | (r >>> 27); - for (var i = 23; i >= 15; i -= 4) { - outL <<= 6; - outL |= (r >>> i) & 0x3f; - } - for (var i = 11; i >= 3; i -= 4) { - outR |= (r >>> i) & 0x3f; - outR <<= 6; - } - outR |= ((r & 0x1f) << 1) | (r >>> 31); - - out[off + 0] = outL >>> 0; - out[off + 1] = outR >>> 0; -}; - -var sTable = [ - 14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1, - 3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8, - 4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7, - 15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13, - - 15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14, - 9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5, - 0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2, - 5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9, - - 10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10, - 1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1, - 13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7, - 11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12, - - 7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3, - 1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9, - 10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8, - 15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14, - - 2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1, - 8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6, - 4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13, - 15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3, - - 12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5, - 0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8, - 9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10, - 7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13, - - 4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10, - 3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6, - 1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7, - 10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12, - - 13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4, - 10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2, - 7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13, - 0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11 -]; - -exports.substitute = function substitute(inL, inR) { - var out = 0; - for (var i = 0; i < 4; i++) { - var b = (inL >>> (18 - i * 6)) & 0x3f; - var sb = sTable[i * 0x40 + b]; - - out <<= 4; - out |= sb; - } - for (var i = 0; i < 4; i++) { - var b = (inR >>> (18 - i * 6)) & 0x3f; - var sb = sTable[4 * 0x40 + i * 0x40 + b]; - - out <<= 4; - out |= sb; - } - return out >>> 0; -}; - -var permuteTable = [ - 16, 25, 12, 11, 3, 20, 4, 15, 31, 17, 9, 6, 27, 14, 1, 22, - 30, 24, 8, 18, 0, 5, 29, 23, 13, 19, 2, 26, 10, 21, 28, 7 -]; - -exports.permute = function permute(num) { - var out = 0; - for (var i = 0; i < permuteTable.length; i++) { - out <<= 1; - out |= (num >>> permuteTable[i]) & 0x1; - } - return out >>> 0; -}; - -exports.padSplit = function padSplit(num, size, group) { - var str = num.toString(2); - while (str.length < size) - str = '0' + str; - - var out = []; - for (var i = 0; i < size; i += group) - out.push(str.slice(i, i + group)); - return out.join(' '); -}; - -},{}],157:[function(require,module,exports){ -(function (Buffer){(function (){ -var generatePrime = require('./lib/generatePrime') -var primes = require('./lib/primes.json') - -var DH = require('./lib/dh') - -function getDiffieHellman (mod) { - var prime = new Buffer(primes[mod].prime, 'hex') - var gen = new Buffer(primes[mod].gen, 'hex') - - return new DH(prime, gen) -} - -var ENCODINGS = { - 'binary': true, 'hex': true, 'base64': true -} - -function createDiffieHellman (prime, enc, generator, genc) { - if (Buffer.isBuffer(enc) || ENCODINGS[enc] === undefined) { - return createDiffieHellman(prime, 'binary', enc, generator) - } - - enc = enc || 'binary' - genc = genc || 'binary' - generator = generator || new Buffer([2]) - - if (!Buffer.isBuffer(generator)) { - generator = new Buffer(generator, genc) - } - - if (typeof prime === 'number') { - return new DH(generatePrime(prime, generator), generator, true) - } - - if (!Buffer.isBuffer(prime)) { - prime = new Buffer(prime, enc) - } - - return new DH(prime, generator, true) -} - -exports.DiffieHellmanGroup = exports.createDiffieHellmanGroup = exports.getDiffieHellman = getDiffieHellman -exports.createDiffieHellman = exports.DiffieHellman = createDiffieHellman - -}).call(this)}).call(this,require("buffer").Buffer) -},{"./lib/dh":158,"./lib/generatePrime":159,"./lib/primes.json":160,"buffer":110}],158:[function(require,module,exports){ -(function (Buffer){(function (){ -var BN = require('bn.js'); -var MillerRabin = require('miller-rabin'); -var millerRabin = new MillerRabin(); -var TWENTYFOUR = new BN(24); -var ELEVEN = new BN(11); -var TEN = new BN(10); -var THREE = new BN(3); -var SEVEN = new BN(7); -var primes = require('./generatePrime'); -var randomBytes = require('randombytes'); -module.exports = DH; - -function setPublicKey(pub, enc) { - enc = enc || 'utf8'; - if (!Buffer.isBuffer(pub)) { - pub = new Buffer(pub, enc); - } - this._pub = new BN(pub); - return this; -} - -function setPrivateKey(priv, enc) { - enc = enc || 'utf8'; - if (!Buffer.isBuffer(priv)) { - priv = new Buffer(priv, enc); - } - this._priv = new BN(priv); - return this; -} - -var primeCache = {}; -function checkPrime(prime, generator) { - var gen = generator.toString('hex'); - var hex = [gen, prime.toString(16)].join('_'); - if (hex in primeCache) { - return primeCache[hex]; - } - var error = 0; - - if (prime.isEven() || - !primes.simpleSieve || - !primes.fermatTest(prime) || - !millerRabin.test(prime)) { - //not a prime so +1 - error += 1; - - if (gen === '02' || gen === '05') { - // we'd be able to check the generator - // it would fail so +8 - error += 8; - } else { - //we wouldn't be able to test the generator - // so +4 - error += 4; - } - primeCache[hex] = error; - return error; - } - if (!millerRabin.test(prime.shrn(1))) { - //not a safe prime - error += 2; - } - var rem; - switch (gen) { - case '02': - if (prime.mod(TWENTYFOUR).cmp(ELEVEN)) { - // unsuidable generator - error += 8; - } - break; - case '05': - rem = prime.mod(TEN); - if (rem.cmp(THREE) && rem.cmp(SEVEN)) { - // prime mod 10 needs to equal 3 or 7 - error += 8; - } - break; - default: - error += 4; - } - primeCache[hex] = error; - return error; -} - -function DH(prime, generator, malleable) { - this.setGenerator(generator); - this.__prime = new BN(prime); - this._prime = BN.mont(this.__prime); - this._primeLen = prime.length; - this._pub = undefined; - this._priv = undefined; - this._primeCode = undefined; - if (malleable) { - this.setPublicKey = setPublicKey; - this.setPrivateKey = setPrivateKey; - } else { - this._primeCode = 8; - } -} -Object.defineProperty(DH.prototype, 'verifyError', { - enumerable: true, - get: function () { - if (typeof this._primeCode !== 'number') { - this._primeCode = checkPrime(this.__prime, this.__gen); - } - return this._primeCode; - } -}); -DH.prototype.generateKeys = function () { - if (!this._priv) { - this._priv = new BN(randomBytes(this._primeLen)); - } - this._pub = this._gen.toRed(this._prime).redPow(this._priv).fromRed(); - return this.getPublicKey(); -}; - -DH.prototype.computeSecret = function (other) { - other = new BN(other); - other = other.toRed(this._prime); - var secret = other.redPow(this._priv).fromRed(); - var out = new Buffer(secret.toArray()); - var prime = this.getPrime(); - if (out.length < prime.length) { - var front = new Buffer(prime.length - out.length); - front.fill(0); - out = Buffer.concat([front, out]); - } - return out; -}; - -DH.prototype.getPublicKey = function getPublicKey(enc) { - return formatReturnValue(this._pub, enc); -}; - -DH.prototype.getPrivateKey = function getPrivateKey(enc) { - return formatReturnValue(this._priv, enc); -}; - -DH.prototype.getPrime = function (enc) { - return formatReturnValue(this.__prime, enc); -}; - -DH.prototype.getGenerator = function (enc) { - return formatReturnValue(this._gen, enc); -}; - -DH.prototype.setGenerator = function (gen, enc) { - enc = enc || 'utf8'; - if (!Buffer.isBuffer(gen)) { - gen = new Buffer(gen, enc); - } - this.__gen = gen; - this._gen = new BN(gen); - return this; -}; - -function formatReturnValue(bn, enc) { - var buf = new Buffer(bn.toArray()); - if (!enc) { - return buf; - } else { - return buf.toString(enc); - } -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"./generatePrime":159,"bn.js":161,"buffer":110,"miller-rabin":259,"randombytes":330}],159:[function(require,module,exports){ -var randomBytes = require('randombytes'); -module.exports = findPrime; -findPrime.simpleSieve = simpleSieve; -findPrime.fermatTest = fermatTest; -var BN = require('bn.js'); -var TWENTYFOUR = new BN(24); -var MillerRabin = require('miller-rabin'); -var millerRabin = new MillerRabin(); -var ONE = new BN(1); -var TWO = new BN(2); -var FIVE = new BN(5); -var SIXTEEN = new BN(16); -var EIGHT = new BN(8); -var TEN = new BN(10); -var THREE = new BN(3); -var SEVEN = new BN(7); -var ELEVEN = new BN(11); -var FOUR = new BN(4); -var TWELVE = new BN(12); -var primes = null; - -function _getPrimes() { - if (primes !== null) - return primes; - - var limit = 0x100000; - var res = []; - res[0] = 2; - for (var i = 1, k = 3; k < limit; k += 2) { - var sqrt = Math.ceil(Math.sqrt(k)); - for (var j = 0; j < i && res[j] <= sqrt; j++) - if (k % res[j] === 0) - break; - - if (i !== j && res[j] <= sqrt) - continue; - - res[i++] = k; - } - primes = res; - return res; -} - -function simpleSieve(p) { - var primes = _getPrimes(); - - for (var i = 0; i < primes.length; i++) - if (p.modn(primes[i]) === 0) { - if (p.cmpn(primes[i]) === 0) { - return true; - } else { - return false; - } - } - - return true; -} - -function fermatTest(p) { - var red = BN.mont(p); - return TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1) === 0; -} - -function findPrime(bits, gen) { - if (bits < 16) { - // this is what openssl does - if (gen === 2 || gen === 5) { - return new BN([0x8c, 0x7b]); - } else { - return new BN([0x8c, 0x27]); - } - } - gen = new BN(gen); - - var num, n2; - - while (true) { - num = new BN(randomBytes(Math.ceil(bits / 8))); - while (num.bitLength() > bits) { - num.ishrn(1); - } - if (num.isEven()) { - num.iadd(ONE); - } - if (!num.testn(1)) { - num.iadd(TWO); - } - if (!gen.cmp(TWO)) { - while (num.mod(TWENTYFOUR).cmp(ELEVEN)) { - num.iadd(FOUR); - } - } else if (!gen.cmp(FIVE)) { - while (num.mod(TEN).cmp(THREE)) { - num.iadd(FOUR); - } - } - n2 = num.shrn(1); - if (simpleSieve(n2) && simpleSieve(num) && - fermatTest(n2) && fermatTest(num) && - millerRabin.test(n2) && millerRabin.test(num)) { - return num; - } - } - -} - -},{"bn.js":161,"miller-rabin":259,"randombytes":330}],160:[function(require,module,exports){ -module.exports={ - "modp1": { - "gen": "02", - "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff" - }, - "modp2": { - "gen": "02", - "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff" - }, - "modp5": { - "gen": "02", - "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff" - }, - "modp14": { - "gen": "02", - "prime": "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" - }, - "modp15": { - "gen": "02", - "prime": "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" - }, - "modp16": { - "gen": "02", - "prime": "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" - }, - "modp17": { - "gen": "02", - "prime": "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" - }, - "modp18": { - "gen": "02", - "prime": "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" - } -} -},{}],161:[function(require,module,exports){ -arguments[4][17][0].apply(exports,arguments) -},{"buffer":67,"dup":17}],162:[function(require,module,exports){ -'use strict'; - -var elliptic = exports; - -elliptic.version = require('../package.json').version; -elliptic.utils = require('./elliptic/utils'); -elliptic.rand = require('brorand'); -elliptic.curve = require('./elliptic/curve'); -elliptic.curves = require('./elliptic/curves'); - -// Protocols -elliptic.ec = require('./elliptic/ec'); -elliptic.eddsa = require('./elliptic/eddsa'); - -},{"../package.json":178,"./elliptic/curve":165,"./elliptic/curves":168,"./elliptic/ec":169,"./elliptic/eddsa":172,"./elliptic/utils":176,"brorand":66}],163:[function(require,module,exports){ -'use strict'; - -var BN = require('bn.js'); -var utils = require('../utils'); -var getNAF = utils.getNAF; -var getJSF = utils.getJSF; -var assert = utils.assert; - -function BaseCurve(type, conf) { - this.type = type; - this.p = new BN(conf.p, 16); - - // Use Montgomery, when there is no fast reduction for the prime - this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p); - - // Useful for many curves - this.zero = new BN(0).toRed(this.red); - this.one = new BN(1).toRed(this.red); - this.two = new BN(2).toRed(this.red); - - // Curve configuration, optional - this.n = conf.n && new BN(conf.n, 16); - this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed); - - // Temporary arrays - this._wnafT1 = new Array(4); - this._wnafT2 = new Array(4); - this._wnafT3 = new Array(4); - this._wnafT4 = new Array(4); - - this._bitLength = this.n ? this.n.bitLength() : 0; - - // Generalized Greg Maxwell's trick - var adjustCount = this.n && this.p.div(this.n); - if (!adjustCount || adjustCount.cmpn(100) > 0) { - this.redN = null; - } else { - this._maxwellTrick = true; - this.redN = this.n.toRed(this.red); - } -} -module.exports = BaseCurve; - -BaseCurve.prototype.point = function point() { - throw new Error('Not implemented'); -}; - -BaseCurve.prototype.validate = function validate() { - throw new Error('Not implemented'); -}; - -BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) { - assert(p.precomputed); - var doubles = p._getDoubles(); - - var naf = getNAF(k, 1, this._bitLength); - var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1); - I /= 3; - - // Translate into more windowed form - var repr = []; - var j; - var nafW; - for (j = 0; j < naf.length; j += doubles.step) { - nafW = 0; - for (var l = j + doubles.step - 1; l >= j; l--) - nafW = (nafW << 1) + naf[l]; - repr.push(nafW); - } - - var a = this.jpoint(null, null, null); - var b = this.jpoint(null, null, null); - for (var i = I; i > 0; i--) { - for (j = 0; j < repr.length; j++) { - nafW = repr[j]; - if (nafW === i) - b = b.mixedAdd(doubles.points[j]); - else if (nafW === -i) - b = b.mixedAdd(doubles.points[j].neg()); - } - a = a.add(b); - } - return a.toP(); -}; - -BaseCurve.prototype._wnafMul = function _wnafMul(p, k) { - var w = 4; - - // Precompute window - var nafPoints = p._getNAFPoints(w); - w = nafPoints.wnd; - var wnd = nafPoints.points; - - // Get NAF form - var naf = getNAF(k, w, this._bitLength); - - // Add `this`*(N+1) for every w-NAF index - var acc = this.jpoint(null, null, null); - for (var i = naf.length - 1; i >= 0; i--) { - // Count zeroes - for (var l = 0; i >= 0 && naf[i] === 0; i--) - l++; - if (i >= 0) - l++; - acc = acc.dblp(l); - - if (i < 0) - break; - var z = naf[i]; - assert(z !== 0); - if (p.type === 'affine') { - // J +- P - if (z > 0) - acc = acc.mixedAdd(wnd[(z - 1) >> 1]); - else - acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg()); - } else { - // J +- J - if (z > 0) - acc = acc.add(wnd[(z - 1) >> 1]); - else - acc = acc.add(wnd[(-z - 1) >> 1].neg()); - } - } - return p.type === 'affine' ? acc.toP() : acc; -}; - -BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW, - points, - coeffs, - len, - jacobianResult) { - var wndWidth = this._wnafT1; - var wnd = this._wnafT2; - var naf = this._wnafT3; - - // Fill all arrays - var max = 0; - var i; - var j; - var p; - for (i = 0; i < len; i++) { - p = points[i]; - var nafPoints = p._getNAFPoints(defW); - wndWidth[i] = nafPoints.wnd; - wnd[i] = nafPoints.points; - } - - // Comb small window NAFs - for (i = len - 1; i >= 1; i -= 2) { - var a = i - 1; - var b = i; - if (wndWidth[a] !== 1 || wndWidth[b] !== 1) { - naf[a] = getNAF(coeffs[a], wndWidth[a], this._bitLength); - naf[b] = getNAF(coeffs[b], wndWidth[b], this._bitLength); - max = Math.max(naf[a].length, max); - max = Math.max(naf[b].length, max); - continue; - } - - var comb = [ - points[a], /* 1 */ - null, /* 3 */ - null, /* 5 */ - points[b], /* 7 */ - ]; - - // Try to avoid Projective points, if possible - if (points[a].y.cmp(points[b].y) === 0) { - comb[1] = points[a].add(points[b]); - comb[2] = points[a].toJ().mixedAdd(points[b].neg()); - } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) { - comb[1] = points[a].toJ().mixedAdd(points[b]); - comb[2] = points[a].add(points[b].neg()); - } else { - comb[1] = points[a].toJ().mixedAdd(points[b]); - comb[2] = points[a].toJ().mixedAdd(points[b].neg()); - } - - var index = [ - -3, /* -1 -1 */ - -1, /* -1 0 */ - -5, /* -1 1 */ - -7, /* 0 -1 */ - 0, /* 0 0 */ - 7, /* 0 1 */ - 5, /* 1 -1 */ - 1, /* 1 0 */ - 3, /* 1 1 */ - ]; - - var jsf = getJSF(coeffs[a], coeffs[b]); - max = Math.max(jsf[0].length, max); - naf[a] = new Array(max); - naf[b] = new Array(max); - for (j = 0; j < max; j++) { - var ja = jsf[0][j] | 0; - var jb = jsf[1][j] | 0; - - naf[a][j] = index[(ja + 1) * 3 + (jb + 1)]; - naf[b][j] = 0; - wnd[a] = comb; - } - } - - var acc = this.jpoint(null, null, null); - var tmp = this._wnafT4; - for (i = max; i >= 0; i--) { - var k = 0; - - while (i >= 0) { - var zero = true; - for (j = 0; j < len; j++) { - tmp[j] = naf[j][i] | 0; - if (tmp[j] !== 0) - zero = false; - } - if (!zero) - break; - k++; - i--; - } - if (i >= 0) - k++; - acc = acc.dblp(k); - if (i < 0) - break; - - for (j = 0; j < len; j++) { - var z = tmp[j]; - p; - if (z === 0) - continue; - else if (z > 0) - p = wnd[j][(z - 1) >> 1]; - else if (z < 0) - p = wnd[j][(-z - 1) >> 1].neg(); - - if (p.type === 'affine') - acc = acc.mixedAdd(p); - else - acc = acc.add(p); - } - } - // Zeroify references - for (i = 0; i < len; i++) - wnd[i] = null; - - if (jacobianResult) - return acc; - else - return acc.toP(); -}; - -function BasePoint(curve, type) { - this.curve = curve; - this.type = type; - this.precomputed = null; -} -BaseCurve.BasePoint = BasePoint; - -BasePoint.prototype.eq = function eq(/*other*/) { - throw new Error('Not implemented'); -}; - -BasePoint.prototype.validate = function validate() { - return this.curve.validate(this); -}; - -BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) { - bytes = utils.toArray(bytes, enc); - - var len = this.p.byteLength(); - - // uncompressed, hybrid-odd, hybrid-even - if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) && - bytes.length - 1 === 2 * len) { - if (bytes[0] === 0x06) - assert(bytes[bytes.length - 1] % 2 === 0); - else if (bytes[0] === 0x07) - assert(bytes[bytes.length - 1] % 2 === 1); - - var res = this.point(bytes.slice(1, 1 + len), - bytes.slice(1 + len, 1 + 2 * len)); - - return res; - } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) && - bytes.length - 1 === len) { - return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03); - } - throw new Error('Unknown point format'); -}; - -BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) { - return this.encode(enc, true); -}; - -BasePoint.prototype._encode = function _encode(compact) { - var len = this.curve.p.byteLength(); - var x = this.getX().toArray('be', len); - - if (compact) - return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x); - - return [ 0x04 ].concat(x, this.getY().toArray('be', len)); -}; - -BasePoint.prototype.encode = function encode(enc, compact) { - return utils.encode(this._encode(compact), enc); -}; - -BasePoint.prototype.precompute = function precompute(power) { - if (this.precomputed) - return this; - - var precomputed = { - doubles: null, - naf: null, - beta: null, - }; - precomputed.naf = this._getNAFPoints(8); - precomputed.doubles = this._getDoubles(4, power); - precomputed.beta = this._getBeta(); - this.precomputed = precomputed; - - return this; -}; - -BasePoint.prototype._hasDoubles = function _hasDoubles(k) { - if (!this.precomputed) - return false; - - var doubles = this.precomputed.doubles; - if (!doubles) - return false; - - return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step); -}; - -BasePoint.prototype._getDoubles = function _getDoubles(step, power) { - if (this.precomputed && this.precomputed.doubles) - return this.precomputed.doubles; - - var doubles = [ this ]; - var acc = this; - for (var i = 0; i < power; i += step) { - for (var j = 0; j < step; j++) - acc = acc.dbl(); - doubles.push(acc); - } - return { - step: step, - points: doubles, - }; -}; - -BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) { - if (this.precomputed && this.precomputed.naf) - return this.precomputed.naf; - - var res = [ this ]; - var max = (1 << wnd) - 1; - var dbl = max === 1 ? null : this.dbl(); - for (var i = 1; i < max; i++) - res[i] = res[i - 1].add(dbl); - return { - wnd: wnd, - points: res, - }; -}; - -BasePoint.prototype._getBeta = function _getBeta() { - return null; -}; - -BasePoint.prototype.dblp = function dblp(k) { - var r = this; - for (var i = 0; i < k; i++) - r = r.dbl(); - return r; -}; - -},{"../utils":176,"bn.js":177}],164:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); -var BN = require('bn.js'); -var inherits = require('inherits'); -var Base = require('./base'); - -var assert = utils.assert; - -function EdwardsCurve(conf) { - // NOTE: Important as we are creating point in Base.call() - this.twisted = (conf.a | 0) !== 1; - this.mOneA = this.twisted && (conf.a | 0) === -1; - this.extended = this.mOneA; - - Base.call(this, 'edwards', conf); - - this.a = new BN(conf.a, 16).umod(this.red.m); - this.a = this.a.toRed(this.red); - this.c = new BN(conf.c, 16).toRed(this.red); - this.c2 = this.c.redSqr(); - this.d = new BN(conf.d, 16).toRed(this.red); - this.dd = this.d.redAdd(this.d); - - assert(!this.twisted || this.c.fromRed().cmpn(1) === 0); - this.oneC = (conf.c | 0) === 1; -} -inherits(EdwardsCurve, Base); -module.exports = EdwardsCurve; - -EdwardsCurve.prototype._mulA = function _mulA(num) { - if (this.mOneA) - return num.redNeg(); - else - return this.a.redMul(num); -}; - -EdwardsCurve.prototype._mulC = function _mulC(num) { - if (this.oneC) - return num; - else - return this.c.redMul(num); -}; - -// Just for compatibility with Short curve -EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) { - return this.point(x, y, z, t); -}; - -EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) { - x = new BN(x, 16); - if (!x.red) - x = x.toRed(this.red); - - var x2 = x.redSqr(); - var rhs = this.c2.redSub(this.a.redMul(x2)); - var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2)); - - var y2 = rhs.redMul(lhs.redInvm()); - var y = y2.redSqrt(); - if (y.redSqr().redSub(y2).cmp(this.zero) !== 0) - throw new Error('invalid point'); - - var isOdd = y.fromRed().isOdd(); - if (odd && !isOdd || !odd && isOdd) - y = y.redNeg(); - - return this.point(x, y); -}; - -EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) { - y = new BN(y, 16); - if (!y.red) - y = y.toRed(this.red); - - // x^2 = (y^2 - c^2) / (c^2 d y^2 - a) - var y2 = y.redSqr(); - var lhs = y2.redSub(this.c2); - var rhs = y2.redMul(this.d).redMul(this.c2).redSub(this.a); - var x2 = lhs.redMul(rhs.redInvm()); - - if (x2.cmp(this.zero) === 0) { - if (odd) - throw new Error('invalid point'); - else - return this.point(this.zero, y); - } - - var x = x2.redSqrt(); - if (x.redSqr().redSub(x2).cmp(this.zero) !== 0) - throw new Error('invalid point'); - - if (x.fromRed().isOdd() !== odd) - x = x.redNeg(); - - return this.point(x, y); -}; - -EdwardsCurve.prototype.validate = function validate(point) { - if (point.isInfinity()) - return true; - - // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2) - point.normalize(); - - var x2 = point.x.redSqr(); - var y2 = point.y.redSqr(); - var lhs = x2.redMul(this.a).redAdd(y2); - var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2))); - - return lhs.cmp(rhs) === 0; -}; - -function Point(curve, x, y, z, t) { - Base.BasePoint.call(this, curve, 'projective'); - if (x === null && y === null && z === null) { - this.x = this.curve.zero; - this.y = this.curve.one; - this.z = this.curve.one; - this.t = this.curve.zero; - this.zOne = true; - } else { - this.x = new BN(x, 16); - this.y = new BN(y, 16); - this.z = z ? new BN(z, 16) : this.curve.one; - this.t = t && new BN(t, 16); - if (!this.x.red) - this.x = this.x.toRed(this.curve.red); - if (!this.y.red) - this.y = this.y.toRed(this.curve.red); - if (!this.z.red) - this.z = this.z.toRed(this.curve.red); - if (this.t && !this.t.red) - this.t = this.t.toRed(this.curve.red); - this.zOne = this.z === this.curve.one; - - // Use extended coordinates - if (this.curve.extended && !this.t) { - this.t = this.x.redMul(this.y); - if (!this.zOne) - this.t = this.t.redMul(this.z.redInvm()); - } - } -} -inherits(Point, Base.BasePoint); - -EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) { - return Point.fromJSON(this, obj); -}; - -EdwardsCurve.prototype.point = function point(x, y, z, t) { - return new Point(this, x, y, z, t); -}; - -Point.fromJSON = function fromJSON(curve, obj) { - return new Point(curve, obj[0], obj[1], obj[2]); -}; - -Point.prototype.inspect = function inspect() { - if (this.isInfinity()) - return ''; - return ''; -}; - -Point.prototype.isInfinity = function isInfinity() { - // XXX This code assumes that zero is always zero in red - return this.x.cmpn(0) === 0 && - (this.y.cmp(this.z) === 0 || - (this.zOne && this.y.cmp(this.curve.c) === 0)); -}; - -Point.prototype._extDbl = function _extDbl() { - // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html - // #doubling-dbl-2008-hwcd - // 4M + 4S - - // A = X1^2 - var a = this.x.redSqr(); - // B = Y1^2 - var b = this.y.redSqr(); - // C = 2 * Z1^2 - var c = this.z.redSqr(); - c = c.redIAdd(c); - // D = a * A - var d = this.curve._mulA(a); - // E = (X1 + Y1)^2 - A - B - var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b); - // G = D + B - var g = d.redAdd(b); - // F = G - C - var f = g.redSub(c); - // H = D - B - var h = d.redSub(b); - // X3 = E * F - var nx = e.redMul(f); - // Y3 = G * H - var ny = g.redMul(h); - // T3 = E * H - var nt = e.redMul(h); - // Z3 = F * G - var nz = f.redMul(g); - return this.curve.point(nx, ny, nz, nt); -}; - -Point.prototype._projDbl = function _projDbl() { - // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html - // #doubling-dbl-2008-bbjlp - // #doubling-dbl-2007-bl - // and others - // Generally 3M + 4S or 2M + 4S - - // B = (X1 + Y1)^2 - var b = this.x.redAdd(this.y).redSqr(); - // C = X1^2 - var c = this.x.redSqr(); - // D = Y1^2 - var d = this.y.redSqr(); - - var nx; - var ny; - var nz; - var e; - var h; - var j; - if (this.curve.twisted) { - // E = a * C - e = this.curve._mulA(c); - // F = E + D - var f = e.redAdd(d); - if (this.zOne) { - // X3 = (B - C - D) * (F - 2) - nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two)); - // Y3 = F * (E - D) - ny = f.redMul(e.redSub(d)); - // Z3 = F^2 - 2 * F - nz = f.redSqr().redSub(f).redSub(f); - } else { - // H = Z1^2 - h = this.z.redSqr(); - // J = F - 2 * H - j = f.redSub(h).redISub(h); - // X3 = (B-C-D)*J - nx = b.redSub(c).redISub(d).redMul(j); - // Y3 = F * (E - D) - ny = f.redMul(e.redSub(d)); - // Z3 = F * J - nz = f.redMul(j); - } - } else { - // E = C + D - e = c.redAdd(d); - // H = (c * Z1)^2 - h = this.curve._mulC(this.z).redSqr(); - // J = E - 2 * H - j = e.redSub(h).redSub(h); - // X3 = c * (B - E) * J - nx = this.curve._mulC(b.redISub(e)).redMul(j); - // Y3 = c * E * (C - D) - ny = this.curve._mulC(e).redMul(c.redISub(d)); - // Z3 = E * J - nz = e.redMul(j); - } - return this.curve.point(nx, ny, nz); -}; - -Point.prototype.dbl = function dbl() { - if (this.isInfinity()) - return this; - - // Double in extended coordinates - if (this.curve.extended) - return this._extDbl(); - else - return this._projDbl(); -}; - -Point.prototype._extAdd = function _extAdd(p) { - // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html - // #addition-add-2008-hwcd-3 - // 8M - - // A = (Y1 - X1) * (Y2 - X2) - var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x)); - // B = (Y1 + X1) * (Y2 + X2) - var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x)); - // C = T1 * k * T2 - var c = this.t.redMul(this.curve.dd).redMul(p.t); - // D = Z1 * 2 * Z2 - var d = this.z.redMul(p.z.redAdd(p.z)); - // E = B - A - var e = b.redSub(a); - // F = D - C - var f = d.redSub(c); - // G = D + C - var g = d.redAdd(c); - // H = B + A - var h = b.redAdd(a); - // X3 = E * F - var nx = e.redMul(f); - // Y3 = G * H - var ny = g.redMul(h); - // T3 = E * H - var nt = e.redMul(h); - // Z3 = F * G - var nz = f.redMul(g); - return this.curve.point(nx, ny, nz, nt); -}; - -Point.prototype._projAdd = function _projAdd(p) { - // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html - // #addition-add-2008-bbjlp - // #addition-add-2007-bl - // 10M + 1S - - // A = Z1 * Z2 - var a = this.z.redMul(p.z); - // B = A^2 - var b = a.redSqr(); - // C = X1 * X2 - var c = this.x.redMul(p.x); - // D = Y1 * Y2 - var d = this.y.redMul(p.y); - // E = d * C * D - var e = this.curve.d.redMul(c).redMul(d); - // F = B - E - var f = b.redSub(e); - // G = B + E - var g = b.redAdd(e); - // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D) - var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d); - var nx = a.redMul(f).redMul(tmp); - var ny; - var nz; - if (this.curve.twisted) { - // Y3 = A * G * (D - a * C) - ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c))); - // Z3 = F * G - nz = f.redMul(g); - } else { - // Y3 = A * G * (D - C) - ny = a.redMul(g).redMul(d.redSub(c)); - // Z3 = c * F * G - nz = this.curve._mulC(f).redMul(g); - } - return this.curve.point(nx, ny, nz); -}; - -Point.prototype.add = function add(p) { - if (this.isInfinity()) - return p; - if (p.isInfinity()) - return this; - - if (this.curve.extended) - return this._extAdd(p); - else - return this._projAdd(p); -}; - -Point.prototype.mul = function mul(k) { - if (this._hasDoubles(k)) - return this.curve._fixedNafMul(this, k); - else - return this.curve._wnafMul(this, k); -}; - -Point.prototype.mulAdd = function mulAdd(k1, p, k2) { - return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false); -}; - -Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) { - return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true); -}; - -Point.prototype.normalize = function normalize() { - if (this.zOne) - return this; - - // Normalize coordinates - var zi = this.z.redInvm(); - this.x = this.x.redMul(zi); - this.y = this.y.redMul(zi); - if (this.t) - this.t = this.t.redMul(zi); - this.z = this.curve.one; - this.zOne = true; - return this; -}; - -Point.prototype.neg = function neg() { - return this.curve.point(this.x.redNeg(), - this.y, - this.z, - this.t && this.t.redNeg()); -}; - -Point.prototype.getX = function getX() { - this.normalize(); - return this.x.fromRed(); -}; - -Point.prototype.getY = function getY() { - this.normalize(); - return this.y.fromRed(); -}; - -Point.prototype.eq = function eq(other) { - return this === other || - this.getX().cmp(other.getX()) === 0 && - this.getY().cmp(other.getY()) === 0; -}; - -Point.prototype.eqXToP = function eqXToP(x) { - var rx = x.toRed(this.curve.red).redMul(this.z); - if (this.x.cmp(rx) === 0) - return true; - - var xc = x.clone(); - var t = this.curve.redN.redMul(this.z); - for (;;) { - xc.iadd(this.curve.n); - if (xc.cmp(this.curve.p) >= 0) - return false; - - rx.redIAdd(t); - if (this.x.cmp(rx) === 0) - return true; - } -}; - -// Compatibility with BaseCurve -Point.prototype.toP = Point.prototype.normalize; -Point.prototype.mixedAdd = Point.prototype.add; - -},{"../utils":176,"./base":163,"bn.js":177,"inherits":229}],165:[function(require,module,exports){ -'use strict'; - -var curve = exports; - -curve.base = require('./base'); -curve.short = require('./short'); -curve.mont = require('./mont'); -curve.edwards = require('./edwards'); - -},{"./base":163,"./edwards":164,"./mont":166,"./short":167}],166:[function(require,module,exports){ -'use strict'; - -var BN = require('bn.js'); -var inherits = require('inherits'); -var Base = require('./base'); - -var utils = require('../utils'); - -function MontCurve(conf) { - Base.call(this, 'mont', conf); - - this.a = new BN(conf.a, 16).toRed(this.red); - this.b = new BN(conf.b, 16).toRed(this.red); - this.i4 = new BN(4).toRed(this.red).redInvm(); - this.two = new BN(2).toRed(this.red); - this.a24 = this.i4.redMul(this.a.redAdd(this.two)); -} -inherits(MontCurve, Base); -module.exports = MontCurve; - -MontCurve.prototype.validate = function validate(point) { - var x = point.normalize().x; - var x2 = x.redSqr(); - var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x); - var y = rhs.redSqrt(); - - return y.redSqr().cmp(rhs) === 0; -}; - -function Point(curve, x, z) { - Base.BasePoint.call(this, curve, 'projective'); - if (x === null && z === null) { - this.x = this.curve.one; - this.z = this.curve.zero; - } else { - this.x = new BN(x, 16); - this.z = new BN(z, 16); - if (!this.x.red) - this.x = this.x.toRed(this.curve.red); - if (!this.z.red) - this.z = this.z.toRed(this.curve.red); - } -} -inherits(Point, Base.BasePoint); - -MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) { - return this.point(utils.toArray(bytes, enc), 1); -}; - -MontCurve.prototype.point = function point(x, z) { - return new Point(this, x, z); -}; - -MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) { - return Point.fromJSON(this, obj); -}; - -Point.prototype.precompute = function precompute() { - // No-op -}; - -Point.prototype._encode = function _encode() { - return this.getX().toArray('be', this.curve.p.byteLength()); -}; - -Point.fromJSON = function fromJSON(curve, obj) { - return new Point(curve, obj[0], obj[1] || curve.one); -}; - -Point.prototype.inspect = function inspect() { - if (this.isInfinity()) - return ''; - return ''; -}; - -Point.prototype.isInfinity = function isInfinity() { - // XXX This code assumes that zero is always zero in red - return this.z.cmpn(0) === 0; -}; - -Point.prototype.dbl = function dbl() { - // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3 - // 2M + 2S + 4A - - // A = X1 + Z1 - var a = this.x.redAdd(this.z); - // AA = A^2 - var aa = a.redSqr(); - // B = X1 - Z1 - var b = this.x.redSub(this.z); - // BB = B^2 - var bb = b.redSqr(); - // C = AA - BB - var c = aa.redSub(bb); - // X3 = AA * BB - var nx = aa.redMul(bb); - // Z3 = C * (BB + A24 * C) - var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c))); - return this.curve.point(nx, nz); -}; - -Point.prototype.add = function add() { - throw new Error('Not supported on Montgomery curve'); -}; - -Point.prototype.diffAdd = function diffAdd(p, diff) { - // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3 - // 4M + 2S + 6A - - // A = X2 + Z2 - var a = this.x.redAdd(this.z); - // B = X2 - Z2 - var b = this.x.redSub(this.z); - // C = X3 + Z3 - var c = p.x.redAdd(p.z); - // D = X3 - Z3 - var d = p.x.redSub(p.z); - // DA = D * A - var da = d.redMul(a); - // CB = C * B - var cb = c.redMul(b); - // X5 = Z1 * (DA + CB)^2 - var nx = diff.z.redMul(da.redAdd(cb).redSqr()); - // Z5 = X1 * (DA - CB)^2 - var nz = diff.x.redMul(da.redISub(cb).redSqr()); - return this.curve.point(nx, nz); -}; - -Point.prototype.mul = function mul(k) { - var t = k.clone(); - var a = this; // (N / 2) * Q + Q - var b = this.curve.point(null, null); // (N / 2) * Q - var c = this; // Q - - for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1)) - bits.push(t.andln(1)); - - for (var i = bits.length - 1; i >= 0; i--) { - if (bits[i] === 0) { - // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q - a = a.diffAdd(b, c); - // N * Q = 2 * ((N / 2) * Q + Q)) - b = b.dbl(); - } else { - // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q) - b = a.diffAdd(b, c); - // N * Q + Q = 2 * ((N / 2) * Q + Q) - a = a.dbl(); - } - } - return b; -}; - -Point.prototype.mulAdd = function mulAdd() { - throw new Error('Not supported on Montgomery curve'); -}; - -Point.prototype.jumlAdd = function jumlAdd() { - throw new Error('Not supported on Montgomery curve'); -}; - -Point.prototype.eq = function eq(other) { - return this.getX().cmp(other.getX()) === 0; -}; - -Point.prototype.normalize = function normalize() { - this.x = this.x.redMul(this.z.redInvm()); - this.z = this.curve.one; - return this; -}; - -Point.prototype.getX = function getX() { - // Normalize coordinates - this.normalize(); - - return this.x.fromRed(); -}; - -},{"../utils":176,"./base":163,"bn.js":177,"inherits":229}],167:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); -var BN = require('bn.js'); -var inherits = require('inherits'); -var Base = require('./base'); - -var assert = utils.assert; - -function ShortCurve(conf) { - Base.call(this, 'short', conf); - - this.a = new BN(conf.a, 16).toRed(this.red); - this.b = new BN(conf.b, 16).toRed(this.red); - this.tinv = this.two.redInvm(); - - this.zeroA = this.a.fromRed().cmpn(0) === 0; - this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0; - - // If the curve is endomorphic, precalculate beta and lambda - this.endo = this._getEndomorphism(conf); - this._endoWnafT1 = new Array(4); - this._endoWnafT2 = new Array(4); -} -inherits(ShortCurve, Base); -module.exports = ShortCurve; - -ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) { - // No efficient endomorphism - if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1) - return; - - // Compute beta and lambda, that lambda * P = (beta * Px; Py) - var beta; - var lambda; - if (conf.beta) { - beta = new BN(conf.beta, 16).toRed(this.red); - } else { - var betas = this._getEndoRoots(this.p); - // Choose the smallest beta - beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1]; - beta = beta.toRed(this.red); - } - if (conf.lambda) { - lambda = new BN(conf.lambda, 16); - } else { - // Choose the lambda that is matching selected beta - var lambdas = this._getEndoRoots(this.n); - if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) { - lambda = lambdas[0]; - } else { - lambda = lambdas[1]; - assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0); - } - } - - // Get basis vectors, used for balanced length-two representation - var basis; - if (conf.basis) { - basis = conf.basis.map(function(vec) { - return { - a: new BN(vec.a, 16), - b: new BN(vec.b, 16), - }; - }); - } else { - basis = this._getEndoBasis(lambda); - } - - return { - beta: beta, - lambda: lambda, - basis: basis, - }; -}; - -ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) { - // Find roots of for x^2 + x + 1 in F - // Root = (-1 +- Sqrt(-3)) / 2 - // - var red = num === this.p ? this.red : BN.mont(num); - var tinv = new BN(2).toRed(red).redInvm(); - var ntinv = tinv.redNeg(); - - var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv); - - var l1 = ntinv.redAdd(s).fromRed(); - var l2 = ntinv.redSub(s).fromRed(); - return [ l1, l2 ]; -}; - -ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) { - // aprxSqrt >= sqrt(this.n) - var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2)); - - // 3.74 - // Run EGCD, until r(L + 1) < aprxSqrt - var u = lambda; - var v = this.n.clone(); - var x1 = new BN(1); - var y1 = new BN(0); - var x2 = new BN(0); - var y2 = new BN(1); - - // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n) - var a0; - var b0; - // First vector - var a1; - var b1; - // Second vector - var a2; - var b2; - - var prevR; - var i = 0; - var r; - var x; - while (u.cmpn(0) !== 0) { - var q = v.div(u); - r = v.sub(q.mul(u)); - x = x2.sub(q.mul(x1)); - var y = y2.sub(q.mul(y1)); - - if (!a1 && r.cmp(aprxSqrt) < 0) { - a0 = prevR.neg(); - b0 = x1; - a1 = r.neg(); - b1 = x; - } else if (a1 && ++i === 2) { - break; - } - prevR = r; - - v = u; - u = r; - x2 = x1; - x1 = x; - y2 = y1; - y1 = y; - } - a2 = r.neg(); - b2 = x; - - var len1 = a1.sqr().add(b1.sqr()); - var len2 = a2.sqr().add(b2.sqr()); - if (len2.cmp(len1) >= 0) { - a2 = a0; - b2 = b0; - } - - // Normalize signs - if (a1.negative) { - a1 = a1.neg(); - b1 = b1.neg(); - } - if (a2.negative) { - a2 = a2.neg(); - b2 = b2.neg(); - } - - return [ - { a: a1, b: b1 }, - { a: a2, b: b2 }, - ]; -}; - -ShortCurve.prototype._endoSplit = function _endoSplit(k) { - var basis = this.endo.basis; - var v1 = basis[0]; - var v2 = basis[1]; - - var c1 = v2.b.mul(k).divRound(this.n); - var c2 = v1.b.neg().mul(k).divRound(this.n); - - var p1 = c1.mul(v1.a); - var p2 = c2.mul(v2.a); - var q1 = c1.mul(v1.b); - var q2 = c2.mul(v2.b); - - // Calculate answer - var k1 = k.sub(p1).sub(p2); - var k2 = q1.add(q2).neg(); - return { k1: k1, k2: k2 }; -}; - -ShortCurve.prototype.pointFromX = function pointFromX(x, odd) { - x = new BN(x, 16); - if (!x.red) - x = x.toRed(this.red); - - var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b); - var y = y2.redSqrt(); - if (y.redSqr().redSub(y2).cmp(this.zero) !== 0) - throw new Error('invalid point'); - - // XXX Is there any way to tell if the number is odd without converting it - // to non-red form? - var isOdd = y.fromRed().isOdd(); - if (odd && !isOdd || !odd && isOdd) - y = y.redNeg(); - - return this.point(x, y); -}; - -ShortCurve.prototype.validate = function validate(point) { - if (point.inf) - return true; - - var x = point.x; - var y = point.y; - - var ax = this.a.redMul(x); - var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b); - return y.redSqr().redISub(rhs).cmpn(0) === 0; -}; - -ShortCurve.prototype._endoWnafMulAdd = - function _endoWnafMulAdd(points, coeffs, jacobianResult) { - var npoints = this._endoWnafT1; - var ncoeffs = this._endoWnafT2; - for (var i = 0; i < points.length; i++) { - var split = this._endoSplit(coeffs[i]); - var p = points[i]; - var beta = p._getBeta(); - - if (split.k1.negative) { - split.k1.ineg(); - p = p.neg(true); - } - if (split.k2.negative) { - split.k2.ineg(); - beta = beta.neg(true); - } - - npoints[i * 2] = p; - npoints[i * 2 + 1] = beta; - ncoeffs[i * 2] = split.k1; - ncoeffs[i * 2 + 1] = split.k2; - } - var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult); - - // Clean-up references to points and coefficients - for (var j = 0; j < i * 2; j++) { - npoints[j] = null; - ncoeffs[j] = null; - } - return res; - }; - -function Point(curve, x, y, isRed) { - Base.BasePoint.call(this, curve, 'affine'); - if (x === null && y === null) { - this.x = null; - this.y = null; - this.inf = true; - } else { - this.x = new BN(x, 16); - this.y = new BN(y, 16); - // Force redgomery representation when loading from JSON - if (isRed) { - this.x.forceRed(this.curve.red); - this.y.forceRed(this.curve.red); - } - if (!this.x.red) - this.x = this.x.toRed(this.curve.red); - if (!this.y.red) - this.y = this.y.toRed(this.curve.red); - this.inf = false; - } -} -inherits(Point, Base.BasePoint); - -ShortCurve.prototype.point = function point(x, y, isRed) { - return new Point(this, x, y, isRed); -}; - -ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) { - return Point.fromJSON(this, obj, red); -}; - -Point.prototype._getBeta = function _getBeta() { - if (!this.curve.endo) - return; - - var pre = this.precomputed; - if (pre && pre.beta) - return pre.beta; - - var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y); - if (pre) { - var curve = this.curve; - var endoMul = function(p) { - return curve.point(p.x.redMul(curve.endo.beta), p.y); - }; - pre.beta = beta; - beta.precomputed = { - beta: null, - naf: pre.naf && { - wnd: pre.naf.wnd, - points: pre.naf.points.map(endoMul), - }, - doubles: pre.doubles && { - step: pre.doubles.step, - points: pre.doubles.points.map(endoMul), - }, - }; - } - return beta; -}; - -Point.prototype.toJSON = function toJSON() { - if (!this.precomputed) - return [ this.x, this.y ]; - - return [ this.x, this.y, this.precomputed && { - doubles: this.precomputed.doubles && { - step: this.precomputed.doubles.step, - points: this.precomputed.doubles.points.slice(1), - }, - naf: this.precomputed.naf && { - wnd: this.precomputed.naf.wnd, - points: this.precomputed.naf.points.slice(1), - }, - } ]; -}; - -Point.fromJSON = function fromJSON(curve, obj, red) { - if (typeof obj === 'string') - obj = JSON.parse(obj); - var res = curve.point(obj[0], obj[1], red); - if (!obj[2]) - return res; - - function obj2point(obj) { - return curve.point(obj[0], obj[1], red); - } - - var pre = obj[2]; - res.precomputed = { - beta: null, - doubles: pre.doubles && { - step: pre.doubles.step, - points: [ res ].concat(pre.doubles.points.map(obj2point)), - }, - naf: pre.naf && { - wnd: pre.naf.wnd, - points: [ res ].concat(pre.naf.points.map(obj2point)), - }, - }; - return res; -}; - -Point.prototype.inspect = function inspect() { - if (this.isInfinity()) - return ''; - return ''; -}; - -Point.prototype.isInfinity = function isInfinity() { - return this.inf; -}; - -Point.prototype.add = function add(p) { - // O + P = P - if (this.inf) - return p; - - // P + O = P - if (p.inf) - return this; - - // P + P = 2P - if (this.eq(p)) - return this.dbl(); - - // P + (-P) = O - if (this.neg().eq(p)) - return this.curve.point(null, null); - - // P + Q = O - if (this.x.cmp(p.x) === 0) - return this.curve.point(null, null); - - var c = this.y.redSub(p.y); - if (c.cmpn(0) !== 0) - c = c.redMul(this.x.redSub(p.x).redInvm()); - var nx = c.redSqr().redISub(this.x).redISub(p.x); - var ny = c.redMul(this.x.redSub(nx)).redISub(this.y); - return this.curve.point(nx, ny); -}; - -Point.prototype.dbl = function dbl() { - if (this.inf) - return this; - - // 2P = O - var ys1 = this.y.redAdd(this.y); - if (ys1.cmpn(0) === 0) - return this.curve.point(null, null); - - var a = this.curve.a; - - var x2 = this.x.redSqr(); - var dyinv = ys1.redInvm(); - var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv); - - var nx = c.redSqr().redISub(this.x.redAdd(this.x)); - var ny = c.redMul(this.x.redSub(nx)).redISub(this.y); - return this.curve.point(nx, ny); -}; - -Point.prototype.getX = function getX() { - return this.x.fromRed(); -}; - -Point.prototype.getY = function getY() { - return this.y.fromRed(); -}; - -Point.prototype.mul = function mul(k) { - k = new BN(k, 16); - if (this.isInfinity()) - return this; - else if (this._hasDoubles(k)) - return this.curve._fixedNafMul(this, k); - else if (this.curve.endo) - return this.curve._endoWnafMulAdd([ this ], [ k ]); - else - return this.curve._wnafMul(this, k); -}; - -Point.prototype.mulAdd = function mulAdd(k1, p2, k2) { - var points = [ this, p2 ]; - var coeffs = [ k1, k2 ]; - if (this.curve.endo) - return this.curve._endoWnafMulAdd(points, coeffs); - else - return this.curve._wnafMulAdd(1, points, coeffs, 2); -}; - -Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) { - var points = [ this, p2 ]; - var coeffs = [ k1, k2 ]; - if (this.curve.endo) - return this.curve._endoWnafMulAdd(points, coeffs, true); - else - return this.curve._wnafMulAdd(1, points, coeffs, 2, true); -}; - -Point.prototype.eq = function eq(p) { - return this === p || - this.inf === p.inf && - (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0); -}; - -Point.prototype.neg = function neg(_precompute) { - if (this.inf) - return this; - - var res = this.curve.point(this.x, this.y.redNeg()); - if (_precompute && this.precomputed) { - var pre = this.precomputed; - var negate = function(p) { - return p.neg(); - }; - res.precomputed = { - naf: pre.naf && { - wnd: pre.naf.wnd, - points: pre.naf.points.map(negate), - }, - doubles: pre.doubles && { - step: pre.doubles.step, - points: pre.doubles.points.map(negate), - }, - }; - } - return res; -}; - -Point.prototype.toJ = function toJ() { - if (this.inf) - return this.curve.jpoint(null, null, null); - - var res = this.curve.jpoint(this.x, this.y, this.curve.one); - return res; -}; - -function JPoint(curve, x, y, z) { - Base.BasePoint.call(this, curve, 'jacobian'); - if (x === null && y === null && z === null) { - this.x = this.curve.one; - this.y = this.curve.one; - this.z = new BN(0); - } else { - this.x = new BN(x, 16); - this.y = new BN(y, 16); - this.z = new BN(z, 16); - } - if (!this.x.red) - this.x = this.x.toRed(this.curve.red); - if (!this.y.red) - this.y = this.y.toRed(this.curve.red); - if (!this.z.red) - this.z = this.z.toRed(this.curve.red); - - this.zOne = this.z === this.curve.one; -} -inherits(JPoint, Base.BasePoint); - -ShortCurve.prototype.jpoint = function jpoint(x, y, z) { - return new JPoint(this, x, y, z); -}; - -JPoint.prototype.toP = function toP() { - if (this.isInfinity()) - return this.curve.point(null, null); - - var zinv = this.z.redInvm(); - var zinv2 = zinv.redSqr(); - var ax = this.x.redMul(zinv2); - var ay = this.y.redMul(zinv2).redMul(zinv); - - return this.curve.point(ax, ay); -}; - -JPoint.prototype.neg = function neg() { - return this.curve.jpoint(this.x, this.y.redNeg(), this.z); -}; - -JPoint.prototype.add = function add(p) { - // O + P = P - if (this.isInfinity()) - return p; - - // P + O = P - if (p.isInfinity()) - return this; - - // 12M + 4S + 7A - var pz2 = p.z.redSqr(); - var z2 = this.z.redSqr(); - var u1 = this.x.redMul(pz2); - var u2 = p.x.redMul(z2); - var s1 = this.y.redMul(pz2.redMul(p.z)); - var s2 = p.y.redMul(z2.redMul(this.z)); - - var h = u1.redSub(u2); - var r = s1.redSub(s2); - if (h.cmpn(0) === 0) { - if (r.cmpn(0) !== 0) - return this.curve.jpoint(null, null, null); - else - return this.dbl(); - } - - var h2 = h.redSqr(); - var h3 = h2.redMul(h); - var v = u1.redMul(h2); - - var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v); - var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)); - var nz = this.z.redMul(p.z).redMul(h); - - return this.curve.jpoint(nx, ny, nz); -}; - -JPoint.prototype.mixedAdd = function mixedAdd(p) { - // O + P = P - if (this.isInfinity()) - return p.toJ(); - - // P + O = P - if (p.isInfinity()) - return this; - - // 8M + 3S + 7A - var z2 = this.z.redSqr(); - var u1 = this.x; - var u2 = p.x.redMul(z2); - var s1 = this.y; - var s2 = p.y.redMul(z2).redMul(this.z); - - var h = u1.redSub(u2); - var r = s1.redSub(s2); - if (h.cmpn(0) === 0) { - if (r.cmpn(0) !== 0) - return this.curve.jpoint(null, null, null); - else - return this.dbl(); - } - - var h2 = h.redSqr(); - var h3 = h2.redMul(h); - var v = u1.redMul(h2); - - var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v); - var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)); - var nz = this.z.redMul(h); - - return this.curve.jpoint(nx, ny, nz); -}; - -JPoint.prototype.dblp = function dblp(pow) { - if (pow === 0) - return this; - if (this.isInfinity()) - return this; - if (!pow) - return this.dbl(); - - var i; - if (this.curve.zeroA || this.curve.threeA) { - var r = this; - for (i = 0; i < pow; i++) - r = r.dbl(); - return r; - } - - // 1M + 2S + 1A + N * (4S + 5M + 8A) - // N = 1 => 6M + 6S + 9A - var a = this.curve.a; - var tinv = this.curve.tinv; - - var jx = this.x; - var jy = this.y; - var jz = this.z; - var jz4 = jz.redSqr().redSqr(); - - // Reuse results - var jyd = jy.redAdd(jy); - for (i = 0; i < pow; i++) { - var jx2 = jx.redSqr(); - var jyd2 = jyd.redSqr(); - var jyd4 = jyd2.redSqr(); - var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)); - - var t1 = jx.redMul(jyd2); - var nx = c.redSqr().redISub(t1.redAdd(t1)); - var t2 = t1.redISub(nx); - var dny = c.redMul(t2); - dny = dny.redIAdd(dny).redISub(jyd4); - var nz = jyd.redMul(jz); - if (i + 1 < pow) - jz4 = jz4.redMul(jyd4); - - jx = nx; - jz = nz; - jyd = dny; - } - - return this.curve.jpoint(jx, jyd.redMul(tinv), jz); -}; - -JPoint.prototype.dbl = function dbl() { - if (this.isInfinity()) - return this; - - if (this.curve.zeroA) - return this._zeroDbl(); - else if (this.curve.threeA) - return this._threeDbl(); - else - return this._dbl(); -}; - -JPoint.prototype._zeroDbl = function _zeroDbl() { - var nx; - var ny; - var nz; - // Z = 1 - if (this.zOne) { - // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html - // #doubling-mdbl-2007-bl - // 1M + 5S + 14A - - // XX = X1^2 - var xx = this.x.redSqr(); - // YY = Y1^2 - var yy = this.y.redSqr(); - // YYYY = YY^2 - var yyyy = yy.redSqr(); - // S = 2 * ((X1 + YY)^2 - XX - YYYY) - var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); - s = s.redIAdd(s); - // M = 3 * XX + a; a = 0 - var m = xx.redAdd(xx).redIAdd(xx); - // T = M ^ 2 - 2*S - var t = m.redSqr().redISub(s).redISub(s); - - // 8 * YYYY - var yyyy8 = yyyy.redIAdd(yyyy); - yyyy8 = yyyy8.redIAdd(yyyy8); - yyyy8 = yyyy8.redIAdd(yyyy8); - - // X3 = T - nx = t; - // Y3 = M * (S - T) - 8 * YYYY - ny = m.redMul(s.redISub(t)).redISub(yyyy8); - // Z3 = 2*Y1 - nz = this.y.redAdd(this.y); - } else { - // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html - // #doubling-dbl-2009-l - // 2M + 5S + 13A - - // A = X1^2 - var a = this.x.redSqr(); - // B = Y1^2 - var b = this.y.redSqr(); - // C = B^2 - var c = b.redSqr(); - // D = 2 * ((X1 + B)^2 - A - C) - var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c); - d = d.redIAdd(d); - // E = 3 * A - var e = a.redAdd(a).redIAdd(a); - // F = E^2 - var f = e.redSqr(); - - // 8 * C - var c8 = c.redIAdd(c); - c8 = c8.redIAdd(c8); - c8 = c8.redIAdd(c8); - - // X3 = F - 2 * D - nx = f.redISub(d).redISub(d); - // Y3 = E * (D - X3) - 8 * C - ny = e.redMul(d.redISub(nx)).redISub(c8); - // Z3 = 2 * Y1 * Z1 - nz = this.y.redMul(this.z); - nz = nz.redIAdd(nz); - } - - return this.curve.jpoint(nx, ny, nz); -}; - -JPoint.prototype._threeDbl = function _threeDbl() { - var nx; - var ny; - var nz; - // Z = 1 - if (this.zOne) { - // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html - // #doubling-mdbl-2007-bl - // 1M + 5S + 15A - - // XX = X1^2 - var xx = this.x.redSqr(); - // YY = Y1^2 - var yy = this.y.redSqr(); - // YYYY = YY^2 - var yyyy = yy.redSqr(); - // S = 2 * ((X1 + YY)^2 - XX - YYYY) - var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); - s = s.redIAdd(s); - // M = 3 * XX + a - var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a); - // T = M^2 - 2 * S - var t = m.redSqr().redISub(s).redISub(s); - // X3 = T - nx = t; - // Y3 = M * (S - T) - 8 * YYYY - var yyyy8 = yyyy.redIAdd(yyyy); - yyyy8 = yyyy8.redIAdd(yyyy8); - yyyy8 = yyyy8.redIAdd(yyyy8); - ny = m.redMul(s.redISub(t)).redISub(yyyy8); - // Z3 = 2 * Y1 - nz = this.y.redAdd(this.y); - } else { - // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b - // 3M + 5S - - // delta = Z1^2 - var delta = this.z.redSqr(); - // gamma = Y1^2 - var gamma = this.y.redSqr(); - // beta = X1 * gamma - var beta = this.x.redMul(gamma); - // alpha = 3 * (X1 - delta) * (X1 + delta) - var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta)); - alpha = alpha.redAdd(alpha).redIAdd(alpha); - // X3 = alpha^2 - 8 * beta - var beta4 = beta.redIAdd(beta); - beta4 = beta4.redIAdd(beta4); - var beta8 = beta4.redAdd(beta4); - nx = alpha.redSqr().redISub(beta8); - // Z3 = (Y1 + Z1)^2 - gamma - delta - nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta); - // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2 - var ggamma8 = gamma.redSqr(); - ggamma8 = ggamma8.redIAdd(ggamma8); - ggamma8 = ggamma8.redIAdd(ggamma8); - ggamma8 = ggamma8.redIAdd(ggamma8); - ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8); - } - - return this.curve.jpoint(nx, ny, nz); -}; - -JPoint.prototype._dbl = function _dbl() { - var a = this.curve.a; - - // 4M + 6S + 10A - var jx = this.x; - var jy = this.y; - var jz = this.z; - var jz4 = jz.redSqr().redSqr(); - - var jx2 = jx.redSqr(); - var jy2 = jy.redSqr(); - - var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)); - - var jxd4 = jx.redAdd(jx); - jxd4 = jxd4.redIAdd(jxd4); - var t1 = jxd4.redMul(jy2); - var nx = c.redSqr().redISub(t1.redAdd(t1)); - var t2 = t1.redISub(nx); - - var jyd8 = jy2.redSqr(); - jyd8 = jyd8.redIAdd(jyd8); - jyd8 = jyd8.redIAdd(jyd8); - jyd8 = jyd8.redIAdd(jyd8); - var ny = c.redMul(t2).redISub(jyd8); - var nz = jy.redAdd(jy).redMul(jz); - - return this.curve.jpoint(nx, ny, nz); -}; - -JPoint.prototype.trpl = function trpl() { - if (!this.curve.zeroA) - return this.dbl().add(this); - - // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl - // 5M + 10S + ... - - // XX = X1^2 - var xx = this.x.redSqr(); - // YY = Y1^2 - var yy = this.y.redSqr(); - // ZZ = Z1^2 - var zz = this.z.redSqr(); - // YYYY = YY^2 - var yyyy = yy.redSqr(); - // M = 3 * XX + a * ZZ2; a = 0 - var m = xx.redAdd(xx).redIAdd(xx); - // MM = M^2 - var mm = m.redSqr(); - // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM - var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); - e = e.redIAdd(e); - e = e.redAdd(e).redIAdd(e); - e = e.redISub(mm); - // EE = E^2 - var ee = e.redSqr(); - // T = 16*YYYY - var t = yyyy.redIAdd(yyyy); - t = t.redIAdd(t); - t = t.redIAdd(t); - t = t.redIAdd(t); - // U = (M + E)^2 - MM - EE - T - var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t); - // X3 = 4 * (X1 * EE - 4 * YY * U) - var yyu4 = yy.redMul(u); - yyu4 = yyu4.redIAdd(yyu4); - yyu4 = yyu4.redIAdd(yyu4); - var nx = this.x.redMul(ee).redISub(yyu4); - nx = nx.redIAdd(nx); - nx = nx.redIAdd(nx); - // Y3 = 8 * Y1 * (U * (T - U) - E * EE) - var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee))); - ny = ny.redIAdd(ny); - ny = ny.redIAdd(ny); - ny = ny.redIAdd(ny); - // Z3 = (Z1 + E)^2 - ZZ - EE - var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee); - - return this.curve.jpoint(nx, ny, nz); -}; - -JPoint.prototype.mul = function mul(k, kbase) { - k = new BN(k, kbase); - - return this.curve._wnafMul(this, k); -}; - -JPoint.prototype.eq = function eq(p) { - if (p.type === 'affine') - return this.eq(p.toJ()); - - if (this === p) - return true; - - // x1 * z2^2 == x2 * z1^2 - var z2 = this.z.redSqr(); - var pz2 = p.z.redSqr(); - if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0) - return false; - - // y1 * z2^3 == y2 * z1^3 - var z3 = z2.redMul(this.z); - var pz3 = pz2.redMul(p.z); - return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0; -}; - -JPoint.prototype.eqXToP = function eqXToP(x) { - var zs = this.z.redSqr(); - var rx = x.toRed(this.curve.red).redMul(zs); - if (this.x.cmp(rx) === 0) - return true; - - var xc = x.clone(); - var t = this.curve.redN.redMul(zs); - for (;;) { - xc.iadd(this.curve.n); - if (xc.cmp(this.curve.p) >= 0) - return false; - - rx.redIAdd(t); - if (this.x.cmp(rx) === 0) - return true; - } -}; - -JPoint.prototype.inspect = function inspect() { - if (this.isInfinity()) - return ''; - return ''; -}; - -JPoint.prototype.isInfinity = function isInfinity() { - // XXX This code assumes that zero is always zero in red - return this.z.cmpn(0) === 0; -}; - -},{"../utils":176,"./base":163,"bn.js":177,"inherits":229}],168:[function(require,module,exports){ -'use strict'; - -var curves = exports; - -var hash = require('hash.js'); -var curve = require('./curve'); -var utils = require('./utils'); - -var assert = utils.assert; - -function PresetCurve(options) { - if (options.type === 'short') - this.curve = new curve.short(options); - else if (options.type === 'edwards') - this.curve = new curve.edwards(options); - else - this.curve = new curve.mont(options); - this.g = this.curve.g; - this.n = this.curve.n; - this.hash = options.hash; - - assert(this.g.validate(), 'Invalid curve'); - assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O'); -} -curves.PresetCurve = PresetCurve; - -function defineCurve(name, options) { - Object.defineProperty(curves, name, { - configurable: true, - enumerable: true, - get: function() { - var curve = new PresetCurve(options); - Object.defineProperty(curves, name, { - configurable: true, - enumerable: true, - value: curve, - }); - return curve; - }, - }); -} - -defineCurve('p192', { - type: 'short', - prime: 'p192', - p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff', - a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc', - b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1', - n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831', - hash: hash.sha256, - gRed: false, - g: [ - '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012', - '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811', - ], -}); - -defineCurve('p224', { - type: 'short', - prime: 'p224', - p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001', - a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe', - b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4', - n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d', - hash: hash.sha256, - gRed: false, - g: [ - 'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21', - 'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34', - ], -}); - -defineCurve('p256', { - type: 'short', - prime: null, - p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff', - a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc', - b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b', - n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551', - hash: hash.sha256, - gRed: false, - g: [ - '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296', - '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5', - ], -}); - -defineCurve('p384', { - type: 'short', - prime: null, - p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + - 'fffffffe ffffffff 00000000 00000000 ffffffff', - a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + - 'fffffffe ffffffff 00000000 00000000 fffffffc', - b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' + - '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef', - n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' + - 'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973', - hash: hash.sha384, - gRed: false, - g: [ - 'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' + - '5502f25d bf55296c 3a545e38 72760ab7', - '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' + - '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f', - ], -}); - -defineCurve('p521', { - type: 'short', - prime: null, - p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + - 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + - 'ffffffff ffffffff ffffffff ffffffff ffffffff', - a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + - 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + - 'ffffffff ffffffff ffffffff ffffffff fffffffc', - b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' + - '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' + - '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00', - n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + - 'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' + - 'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409', - hash: hash.sha512, - gRed: false, - g: [ - '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' + - '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' + - 'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66', - '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' + - '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' + - '3fad0761 353c7086 a272c240 88be9476 9fd16650', - ], -}); - -defineCurve('curve25519', { - type: 'mont', - prime: 'p25519', - p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed', - a: '76d06', - b: '1', - n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed', - hash: hash.sha256, - gRed: false, - g: [ - '9', - ], -}); - -defineCurve('ed25519', { - type: 'edwards', - prime: 'p25519', - p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed', - a: '-1', - c: '1', - // -121665 * (121666^(-1)) (mod P) - d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3', - n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed', - hash: hash.sha256, - gRed: false, - g: [ - '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a', - - // 4/5 - '6666666666666666666666666666666666666666666666666666666666666658', - ], -}); - -var pre; -try { - pre = require('./precomputed/secp256k1'); -} catch (e) { - pre = undefined; -} - -defineCurve('secp256k1', { - type: 'short', - prime: 'k256', - p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f', - a: '0', - b: '7', - n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141', - h: '1', - hash: hash.sha256, - - // Precomputed endomorphism - beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee', - lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72', - basis: [ - { - a: '3086d221a7d46bcde86c90e49284eb15', - b: '-e4437ed6010e88286f547fa90abfe4c3', - }, - { - a: '114ca50f7a8e2f3f657c1108d9d44cfd8', - b: '3086d221a7d46bcde86c90e49284eb15', - }, - ], - - gRed: false, - g: [ - '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798', - '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8', - pre, - ], -}); - -},{"./curve":165,"./precomputed/secp256k1":175,"./utils":176,"hash.js":212}],169:[function(require,module,exports){ -'use strict'; - -var BN = require('bn.js'); -var HmacDRBG = require('hmac-drbg'); -var utils = require('../utils'); -var curves = require('../curves'); -var rand = require('brorand'); -var assert = utils.assert; - -var KeyPair = require('./key'); -var Signature = require('./signature'); - -function EC(options) { - if (!(this instanceof EC)) - return new EC(options); - - // Shortcut `elliptic.ec(curve-name)` - if (typeof options === 'string') { - assert(Object.prototype.hasOwnProperty.call(curves, options), - 'Unknown curve ' + options); - - options = curves[options]; - } - - // Shortcut for `elliptic.ec(elliptic.curves.curveName)` - if (options instanceof curves.PresetCurve) - options = { curve: options }; - - this.curve = options.curve.curve; - this.n = this.curve.n; - this.nh = this.n.ushrn(1); - this.g = this.curve.g; - - // Point on curve - this.g = options.curve.g; - this.g.precompute(options.curve.n.bitLength() + 1); - - // Hash for function for DRBG - this.hash = options.hash || options.curve.hash; -} -module.exports = EC; - -EC.prototype.keyPair = function keyPair(options) { - return new KeyPair(this, options); -}; - -EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) { - return KeyPair.fromPrivate(this, priv, enc); -}; - -EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) { - return KeyPair.fromPublic(this, pub, enc); -}; - -EC.prototype.genKeyPair = function genKeyPair(options) { - if (!options) - options = {}; - - // Instantiate Hmac_DRBG - var drbg = new HmacDRBG({ - hash: this.hash, - pers: options.pers, - persEnc: options.persEnc || 'utf8', - entropy: options.entropy || rand(this.hash.hmacStrength), - entropyEnc: options.entropy && options.entropyEnc || 'utf8', - nonce: this.n.toArray(), - }); - - var bytes = this.n.byteLength(); - var ns2 = this.n.sub(new BN(2)); - for (;;) { - var priv = new BN(drbg.generate(bytes)); - if (priv.cmp(ns2) > 0) - continue; - - priv.iaddn(1); - return this.keyFromPrivate(priv); - } -}; - -EC.prototype._truncateToN = function _truncateToN(msg, truncOnly) { - var delta = msg.byteLength() * 8 - this.n.bitLength(); - if (delta > 0) - msg = msg.ushrn(delta); - if (!truncOnly && msg.cmp(this.n) >= 0) - return msg.sub(this.n); - else - return msg; -}; - -EC.prototype.sign = function sign(msg, key, enc, options) { - if (typeof enc === 'object') { - options = enc; - enc = null; - } - if (!options) - options = {}; - - key = this.keyFromPrivate(key, enc); - msg = this._truncateToN(new BN(msg, 16)); - - // Zero-extend key to provide enough entropy - var bytes = this.n.byteLength(); - var bkey = key.getPrivate().toArray('be', bytes); - - // Zero-extend nonce to have the same byte size as N - var nonce = msg.toArray('be', bytes); - - // Instantiate Hmac_DRBG - var drbg = new HmacDRBG({ - hash: this.hash, - entropy: bkey, - nonce: nonce, - pers: options.pers, - persEnc: options.persEnc || 'utf8', - }); - - // Number of bytes to generate - var ns1 = this.n.sub(new BN(1)); - - for (var iter = 0; ; iter++) { - var k = options.k ? - options.k(iter) : - new BN(drbg.generate(this.n.byteLength())); - k = this._truncateToN(k, true); - if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0) - continue; - - var kp = this.g.mul(k); - if (kp.isInfinity()) - continue; - - var kpX = kp.getX(); - var r = kpX.umod(this.n); - if (r.cmpn(0) === 0) - continue; - - var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg)); - s = s.umod(this.n); - if (s.cmpn(0) === 0) - continue; - - var recoveryParam = (kp.getY().isOdd() ? 1 : 0) | - (kpX.cmp(r) !== 0 ? 2 : 0); - - // Use complement of `s`, if it is > `n / 2` - if (options.canonical && s.cmp(this.nh) > 0) { - s = this.n.sub(s); - recoveryParam ^= 1; - } - - return new Signature({ r: r, s: s, recoveryParam: recoveryParam }); - } -}; - -EC.prototype.verify = function verify(msg, signature, key, enc) { - msg = this._truncateToN(new BN(msg, 16)); - key = this.keyFromPublic(key, enc); - signature = new Signature(signature, 'hex'); - - // Perform primitive values validation - var r = signature.r; - var s = signature.s; - if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0) - return false; - if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0) - return false; - - // Validate signature - var sinv = s.invm(this.n); - var u1 = sinv.mul(msg).umod(this.n); - var u2 = sinv.mul(r).umod(this.n); - var p; - - if (!this.curve._maxwellTrick) { - p = this.g.mulAdd(u1, key.getPublic(), u2); - if (p.isInfinity()) - return false; - - return p.getX().umod(this.n).cmp(r) === 0; - } - - // NOTE: Greg Maxwell's trick, inspired by: - // https://git.io/vad3K - - p = this.g.jmulAdd(u1, key.getPublic(), u2); - if (p.isInfinity()) - return false; - - // Compare `p.x` of Jacobian point with `r`, - // this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the - // inverse of `p.z^2` - return p.eqXToP(r); -}; - -EC.prototype.recoverPubKey = function(msg, signature, j, enc) { - assert((3 & j) === j, 'The recovery param is more than two bits'); - signature = new Signature(signature, enc); - - var n = this.n; - var e = new BN(msg); - var r = signature.r; - var s = signature.s; - - // A set LSB signifies that the y-coordinate is odd - var isYOdd = j & 1; - var isSecondKey = j >> 1; - if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey) - throw new Error('Unable to find sencond key candinate'); - - // 1.1. Let x = r + jn. - if (isSecondKey) - r = this.curve.pointFromX(r.add(this.curve.n), isYOdd); - else - r = this.curve.pointFromX(r, isYOdd); - - var rInv = signature.r.invm(n); - var s1 = n.sub(e).mul(rInv).umod(n); - var s2 = s.mul(rInv).umod(n); - - // 1.6.1 Compute Q = r^-1 (sR - eG) - // Q = r^-1 (sR + -eG) - return this.g.mulAdd(s1, r, s2); -}; - -EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) { - signature = new Signature(signature, enc); - if (signature.recoveryParam !== null) - return signature.recoveryParam; - - for (var i = 0; i < 4; i++) { - var Qprime; - try { - Qprime = this.recoverPubKey(e, signature, i); - } catch (e) { - continue; - } - - if (Qprime.eq(Q)) - return i; - } - throw new Error('Unable to find valid recovery factor'); -}; - -},{"../curves":168,"../utils":176,"./key":170,"./signature":171,"bn.js":177,"brorand":66,"hmac-drbg":225}],170:[function(require,module,exports){ -'use strict'; - -var BN = require('bn.js'); -var utils = require('../utils'); -var assert = utils.assert; - -function KeyPair(ec, options) { - this.ec = ec; - this.priv = null; - this.pub = null; - - // KeyPair(ec, { priv: ..., pub: ... }) - if (options.priv) - this._importPrivate(options.priv, options.privEnc); - if (options.pub) - this._importPublic(options.pub, options.pubEnc); -} -module.exports = KeyPair; - -KeyPair.fromPublic = function fromPublic(ec, pub, enc) { - if (pub instanceof KeyPair) - return pub; - - return new KeyPair(ec, { - pub: pub, - pubEnc: enc, - }); -}; - -KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) { - if (priv instanceof KeyPair) - return priv; - - return new KeyPair(ec, { - priv: priv, - privEnc: enc, - }); -}; - -KeyPair.prototype.validate = function validate() { - var pub = this.getPublic(); - - if (pub.isInfinity()) - return { result: false, reason: 'Invalid public key' }; - if (!pub.validate()) - return { result: false, reason: 'Public key is not a point' }; - if (!pub.mul(this.ec.curve.n).isInfinity()) - return { result: false, reason: 'Public key * N != O' }; - - return { result: true, reason: null }; -}; - -KeyPair.prototype.getPublic = function getPublic(compact, enc) { - // compact is optional argument - if (typeof compact === 'string') { - enc = compact; - compact = null; - } - - if (!this.pub) - this.pub = this.ec.g.mul(this.priv); - - if (!enc) - return this.pub; - - return this.pub.encode(enc, compact); -}; - -KeyPair.prototype.getPrivate = function getPrivate(enc) { - if (enc === 'hex') - return this.priv.toString(16, 2); - else - return this.priv; -}; - -KeyPair.prototype._importPrivate = function _importPrivate(key, enc) { - this.priv = new BN(key, enc || 16); - - // Ensure that the priv won't be bigger than n, otherwise we may fail - // in fixed multiplication method - this.priv = this.priv.umod(this.ec.curve.n); -}; - -KeyPair.prototype._importPublic = function _importPublic(key, enc) { - if (key.x || key.y) { - // Montgomery points only have an `x` coordinate. - // Weierstrass/Edwards points on the other hand have both `x` and - // `y` coordinates. - if (this.ec.curve.type === 'mont') { - assert(key.x, 'Need x coordinate'); - } else if (this.ec.curve.type === 'short' || - this.ec.curve.type === 'edwards') { - assert(key.x && key.y, 'Need both x and y coordinate'); - } - this.pub = this.ec.curve.point(key.x, key.y); - return; - } - this.pub = this.ec.curve.decodePoint(key, enc); -}; - -// ECDH -KeyPair.prototype.derive = function derive(pub) { - if(!pub.validate()) { - assert(pub.validate(), 'public point not validated'); - } - return pub.mul(this.priv).getX(); -}; - -// ECDSA -KeyPair.prototype.sign = function sign(msg, enc, options) { - return this.ec.sign(msg, this, enc, options); -}; - -KeyPair.prototype.verify = function verify(msg, signature) { - return this.ec.verify(msg, signature, this); -}; - -KeyPair.prototype.inspect = function inspect() { - return ''; -}; - -},{"../utils":176,"bn.js":177}],171:[function(require,module,exports){ -'use strict'; - -var BN = require('bn.js'); - -var utils = require('../utils'); -var assert = utils.assert; - -function Signature(options, enc) { - if (options instanceof Signature) - return options; - - if (this._importDER(options, enc)) - return; - - assert(options.r && options.s, 'Signature without r or s'); - this.r = new BN(options.r, 16); - this.s = new BN(options.s, 16); - if (options.recoveryParam === undefined) - this.recoveryParam = null; - else - this.recoveryParam = options.recoveryParam; -} -module.exports = Signature; - -function Position() { - this.place = 0; -} - -function getLength(buf, p) { - var initial = buf[p.place++]; - if (!(initial & 0x80)) { - return initial; - } - var octetLen = initial & 0xf; - - // Indefinite length or overflow - if (octetLen === 0 || octetLen > 4) { - return false; - } - - var val = 0; - for (var i = 0, off = p.place; i < octetLen; i++, off++) { - val <<= 8; - val |= buf[off]; - val >>>= 0; - } - - // Leading zeroes - if (val <= 0x7f) { - return false; - } - - p.place = off; - return val; -} - -function rmPadding(buf) { - var i = 0; - var len = buf.length - 1; - while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) { - i++; - } - if (i === 0) { - return buf; - } - return buf.slice(i); -} - -Signature.prototype._importDER = function _importDER(data, enc) { - data = utils.toArray(data, enc); - var p = new Position(); - if (data[p.place++] !== 0x30) { - return false; - } - var len = getLength(data, p); - if (len === false) { - return false; - } - if ((len + p.place) !== data.length) { - return false; - } - if (data[p.place++] !== 0x02) { - return false; - } - var rlen = getLength(data, p); - if (rlen === false) { - return false; - } - var r = data.slice(p.place, rlen + p.place); - p.place += rlen; - if (data[p.place++] !== 0x02) { - return false; - } - var slen = getLength(data, p); - if (slen === false) { - return false; - } - if (data.length !== slen + p.place) { - return false; - } - var s = data.slice(p.place, slen + p.place); - if (r[0] === 0) { - if (r[1] & 0x80) { - r = r.slice(1); - } else { - // Leading zeroes - return false; - } - } - if (s[0] === 0) { - if (s[1] & 0x80) { - s = s.slice(1); - } else { - // Leading zeroes - return false; - } - } - - this.r = new BN(r); - this.s = new BN(s); - this.recoveryParam = null; - - return true; -}; - -function constructLength(arr, len) { - if (len < 0x80) { - arr.push(len); - return; - } - var octets = 1 + (Math.log(len) / Math.LN2 >>> 3); - arr.push(octets | 0x80); - while (--octets) { - arr.push((len >>> (octets << 3)) & 0xff); - } - arr.push(len); -} - -Signature.prototype.toDER = function toDER(enc) { - var r = this.r.toArray(); - var s = this.s.toArray(); - - // Pad values - if (r[0] & 0x80) - r = [ 0 ].concat(r); - // Pad values - if (s[0] & 0x80) - s = [ 0 ].concat(s); - - r = rmPadding(r); - s = rmPadding(s); - - while (!s[0] && !(s[1] & 0x80)) { - s = s.slice(1); - } - var arr = [ 0x02 ]; - constructLength(arr, r.length); - arr = arr.concat(r); - arr.push(0x02); - constructLength(arr, s.length); - var backHalf = arr.concat(s); - var res = [ 0x30 ]; - constructLength(res, backHalf.length); - res = res.concat(backHalf); - return utils.encode(res, enc); -}; - -},{"../utils":176,"bn.js":177}],172:[function(require,module,exports){ -'use strict'; - -var hash = require('hash.js'); -var curves = require('../curves'); -var utils = require('../utils'); -var assert = utils.assert; -var parseBytes = utils.parseBytes; -var KeyPair = require('./key'); -var Signature = require('./signature'); - -function EDDSA(curve) { - assert(curve === 'ed25519', 'only tested with ed25519 so far'); - - if (!(this instanceof EDDSA)) - return new EDDSA(curve); - - curve = curves[curve].curve; - this.curve = curve; - this.g = curve.g; - this.g.precompute(curve.n.bitLength() + 1); - - this.pointClass = curve.point().constructor; - this.encodingLength = Math.ceil(curve.n.bitLength() / 8); - this.hash = hash.sha512; -} - -module.exports = EDDSA; - -/** -* @param {Array|String} message - message bytes -* @param {Array|String|KeyPair} secret - secret bytes or a keypair -* @returns {Signature} - signature -*/ -EDDSA.prototype.sign = function sign(message, secret) { - message = parseBytes(message); - var key = this.keyFromSecret(secret); - var r = this.hashInt(key.messagePrefix(), message); - var R = this.g.mul(r); - var Rencoded = this.encodePoint(R); - var s_ = this.hashInt(Rencoded, key.pubBytes(), message) - .mul(key.priv()); - var S = r.add(s_).umod(this.curve.n); - return this.makeSignature({ R: R, S: S, Rencoded: Rencoded }); -}; - -/** -* @param {Array} message - message bytes -* @param {Array|String|Signature} sig - sig bytes -* @param {Array|String|Point|KeyPair} pub - public key -* @returns {Boolean} - true if public key matches sig of message -*/ -EDDSA.prototype.verify = function verify(message, sig, pub) { - message = parseBytes(message); - sig = this.makeSignature(sig); - var key = this.keyFromPublic(pub); - var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message); - var SG = this.g.mul(sig.S()); - var RplusAh = sig.R().add(key.pub().mul(h)); - return RplusAh.eq(SG); -}; - -EDDSA.prototype.hashInt = function hashInt() { - var hash = this.hash(); - for (var i = 0; i < arguments.length; i++) - hash.update(arguments[i]); - return utils.intFromLE(hash.digest()).umod(this.curve.n); -}; - -EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) { - return KeyPair.fromPublic(this, pub); -}; - -EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) { - return KeyPair.fromSecret(this, secret); -}; - -EDDSA.prototype.makeSignature = function makeSignature(sig) { - if (sig instanceof Signature) - return sig; - return new Signature(this, sig); -}; - -/** -* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2 -* -* EDDSA defines methods for encoding and decoding points and integers. These are -* helper convenience methods, that pass along to utility functions implied -* parameters. -* -*/ -EDDSA.prototype.encodePoint = function encodePoint(point) { - var enc = point.getY().toArray('le', this.encodingLength); - enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0; - return enc; -}; - -EDDSA.prototype.decodePoint = function decodePoint(bytes) { - bytes = utils.parseBytes(bytes); - - var lastIx = bytes.length - 1; - var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80); - var xIsOdd = (bytes[lastIx] & 0x80) !== 0; - - var y = utils.intFromLE(normed); - return this.curve.pointFromY(y, xIsOdd); -}; - -EDDSA.prototype.encodeInt = function encodeInt(num) { - return num.toArray('le', this.encodingLength); -}; - -EDDSA.prototype.decodeInt = function decodeInt(bytes) { - return utils.intFromLE(bytes); -}; - -EDDSA.prototype.isPoint = function isPoint(val) { - return val instanceof this.pointClass; -}; - -},{"../curves":168,"../utils":176,"./key":173,"./signature":174,"hash.js":212}],173:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); -var assert = utils.assert; -var parseBytes = utils.parseBytes; -var cachedProperty = utils.cachedProperty; - -/** -* @param {EDDSA} eddsa - instance -* @param {Object} params - public/private key parameters -* -* @param {Array} [params.secret] - secret seed bytes -* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms) -* @param {Array} [params.pub] - public key point encoded as bytes -* -*/ -function KeyPair(eddsa, params) { - this.eddsa = eddsa; - this._secret = parseBytes(params.secret); - if (eddsa.isPoint(params.pub)) - this._pub = params.pub; - else - this._pubBytes = parseBytes(params.pub); -} - -KeyPair.fromPublic = function fromPublic(eddsa, pub) { - if (pub instanceof KeyPair) - return pub; - return new KeyPair(eddsa, { pub: pub }); -}; - -KeyPair.fromSecret = function fromSecret(eddsa, secret) { - if (secret instanceof KeyPair) - return secret; - return new KeyPair(eddsa, { secret: secret }); -}; - -KeyPair.prototype.secret = function secret() { - return this._secret; -}; - -cachedProperty(KeyPair, 'pubBytes', function pubBytes() { - return this.eddsa.encodePoint(this.pub()); -}); - -cachedProperty(KeyPair, 'pub', function pub() { - if (this._pubBytes) - return this.eddsa.decodePoint(this._pubBytes); - return this.eddsa.g.mul(this.priv()); -}); - -cachedProperty(KeyPair, 'privBytes', function privBytes() { - var eddsa = this.eddsa; - var hash = this.hash(); - var lastIx = eddsa.encodingLength - 1; - - var a = hash.slice(0, eddsa.encodingLength); - a[0] &= 248; - a[lastIx] &= 127; - a[lastIx] |= 64; - - return a; -}); - -cachedProperty(KeyPair, 'priv', function priv() { - return this.eddsa.decodeInt(this.privBytes()); -}); - -cachedProperty(KeyPair, 'hash', function hash() { - return this.eddsa.hash().update(this.secret()).digest(); -}); - -cachedProperty(KeyPair, 'messagePrefix', function messagePrefix() { - return this.hash().slice(this.eddsa.encodingLength); -}); - -KeyPair.prototype.sign = function sign(message) { - assert(this._secret, 'KeyPair can only verify'); - return this.eddsa.sign(message, this); -}; - -KeyPair.prototype.verify = function verify(message, sig) { - return this.eddsa.verify(message, sig, this); -}; - -KeyPair.prototype.getSecret = function getSecret(enc) { - assert(this._secret, 'KeyPair is public only'); - return utils.encode(this.secret(), enc); -}; - -KeyPair.prototype.getPublic = function getPublic(enc) { - return utils.encode(this.pubBytes(), enc); -}; - -module.exports = KeyPair; - -},{"../utils":176}],174:[function(require,module,exports){ -'use strict'; - -var BN = require('bn.js'); -var utils = require('../utils'); -var assert = utils.assert; -var cachedProperty = utils.cachedProperty; -var parseBytes = utils.parseBytes; - -/** -* @param {EDDSA} eddsa - eddsa instance -* @param {Array|Object} sig - -* @param {Array|Point} [sig.R] - R point as Point or bytes -* @param {Array|bn} [sig.S] - S scalar as bn or bytes -* @param {Array} [sig.Rencoded] - R point encoded -* @param {Array} [sig.Sencoded] - S scalar encoded -*/ -function Signature(eddsa, sig) { - this.eddsa = eddsa; - - if (typeof sig !== 'object') - sig = parseBytes(sig); - - if (Array.isArray(sig)) { - sig = { - R: sig.slice(0, eddsa.encodingLength), - S: sig.slice(eddsa.encodingLength), - }; - } - - assert(sig.R && sig.S, 'Signature without R or S'); - - if (eddsa.isPoint(sig.R)) - this._R = sig.R; - if (sig.S instanceof BN) - this._S = sig.S; - - this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded; - this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded; -} - -cachedProperty(Signature, 'S', function S() { - return this.eddsa.decodeInt(this.Sencoded()); -}); - -cachedProperty(Signature, 'R', function R() { - return this.eddsa.decodePoint(this.Rencoded()); -}); - -cachedProperty(Signature, 'Rencoded', function Rencoded() { - return this.eddsa.encodePoint(this.R()); -}); - -cachedProperty(Signature, 'Sencoded', function Sencoded() { - return this.eddsa.encodeInt(this.S()); -}); - -Signature.prototype.toBytes = function toBytes() { - return this.Rencoded().concat(this.Sencoded()); -}; - -Signature.prototype.toHex = function toHex() { - return utils.encode(this.toBytes(), 'hex').toUpperCase(); -}; - -module.exports = Signature; - -},{"../utils":176,"bn.js":177}],175:[function(require,module,exports){ -module.exports = { - doubles: { - step: 4, - points: [ - [ - 'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a', - 'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821', - ], - [ - '8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508', - '11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf', - ], - [ - '175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739', - 'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695', - ], - [ - '363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640', - '4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9', - ], - [ - '8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c', - '4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36', - 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-utils.assert = minAssert; -utils.toArray = minUtils.toArray; -utils.zero2 = minUtils.zero2; -utils.toHex = minUtils.toHex; -utils.encode = minUtils.encode; - -// Represent num in a w-NAF form -function getNAF(num, w, bits) { - var naf = new Array(Math.max(num.bitLength(), bits) + 1); - naf.fill(0); - - var ws = 1 << (w + 1); - var k = num.clone(); - - for (var i = 0; i < naf.length; i++) { - var z; - var mod = k.andln(ws - 1); - if (k.isOdd()) { - if (mod > (ws >> 1) - 1) - z = (ws >> 1) - mod; - else - z = mod; - k.isubn(z); - } else { - z = 0; - } - - naf[i] = z; - k.iushrn(1); - } - - return naf; -} -utils.getNAF = getNAF; - -// Represent k1, k2 in a Joint Sparse Form -function getJSF(k1, k2) { - var jsf = [ - [], - [], - ]; - - k1 = k1.clone(); - k2 = k2.clone(); - var d1 = 0; - var d2 = 0; - var m8; - while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) { - // First phase - var m14 = (k1.andln(3) + d1) & 3; - var m24 = (k2.andln(3) + d2) & 3; - if (m14 === 3) - m14 = -1; - if (m24 === 3) - m24 = -1; - var u1; - if ((m14 & 1) === 0) { - u1 = 0; - } else { - m8 = (k1.andln(7) + d1) & 7; - if ((m8 === 3 || m8 === 5) && m24 === 2) - u1 = -m14; - else - u1 = m14; - } - jsf[0].push(u1); - - var u2; - if ((m24 & 1) === 0) { - u2 = 0; - } else { - m8 = (k2.andln(7) + d2) & 7; - if ((m8 === 3 || m8 === 5) && m14 === 2) - u2 = -m24; - else - u2 = m24; - } - jsf[1].push(u2); - - // Second phase - if (2 * d1 === u1 + 1) - d1 = 1 - d1; - if (2 * d2 === u2 + 1) - d2 = 1 - d2; - k1.iushrn(1); - k2.iushrn(1); - } - - return jsf; -} -utils.getJSF = getJSF; - -function cachedProperty(obj, name, computer) { - var key = '_' + name; - obj.prototype[name] = function cachedProperty() { - return this[key] !== undefined ? this[key] : - this[key] = computer.call(this); - }; -} -utils.cachedProperty = cachedProperty; - -function parseBytes(bytes) { - return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') : - bytes; -} -utils.parseBytes = parseBytes; - -function intFromLE(bytes) { - return new BN(bytes, 'hex', 'le'); -} -utils.intFromLE = intFromLE; - - -},{"bn.js":177,"minimalistic-assert":268,"minimalistic-crypto-utils":269}],177:[function(require,module,exports){ -arguments[4][17][0].apply(exports,arguments) -},{"buffer":67,"dup":17}],178:[function(require,module,exports){ -module.exports={ - "name": "elliptic", - "version": "6.5.4", - "description": "EC cryptography", - "main": "lib/elliptic.js", - "files": [ - "lib" - ], - "scripts": { - "lint": "eslint lib test", - "lint:fix": "npm run lint -- --fix", - "unit": "istanbul test _mocha --reporter=spec test/index.js", - "test": "npm run lint && npm run unit", - "version": "grunt dist && git add dist/" - }, - "repository": { - "type": "git", - "url": "git@github.com:indutny/elliptic" - }, - "keywords": [ - "EC", - "Elliptic", - "curve", - "Cryptography" - ], - "author": "Fedor Indutny ", - "license": "MIT", - "bugs": { - "url": "https://github.com/indutny/elliptic/issues" - }, - "homepage": "https://github.com/indutny/elliptic", - "devDependencies": { - "brfs": "^2.0.2", - "coveralls": "^3.1.0", - "eslint": "^7.6.0", - "grunt": "^1.2.1", - "grunt-browserify": "^5.3.0", - "grunt-cli": "^1.3.2", - "grunt-contrib-connect": "^3.0.0", - "grunt-contrib-copy": "^1.0.0", - "grunt-contrib-uglify": "^5.0.0", - "grunt-mocha-istanbul": "^5.0.2", - "grunt-saucelabs": "^9.0.1", - "istanbul": "^0.4.5", - "mocha": "^8.0.1" - }, - "dependencies": { - "bn.js": "^4.11.9", - "brorand": "^1.1.0", - "hash.js": "^1.0.0", - "hmac-drbg": "^1.0.1", - "inherits": "^2.0.4", - "minimalistic-assert": "^1.0.1", - "minimalistic-crypto-utils": "^1.0.1" - } -} - -},{}],179:[function(require,module,exports){ -(function (process){(function (){ -var once = require('once'); - -var noop = function() {}; - -var isRequest = function(stream) { - return stream.setHeader && typeof stream.abort === 'function'; -}; - -var isChildProcess = function(stream) { - return stream.stdio && Array.isArray(stream.stdio) && stream.stdio.length === 3 -}; - -var eos = function(stream, opts, callback) { - if (typeof opts === 'function') return eos(stream, null, opts); - if (!opts) opts = {}; - - callback = once(callback || noop); - - var ws = stream._writableState; - var rs = stream._readableState; - var readable = opts.readable || (opts.readable !== false && stream.readable); - var writable = opts.writable || (opts.writable !== false && stream.writable); - var cancelled = false; - - var onlegacyfinish = function() { - if (!stream.writable) onfinish(); - }; - - var onfinish = function() { - writable = false; - if (!readable) callback.call(stream); - }; - - var onend = function() { - readable = false; - if (!writable) callback.call(stream); - }; - - var onexit = function(exitCode) { - callback.call(stream, exitCode ? new Error('exited with error code: ' + exitCode) : null); - }; - - var onerror = function(err) { - callback.call(stream, err); - }; - - var onclose = function() { - process.nextTick(onclosenexttick); - }; - - var onclosenexttick = function() { - if (cancelled) return; - if (readable && !(rs && (rs.ended && !rs.destroyed))) return callback.call(stream, new Error('premature close')); - if (writable && !(ws && (ws.ended && !ws.destroyed))) return callback.call(stream, new Error('premature close')); - }; - - var onrequest = function() { - stream.req.on('finish', onfinish); - }; - - if (isRequest(stream)) { - stream.on('complete', onfinish); - stream.on('abort', onclose); - if (stream.req) onrequest(); - else stream.on('request', onrequest); - } else if (writable && !ws) { // legacy streams - stream.on('end', onlegacyfinish); - stream.on('close', onlegacyfinish); - } - - if (isChildProcess(stream)) stream.on('exit', onexit); - - stream.on('end', onend); - stream.on('finish', onfinish); - if (opts.error !== false) stream.on('error', onerror); - stream.on('close', onclose); - - return function() { - cancelled = true; - stream.removeListener('complete', onfinish); - stream.removeListener('abort', onclose); - stream.removeListener('request', onrequest); - if (stream.req) stream.req.removeListener('finish', onfinish); - stream.removeListener('end', onlegacyfinish); - stream.removeListener('close', onlegacyfinish); - stream.removeListener('finish', onfinish); - stream.removeListener('exit', onexit); - stream.removeListener('end', onend); - stream.removeListener('error', onerror); - stream.removeListener('close', onclose); - }; -}; - -module.exports = eos; - -}).call(this)}).call(this,require('_process')) -},{"_process":309,"once":294}],180:[function(require,module,exports){ -'use strict'; - -/** - * @typedef {{ [key: string]: any }} Extensions - * @typedef {Error} Err - * @property {string} message - */ - -/** - * - * @param {Error} obj - * @param {Extensions} props - * @returns {Error & Extensions} - */ -function assign(obj, props) { - for (const key in props) { - Object.defineProperty(obj, key, { - value: props[key], - enumerable: true, - configurable: true, - }); - } - - return obj; -} - -/** - * - * @param {any} err - An Error - * @param {string|Extensions} code - A string code or props to set on the error - * @param {Extensions} [props] - Props to set on the error - * @returns {Error & Extensions} - */ -function createError(err, code, props) { - if (!err || typeof err === 'string') { - throw new TypeError('Please pass an Error to err-code'); - } - - if (!props) { - props = {}; - } - - if (typeof code === 'object') { - props = code; - code = ''; - } - - if (code) { - props.code = code; - } - - try { - return assign(err, props); - } catch (_) { - props.message = err.message; - props.stack = err.stack; - - const ErrClass = function () {}; - - ErrClass.prototype = Object.create(Object.getPrototypeOf(err)); - - // @ts-ignore - const output = assign(new ErrClass(), props); - - return output; - } -} - -module.exports = createError; - -},{}],181:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -'use strict'; - -var R = typeof Reflect === 'object' ? Reflect : null -var ReflectApply = R && typeof R.apply === 'function' - ? R.apply - : function ReflectApply(target, receiver, args) { - return Function.prototype.apply.call(target, receiver, args); - } - -var ReflectOwnKeys -if (R && typeof R.ownKeys === 'function') { - ReflectOwnKeys = R.ownKeys -} else if (Object.getOwnPropertySymbols) { - ReflectOwnKeys = function ReflectOwnKeys(target) { - return Object.getOwnPropertyNames(target) - .concat(Object.getOwnPropertySymbols(target)); - }; -} else { - ReflectOwnKeys = function ReflectOwnKeys(target) { - return Object.getOwnPropertyNames(target); - }; -} - -function ProcessEmitWarning(warning) { - if (console && console.warn) console.warn(warning); -} - -var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) { - return value !== value; -} - -function EventEmitter() { - EventEmitter.init.call(this); -} -module.exports = EventEmitter; -module.exports.once = once; - -// Backwards-compat with node 0.10.x -EventEmitter.EventEmitter = EventEmitter; - -EventEmitter.prototype._events = undefined; -EventEmitter.prototype._eventsCount = 0; -EventEmitter.prototype._maxListeners = undefined; - -// By default EventEmitters will print a warning if more than 10 listeners are -// added to it. This is a useful default which helps finding memory leaks. -var defaultMaxListeners = 10; - -function checkListener(listener) { - if (typeof listener !== 'function') { - throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener); - } -} - -Object.defineProperty(EventEmitter, 'defaultMaxListeners', { - enumerable: true, - get: function() { - return defaultMaxListeners; - }, - set: function(arg) { - if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) { - throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.'); - } - defaultMaxListeners = arg; - } -}); - -EventEmitter.init = function() { - - if (this._events === undefined || - this._events === Object.getPrototypeOf(this)._events) { - this._events = Object.create(null); - this._eventsCount = 0; - } - - this._maxListeners = this._maxListeners || undefined; -}; - -// Obviously not all Emitters should be limited to 10. This function allows -// that to be increased. Set to zero for unlimited. -EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) { - if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) { - throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.'); - } - this._maxListeners = n; - return this; -}; - -function _getMaxListeners(that) { - if (that._maxListeners === undefined) - return EventEmitter.defaultMaxListeners; - return that._maxListeners; -} - -EventEmitter.prototype.getMaxListeners = function getMaxListeners() { - return _getMaxListeners(this); -}; - -EventEmitter.prototype.emit = function emit(type) { - var args = []; - for (var i = 1; i < arguments.length; i++) args.push(arguments[i]); - var doError = (type === 'error'); - - var events = this._events; - if (events !== undefined) - doError = (doError && events.error === undefined); - else if (!doError) - return false; - - // If there is no 'error' event listener then throw. - if (doError) { - var er; - if (args.length > 0) - er = args[0]; - if (er instanceof Error) { - // Note: The comments on the `throw` lines are intentional, they show - // up in Node's output if this results in an unhandled exception. - throw er; // Unhandled 'error' event - } - // At least give some kind of context to the user - var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : '')); - err.context = er; - throw err; // Unhandled 'error' event - } - - var handler = events[type]; - - if (handler === undefined) - return false; - - if (typeof handler === 'function') { - ReflectApply(handler, this, args); - } else { - var len = handler.length; - var listeners = arrayClone(handler, len); - for (var i = 0; i < len; ++i) - ReflectApply(listeners[i], this, args); - } - - return true; -}; - -function _addListener(target, type, listener, prepend) { - var m; - var events; - var existing; - - checkListener(listener); - - events = target._events; - if (events === undefined) { - events = target._events = Object.create(null); - target._eventsCount = 0; - } else { - // To avoid recursion in the case that type === "newListener"! Before - // adding it to the listeners, first emit "newListener". - if (events.newListener !== undefined) { - target.emit('newListener', type, - listener.listener ? listener.listener : listener); - - // Re-assign `events` because a newListener handler could have caused the - // this._events to be assigned to a new object - events = target._events; - } - existing = events[type]; - } - - if (existing === undefined) { - // Optimize the case of one listener. Don't need the extra array object. - existing = events[type] = listener; - ++target._eventsCount; - } else { - if (typeof existing === 'function') { - // Adding the second element, need to change to array. - existing = events[type] = - prepend ? [listener, existing] : [existing, listener]; - // If we've already got an array, just append. - } else if (prepend) { - existing.unshift(listener); - } else { - existing.push(listener); - } - - // Check for listener leak - m = _getMaxListeners(target); - if (m > 0 && existing.length > m && !existing.warned) { - existing.warned = true; - // No error code for this since it is a Warning - // eslint-disable-next-line no-restricted-syntax - var w = new Error('Possible EventEmitter memory leak detected. ' + - existing.length + ' ' + String(type) + ' listeners ' + - 'added. Use emitter.setMaxListeners() to ' + - 'increase limit'); - w.name = 'MaxListenersExceededWarning'; - w.emitter = target; - w.type = type; - w.count = existing.length; - ProcessEmitWarning(w); - } - } - - return target; -} - -EventEmitter.prototype.addListener = function addListener(type, listener) { - return _addListener(this, type, listener, false); -}; - -EventEmitter.prototype.on = EventEmitter.prototype.addListener; - -EventEmitter.prototype.prependListener = - function prependListener(type, listener) { - return _addListener(this, type, listener, true); - }; - -function onceWrapper() { - if (!this.fired) { - this.target.removeListener(this.type, this.wrapFn); - this.fired = true; - if (arguments.length === 0) - return this.listener.call(this.target); - return this.listener.apply(this.target, arguments); - } -} - -function _onceWrap(target, type, listener) { - var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener }; - var wrapped = onceWrapper.bind(state); - wrapped.listener = listener; - state.wrapFn = wrapped; - return wrapped; -} - -EventEmitter.prototype.once = function once(type, listener) { - checkListener(listener); - this.on(type, _onceWrap(this, type, listener)); - return this; -}; - -EventEmitter.prototype.prependOnceListener = - function prependOnceListener(type, listener) { - checkListener(listener); - this.prependListener(type, _onceWrap(this, type, listener)); - return this; - }; - -// Emits a 'removeListener' event if and only if the listener was removed. -EventEmitter.prototype.removeListener = - function removeListener(type, listener) { - var list, events, position, i, originalListener; - - checkListener(listener); - - events = this._events; - if (events === undefined) - return this; - - list = events[type]; - if (list === undefined) - return this; - - if (list === listener || list.listener === listener) { - if (--this._eventsCount === 0) - this._events = Object.create(null); - else { - delete events[type]; - if (events.removeListener) - this.emit('removeListener', type, list.listener || listener); - } - } else if (typeof list !== 'function') { - position = -1; - - for (i = list.length - 1; i >= 0; i--) { - if (list[i] === listener || list[i].listener === listener) { - originalListener = list[i].listener; - position = i; - break; - } - } - - if (position < 0) - return this; - - if (position === 0) - list.shift(); - else { - spliceOne(list, position); - } - - if (list.length === 1) - events[type] = list[0]; - - if (events.removeListener !== undefined) - this.emit('removeListener', type, originalListener || listener); - } - - return this; - }; - -EventEmitter.prototype.off = EventEmitter.prototype.removeListener; - -EventEmitter.prototype.removeAllListeners = - function removeAllListeners(type) { - var listeners, events, i; - - events = this._events; - if (events === undefined) - return this; - - // not listening for removeListener, no need to emit - if (events.removeListener === undefined) { - if (arguments.length === 0) { - this._events = Object.create(null); - this._eventsCount = 0; - } else if (events[type] !== undefined) { - if (--this._eventsCount === 0) - this._events = Object.create(null); - else - delete events[type]; - } - return this; - } - - // emit removeListener for all listeners on all events - if (arguments.length === 0) { - var keys = Object.keys(events); - var key; - for (i = 0; i < keys.length; ++i) { - key = keys[i]; - if (key === 'removeListener') continue; - this.removeAllListeners(key); - } - this.removeAllListeners('removeListener'); - this._events = Object.create(null); - this._eventsCount = 0; - return this; - } - - listeners = events[type]; - - if (typeof listeners === 'function') { - this.removeListener(type, listeners); - } else if (listeners !== undefined) { - // LIFO order - for (i = listeners.length - 1; i >= 0; i--) { - this.removeListener(type, listeners[i]); - } - } - - return this; - }; - -function _listeners(target, type, unwrap) { - var events = target._events; - - if (events === undefined) - return []; - - var evlistener = events[type]; - if (evlistener === undefined) - return []; - - if (typeof evlistener === 'function') - return unwrap ? [evlistener.listener || evlistener] : [evlistener]; - - return unwrap ? - unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length); -} - -EventEmitter.prototype.listeners = function listeners(type) { - return _listeners(this, type, true); -}; - -EventEmitter.prototype.rawListeners = function rawListeners(type) { - return _listeners(this, type, false); -}; - -EventEmitter.listenerCount = function(emitter, type) { - if (typeof emitter.listenerCount === 'function') { - return emitter.listenerCount(type); - } else { - return listenerCount.call(emitter, type); - } -}; - -EventEmitter.prototype.listenerCount = listenerCount; -function listenerCount(type) { - var events = this._events; - - if (events !== undefined) { - var evlistener = events[type]; - - if (typeof evlistener === 'function') { - return 1; - } else if (evlistener !== undefined) { - return evlistener.length; - } - } - - return 0; -} - -EventEmitter.prototype.eventNames = function eventNames() { - return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : []; -}; - -function arrayClone(arr, n) { - var copy = new Array(n); - for (var i = 0; i < n; ++i) - copy[i] = arr[i]; - return copy; -} - -function spliceOne(list, index) { - for (; index + 1 < list.length; index++) - list[index] = list[index + 1]; - list.pop(); -} - -function unwrapListeners(arr) { - var ret = new Array(arr.length); - for (var i = 0; i < ret.length; ++i) { - ret[i] = arr[i].listener || arr[i]; - } - return ret; -} - -function once(emitter, name) { - return new Promise(function (resolve, reject) { - function errorListener(err) { - emitter.removeListener(name, resolver); - reject(err); - } - - function resolver() { - if (typeof emitter.removeListener === 'function') { - emitter.removeListener('error', errorListener); - } - resolve([].slice.call(arguments)); - }; - - eventTargetAgnosticAddListener(emitter, name, resolver, { once: true }); - if (name !== 'error') { - addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true }); - } - }); -} - -function addErrorHandlerIfEventEmitter(emitter, handler, flags) { - if (typeof emitter.on === 'function') { - eventTargetAgnosticAddListener(emitter, 'error', handler, flags); - } -} - -function eventTargetAgnosticAddListener(emitter, name, listener, flags) { - if (typeof emitter.on === 'function') { - if (flags.once) { - emitter.once(name, listener); - } else { - emitter.on(name, listener); - } - } else if (typeof emitter.addEventListener === 'function') { - // EventTarget does not have `error` event semantics like Node - // EventEmitters, we do not listen for `error` events here. - emitter.addEventListener(name, function wrapListener(arg) { - // IE does not have builtin `{ once: true }` support so we - // have to do it manually. - if (flags.once) { - emitter.removeEventListener(name, wrapListener); - } - listener(arg); - }); - } else { - throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter); - } -} - -},{}],182:[function(require,module,exports){ -var Buffer = require('safe-buffer').Buffer -var MD5 = require('md5.js') - -/* eslint-disable camelcase */ -function EVP_BytesToKey (password, salt, keyBits, ivLen) { - if (!Buffer.isBuffer(password)) password = Buffer.from(password, 'binary') - if (salt) { - if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, 'binary') - if (salt.length !== 8) throw new RangeError('salt should be Buffer with 8 byte length') - } - - var keyLen = keyBits / 8 - var key = Buffer.alloc(keyLen) - var iv = Buffer.alloc(ivLen || 0) - var tmp = Buffer.alloc(0) - - while (keyLen > 0 || ivLen > 0) { - var hash = new MD5() - hash.update(tmp) - hash.update(password) - if (salt) hash.update(salt) - tmp = hash.digest() - - var used = 0 - - if (keyLen > 0) { - var keyStart = key.length - keyLen - used = Math.min(keyLen, tmp.length) - tmp.copy(key, keyStart, 0, used) - keyLen -= used - } - - if (used < tmp.length && ivLen > 0) { - var ivStart = iv.length - ivLen - var length = Math.min(ivLen, tmp.length - used) - tmp.copy(iv, ivStart, used, used + length) - ivLen -= length - } - } - - tmp.fill(0) - return { key: key, iv: iv } -} - -module.exports = EVP_BytesToKey - -},{"md5.js":241,"safe-buffer":356}],183:[function(require,module,exports){ -const { Readable, Writable } = require('streamx') -require('fast-readable-async-iterator') - -function BlobReadStream (blob, opts = {}) { - return Readable.from(blob.stream(), opts) -} - -class BlobWriteStream extends Writable { - constructor (callback, opts = {}) { - super(Object.assign({ decodeStrings: false }, opts)) - this.chunks = [] - const mimeType = opts.mimeType - this.once('close', () => { - const blob = mimeType != null ? new Blob(this.chunks, { type: mimeType }) : new Blob(this.chunks) - callback(blob) - this.emit('blob', blob) - }) - } - - _write (data, cb) { - this.chunks.push(data) - cb() - } -} - -module.exports = { BlobWriteStream, BlobReadStream } - -},{"fast-readable-async-iterator":186,"streamx":446}],184:[function(require,module,exports){ -module.exports = class FixedFIFO { - constructor (hwm) { - if (!(hwm > 0) || ((hwm - 1) & hwm) !== 0) throw new Error('Max size for a FixedFIFO should be a power of two') - this.buffer = new Array(hwm) - this.mask = hwm - 1 - this.top = 0 - this.btm = 0 - this.next = null - } - - clear () { - this.top = this.btm = 0 - this.next = null - this.buffer.fill(undefined) - } - - push (data) { - if (this.buffer[this.top] !== undefined) return false - this.buffer[this.top] = data - this.top = (this.top + 1) & this.mask - return true - } - - shift () { - const last = this.buffer[this.btm] - if (last === undefined) return undefined - this.buffer[this.btm] = undefined - this.btm = (this.btm + 1) & this.mask - return last - } - - peek () { - return this.buffer[this.btm] - } - - isEmpty () { - return this.buffer[this.btm] === undefined - } -} - -},{}],185:[function(require,module,exports){ -const FixedFIFO = require('./fixed-size') - -module.exports = class FastFIFO { - constructor (hwm) { - this.hwm = hwm || 16 - this.head = new FixedFIFO(this.hwm) - this.tail = this.head - this.length = 0 - } - - clear () { - this.head = this.tail - this.head.clear() - this.length = 0 - } - - push (val) { - this.length++ - if (!this.head.push(val)) { - const prev = this.head - this.head = prev.next = new FixedFIFO(2 * this.head.buffer.length) - this.head.push(val) - } - } - - shift () { - if (this.length !== 0) this.length-- - const val = this.tail.shift() - if (val === undefined && this.tail.next) { - const next = this.tail.next - this.tail.next = null - this.tail = next - return this.tail.shift() - } - - return val - } - - peek () { - const val = this.tail.peek() - if (val === undefined && this.tail.next) return this.tail.next.peek() - return val - } - - isEmpty () { - return this.length === 0 - } -} - -},{"./fixed-size":184}],186:[function(require,module,exports){ -if (typeof ReadableStream !== 'undefined' && !ReadableStream.prototype[Symbol.asyncIterator]) { - ReadableStream.prototype[Symbol.asyncIterator] = function () { - const reader = this.getReader() - let last = reader.read() - return { - next () { - const temp = last - last = reader.read() - return temp - }, - return () { - last.then(() => reader.releaseLock()) - }, - throw (err) { - this.return() - throw err - }, - [Symbol.asyncIterator] () { - return this - } - } - } -} - -},{}],187:[function(require,module,exports){ -'use strict'; - -/* eslint no-invalid-this: 1 */ - -var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible '; -var toStr = Object.prototype.toString; -var max = Math.max; -var funcType = '[object Function]'; - -var concatty = function concatty(a, b) { - var arr = []; - - for (var i = 0; i < a.length; i += 1) { - arr[i] = a[i]; - } - for (var j = 0; j < b.length; j += 1) { - arr[j + a.length] = b[j]; - } - - return arr; -}; - -var slicy = function slicy(arrLike, offset) { - var arr = []; - for (var i = offset || 0, j = 0; i < arrLike.length; i += 1, j += 1) { - arr[j] = arrLike[i]; - } - return arr; -}; - -var joiny = function (arr, joiner) { - var str = ''; - for (var i = 0; i < arr.length; i += 1) { - str += arr[i]; - if (i + 1 < arr.length) { - str += joiner; - } - } - return str; -}; - -module.exports = function bind(that) { - var target = this; - if (typeof target !== 'function' || toStr.apply(target) !== funcType) { - throw new TypeError(ERROR_MESSAGE + target); - } - var args = slicy(arguments, 1); - - var bound; - var binder = function () { - if (this instanceof bound) { - var result = target.apply( - this, - concatty(args, arguments) - ); - if (Object(result) === result) { - return result; - } - return this; - } - return target.apply( - that, - concatty(args, arguments) - ); - - }; - - var boundLength = max(0, target.length - args.length); - var boundArgs = []; - for (var i = 0; i < boundLength; i++) { - boundArgs[i] = '$' + i; - } - - bound = Function('binder', 'return function (' + joiny(boundArgs, ',') + '){ return binder.apply(this,arguments); }')(binder); - - if (target.prototype) { - var Empty = function Empty() {}; - Empty.prototype = target.prototype; - bound.prototype = new Empty(); - Empty.prototype = null; - } - - return bound; -}; - -},{}],188:[function(require,module,exports){ -'use strict'; - -var implementation = require('./implementation'); - -module.exports = Function.prototype.bind || implementation; - -},{"./implementation":187}],189:[function(require,module,exports){ -// originally pulled out of simple-peer - -module.exports = function getBrowserRTC () { - if (typeof globalThis === 'undefined') return null - var wrtc = { - RTCPeerConnection: globalThis.RTCPeerConnection || globalThis.mozRTCPeerConnection || - globalThis.webkitRTCPeerConnection, - RTCSessionDescription: globalThis.RTCSessionDescription || - globalThis.mozRTCSessionDescription || globalThis.webkitRTCSessionDescription, - RTCIceCandidate: globalThis.RTCIceCandidate || globalThis.mozRTCIceCandidate || - globalThis.webkitRTCIceCandidate - } - if (!wrtc.RTCPeerConnection) return null - return wrtc -} - -},{}],190:[function(require,module,exports){ -'use strict'; - -var undefined; - -var $SyntaxError = SyntaxError; -var $Function = Function; -var $TypeError = TypeError; - -// eslint-disable-next-line consistent-return -var getEvalledConstructor = function (expressionSyntax) { - try { - return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')(); - } catch (e) {} -}; - -var $gOPD = Object.getOwnPropertyDescriptor; -if ($gOPD) { - try { - $gOPD({}, ''); - } catch (e) { - $gOPD = null; // this is IE 8, which has a broken gOPD - } -} - -var throwTypeError = function () { - throw new $TypeError(); -}; -var ThrowTypeError = $gOPD - ? (function () { - try { - // eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties - arguments.callee; // IE 8 does not throw here - return throwTypeError; - } catch (calleeThrows) { - try { - // IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '') - return $gOPD(arguments, 'callee').get; - } catch (gOPDthrows) { - return throwTypeError; - } - } - }()) - : throwTypeError; - -var hasSymbols = require('has-symbols')(); -var hasProto = require('has-proto')(); - -var getProto = Object.getPrototypeOf || ( - hasProto - ? function (x) { return x.__proto__; } // eslint-disable-line no-proto - : null -); - -var needsEval = {}; - -var TypedArray = typeof Uint8Array === 'undefined' || !getProto ? undefined : getProto(Uint8Array); - -var INTRINSICS = { - '%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError, - '%Array%': Array, - '%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer, - '%ArrayIteratorPrototype%': hasSymbols && getProto ? getProto([][Symbol.iterator]()) : undefined, - '%AsyncFromSyncIteratorPrototype%': undefined, - '%AsyncFunction%': needsEval, - '%AsyncGenerator%': needsEval, - '%AsyncGeneratorFunction%': needsEval, - '%AsyncIteratorPrototype%': needsEval, - '%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics, - '%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt, - '%BigInt64Array%': typeof BigInt64Array === 'undefined' ? undefined : BigInt64Array, - '%BigUint64Array%': typeof BigUint64Array === 'undefined' ? undefined : BigUint64Array, - '%Boolean%': Boolean, - '%DataView%': typeof DataView === 'undefined' ? undefined : DataView, - '%Date%': Date, - '%decodeURI%': decodeURI, - '%decodeURIComponent%': decodeURIComponent, - '%encodeURI%': encodeURI, - '%encodeURIComponent%': encodeURIComponent, - '%Error%': Error, - '%eval%': eval, // eslint-disable-line no-eval - '%EvalError%': EvalError, - '%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array, - '%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array, - '%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry, - '%Function%': $Function, - '%GeneratorFunction%': needsEval, - '%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array, - '%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array, - '%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array, - '%isFinite%': isFinite, - '%isNaN%': isNaN, - '%IteratorPrototype%': hasSymbols && getProto ? getProto(getProto([][Symbol.iterator]())) : undefined, - '%JSON%': typeof JSON === 'object' ? JSON : undefined, - '%Map%': typeof Map === 'undefined' ? undefined : Map, - '%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols || !getProto ? undefined : getProto(new Map()[Symbol.iterator]()), - '%Math%': Math, - '%Number%': Number, - '%Object%': Object, - '%parseFloat%': parseFloat, - '%parseInt%': parseInt, - '%Promise%': typeof Promise === 'undefined' ? undefined : Promise, - '%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy, - '%RangeError%': RangeError, - '%ReferenceError%': ReferenceError, - '%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect, - '%RegExp%': RegExp, - '%Set%': typeof Set === 'undefined' ? undefined : Set, - '%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols || !getProto ? undefined : getProto(new Set()[Symbol.iterator]()), - '%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer, - '%String%': String, - '%StringIteratorPrototype%': hasSymbols && getProto ? getProto(''[Symbol.iterator]()) : undefined, - '%Symbol%': hasSymbols ? Symbol : undefined, - '%SyntaxError%': $SyntaxError, - '%ThrowTypeError%': ThrowTypeError, - '%TypedArray%': TypedArray, - '%TypeError%': $TypeError, - '%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array, - '%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray, - '%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array, - '%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array, - '%URIError%': URIError, - '%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap, - '%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef, - '%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet -}; - -if (getProto) { - try { - null.error; // eslint-disable-line no-unused-expressions - } catch (e) { - // https://github.com/tc39/proposal-shadowrealm/pull/384#issuecomment-1364264229 - var errorProto = getProto(getProto(e)); - INTRINSICS['%Error.prototype%'] = errorProto; - } -} - -var doEval = function doEval(name) { - var value; - if (name === '%AsyncFunction%') { - value = getEvalledConstructor('async function () {}'); - } else if (name === '%GeneratorFunction%') { - value = getEvalledConstructor('function* () {}'); - } else if (name === '%AsyncGeneratorFunction%') { - value = getEvalledConstructor('async function* () {}'); - } else if (name === '%AsyncGenerator%') { - var fn = doEval('%AsyncGeneratorFunction%'); - if (fn) { - value = fn.prototype; - } - } else if (name === '%AsyncIteratorPrototype%') { - var gen = doEval('%AsyncGenerator%'); - if (gen && getProto) { - value = getProto(gen.prototype); - } - } - - INTRINSICS[name] = value; - - return value; -}; - -var LEGACY_ALIASES = { - '%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'], - '%ArrayPrototype%': ['Array', 'prototype'], - '%ArrayProto_entries%': ['Array', 'prototype', 'entries'], - '%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'], - '%ArrayProto_keys%': ['Array', 'prototype', 'keys'], - '%ArrayProto_values%': ['Array', 'prototype', 'values'], - '%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'], - '%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'], - '%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'], - '%BooleanPrototype%': ['Boolean', 'prototype'], - '%DataViewPrototype%': ['DataView', 'prototype'], - '%DatePrototype%': ['Date', 'prototype'], - '%ErrorPrototype%': ['Error', 'prototype'], - '%EvalErrorPrototype%': ['EvalError', 'prototype'], - '%Float32ArrayPrototype%': ['Float32Array', 'prototype'], - '%Float64ArrayPrototype%': ['Float64Array', 'prototype'], - '%FunctionPrototype%': ['Function', 'prototype'], - '%Generator%': ['GeneratorFunction', 'prototype'], - '%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'], - '%Int8ArrayPrototype%': ['Int8Array', 'prototype'], - '%Int16ArrayPrototype%': ['Int16Array', 'prototype'], - '%Int32ArrayPrototype%': ['Int32Array', 'prototype'], - '%JSONParse%': ['JSON', 'parse'], - '%JSONStringify%': ['JSON', 'stringify'], - '%MapPrototype%': ['Map', 'prototype'], - '%NumberPrototype%': ['Number', 'prototype'], - '%ObjectPrototype%': ['Object', 'prototype'], - '%ObjProto_toString%': ['Object', 'prototype', 'toString'], - '%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'], - '%PromisePrototype%': ['Promise', 'prototype'], - '%PromiseProto_then%': ['Promise', 'prototype', 'then'], - '%Promise_all%': ['Promise', 'all'], - '%Promise_reject%': ['Promise', 'reject'], - '%Promise_resolve%': ['Promise', 'resolve'], - '%RangeErrorPrototype%': ['RangeError', 'prototype'], - '%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'], - '%RegExpPrototype%': ['RegExp', 'prototype'], - '%SetPrototype%': ['Set', 'prototype'], - '%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'], - '%StringPrototype%': ['String', 'prototype'], - '%SymbolPrototype%': ['Symbol', 'prototype'], - '%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'], - '%TypedArrayPrototype%': ['TypedArray', 'prototype'], - '%TypeErrorPrototype%': ['TypeError', 'prototype'], - '%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'], - '%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'], - '%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'], - '%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'], - '%URIErrorPrototype%': ['URIError', 'prototype'], - '%WeakMapPrototype%': ['WeakMap', 'prototype'], - '%WeakSetPrototype%': ['WeakSet', 'prototype'] -}; - -var bind = require('function-bind'); -var hasOwn = require('hasown'); -var $concat = bind.call(Function.call, Array.prototype.concat); -var $spliceApply = bind.call(Function.apply, Array.prototype.splice); -var $replace = bind.call(Function.call, String.prototype.replace); -var $strSlice = bind.call(Function.call, String.prototype.slice); -var $exec = bind.call(Function.call, RegExp.prototype.exec); - -/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */ -var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g; -var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */ -var stringToPath = function stringToPath(string) { - var first = $strSlice(string, 0, 1); - var last = $strSlice(string, -1); - if (first === '%' && last !== '%') { - throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`'); - } else if (last === '%' && first !== '%') { - throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`'); - } - var result = []; - $replace(string, rePropName, function (match, number, quote, subString) { - result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match; - }); - return result; -}; -/* end adaptation */ - -var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) { - var intrinsicName = name; - var alias; - if (hasOwn(LEGACY_ALIASES, intrinsicName)) { - alias = LEGACY_ALIASES[intrinsicName]; - intrinsicName = '%' + alias[0] + '%'; - } - - if (hasOwn(INTRINSICS, intrinsicName)) { - var value = INTRINSICS[intrinsicName]; - if (value === needsEval) { - value = doEval(intrinsicName); - } - if (typeof value === 'undefined' && !allowMissing) { - throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!'); - } - - return { - alias: alias, - name: intrinsicName, - value: value - }; - } - - throw new $SyntaxError('intrinsic ' + name + ' does not exist!'); -}; - -module.exports = function GetIntrinsic(name, allowMissing) { - if (typeof name !== 'string' || name.length === 0) { - throw new $TypeError('intrinsic name must be a non-empty string'); - } - if (arguments.length > 1 && typeof allowMissing !== 'boolean') { - throw new $TypeError('"allowMissing" argument must be a boolean'); - } - - if ($exec(/^%?[^%]*%?$/, name) === null) { - throw new $SyntaxError('`%` may not be present anywhere but at the beginning and end of the intrinsic name'); - } - var parts = stringToPath(name); - var intrinsicBaseName = parts.length > 0 ? parts[0] : ''; - - var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing); - var intrinsicRealName = intrinsic.name; - var value = intrinsic.value; - var skipFurtherCaching = false; - - var alias = intrinsic.alias; - if (alias) { - intrinsicBaseName = alias[0]; - $spliceApply(parts, $concat([0, 1], alias)); - } - - for (var i = 1, isOwn = true; i < parts.length; i += 1) { - var part = parts[i]; - var first = $strSlice(part, 0, 1); - var last = $strSlice(part, -1); - if ( - ( - (first === '"' || first === "'" || first === '`') - || (last === '"' || last === "'" || last === '`') - ) - && first !== last - ) { - throw new $SyntaxError('property names with quotes must have matching quotes'); - } - if (part === 'constructor' || !isOwn) { - skipFurtherCaching = true; - } - - intrinsicBaseName += '.' + part; - intrinsicRealName = '%' + intrinsicBaseName + '%'; - - if (hasOwn(INTRINSICS, intrinsicRealName)) { - value = INTRINSICS[intrinsicRealName]; - } else if (value != null) { - if (!(part in value)) { - if (!allowMissing) { - throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.'); - } - return void undefined; - } - if ($gOPD && (i + 1) >= parts.length) { - var desc = $gOPD(value, part); - isOwn = !!desc; - - // By convention, when a data property is converted to an accessor - // property to emulate a data property that does not suffer from - // the override mistake, that accessor's getter is marked with - // an `originalValue` property. Here, when we detect this, we - // uphold the illusion by pretending to see that original data - // property, i.e., returning the value rather than the getter - // itself. - if (isOwn && 'get' in desc && !('originalValue' in desc.get)) { - value = desc.get; - } else { - value = value[part]; - } - } else { - isOwn = hasOwn(value, part); - value = value[part]; - } - - if (isOwn && !skipFurtherCaching) { - INTRINSICS[intrinsicRealName] = value; - } - } - } - return value; -}; - -},{"function-bind":188,"has-proto":193,"has-symbols":194,"hasown":224}],191:[function(require,module,exports){ -'use strict'; - -var GetIntrinsic = require('get-intrinsic'); - -var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true); - -if ($gOPD) { - try { - $gOPD([], 'length'); - } catch (e) { - // IE 8 has a broken gOPD - $gOPD = null; - } -} - -module.exports = $gOPD; - -},{"get-intrinsic":190}],192:[function(require,module,exports){ -'use strict'; - -var GetIntrinsic = require('get-intrinsic'); - -var $defineProperty = GetIntrinsic('%Object.defineProperty%', true); - -var hasPropertyDescriptors = function hasPropertyDescriptors() { - if ($defineProperty) { - try { - $defineProperty({}, 'a', { value: 1 }); - return true; - } catch (e) { - // IE 8 has a broken defineProperty - return false; - } - } - return false; -}; - -hasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() { - // node v0.6 has a bug where array lengths can be Set but not Defined - if (!hasPropertyDescriptors()) { - return null; - } - try { - return $defineProperty([], 'length', { value: 1 }).length !== 1; - } catch (e) { - // In Firefox 4-22, defining length on an array throws an exception. - return true; - } -}; - -module.exports = hasPropertyDescriptors; - -},{"get-intrinsic":190}],193:[function(require,module,exports){ -'use strict'; - -var test = { - foo: {} -}; - -var $Object = Object; - -module.exports = function hasProto() { - return { __proto__: test }.foo === test.foo && !({ __proto__: null } instanceof $Object); -}; - -},{}],194:[function(require,module,exports){ -'use strict'; - -var origSymbol = typeof Symbol !== 'undefined' && Symbol; -var hasSymbolSham = require('./shams'); - -module.exports = function hasNativeSymbols() { - if (typeof origSymbol !== 'function') { return false; } - if (typeof Symbol !== 'function') { return false; } - if (typeof origSymbol('foo') !== 'symbol') { return false; } - if (typeof Symbol('bar') !== 'symbol') { return false; } - - return hasSymbolSham(); -}; - -},{"./shams":195}],195:[function(require,module,exports){ -'use strict'; - -/* eslint complexity: [2, 18], max-statements: [2, 33] */ -module.exports = function hasSymbols() { - if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; } - if (typeof Symbol.iterator === 'symbol') { return true; } - - var obj = {}; - var sym = Symbol('test'); - var symObj = Object(sym); - if (typeof sym === 'string') { return false; } - - if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; } - if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; } - - // temp disabled per https://github.com/ljharb/object.assign/issues/17 - // if (sym instanceof Symbol) { return false; } - // temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4 - // if (!(symObj instanceof Symbol)) { return false; } - - // if (typeof Symbol.prototype.toString !== 'function') { return false; } - // if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; } - - var symVal = 42; - obj[sym] = symVal; - for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop - if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; } - - if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; } - - var syms = Object.getOwnPropertySymbols(obj); - if (syms.length !== 1 || syms[0] !== sym) { return false; } - - if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; } - - if (typeof Object.getOwnPropertyDescriptor === 'function') { - var descriptor = Object.getOwnPropertyDescriptor(obj, sym); - if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; } - } - - return true; -}; - -},{}],196:[function(require,module,exports){ -'use strict' -var Buffer = require('safe-buffer').Buffer -var Transform = require('readable-stream').Transform -var inherits = require('inherits') - -function throwIfNotStringOrBuffer (val, prefix) { - if (!Buffer.isBuffer(val) && typeof val !== 'string') { - throw new TypeError(prefix + ' must be a string or a buffer') - } -} - -function HashBase (blockSize) { - Transform.call(this) - - this._block = Buffer.allocUnsafe(blockSize) - this._blockSize = blockSize - this._blockOffset = 0 - this._length = [0, 0, 0, 0] - - this._finalized = false -} - -inherits(HashBase, Transform) - -HashBase.prototype._transform = function (chunk, encoding, callback) { - var error = null - try { - this.update(chunk, encoding) - } catch (err) { - error = err - } - - callback(error) -} - -HashBase.prototype._flush = function (callback) { - var error = null - try { - this.push(this.digest()) - } catch (err) { - error = err - } - - callback(error) -} - -HashBase.prototype.update = function (data, encoding) { - throwIfNotStringOrBuffer(data, 'Data') - if (this._finalized) throw new Error('Digest already called') - if (!Buffer.isBuffer(data)) data = Buffer.from(data, encoding) - - // consume data - var block = this._block - var offset = 0 - while (this._blockOffset + data.length - offset >= this._blockSize) { - for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++] - this._update() - this._blockOffset = 0 - } - while (offset < data.length) block[this._blockOffset++] = data[offset++] - - // update length - for (var j = 0, carry = data.length * 8; carry > 0; ++j) { - this._length[j] += carry - carry = (this._length[j] / 0x0100000000) | 0 - if (carry > 0) this._length[j] -= 0x0100000000 * carry - } - - return this -} - -HashBase.prototype._update = function () { - throw new Error('_update is not implemented') -} - -HashBase.prototype.digest = function (encoding) { - if (this._finalized) throw new Error('Digest already called') - this._finalized = true - - var digest = this._digest() - if (encoding !== undefined) digest = digest.toString(encoding) - - // reset state - this._block.fill(0) - this._blockOffset = 0 - for (var i = 0; i < 4; ++i) this._length[i] = 0 - - return digest -} - -HashBase.prototype._digest = function () { - throw new Error('_digest is not implemented') -} - -module.exports = HashBase - -},{"inherits":229,"readable-stream":211,"safe-buffer":356}],197:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],198:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":200,"./_stream_writable":202,"_process":309,"dup":29,"inherits":229}],199:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":201,"dup":30,"inherits":229}],200:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":197,"./_stream_duplex":198,"./internal/streams/async_iterator":203,"./internal/streams/buffer_list":204,"./internal/streams/destroy":205,"./internal/streams/from":207,"./internal/streams/state":209,"./internal/streams/stream":210,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],201:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":197,"./_stream_duplex":198,"dup":32,"inherits":229}],202:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":197,"./_stream_duplex":198,"./internal/streams/destroy":205,"./internal/streams/state":209,"./internal/streams/stream":210,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],203:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":206,"_process":309,"dup":34}],204:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],205:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],206:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":197,"dup":37}],207:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],208:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":197,"./end-of-stream":206,"dup":39}],209:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":197,"dup":40}],210:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],211:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":198,"./lib/_stream_passthrough.js":199,"./lib/_stream_readable.js":200,"./lib/_stream_transform.js":201,"./lib/_stream_writable.js":202,"./lib/internal/streams/end-of-stream.js":206,"./lib/internal/streams/pipeline.js":208,"dup":42}],212:[function(require,module,exports){ -var hash = exports; - -hash.utils = require('./hash/utils'); -hash.common = require('./hash/common'); -hash.sha = require('./hash/sha'); -hash.ripemd = require('./hash/ripemd'); -hash.hmac = require('./hash/hmac'); - -// Proxy hash functions to the main object -hash.sha1 = hash.sha.sha1; -hash.sha256 = hash.sha.sha256; -hash.sha224 = hash.sha.sha224; -hash.sha384 = hash.sha.sha384; -hash.sha512 = hash.sha.sha512; -hash.ripemd160 = hash.ripemd.ripemd160; - -},{"./hash/common":213,"./hash/hmac":214,"./hash/ripemd":215,"./hash/sha":216,"./hash/utils":223}],213:[function(require,module,exports){ -'use strict'; - -var utils = require('./utils'); -var assert = require('minimalistic-assert'); - -function BlockHash() { - this.pending = null; - this.pendingTotal = 0; - this.blockSize = this.constructor.blockSize; - this.outSize = this.constructor.outSize; - this.hmacStrength = this.constructor.hmacStrength; - this.padLength = this.constructor.padLength / 8; - this.endian = 'big'; - - this._delta8 = this.blockSize / 8; - this._delta32 = this.blockSize / 32; -} -exports.BlockHash = BlockHash; - -BlockHash.prototype.update = function update(msg, enc) { - // Convert message to array, pad it, and join into 32bit blocks - msg = utils.toArray(msg, enc); - if (!this.pending) - this.pending = msg; - else - this.pending = this.pending.concat(msg); - this.pendingTotal += msg.length; - - // Enough data, try updating - if (this.pending.length >= this._delta8) { - msg = this.pending; - - // Process pending data in blocks - var r = msg.length % this._delta8; - this.pending = msg.slice(msg.length - r, msg.length); - if (this.pending.length === 0) - this.pending = null; - - msg = utils.join32(msg, 0, msg.length - r, this.endian); - for (var i = 0; i < msg.length; i += this._delta32) - this._update(msg, i, i + this._delta32); - } - - return this; -}; - -BlockHash.prototype.digest = function digest(enc) { - this.update(this._pad()); - assert(this.pending === null); - - return this._digest(enc); -}; - -BlockHash.prototype._pad = function pad() { - var len = this.pendingTotal; - var bytes = this._delta8; - var k = bytes - ((len + this.padLength) % bytes); - var res = new Array(k + this.padLength); - res[0] = 0x80; - for (var i = 1; i < k; i++) - res[i] = 0; - - // Append length - len <<= 3; - if (this.endian === 'big') { - for (var t = 8; t < this.padLength; t++) - res[i++] = 0; - - res[i++] = 0; - res[i++] = 0; - res[i++] = 0; - res[i++] = 0; - res[i++] = (len >>> 24) & 0xff; - res[i++] = (len >>> 16) & 0xff; - res[i++] = (len >>> 8) & 0xff; - res[i++] = len & 0xff; - } else { - res[i++] = len & 0xff; - res[i++] = (len >>> 8) & 0xff; - res[i++] = (len >>> 16) & 0xff; - res[i++] = (len >>> 24) & 0xff; - res[i++] = 0; - res[i++] = 0; - res[i++] = 0; - res[i++] = 0; - - for (t = 8; t < this.padLength; t++) - res[i++] = 0; - } - - return res; -}; - -},{"./utils":223,"minimalistic-assert":268}],214:[function(require,module,exports){ -'use strict'; - -var utils = require('./utils'); -var assert = require('minimalistic-assert'); - -function Hmac(hash, key, enc) { - if (!(this instanceof Hmac)) - return new Hmac(hash, key, enc); - this.Hash = hash; - this.blockSize = hash.blockSize / 8; - this.outSize = hash.outSize / 8; - this.inner = null; - this.outer = null; - - this._init(utils.toArray(key, enc)); -} -module.exports = Hmac; - -Hmac.prototype._init = function init(key) { - // Shorten key, if needed - if (key.length > this.blockSize) - key = new this.Hash().update(key).digest(); - assert(key.length <= this.blockSize); - - // Add padding to key - for (var i = key.length; i < this.blockSize; i++) - key.push(0); - - for (i = 0; i < key.length; i++) - key[i] ^= 0x36; - this.inner = new this.Hash().update(key); - - // 0x36 ^ 0x5c = 0x6a - for (i = 0; i < key.length; i++) - key[i] ^= 0x6a; - this.outer = new this.Hash().update(key); -}; - -Hmac.prototype.update = function update(msg, enc) { - this.inner.update(msg, enc); - return this; -}; - -Hmac.prototype.digest = function digest(enc) { - this.outer.update(this.inner.digest()); - return this.outer.digest(enc); -}; - -},{"./utils":223,"minimalistic-assert":268}],215:[function(require,module,exports){ -'use strict'; - -var utils = require('./utils'); -var common = require('./common'); - -var rotl32 = utils.rotl32; -var sum32 = utils.sum32; -var sum32_3 = utils.sum32_3; -var sum32_4 = utils.sum32_4; -var BlockHash = common.BlockHash; - -function RIPEMD160() { - if (!(this instanceof RIPEMD160)) - return new RIPEMD160(); - - BlockHash.call(this); - - this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ]; - this.endian = 'little'; -} -utils.inherits(RIPEMD160, BlockHash); -exports.ripemd160 = RIPEMD160; - -RIPEMD160.blockSize = 512; -RIPEMD160.outSize = 160; -RIPEMD160.hmacStrength = 192; -RIPEMD160.padLength = 64; - -RIPEMD160.prototype._update = function update(msg, start) { - var A = this.h[0]; - var B = this.h[1]; - var C = this.h[2]; - var D = this.h[3]; - var E = this.h[4]; - var Ah = A; - var Bh = B; - var Ch = C; - var Dh = D; - var Eh = E; - for (var j = 0; j < 80; j++) { - var T = sum32( - rotl32( - sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)), - s[j]), - E); - A = E; - E = D; - D = rotl32(C, 10); - C = B; - B = T; - T = sum32( - rotl32( - sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)), - sh[j]), - Eh); - Ah = Eh; - Eh = Dh; - Dh = rotl32(Ch, 10); - Ch = Bh; - Bh = T; - } - T = sum32_3(this.h[1], C, Dh); - this.h[1] = sum32_3(this.h[2], D, Eh); - this.h[2] = sum32_3(this.h[3], E, Ah); - this.h[3] = sum32_3(this.h[4], A, Bh); - this.h[4] = sum32_3(this.h[0], B, Ch); - this.h[0] = T; -}; - -RIPEMD160.prototype._digest = function digest(enc) { - if (enc === 'hex') - return utils.toHex32(this.h, 'little'); - else - return utils.split32(this.h, 'little'); -}; - -function f(j, x, y, z) { - if (j <= 15) - return x ^ y ^ z; - else if (j <= 31) - return (x & y) | ((~x) & z); - else if (j <= 47) - return (x | (~y)) ^ z; - else if (j <= 63) - return (x & z) | (y & (~z)); - else - return x ^ (y | (~z)); -} - -function K(j) { - if (j <= 15) - return 0x00000000; - else if (j <= 31) - return 0x5a827999; - else if (j <= 47) - return 0x6ed9eba1; - else if (j <= 63) - return 0x8f1bbcdc; - else - return 0xa953fd4e; -} - -function Kh(j) { - if (j <= 15) - return 0x50a28be6; - else if (j <= 31) - return 0x5c4dd124; - else if (j <= 47) - return 0x6d703ef3; - else if (j <= 63) - return 0x7a6d76e9; - else - return 0x00000000; -} - -var r = [ - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, - 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, - 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, - 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 -]; - -var rh = [ - 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, - 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, - 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, - 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, - 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 -]; - -var s = [ - 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8, - 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12, - 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5, - 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12, - 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 -]; - -var sh = [ - 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, - 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, - 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, - 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, - 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 -]; - -},{"./common":213,"./utils":223}],216:[function(require,module,exports){ -'use strict'; - -exports.sha1 = require('./sha/1'); -exports.sha224 = require('./sha/224'); -exports.sha256 = require('./sha/256'); -exports.sha384 = require('./sha/384'); -exports.sha512 = require('./sha/512'); - -},{"./sha/1":217,"./sha/224":218,"./sha/256":219,"./sha/384":220,"./sha/512":221}],217:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); -var common = require('../common'); -var shaCommon = require('./common'); - -var rotl32 = utils.rotl32; -var sum32 = utils.sum32; -var sum32_5 = utils.sum32_5; -var ft_1 = shaCommon.ft_1; -var BlockHash = common.BlockHash; - -var sha1_K = [ - 0x5A827999, 0x6ED9EBA1, - 0x8F1BBCDC, 0xCA62C1D6 -]; - -function SHA1() { - if (!(this instanceof SHA1)) - return new SHA1(); - - BlockHash.call(this); - this.h = [ - 0x67452301, 0xefcdab89, 0x98badcfe, - 0x10325476, 0xc3d2e1f0 ]; - this.W = new Array(80); -} - -utils.inherits(SHA1, BlockHash); -module.exports = SHA1; - -SHA1.blockSize = 512; -SHA1.outSize = 160; -SHA1.hmacStrength = 80; -SHA1.padLength = 64; - -SHA1.prototype._update = function _update(msg, start) { - var W = this.W; - - for (var i = 0; i < 16; i++) - W[i] = msg[start + i]; - - for(; i < W.length; i++) - W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1); - - var a = this.h[0]; - var b = this.h[1]; - var c = this.h[2]; - var d = this.h[3]; - var e = this.h[4]; - - for (i = 0; i < W.length; i++) { - var s = ~~(i / 20); - var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]); - e = d; - d = c; - c = rotl32(b, 30); - b = a; - a = t; - } - - this.h[0] = sum32(this.h[0], a); - this.h[1] = sum32(this.h[1], b); - this.h[2] = sum32(this.h[2], c); - this.h[3] = sum32(this.h[3], d); - this.h[4] = sum32(this.h[4], e); -}; - -SHA1.prototype._digest = function digest(enc) { - if (enc === 'hex') - return utils.toHex32(this.h, 'big'); - else - return utils.split32(this.h, 'big'); -}; - -},{"../common":213,"../utils":223,"./common":222}],218:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); -var SHA256 = require('./256'); - -function SHA224() { - if (!(this instanceof SHA224)) - return new SHA224(); - - SHA256.call(this); - this.h = [ - 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, - 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ]; -} -utils.inherits(SHA224, SHA256); -module.exports = SHA224; - -SHA224.blockSize = 512; -SHA224.outSize = 224; -SHA224.hmacStrength = 192; -SHA224.padLength = 64; - -SHA224.prototype._digest = function digest(enc) { - // Just truncate output - if (enc === 'hex') - return utils.toHex32(this.h.slice(0, 7), 'big'); - else - return utils.split32(this.h.slice(0, 7), 'big'); -}; - - -},{"../utils":223,"./256":219}],219:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); -var common = require('../common'); -var shaCommon = require('./common'); -var assert = require('minimalistic-assert'); - -var sum32 = utils.sum32; -var sum32_4 = utils.sum32_4; -var sum32_5 = utils.sum32_5; -var ch32 = shaCommon.ch32; -var maj32 = shaCommon.maj32; -var s0_256 = shaCommon.s0_256; -var s1_256 = shaCommon.s1_256; -var g0_256 = shaCommon.g0_256; -var g1_256 = shaCommon.g1_256; - -var BlockHash = common.BlockHash; - -var sha256_K = [ - 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, - 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, - 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, - 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, - 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, - 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, - 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, - 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, - 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, - 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, - 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, - 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, - 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, - 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, - 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, - 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 -]; - -function SHA256() { - if (!(this instanceof SHA256)) - return new SHA256(); - - BlockHash.call(this); - this.h = [ - 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, - 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 - ]; - this.k = sha256_K; - this.W = new Array(64); -} -utils.inherits(SHA256, BlockHash); -module.exports = SHA256; - -SHA256.blockSize = 512; -SHA256.outSize = 256; -SHA256.hmacStrength = 192; -SHA256.padLength = 64; - -SHA256.prototype._update = function _update(msg, start) { - var W = this.W; - - for (var i = 0; i < 16; i++) - W[i] = msg[start + i]; - for (; i < W.length; i++) - W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]); - - var a = this.h[0]; - var b = this.h[1]; - var c = this.h[2]; - var d = this.h[3]; - var e = this.h[4]; - var f = this.h[5]; - var g = this.h[6]; - var h = this.h[7]; - - assert(this.k.length === W.length); - for (i = 0; i < W.length; i++) { - var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]); - var T2 = sum32(s0_256(a), maj32(a, b, c)); - h = g; - g = f; - f = e; - e = sum32(d, T1); - d = c; - c = b; - b = a; - a = sum32(T1, T2); - } - - this.h[0] = sum32(this.h[0], a); - this.h[1] = sum32(this.h[1], b); - this.h[2] = sum32(this.h[2], c); - this.h[3] = sum32(this.h[3], d); - this.h[4] = sum32(this.h[4], e); - this.h[5] = sum32(this.h[5], f); - this.h[6] = sum32(this.h[6], g); - this.h[7] = sum32(this.h[7], h); -}; - -SHA256.prototype._digest = function digest(enc) { - if (enc === 'hex') - return utils.toHex32(this.h, 'big'); - else - return utils.split32(this.h, 'big'); -}; - -},{"../common":213,"../utils":223,"./common":222,"minimalistic-assert":268}],220:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); - -var SHA512 = require('./512'); - -function SHA384() { - if (!(this instanceof SHA384)) - return new SHA384(); - - SHA512.call(this); - this.h = [ - 0xcbbb9d5d, 0xc1059ed8, - 0x629a292a, 0x367cd507, - 0x9159015a, 0x3070dd17, - 0x152fecd8, 0xf70e5939, - 0x67332667, 0xffc00b31, - 0x8eb44a87, 0x68581511, - 0xdb0c2e0d, 0x64f98fa7, - 0x47b5481d, 0xbefa4fa4 ]; -} -utils.inherits(SHA384, SHA512); -module.exports = SHA384; - -SHA384.blockSize = 1024; -SHA384.outSize = 384; -SHA384.hmacStrength = 192; -SHA384.padLength = 128; - -SHA384.prototype._digest = function digest(enc) { - if (enc === 'hex') - return utils.toHex32(this.h.slice(0, 12), 'big'); - else - return utils.split32(this.h.slice(0, 12), 'big'); -}; - -},{"../utils":223,"./512":221}],221:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); -var common = require('../common'); -var assert = require('minimalistic-assert'); - -var rotr64_hi = utils.rotr64_hi; -var rotr64_lo = utils.rotr64_lo; -var shr64_hi = utils.shr64_hi; -var shr64_lo = utils.shr64_lo; -var sum64 = utils.sum64; -var sum64_hi = utils.sum64_hi; -var sum64_lo = utils.sum64_lo; -var sum64_4_hi = utils.sum64_4_hi; -var sum64_4_lo = utils.sum64_4_lo; -var sum64_5_hi = utils.sum64_5_hi; -var sum64_5_lo = utils.sum64_5_lo; - -var BlockHash = common.BlockHash; - -var sha512_K = [ - 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, - 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, - 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019, - 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, - 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe, - 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, - 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, - 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, - 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3, - 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, - 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, - 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5, - 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, - 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4, - 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, - 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, - 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, - 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df, - 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, - 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, - 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001, - 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, - 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910, - 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, - 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, - 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, - 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb, - 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, - 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, - 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec, - 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, - 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b, - 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, - 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, - 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, - 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b, - 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, - 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, - 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a, - 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817 -]; - -function SHA512() { - if (!(this instanceof SHA512)) - return new SHA512(); - - BlockHash.call(this); - this.h = [ - 0x6a09e667, 0xf3bcc908, - 0xbb67ae85, 0x84caa73b, - 0x3c6ef372, 0xfe94f82b, - 0xa54ff53a, 0x5f1d36f1, - 0x510e527f, 0xade682d1, - 0x9b05688c, 0x2b3e6c1f, - 0x1f83d9ab, 0xfb41bd6b, - 0x5be0cd19, 0x137e2179 ]; - this.k = sha512_K; - this.W = new Array(160); -} -utils.inherits(SHA512, BlockHash); -module.exports = SHA512; - -SHA512.blockSize = 1024; -SHA512.outSize = 512; -SHA512.hmacStrength = 192; -SHA512.padLength = 128; - -SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) { - var W = this.W; - - // 32 x 32bit words - for (var i = 0; i < 32; i++) - W[i] = msg[start + i]; - for (; i < W.length; i += 2) { - var c0_hi = g1_512_hi(W[i - 4], W[i - 3]); // i - 2 - var c0_lo = g1_512_lo(W[i - 4], W[i - 3]); - var c1_hi = W[i - 14]; // i - 7 - var c1_lo = W[i - 13]; - var c2_hi = g0_512_hi(W[i - 30], W[i - 29]); // i - 15 - var c2_lo = g0_512_lo(W[i - 30], W[i - 29]); - var c3_hi = W[i - 32]; // i - 16 - var c3_lo = W[i - 31]; - - W[i] = sum64_4_hi( - c0_hi, c0_lo, - c1_hi, c1_lo, - c2_hi, c2_lo, - c3_hi, c3_lo); - W[i + 1] = sum64_4_lo( - c0_hi, c0_lo, - c1_hi, c1_lo, - c2_hi, c2_lo, - c3_hi, c3_lo); - } -}; - -SHA512.prototype._update = function _update(msg, start) { - this._prepareBlock(msg, start); - - var W = this.W; - - var ah = this.h[0]; - var al = this.h[1]; - var bh = this.h[2]; - var bl = this.h[3]; - var ch = this.h[4]; - var cl = this.h[5]; - var dh = this.h[6]; - var dl = this.h[7]; - var eh = this.h[8]; - var el = this.h[9]; - var fh = this.h[10]; - var fl = this.h[11]; - var gh = this.h[12]; - var gl = this.h[13]; - var hh = this.h[14]; - var hl = this.h[15]; - - assert(this.k.length === W.length); - for (var i = 0; i < W.length; i += 2) { - var c0_hi = hh; - var c0_lo = hl; - var c1_hi = s1_512_hi(eh, el); - var c1_lo = s1_512_lo(eh, el); - var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl); - var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl); - var c3_hi = this.k[i]; - var c3_lo = this.k[i + 1]; - var c4_hi = W[i]; - var c4_lo = W[i + 1]; - - var T1_hi = sum64_5_hi( - c0_hi, c0_lo, - c1_hi, c1_lo, - c2_hi, c2_lo, - c3_hi, c3_lo, - c4_hi, c4_lo); - var T1_lo = sum64_5_lo( - c0_hi, c0_lo, - c1_hi, c1_lo, - c2_hi, c2_lo, - c3_hi, c3_lo, - c4_hi, c4_lo); - - c0_hi = s0_512_hi(ah, al); - c0_lo = s0_512_lo(ah, al); - c1_hi = maj64_hi(ah, al, bh, bl, ch, cl); - c1_lo = maj64_lo(ah, al, bh, bl, ch, cl); - - var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo); - var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo); - - hh = gh; - hl = gl; - - gh = fh; - gl = fl; - - fh = eh; - fl = el; - - eh = sum64_hi(dh, dl, T1_hi, T1_lo); - el = sum64_lo(dl, dl, T1_hi, T1_lo); - - dh = ch; - dl = cl; - - ch = bh; - cl = bl; - - bh = ah; - bl = al; - - ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo); - al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo); - } - - sum64(this.h, 0, ah, al); - sum64(this.h, 2, bh, bl); - sum64(this.h, 4, ch, cl); - sum64(this.h, 6, dh, dl); - sum64(this.h, 8, eh, el); - sum64(this.h, 10, fh, fl); - sum64(this.h, 12, gh, gl); - sum64(this.h, 14, hh, hl); -}; - -SHA512.prototype._digest = function digest(enc) { - if (enc === 'hex') - return utils.toHex32(this.h, 'big'); - else - return utils.split32(this.h, 'big'); -}; - -function ch64_hi(xh, xl, yh, yl, zh) { - var r = (xh & yh) ^ ((~xh) & zh); - if (r < 0) - r += 0x100000000; - return r; -} - -function ch64_lo(xh, xl, yh, yl, zh, zl) { - var r = (xl & yl) ^ ((~xl) & zl); - if (r < 0) - r += 0x100000000; - return r; -} - -function maj64_hi(xh, xl, yh, yl, zh) { - var r = (xh & yh) ^ (xh & zh) ^ (yh & zh); - if (r < 0) - r += 0x100000000; - return r; -} - -function maj64_lo(xh, xl, yh, yl, zh, zl) { - var r = (xl & yl) ^ (xl & zl) ^ (yl & zl); - if (r < 0) - r += 0x100000000; - return r; -} - -function s0_512_hi(xh, xl) { - var c0_hi = rotr64_hi(xh, xl, 28); - var c1_hi = rotr64_hi(xl, xh, 2); // 34 - var c2_hi = rotr64_hi(xl, xh, 7); // 39 - - var r = c0_hi ^ c1_hi ^ c2_hi; - if (r < 0) - r += 0x100000000; - return r; -} - -function s0_512_lo(xh, xl) { - var c0_lo = rotr64_lo(xh, xl, 28); - var c1_lo = rotr64_lo(xl, xh, 2); // 34 - var c2_lo = rotr64_lo(xl, xh, 7); // 39 - - var r = c0_lo ^ c1_lo ^ c2_lo; - if (r < 0) - r += 0x100000000; - return r; -} - -function s1_512_hi(xh, xl) { - var c0_hi = rotr64_hi(xh, xl, 14); - var c1_hi = rotr64_hi(xh, xl, 18); - var c2_hi = rotr64_hi(xl, xh, 9); // 41 - - var r = c0_hi ^ c1_hi ^ c2_hi; - if (r < 0) - r += 0x100000000; - return r; -} - -function s1_512_lo(xh, xl) { - var c0_lo = rotr64_lo(xh, xl, 14); - var c1_lo = rotr64_lo(xh, xl, 18); - var c2_lo = rotr64_lo(xl, xh, 9); // 41 - - var r = c0_lo ^ c1_lo ^ c2_lo; - if (r < 0) - r += 0x100000000; - return r; -} - -function g0_512_hi(xh, xl) { - var c0_hi = rotr64_hi(xh, xl, 1); - var c1_hi = rotr64_hi(xh, xl, 8); - var c2_hi = shr64_hi(xh, xl, 7); - - var r = c0_hi ^ c1_hi ^ c2_hi; - if (r < 0) - r += 0x100000000; - return r; -} - -function g0_512_lo(xh, xl) { - var c0_lo = rotr64_lo(xh, xl, 1); - var c1_lo = rotr64_lo(xh, xl, 8); - var c2_lo = shr64_lo(xh, xl, 7); - - var r = c0_lo ^ c1_lo ^ c2_lo; - if (r < 0) - r += 0x100000000; - return r; -} - -function g1_512_hi(xh, xl) { - var c0_hi = rotr64_hi(xh, xl, 19); - var c1_hi = rotr64_hi(xl, xh, 29); // 61 - var c2_hi = shr64_hi(xh, xl, 6); - - var r = c0_hi ^ c1_hi ^ c2_hi; - if (r < 0) - r += 0x100000000; - return r; -} - -function g1_512_lo(xh, xl) { - var c0_lo = rotr64_lo(xh, xl, 19); - var c1_lo = rotr64_lo(xl, xh, 29); // 61 - var c2_lo = shr64_lo(xh, xl, 6); - - var r = c0_lo ^ c1_lo ^ c2_lo; - if (r < 0) - r += 0x100000000; - return r; -} - -},{"../common":213,"../utils":223,"minimalistic-assert":268}],222:[function(require,module,exports){ -'use strict'; - -var utils = require('../utils'); -var rotr32 = utils.rotr32; - -function ft_1(s, x, y, z) { - if (s === 0) - return ch32(x, y, z); - if (s === 1 || s === 3) - return p32(x, y, z); - if (s === 2) - return maj32(x, y, z); -} -exports.ft_1 = ft_1; - -function ch32(x, y, z) { - return (x & y) ^ ((~x) & z); -} -exports.ch32 = ch32; - -function maj32(x, y, z) { - return (x & y) ^ (x & z) ^ (y & z); -} -exports.maj32 = maj32; - -function p32(x, y, z) { - return x ^ y ^ z; -} -exports.p32 = p32; - -function s0_256(x) { - return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22); -} -exports.s0_256 = s0_256; - -function s1_256(x) { - return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25); -} -exports.s1_256 = s1_256; - -function g0_256(x) { - return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3); -} -exports.g0_256 = g0_256; - -function g1_256(x) { - return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10); -} -exports.g1_256 = g1_256; - -},{"../utils":223}],223:[function(require,module,exports){ -'use strict'; - -var assert = require('minimalistic-assert'); -var inherits = require('inherits'); - -exports.inherits = inherits; - -function isSurrogatePair(msg, i) { - if ((msg.charCodeAt(i) & 0xFC00) !== 0xD800) { - return false; - } - if (i < 0 || i + 1 >= msg.length) { - return false; - } - return (msg.charCodeAt(i + 1) & 0xFC00) === 0xDC00; -} - -function toArray(msg, enc) { - if (Array.isArray(msg)) - return msg.slice(); - if (!msg) - return []; - var res = []; - if (typeof msg === 'string') { - if (!enc) { - // Inspired by stringToUtf8ByteArray() in closure-library by Google - // https://github.com/google/closure-library/blob/8598d87242af59aac233270742c8984e2b2bdbe0/closure/goog/crypt/crypt.js#L117-L143 - // Apache License 2.0 - // https://github.com/google/closure-library/blob/master/LICENSE - var p = 0; - for (var i = 0; i < msg.length; i++) { - var c = msg.charCodeAt(i); - if (c < 128) { - res[p++] = c; - } else if (c < 2048) { - res[p++] = (c >> 6) | 192; - res[p++] = (c & 63) | 128; - } else if (isSurrogatePair(msg, i)) { - c = 0x10000 + ((c & 0x03FF) << 10) + (msg.charCodeAt(++i) & 0x03FF); - res[p++] = (c >> 18) | 240; - res[p++] = ((c >> 12) & 63) | 128; - res[p++] = ((c >> 6) & 63) | 128; - res[p++] = (c & 63) | 128; - } else { - res[p++] = (c >> 12) | 224; - res[p++] = ((c >> 6) & 63) | 128; - res[p++] = (c & 63) | 128; - } - } - } else if (enc === 'hex') { - msg = msg.replace(/[^a-z0-9]+/ig, ''); - if (msg.length % 2 !== 0) - msg = '0' + msg; - for (i = 0; i < msg.length; i += 2) - res.push(parseInt(msg[i] + msg[i + 1], 16)); - } - } else { - for (i = 0; i < msg.length; i++) - res[i] = msg[i] | 0; - } - return res; -} -exports.toArray = toArray; - -function toHex(msg) { - var res = ''; - for (var i = 0; i < msg.length; i++) - res += zero2(msg[i].toString(16)); - return res; -} -exports.toHex = toHex; - -function htonl(w) { - var res = (w >>> 24) | - ((w >>> 8) & 0xff00) | - ((w << 8) & 0xff0000) | - ((w & 0xff) << 24); - return res >>> 0; -} -exports.htonl = htonl; - -function toHex32(msg, endian) { - var res = ''; - for (var i = 0; i < msg.length; i++) { - var w = msg[i]; - if (endian === 'little') - w = htonl(w); - res += zero8(w.toString(16)); - } - return res; -} -exports.toHex32 = toHex32; - -function zero2(word) { - if (word.length === 1) - return '0' + word; - else - return word; -} -exports.zero2 = zero2; - -function zero8(word) { - if (word.length === 7) - return '0' + word; - else if (word.length === 6) - return '00' + word; - else if (word.length === 5) - return '000' + word; - else if (word.length === 4) - return '0000' + word; - else if (word.length === 3) - return '00000' + word; - else if (word.length === 2) - return '000000' + word; - else if (word.length === 1) - return '0000000' + word; - else - return word; -} -exports.zero8 = zero8; - -function join32(msg, start, end, endian) { - var len = end - start; - assert(len % 4 === 0); - var res = new Array(len / 4); - for (var i = 0, k = start; i < res.length; i++, k += 4) { - var w; - if (endian === 'big') - w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3]; - else - w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k]; - res[i] = w >>> 0; - } - return res; -} -exports.join32 = join32; - -function split32(msg, endian) { - var res = new Array(msg.length * 4); - for (var i = 0, k = 0; i < msg.length; i++, k += 4) { - var m = msg[i]; - if (endian === 'big') { - res[k] = m >>> 24; - res[k + 1] = (m >>> 16) & 0xff; - res[k + 2] = (m >>> 8) & 0xff; - res[k + 3] = m & 0xff; - } else { - res[k + 3] = m >>> 24; - res[k + 2] = (m >>> 16) & 0xff; - res[k + 1] = (m >>> 8) & 0xff; - res[k] = m & 0xff; - } - } - return res; -} -exports.split32 = split32; - -function rotr32(w, b) { - return (w >>> b) | (w << (32 - b)); -} -exports.rotr32 = rotr32; - -function rotl32(w, b) { - return (w << b) | (w >>> (32 - b)); -} -exports.rotl32 = rotl32; - -function sum32(a, b) { - return (a + b) >>> 0; -} -exports.sum32 = sum32; - -function sum32_3(a, b, c) { - return (a + b + c) >>> 0; -} -exports.sum32_3 = sum32_3; - -function sum32_4(a, b, c, d) { - return (a + b + c + d) >>> 0; -} -exports.sum32_4 = sum32_4; - -function sum32_5(a, b, c, d, e) { - return (a + b + c + d + e) >>> 0; -} -exports.sum32_5 = sum32_5; - -function sum64(buf, pos, ah, al) { - var bh = buf[pos]; - var bl = buf[pos + 1]; - - var lo = (al + bl) >>> 0; - var hi = (lo < al ? 1 : 0) + ah + bh; - buf[pos] = hi >>> 0; - buf[pos + 1] = lo; -} -exports.sum64 = sum64; - -function sum64_hi(ah, al, bh, bl) { - var lo = (al + bl) >>> 0; - var hi = (lo < al ? 1 : 0) + ah + bh; - return hi >>> 0; -} -exports.sum64_hi = sum64_hi; - -function sum64_lo(ah, al, bh, bl) { - var lo = al + bl; - return lo >>> 0; -} -exports.sum64_lo = sum64_lo; - -function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) { - var carry = 0; - var lo = al; - lo = (lo + bl) >>> 0; - carry += lo < al ? 1 : 0; - lo = (lo + cl) >>> 0; - carry += lo < cl ? 1 : 0; - lo = (lo + dl) >>> 0; - carry += lo < dl ? 1 : 0; - - var hi = ah + bh + ch + dh + carry; - return hi >>> 0; -} -exports.sum64_4_hi = sum64_4_hi; - -function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) { - var lo = al + bl + cl + dl; - return lo >>> 0; -} -exports.sum64_4_lo = sum64_4_lo; - -function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) { - var carry = 0; - var lo = al; - lo = (lo + bl) >>> 0; - carry += lo < al ? 1 : 0; - lo = (lo + cl) >>> 0; - carry += lo < cl ? 1 : 0; - lo = (lo + dl) >>> 0; - carry += lo < dl ? 1 : 0; - lo = (lo + el) >>> 0; - carry += lo < el ? 1 : 0; - - var hi = ah + bh + ch + dh + eh + carry; - return hi >>> 0; -} -exports.sum64_5_hi = sum64_5_hi; - -function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) { - var lo = al + bl + cl + dl + el; - - return lo >>> 0; -} -exports.sum64_5_lo = sum64_5_lo; - -function rotr64_hi(ah, al, num) { - var r = (al << (32 - num)) | (ah >>> num); - return r >>> 0; -} -exports.rotr64_hi = rotr64_hi; - -function rotr64_lo(ah, al, num) { - var r = (ah << (32 - num)) | (al >>> num); - return r >>> 0; -} -exports.rotr64_lo = rotr64_lo; - -function shr64_hi(ah, al, num) { - return ah >>> num; -} -exports.shr64_hi = shr64_hi; - -function shr64_lo(ah, al, num) { - var r = (ah << (32 - num)) | (al >>> num); - return r >>> 0; -} -exports.shr64_lo = shr64_lo; - -},{"inherits":229,"minimalistic-assert":268}],224:[function(require,module,exports){ -'use strict'; - -var call = Function.prototype.call; -var $hasOwn = Object.prototype.hasOwnProperty; -var bind = require('function-bind'); - -/** @type {(o: {}, p: PropertyKey) => p is keyof o} */ -module.exports = bind.call(call, $hasOwn); - -},{"function-bind":188}],225:[function(require,module,exports){ -'use strict'; - -var hash = require('hash.js'); -var utils = require('minimalistic-crypto-utils'); -var assert = require('minimalistic-assert'); - -function HmacDRBG(options) { - if (!(this instanceof HmacDRBG)) - return new HmacDRBG(options); - this.hash = options.hash; - this.predResist = !!options.predResist; - - this.outLen = this.hash.outSize; - this.minEntropy = options.minEntropy || this.hash.hmacStrength; - - this._reseed = null; - this.reseedInterval = null; - this.K = null; - this.V = null; - - var entropy = utils.toArray(options.entropy, options.entropyEnc || 'hex'); - var nonce = utils.toArray(options.nonce, options.nonceEnc || 'hex'); - var pers = utils.toArray(options.pers, options.persEnc || 'hex'); - assert(entropy.length >= (this.minEntropy / 8), - 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits'); - this._init(entropy, nonce, pers); -} -module.exports = HmacDRBG; - -HmacDRBG.prototype._init = function init(entropy, nonce, pers) { - var seed = entropy.concat(nonce).concat(pers); - - this.K = new Array(this.outLen / 8); - this.V = new Array(this.outLen / 8); - for (var i = 0; i < this.V.length; i++) { - this.K[i] = 0x00; - this.V[i] = 0x01; - } - - this._update(seed); - this._reseed = 1; - this.reseedInterval = 0x1000000000000; // 2^48 -}; - -HmacDRBG.prototype._hmac = function hmac() { - return new hash.hmac(this.hash, this.K); -}; - -HmacDRBG.prototype._update = function update(seed) { - var kmac = this._hmac() - .update(this.V) - .update([ 0x00 ]); - if (seed) - kmac = kmac.update(seed); - this.K = kmac.digest(); - this.V = this._hmac().update(this.V).digest(); - if (!seed) - return; - - this.K = this._hmac() - .update(this.V) - .update([ 0x01 ]) - .update(seed) - .digest(); - this.V = this._hmac().update(this.V).digest(); -}; - -HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) { - // Optional entropy enc - if (typeof entropyEnc !== 'string') { - addEnc = add; - add = entropyEnc; - entropyEnc = null; - } - - entropy = utils.toArray(entropy, entropyEnc); - add = utils.toArray(add, addEnc); - - assert(entropy.length >= (this.minEntropy / 8), - 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits'); - - this._update(entropy.concat(add || [])); - this._reseed = 1; -}; - -HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) { - if (this._reseed > this.reseedInterval) - throw new Error('Reseed is required'); - - // Optional encoding - if (typeof enc !== 'string') { - addEnc = add; - add = enc; - enc = null; - } - - // Optional additional data - if (add) { - add = utils.toArray(add, addEnc || 'hex'); - this._update(add); - } - - var temp = []; - while (temp.length < len) { - this.V = this._hmac().update(this.V).digest(); - temp = temp.concat(this.V); - } - - var res = temp.slice(0, len); - this._update(add); - this._reseed++; - return utils.encode(res, enc); -}; - -},{"hash.js":212,"minimalistic-assert":268,"minimalistic-crypto-utils":269}],226:[function(require,module,exports){ -var http = require('http') -var url = require('url') - -var https = module.exports - -for (var key in http) { - if (http.hasOwnProperty(key)) https[key] = http[key] -} - -https.request = function (params, cb) { - params = validateParams(params) - return http.request.call(this, params, cb) -} - -https.get = function (params, cb) { - params = validateParams(params) - return http.get.call(this, params, cb) -} - -function validateParams (params) { - if (typeof params === 'string') { - params = url.parse(params) - } - if (!params.protocol) { - params.protocol = 'https:' - } - if (params.protocol !== 'https:') { - throw new Error('Protocol "' + params.protocol + '" not supported. Expected "https:"') - } - return params -} - -},{"http":424,"url":457}],227:[function(require,module,exports){ -/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh */ -exports.read = function (buffer, offset, isLE, mLen, nBytes) { - var e, m - var eLen = (nBytes * 8) - mLen - 1 - var eMax = (1 << eLen) - 1 - var eBias = eMax >> 1 - var nBits = -7 - var i = isLE ? (nBytes - 1) : 0 - var d = isLE ? -1 : 1 - var s = buffer[offset + i] - - i += d - - e = s & ((1 << (-nBits)) - 1) - s >>= (-nBits) - nBits += eLen - for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} - - m = e & ((1 << (-nBits)) - 1) - e >>= (-nBits) - nBits += mLen - for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} - - if (e === 0) { - e = 1 - eBias - } else if (e === eMax) { - return m ? NaN : ((s ? -1 : 1) * Infinity) - } else { - m = m + Math.pow(2, mLen) - e = e - eBias - } - return (s ? -1 : 1) * m * Math.pow(2, e - mLen) -} - -exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { - var e, m, c - var eLen = (nBytes * 8) - mLen - 1 - var eMax = (1 << eLen) - 1 - var eBias = eMax >> 1 - var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) - var i = isLE ? 0 : (nBytes - 1) - var d = isLE ? 1 : -1 - var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 - - value = Math.abs(value) - - if (isNaN(value) || value === Infinity) { - m = isNaN(value) ? 1 : 0 - e = eMax - } else { - e = Math.floor(Math.log(value) / Math.LN2) - if (value * (c = Math.pow(2, -e)) < 1) { - e-- - c *= 2 - } - if (e + eBias >= 1) { - value += rt / c - } else { - value += rt * Math.pow(2, 1 - eBias) - } - if (value * c >= 2) { - e++ - c /= 2 - } - - if (e + eBias >= eMax) { - m = 0 - e = eMax - } else if (e + eBias >= 1) { - m = ((value * c) - 1) * Math.pow(2, mLen) - e = e + eBias - } else { - m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) - e = 0 - } - } - - for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} - - e = (e << mLen) | m - eLen += mLen - for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} - - buffer[offset + i - d] |= s * 128 -} - -},{}],228:[function(require,module,exports){ -/*! immediate-chunk-store. MIT License. Feross Aboukhadijeh */ -// TODO: remove when window.queueMicrotask() is well supported -const queueMicrotask = require('queue-microtask') - -class ImmediateStore { - constructor (store) { - this.store = store - this.chunkLength = store.chunkLength - - if (!this.store || !this.store.get || !this.store.put) { - throw new Error('First argument must be abstract-chunk-store compliant') - } - - this.mem = [] - } - - put (index, buf, cb = () => {}) { - this.mem[index] = buf - this.store.put(index, buf, err => { - this.mem[index] = null - cb(err) - }) - } - - get (index, opts, cb = () => {}) { - if (typeof opts === 'function') return this.get(index, null, opts) - - let buf = this.mem[index] - - // if the chunk isn't in the immediate memory cache - if (!buf) { - return this.store.get(index, opts, cb) - } - - if (!opts) opts = {} - - const offset = opts.offset || 0 - const len = opts.length || (buf.length - offset) - - if (offset !== 0 || len !== buf.length) { - buf = buf.slice(offset, len + offset) - } - queueMicrotask(() => cb(null, buf)) - } - - close (cb = () => {}) { - this.store.close(cb) - } - - destroy (cb = () => {}) { - this.store.destroy(cb) - } -} - -module.exports = ImmediateStore - -},{"queue-microtask":327}],229:[function(require,module,exports){ -if (typeof Object.create === 'function') { - // implementation from standard node.js 'util' module - module.exports = function inherits(ctor, superCtor) { - if (superCtor) { - ctor.super_ = superCtor - ctor.prototype = Object.create(superCtor.prototype, { - constructor: { - value: ctor, - enumerable: false, - writable: true, - configurable: true - } - }) - } - }; -} else { - // old school shim for old browsers - module.exports = function inherits(ctor, superCtor) { - if (superCtor) { - ctor.super_ = superCtor - var TempCtor = function () {} - TempCtor.prototype = superCtor.prototype - ctor.prototype = new TempCtor() - ctor.prototype.constructor = ctor - } - } -} - -},{}],230:[function(require,module,exports){ -/* (c) 2016 Ari Porad (@ariporad) . License: ariporad.mit-license.org */ - -// Partially from http://stackoverflow.com/a/94049/1928484, and from another SO answer, which told me that the highest -// char code that's ascii is 127, but I can't find the link for. Sorry. - -var MAX_ASCII_CHAR_CODE = 127; - -module.exports = function isAscii(str) { - for (var i = 0, strLen = str.length; i < strLen; ++i) { - if (str.charCodeAt(i) > MAX_ASCII_CHAR_CODE) return false; - } - return true; -}; - -},{}],231:[function(require,module,exports){ -/*! - * Determine if an object is a Buffer - * - * @author Feross Aboukhadijeh - * @license MIT - */ - -// The _isBuffer check is for Safari 5-7 support, because it's missing -// Object.prototype.constructor. Remove this eventually -module.exports = function (obj) { - return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer) -} - -function isBuffer (obj) { - return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj) -} - -// For Node v0.10 support. Remove this eventually. -function isSlowBuffer (obj) { - return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0)) -} - -},{}],232:[function(require,module,exports){ -module.exports = async function * (iterators) { - for (let iterator of iterators) { - // can be lazy functions returning streams - if (typeof iterator === 'function') iterator = iterator() - yield * iterator - } -} - -},{}],233:[function(require,module,exports){ -'use strict'; - -const blacklist = [ - // # All - '^npm-debug\\.log$', // Error log for npm - '^\\..*\\.swp$', // Swap file for vim state - - // # macOS - '^\\.DS_Store$', // Stores custom folder attributes - '^\\.AppleDouble$', // Stores additional file resources - '^\\.LSOverride$', // Contains the absolute path to the app to be used - '^Icon\\r$', // Custom Finder icon: http://superuser.com/questions/298785/icon-file-on-os-x-desktop - '^\\._.*', // Thumbnail - '^\\.Spotlight-V100(?:$|\\/)', // Directory that might appear on external disk - '\\.Trashes', // File that might appear on external disk - '^__MACOSX$', // Resource fork - - // # Linux - '~$', // Backup file - - // # Windows - '^Thumbs\\.db$', // Image file cache - '^ehthumbs\\.db$', // Folder config file - '^Desktop\\.ini$', // Stores custom folder attributes - '@eaDir$' // Synology Diskstation "hidden" folder where the server stores thumbnails -]; - -exports.re = () => { - throw new Error('`junk.re` was renamed to `junk.regex`'); -}; - -exports.regex = new RegExp(blacklist.join('|')); - -exports.is = filename => exports.regex.test(filename); - -exports.not = filename => !exports.is(filename); - -// TODO: Remove this for the next major release -exports.default = module.exports; - -},{}],234:[function(require,module,exports){ - -exports.RateLimiter = require('./lib/rateLimiter'); -exports.TokenBucket = require('./lib/tokenBucket'); - -},{"./lib/rateLimiter":236,"./lib/tokenBucket":237}],235:[function(require,module,exports){ -(function (process){(function (){ -var getMilliseconds = function() { - if (typeof process !== 'undefined' && process.hrtime) { - var hrtime = process.hrtime(); - var seconds = hrtime[0]; - var nanoseconds = hrtime[1]; - - return seconds * 1e3 + Math.floor(nanoseconds / 1e6); - } - - return new Date().getTime(); -} - -module.exports = getMilliseconds; - -}).call(this)}).call(this,require('_process')) -},{"_process":309}],236:[function(require,module,exports){ -(function (process){(function (){ -var TokenBucket = require('./tokenBucket'); -var getMilliseconds = require('./clock'); - -/** - * A generic rate limiter. Underneath the hood, this uses a token bucket plus - * an additional check to limit how many tokens we can remove each interval. - * @author John Hurliman - * - * @param {Number} tokensPerInterval Maximum number of tokens that can be - * removed at any given moment and over the course of one interval. - * @param {String|Number} interval The interval length in milliseconds, or as - * one of the following strings: 'second', 'minute', 'hour', day'. - * @param {Boolean} fireImmediately Optional. Whether or not the callback - * will fire immediately when rate limiting is in effect (default is false). - */ -var RateLimiter = function(tokensPerInterval, interval, fireImmediately) { - this.tokenBucket = new TokenBucket(tokensPerInterval, tokensPerInterval, - interval, null); - - // Fill the token bucket to start - this.tokenBucket.content = tokensPerInterval; - - this.curIntervalStart = getMilliseconds(); - this.tokensThisInterval = 0; - this.fireImmediately = fireImmediately; -}; - -RateLimiter.prototype = { - tokenBucket: null, - curIntervalStart: 0, - tokensThisInterval: 0, - fireImmediately: false, - - /** - * Remove the requested number of tokens and fire the given callback. If the - * rate limiter contains enough tokens and we haven't spent too many tokens - * in this interval already, this will happen immediately. Otherwise, the - * removal and callback will happen when enough tokens become available. - * @param {Number} count The number of tokens to remove. - * @param {Function} callback(err, remainingTokens) - * @returns {Boolean} True if the callback was fired immediately, otherwise - * false. - */ - removeTokens: function(count, callback) { - // Make sure the request isn't for more than we can handle - if (count > this.tokenBucket.bucketSize) { - process.nextTick(callback.bind(null, 'Requested tokens ' + count + - ' exceeds maximum tokens per interval ' + this.tokenBucket.bucketSize, - null)); - return false; - } - - var self = this; - var now = getMilliseconds(); - - // Advance the current interval and reset the current interval token count - // if needed - if (now < this.curIntervalStart - || now - this.curIntervalStart >= this.tokenBucket.interval) { - this.curIntervalStart = now; - this.tokensThisInterval = 0; - } - - // If we don't have enough tokens left in this interval, wait until the - // next interval - if (count > this.tokenBucket.tokensPerInterval - this.tokensThisInterval) { - if (this.fireImmediately) { - process.nextTick(callback.bind(null, null, -1)); - } else { - var waitInterval = Math.ceil( - this.curIntervalStart + this.tokenBucket.interval - now); - - setTimeout(function() { - self.tokenBucket.removeTokens(count, afterTokensRemoved); - }, waitInterval); - } - return false; - } - - // Remove the requested number of tokens from the token bucket - return this.tokenBucket.removeTokens(count, afterTokensRemoved); - - function afterTokensRemoved(err, tokensRemaining) { - if (err) return callback(err, null); - - self.tokensThisInterval += count; - callback(null, tokensRemaining); - } - }, - - /** - * Attempt to remove the requested number of tokens and return immediately. - * If the bucket (and any parent buckets) contains enough tokens and we - * haven't spent too many tokens in this interval already, this will return - * true. Otherwise, false is returned. - * @param {Number} count The number of tokens to remove. - * @param {Boolean} True if the tokens were successfully removed, otherwise - * false. - */ - tryRemoveTokens: function(count) { - // Make sure the request isn't for more than we can handle - if (count > this.tokenBucket.bucketSize) - return false; - - var now = getMilliseconds(); - - // Advance the current interval and reset the current interval token count - // if needed - if (now < this.curIntervalStart - || now - this.curIntervalStart >= this.tokenBucket.interval) { - this.curIntervalStart = now; - this.tokensThisInterval = 0; - } - - // If we don't have enough tokens left in this interval, return false - if (count > this.tokenBucket.tokensPerInterval - this.tokensThisInterval) - return false; - - // Try to remove the requested number of tokens from the token bucket - var removed = this.tokenBucket.tryRemoveTokens(count); - if (removed) { - this.tokensThisInterval += count; - } - return removed; - }, - - /** - * Returns the number of tokens remaining in the TokenBucket. - * @returns {Number} The number of tokens remaining. - */ - getTokensRemaining: function () { - this.tokenBucket.drip(); - return this.tokenBucket.content; - } -}; - -module.exports = RateLimiter; - -}).call(this)}).call(this,require('_process')) -},{"./clock":235,"./tokenBucket":237,"_process":309}],237:[function(require,module,exports){ -(function (process){(function (){ - -/** - * A hierarchical token bucket for rate limiting. See - * http://en.wikipedia.org/wiki/Token_bucket for more information. - * @author John Hurliman - * - * @param {Number} bucketSize Maximum number of tokens to hold in the bucket. - * Also known as the burst rate. - * @param {Number} tokensPerInterval Number of tokens to drip into the bucket - * over the course of one interval. - * @param {String|Number} interval The interval length in milliseconds, or as - * one of the following strings: 'second', 'minute', 'hour', day'. - * @param {TokenBucket} parentBucket Optional. A token bucket that will act as - * the parent of this bucket. - */ -var TokenBucket = function(bucketSize, tokensPerInterval, interval, parentBucket) { - this.bucketSize = bucketSize; - this.tokensPerInterval = tokensPerInterval; - - if (typeof interval === 'string') { - switch (interval) { - case 'sec': case 'second': - this.interval = 1000; break; - case 'min': case 'minute': - this.interval = 1000 * 60; break; - case 'hr': case 'hour': - this.interval = 1000 * 60 * 60; break; - case 'day': - this.interval = 1000 * 60 * 60 * 24; break; - default: - throw new Error('Invaid interval ' + interval); - } - } else { - this.interval = interval; - } - - this.parentBucket = parentBucket; - this.content = 0; - this.lastDrip = +new Date(); -}; - -TokenBucket.prototype = { - bucketSize: 1, - tokensPerInterval: 1, - interval: 1000, - parentBucket: null, - content: 0, - lastDrip: 0, - - /** - * Remove the requested number of tokens and fire the given callback. If the - * bucket (and any parent buckets) contains enough tokens this will happen - * immediately. Otherwise, the removal and callback will happen when enough - * tokens become available. - * @param {Number} count The number of tokens to remove. - * @param {Function} callback(err, remainingTokens) - * @returns {Boolean} True if the callback was fired immediately, otherwise - * false. - */ - removeTokens: function(count, callback) { - var self = this; - - // Is this an infinite size bucket? - if (!this.bucketSize) { - process.nextTick(callback.bind(null, null, count, Number.POSITIVE_INFINITY)); - return true; - } - - // Make sure the bucket can hold the requested number of tokens - if (count > this.bucketSize) { - process.nextTick(callback.bind(null, 'Requested tokens ' + count + ' exceeds bucket size ' + - this.bucketSize, null)); - return false; - } - - // Drip new tokens into this bucket - this.drip(); - - // If we don't have enough tokens in this bucket, come back later - if (count > this.content) - return comeBackLater(); - - if (this.parentBucket) { - // Remove the requested from the parent bucket first - return this.parentBucket.removeTokens(count, function(err, remainingTokens) { - if (err) return callback(err, null); - - // Check that we still have enough tokens in this bucket - if (count > self.content) - return comeBackLater(); - - // Tokens were removed from the parent bucket, now remove them from - // this bucket and fire the callback. Note that we look at the current - // bucket and parent bucket's remaining tokens and return the smaller - // of the two values - self.content -= count; - callback(null, Math.min(remainingTokens, self.content)); - }); - } else { - // Remove the requested tokens from this bucket and fire the callback - this.content -= count; - process.nextTick(callback.bind(null, null, this.content)); - return true; - } - - function comeBackLater() { - // How long do we need to wait to make up the difference in tokens? - var waitInterval = Math.ceil( - (count - self.content) * (self.interval / self.tokensPerInterval)); - setTimeout(function() { self.removeTokens(count, callback); }, waitInterval); - return false; - } - }, - - /** - * Attempt to remove the requested number of tokens and return immediately. - * If the bucket (and any parent buckets) contains enough tokens this will - * return true, otherwise false is returned. - * @param {Number} count The number of tokens to remove. - * @param {Boolean} True if the tokens were successfully removed, otherwise - * false. - */ - tryRemoveTokens: function(count) { - // Is this an infinite size bucket? - if (!this.bucketSize) - return true; - - // Make sure the bucket can hold the requested number of tokens - if (count > this.bucketSize) - return false; - - // Drip new tokens into this bucket - this.drip(); - - // If we don't have enough tokens in this bucket, return false - if (count > this.content) - return false; - - // Try to remove the requested tokens from the parent bucket - if (this.parentBucket && !this.parentBucket.tryRemoveTokens(count)) - return false; - - // Remove the requested tokens from this bucket and return - this.content -= count; - return true; - }, - - /** - * Add any new tokens to the bucket since the last drip. - * @returns {Boolean} True if new tokens were added, otherwise false. - */ - drip: function() { - if (!this.tokensPerInterval) { - this.content = this.bucketSize; - return; - } - - var now = +new Date(); - var deltaMS = Math.max(now - this.lastDrip, 0); - this.lastDrip = now; - - var dripAmount = deltaMS * (this.tokensPerInterval / this.interval); - this.content = Math.min(this.content + dripAmount, this.bucketSize); - } -}; - -module.exports = TokenBucket; - -}).call(this)}).call(this,require('_process')) -},{"_process":309}],238:[function(require,module,exports){ -var events = require('events') -var inherits = require('inherits') - -module.exports = LRU - -function LRU (opts) { - if (!(this instanceof LRU)) return new LRU(opts) - if (typeof opts === 'number') opts = {max: opts} - if (!opts) opts = {} - events.EventEmitter.call(this) - this.cache = {} - this.head = this.tail = null - this.length = 0 - this.max = opts.max || 1000 - this.maxAge = opts.maxAge || 0 -} - -inherits(LRU, events.EventEmitter) - -Object.defineProperty(LRU.prototype, 'keys', { - get: function () { return Object.keys(this.cache) } -}) - -LRU.prototype.clear = function () { - this.cache = {} - this.head = this.tail = null - this.length = 0 -} - -LRU.prototype.remove = function (key) { - if (typeof key !== 'string') key = '' + key - if (!this.cache.hasOwnProperty(key)) return - - var element = this.cache[key] - delete this.cache[key] - this._unlink(key, element.prev, element.next) - return element.value -} - -LRU.prototype._unlink = function (key, prev, next) { - this.length-- - - if (this.length === 0) { - this.head = this.tail = null - } else { - if (this.head === key) { - this.head = prev - this.cache[this.head].next = null - } else if (this.tail === key) { - this.tail = next - this.cache[this.tail].prev = null - } else { - this.cache[prev].next = next - this.cache[next].prev = prev - } - } -} - -LRU.prototype.peek = function (key) { - if (!this.cache.hasOwnProperty(key)) return - - var element = this.cache[key] - - if (!this._checkAge(key, element)) return - return element.value -} - -LRU.prototype.set = function (key, value) { - if (typeof key !== 'string') key = '' + key - - var element - - if (this.cache.hasOwnProperty(key)) { - element = this.cache[key] - element.value = value - if (this.maxAge) element.modified = Date.now() - - // If it's already the head, there's nothing more to do: - if (key === this.head) return value - this._unlink(key, element.prev, element.next) - } else { - element = {value: value, modified: 0, next: null, prev: null} - if (this.maxAge) element.modified = Date.now() - this.cache[key] = element - - // Eviction is only possible if the key didn't already exist: - if (this.length === this.max) this.evict() - } - - this.length++ - element.next = null - element.prev = this.head - - if (this.head) this.cache[this.head].next = key - this.head = key - - if (!this.tail) this.tail = key - return value -} - -LRU.prototype._checkAge = function (key, element) { - if (this.maxAge && (Date.now() - element.modified) > this.maxAge) { - this.remove(key) - this.emit('evict', {key: key, value: element.value}) - return false - } - return true -} - -LRU.prototype.get = function (key) { - if (typeof key !== 'string') key = '' + key - if (!this.cache.hasOwnProperty(key)) return - - var element = this.cache[key] - - if (!this._checkAge(key, element)) return - - if (this.head !== key) { - if (key === this.tail) { - this.tail = element.next - this.cache[this.tail].prev = null - } else { - // Set prev.next -> element.next: - this.cache[element.prev].next = element.next - } - - // Set element.next.prev -> element.prev: - this.cache[element.next].prev = element.prev - - // Element is the new head - this.cache[this.head].next = key - element.prev = this.head - element.next = null - this.head = key - } - - return element.value -} - -LRU.prototype.evict = function () { - if (!this.tail) return - var key = this.tail - var value = this.remove(this.tail) - this.emit('evict', {key: key, value: value}) -} - -},{"events":181,"inherits":229}],239:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! lt_donthave. MIT License. WebTorrent LLC */ -const arrayRemove = require('unordered-array-remove') -const { EventEmitter } = require('events') -const debug = require('debug')('lt_donthave') - -module.exports = () => { - class ltDontHave extends EventEmitter { - constructor (wire) { - super() - - this._peerSupports = false - this._wire = wire - } - - onExtendedHandshake () { - this._peerSupports = true - } - - onMessage (buf) { - let index - try { - index = buf.readUInt32BE() - } catch (err) { - // drop invalid messages - return - } - - if (!this._wire.peerPieces.get(index)) return - debug('got donthave %d', index) - this._wire.peerPieces.set(index, false) - - this.emit('donthave', index) - this._failRequests(index) - } - - donthave (index) { - if (!this._peerSupports) return - - debug('donthave %d', index) - const buf = Buffer.alloc(4) - buf.writeUInt32BE(index) - - this._wire.extended('lt_donthave', buf) - } - - _failRequests (index) { - const requests = this._wire.requests - for (let i = 0; i < requests.length; i++) { - const req = requests[i] - if (req.piece === index) { - arrayRemove(requests, i) - i -= 1 // Check the new value at the same slot - this._wire._callback(req, new Error('peer sent donthave'), null) - } - } - } - } - - // Name of the bittorrent-protocol extension - ltDontHave.prototype.name = 'lt_donthave' - - return ltDontHave -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"debug":148,"events":181,"unordered-array-remove":456}],240:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! magnet-uri. MIT License. WebTorrent LLC */ -module.exports = magnetURIDecode -module.exports.decode = magnetURIDecode -module.exports.encode = magnetURIEncode - -const base32 = require('thirty-two') -const bep53Range = require('bep53-range') - -/** - * Parse a magnet URI and return an object of keys/values - * - * @param {string} uri - * @return {Object} parsed uri - */ -function magnetURIDecode (uri) { - const result = {} - - // Support 'magnet:' and 'stream-magnet:' uris - const data = uri.split('magnet:?')[1] - - const params = (data && data.length >= 0) - ? data.split('&') - : [] - - params.forEach(param => { - const keyval = param.split('=') - - // This keyval is invalid, skip it - if (keyval.length !== 2) return - - const key = keyval[0] - let val = keyval[1] - - // Clean up torrent name - if (key === 'dn') val = decodeURIComponent(val).replace(/\+/g, ' ') - - // Address tracker (tr), exact source (xs), and acceptable source (as) are encoded - // URIs, so decode them - if (key === 'tr' || key === 'xs' || key === 'as' || key === 'ws') { - val = decodeURIComponent(val) - } - - // Return keywords as an array - if (key === 'kt') val = decodeURIComponent(val).split('+') - - // Cast file index (ix) to a number - if (key === 'ix') val = Number(val) - - // bep53 - if (key === 'so') val = bep53Range.parse(decodeURIComponent(val).split(',')) - - // If there are repeated parameters, return an array of values - if (result[key]) { - if (!Array.isArray(result[key])) { - result[key] = [result[key]] - } - - result[key].push(val) - } else { - result[key] = val - } - }) - - // Convenience properties for parity with `parse-torrent-file` module - let m - if (result.xt) { - const xts = Array.isArray(result.xt) ? result.xt : [result.xt] - xts.forEach(xt => { - if ((m = xt.match(/^urn:btih:(.{40})/))) { - result.infoHash = m[1].toLowerCase() - } else if ((m = xt.match(/^urn:btih:(.{32})/))) { - const decodedStr = base32.decode(m[1]) - result.infoHash = Buffer.from(decodedStr, 'binary').toString('hex') - } else if ((m = xt.match(/^urn:btmh:1220(.{64})/))) { - result.infoHashV2 = m[1].toLowerCase() - } - }) - } - - if (result.xs) { - const xss = Array.isArray(result.xs) ? result.xs : [result.xs] - xss.forEach(xs => { - if ((m = xs.match(/^urn:btpk:(.{64})/))) { - result.publicKey = m[1].toLowerCase() - } - }) - } - - if (result.infoHash) result.infoHashBuffer = Buffer.from(result.infoHash, 'hex') - if (result.infoHashV2) result.infoHashV2Buffer = Buffer.from(result.infoHashV2, 'hex') - if (result.publicKey) result.publicKeyBuffer = Buffer.from(result.publicKey, 'hex') - - if (result.dn) result.name = result.dn - if (result.kt) result.keywords = result.kt - - result.announce = [] - if (typeof result.tr === 'string' || Array.isArray(result.tr)) { - result.announce = result.announce.concat(result.tr) - } - - result.urlList = [] - if (typeof result.as === 'string' || Array.isArray(result.as)) { - result.urlList = result.urlList.concat(result.as) - } - if (typeof result.ws === 'string' || Array.isArray(result.ws)) { - result.urlList = result.urlList.concat(result.ws) - } - - result.peerAddresses = [] - if (typeof result['x.pe'] === 'string' || Array.isArray(result['x.pe'])) { - result.peerAddresses = result.peerAddresses.concat(result['x.pe']) - } - - // remove duplicates by converting to Set and back - result.announce = Array.from(new Set(result.announce)) - result.urlList = Array.from(new Set(result.urlList)) - result.peerAddresses = Array.from(new Set(result.peerAddresses)) - - return result -} - -function magnetURIEncode (obj) { - obj = Object.assign({}, obj) // clone obj, so we can mutate it - - // support using convenience names, in addition to spec names - // (example: `infoHash` for `xt`, `name` for `dn`) - - // Deduplicate xt by using a set - let xts = new Set() - if (obj.xt && typeof obj.xt === 'string') xts.add(obj.xt) - if (obj.xt && Array.isArray(obj.xt)) xts = new Set(obj.xt) - if (obj.infoHashBuffer) xts.add(`urn:btih:${obj.infoHashBuffer.toString('hex')}`) - if (obj.infoHash) xts.add(`urn:btih:${obj.infoHash}`) - if (obj.infoHashV2Buffer) xts.add(obj.xt = `urn:btmh:1220${obj.infoHashV2Buffer.toString('hex')}`) - if (obj.infoHashV2) xts.add(`urn:btmh:1220${obj.infoHashV2}`) - const xtsDeduped = Array.from(xts) - if (xtsDeduped.length === 1) obj.xt = xtsDeduped[0] - if (xtsDeduped.length > 1) obj.xt = xtsDeduped - - if (obj.publicKeyBuffer) obj.xs = `urn:btpk:${obj.publicKeyBuffer.toString('hex')}` - if (obj.publicKey) obj.xs = `urn:btpk:${obj.publicKey}` - if (obj.name) obj.dn = obj.name - if (obj.keywords) obj.kt = obj.keywords - if (obj.announce) obj.tr = obj.announce - if (obj.urlList) { - obj.ws = obj.urlList - delete obj.as - } - if (obj.peerAddresses) obj['x.pe'] = obj.peerAddresses - - let result = 'magnet:?' - Object.keys(obj) - .filter(key => key.length === 2 || key === 'x.pe') - .forEach((key, i) => { - const values = Array.isArray(obj[key]) ? obj[key] : [obj[key]] - values.forEach((val, j) => { - if ((i > 0 || j > 0) && ((key !== 'kt' && key !== 'so') || j === 0)) result += '&' - - if (key === 'dn') val = encodeURIComponent(val).replace(/%20/g, '+') - if (key === 'tr' || key === 'as' || key === 'ws') { - val = encodeURIComponent(val) - } - // Don't URI encode BEP46 keys - if (key === 'xs' && !val.startsWith('urn:btpk:')) { - val = encodeURIComponent(val) - } - if (key === 'kt') val = encodeURIComponent(val) - if (key === 'so') return - - if (key === 'kt' && j > 0) result += `+${val}` - else result += `${key}=${val}` - }) - if (key === 'so') result += `${key}=${bep53Range.compose(values)}` - }) - - return result -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"bep53-range":24,"buffer":110,"thirty-two":448}],241:[function(require,module,exports){ -'use strict' -var inherits = require('inherits') -var HashBase = require('hash-base') -var Buffer = require('safe-buffer').Buffer - -var ARRAY16 = new Array(16) - -function MD5 () { - HashBase.call(this, 64) - - // state - this._a = 0x67452301 - this._b = 0xefcdab89 - this._c = 0x98badcfe - this._d = 0x10325476 -} - -inherits(MD5, HashBase) - -MD5.prototype._update = function () { - var M = ARRAY16 - for (var i = 0; i < 16; ++i) M[i] = this._block.readInt32LE(i * 4) - - var a = this._a - var b = this._b - var c = this._c - var d = this._d - - a = fnF(a, b, c, d, M[0], 0xd76aa478, 7) - d = fnF(d, a, b, c, M[1], 0xe8c7b756, 12) - c = fnF(c, d, a, b, M[2], 0x242070db, 17) - b = fnF(b, c, d, a, M[3], 0xc1bdceee, 22) - a = fnF(a, b, c, d, M[4], 0xf57c0faf, 7) - d = fnF(d, a, b, c, M[5], 0x4787c62a, 12) - c = fnF(c, d, a, b, M[6], 0xa8304613, 17) - b = fnF(b, c, d, a, M[7], 0xfd469501, 22) - a = fnF(a, b, c, d, M[8], 0x698098d8, 7) - d = fnF(d, a, b, c, M[9], 0x8b44f7af, 12) - c = fnF(c, d, a, b, M[10], 0xffff5bb1, 17) - b = fnF(b, c, d, a, M[11], 0x895cd7be, 22) - a = fnF(a, b, c, d, M[12], 0x6b901122, 7) - d = fnF(d, a, b, c, M[13], 0xfd987193, 12) - c = fnF(c, d, a, b, M[14], 0xa679438e, 17) - b = fnF(b, c, d, a, M[15], 0x49b40821, 22) - - a = fnG(a, b, c, d, M[1], 0xf61e2562, 5) - d = fnG(d, a, b, c, M[6], 0xc040b340, 9) - c = fnG(c, d, a, b, M[11], 0x265e5a51, 14) - b = fnG(b, c, d, a, M[0], 0xe9b6c7aa, 20) - a = fnG(a, b, c, d, M[5], 0xd62f105d, 5) - d = fnG(d, a, b, c, M[10], 0x02441453, 9) - c = fnG(c, d, a, b, M[15], 0xd8a1e681, 14) - b = fnG(b, c, d, a, M[4], 0xe7d3fbc8, 20) - a = fnG(a, b, c, d, M[9], 0x21e1cde6, 5) - d = fnG(d, a, b, c, M[14], 0xc33707d6, 9) - c = fnG(c, d, a, b, M[3], 0xf4d50d87, 14) - b = fnG(b, c, d, a, M[8], 0x455a14ed, 20) - a = fnG(a, b, c, d, M[13], 0xa9e3e905, 5) - d = fnG(d, a, b, c, M[2], 0xfcefa3f8, 9) - c = fnG(c, d, a, b, M[7], 0x676f02d9, 14) - b = fnG(b, c, d, a, M[12], 0x8d2a4c8a, 20) - - a = fnH(a, b, c, d, M[5], 0xfffa3942, 4) - d = fnH(d, a, b, c, M[8], 0x8771f681, 11) - c = fnH(c, d, a, b, M[11], 0x6d9d6122, 16) - b = fnH(b, c, d, a, M[14], 0xfde5380c, 23) - a = fnH(a, b, c, d, M[1], 0xa4beea44, 4) - d = fnH(d, a, b, c, M[4], 0x4bdecfa9, 11) - c = fnH(c, d, a, b, M[7], 0xf6bb4b60, 16) - b = fnH(b, c, d, a, M[10], 0xbebfbc70, 23) - a = fnH(a, b, c, d, M[13], 0x289b7ec6, 4) - d = fnH(d, a, b, c, M[0], 0xeaa127fa, 11) - c = fnH(c, d, a, b, M[3], 0xd4ef3085, 16) - b = fnH(b, c, d, a, M[6], 0x04881d05, 23) - a = fnH(a, b, c, d, M[9], 0xd9d4d039, 4) - d = fnH(d, a, b, c, M[12], 0xe6db99e5, 11) - c = fnH(c, d, a, b, M[15], 0x1fa27cf8, 16) - b = fnH(b, c, d, a, M[2], 0xc4ac5665, 23) - - a = fnI(a, b, c, d, M[0], 0xf4292244, 6) - d = fnI(d, a, b, c, M[7], 0x432aff97, 10) - c = fnI(c, d, a, b, M[14], 0xab9423a7, 15) - b = fnI(b, c, d, a, M[5], 0xfc93a039, 21) - a = fnI(a, b, c, d, M[12], 0x655b59c3, 6) - d = fnI(d, a, b, c, M[3], 0x8f0ccc92, 10) - c = fnI(c, d, a, b, M[10], 0xffeff47d, 15) - b = fnI(b, c, d, a, M[1], 0x85845dd1, 21) - a = fnI(a, b, c, d, M[8], 0x6fa87e4f, 6) - d = fnI(d, a, b, c, M[15], 0xfe2ce6e0, 10) - c = fnI(c, d, a, b, M[6], 0xa3014314, 15) - b = fnI(b, c, d, a, M[13], 0x4e0811a1, 21) - a = fnI(a, b, c, d, M[4], 0xf7537e82, 6) - d = fnI(d, a, b, c, M[11], 0xbd3af235, 10) - c = fnI(c, d, a, b, M[2], 0x2ad7d2bb, 15) - b = fnI(b, c, d, a, M[9], 0xeb86d391, 21) - - this._a = (this._a + a) | 0 - this._b = (this._b + b) | 0 - this._c = (this._c + c) | 0 - this._d = (this._d + d) | 0 -} - -MD5.prototype._digest = function () { - // create padding and handle blocks - this._block[this._blockOffset++] = 0x80 - if (this._blockOffset > 56) { - this._block.fill(0, this._blockOffset, 64) - this._update() - this._blockOffset = 0 - } - - this._block.fill(0, this._blockOffset, 56) - this._block.writeUInt32LE(this._length[0], 56) - this._block.writeUInt32LE(this._length[1], 60) - this._update() - - // produce result - var buffer = Buffer.allocUnsafe(16) - buffer.writeInt32LE(this._a, 0) - buffer.writeInt32LE(this._b, 4) - buffer.writeInt32LE(this._c, 8) - buffer.writeInt32LE(this._d, 12) - return buffer -} - -function rotl (x, n) { - return (x << n) | (x >>> (32 - n)) -} - -function fnF (a, b, c, d, m, k, s) { - return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + b) | 0 -} - -function fnG (a, b, c, d, m, k, s) { - return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + b) | 0 -} - -function fnH (a, b, c, d, m, k, s) { - return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + b) | 0 -} - -function fnI (a, b, c, d, m, k, s) { - return (rotl((a + ((c ^ (b | (~d)))) + m + k) | 0, s) + b) | 0 -} - -module.exports = MD5 - -},{"hash-base":196,"inherits":229,"safe-buffer":356}],242:[function(require,module,exports){ -/*! mediasource. MIT License. Feross Aboukhadijeh */ -module.exports = MediaElementWrapper - -var inherits = require('inherits') -var stream = require('readable-stream') -var toArrayBuffer = require('to-arraybuffer') - -var MediaSource = typeof window !== 'undefined' && window.MediaSource - -var DEFAULT_BUFFER_DURATION = 60 // seconds - -function MediaElementWrapper (elem, opts) { - var self = this - if (!(self instanceof MediaElementWrapper)) return new MediaElementWrapper(elem, opts) - - if (!MediaSource) throw new Error('web browser lacks MediaSource support') - - if (!opts) opts = {} - self._debug = opts.debug - self._bufferDuration = opts.bufferDuration || DEFAULT_BUFFER_DURATION - self._elem = elem - self._mediaSource = new MediaSource() - self._streams = [] - self.detailedError = null - - self._errorHandler = function () { - self._elem.removeEventListener('error', self._errorHandler) - var streams = self._streams.slice() - streams.forEach(function (stream) { - stream.destroy(self._elem.error) - }) - } - self._elem.addEventListener('error', self._errorHandler) - - self._elem.src = window.URL.createObjectURL(self._mediaSource) -} - -/* - * `obj` can be a previous value returned by this function - * or a string - */ -MediaElementWrapper.prototype.createWriteStream = function (obj) { - var self = this - - return new MediaSourceStream(self, obj) -} - -/* - * Use to trigger an error on the underlying media element - */ -MediaElementWrapper.prototype.error = function (err) { - var self = this - - // be careful not to overwrite any existing detailedError values - if (!self.detailedError) { - self.detailedError = err - } - self._dumpDebugData() - try { - self._mediaSource.endOfStream('decode') - } catch (err) {} - - try { - // Attempt to clean up object URL - window.URL.revokeObjectURL(self._elem.src) - } catch (err) {} -} - -/* - * When self._debug is set, dump all data to files - */ -MediaElementWrapper.prototype._dumpDebugData = function () { - var self = this - - if (self._debug) { - self._debug = false // prevent multiple dumps on multiple errors - self._streams.forEach(function (stream, i) { - downloadBuffers(stream._debugBuffers, 'mediasource-stream-' + i) - }) - } -} - -inherits(MediaSourceStream, stream.Writable) - -function MediaSourceStream (wrapper, obj) { - var self = this - stream.Writable.call(self) - - self._wrapper = wrapper - self._elem = wrapper._elem - self._mediaSource = wrapper._mediaSource - self._allStreams = wrapper._streams - self._allStreams.push(self) - self._bufferDuration = wrapper._bufferDuration - self._sourceBuffer = null - self._debugBuffers = [] - - self._openHandler = function () { - self._onSourceOpen() - } - self._flowHandler = function () { - self._flow() - } - self._errorHandler = function (err) { - if (!self.destroyed) { - self.emit('error', err) - } - } - - if (typeof obj === 'string') { - self._type = obj - // Need to create a new sourceBuffer - if (self._mediaSource.readyState === 'open') { - self._createSourceBuffer() - } else { - self._mediaSource.addEventListener('sourceopen', self._openHandler) - } - } else if (obj._sourceBuffer === null) { - obj.destroy() - self._type = obj._type // The old stream was created but hasn't finished initializing - self._mediaSource.addEventListener('sourceopen', self._openHandler) - } else if (obj._sourceBuffer) { - obj.destroy() - self._type = obj._type - self._sourceBuffer = obj._sourceBuffer // Copy over the old sourceBuffer - self._debugBuffers = obj._debugBuffers // Copy over previous debug data - self._sourceBuffer.addEventListener('updateend', self._flowHandler) - self._sourceBuffer.addEventListener('error', self._errorHandler) - } else { - throw new Error('The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function') - } - - self._elem.addEventListener('timeupdate', self._flowHandler) - - self.on('error', function (err) { - self._wrapper.error(err) - }) - - self.on('finish', function () { - if (self.destroyed) return - self._finished = true - if (self._allStreams.every(function (other) { return other._finished })) { - self._wrapper._dumpDebugData() - try { - self._mediaSource.endOfStream() - } catch (err) {} - } - }) -} - -MediaSourceStream.prototype._onSourceOpen = function () { - var self = this - if (self.destroyed) return - - self._mediaSource.removeEventListener('sourceopen', self._openHandler) - self._createSourceBuffer() -} - -MediaSourceStream.prototype.destroy = function (err) { - var self = this - if (self.destroyed) return - self.destroyed = true - - // Remove from allStreams - self._allStreams.splice(self._allStreams.indexOf(self), 1) - - self._mediaSource.removeEventListener('sourceopen', self._openHandler) - self._elem.removeEventListener('timeupdate', self._flowHandler) - if (self._sourceBuffer) { - self._sourceBuffer.removeEventListener('updateend', self._flowHandler) - self._sourceBuffer.removeEventListener('error', self._errorHandler) - if (self._mediaSource.readyState === 'open') { - self._sourceBuffer.abort() - } - } - - if (err) self.emit('error', err) - self.emit('close') -} - -MediaSourceStream.prototype._createSourceBuffer = function () { - var self = this - if (self.destroyed) return - - if (MediaSource.isTypeSupported(self._type)) { - self._sourceBuffer = self._mediaSource.addSourceBuffer(self._type) - self._sourceBuffer.addEventListener('updateend', self._flowHandler) - self._sourceBuffer.addEventListener('error', self._errorHandler) - if (self._cb) { - var cb = self._cb - self._cb = null - cb() - } - } else { - self.destroy(new Error('The provided type is not supported')) - } -} - -MediaSourceStream.prototype._write = function (chunk, encoding, cb) { - var self = this - if (self.destroyed) return - if (!self._sourceBuffer) { - self._cb = function (err) { - if (err) return cb(err) - self._write(chunk, encoding, cb) - } - return - } - - if (self._sourceBuffer.updating) { - return cb(new Error('Cannot append buffer while source buffer updating')) - } - - var arr = toArrayBuffer(chunk) - if (self._wrapper._debug) { - self._debugBuffers.push(arr) - } - - try { - self._sourceBuffer.appendBuffer(arr) - } catch (err) { - // appendBuffer can throw for a number of reasons, most notably when the data - // being appended is invalid or if appendBuffer is called after another error - // already occurred on the media element. In Chrome, there may be useful debugging - // info in chrome://media-internals - self.destroy(err) - return - } - self._cb = cb -} - -MediaSourceStream.prototype._flow = function () { - var self = this - - if (self.destroyed || !self._sourceBuffer || self._sourceBuffer.updating) { - return - } - - if (self._mediaSource.readyState === 'open') { - // check buffer size - if (self._getBufferDuration() > self._bufferDuration) { - return - } - } - - if (self._cb) { - var cb = self._cb - self._cb = null - cb() - } -} - -// TODO: if zero actually works in all browsers, remove the logic associated with this below -var EPSILON = 0 - -MediaSourceStream.prototype._getBufferDuration = function () { - var self = this - - var buffered = self._sourceBuffer.buffered - var currentTime = self._elem.currentTime - var bufferEnd = -1 // end of the buffer - // This is a little over complex because some browsers seem to separate the - // buffered region into multiple sections with slight gaps. - for (var i = 0; i < buffered.length; i++) { - var start = buffered.start(i) - var end = buffered.end(i) + EPSILON - - if (start > currentTime) { - // Reached past the joined buffer - break - } else if (bufferEnd >= 0 || currentTime <= end) { - // Found the start/continuation of the joined buffer - bufferEnd = end - } - } - - var bufferedTime = bufferEnd - currentTime - if (bufferedTime < 0) { - bufferedTime = 0 - } - - return bufferedTime -} - -function downloadBuffers (bufs, name) { - var a = document.createElement('a') - a.href = window.URL.createObjectURL(new window.Blob(bufs)) - a.download = name - a.click() -} - -},{"inherits":229,"readable-stream":257,"to-arraybuffer":452}],243:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],244:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":246,"./_stream_writable":248,"_process":309,"dup":29,"inherits":229}],245:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":247,"dup":30,"inherits":229}],246:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":243,"./_stream_duplex":244,"./internal/streams/async_iterator":249,"./internal/streams/buffer_list":250,"./internal/streams/destroy":251,"./internal/streams/from":253,"./internal/streams/state":255,"./internal/streams/stream":256,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],247:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":243,"./_stream_duplex":244,"dup":32,"inherits":229}],248:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":243,"./_stream_duplex":244,"./internal/streams/destroy":251,"./internal/streams/state":255,"./internal/streams/stream":256,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],249:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":252,"_process":309,"dup":34}],250:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],251:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],252:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":243,"dup":37}],253:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],254:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":243,"./end-of-stream":252,"dup":39}],255:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":243,"dup":40}],256:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],257:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":244,"./lib/_stream_passthrough.js":245,"./lib/_stream_readable.js":246,"./lib/_stream_transform.js":247,"./lib/_stream_writable.js":248,"./lib/internal/streams/end-of-stream.js":252,"./lib/internal/streams/pipeline.js":254,"dup":42}],258:[function(require,module,exports){ -module.exports = Storage - -const queueMicrotask = require('queue-microtask') - -function Storage (chunkLength, opts) { - if (!(this instanceof Storage)) return new Storage(chunkLength, opts) - if (!opts) opts = {} - - this.chunkLength = Number(chunkLength) - if (!this.chunkLength) throw new Error('First argument must be a chunk length') - - this.chunks = [] - this.closed = false - this.length = Number(opts.length) || Infinity - - if (this.length !== Infinity) { - this.lastChunkLength = (this.length % this.chunkLength) || this.chunkLength - this.lastChunkIndex = Math.ceil(this.length / this.chunkLength) - 1 - } -} - -Storage.prototype.put = function (index, buf, cb = () => {}) { - if (this.closed) return queueMicrotask(() => cb(new Error('Storage is closed'))) - - const isLastChunk = (index === this.lastChunkIndex) - if (isLastChunk && buf.length !== this.lastChunkLength) { - return queueMicrotask(() => cb(new Error('Last chunk length must be ' + this.lastChunkLength))) - } - if (!isLastChunk && buf.length !== this.chunkLength) { - return queueMicrotask(() => cb(new Error('Chunk length must be ' + this.chunkLength))) - } - this.chunks[index] = buf - queueMicrotask(() => cb(null)) -} - -Storage.prototype.get = function (index, opts, cb = () => {}) { - if (typeof opts === 'function') return this.get(index, null, opts) - if (this.closed) return queueMicrotask(() => cb(new Error('Storage is closed'))) - - let buf = this.chunks[index] - - if (!buf) { - const err = new Error('Chunk not found') - err.notFound = true - return queueMicrotask(() => cb(err)) - } - - if (!opts) opts = {} - - const offset = opts.offset || 0 - const len = opts.length || (buf.length - offset) - - if (offset !== 0 || len !== buf.length) { - buf = buf.slice(offset, len + offset) - } - - queueMicrotask(() => cb(null, buf)) -} - -Storage.prototype.close = Storage.prototype.destroy = function (cb = () => {}) { - if (this.closed) return queueMicrotask(() => cb(new Error('Storage is closed'))) - this.closed = true - this.chunks = null - queueMicrotask(() => cb(null)) -} - -},{"queue-microtask":327}],259:[function(require,module,exports){ -var bn = require('bn.js'); -var brorand = require('brorand'); - -function MillerRabin(rand) { - this.rand = rand || new brorand.Rand(); -} -module.exports = MillerRabin; - -MillerRabin.create = function create(rand) { - return new MillerRabin(rand); -}; - -MillerRabin.prototype._randbelow = function _randbelow(n) { - var len = n.bitLength(); - var min_bytes = Math.ceil(len / 8); - - // Generage random bytes until a number less than n is found. - // This ensures that 0..n-1 have an equal probability of being selected. - do - var a = new bn(this.rand.generate(min_bytes)); - while (a.cmp(n) >= 0); - - return a; -}; - -MillerRabin.prototype._randrange = function _randrange(start, stop) { - // Generate a random number greater than or equal to start and less than stop. - var size = stop.sub(start); - return start.add(this._randbelow(size)); -}; - -MillerRabin.prototype.test = function test(n, k, cb) { - var len = n.bitLength(); - var red = bn.mont(n); - var rone = new bn(1).toRed(red); - - if (!k) - k = Math.max(1, (len / 48) | 0); - - // Find d and s, (n - 1) = (2 ^ s) * d; - var n1 = n.subn(1); - for (var s = 0; !n1.testn(s); s++) {} - var d = n.shrn(s); - - var rn1 = n1.toRed(red); - - var prime = true; - for (; k > 0; k--) { - var a = this._randrange(new bn(2), n1); - if (cb) - cb(a); - - var x = a.toRed(red).redPow(d); - if (x.cmp(rone) === 0 || x.cmp(rn1) === 0) - continue; - - for (var i = 1; i < s; i++) { - x = x.redSqr(); - - if (x.cmp(rone) === 0) - return false; - if (x.cmp(rn1) === 0) - break; - } - - if (i === s) - return false; - } - - return prime; -}; - -MillerRabin.prototype.getDivisor = function getDivisor(n, k) { - var len = n.bitLength(); - var red = bn.mont(n); - var rone = new bn(1).toRed(red); - - if (!k) - k = Math.max(1, (len / 48) | 0); - - // Find d and s, (n - 1) = (2 ^ s) * d; - var n1 = n.subn(1); - for (var s = 0; !n1.testn(s); s++) {} - var d = n.shrn(s); - - var rn1 = n1.toRed(red); - - for (; k > 0; k--) { - var a = this._randrange(new bn(2), n1); - - var g = n.gcd(a); - if (g.cmpn(1) !== 0) - return g; - - var x = a.toRed(red).redPow(d); - if (x.cmp(rone) === 0 || x.cmp(rn1) === 0) - continue; - - for (var i = 1; i < s; i++) { - x = x.redSqr(); - - if (x.cmp(rone) === 0) - return x.fromRed().subn(1).gcd(n); - if (x.cmp(rn1) === 0) - break; - } - - if (i === s) { - x = x.redSqr(); - return x.fromRed().subn(1).gcd(n); - } - } - - return false; -}; - -},{"bn.js":260,"brorand":66}],260:[function(require,module,exports){ -arguments[4][17][0].apply(exports,arguments) -},{"buffer":67,"dup":17}],261:[function(require,module,exports){ -module.exports={ - "application/1d-interleaved-parityfec": { - "source": "iana" - }, - "application/3gpdash-qoe-report+xml": { - "source": "iana", - "charset": "UTF-8", - "compressible": true - }, - "application/3gpp-ims+xml": { - "source": "iana", - "compressible": true - }, - "application/3gpphal+json": { - "source": "iana", - "compressible": true - }, - "application/3gpphalforms+json": { - "source": "iana", - "compressible": true - }, - "application/a2l": { - "source": "iana" - }, - "application/ace+cbor": { - "source": "iana" - }, - "application/activemessage": { - "source": "iana" - }, - "application/activity+json": { - "source": "iana", - "compressible": true - }, - "application/alto-costmap+json": { - "source": "iana", - "compressible": true - }, - "application/alto-costmapfilter+json": { - "source": "iana", - "compressible": true - }, - "application/alto-directory+json": { - "source": "iana", - "compressible": true - }, - "application/alto-endpointcost+json": { - "source": "iana", - "compressible": true - }, - "application/alto-endpointcostparams+json": { - "source": "iana", - "compressible": true - }, - "application/alto-endpointprop+json": { - "source": "iana", - "compressible": true - }, - "application/alto-endpointpropparams+json": { - "source": "iana", - "compressible": true - }, - "application/alto-error+json": { - "source": "iana", - "compressible": true - }, - "application/alto-networkmap+json": { - "source": "iana", - "compressible": true - }, - "application/alto-networkmapfilter+json": { - "source": "iana", - "compressible": true - }, - "application/alto-updatestreamcontrol+json": { - "source": "iana", - "compressible": true - }, - "application/alto-updatestreamparams+json": { - "source": "iana", - "compressible": true - }, - "application/aml": { - "source": "iana" - }, - "application/andrew-inset": { - "source": "iana", - "extensions": ["ez"] - }, - "application/applefile": { - "source": "iana" - }, - "application/applixware": { - "source": "apache", - "extensions": ["aw"] - }, - "application/at+jwt": { - "source": "iana" - }, - "application/atf": { - "source": "iana" - }, - "application/atfx": { - "source": "iana" - }, - "application/atom+xml": { - "source": "iana", - "compressible": true, - "extensions": ["atom"] - }, - "application/atomcat+xml": { - "source": "iana", - "compressible": true, - "extensions": ["atomcat"] - }, - "application/atomdeleted+xml": { - "source": "iana", - "compressible": true, - "extensions": ["atomdeleted"] - }, - "application/atomicmail": { - "source": "iana" - }, - "application/atomsvc+xml": { - "source": "iana", - "compressible": true, - "extensions": ["atomsvc"] - }, - "application/atsc-dwd+xml": { - "source": "iana", - "compressible": true, - "extensions": ["dwd"] - }, - "application/atsc-dynamic-event-message": { - "source": "iana" - }, - "application/atsc-held+xml": { - "source": "iana", - "compressible": true, - "extensions": ["held"] - }, - "application/atsc-rdt+json": { - "source": "iana", - "compressible": true - }, - "application/atsc-rsat+xml": { - "source": "iana", - "compressible": true, - "extensions": ["rsat"] - }, - "application/atxml": { - "source": "iana" - }, - "application/auth-policy+xml": { - "source": "iana", - "compressible": true - }, - "application/bacnet-xdd+zip": { - "source": "iana", - "compressible": false - }, - "application/batch-smtp": { - "source": "iana" - }, - "application/bdoc": { - "compressible": false, - "extensions": ["bdoc"] - }, - "application/beep+xml": { - "source": "iana", - "charset": "UTF-8", - "compressible": true - }, - "application/calendar+json": { - "source": "iana", - "compressible": true - }, - "application/calendar+xml": { - "source": "iana", - "compressible": true, - "extensions": ["xcs"] - }, - "application/call-completion": { - "source": "iana" - }, - "application/cals-1840": { - "source": "iana" - }, - "application/captive+json": { - "source": "iana", - "compressible": true - }, - "application/cbor": { - "source": "iana" - }, - "application/cbor-seq": { - "source": "iana" - }, - "application/cccex": { - "source": "iana" - }, - "application/ccmp+xml": { - "source": "iana", - "compressible": true - }, - "application/ccxml+xml": { - "source": "iana", - "compressible": true, - "extensions": ["ccxml"] - }, - "application/cdfx+xml": { - "source": "iana", - "compressible": true, - "extensions": ["cdfx"] - }, - "application/cdmi-capability": { - "source": "iana", - "extensions": ["cdmia"] - }, - "application/cdmi-container": { - "source": "iana", - "extensions": ["cdmic"] - }, - "application/cdmi-domain": { - "source": "iana", - "extensions": ["cdmid"] - }, - "application/cdmi-object": { - "source": "iana", - "extensions": ["cdmio"] - }, - "application/cdmi-queue": { - "source": "iana", - "extensions": ["cdmiq"] - }, - "application/cdni": { - "source": "iana" - }, - "application/cea": { - "source": "iana" - }, - "application/cea-2018+xml": { - "source": "iana", - "compressible": true - }, - "application/cellml+xml": { - "source": "iana", - "compressible": true - }, - "application/cfw": { - "source": "iana" - }, - "application/city+json": { - "source": "iana", - "compressible": true - }, - "application/clr": { - "source": "iana" - }, - "application/clue+xml": { - "source": "iana", - "compressible": true - }, - "application/clue_info+xml": { - "source": "iana", - "compressible": true - }, - "application/cms": { - "source": "iana" - }, - "application/cnrp+xml": { - "source": "iana", - "compressible": true - }, - "application/coap-group+json": { - "source": "iana", - "compressible": true - }, - "application/coap-payload": { - "source": "iana" - }, - "application/commonground": { - "source": "iana" - }, - "application/conference-info+xml": { - "source": "iana", - "compressible": true - }, - "application/cose": { - "source": "iana" - }, - "application/cose-key": { - "source": "iana" - }, - "application/cose-key-set": { - "source": "iana" - }, - "application/cpl+xml": { - "source": "iana", - "compressible": true, - "extensions": ["cpl"] - }, - "application/csrattrs": { - "source": "iana" - }, - "application/csta+xml": { - "source": "iana", - "compressible": true - }, - "application/cstadata+xml": { - "source": "iana", - "compressible": true - }, - "application/csvm+json": { - "source": "iana", - "compressible": true - }, - "application/cu-seeme": { - "source": "apache", - "extensions": ["cu"] - }, - "application/cwt": { - "source": "iana" - }, - "application/cybercash": { - "source": "iana" - }, - "application/dart": { - "compressible": true - }, - "application/dash+xml": { - "source": "iana", - "compressible": true, - "extensions": ["mpd"] - }, - "application/dash-patch+xml": { - "source": "iana", - "compressible": true, - "extensions": ["mpp"] - }, - "application/dashdelta": { - "source": "iana" - }, - "application/davmount+xml": { - "source": "iana", - "compressible": true, - "extensions": ["davmount"] - }, - "application/dca-rft": { - "source": "iana" - }, - "application/dcd": { - "source": "iana" - }, - "application/dec-dx": { - "source": "iana" - }, - "application/dialog-info+xml": { - "source": "iana", - "compressible": true - }, - "application/dicom": { - "source": "iana" - }, - "application/dicom+json": { - "source": "iana", - "compressible": true - }, - "application/dicom+xml": { - "source": "iana", - "compressible": true - }, - "application/dii": { - "source": "iana" - }, - "application/dit": { - 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"source": "iana" - }, - "video/vnd.radgamettools.smacker": { - "source": "iana" - }, - "video/vnd.sealed.mpeg1": { - "source": "iana" - }, - "video/vnd.sealed.mpeg4": { - "source": "iana" - }, - "video/vnd.sealed.swf": { - "source": "iana" - }, - "video/vnd.sealedmedia.softseal.mov": { - "source": "iana" - }, - "video/vnd.uvvu.mp4": { - "source": "iana", - "extensions": ["uvu","uvvu"] - }, - "video/vnd.vivo": { - "source": "iana", - "extensions": ["viv"] - }, - "video/vnd.youtube.yt": { - "source": "iana" - }, - "video/vp8": { - "source": "iana" - }, - "video/vp9": { - "source": "iana" - }, - "video/webm": { - "source": "apache", - "compressible": false, - "extensions": ["webm"] - }, - "video/x-f4v": { - "source": "apache", - "extensions": ["f4v"] - }, - "video/x-fli": { - "source": "apache", - "extensions": ["fli"] - }, - "video/x-flv": { - "source": "apache", - "compressible": false, - "extensions": ["flv"] - }, - "video/x-m4v": { - "source": "apache", - "extensions": ["m4v"] - }, - "video/x-matroska": { - "source": "apache", - "compressible": false, - "extensions": ["mkv","mk3d","mks"] - }, - "video/x-mng": { - "source": "apache", - "extensions": ["mng"] - }, - "video/x-ms-asf": { - "source": "apache", - "extensions": ["asf","asx"] - }, - "video/x-ms-vob": { - "source": "apache", - "extensions": ["vob"] - }, - "video/x-ms-wm": { - "source": "apache", - "extensions": ["wm"] - }, - "video/x-ms-wmv": { - "source": "apache", - "compressible": false, - "extensions": ["wmv"] - }, - "video/x-ms-wmx": { - "source": "apache", - "extensions": ["wmx"] - }, - "video/x-ms-wvx": { - "source": "apache", - "extensions": ["wvx"] - }, - "video/x-msvideo": { - "source": "apache", - "extensions": ["avi"] - }, - "video/x-sgi-movie": { - "source": "apache", - "extensions": ["movie"] - }, - "video/x-smv": { - "source": "apache", - "extensions": ["smv"] - }, - "x-conference/x-cooltalk": { - "source": "apache", - "extensions": ["ice"] - }, - "x-shader/x-fragment": { - "compressible": true - }, - "x-shader/x-vertex": { - "compressible": true - } -} - -},{}],262:[function(require,module,exports){ -/*! - * mime-db - * Copyright(c) 2014 Jonathan Ong - * Copyright(c) 2015-2022 Douglas Christopher Wilson - * MIT Licensed - */ - -/** - * Module exports. - */ - -module.exports = require('./db.json') - -},{"./db.json":261}],263:[function(require,module,exports){ -/*! - * mime-types - * Copyright(c) 2014 Jonathan Ong - * Copyright(c) 2015 Douglas Christopher Wilson - * MIT Licensed - */ - -'use strict' - -/** - * Module dependencies. - * @private - */ - -var db = require('mime-db') -var extname = require('path').extname - -/** - * Module variables. - * @private - */ - -var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/ -var TEXT_TYPE_REGEXP = /^text\//i - -/** - * Module exports. - * @public - */ - -exports.charset = charset -exports.charsets = { lookup: charset } -exports.contentType = contentType -exports.extension = extension -exports.extensions = Object.create(null) -exports.lookup = lookup -exports.types = Object.create(null) - -// Populate the extensions/types maps -populateMaps(exports.extensions, exports.types) - -/** - * Get the default charset for a MIME type. - * - * @param {string} type - * @return {boolean|string} - */ - -function charset (type) { - if (!type || typeof type !== 'string') { - return false - } - - // TODO: use media-typer - var match = EXTRACT_TYPE_REGEXP.exec(type) - var mime = match && db[match[1].toLowerCase()] - - if (mime && mime.charset) { - return mime.charset - } - - // default text/* to utf-8 - if (match && TEXT_TYPE_REGEXP.test(match[1])) { - return 'UTF-8' - } - - return false -} - -/** - * Create a full Content-Type header given a MIME type or extension. - * - * @param {string} str - * @return {boolean|string} - */ - -function contentType (str) { - // TODO: should this even be in this module? - if (!str || typeof str !== 'string') { - return false - } - - var mime = str.indexOf('/') === -1 - ? exports.lookup(str) - : str - - if (!mime) { - return false - } - - // TODO: use content-type or other module - if (mime.indexOf('charset') === -1) { - var charset = exports.charset(mime) - if (charset) mime += '; charset=' + charset.toLowerCase() - } - - return mime -} - -/** - * Get the default extension for a MIME type. - * - * @param {string} type - * @return {boolean|string} - */ - -function extension (type) { - if (!type || typeof type !== 'string') { - return false - } - - // TODO: use media-typer - var match = EXTRACT_TYPE_REGEXP.exec(type) - - // get extensions - var exts = match && exports.extensions[match[1].toLowerCase()] - - if (!exts || !exts.length) { - return false - } - - return exts[0] -} - -/** - * Lookup the MIME type for a file path/extension. - * - * @param {string} path - * @return {boolean|string} - */ - -function lookup (path) { - if (!path || typeof path !== 'string') { - return false - } - - // get the extension ("ext" or ".ext" or full path) - var extension = extname('x.' + path) - .toLowerCase() - .substr(1) - - if (!extension) { - return false - } - - return exports.types[extension] || false -} - -/** - * Populate the extensions and types maps. - * @private - */ - -function populateMaps (extensions, types) { - // source preference (least -> most) - var preference = ['nginx', 'apache', undefined, 'iana'] - - Object.keys(db).forEach(function forEachMimeType (type) { - var mime = db[type] - var exts = mime.extensions - - if (!exts || !exts.length) { - return - } - - // mime -> extensions - extensions[type] = exts - - // extension -> mime - for (var i = 0; i < exts.length; i++) { - var extension = exts[i] - - if (types[extension]) { - var from = preference.indexOf(db[types[extension]].source) - var to = preference.indexOf(mime.source) - - if (types[extension] !== 'application/octet-stream' && - (from > to || (from === to && types[extension].substr(0, 12) === 'application/'))) { - // skip the remapping - continue - } - } - - // set the extension -> mime - types[extension] = type - } - }) -} - -},{"mime-db":262,"path":301}],264:[function(require,module,exports){ -'use strict'; - -/** - * @param typeMap [Object] Map of MIME type -> Array[extensions] - * @param ... - */ -function Mime() { - this._types = Object.create(null); - this._extensions = Object.create(null); - - for (let i = 0; i < arguments.length; i++) { - this.define(arguments[i]); - } - - this.define = this.define.bind(this); - this.getType = this.getType.bind(this); - this.getExtension = this.getExtension.bind(this); -} - -/** - * Define mimetype -> extension mappings. Each key is a mime-type that maps - * to an array of extensions associated with the type. The first extension is - * used as the default extension for the type. - * - * e.g. mime.define({'audio/ogg', ['oga', 'ogg', 'spx']}); - * - * If a type declares an extension that has already been defined, an error will - * be thrown. To suppress this error and force the extension to be associated - * with the new type, pass `force`=true. Alternatively, you may prefix the - * extension with "*" to map the type to extension, without mapping the - * extension to the type. - * - * e.g. mime.define({'audio/wav', ['wav']}, {'audio/x-wav', ['*wav']}); - * - * - * @param map (Object) type definitions - * @param force (Boolean) if true, force overriding of existing definitions - */ -Mime.prototype.define = function(typeMap, force) { - for (let type in typeMap) { - let extensions = typeMap[type].map(function(t) { - return t.toLowerCase(); - }); - type = type.toLowerCase(); - - for (let i = 0; i < extensions.length; i++) { - const ext = extensions[i]; - - // '*' prefix = not the preferred type for this extension. So fixup the - // extension, and skip it. - if (ext[0] === '*') { - continue; - } - - if (!force && (ext in this._types)) { - throw new Error( - 'Attempt to change mapping for "' + ext + - '" extension from "' + this._types[ext] + '" to "' + type + - '". Pass `force=true` to allow this, otherwise remove "' + ext + - '" from the list of extensions for "' + type + '".' - ); - } - - this._types[ext] = type; - } - - // Use first extension as default - if (force || !this._extensions[type]) { - const ext = extensions[0]; - this._extensions[type] = (ext[0] !== '*') ? ext : ext.substr(1); - } - } -}; - -/** - * Lookup a mime type based on extension - */ -Mime.prototype.getType = function(path) { - path = String(path); - let last = path.replace(/^.*[/\\]/, '').toLowerCase(); - let ext = last.replace(/^.*\./, '').toLowerCase(); - - let hasPath = last.length < path.length; - let hasDot = ext.length < last.length - 1; - - return (hasDot || !hasPath) && this._types[ext] || null; -}; - -/** - * Return file extension associated with a mime type - */ -Mime.prototype.getExtension = function(type) { - type = /^\s*([^;\s]*)/.test(type) && RegExp.$1; - return type && this._extensions[type.toLowerCase()] || null; -}; - -module.exports = Mime; - -},{}],265:[function(require,module,exports){ -'use strict'; - -let Mime = require('./Mime'); -module.exports = new Mime(require('./types/standard'), require('./types/other')); - -},{"./Mime":264,"./types/other":266,"./types/standard":267}],266:[function(require,module,exports){ -module.exports = 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-},{}],268:[function(require,module,exports){ -module.exports = assert; - -function assert(val, msg) { - if (!val) - throw new Error(msg || 'Assertion failed'); -} - -assert.equal = function assertEqual(l, r, msg) { - if (l != r) - throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r)); -}; - -},{}],269:[function(require,module,exports){ -'use strict'; - -var utils = exports; - -function toArray(msg, enc) { - if (Array.isArray(msg)) - return msg.slice(); - if (!msg) - return []; - var res = []; - if (typeof msg !== 'string') { - for (var i = 0; i < msg.length; i++) - res[i] = msg[i] | 0; - return res; - } - if (enc === 'hex') { - msg = msg.replace(/[^a-z0-9]+/ig, ''); - if (msg.length % 2 !== 0) - msg = '0' + msg; - for (var i = 0; i < msg.length; i += 2) - res.push(parseInt(msg[i] + msg[i + 1], 16)); - } else { - for (var i = 0; i < msg.length; i++) { - var c = msg.charCodeAt(i); - var hi = c >> 8; - var lo = c & 0xff; - if (hi) - res.push(hi, lo); - else - res.push(lo); - } - } - return res; -} -utils.toArray = toArray; - -function zero2(word) { - if (word.length === 1) - return '0' + word; - else - return word; -} -utils.zero2 = zero2; - -function toHex(msg) { - var res = ''; - for (var i = 0; i < msg.length; i++) - res += zero2(msg[i].toString(16)); - return res; -} -utils.toHex = toHex; - -utils.encode = function encode(arr, enc) { - if (enc === 'hex') - return toHex(arr); - else - return arr; -}; - -},{}],270:[function(require,module,exports){ -(function (Buffer){(function (){ -// This is an intentionally recursive require. I don't like it either. -var Box = require('./index') -var Descriptor = require('./descriptor') -var uint64be = require('uint64be') - -var TIME_OFFSET = 2082844800000 - -/* -TODO: -test these -add new box versions -*/ - -// These have 'version' and 'flags' fields in the headers -exports.fullBoxes = {} -var fullBoxes = [ - 'mvhd', - 'tkhd', - 'mdhd', - 'vmhd', - 'smhd', - 'stsd', - 'esds', - 'stsz', - 'stco', - 'co64', - 'stss', - 'stts', - 'ctts', - 'stsc', - 'dref', - 'elst', - 'hdlr', - 'mehd', - 'trex', - 'mfhd', - 'tfhd', - 'tfdt', - 'trun' -] -fullBoxes.forEach(function (type) { - exports.fullBoxes[type] = true -}) - -exports.ftyp = {} -exports.ftyp.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.ftyp.encodingLength(box)) - var brands = box.compatibleBrands || [] - buf.write(box.brand, 0, 4, 'ascii') - buf.writeUInt32BE(box.brandVersion, 4) - for (var i = 0; i < brands.length; i++) buf.write(brands[i], 8 + (i * 4), 4, 'ascii') - exports.ftyp.encode.bytes = 8 + brands.length * 4 - return buf -} -exports.ftyp.decode = function (buf, offset) { - buf = buf.slice(offset) - var brand = buf.toString('ascii', 0, 4) - var version = buf.readUInt32BE(4) - var compatibleBrands = [] - for (var i = 8; i < buf.length; i += 4) compatibleBrands.push(buf.toString('ascii', i, i + 4)) - return { - brand: brand, - brandVersion: version, - compatibleBrands: compatibleBrands - } -} -exports.ftyp.encodingLength = function (box) { - return 8 + (box.compatibleBrands || []).length * 4 -} - -exports.mvhd = {} -exports.mvhd.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(96) - writeDate(box.ctime || new Date(), buf, 0) - writeDate(box.mtime || new Date(), buf, 4) - buf.writeUInt32BE(box.timeScale || 0, 8) - buf.writeUInt32BE(box.duration || 0, 12) - writeFixed32(box.preferredRate || 0, buf, 16) - writeFixed16(box.preferredVolume || 0, buf, 20) - writeReserved(buf, 22, 32) - writeMatrix(box.matrix, buf, 32) - buf.writeUInt32BE(box.previewTime || 0, 68) - buf.writeUInt32BE(box.previewDuration || 0, 72) - buf.writeUInt32BE(box.posterTime || 0, 76) - buf.writeUInt32BE(box.selectionTime || 0, 80) - buf.writeUInt32BE(box.selectionDuration || 0, 84) - buf.writeUInt32BE(box.currentTime || 0, 88) - buf.writeUInt32BE(box.nextTrackId || 0, 92) - exports.mvhd.encode.bytes = 96 - return buf -} -exports.mvhd.decode = function (buf, offset) { - buf = buf.slice(offset) - return { - ctime: readDate(buf, 0), - mtime: readDate(buf, 4), - timeScale: buf.readUInt32BE(8), - duration: buf.readUInt32BE(12), - preferredRate: readFixed32(buf, 16), - preferredVolume: readFixed16(buf, 20), - matrix: readMatrix(buf.slice(32, 68)), - previewTime: buf.readUInt32BE(68), - previewDuration: buf.readUInt32BE(72), - posterTime: buf.readUInt32BE(76), - selectionTime: buf.readUInt32BE(80), - selectionDuration: buf.readUInt32BE(84), - currentTime: buf.readUInt32BE(88), - nextTrackId: buf.readUInt32BE(92) - } -} -exports.mvhd.encodingLength = function (box) { - return 96 -} - -exports.tkhd = {} -exports.tkhd.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(80) - writeDate(box.ctime || new Date(), buf, 0) - writeDate(box.mtime || new Date(), buf, 4) - buf.writeUInt32BE(box.trackId || 0, 8) - writeReserved(buf, 12, 16) - buf.writeUInt32BE(box.duration || 0, 16) - writeReserved(buf, 20, 28) - buf.writeUInt16BE(box.layer || 0, 28) - buf.writeUInt16BE(box.alternateGroup || 0, 30) - buf.writeUInt16BE(box.volume || 0, 32) - writeMatrix(box.matrix, buf, 36) - buf.writeUInt32BE(box.trackWidth || 0, 72) - buf.writeUInt32BE(box.trackHeight || 0, 76) - exports.tkhd.encode.bytes = 80 - return buf -} -exports.tkhd.decode = function (buf, offset) { - buf = buf.slice(offset) - return { - ctime: readDate(buf, 0), - mtime: readDate(buf, 4), - trackId: buf.readUInt32BE(8), - duration: buf.readUInt32BE(16), - layer: buf.readUInt16BE(28), - alternateGroup: buf.readUInt16BE(30), - volume: buf.readUInt16BE(32), - matrix: readMatrix(buf.slice(36, 72)), - trackWidth: buf.readUInt32BE(72), - trackHeight: buf.readUInt32BE(76) - } -} -exports.tkhd.encodingLength = function (box) { - return 80 -} - -exports.mdhd = {} -exports.mdhd.encode = function (box, buf, offset) { - if (box.version === 1) { - buf = buf ? buf.slice(offset) : Buffer.alloc(32) - writeDate64(box.ctime || new Date(), buf, 0) - writeDate64(box.mtime || new Date(), buf, 8) - buf.writeUInt32BE(box.timeScale || 0, 16) - // Node only supports integer <= 48bit. Waiting for BigInt! - buf.writeUIntBE(box.duration || 0, 20, 6) - buf.writeUInt16BE(box.language || 0, 28) - buf.writeUInt16BE(box.quality || 0, 30) - exports.mdhd.encode.bytes = 32 - return buf - } - - buf = buf ? buf.slice(offset) : Buffer.alloc(20) - writeDate(box.ctime || new Date(), buf, 0) - writeDate(box.mtime || new Date(), buf, 4) - buf.writeUInt32BE(box.timeScale || 0, 8) - buf.writeUInt32BE(box.duration || 0, 12) - buf.writeUInt16BE(box.language || 0, 16) - buf.writeUInt16BE(box.quality || 0, 18) - exports.mdhd.encode.bytes = 20 - return buf -} - -exports.mdhd.decode = function (buf, offset, end) { - buf = buf.slice(offset) - - var version1 = (end - offset) !== 20 - - // In version 1 creation time and modification time are unsigned long - if (version1) { - return { - ctime: readDate64(buf, 0), - mtime: readDate64(buf, 8), - timeScale: buf.readUInt32BE(16), - // Node only supports integer <= 48bit. Waiting for BigInt! - duration: buf.readUIntBE(20, 6), - language: buf.readUInt16BE(28), - quality: buf.readUInt16BE(30) - } - } - - return { - ctime: readDate(buf, 0), - mtime: readDate(buf, 4), - timeScale: buf.readUInt32BE(8), - duration: buf.readUInt32BE(12), - language: buf.readUInt16BE(16), - quality: buf.readUInt16BE(18) - } -} -exports.mdhd.encodingLength = function (box) { - if (box.version === 1) return 32 - - return 20 -} - -exports.vmhd = {} -exports.vmhd.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(8) - buf.writeUInt16BE(box.graphicsMode || 0, 0) - var opcolor = box.opcolor || [0, 0, 0] - buf.writeUInt16BE(opcolor[0], 2) - buf.writeUInt16BE(opcolor[1], 4) - buf.writeUInt16BE(opcolor[2], 6) - exports.vmhd.encode.bytes = 8 - return buf -} -exports.vmhd.decode = function (buf, offset) { - buf = buf.slice(offset) - return { - graphicsMode: buf.readUInt16BE(0), - opcolor: [buf.readUInt16BE(2), buf.readUInt16BE(4), buf.readUInt16BE(6)] - } -} -exports.vmhd.encodingLength = function (box) { - return 8 -} - -exports.smhd = {} -exports.smhd.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(4) - buf.writeUInt16BE(box.balance || 0, 0) - writeReserved(buf, 2, 4) - exports.smhd.encode.bytes = 4 - return buf -} -exports.smhd.decode = function (buf, offset) { - buf = buf.slice(offset) - return { - balance: buf.readUInt16BE(0) - } -} -exports.smhd.encodingLength = function (box) { - return 4 -} - -exports.stsd = {} -exports.stsd.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.stsd.encodingLength(box)) - var entries = box.entries || [] - - buf.writeUInt32BE(entries.length, 0) - - var ptr = 4 - for (var i = 0; i < entries.length; i++) { - var entry = entries[i] - Box.encode(entry, buf, ptr) - ptr += Box.encode.bytes - } - - exports.stsd.encode.bytes = ptr - return buf -} -exports.stsd.decode = function (buf, offset, end) { - buf = buf.slice(offset) - var num = buf.readUInt32BE(0) - var entries = new Array(num) - var ptr = 4 - - for (var i = 0; i < num; i++) { - var entry = Box.decode(buf, ptr, end) - entries[i] = entry - ptr += entry.length - } - - return { - entries: entries - } -} -exports.stsd.encodingLength = function (box) { - var totalSize = 4 - if (!box.entries) return totalSize - for (var i = 0; i < box.entries.length; i++) { - totalSize += Box.encodingLength(box.entries[i]) - } - return totalSize -} - -exports.avc1 = exports.VisualSampleEntry = {} -exports.VisualSampleEntry.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.VisualSampleEntry.encodingLength(box)) - - writeReserved(buf, 0, 6) - buf.writeUInt16BE(box.dataReferenceIndex || 0, 6) - writeReserved(buf, 8, 24) - buf.writeUInt16BE(box.width || 0, 24) - buf.writeUInt16BE(box.height || 0, 26) - buf.writeUInt32BE(box.hResolution || 0x480000, 28) - buf.writeUInt32BE(box.vResolution || 0x480000, 32) - writeReserved(buf, 36, 40) - buf.writeUInt16BE(box.frameCount || 1, 40) - var compressorName = box.compressorName || '' - var nameLen = Math.min(compressorName.length, 31) - buf.writeUInt8(nameLen, 42) - buf.write(compressorName, 43, nameLen, 'utf8') - buf.writeUInt16BE(box.depth || 0x18, 74) - buf.writeInt16BE(-1, 76) - - var ptr = 78 - var children = box.children || [] - children.forEach(function (child) { - Box.encode(child, buf, ptr) - ptr += Box.encode.bytes - }) - exports.VisualSampleEntry.encode.bytes = ptr -} -exports.VisualSampleEntry.decode = function (buf, offset, end) { - buf = buf.slice(offset) - var length = end - offset - var nameLen = Math.min(buf.readUInt8(42), 31) - var box = { - dataReferenceIndex: buf.readUInt16BE(6), - width: buf.readUInt16BE(24), - height: buf.readUInt16BE(26), - hResolution: buf.readUInt32BE(28), - vResolution: buf.readUInt32BE(32), - frameCount: buf.readUInt16BE(40), - compressorName: buf.toString('utf8', 43, 43 + nameLen), - depth: buf.readUInt16BE(74), - children: [] - } - - var ptr = 78 - while (length - ptr >= 8) { - var child = Box.decode(buf, ptr, length) - box.children.push(child) - box[child.type] = child - ptr += child.length - } - - return box -} -exports.VisualSampleEntry.encodingLength = function (box) { - var len = 78 - var children = box.children || [] - children.forEach(function (child) { - len += Box.encodingLength(child) - }) - return len -} - -exports.avcC = {} -exports.avcC.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(box.buffer.length) - - box.buffer.copy(buf) - exports.avcC.encode.bytes = box.buffer.length -} -exports.avcC.decode = function (buf, offset, end) { - buf = buf.slice(offset, end) - - return { - mimeCodec: buf.toString('hex', 1, 4), - buffer: Buffer.from(buf) - } -} -exports.avcC.encodingLength = function (box) { - return box.buffer.length -} - -exports.mp4a = exports.AudioSampleEntry = {} -exports.AudioSampleEntry.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.AudioSampleEntry.encodingLength(box)) - - writeReserved(buf, 0, 6) - buf.writeUInt16BE(box.dataReferenceIndex || 0, 6) - writeReserved(buf, 8, 16) - buf.writeUInt16BE(box.channelCount || 2, 16) - buf.writeUInt16BE(box.sampleSize || 16, 18) - writeReserved(buf, 20, 24) - buf.writeUInt32BE(box.sampleRate || 0, 24) - - var ptr = 28 - var children = box.children || [] - children.forEach(function (child) { - Box.encode(child, buf, ptr) - ptr += Box.encode.bytes - }) - exports.AudioSampleEntry.encode.bytes = ptr -} -exports.AudioSampleEntry.decode = function (buf, offset, end) { - buf = buf.slice(offset, end) - var length = end - offset - var box = { - dataReferenceIndex: buf.readUInt16BE(6), - channelCount: buf.readUInt16BE(16), - sampleSize: buf.readUInt16BE(18), - sampleRate: buf.readUInt32BE(24), - children: [] - } - - var ptr = 28 - while (length - ptr >= 8) { - var child = Box.decode(buf, ptr, length) - box.children.push(child) - box[child.type] = child - ptr += child.length - } - - return box -} -exports.AudioSampleEntry.encodingLength = function (box) { - var len = 28 - var children = box.children || [] - children.forEach(function (child) { - len += Box.encodingLength(child) - }) - return len -} - -exports.esds = {} -exports.esds.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(box.buffer.length) - - box.buffer.copy(buf, 0) - exports.esds.encode.bytes = box.buffer.length -} -exports.esds.decode = function (buf, offset, end) { - buf = buf.slice(offset, end) - - var desc = Descriptor.Descriptor.decode(buf, 0, buf.length) - var esd = (desc.tagName === 'ESDescriptor') ? desc : {} - var dcd = esd.DecoderConfigDescriptor || {} - var oti = dcd.oti || 0 - var dsi = dcd.DecoderSpecificInfo - var audioConfig = dsi ? (dsi.buffer.readUInt8(0) & 0xf8) >> 3 : 0 - - var mimeCodec = null - if (oti) { - mimeCodec = oti.toString(16) - if (audioConfig) { - mimeCodec += '.' + audioConfig - } - } - - return { - mimeCodec: mimeCodec, - buffer: Buffer.from(buf.slice(0)) - } -} -exports.esds.encodingLength = function (box) { - return box.buffer.length -} - -// TODO: integrate the two versions in a saner way -exports.stsz = {} -exports.stsz.encode = function (box, buf, offset) { - var entries = box.entries || [] - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.stsz.encodingLength(box)) - - buf.writeUInt32BE(0, 0) - buf.writeUInt32BE(entries.length, 4) - - for (var i = 0; i < entries.length; i++) { - buf.writeUInt32BE(entries[i], i * 4 + 8) - } - - exports.stsz.encode.bytes = 8 + entries.length * 4 - return buf -} -exports.stsz.decode = function (buf, offset) { - buf = buf.slice(offset) - var size = buf.readUInt32BE(0) - var num = buf.readUInt32BE(4) - var entries = new Array(num) - - for (var i = 0; i < num; i++) { - if (size === 0) { - entries[i] = buf.readUInt32BE(i * 4 + 8) - } else { - entries[i] = size - } - } - - return { - entries: entries - } -} -exports.stsz.encodingLength = function (box) { - return 8 + box.entries.length * 4 -} - -exports.stss = -exports.stco = {} -exports.stco.encode = function (box, buf, offset) { - var entries = box.entries || [] - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.stco.encodingLength(box)) - - buf.writeUInt32BE(entries.length, 0) - - for (var i = 0; i < entries.length; i++) { - buf.writeUInt32BE(entries[i], i * 4 + 4) - } - - exports.stco.encode.bytes = 4 + entries.length * 4 - return buf -} -exports.stco.decode = function (buf, offset) { - buf = buf.slice(offset) - var num = buf.readUInt32BE(0) - var entries = new Array(num) - - for (var i = 0; i < num; i++) { - entries[i] = buf.readUInt32BE(i * 4 + 4) - } - - return { - entries: entries - } -} -exports.stco.encodingLength = function (box) { - return 4 + box.entries.length * 4 -} - -exports.co64 = {} -exports.co64.encode = function (box, buf, offset) { - var entries = box.entries || [] - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.co64.encodingLength(box)) - - buf.writeUInt32BE(entries.length, 0) - - for (var i = 0; i < entries.length; i++) { - uint64be.encode(entries[i], buf, i * 8 + 4) - } - - exports.co64.encode.bytes = 4 + entries.length * 8 - return buf -} -exports.co64.decode = function (buf, offset) { - buf = buf.slice(offset) - var num = buf.readUInt32BE(0) - var entries = new Array(num) - - for (var i = 0; i < num; i++) { - entries[i] = uint64be.decode(buf, i * 8 + 4) - } - - return { - entries: entries - } -} -exports.co64.encodingLength = function (box) { - return 4 + box.entries.length * 8 -} - -exports.stts = {} -exports.stts.encode = function (box, buf, offset) { - var entries = box.entries || [] - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.stts.encodingLength(box)) - - buf.writeUInt32BE(entries.length, 0) - - for (var i = 0; i < entries.length; i++) { - var ptr = i * 8 + 4 - buf.writeUInt32BE(entries[i].count || 0, ptr) - buf.writeUInt32BE(entries[i].duration || 0, ptr + 4) - } - - exports.stts.encode.bytes = 4 + box.entries.length * 8 - return buf -} -exports.stts.decode = function (buf, offset) { - buf = buf.slice(offset) - var num = buf.readUInt32BE(0) - var entries = new Array(num) - - for (var i = 0; i < num; i++) { - var ptr = i * 8 + 4 - entries[i] = { - count: buf.readUInt32BE(ptr), - duration: buf.readUInt32BE(ptr + 4) - } - } - - return { - entries: entries - } -} -exports.stts.encodingLength = function (box) { - return 4 + box.entries.length * 8 -} - -exports.ctts = {} -exports.ctts.encode = function (box, buf, offset) { - var entries = box.entries || [] - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.ctts.encodingLength(box)) - - buf.writeUInt32BE(entries.length, 0) - - for (var i = 0; i < entries.length; i++) { - var ptr = i * 8 + 4 - buf.writeUInt32BE(entries[i].count || 0, ptr) - buf.writeUInt32BE(entries[i].compositionOffset || 0, ptr + 4) - } - - exports.ctts.encode.bytes = 4 + entries.length * 8 - return buf -} -exports.ctts.decode = function (buf, offset) { - buf = buf.slice(offset) - var num = buf.readUInt32BE(0) - var entries = new Array(num) - - for (var i = 0; i < num; i++) { - var ptr = i * 8 + 4 - entries[i] = { - count: buf.readUInt32BE(ptr), - compositionOffset: buf.readInt32BE(ptr + 4) - } - } - - return { - entries: entries - } -} -exports.ctts.encodingLength = function (box) { - return 4 + box.entries.length * 8 -} - -exports.stsc = {} -exports.stsc.encode = function (box, buf, offset) { - var entries = box.entries || [] - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.stsc.encodingLength(box)) - - buf.writeUInt32BE(entries.length, 0) - - for (var i = 0; i < entries.length; i++) { - var ptr = i * 12 + 4 - buf.writeUInt32BE(entries[i].firstChunk || 0, ptr) - buf.writeUInt32BE(entries[i].samplesPerChunk || 0, ptr + 4) - buf.writeUInt32BE(entries[i].sampleDescriptionId || 0, ptr + 8) - } - - exports.stsc.encode.bytes = 4 + entries.length * 12 - return buf -} -exports.stsc.decode = function (buf, offset) { - buf = buf.slice(offset) - var num = buf.readUInt32BE(0) - var entries = new Array(num) - - for (var i = 0; i < num; i++) { - var ptr = i * 12 + 4 - entries[i] = { - firstChunk: buf.readUInt32BE(ptr), - samplesPerChunk: buf.readUInt32BE(ptr + 4), - sampleDescriptionId: buf.readUInt32BE(ptr + 8) - } - } - - return { - entries: entries - } -} -exports.stsc.encodingLength = function (box) { - return 4 + box.entries.length * 12 -} - -exports.dref = {} -exports.dref.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.dref.encodingLength(box)) - var entries = box.entries || [] - - buf.writeUInt32BE(entries.length, 0) - - var ptr = 4 - for (var i = 0; i < entries.length; i++) { - var entry = entries[i] - var size = (entry.buf ? entry.buf.length : 0) + 4 + 4 - - buf.writeUInt32BE(size, ptr) - ptr += 4 - - buf.write(entry.type, ptr, 4, 'ascii') - ptr += 4 - - if (entry.buf) { - entry.buf.copy(buf, ptr) - ptr += entry.buf.length - } - } - - exports.dref.encode.bytes = ptr - return buf -} -exports.dref.decode = function (buf, offset) { - buf = buf.slice(offset) - var num = buf.readUInt32BE(0) - var entries = new Array(num) - var ptr = 4 - - for (var i = 0; i < num; i++) { - var size = buf.readUInt32BE(ptr) - var type = buf.toString('ascii', ptr + 4, ptr + 8) - var tmp = buf.slice(ptr + 8, ptr + size) - ptr += size - - entries[i] = { - type: type, - buf: tmp - } - } - - return { - entries: entries - } -} -exports.dref.encodingLength = function (box) { - var totalSize = 4 - if (!box.entries) return totalSize - for (var i = 0; i < box.entries.length; i++) { - var buf = box.entries[i].buf - totalSize += (buf ? buf.length : 0) + 4 + 4 - } - return totalSize -} - -exports.elst = {} -exports.elst.encode = function (box, buf, offset) { - var entries = box.entries || [] - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.elst.encodingLength(box)) - - buf.writeUInt32BE(entries.length, 0) - - for (var i = 0; i < entries.length; i++) { - var ptr = i * 12 + 4 - buf.writeUInt32BE(entries[i].trackDuration || 0, ptr) - buf.writeUInt32BE(entries[i].mediaTime || 0, ptr + 4) - writeFixed32(entries[i].mediaRate || 0, buf, ptr + 8) - } - - exports.elst.encode.bytes = 4 + entries.length * 12 - return buf -} -exports.elst.decode = function (buf, offset) { - buf = buf.slice(offset) - var num = buf.readUInt32BE(0) - var entries = new Array(num) - - for (var i = 0; i < num; i++) { - var ptr = i * 12 + 4 - entries[i] = { - trackDuration: buf.readUInt32BE(ptr), - mediaTime: buf.readInt32BE(ptr + 4), - mediaRate: readFixed32(buf, ptr + 8) - } - } - - return { - entries: entries - } -} -exports.elst.encodingLength = function (box) { - return 4 + box.entries.length * 12 -} - -exports.hdlr = {} -exports.hdlr.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(exports.hdlr.encodingLength(box)) - - var len = 21 + (box.name || '').length - buf.fill(0, 0, len) - - buf.write(box.handlerType || '', 4, 4, 'ascii') - writeString(box.name || '', buf, 20) - - exports.hdlr.encode.bytes = len - return buf -} -exports.hdlr.decode = function (buf, offset, end) { - buf = buf.slice(offset) - return { - handlerType: buf.toString('ascii', 4, 8), - name: readString(buf, 20, end) - } -} -exports.hdlr.encodingLength = function (box) { - return 21 + (box.name || '').length -} - -exports.mehd = {} -exports.mehd.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(4) - - buf.writeUInt32BE(box.fragmentDuration || 0, 0) - exports.mehd.encode.bytes = 4 - return buf -} -exports.mehd.decode = function (buf, offset) { - buf = buf.slice(offset) - return { - fragmentDuration: buf.readUInt32BE(0) - } -} -exports.mehd.encodingLength = function (box) { - return 4 -} - -exports.trex = {} -exports.trex.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(20) - - buf.writeUInt32BE(box.trackId || 0, 0) - buf.writeUInt32BE(box.defaultSampleDescriptionIndex || 0, 4) - buf.writeUInt32BE(box.defaultSampleDuration || 0, 8) - buf.writeUInt32BE(box.defaultSampleSize || 0, 12) - buf.writeUInt32BE(box.defaultSampleFlags || 0, 16) - exports.trex.encode.bytes = 20 - return buf -} -exports.trex.decode = function (buf, offset) { - buf = buf.slice(offset) - return { - trackId: buf.readUInt32BE(0), - defaultSampleDescriptionIndex: buf.readUInt32BE(4), - defaultSampleDuration: buf.readUInt32BE(8), - defaultSampleSize: buf.readUInt32BE(12), - defaultSampleFlags: buf.readUInt32BE(16) - } -} -exports.trex.encodingLength = function (box) { - return 20 -} - -exports.mfhd = {} -exports.mfhd.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(4) - - buf.writeUInt32BE(box.sequenceNumber || 0, 0) - exports.mfhd.encode.bytes = 4 - return buf -} -exports.mfhd.decode = function (buf, offset) { - return { - sequenceNumber: buf.readUInt32BE(0) - } -} -exports.mfhd.encodingLength = function (box) { - return 4 -} - -exports.tfhd = {} -exports.tfhd.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(4) - buf.writeUInt32BE(box.trackId, 0) - exports.tfhd.encode.bytes = 4 - return buf -} -exports.tfhd.decode = function (buf, offset) { - // TODO: this -} -exports.tfhd.encodingLength = function (box) { - // TODO: this is wrong! - return 4 -} - -exports.tfdt = {} -exports.tfdt.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(4) - - buf.writeUInt32BE(box.baseMediaDecodeTime || 0, 0) - exports.tfdt.encode.bytes = 4 - return buf -} -exports.tfdt.decode = function (buf, offset) { - // TODO: this -} -exports.tfdt.encodingLength = function (box) { - return 4 -} - -exports.trun = {} -exports.trun.encode = function (box, buf, offset) { - buf = buf ? buf.slice(offset) : Buffer.alloc(8 + box.entries.length * 16) - - // TODO: this is wrong - buf.writeUInt32BE(box.entries.length, 0) - buf.writeInt32BE(box.dataOffset, 4) - var ptr = 8 - for (var i = 0; i < box.entries.length; i++) { - var entry = box.entries[i] - buf.writeUInt32BE(entry.sampleDuration, ptr) - ptr += 4 - - buf.writeUInt32BE(entry.sampleSize, ptr) - ptr += 4 - - buf.writeUInt32BE(entry.sampleFlags, ptr) - ptr += 4 - - if ((box.version || 0) === 0) { - buf.writeUInt32BE(entry.sampleCompositionTimeOffset, ptr) - } else { - buf.writeInt32BE(entry.sampleCompositionTimeOffset, ptr) - } - ptr += 4 - } - exports.trun.encode.bytes = ptr -} -exports.trun.decode = function (buf, offset) { - // TODO: this -} -exports.trun.encodingLength = function (box) { - // TODO: this is wrong - return 8 + box.entries.length * 16 -} - -exports.mdat = {} -exports.mdat.encode = function (box, buf, offset) { - if (box.buffer) { - box.buffer.copy(buf, offset) - exports.mdat.encode.bytes = box.buffer.length - } else { - exports.mdat.encode.bytes = exports.mdat.encodingLength(box) - } -} -exports.mdat.decode = function (buf, start, end) { - return { - buffer: Buffer.from(buf.slice(start, end)) - } -} -exports.mdat.encodingLength = function (box) { - return box.buffer ? box.buffer.length : box.contentLength -} - -function writeReserved (buf, offset, end) { - for (var i = offset; i < end; i++) buf[i] = 0 -} - -function writeDate (date, buf, offset) { - buf.writeUInt32BE(Math.floor((date.getTime() + TIME_OFFSET) / 1000), offset) -} - -function writeDate64 (date, buf, offset) { - // Node only supports integer <= 48bit. Waiting for BigInt! - buf.writeUIntBE(Math.floor((date.getTime() + TIME_OFFSET) / 1000), offset, 6) -} - -// TODO: think something is wrong here -function writeFixed32 (num, buf, offset) { - buf.writeUInt16BE(Math.floor(num) % (256 * 256), offset) - buf.writeUInt16BE(Math.floor(num * 256 * 256) % (256 * 256), offset + 2) -} - -function writeFixed16 (num, buf, offset) { - buf[offset] = Math.floor(num) % 256 - buf[offset + 1] = Math.floor(num * 256) % 256 -} - -function writeMatrix (list, buf, offset) { - if (!list) list = [0, 0, 0, 0, 0, 0, 0, 0, 0] - for (var i = 0; i < list.length; i++) { - writeFixed32(list[i], buf, offset + i * 4) - } -} - -function writeString (str, buf, offset) { - var strBuffer = Buffer.from(str, 'utf8') - strBuffer.copy(buf, offset) - buf[offset + strBuffer.length] = 0 -} - -function readMatrix (buf) { - var list = new Array(buf.length / 4) - for (var i = 0; i < list.length; i++) list[i] = readFixed32(buf, i * 4) - return list -} - -function readDate64 (buf, offset) { - // Node only supports integer <= 48bit. Waiting for BigInt! - return new Date(buf.readUIntBE(offset, 6) * 1000 - TIME_OFFSET) -} - -function readDate (buf, offset) { - return new Date(buf.readUInt32BE(offset) * 1000 - TIME_OFFSET) -} - -function readFixed32 (buf, offset) { - return buf.readUInt16BE(offset) + buf.readUInt16BE(offset + 2) / (256 * 256) -} - -function readFixed16 (buf, offset) { - return buf[offset] + buf[offset + 1] / 256 -} - -function readString (buf, offset, length) { - var i - for (i = 0; i < length; i++) { - if (buf[offset + i] === 0) { - break - } - } - return buf.toString('utf8', offset, offset + i) -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"./descriptor":271,"./index":272,"buffer":110,"uint64be":455}],271:[function(require,module,exports){ -(function (Buffer){(function (){ -var tagToName = { - 0x03: 'ESDescriptor', - 0x04: 'DecoderConfigDescriptor', - 0x05: 'DecoderSpecificInfo', - 0x06: 'SLConfigDescriptor' -} - -exports.Descriptor = {} -exports.Descriptor.decode = function (buf, start, end) { - var tag = buf.readUInt8(start) - var ptr = start + 1 - var lenByte - var len = 0 - do { - lenByte = buf.readUInt8(ptr++) - len = (len << 7) | (lenByte & 0x7f) - } while (lenByte & 0x80) - - var obj - var tagName = tagToName[tag] // May be undefined; that's ok - if (exports[tagName]) { - obj = exports[tagName].decode(buf, ptr, end) - } else { - obj = { - buffer: Buffer.from(buf.slice(ptr, ptr + len)) - } - } - - obj.tag = tag - obj.tagName = tagName - obj.length = (ptr - start) + len - obj.contentsLen = len - return obj -} - -exports.DescriptorArray = {} -exports.DescriptorArray.decode = function (buf, start, end) { - var ptr = start - var obj = {} - while (ptr + 2 <= end) { - var descriptor = exports.Descriptor.decode(buf, ptr, end) - ptr += descriptor.length - var tagName = tagToName[descriptor.tag] || ('Descriptor' + descriptor.tag) - obj[tagName] = descriptor - } - return obj -} - -exports.ESDescriptor = {} -exports.ESDescriptor.decode = function (buf, start, end) { - var flags = buf.readUInt8(start + 2) - var ptr = start + 3 - if (flags & 0x80) { - ptr += 2 - } - if (flags & 0x40) { - var len = buf.readUInt8(ptr) - ptr += len + 1 - } - if (flags & 0x20) { - ptr += 2 - } - return exports.DescriptorArray.decode(buf, ptr, end) -} - -exports.DecoderConfigDescriptor = {} -exports.DecoderConfigDescriptor.decode = function (buf, start, end) { - var oti = buf.readUInt8(start) - var obj = exports.DescriptorArray.decode(buf, start + 13, end) - obj.oti = oti - return obj -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],272:[function(require,module,exports){ -(function (Buffer){(function (){ -// var assert = require('assert') -var uint64be = require('uint64be') - -var boxes = require('./boxes') - -var UINT32_MAX = 4294967295 - -var Box = exports - -/* - * Lists the proper order for boxes inside containers. - * Five-character names ending in 's' indicate arrays instead of single elements. - */ -var containers = exports.containers = { - 'moov': ['mvhd', 'meta', 'traks', 'mvex'], - 'trak': ['tkhd', 'tref', 'trgr', 'edts', 'meta', 'mdia', 'udta'], - 'edts': ['elst'], - 'mdia': ['mdhd', 'hdlr', 'elng', 'minf'], - 'minf': ['vmhd', 'smhd', 'hmhd', 'sthd', 'nmhd', 'dinf', 'stbl'], - 'dinf': ['dref'], - 'stbl': ['stsd', 'stts', 'ctts', 'cslg', 'stsc', 'stsz', 'stz2', 'stco', 'co64', 'stss', 'stsh', 'padb', 'stdp', 'sdtp', 'sbgps', 'sgpds', 'subss', 'saizs', 'saios'], - 'mvex': ['mehd', 'trexs', 'leva'], - 'moof': ['mfhd', 'meta', 'trafs'], - 'traf': ['tfhd', 'tfdt', 'trun', 'sbgps', 'sgpds', 'subss', 'saizs', 'saios', 'meta'] -} - -Box.encode = function (obj, buffer, offset) { - Box.encodingLength(obj) // sets every level appropriately - offset = offset || 0 - buffer = buffer || Buffer.alloc(obj.length) - return Box._encode(obj, buffer, offset) -} - -Box._encode = function (obj, buffer, offset) { - var type = obj.type - var len = obj.length - if (len > UINT32_MAX) { - len = 1 - } - buffer.writeUInt32BE(len, offset) - buffer.write(obj.type, offset + 4, 4, 'ascii') - var ptr = offset + 8 - if (len === 1) { - uint64be.encode(obj.length, buffer, ptr) - ptr += 8 - } - if (boxes.fullBoxes[type]) { - buffer.writeUInt32BE(obj.flags || 0, ptr) - buffer.writeUInt8(obj.version || 0, ptr) - ptr += 4 - } - - if (containers[type]) { - var contents = containers[type] - contents.forEach(function (childType) { - if (childType.length === 5) { - var entry = obj[childType] || [] - childType = childType.substr(0, 4) - entry.forEach(function (child) { - Box._encode(child, buffer, ptr) - ptr += Box.encode.bytes - }) - } else if (obj[childType]) { - Box._encode(obj[childType], buffer, ptr) - ptr += Box.encode.bytes - } - }) - if (obj.otherBoxes) { - obj.otherBoxes.forEach(function (child) { - Box._encode(child, buffer, ptr) - ptr += Box.encode.bytes - }) - } - } else if (boxes[type]) { - var encode = boxes[type].encode - encode(obj, buffer, ptr) - ptr += encode.bytes - } else if (obj.buffer) { - var buf = obj.buffer - buf.copy(buffer, ptr) - ptr += obj.buffer.length - } else { - throw new Error('Either `type` must be set to a known type (not\'' + type + '\') or `buffer` must be set') - } - - Box.encode.bytes = ptr - offset - // assert.equal(ptr - offset, obj.length, 'Error encoding \'' + type + '\': wrote ' + ptr - offset + ' bytes, expecting ' + obj.length) - return buffer -} - -/* - * Returns an object with `type` and `size` fields, - * or if there isn't enough data, returns the total - * number of bytes needed to read the headers - */ -Box.readHeaders = function (buffer, start, end) { - start = start || 0 - end = end || buffer.length - if (end - start < 8) { - return 8 - } - - var len = buffer.readUInt32BE(start) - var type = buffer.toString('ascii', start + 4, start + 8) - var ptr = start + 8 - - if (len === 1) { - if (end - start < 16) { - return 16 - } - - len = uint64be.decode(buffer, ptr) - ptr += 8 - } - - var version - var flags - if (boxes.fullBoxes[type]) { - version = buffer.readUInt8(ptr) - flags = buffer.readUInt32BE(ptr) & 0xffffff - ptr += 4 - } - - return { - length: len, - headersLen: ptr - start, - contentLen: len - (ptr - start), - type: type, - version: version, - flags: flags - } -} - -Box.decode = function (buffer, start, end) { - start = start || 0 - end = end || buffer.length - var headers = Box.readHeaders(buffer, start, end) - if (!headers || headers.length > end - start) { - throw new Error('Data too short') - } - - return Box.decodeWithoutHeaders(headers, buffer, start + headers.headersLen, start + headers.length) -} - -Box.decodeWithoutHeaders = function (headers, buffer, start, end) { - start = start || 0 - end = end || buffer.length - var type = headers.type - var obj = {} - if (containers[type]) { - obj.otherBoxes = [] - var contents = containers[type] - var ptr = start - while (end - ptr >= 8) { - var child = Box.decode(buffer, ptr, end) - ptr += child.length - if (contents.indexOf(child.type) >= 0) { - obj[child.type] = child - } else if (contents.indexOf(child.type + 's') >= 0) { - var childType = child.type + 's' - var entry = obj[childType] = obj[childType] || [] - entry.push(child) - } else { - obj.otherBoxes.push(child) - } - } - } else if (boxes[type]) { - var decode = boxes[type].decode - obj = decode(buffer, start, end) - } else { - obj.buffer = Buffer.from(buffer.slice(start, end)) - } - - obj.length = headers.length - obj.contentLen = headers.contentLen - obj.type = headers.type - obj.version = headers.version - obj.flags = headers.flags - return obj -} - -Box.encodingLength = function (obj) { - var type = obj.type - - var len = 8 - if (boxes.fullBoxes[type]) { - len += 4 - } - - if (containers[type]) { - var contents = containers[type] - contents.forEach(function (childType) { - if (childType.length === 5) { - var entry = obj[childType] || [] - childType = childType.substr(0, 4) - entry.forEach(function (child) { - child.type = childType - len += Box.encodingLength(child) - }) - } else if (obj[childType]) { - var child = obj[childType] - child.type = childType - len += Box.encodingLength(child) - } - }) - if (obj.otherBoxes) { - obj.otherBoxes.forEach(function (child) { - len += Box.encodingLength(child) - }) - } - } else if (boxes[type]) { - len += boxes[type].encodingLength(obj) - } else if (obj.buffer) { - len += obj.buffer.length - } else { - throw new Error('Either `type` must be set to a known type (not\'' + type + '\') or `buffer` must be set') - } - - if (len > UINT32_MAX) { - len += 8 - } - - obj.length = len - return len -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"./boxes":270,"buffer":110,"uint64be":455}],273:[function(require,module,exports){ -(function (Buffer){(function (){ -var stream = require('readable-stream') -var nextEvent = require('next-event') -var Box = require('mp4-box-encoding') - -var EMPTY = Buffer.alloc(0) - -class Decoder extends stream.Writable { - constructor (opts) { - super(opts) - - this.destroyed = false - - this._pending = 0 - this._missing = 0 - this._ignoreEmpty = false - this._buf = null - this._str = null - this._cb = null - this._ondrain = null - this._writeBuffer = null - this._writeCb = null - - this._ondrain = null - this._kick() - } - - destroy (err) { - if (this.destroyed) return - this.destroyed = true - if (err) this.emit('error', err) - this.emit('close') - } - - _write (data, enc, next) { - if (this.destroyed) return - var drained = !this._str || !this._str._writableState.needDrain - - while (data.length && !this.destroyed) { - if (!this._missing && !this._ignoreEmpty) { - this._writeBuffer = data - this._writeCb = next - return - } - - var consumed = data.length < this._missing ? data.length : this._missing - if (this._buf) data.copy(this._buf, this._buf.length - this._missing) - else if (this._str) drained = this._str.write(consumed === data.length ? data : data.slice(0, consumed)) - - this._missing -= consumed - - if (!this._missing) { - var buf = this._buf - var cb = this._cb - var stream = this._str - - this._buf = this._cb = this._str = this._ondrain = null - drained = true - - this._ignoreEmpty = false - if (stream) stream.end() - if (cb) cb(buf) - } - - data = consumed === data.length ? EMPTY : data.slice(consumed) - } - - if (this._pending && !this._missing) { - this._writeBuffer = data - this._writeCb = next - return - } - - if (drained) next() - else this._ondrain(next) - } - - _buffer (size, cb) { - this._missing = size - this._buf = Buffer.alloc(size) - this._cb = cb - } - - _stream (size, cb) { - this._missing = size - this._str = new MediaData(this) - this._ondrain = nextEvent(this._str, 'drain') - this._pending++ - this._str.on('end', () => { - this._pending-- - this._kick() - }) - this._cb = cb - return this._str - } - - _readBox () { - const bufferHeaders = (len, buf) => { - this._buffer(len, additionalBuf => { - if (buf) { - buf = Buffer.concat([buf, additionalBuf]) - } else { - buf = additionalBuf - } - var headers = Box.readHeaders(buf) - if (typeof headers === 'number') { - bufferHeaders(headers - buf.length, buf) - } else { - this._pending++ - this._headers = headers - this.emit('box', headers) - } - }) - } - - bufferHeaders(8) - } - - stream () { - if (!this._headers) throw new Error('this function can only be called once after \'box\' is emitted') - var headers = this._headers - this._headers = null - - return this._stream(headers.contentLen, () => { - this._pending-- - this._kick() - }) - } - - decode (cb) { - if (!this._headers) throw new Error('this function can only be called once after \'box\' is emitted') - var headers = this._headers - this._headers = null - - this._buffer(headers.contentLen, buf => { - var box = Box.decodeWithoutHeaders(headers, buf) - cb(box) - this._pending-- - this._kick() - }) - } - - ignore () { - if (!this._headers) throw new Error('this function can only be called once after \'box\' is emitted') - var headers = this._headers - this._headers = null - - this._missing = headers.contentLen - if (this._missing === 0) { - this._ignoreEmpty = true - } - this._cb = () => { - this._pending-- - this._kick() - } - } - - _kick () { - if (this._pending) return - if (!this._buf && !this._str) this._readBox() - if (this._writeBuffer) { - var next = this._writeCb - var buffer = this._writeBuffer - this._writeBuffer = null - this._writeCb = null - this._write(buffer, null, next) - } - } -} - -class MediaData extends stream.PassThrough { - constructor (parent) { - super() - this._parent = parent - this.destroyed = false - } - - destroy (err) { - if (this.destroyed) return - this.destroyed = true - this._parent.destroy(err) - if (err) this.emit('error', err) - this.emit('close') - } -} - -module.exports = Decoder - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"mp4-box-encoding":272,"next-event":292,"readable-stream":290}],274:[function(require,module,exports){ -(function (Buffer){(function (){ -var stream = require('readable-stream') -var Box = require('mp4-box-encoding') -var queueMicrotask = require('queue-microtask') - -function noop () {} - -class Encoder extends stream.Readable { - constructor (opts) { - super(opts) - - this.destroyed = false - - this._finalized = false - this._reading = false - this._stream = null - this._drain = null - this._want = false - - this._onreadable = () => { - if (!this._want) return - this._want = false - this._read() - } - - this._onend = () => { - this._stream = null - } - } - - mdat (size, cb) { - this.mediaData(size, cb) - } - - mediaData (size, cb) { - var stream = new MediaData(this) - this.box({ type: 'mdat', contentLength: size, encodeBufferLen: 8, stream: stream }, cb) - return stream - } - - box (box, cb) { - if (!cb) cb = noop - if (this.destroyed) return cb(new Error('Encoder is destroyed')) - - var buf - if (box.encodeBufferLen) { - buf = Buffer.alloc(box.encodeBufferLen) - } - if (box.stream) { - box.buffer = null - buf = Box.encode(box, buf) - this.push(buf) - this._stream = box.stream - this._stream.on('readable', this._onreadable) - this._stream.on('end', this._onend) - this._stream.on('end', cb) - this._forward() - } else { - buf = Box.encode(box, buf) - var drained = this.push(buf) - if (drained) return queueMicrotask(cb) - this._drain = cb - } - } - - destroy (err) { - if (this.destroyed) return - this.destroyed = true - if (this._stream && this._stream.destroy) this._stream.destroy() - this._stream = null - if (this._drain) { - var cb = this._drain - this._drain = null - cb(err) - } - if (err) this.emit('error', err) - this.emit('close') - } - - finalize () { - this._finalized = true - if (!this._stream && !this._drain) { - this.push(null) - } - } - - _forward () { - if (!this._stream) return - - while (!this.destroyed) { - var buf = this._stream.read() - - if (!buf) { - this._want = !!this._stream - return - } - - if (!this.push(buf)) return - } - } - - _read () { - if (this._reading || this.destroyed) return - this._reading = true - - if (this._stream) this._forward() - if (this._drain) { - var drain = this._drain - this._drain = null - drain() - } - - this._reading = false - if (this._finalized) { - this.push(null) - } - } -} - -class MediaData extends stream.PassThrough { - constructor (parent) { - super() - this._parent = parent - this.destroyed = false - } - - destroy (err) { - if (this.destroyed) return - this.destroyed = true - this._parent.destroy(err) - if (err) this.emit('error', err) - this.emit('close') - } -} - -module.exports = Encoder - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"mp4-box-encoding":272,"queue-microtask":327,"readable-stream":290}],275:[function(require,module,exports){ -const Decoder = require('./decode') -const Encoder = require('./encode') - -exports.decode = opts => new Decoder(opts) -exports.encode = opts => new Encoder(opts) - -},{"./decode":273,"./encode":274}],276:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],277:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":279,"./_stream_writable":281,"_process":309,"dup":29,"inherits":229}],278:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":280,"dup":30,"inherits":229}],279:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":276,"./_stream_duplex":277,"./internal/streams/async_iterator":282,"./internal/streams/buffer_list":283,"./internal/streams/destroy":284,"./internal/streams/from":286,"./internal/streams/state":288,"./internal/streams/stream":289,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],280:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":276,"./_stream_duplex":277,"dup":32,"inherits":229}],281:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":276,"./_stream_duplex":277,"./internal/streams/destroy":284,"./internal/streams/state":288,"./internal/streams/stream":289,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],282:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":285,"_process":309,"dup":34}],283:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],284:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],285:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":276,"dup":37}],286:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],287:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":276,"./end-of-stream":285,"dup":39}],288:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":276,"dup":40}],289:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],290:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":277,"./lib/_stream_passthrough.js":278,"./lib/_stream_readable.js":279,"./lib/_stream_transform.js":280,"./lib/_stream_writable.js":281,"./lib/internal/streams/end-of-stream.js":285,"./lib/internal/streams/pipeline.js":287,"dup":42}],291:[function(require,module,exports){ -/** - * Helpers. - */ - -var s = 1000; -var m = s * 60; -var h = m * 60; -var d = h * 24; -var w = d * 7; -var y = d * 365.25; - -/** - * Parse or format the given `val`. - * - * Options: - * - * - `long` verbose formatting [false] - * - * @param {String|Number} val - * @param {Object} [options] - * @throws {Error} throw an error if val is not a non-empty string or a number - * @return {String|Number} - * @api public - */ - -module.exports = function(val, options) { - options = options || {}; - var type = typeof val; - if (type === 'string' && val.length > 0) { - return parse(val); - } else if (type === 'number' && isFinite(val)) { - return options.long ? fmtLong(val) : fmtShort(val); - } - throw new Error( - 'val is not a non-empty string or a valid number. val=' + - JSON.stringify(val) - ); -}; - -/** - * Parse the given `str` and return milliseconds. - * - * @param {String} str - * @return {Number} - * @api private - */ - -function parse(str) { - str = String(str); - if (str.length > 100) { - return; - } - var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec( - str - ); - if (!match) { - return; - } - var n = parseFloat(match[1]); - var type = (match[2] || 'ms').toLowerCase(); - switch (type) { - case 'years': - case 'year': - case 'yrs': - case 'yr': - case 'y': - return n * y; - case 'weeks': - case 'week': - case 'w': - return n * w; - case 'days': - case 'day': - case 'd': - return n * d; - case 'hours': - case 'hour': - case 'hrs': - case 'hr': - case 'h': - return n * h; - case 'minutes': - case 'minute': - case 'mins': - case 'min': - case 'm': - return n * m; - case 'seconds': - case 'second': - case 'secs': - case 'sec': - case 's': - return n * s; - case 'milliseconds': - case 'millisecond': - case 'msecs': - case 'msec': - case 'ms': - return n; - default: - return undefined; - } -} - -/** - * Short format for `ms`. - * - * @param {Number} ms - * @return {String} - * @api private - */ - -function fmtShort(ms) { - var msAbs = Math.abs(ms); - if (msAbs >= d) { - return Math.round(ms / d) + 'd'; - } - if (msAbs >= h) { - return Math.round(ms / h) + 'h'; - } - if (msAbs >= m) { - return Math.round(ms / m) + 'm'; - } - if (msAbs >= s) { - return Math.round(ms / s) + 's'; - } - return ms + 'ms'; -} - -/** - * Long format for `ms`. - * - * @param {Number} ms - * @return {String} - * @api private - */ - -function fmtLong(ms) { - var msAbs = Math.abs(ms); - if (msAbs >= d) { - return plural(ms, msAbs, d, 'day'); - } - if (msAbs >= h) { - return plural(ms, msAbs, h, 'hour'); - } - if (msAbs >= m) { - return plural(ms, msAbs, m, 'minute'); - } - if (msAbs >= s) { - return plural(ms, msAbs, s, 'second'); - } - return ms + ' ms'; -} - -/** - * Pluralization helper. - */ - -function plural(ms, msAbs, n, name) { - var isPlural = msAbs >= n * 1.5; - return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); -} - -},{}],292:[function(require,module,exports){ -module.exports = nextEvent - -function nextEvent (emitter, name) { - var next = null - emitter.on(name, function (data) { - if (!next) return - var fn = next - next = null - fn(data) - }) - - return function (once) { - next = once - } -} - -},{}],293:[function(require,module,exports){ -(function (global){(function (){ -var hasMap = typeof Map === 'function' && Map.prototype; -var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null; -var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null; -var mapForEach = hasMap && Map.prototype.forEach; -var hasSet = typeof Set === 'function' && Set.prototype; -var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null; -var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null; -var setForEach = hasSet && Set.prototype.forEach; -var hasWeakMap = typeof WeakMap === 'function' && WeakMap.prototype; -var weakMapHas = hasWeakMap ? WeakMap.prototype.has : null; -var hasWeakSet = typeof WeakSet === 'function' && WeakSet.prototype; -var weakSetHas = hasWeakSet ? WeakSet.prototype.has : null; -var hasWeakRef = typeof WeakRef === 'function' && WeakRef.prototype; -var weakRefDeref = hasWeakRef ? WeakRef.prototype.deref : null; -var booleanValueOf = Boolean.prototype.valueOf; -var objectToString = Object.prototype.toString; -var functionToString = Function.prototype.toString; -var $match = String.prototype.match; -var $slice = String.prototype.slice; -var $replace = String.prototype.replace; -var $toUpperCase = String.prototype.toUpperCase; -var $toLowerCase = String.prototype.toLowerCase; -var $test = RegExp.prototype.test; -var $concat = Array.prototype.concat; -var $join = Array.prototype.join; -var $arrSlice = Array.prototype.slice; -var $floor = Math.floor; -var bigIntValueOf = typeof BigInt === 'function' ? BigInt.prototype.valueOf : null; -var gOPS = Object.getOwnPropertySymbols; -var symToString = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ? Symbol.prototype.toString : null; -var hasShammedSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'object'; -// ie, `has-tostringtag/shams -var toStringTag = typeof Symbol === 'function' && Symbol.toStringTag && (typeof Symbol.toStringTag === hasShammedSymbols ? 'object' : 'symbol') - ? Symbol.toStringTag - : null; -var isEnumerable = Object.prototype.propertyIsEnumerable; - -var gPO = (typeof Reflect === 'function' ? Reflect.getPrototypeOf : Object.getPrototypeOf) || ( - [].__proto__ === Array.prototype // eslint-disable-line no-proto - ? function (O) { - return O.__proto__; // eslint-disable-line no-proto - } - : null -); - -function addNumericSeparator(num, str) { - if ( - num === Infinity - || num === -Infinity - || num !== num - || (num && num > -1000 && num < 1000) - || $test.call(/e/, str) - ) { - return str; - } - var sepRegex = /[0-9](?=(?:[0-9]{3})+(?![0-9]))/g; - if (typeof num === 'number') { - var int = num < 0 ? -$floor(-num) : $floor(num); // trunc(num) - if (int !== num) { - var intStr = String(int); - var dec = $slice.call(str, intStr.length + 1); - return $replace.call(intStr, sepRegex, '$&_') + '.' + $replace.call($replace.call(dec, /([0-9]{3})/g, '$&_'), /_$/, ''); - } - } - return $replace.call(str, sepRegex, '$&_'); -} - -var utilInspect = require('./util.inspect'); -var inspectCustom = utilInspect.custom; -var inspectSymbol = isSymbol(inspectCustom) ? inspectCustom : null; - -module.exports = function inspect_(obj, options, depth, seen) { - var opts = options || {}; - - if (has(opts, 'quoteStyle') && (opts.quoteStyle !== 'single' && opts.quoteStyle !== 'double')) { - throw new TypeError('option "quoteStyle" must be "single" or "double"'); - } - if ( - has(opts, 'maxStringLength') && (typeof opts.maxStringLength === 'number' - ? opts.maxStringLength < 0 && opts.maxStringLength !== Infinity - : opts.maxStringLength !== null - ) - ) { - throw new TypeError('option "maxStringLength", if provided, must be a positive integer, Infinity, or `null`'); - } - var customInspect = has(opts, 'customInspect') ? opts.customInspect : true; - if (typeof customInspect !== 'boolean' && customInspect !== 'symbol') { - throw new TypeError('option "customInspect", if provided, must be `true`, `false`, or `\'symbol\'`'); - } - - if ( - has(opts, 'indent') - && opts.indent !== null - && opts.indent !== '\t' - && !(parseInt(opts.indent, 10) === opts.indent && opts.indent > 0) - ) { - throw new TypeError('option "indent" must be "\\t", an integer > 0, or `null`'); - } - if (has(opts, 'numericSeparator') && typeof opts.numericSeparator !== 'boolean') { - throw new TypeError('option "numericSeparator", if provided, must be `true` or `false`'); - } - var numericSeparator = opts.numericSeparator; - - if (typeof obj === 'undefined') { - return 'undefined'; - } - if (obj === null) { - return 'null'; - } - if (typeof obj === 'boolean') { - return obj ? 'true' : 'false'; - } - - if (typeof obj === 'string') { - return inspectString(obj, opts); - } - if (typeof obj === 'number') { - if (obj === 0) { - return Infinity / obj > 0 ? '0' : '-0'; - } - var str = String(obj); - return numericSeparator ? addNumericSeparator(obj, str) : str; - } - if (typeof obj === 'bigint') { - var bigIntStr = String(obj) + 'n'; - return numericSeparator ? addNumericSeparator(obj, bigIntStr) : bigIntStr; - } - - var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth; - if (typeof depth === 'undefined') { depth = 0; } - if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') { - return isArray(obj) ? '[Array]' : '[Object]'; - } - - var indent = getIndent(opts, depth); - - if (typeof seen === 'undefined') { - seen = []; - } else if (indexOf(seen, obj) >= 0) { - return '[Circular]'; - } - - function inspect(value, from, noIndent) { - if (from) { - seen = $arrSlice.call(seen); - seen.push(from); - } - if (noIndent) { - var newOpts = { - depth: opts.depth - }; - if (has(opts, 'quoteStyle')) { - newOpts.quoteStyle = opts.quoteStyle; - } - return inspect_(value, newOpts, depth + 1, seen); - } - return inspect_(value, opts, depth + 1, seen); - } - - if (typeof obj === 'function' && !isRegExp(obj)) { // in older engines, regexes are callable - var name = nameOf(obj); - var keys = arrObjKeys(obj, inspect); - return '[Function' + (name ? ': ' + name : ' (anonymous)') + ']' + (keys.length > 0 ? ' { ' + $join.call(keys, ', ') + ' }' : ''); - } - if (isSymbol(obj)) { - var symString = hasShammedSymbols ? $replace.call(String(obj), /^(Symbol\(.*\))_[^)]*$/, '$1') : symToString.call(obj); - return typeof obj === 'object' && !hasShammedSymbols ? markBoxed(symString) : symString; - } - if (isElement(obj)) { - var s = '<' + $toLowerCase.call(String(obj.nodeName)); - var attrs = obj.attributes || []; - for (var i = 0; i < attrs.length; i++) { - s += ' ' + attrs[i].name + '=' + wrapQuotes(quote(attrs[i].value), 'double', opts); - } - s += '>'; - if (obj.childNodes && obj.childNodes.length) { s += '...'; } - s += ''; - return s; - } - if (isArray(obj)) { - if (obj.length === 0) { return '[]'; } - var xs = arrObjKeys(obj, inspect); - if (indent && !singleLineValues(xs)) { - return '[' + indentedJoin(xs, indent) + ']'; - } - return '[ ' + $join.call(xs, ', ') + ' ]'; - } - if (isError(obj)) { - var parts = arrObjKeys(obj, inspect); - if (!('cause' in Error.prototype) && 'cause' in obj && !isEnumerable.call(obj, 'cause')) { - return '{ [' + String(obj) + '] ' + $join.call($concat.call('[cause]: ' + inspect(obj.cause), parts), ', ') + ' }'; - } - if (parts.length === 0) { return '[' + String(obj) + ']'; } - return '{ [' + String(obj) + '] ' + $join.call(parts, ', ') + ' }'; - } - if (typeof obj === 'object' && customInspect) { - if (inspectSymbol && typeof obj[inspectSymbol] === 'function' && utilInspect) { - return utilInspect(obj, { depth: maxDepth - depth }); - } else if (customInspect !== 'symbol' && typeof obj.inspect === 'function') { - return obj.inspect(); - } - } - if (isMap(obj)) { - var mapParts = []; - if (mapForEach) { - mapForEach.call(obj, function (value, key) { - mapParts.push(inspect(key, obj, true) + ' => ' + inspect(value, obj)); - }); - } - return collectionOf('Map', mapSize.call(obj), mapParts, indent); - } - if (isSet(obj)) { - var setParts = []; - if (setForEach) { - setForEach.call(obj, function (value) { - setParts.push(inspect(value, obj)); - }); - } - return collectionOf('Set', setSize.call(obj), setParts, indent); - } - if (isWeakMap(obj)) { - return weakCollectionOf('WeakMap'); - } - if (isWeakSet(obj)) { - return weakCollectionOf('WeakSet'); - } - if (isWeakRef(obj)) { - return weakCollectionOf('WeakRef'); - } - if (isNumber(obj)) { - return markBoxed(inspect(Number(obj))); - } - if (isBigInt(obj)) { - return markBoxed(inspect(bigIntValueOf.call(obj))); - } - if (isBoolean(obj)) { - return markBoxed(booleanValueOf.call(obj)); - } - if (isString(obj)) { - return markBoxed(inspect(String(obj))); - } - // note: in IE 8, sometimes `global !== window` but both are the prototypes of each other - /* eslint-env browser */ - if (typeof window !== 'undefined' && obj === window) { - return '{ [object Window] }'; - } - if (obj === global) { - return '{ [object globalThis] }'; - } - if (!isDate(obj) && !isRegExp(obj)) { - var ys = arrObjKeys(obj, inspect); - var isPlainObject = gPO ? gPO(obj) === Object.prototype : obj instanceof Object || obj.constructor === Object; - var protoTag = obj instanceof Object ? '' : 'null prototype'; - var stringTag = !isPlainObject && toStringTag && Object(obj) === obj && toStringTag in obj ? $slice.call(toStr(obj), 8, -1) : protoTag ? 'Object' : ''; - var constructorTag = isPlainObject || typeof obj.constructor !== 'function' ? '' : obj.constructor.name ? obj.constructor.name + ' ' : ''; - var tag = constructorTag + (stringTag || protoTag ? '[' + $join.call($concat.call([], stringTag || [], protoTag || []), ': ') + '] ' : ''); - if (ys.length === 0) { return tag + '{}'; } - if (indent) { - return tag + '{' + indentedJoin(ys, indent) + '}'; - } - return tag + '{ ' + $join.call(ys, ', ') + ' }'; - } - return String(obj); -}; - -function wrapQuotes(s, defaultStyle, opts) { - var quoteChar = (opts.quoteStyle || defaultStyle) === 'double' ? '"' : "'"; - return quoteChar + s + quoteChar; -} - -function quote(s) { - return $replace.call(String(s), /"/g, '"'); -} - -function isArray(obj) { return toStr(obj) === '[object Array]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); } -function isDate(obj) { return toStr(obj) === '[object Date]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); } -function isRegExp(obj) { return toStr(obj) === '[object RegExp]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); } -function isError(obj) { return toStr(obj) === '[object Error]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); } -function isString(obj) { return toStr(obj) === '[object String]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); } -function isNumber(obj) { return toStr(obj) === '[object Number]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); } -function isBoolean(obj) { return toStr(obj) === '[object Boolean]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); } - -// Symbol and BigInt do have Symbol.toStringTag by spec, so that can't be used to eliminate false positives -function isSymbol(obj) { - if (hasShammedSymbols) { - return obj && typeof obj === 'object' && obj instanceof Symbol; - } - if (typeof obj === 'symbol') { - return true; - } - if (!obj || typeof obj !== 'object' || !symToString) { - return false; - } - try { - symToString.call(obj); - return true; - } catch (e) {} - return false; -} - -function isBigInt(obj) { - if (!obj || typeof obj !== 'object' || !bigIntValueOf) { - return false; - } - try { - bigIntValueOf.call(obj); - return true; - } catch (e) {} - return false; -} - -var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; }; -function has(obj, key) { - return hasOwn.call(obj, key); -} - -function toStr(obj) { - return objectToString.call(obj); -} - -function nameOf(f) { - if (f.name) { return f.name; } - var m = $match.call(functionToString.call(f), /^function\s*([\w$]+)/); - if (m) { return m[1]; } - return null; -} - -function indexOf(xs, x) { - if (xs.indexOf) { return xs.indexOf(x); } - for (var i = 0, l = xs.length; i < l; i++) { - if (xs[i] === x) { return i; } - } - return -1; -} - -function isMap(x) { - if (!mapSize || !x || typeof x !== 'object') { - return false; - } - try { - mapSize.call(x); - try { - setSize.call(x); - } catch (s) { - return true; - } - return x instanceof Map; // core-js workaround, pre-v2.5.0 - } catch (e) {} - return false; -} - -function isWeakMap(x) { - if (!weakMapHas || !x || typeof x !== 'object') { - return false; - } - try { - weakMapHas.call(x, weakMapHas); - try { - weakSetHas.call(x, weakSetHas); - } catch (s) { - return true; - } - return x instanceof WeakMap; // core-js workaround, pre-v2.5.0 - } catch (e) {} - return false; -} - -function isWeakRef(x) { - if (!weakRefDeref || !x || typeof x !== 'object') { - return false; - } - try { - weakRefDeref.call(x); - return true; - } catch (e) {} - return false; -} - -function isSet(x) { - if (!setSize || !x || typeof x !== 'object') { - return false; - } - try { - setSize.call(x); - try { - mapSize.call(x); - } catch (m) { - return true; - } - return x instanceof Set; // core-js workaround, pre-v2.5.0 - } catch (e) {} - return false; -} - -function isWeakSet(x) { - if (!weakSetHas || !x || typeof x !== 'object') { - return false; - } - try { - weakSetHas.call(x, weakSetHas); - try { - weakMapHas.call(x, weakMapHas); - } catch (s) { - return true; - } - return x instanceof WeakSet; // core-js workaround, pre-v2.5.0 - } catch (e) {} - return false; -} - -function isElement(x) { - if (!x || typeof x !== 'object') { return false; } - if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) { - return true; - } - return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function'; -} - -function inspectString(str, opts) { - if (str.length > opts.maxStringLength) { - var remaining = str.length - opts.maxStringLength; - var trailer = '... ' + remaining + ' more character' + (remaining > 1 ? 's' : ''); - return inspectString($slice.call(str, 0, opts.maxStringLength), opts) + trailer; - } - // eslint-disable-next-line no-control-regex - var s = $replace.call($replace.call(str, /(['\\])/g, '\\$1'), /[\x00-\x1f]/g, lowbyte); - return wrapQuotes(s, 'single', opts); -} - -function lowbyte(c) { - var n = c.charCodeAt(0); - var x = { - 8: 'b', - 9: 't', - 10: 'n', - 12: 'f', - 13: 'r' - }[n]; - if (x) { return '\\' + x; } - return '\\x' + (n < 0x10 ? '0' : '') + $toUpperCase.call(n.toString(16)); -} - -function markBoxed(str) { - return 'Object(' + str + ')'; -} - -function weakCollectionOf(type) { - return type + ' { ? }'; -} - -function collectionOf(type, size, entries, indent) { - var joinedEntries = indent ? indentedJoin(entries, indent) : $join.call(entries, ', '); - return type + ' (' + size + ') {' + joinedEntries + '}'; -} - -function singleLineValues(xs) { - for (var i = 0; i < xs.length; i++) { - if (indexOf(xs[i], '\n') >= 0) { - return false; - } - } - return true; -} - -function getIndent(opts, depth) { - var baseIndent; - if (opts.indent === '\t') { - baseIndent = '\t'; - } else if (typeof opts.indent === 'number' && opts.indent > 0) { - baseIndent = $join.call(Array(opts.indent + 1), ' '); - } else { - return null; - } - return { - base: baseIndent, - prev: $join.call(Array(depth + 1), baseIndent) - }; -} - -function indentedJoin(xs, indent) { - if (xs.length === 0) { return ''; } - var lineJoiner = '\n' + indent.prev + indent.base; - return lineJoiner + $join.call(xs, ',' + lineJoiner) + '\n' + indent.prev; -} - -function arrObjKeys(obj, inspect) { - var isArr = isArray(obj); - var xs = []; - if (isArr) { - xs.length = obj.length; - for (var i = 0; i < obj.length; i++) { - xs[i] = has(obj, i) ? inspect(obj[i], obj) : ''; - } - } - var syms = typeof gOPS === 'function' ? gOPS(obj) : []; - var symMap; - if (hasShammedSymbols) { - symMap = {}; - for (var k = 0; k < syms.length; k++) { - symMap['$' + syms[k]] = syms[k]; - } - } - - for (var key in obj) { // eslint-disable-line no-restricted-syntax - if (!has(obj, key)) { continue; } // eslint-disable-line no-restricted-syntax, no-continue - if (isArr && String(Number(key)) === key && key < obj.length) { continue; } // eslint-disable-line no-restricted-syntax, no-continue - if (hasShammedSymbols && symMap['$' + key] instanceof Symbol) { - // this is to prevent shammed Symbols, which are stored as strings, from being included in the string key section - continue; // eslint-disable-line no-restricted-syntax, no-continue - } else if ($test.call(/[^\w$]/, key)) { - xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj)); - } else { - xs.push(key + ': ' + inspect(obj[key], obj)); - } - } - if (typeof gOPS === 'function') { - for (var j = 0; j < syms.length; j++) { - if (isEnumerable.call(obj, syms[j])) { - xs.push('[' + inspect(syms[j]) + ']: ' + inspect(obj[syms[j]], obj)); - } - } - } - return xs; -} - -}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"./util.inspect":67}],294:[function(require,module,exports){ -var wrappy = require('wrappy') -module.exports = wrappy(once) -module.exports.strict = wrappy(onceStrict) - -once.proto = once(function () { - Object.defineProperty(Function.prototype, 'once', { - value: function () { - return once(this) - }, - configurable: true - }) - - Object.defineProperty(Function.prototype, 'onceStrict', { - value: function () { - return onceStrict(this) - }, - configurable: true - }) -}) - -function once (fn) { - var f = function () { - if (f.called) return f.value - f.called = true - return f.value = fn.apply(this, arguments) - } - f.called = false - return f -} - -function onceStrict (fn) { - var f = function () { - if (f.called) - throw new Error(f.onceError) - f.called = true - return f.value = fn.apply(this, arguments) - } - var name = fn.name || 'Function wrapped with `once`' - f.onceError = name + " shouldn't be called more than once" - f.called = false - return f -} - -},{"wrappy":470}],295:[function(require,module,exports){ -module.exports={"2.16.840.1.101.3.4.1.1": "aes-128-ecb", -"2.16.840.1.101.3.4.1.2": "aes-128-cbc", -"2.16.840.1.101.3.4.1.3": "aes-128-ofb", -"2.16.840.1.101.3.4.1.4": "aes-128-cfb", -"2.16.840.1.101.3.4.1.21": "aes-192-ecb", -"2.16.840.1.101.3.4.1.22": "aes-192-cbc", -"2.16.840.1.101.3.4.1.23": "aes-192-ofb", -"2.16.840.1.101.3.4.1.24": "aes-192-cfb", -"2.16.840.1.101.3.4.1.41": "aes-256-ecb", -"2.16.840.1.101.3.4.1.42": "aes-256-cbc", -"2.16.840.1.101.3.4.1.43": "aes-256-ofb", -"2.16.840.1.101.3.4.1.44": "aes-256-cfb" -} -},{}],296:[function(require,module,exports){ -// from https://github.com/indutny/self-signed/blob/gh-pages/lib/asn1.js -// Fedor, you are amazing. -'use strict' - -var asn1 = require('asn1.js') - -exports.certificate = require('./certificate') - -var RSAPrivateKey = asn1.define('RSAPrivateKey', function () { - this.seq().obj( - this.key('version').int(), - this.key('modulus').int(), - this.key('publicExponent').int(), - this.key('privateExponent').int(), - this.key('prime1').int(), - this.key('prime2').int(), - this.key('exponent1').int(), - this.key('exponent2').int(), - this.key('coefficient').int() - ) -}) -exports.RSAPrivateKey = RSAPrivateKey - -var RSAPublicKey = asn1.define('RSAPublicKey', function () { - this.seq().obj( - this.key('modulus').int(), - this.key('publicExponent').int() - ) -}) -exports.RSAPublicKey = RSAPublicKey - -var PublicKey = asn1.define('SubjectPublicKeyInfo', function () { - this.seq().obj( - this.key('algorithm').use(AlgorithmIdentifier), - this.key('subjectPublicKey').bitstr() - ) -}) -exports.PublicKey = PublicKey - -var AlgorithmIdentifier = asn1.define('AlgorithmIdentifier', function () { - this.seq().obj( - this.key('algorithm').objid(), - this.key('none').null_().optional(), - this.key('curve').objid().optional(), - this.key('params').seq().obj( - this.key('p').int(), - this.key('q').int(), - this.key('g').int() - ).optional() - ) -}) - -var PrivateKeyInfo = asn1.define('PrivateKeyInfo', function () { - this.seq().obj( - this.key('version').int(), - this.key('algorithm').use(AlgorithmIdentifier), - this.key('subjectPrivateKey').octstr() - ) -}) -exports.PrivateKey = PrivateKeyInfo -var EncryptedPrivateKeyInfo = asn1.define('EncryptedPrivateKeyInfo', function () { - this.seq().obj( - this.key('algorithm').seq().obj( - this.key('id').objid(), - this.key('decrypt').seq().obj( - this.key('kde').seq().obj( - this.key('id').objid(), - this.key('kdeparams').seq().obj( - this.key('salt').octstr(), - this.key('iters').int() - ) - ), - this.key('cipher').seq().obj( - this.key('algo').objid(), - this.key('iv').octstr() - ) - ) - ), - this.key('subjectPrivateKey').octstr() - ) -}) - -exports.EncryptedPrivateKey = EncryptedPrivateKeyInfo - -var DSAPrivateKey = asn1.define('DSAPrivateKey', function () { - this.seq().obj( - this.key('version').int(), - this.key('p').int(), - this.key('q').int(), - this.key('g').int(), - this.key('pub_key').int(), - this.key('priv_key').int() - ) -}) -exports.DSAPrivateKey = DSAPrivateKey - -exports.DSAparam = asn1.define('DSAparam', function () { - this.int() -}) - -var ECPrivateKey = asn1.define('ECPrivateKey', function () { - this.seq().obj( - this.key('version').int(), - this.key('privateKey').octstr(), - this.key('parameters').optional().explicit(0).use(ECParameters), - this.key('publicKey').optional().explicit(1).bitstr() - ) -}) -exports.ECPrivateKey = ECPrivateKey - -var ECParameters = asn1.define('ECParameters', function () { - this.choice({ - namedCurve: this.objid() - }) -}) - -exports.signature = asn1.define('signature', function () { - this.seq().obj( - this.key('r').int(), - this.key('s').int() - ) -}) - -},{"./certificate":297,"asn1.js":3}],297:[function(require,module,exports){ -// from https://github.com/Rantanen/node-dtls/blob/25a7dc861bda38cfeac93a723500eea4f0ac2e86/Certificate.js -// thanks to @Rantanen - -'use strict' - -var asn = require('asn1.js') - -var Time = asn.define('Time', function () { - this.choice({ - utcTime: this.utctime(), - generalTime: this.gentime() - }) -}) - -var AttributeTypeValue = asn.define('AttributeTypeValue', function () { - this.seq().obj( - this.key('type').objid(), - this.key('value').any() - ) -}) - -var AlgorithmIdentifier = asn.define('AlgorithmIdentifier', function () { - this.seq().obj( - this.key('algorithm').objid(), - this.key('parameters').optional(), - this.key('curve').objid().optional() - ) -}) - -var SubjectPublicKeyInfo = asn.define('SubjectPublicKeyInfo', function () { - this.seq().obj( - this.key('algorithm').use(AlgorithmIdentifier), - this.key('subjectPublicKey').bitstr() - ) -}) - -var RelativeDistinguishedName = asn.define('RelativeDistinguishedName', function () { - this.setof(AttributeTypeValue) -}) - -var RDNSequence = asn.define('RDNSequence', function () { - this.seqof(RelativeDistinguishedName) -}) - -var Name = asn.define('Name', function () { - this.choice({ - rdnSequence: this.use(RDNSequence) - }) -}) - -var Validity = asn.define('Validity', function () { - this.seq().obj( - this.key('notBefore').use(Time), - this.key('notAfter').use(Time) - ) -}) - -var Extension = asn.define('Extension', function () { - this.seq().obj( - this.key('extnID').objid(), - this.key('critical').bool().def(false), - this.key('extnValue').octstr() - ) -}) - -var TBSCertificate = asn.define('TBSCertificate', function () { - this.seq().obj( - this.key('version').explicit(0).int().optional(), - this.key('serialNumber').int(), - this.key('signature').use(AlgorithmIdentifier), - this.key('issuer').use(Name), - this.key('validity').use(Validity), - this.key('subject').use(Name), - this.key('subjectPublicKeyInfo').use(SubjectPublicKeyInfo), - this.key('issuerUniqueID').implicit(1).bitstr().optional(), - this.key('subjectUniqueID').implicit(2).bitstr().optional(), - this.key('extensions').explicit(3).seqof(Extension).optional() - ) -}) - -var X509Certificate = asn.define('X509Certificate', function () { - this.seq().obj( - this.key('tbsCertificate').use(TBSCertificate), - this.key('signatureAlgorithm').use(AlgorithmIdentifier), - this.key('signatureValue').bitstr() - ) -}) - -module.exports = X509Certificate - -},{"asn1.js":3}],298:[function(require,module,exports){ -// adapted from https://github.com/apatil/pemstrip -var findProc = /Proc-Type: 4,ENCRYPTED[\n\r]+DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)[\n\r]+([0-9A-z\n\r+/=]+)[\n\r]+/m -var startRegex = /^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----/m -var fullRegex = /^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----([0-9A-z\n\r+/=]+)-----END \1-----$/m -var evp = require('evp_bytestokey') -var ciphers = require('browserify-aes') -var Buffer = require('safe-buffer').Buffer -module.exports = function (okey, password) { - var key = okey.toString() - var match = key.match(findProc) - var decrypted - if (!match) { - var match2 = key.match(fullRegex) - decrypted = Buffer.from(match2[2].replace(/[\r\n]/g, ''), 'base64') - } else { - var suite = 'aes' + match[1] - var iv = Buffer.from(match[2], 'hex') - var cipherText = Buffer.from(match[3].replace(/[\r\n]/g, ''), 'base64') - var cipherKey = evp(password, iv.slice(0, 8), parseInt(match[1], 10)).key - var out = [] - var cipher = ciphers.createDecipheriv(suite, cipherKey, iv) - out.push(cipher.update(cipherText)) - out.push(cipher.final()) - decrypted = Buffer.concat(out) - } - var tag = key.match(startRegex)[1] - return { - tag: tag, - data: decrypted - } -} - -},{"browserify-aes":70,"evp_bytestokey":182,"safe-buffer":356}],299:[function(require,module,exports){ -var asn1 = require('./asn1') -var aesid = require('./aesid.json') -var fixProc = require('./fixProc') -var ciphers = require('browserify-aes') -var compat = require('pbkdf2') -var Buffer = require('safe-buffer').Buffer -module.exports = parseKeys - -function parseKeys (buffer) { - var password - if (typeof buffer === 'object' && !Buffer.isBuffer(buffer)) { - password = buffer.passphrase - buffer = buffer.key - } - if (typeof buffer === 'string') { - buffer = Buffer.from(buffer) - } - - var stripped = fixProc(buffer, password) - - var type = stripped.tag - var data = stripped.data - var subtype, ndata - switch (type) { - case 'CERTIFICATE': - ndata = asn1.certificate.decode(data, 'der').tbsCertificate.subjectPublicKeyInfo - // falls through - case 'PUBLIC KEY': - if (!ndata) { - ndata = asn1.PublicKey.decode(data, 'der') - } - subtype = ndata.algorithm.algorithm.join('.') - switch (subtype) { - case '1.2.840.113549.1.1.1': - return asn1.RSAPublicKey.decode(ndata.subjectPublicKey.data, 'der') - case '1.2.840.10045.2.1': - ndata.subjectPrivateKey = ndata.subjectPublicKey - return { - type: 'ec', - data: ndata - } - case '1.2.840.10040.4.1': - ndata.algorithm.params.pub_key = asn1.DSAparam.decode(ndata.subjectPublicKey.data, 'der') - return { - type: 'dsa', - data: ndata.algorithm.params - } - default: throw new Error('unknown key id ' + subtype) - } - // throw new Error('unknown key type ' + type) - case 'ENCRYPTED PRIVATE KEY': - data = asn1.EncryptedPrivateKey.decode(data, 'der') - data = decrypt(data, password) - // falls through - case 'PRIVATE KEY': - ndata = asn1.PrivateKey.decode(data, 'der') - subtype = ndata.algorithm.algorithm.join('.') - switch (subtype) { - case '1.2.840.113549.1.1.1': - return asn1.RSAPrivateKey.decode(ndata.subjectPrivateKey, 'der') - case '1.2.840.10045.2.1': - return { - curve: ndata.algorithm.curve, - privateKey: asn1.ECPrivateKey.decode(ndata.subjectPrivateKey, 'der').privateKey - } - case '1.2.840.10040.4.1': - ndata.algorithm.params.priv_key = asn1.DSAparam.decode(ndata.subjectPrivateKey, 'der') - return { - type: 'dsa', - params: ndata.algorithm.params - } - default: throw new Error('unknown key id ' + subtype) - } - // throw new Error('unknown key type ' + type) - case 'RSA PUBLIC KEY': - return asn1.RSAPublicKey.decode(data, 'der') - case 'RSA PRIVATE KEY': - return asn1.RSAPrivateKey.decode(data, 'der') - case 'DSA PRIVATE KEY': - return { - type: 'dsa', - params: asn1.DSAPrivateKey.decode(data, 'der') - } - case 'EC PRIVATE KEY': - data = asn1.ECPrivateKey.decode(data, 'der') - return { - curve: data.parameters.value, - privateKey: data.privateKey - } - default: throw new Error('unknown key type ' + type) - } -} -parseKeys.signature = asn1.signature -function decrypt (data, password) { - var salt = data.algorithm.decrypt.kde.kdeparams.salt - var iters = parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(), 10) - var algo = aesid[data.algorithm.decrypt.cipher.algo.join('.')] - var iv = data.algorithm.decrypt.cipher.iv - var cipherText = data.subjectPrivateKey - var keylen = parseInt(algo.split('-')[1], 10) / 8 - var key = compat.pbkdf2Sync(password, salt, iters, keylen, 'sha1') - var cipher = ciphers.createDecipheriv(algo, key, iv) - var out = [] - out.push(cipher.update(cipherText)) - out.push(cipher.final()) - return Buffer.concat(out) -} - -},{"./aesid.json":295,"./asn1":296,"./fixProc":298,"browserify-aes":70,"pbkdf2":302,"safe-buffer":356}],300:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! parse-torrent. MIT License. WebTorrent LLC */ -/* global Blob */ - -const bencode = require('bencode') -const blobToBuffer = require('blob-to-buffer') -const fs = require('fs') // browser exclude -const get = require('simple-get') -const magnet = require('magnet-uri') -const path = require('path') -const sha1 = require('simple-sha1') -const queueMicrotask = require('queue-microtask') - -module.exports = parseTorrent -module.exports.remote = parseTorrentRemote - -module.exports.toMagnetURI = magnet.encode -module.exports.toTorrentFile = encodeTorrentFile - -/** - * Parse a torrent identifier (magnet uri, .torrent file, info hash) - * @param {string|Buffer|Object} torrentId - * @return {Object} - */ -function parseTorrent (torrentId) { - if (typeof torrentId === 'string' && /^(stream-)?magnet:/.test(torrentId)) { - // if magnet uri (string) - const torrentObj = magnet(torrentId) - - // infoHash won't be defined if a non-bittorrent magnet is passed - if (!torrentObj.infoHash) { - throw new Error('Invalid torrent identifier') - } - - return torrentObj - } else if (typeof torrentId === 'string' && (/^[a-f0-9]{40}$/i.test(torrentId) || /^[a-z2-7]{32}$/i.test(torrentId))) { - // if info hash (hex/base-32 string) - return magnet(`magnet:?xt=urn:btih:${torrentId}`) - } else if (Buffer.isBuffer(torrentId) && torrentId.length === 20) { - // if info hash (buffer) - return magnet(`magnet:?xt=urn:btih:${torrentId.toString('hex')}`) - } else if (Buffer.isBuffer(torrentId)) { - // if .torrent file (buffer) - return decodeTorrentFile(torrentId) // might throw - } else if (torrentId && torrentId.infoHash) { - // if parsed torrent (from `parse-torrent` or `magnet-uri`) - torrentId.infoHash = torrentId.infoHash.toLowerCase() - - if (!torrentId.announce) torrentId.announce = [] - - if (typeof torrentId.announce === 'string') { - torrentId.announce = [torrentId.announce] - } - - if (!torrentId.urlList) torrentId.urlList = [] - - return torrentId - } else { - throw new Error('Invalid torrent identifier') - } -} - -function parseTorrentRemote (torrentId, opts, cb) { - if (typeof opts === 'function') return parseTorrentRemote(torrentId, {}, opts) - if (typeof cb !== 'function') throw new Error('second argument must be a Function') - - let parsedTorrent - try { - parsedTorrent = parseTorrent(torrentId) - } catch (err) { - // If torrent fails to parse, it could be a Blob, http/https URL or - // filesystem path, so don't consider it an error yet. - } - - if (parsedTorrent && parsedTorrent.infoHash) { - queueMicrotask(() => { - cb(null, parsedTorrent) - }) - } else if (isBlob(torrentId)) { - blobToBuffer(torrentId, (err, torrentBuf) => { - if (err) return cb(new Error(`Error converting Blob: ${err.message}`)) - parseOrThrow(torrentBuf) - }) - } else if (typeof get === 'function' && /^https?:/.test(torrentId)) { - // http, or https url to torrent file - opts = Object.assign({ - url: torrentId, - timeout: 30 * 1000, - headers: { 'user-agent': 'WebTorrent (https://webtorrent.io)' } - }, opts) - get.concat(opts, (err, res, torrentBuf) => { - if (err) return cb(new Error(`Error downloading torrent: ${err.message}`)) - parseOrThrow(torrentBuf) - }) - } else if (typeof fs.readFile === 'function' && typeof torrentId === 'string') { - // assume it's a filesystem path - fs.readFile(torrentId, (err, torrentBuf) => { - if (err) return cb(new Error('Invalid torrent identifier')) - parseOrThrow(torrentBuf) - }) - } else { - queueMicrotask(() => { - cb(new Error('Invalid torrent identifier')) - }) - } - - function parseOrThrow (torrentBuf) { - try { - parsedTorrent = parseTorrent(torrentBuf) - } catch (err) { - return cb(err) - } - if (parsedTorrent && parsedTorrent.infoHash) cb(null, parsedTorrent) - else cb(new Error('Invalid torrent identifier')) - } -} - -/** - * Parse a torrent. Throws an exception if the torrent is missing required fields. - * @param {Buffer|Object} torrent - * @return {Object} parsed torrent - */ -function decodeTorrentFile (torrent) { - if (Buffer.isBuffer(torrent)) { - torrent = bencode.decode(torrent) - } - - // sanity check - ensure(torrent.info, 'info') - ensure(torrent.info['name.utf-8'] || torrent.info.name, 'info.name') - ensure(torrent.info['piece length'], 'info[\'piece length\']') - ensure(torrent.info.pieces, 'info.pieces') - - if (torrent.info.files) { - torrent.info.files.forEach(file => { - ensure(typeof file.length === 'number', 'info.files[0].length') - ensure(file['path.utf-8'] || file.path, 'info.files[0].path') - }) - } else { - ensure(typeof torrent.info.length === 'number', 'info.length') - } - - const result = { - info: torrent.info, - infoBuffer: bencode.encode(torrent.info), - name: (torrent.info['name.utf-8'] || torrent.info.name).toString(), - announce: [] - } - - result.infoHash = sha1.sync(result.infoBuffer) - result.infoHashBuffer = Buffer.from(result.infoHash, 'hex') - - if (torrent.info.private !== undefined) result.private = !!torrent.info.private - - if (torrent['creation date']) result.created = new Date(torrent['creation date'] * 1000) - if (torrent['created by']) result.createdBy = torrent['created by'].toString() - - if (Buffer.isBuffer(torrent.comment)) result.comment = torrent.comment.toString() - - // announce and announce-list will be missing if metadata fetched via ut_metadata - if (Array.isArray(torrent['announce-list']) && torrent['announce-list'].length > 0) { - torrent['announce-list'].forEach(urls => { - urls.forEach(url => { - result.announce.push(url.toString()) - }) - }) - } else if (torrent.announce) { - result.announce.push(torrent.announce.toString()) - } - - // handle url-list (BEP19 / web seeding) - if (Buffer.isBuffer(torrent['url-list'])) { - // some clients set url-list to empty string - torrent['url-list'] = torrent['url-list'].length > 0 - ? [torrent['url-list']] - : [] - } - result.urlList = (torrent['url-list'] || []).map(url => url.toString()) - - // remove duplicates by converting to Set and back - result.announce = Array.from(new Set(result.announce)) - result.urlList = Array.from(new Set(result.urlList)) - - const files = torrent.info.files || [torrent.info] - result.files = files.map((file, i) => { - const parts = [].concat(result.name, file['path.utf-8'] || file.path || []).map(p => p.toString()) - return { - path: path.join.apply(null, [path.sep].concat(parts)).slice(1), - name: parts[parts.length - 1], - length: file.length, - offset: files.slice(0, i).reduce(sumLength, 0) - } - }) - - result.length = files.reduce(sumLength, 0) - - const lastFile = result.files[result.files.length - 1] - - result.pieceLength = torrent.info['piece length'] - result.lastPieceLength = ((lastFile.offset + lastFile.length) % result.pieceLength) || result.pieceLength - result.pieces = splitPieces(torrent.info.pieces) - - return result -} - -/** - * Convert a parsed torrent object back into a .torrent file buffer. - * @param {Object} parsed parsed torrent - * @return {Buffer} - */ -function encodeTorrentFile (parsed) { - const torrent = { - info: parsed.info - } - - torrent['announce-list'] = (parsed.announce || []).map(url => { - if (!torrent.announce) torrent.announce = url - url = Buffer.from(url, 'utf8') - return [url] - }) - - torrent['url-list'] = parsed.urlList || [] - - if (parsed.private !== undefined) { - torrent.private = Number(parsed.private) - } - - if (parsed.created) { - torrent['creation date'] = (parsed.created.getTime() / 1000) | 0 - } - - if (parsed.createdBy) { - torrent['created by'] = parsed.createdBy - } - - if (parsed.comment) { - torrent.comment = parsed.comment - } - - return bencode.encode(torrent) -} - -/** - * Check if `obj` is a W3C `Blob` or `File` object - * @param {*} obj - * @return {boolean} - */ -function isBlob (obj) { - return typeof Blob !== 'undefined' && obj instanceof Blob -} - -function sumLength (sum, file) { - return sum + file.length -} - -function splitPieces (buf) { - const pieces = [] - for (let i = 0; i < buf.length; i += 20) { - pieces.push(buf.slice(i, i + 20).toString('hex')) - } - return pieces -} - -function ensure (bool, fieldName) { - if (!bool) throw new Error(`Torrent is missing required field: ${fieldName}`) -} - -// Workaround Browserify v13 bug -// https://github.com/substack/node-browserify/issues/1483 -;(() => { Buffer.alloc(0) })() - -}).call(this)}).call(this,require("buffer").Buffer) -},{"bencode":22,"blob-to-buffer":47,"buffer":110,"fs":67,"magnet-uri":240,"path":301,"queue-microtask":327,"simple-get":369,"simple-sha1":386}],301:[function(require,module,exports){ -(function (process){(function (){ -// 'path' module extracted from Node.js v8.11.1 (only the posix part) -// transplited with Babel - -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -'use strict'; - -function assertPath(path) { - if (typeof path !== 'string') { - throw new TypeError('Path must be a string. Received ' + JSON.stringify(path)); - } -} - -// Resolves . and .. elements in a path with directory names -function normalizeStringPosix(path, allowAboveRoot) { - var res = ''; - var lastSegmentLength = 0; - var lastSlash = -1; - var dots = 0; - var code; - for (var i = 0; i <= path.length; ++i) { - if (i < path.length) - code = path.charCodeAt(i); - else if (code === 47 /*/*/) - break; - else - code = 47 /*/*/; - if (code === 47 /*/*/) { - if (lastSlash === i - 1 || dots === 1) { - // NOOP - } else if (lastSlash !== i - 1 && dots === 2) { - if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== 46 /*.*/ || res.charCodeAt(res.length - 2) !== 46 /*.*/) { - if (res.length > 2) { - var lastSlashIndex = res.lastIndexOf('/'); - if (lastSlashIndex !== res.length - 1) { - if (lastSlashIndex === -1) { - res = ''; - lastSegmentLength = 0; - } else { - res = res.slice(0, lastSlashIndex); - lastSegmentLength = res.length - 1 - res.lastIndexOf('/'); - } - lastSlash = i; - dots = 0; - continue; - } - } else if (res.length === 2 || res.length === 1) { - res = ''; - lastSegmentLength = 0; - lastSlash = i; - dots = 0; - continue; - } - } - if (allowAboveRoot) { - if (res.length > 0) - res += '/..'; - else - res = '..'; - lastSegmentLength = 2; - } - } else { - if (res.length > 0) - res += '/' + path.slice(lastSlash + 1, i); - else - res = path.slice(lastSlash + 1, i); - lastSegmentLength = i - lastSlash - 1; - } - lastSlash = i; - dots = 0; - } else if (code === 46 /*.*/ && dots !== -1) { - ++dots; - } else { - dots = -1; - } - } - return res; -} - -function _format(sep, pathObject) { - var dir = pathObject.dir || pathObject.root; - var base = pathObject.base || (pathObject.name || '') + (pathObject.ext || ''); - if (!dir) { - return base; - } - if (dir === pathObject.root) { - return dir + base; - } - return dir + sep + base; -} - -var posix = { - // path.resolve([from ...], to) - resolve: function resolve() { - var resolvedPath = ''; - var resolvedAbsolute = false; - var cwd; - - for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { - var path; - if (i >= 0) - path = arguments[i]; - else { - if (cwd === undefined) - cwd = process.cwd(); - path = cwd; - } - - assertPath(path); - - // Skip empty entries - if (path.length === 0) { - continue; - } - - resolvedPath = path + '/' + resolvedPath; - resolvedAbsolute = path.charCodeAt(0) === 47 /*/*/; - } - - // At this point the path should be resolved to a full absolute path, but - // handle relative paths to be safe (might happen when process.cwd() fails) - - // Normalize the path - resolvedPath = normalizeStringPosix(resolvedPath, !resolvedAbsolute); - - if (resolvedAbsolute) { - if (resolvedPath.length > 0) - return '/' + resolvedPath; - else - return '/'; - } else if (resolvedPath.length > 0) { - return resolvedPath; - } else { - return '.'; - } - }, - - normalize: function normalize(path) { - assertPath(path); - - if (path.length === 0) return '.'; - - var isAbsolute = path.charCodeAt(0) === 47 /*/*/; - var trailingSeparator = path.charCodeAt(path.length - 1) === 47 /*/*/; - - // Normalize the path - path = normalizeStringPosix(path, !isAbsolute); - - if (path.length === 0 && !isAbsolute) path = '.'; - if (path.length > 0 && trailingSeparator) path += '/'; - - if (isAbsolute) return '/' + path; - return path; - }, - - isAbsolute: function isAbsolute(path) { - assertPath(path); - return path.length > 0 && path.charCodeAt(0) === 47 /*/*/; - }, - - join: function join() { - if (arguments.length === 0) - return '.'; - var joined; - for (var i = 0; i < arguments.length; ++i) { - var arg = arguments[i]; - assertPath(arg); - if (arg.length > 0) { - if (joined === undefined) - joined = arg; - else - joined += '/' + arg; - } - } - if (joined === undefined) - return '.'; - return posix.normalize(joined); - }, - - relative: function relative(from, to) { - assertPath(from); - assertPath(to); - - if (from === to) return ''; - - from = posix.resolve(from); - to = posix.resolve(to); - - if (from === to) return ''; - - // Trim any leading backslashes - var fromStart = 1; - for (; fromStart < from.length; ++fromStart) { - if (from.charCodeAt(fromStart) !== 47 /*/*/) - break; - } - var fromEnd = from.length; - var fromLen = fromEnd - fromStart; - - // Trim any leading backslashes - var toStart = 1; - for (; toStart < to.length; ++toStart) { - if (to.charCodeAt(toStart) !== 47 /*/*/) - break; - } - var toEnd = to.length; - var toLen = toEnd - toStart; - - // Compare paths to find the longest common path from root - var length = fromLen < toLen ? fromLen : toLen; - var lastCommonSep = -1; - var i = 0; - for (; i <= length; ++i) { - if (i === length) { - if (toLen > length) { - if (to.charCodeAt(toStart + i) === 47 /*/*/) { - // We get here if `from` is the exact base path for `to`. - // For example: from='/foo/bar'; to='/foo/bar/baz' - return to.slice(toStart + i + 1); - } else if (i === 0) { - // We get here if `from` is the root - // For example: from='/'; to='/foo' - return to.slice(toStart + i); - } - } else if (fromLen > length) { - if (from.charCodeAt(fromStart + i) === 47 /*/*/) { - // We get here if `to` is the exact base path for `from`. - // For example: from='/foo/bar/baz'; to='/foo/bar' - lastCommonSep = i; - } else if (i === 0) { - // We get here if `to` is the root. - // For example: from='/foo'; to='/' - lastCommonSep = 0; - } - } - break; - } - var fromCode = from.charCodeAt(fromStart + i); - var toCode = to.charCodeAt(toStart + i); - if (fromCode !== toCode) - break; - else if (fromCode === 47 /*/*/) - lastCommonSep = i; - } - - var out = ''; - // Generate the relative path based on the path difference between `to` - // and `from` - for (i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i) { - if (i === fromEnd || from.charCodeAt(i) === 47 /*/*/) { - if (out.length === 0) - out += '..'; - else - out += '/..'; - } - } - - // Lastly, append the rest of the destination (`to`) path that comes after - // the common path parts - if (out.length > 0) - return out + to.slice(toStart + lastCommonSep); - else { - toStart += lastCommonSep; - if (to.charCodeAt(toStart) === 47 /*/*/) - ++toStart; - return to.slice(toStart); - } - }, - - _makeLong: function _makeLong(path) { - return path; - }, - - dirname: function dirname(path) { - assertPath(path); - if (path.length === 0) return '.'; - var code = path.charCodeAt(0); - var hasRoot = code === 47 /*/*/; - var end = -1; - var matchedSlash = true; - for (var i = path.length - 1; i >= 1; --i) { - code = path.charCodeAt(i); - if (code === 47 /*/*/) { - if (!matchedSlash) { - end = i; - break; - } - } else { - // We saw the first non-path separator - matchedSlash = false; - } - } - - if (end === -1) return hasRoot ? '/' : '.'; - if (hasRoot && end === 1) return '//'; - return path.slice(0, end); - }, - - basename: function basename(path, ext) { - if (ext !== undefined && typeof ext !== 'string') throw new TypeError('"ext" argument must be a string'); - assertPath(path); - - var start = 0; - var end = -1; - var matchedSlash = true; - var i; - - if (ext !== undefined && ext.length > 0 && ext.length <= path.length) { - if (ext.length === path.length && ext === path) return ''; - var extIdx = ext.length - 1; - var firstNonSlashEnd = -1; - for (i = path.length - 1; i >= 0; --i) { - var code = path.charCodeAt(i); - if (code === 47 /*/*/) { - // If we reached a path separator that was not part of a set of path - // separators at the end of the string, stop now - if (!matchedSlash) { - start = i + 1; - break; - } - } else { - if (firstNonSlashEnd === -1) { - // We saw the first non-path separator, remember this index in case - // we need it if the extension ends up not matching - matchedSlash = false; - firstNonSlashEnd = i + 1; - } - if (extIdx >= 0) { - // Try to match the explicit extension - if (code === ext.charCodeAt(extIdx)) { - if (--extIdx === -1) { - // We matched the extension, so mark this as the end of our path - // component - end = i; - } - } else { - // Extension does not match, so our result is the entire path - // component - extIdx = -1; - end = firstNonSlashEnd; - } - } - } - } - - if (start === end) end = firstNonSlashEnd;else if (end === -1) end = path.length; - return path.slice(start, end); - } else { - for (i = path.length - 1; i >= 0; --i) { - if (path.charCodeAt(i) === 47 /*/*/) { - // If we reached a path separator that was not part of a set of path - // separators at the end of the string, stop now - if (!matchedSlash) { - start = i + 1; - break; - } - } else if (end === -1) { - // We saw the first non-path separator, mark this as the end of our - // path component - matchedSlash = false; - end = i + 1; - } - } - - if (end === -1) return ''; - return path.slice(start, end); - } - }, - - extname: function extname(path) { - assertPath(path); - var startDot = -1; - var startPart = 0; - var end = -1; - var matchedSlash = true; - // Track the state of characters (if any) we see before our first dot and - // after any path separator we find - var preDotState = 0; - for (var i = path.length - 1; i >= 0; --i) { - var code = path.charCodeAt(i); - if (code === 47 /*/*/) { - // If we reached a path separator that was not part of a set of path - // separators at the end of the string, stop now - if (!matchedSlash) { - startPart = i + 1; - break; - } - continue; - } - if (end === -1) { - // We saw the first non-path separator, mark this as the end of our - // extension - matchedSlash = false; - end = i + 1; - } - if (code === 46 /*.*/) { - // If this is our first dot, mark it as the start of our extension - if (startDot === -1) - startDot = i; - else if (preDotState !== 1) - preDotState = 1; - } else if (startDot !== -1) { - // We saw a non-dot and non-path separator before our dot, so we should - // have a good chance at having a non-empty extension - preDotState = -1; - } - } - - if (startDot === -1 || end === -1 || - // We saw a non-dot character immediately before the dot - preDotState === 0 || - // The (right-most) trimmed path component is exactly '..' - preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { - return ''; - } - return path.slice(startDot, end); - }, - - format: function format(pathObject) { - if (pathObject === null || typeof pathObject !== 'object') { - throw new TypeError('The "pathObject" argument must be of type Object. Received type ' + typeof pathObject); - } - return _format('/', pathObject); - }, - - parse: function parse(path) { - assertPath(path); - - var ret = { root: '', dir: '', base: '', ext: '', name: '' }; - if (path.length === 0) return ret; - var code = path.charCodeAt(0); - var isAbsolute = code === 47 /*/*/; - var start; - if (isAbsolute) { - ret.root = '/'; - start = 1; - } else { - start = 0; - } - var startDot = -1; - var startPart = 0; - var end = -1; - var matchedSlash = true; - var i = path.length - 1; - - // Track the state of characters (if any) we see before our first dot and - // after any path separator we find - var preDotState = 0; - - // Get non-dir info - for (; i >= start; --i) { - code = path.charCodeAt(i); - if (code === 47 /*/*/) { - // If we reached a path separator that was not part of a set of path - // separators at the end of the string, stop now - if (!matchedSlash) { - startPart = i + 1; - break; - } - continue; - } - if (end === -1) { - // We saw the first non-path separator, mark this as the end of our - // extension - matchedSlash = false; - end = i + 1; - } - if (code === 46 /*.*/) { - // If this is our first dot, mark it as the start of our extension - if (startDot === -1) startDot = i;else if (preDotState !== 1) preDotState = 1; - } else if (startDot !== -1) { - // We saw a non-dot and non-path separator before our dot, so we should - // have a good chance at having a non-empty extension - preDotState = -1; - } - } - - if (startDot === -1 || end === -1 || - // We saw a non-dot character immediately before the dot - preDotState === 0 || - // The (right-most) trimmed path component is exactly '..' - preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { - if (end !== -1) { - if (startPart === 0 && isAbsolute) ret.base = ret.name = path.slice(1, end);else ret.base = ret.name = path.slice(startPart, end); - } - } else { - if (startPart === 0 && isAbsolute) { - ret.name = path.slice(1, startDot); - ret.base = path.slice(1, end); - } else { - ret.name = path.slice(startPart, startDot); - ret.base = path.slice(startPart, end); - } - ret.ext = path.slice(startDot, end); - } - - if (startPart > 0) ret.dir = path.slice(0, startPart - 1);else if (isAbsolute) ret.dir = '/'; - - return ret; - }, - - sep: '/', - delimiter: ':', - win32: null, - posix: null -}; - -posix.posix = posix; - -module.exports = posix; - -}).call(this)}).call(this,require('_process')) -},{"_process":309}],302:[function(require,module,exports){ -exports.pbkdf2 = require('./lib/async') -exports.pbkdf2Sync = require('./lib/sync') - -},{"./lib/async":303,"./lib/sync":306}],303:[function(require,module,exports){ -(function (global){(function (){ -var Buffer = require('safe-buffer').Buffer - -var checkParameters = require('./precondition') -var defaultEncoding = require('./default-encoding') -var sync = require('./sync') -var toBuffer = require('./to-buffer') - -var ZERO_BUF -var subtle = global.crypto && global.crypto.subtle -var toBrowser = { - sha: 'SHA-1', - 'sha-1': 'SHA-1', - sha1: 'SHA-1', - sha256: 'SHA-256', - 'sha-256': 'SHA-256', - sha384: 'SHA-384', - 'sha-384': 'SHA-384', - 'sha-512': 'SHA-512', - sha512: 'SHA-512' -} -var checks = [] -function checkNative (algo) { - if (global.process && !global.process.browser) { - return Promise.resolve(false) - } - if (!subtle || !subtle.importKey || !subtle.deriveBits) { - return Promise.resolve(false) - } - if (checks[algo] !== undefined) { - return checks[algo] - } - ZERO_BUF = ZERO_BUF || Buffer.alloc(8) - var prom = browserPbkdf2(ZERO_BUF, ZERO_BUF, 10, 128, algo) - .then(function () { - return true - }).catch(function () { - return false - }) - checks[algo] = prom - return prom -} -var nextTick -function getNextTick () { - if (nextTick) { - return nextTick - } - if (global.process && global.process.nextTick) { - nextTick = global.process.nextTick - } else if (global.queueMicrotask) { - nextTick = global.queueMicrotask - } else if (global.setImmediate) { - nextTick = global.setImmediate - } else { - nextTick = global.setTimeout - } - return nextTick -} -function browserPbkdf2 (password, salt, iterations, length, algo) { - return subtle.importKey( - 'raw', password, { name: 'PBKDF2' }, false, ['deriveBits'] - ).then(function (key) { - return subtle.deriveBits({ - name: 'PBKDF2', - salt: salt, - iterations: iterations, - hash: { - name: algo - } - }, key, length << 3) - }).then(function (res) { - return Buffer.from(res) - }) -} - -function resolvePromise (promise, callback) { - promise.then(function (out) { - getNextTick()(function () { - callback(null, out) - }) - }, function (e) { - getNextTick()(function () { - callback(e) - }) - }) -} -module.exports = function (password, salt, iterations, keylen, digest, callback) { - if (typeof digest === 'function') { - callback = digest - digest = undefined - } - - digest = digest || 'sha1' - var algo = toBrowser[digest.toLowerCase()] - - if (!algo || typeof global.Promise !== 'function') { - getNextTick()(function () { - var out - try { - out = sync(password, salt, iterations, keylen, digest) - } catch (e) { - return callback(e) - } - callback(null, out) - }) - return - } - - checkParameters(iterations, keylen) - password = toBuffer(password, defaultEncoding, 'Password') - salt = toBuffer(salt, defaultEncoding, 'Salt') - if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2') - - resolvePromise(checkNative(algo).then(function (resp) { - if (resp) return browserPbkdf2(password, salt, iterations, keylen, algo) - - return sync(password, salt, iterations, keylen, digest) - }), callback) -} - -}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"./default-encoding":304,"./precondition":305,"./sync":306,"./to-buffer":307,"safe-buffer":356}],304:[function(require,module,exports){ -(function (process,global){(function (){ -var defaultEncoding -/* istanbul ignore next */ -if (global.process && global.process.browser) { - defaultEncoding = 'utf-8' -} else if (global.process && global.process.version) { - var pVersionMajor = parseInt(process.version.split('.')[0].slice(1), 10) - - defaultEncoding = pVersionMajor >= 6 ? 'utf-8' : 'binary' -} else { - defaultEncoding = 'utf-8' -} -module.exports = defaultEncoding - -}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"_process":309}],305:[function(require,module,exports){ -var MAX_ALLOC = Math.pow(2, 30) - 1 // default in iojs - -module.exports = function (iterations, keylen) { - if (typeof iterations !== 'number') { - throw new TypeError('Iterations not a number') - } - - if (iterations < 0) { - throw new TypeError('Bad iterations') - } - - if (typeof keylen !== 'number') { - throw new TypeError('Key length not a number') - } - - if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */ - throw new TypeError('Bad key length') - } -} - -},{}],306:[function(require,module,exports){ -var md5 = require('create-hash/md5') -var RIPEMD160 = require('ripemd160') -var sha = require('sha.js') -var Buffer = require('safe-buffer').Buffer - -var checkParameters = require('./precondition') -var defaultEncoding = require('./default-encoding') -var toBuffer = require('./to-buffer') - -var ZEROS = Buffer.alloc(128) -var sizes = { - md5: 16, - sha1: 20, - sha224: 28, - sha256: 32, - sha384: 48, - sha512: 64, - rmd160: 20, - ripemd160: 20 -} - -function Hmac (alg, key, saltLen) { - var hash = getDigest(alg) - var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64 - - if (key.length > blocksize) { - key = hash(key) - } else if (key.length < blocksize) { - key = Buffer.concat([key, ZEROS], blocksize) - } - - var ipad = Buffer.allocUnsafe(blocksize + sizes[alg]) - var opad = Buffer.allocUnsafe(blocksize + sizes[alg]) - for (var i = 0; i < blocksize; i++) { - ipad[i] = key[i] ^ 0x36 - opad[i] = key[i] ^ 0x5C - } - - var ipad1 = Buffer.allocUnsafe(blocksize + saltLen + 4) - ipad.copy(ipad1, 0, 0, blocksize) - this.ipad1 = ipad1 - this.ipad2 = ipad - this.opad = opad - this.alg = alg - this.blocksize = blocksize - this.hash = hash - this.size = sizes[alg] -} - -Hmac.prototype.run = function (data, ipad) { - data.copy(ipad, this.blocksize) - var h = this.hash(ipad) - h.copy(this.opad, this.blocksize) - return this.hash(this.opad) -} - -function getDigest (alg) { - function shaFunc (data) { - return sha(alg).update(data).digest() - } - function rmd160Func (data) { - return new RIPEMD160().update(data).digest() - } - - if (alg === 'rmd160' || alg === 'ripemd160') return rmd160Func - if (alg === 'md5') return md5 - return shaFunc -} - -function pbkdf2 (password, salt, iterations, keylen, digest) { - checkParameters(iterations, keylen) - password = toBuffer(password, defaultEncoding, 'Password') - salt = toBuffer(salt, defaultEncoding, 'Salt') - - digest = digest || 'sha1' - - var hmac = new Hmac(digest, password, salt.length) - - var DK = Buffer.allocUnsafe(keylen) - var block1 = Buffer.allocUnsafe(salt.length + 4) - salt.copy(block1, 0, 0, salt.length) - - var destPos = 0 - var hLen = sizes[digest] - var l = Math.ceil(keylen / hLen) - - for (var i = 1; i <= l; i++) { - block1.writeUInt32BE(i, salt.length) - - var T = hmac.run(block1, hmac.ipad1) - var U = T - - for (var j = 1; j < iterations; j++) { - U = hmac.run(U, hmac.ipad2) - for (var k = 0; k < hLen; k++) T[k] ^= U[k] - } - - T.copy(DK, destPos) - destPos += hLen - } - - return DK -} - -module.exports = pbkdf2 - -},{"./default-encoding":304,"./precondition":305,"./to-buffer":307,"create-hash/md5":143,"ripemd160":352,"safe-buffer":356,"sha.js":360}],307:[function(require,module,exports){ -var Buffer = require('safe-buffer').Buffer - -module.exports = function (thing, encoding, name) { - if (Buffer.isBuffer(thing)) { - return thing - } else if (typeof thing === 'string') { - return Buffer.from(thing, encoding) - } else if (ArrayBuffer.isView(thing)) { - return Buffer.from(thing.buffer) - } else { - throw new TypeError(name + ' must be a string, a Buffer, a typed array or a DataView') - } -} - -},{"safe-buffer":356}],308:[function(require,module,exports){ -module.exports = length - -function length (bytes) { - return Math.max(16384, 1 << Math.log2(bytes < 1024 ? 1 : bytes / 1024) + 0.5 | 0) -} - -},{}],309:[function(require,module,exports){ -// shim for using process in browser -var process = module.exports = {}; - -// cached from whatever global is present so that test runners that stub it -// don't break things. But we need to wrap it in a try catch in case it is -// wrapped in strict mode code which doesn't define any globals. It's inside a -// function because try/catches deoptimize in certain engines. - -var cachedSetTimeout; -var cachedClearTimeout; - -function defaultSetTimout() { - throw new Error('setTimeout has not been defined'); -} -function defaultClearTimeout () { - throw new Error('clearTimeout has not been defined'); -} -(function () { - try { - if (typeof setTimeout === 'function') { - cachedSetTimeout = setTimeout; - } else { - cachedSetTimeout = defaultSetTimout; - } - } catch (e) { - cachedSetTimeout = defaultSetTimout; - } - try { - if (typeof clearTimeout === 'function') { - cachedClearTimeout = clearTimeout; - } else { - cachedClearTimeout = defaultClearTimeout; - } - } catch (e) { - cachedClearTimeout = defaultClearTimeout; - } -} ()) -function runTimeout(fun) { - if (cachedSetTimeout === setTimeout) { - //normal enviroments in sane situations - return setTimeout(fun, 0); - } - // if setTimeout wasn't available but was latter defined - if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { - cachedSetTimeout = setTimeout; - return setTimeout(fun, 0); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedSetTimeout(fun, 0); - } catch(e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedSetTimeout.call(null, fun, 0); - } catch(e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error - return cachedSetTimeout.call(this, fun, 0); - } - } - - -} -function runClearTimeout(marker) { - if (cachedClearTimeout === clearTimeout) { - //normal enviroments in sane situations - return clearTimeout(marker); - } - // if clearTimeout wasn't available but was latter defined - if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { - cachedClearTimeout = clearTimeout; - return clearTimeout(marker); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedClearTimeout(marker); - } catch (e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedClearTimeout.call(null, marker); - } catch (e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. - // Some versions of I.E. have different rules for clearTimeout vs setTimeout - return cachedClearTimeout.call(this, marker); - } - } - - - -} -var queue = []; -var draining = false; -var currentQueue; -var queueIndex = -1; - -function cleanUpNextTick() { - if (!draining || !currentQueue) { - return; - } - draining = false; - if (currentQueue.length) { - queue = currentQueue.concat(queue); - } else { - queueIndex = -1; - } - if (queue.length) { - drainQueue(); - } -} - -function drainQueue() { - if (draining) { - return; - } - var timeout = runTimeout(cleanUpNextTick); - draining = true; - - var len = queue.length; - while(len) { - currentQueue = queue; - queue = []; - while (++queueIndex < len) { - if (currentQueue) { - currentQueue[queueIndex].run(); - } - } - queueIndex = -1; - len = queue.length; - } - currentQueue = null; - draining = false; - runClearTimeout(timeout); -} - -process.nextTick = function (fun) { - var args = new Array(arguments.length - 1); - if (arguments.length > 1) { - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } - } - queue.push(new Item(fun, args)); - if (queue.length === 1 && !draining) { - runTimeout(drainQueue); - } -}; - -// v8 likes predictible objects -function Item(fun, array) { - this.fun = fun; - this.array = array; -} -Item.prototype.run = function () { - this.fun.apply(null, this.array); -}; -process.title = 'browser'; -process.browser = true; -process.env = {}; -process.argv = []; -process.version = ''; // empty string to avoid regexp issues -process.versions = {}; - -function noop() {} - -process.on = noop; -process.addListener = noop; -process.once = noop; -process.off = noop; -process.removeListener = noop; -process.removeAllListeners = noop; -process.emit = noop; -process.prependListener = noop; -process.prependOnceListener = noop; - -process.listeners = function (name) { return [] } - -process.binding = function (name) { - throw new Error('process.binding is not supported'); -}; - -process.cwd = function () { return '/' }; -process.chdir = function (dir) { - throw new Error('process.chdir is not supported'); -}; -process.umask = function() { return 0; }; - -},{}],310:[function(require,module,exports){ -exports.publicEncrypt = require('./publicEncrypt') -exports.privateDecrypt = require('./privateDecrypt') - -exports.privateEncrypt = function privateEncrypt (key, buf) { - return exports.publicEncrypt(key, buf, true) -} - -exports.publicDecrypt = function publicDecrypt (key, buf) { - return exports.privateDecrypt(key, buf, true) -} - -},{"./privateDecrypt":313,"./publicEncrypt":314}],311:[function(require,module,exports){ -var createHash = require('create-hash') -var Buffer = require('safe-buffer').Buffer - -module.exports = function (seed, len) { - var t = Buffer.alloc(0) - var i = 0 - var c - while (t.length < len) { - c = i2ops(i++) - t = Buffer.concat([t, createHash('sha1').update(seed).update(c).digest()]) - } - return t.slice(0, len) -} - -function i2ops (c) { - var out = Buffer.allocUnsafe(4) - out.writeUInt32BE(c, 0) - return out -} - -},{"create-hash":142,"safe-buffer":356}],312:[function(require,module,exports){ -arguments[4][17][0].apply(exports,arguments) -},{"buffer":67,"dup":17}],313:[function(require,module,exports){ -var parseKeys = require('parse-asn1') -var mgf = require('./mgf') -var xor = require('./xor') -var BN = require('bn.js') -var crt = require('browserify-rsa') -var createHash = require('create-hash') -var withPublic = require('./withPublic') -var Buffer = require('safe-buffer').Buffer - -module.exports = function privateDecrypt (privateKey, enc, reverse) { - var padding - if (privateKey.padding) { - padding = privateKey.padding - } else if (reverse) { - padding = 1 - } else { - padding = 4 - } - - var key = parseKeys(privateKey) - var k = key.modulus.byteLength() - if (enc.length > k || new BN(enc).cmp(key.modulus) >= 0) { - throw new Error('decryption error') - } - var msg - if (reverse) { - msg = withPublic(new BN(enc), key) - } else { - msg = crt(enc, key) - } - var zBuffer = Buffer.alloc(k - msg.length) - msg = Buffer.concat([zBuffer, msg], k) - if (padding === 4) { - return oaep(key, msg) - } else if (padding === 1) { - return pkcs1(key, msg, reverse) - } else if (padding === 3) { - return msg - } else { - throw new Error('unknown padding') - } -} - -function oaep (key, msg) { - var k = key.modulus.byteLength() - var iHash = createHash('sha1').update(Buffer.alloc(0)).digest() - var hLen = iHash.length - if (msg[0] !== 0) { - throw new Error('decryption error') - } - var maskedSeed = msg.slice(1, hLen + 1) - var maskedDb = msg.slice(hLen + 1) - var seed = xor(maskedSeed, mgf(maskedDb, hLen)) - var db = xor(maskedDb, mgf(seed, k - hLen - 1)) - if (compare(iHash, db.slice(0, hLen))) { - throw new Error('decryption error') - } - var i = hLen - while (db[i] === 0) { - i++ - } - if (db[i++] !== 1) { - throw new Error('decryption error') - } - return db.slice(i) -} - -function pkcs1 (key, msg, reverse) { - var p1 = msg.slice(0, 2) - var i = 2 - var status = 0 - while (msg[i++] !== 0) { - if (i >= msg.length) { - status++ - break - } - } - var ps = msg.slice(2, i - 1) - - if ((p1.toString('hex') !== '0002' && !reverse) || (p1.toString('hex') !== '0001' && reverse)) { - status++ - } - if (ps.length < 8) { - status++ - } - if (status) { - throw new Error('decryption error') - } - return msg.slice(i) -} -function compare (a, b) { - a = Buffer.from(a) - b = Buffer.from(b) - var dif = 0 - var len = a.length - if (a.length !== b.length) { - dif++ - len = Math.min(a.length, b.length) - } - var i = -1 - while (++i < len) { - dif += (a[i] ^ b[i]) - } - return dif -} - -},{"./mgf":311,"./withPublic":315,"./xor":316,"bn.js":312,"browserify-rsa":88,"create-hash":142,"parse-asn1":299,"safe-buffer":356}],314:[function(require,module,exports){ -var parseKeys = require('parse-asn1') -var randomBytes = require('randombytes') -var createHash = require('create-hash') -var mgf = require('./mgf') -var xor = require('./xor') -var BN = require('bn.js') -var withPublic = require('./withPublic') -var crt = require('browserify-rsa') -var Buffer = require('safe-buffer').Buffer - -module.exports = function publicEncrypt (publicKey, msg, reverse) { - var padding - if (publicKey.padding) { - padding = publicKey.padding - } else if (reverse) { - padding = 1 - } else { - padding = 4 - } - var key = parseKeys(publicKey) - var paddedMsg - if (padding === 4) { - paddedMsg = oaep(key, msg) - } else if (padding === 1) { - paddedMsg = pkcs1(key, msg, reverse) - } else if (padding === 3) { - paddedMsg = new BN(msg) - if (paddedMsg.cmp(key.modulus) >= 0) { - throw new Error('data too long for modulus') - } - } else { - throw new Error('unknown padding') - } - if (reverse) { - return crt(paddedMsg, key) - } else { - return withPublic(paddedMsg, key) - } -} - -function oaep (key, msg) { - var k = key.modulus.byteLength() - var mLen = msg.length - var iHash = createHash('sha1').update(Buffer.alloc(0)).digest() - var hLen = iHash.length - var hLen2 = 2 * hLen - if (mLen > k - hLen2 - 2) { - throw new Error('message too long') - } - var ps = Buffer.alloc(k - mLen - hLen2 - 2) - var dblen = k - hLen - 1 - var seed = randomBytes(hLen) - var maskedDb = xor(Buffer.concat([iHash, ps, Buffer.alloc(1, 1), msg], dblen), mgf(seed, dblen)) - var maskedSeed = xor(seed, mgf(maskedDb, hLen)) - return new BN(Buffer.concat([Buffer.alloc(1), maskedSeed, maskedDb], k)) -} -function pkcs1 (key, msg, reverse) { - var mLen = msg.length - var k = key.modulus.byteLength() - if (mLen > k - 11) { - throw new Error('message too long') - } - var ps - if (reverse) { - ps = Buffer.alloc(k - mLen - 3, 0xff) - } else { - ps = nonZero(k - mLen - 3) - } - return new BN(Buffer.concat([Buffer.from([0, reverse ? 1 : 2]), ps, Buffer.alloc(1), msg], k)) -} -function nonZero (len) { - var out = Buffer.allocUnsafe(len) - var i = 0 - var cache = randomBytes(len * 2) - var cur = 0 - var num - while (i < len) { - if (cur === cache.length) { - cache = randomBytes(len * 2) - cur = 0 - } - num = cache[cur++] - if (num) { - out[i++] = num - } - } - return out -} - -},{"./mgf":311,"./withPublic":315,"./xor":316,"bn.js":312,"browserify-rsa":88,"create-hash":142,"parse-asn1":299,"randombytes":330,"safe-buffer":356}],315:[function(require,module,exports){ -var BN = require('bn.js') -var Buffer = require('safe-buffer').Buffer - -function withPublic (paddedMsg, key) { - return Buffer.from(paddedMsg - .toRed(BN.mont(key.modulus)) - .redPow(new BN(key.publicExponent)) - .fromRed() - .toArray()) -} - -module.exports = withPublic - -},{"bn.js":312,"safe-buffer":356}],316:[function(require,module,exports){ -module.exports = function xor (a, b) { - var len = a.length - var i = -1 - while (++i < len) { - a[i] ^= b[i] - } - return a -} - -},{}],317:[function(require,module,exports){ -(function (process){(function (){ -var once = require('once') -var eos = require('end-of-stream') -var fs = require('fs') // we only need fs to get the ReadStream and WriteStream prototypes - -var noop = function () {} -var ancient = /^v?\.0/.test(process.version) - -var isFn = function (fn) { - return typeof fn === 'function' -} - -var isFS = function (stream) { - if (!ancient) return false // newer node version do not need to care about fs is a special way - if (!fs) return false // browser - return (stream instanceof (fs.ReadStream || noop) || stream instanceof (fs.WriteStream || noop)) && isFn(stream.close) -} - -var isRequest = function (stream) { - return stream.setHeader && isFn(stream.abort) -} - -var destroyer = function (stream, reading, writing, callback) { - callback = once(callback) - - var closed = false - stream.on('close', function () { - closed = true - }) - - eos(stream, {readable: reading, writable: writing}, function (err) { - if (err) return callback(err) - closed = true - callback() - }) - - var destroyed = false - return function (err) { - if (closed) return - if (destroyed) return - destroyed = true - - if (isFS(stream)) return stream.close(noop) // use close for fs streams to avoid fd leaks - if (isRequest(stream)) return stream.abort() // request.destroy just do .end - .abort is what we want - - if (isFn(stream.destroy)) return stream.destroy() - - callback(err || new Error('stream was destroyed')) - } -} - -var call = function (fn) { - fn() -} - -var pipe = function (from, to) { - return from.pipe(to) -} - -var pump = function () { - var streams = Array.prototype.slice.call(arguments) - var callback = isFn(streams[streams.length - 1] || noop) && streams.pop() || noop - - if (Array.isArray(streams[0])) streams = streams[0] - if (streams.length < 2) throw new Error('pump requires two streams per minimum') - - var error - var destroys = streams.map(function (stream, i) { - var reading = i < streams.length - 1 - var writing = i > 0 - return destroyer(stream, reading, writing, function (err) { - if (!error) error = err - if (err) destroys.forEach(call) - if (reading) return - destroys.forEach(call) - callback(error) - }) - }) - - return streams.reduce(pipe) -} - -module.exports = pump - -}).call(this)}).call(this,require('_process')) -},{"_process":309,"end-of-stream":179,"fs":67,"once":294}],318:[function(require,module,exports){ -(function (global){(function (){ -/*! https://mths.be/punycode v1.4.1 by @mathias */ -;(function(root) { - - /** Detect free variables */ - var freeExports = typeof exports == 'object' && exports && - !exports.nodeType && exports; - var freeModule = typeof module == 'object' && module && - !module.nodeType && module; - var freeGlobal = typeof global == 'object' && global; - if ( - freeGlobal.global === freeGlobal || - freeGlobal.window === freeGlobal || - freeGlobal.self === freeGlobal - ) { - root = freeGlobal; - } - - /** - * The `punycode` object. - * @name punycode - * @type Object - */ - var punycode, - - /** Highest positive signed 32-bit float value */ - maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1 - - /** Bootstring parameters */ - base = 36, - tMin = 1, - tMax = 26, - skew = 38, - damp = 700, - initialBias = 72, - initialN = 128, // 0x80 - delimiter = '-', // '\x2D' - - /** Regular expressions */ - regexPunycode = /^xn--/, - regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars - regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators - - /** Error messages */ - errors = { - 'overflow': 'Overflow: input needs wider integers to process', - 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', - 'invalid-input': 'Invalid input' - }, - - /** Convenience shortcuts */ - baseMinusTMin = base - tMin, - floor = Math.floor, - stringFromCharCode = String.fromCharCode, - - /** Temporary variable */ - key; - - /*--------------------------------------------------------------------------*/ - - /** - * A generic error utility function. - * @private - * @param {String} type The error type. - * @returns {Error} Throws a `RangeError` with the applicable error message. - */ - function error(type) { - throw new RangeError(errors[type]); - } - - /** - * A generic `Array#map` utility function. - * @private - * @param {Array} array The array to iterate over. - * @param {Function} callback The function that gets called for every array - * item. - * @returns {Array} A new array of values returned by the callback function. - */ - function map(array, fn) { - var length = array.length; - var result = []; - while (length--) { - result[length] = fn(array[length]); - } - return result; - } - - /** - * A simple `Array#map`-like wrapper to work with domain name strings or email - * addresses. - * @private - * @param {String} domain The domain name or email address. - * @param {Function} callback The function that gets called for every - * character. - * @returns {Array} A new string of characters returned by the callback - * function. - */ - function mapDomain(string, fn) { - var parts = string.split('@'); - var result = ''; - if (parts.length > 1) { - // In email addresses, only the domain name should be punycoded. Leave - // the local part (i.e. everything up to `@`) intact. - result = parts[0] + '@'; - string = parts[1]; - } - // Avoid `split(regex)` for IE8 compatibility. See #17. - string = string.replace(regexSeparators, '\x2E'); - var labels = string.split('.'); - var encoded = map(labels, fn).join('.'); - return result + encoded; - } - - /** - * Creates an array containing the numeric code points of each Unicode - * character in the string. While JavaScript uses UCS-2 internally, - * this function will convert a pair of surrogate halves (each of which - * UCS-2 exposes as separate characters) into a single code point, - * matching UTF-16. - * @see `punycode.ucs2.encode` - * @see - * @memberOf punycode.ucs2 - * @name decode - * @param {String} string The Unicode input string (UCS-2). - * @returns {Array} The new array of code points. - */ - function ucs2decode(string) { - var output = [], - counter = 0, - length = string.length, - value, - extra; - while (counter < length) { - value = string.charCodeAt(counter++); - if (value >= 0xD800 && value <= 0xDBFF && counter < length) { - // high surrogate, and there is a next character - extra = string.charCodeAt(counter++); - if ((extra & 0xFC00) == 0xDC00) { // low surrogate - output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); - } else { - // unmatched surrogate; only append this code unit, in case the next - // code unit is the high surrogate of a surrogate pair - output.push(value); - counter--; - } - } else { - output.push(value); - } - } - return output; - } - - /** - * Creates a string based on an array of numeric code points. - * @see `punycode.ucs2.decode` - * @memberOf punycode.ucs2 - * @name encode - * @param {Array} codePoints The array of numeric code points. - * @returns {String} The new Unicode string (UCS-2). - */ - function ucs2encode(array) { - return map(array, function(value) { - var output = ''; - if (value > 0xFFFF) { - value -= 0x10000; - output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); - value = 0xDC00 | value & 0x3FF; - } - output += stringFromCharCode(value); - return output; - }).join(''); - } - - /** - * Converts a basic code point into a digit/integer. - * @see `digitToBasic()` - * @private - * @param {Number} codePoint The basic numeric code point value. - * @returns {Number} The numeric value of a basic code point (for use in - * representing integers) in the range `0` to `base - 1`, or `base` if - * the code point does not represent a value. - */ - function basicToDigit(codePoint) { - if (codePoint - 48 < 10) { - return codePoint - 22; - } - if (codePoint - 65 < 26) { - return codePoint - 65; - } - if (codePoint - 97 < 26) { - return codePoint - 97; - } - return base; - } - - /** - * Converts a digit/integer into a basic code point. - * @see `basicToDigit()` - * @private - * @param {Number} digit The numeric value of a basic code point. - * @returns {Number} The basic code point whose value (when used for - * representing integers) is `digit`, which needs to be in the range - * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is - * used; else, the lowercase form is used. The behavior is undefined - * if `flag` is non-zero and `digit` has no uppercase form. - */ - function digitToBasic(digit, flag) { - // 0..25 map to ASCII a..z or A..Z - // 26..35 map to ASCII 0..9 - return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); - } - - /** - * Bias adaptation function as per section 3.4 of RFC 3492. - * https://tools.ietf.org/html/rfc3492#section-3.4 - * @private - */ - function adapt(delta, numPoints, firstTime) { - var k = 0; - delta = firstTime ? floor(delta / damp) : delta >> 1; - delta += floor(delta / numPoints); - for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { - delta = floor(delta / baseMinusTMin); - } - return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); - } - - /** - * Converts a Punycode string of ASCII-only symbols to a string of Unicode - * symbols. - * @memberOf punycode - * @param {String} input The Punycode string of ASCII-only symbols. - * @returns {String} The resulting string of Unicode symbols. - */ - function decode(input) { - // Don't use UCS-2 - var output = [], - inputLength = input.length, - out, - i = 0, - n = initialN, - bias = initialBias, - basic, - j, - index, - oldi, - w, - k, - digit, - t, - /** Cached calculation results */ - baseMinusT; - - // Handle the basic code points: let `basic` be the number of input code - // points before the last delimiter, or `0` if there is none, then copy - // the first basic code points to the output. - - basic = input.lastIndexOf(delimiter); - if (basic < 0) { - basic = 0; - } - - for (j = 0; j < basic; ++j) { - // if it's not a basic code point - if (input.charCodeAt(j) >= 0x80) { - error('not-basic'); - } - output.push(input.charCodeAt(j)); - } - - // Main decoding loop: start just after the last delimiter if any basic code - // points were copied; start at the beginning otherwise. - - for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { - - // `index` is the index of the next character to be consumed. - // Decode a generalized variable-length integer into `delta`, - // which gets added to `i`. The overflow checking is easier - // if we increase `i` as we go, then subtract off its starting - // value at the end to obtain `delta`. - for (oldi = i, w = 1, k = base; /* no condition */; k += base) { - - if (index >= inputLength) { - error('invalid-input'); - } - - digit = basicToDigit(input.charCodeAt(index++)); - - if (digit >= base || digit > floor((maxInt - i) / w)) { - error('overflow'); - } - - i += digit * w; - t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); - - if (digit < t) { - break; - } - - baseMinusT = base - t; - if (w > floor(maxInt / baseMinusT)) { - error('overflow'); - } - - w *= baseMinusT; - - } - - out = output.length + 1; - bias = adapt(i - oldi, out, oldi == 0); - - // `i` was supposed to wrap around from `out` to `0`, - // incrementing `n` each time, so we'll fix that now: - if (floor(i / out) > maxInt - n) { - error('overflow'); - } - - n += floor(i / out); - i %= out; - - // Insert `n` at position `i` of the output - output.splice(i++, 0, n); - - } - - return ucs2encode(output); - } - - /** - * Converts a string of Unicode symbols (e.g. a domain name label) to a - * Punycode string of ASCII-only symbols. - * @memberOf punycode - * @param {String} input The string of Unicode symbols. - * @returns {String} The resulting Punycode string of ASCII-only symbols. - */ - function encode(input) { - var n, - delta, - handledCPCount, - basicLength, - bias, - j, - m, - q, - k, - t, - currentValue, - output = [], - /** `inputLength` will hold the number of code points in `input`. */ - inputLength, - /** Cached calculation results */ - handledCPCountPlusOne, - baseMinusT, - qMinusT; - - // Convert the input in UCS-2 to Unicode - input = ucs2decode(input); - - // Cache the length - inputLength = input.length; - - // Initialize the state - n = initialN; - delta = 0; - bias = initialBias; - - // Handle the basic code points - for (j = 0; j < inputLength; ++j) { - currentValue = input[j]; - if (currentValue < 0x80) { - output.push(stringFromCharCode(currentValue)); - } - } - - handledCPCount = basicLength = output.length; - - // `handledCPCount` is the number of code points that have been handled; - // `basicLength` is the number of basic code points. - - // Finish the basic string - if it is not empty - with a delimiter - if (basicLength) { - output.push(delimiter); - } - - // Main encoding loop: - while (handledCPCount < inputLength) { - - // All non-basic code points < n have been handled already. Find the next - // larger one: - for (m = maxInt, j = 0; j < inputLength; ++j) { - currentValue = input[j]; - if (currentValue >= n && currentValue < m) { - m = currentValue; - } - } - - // Increase `delta` enough to advance the decoder's state to , - // but guard against overflow - handledCPCountPlusOne = handledCPCount + 1; - if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { - error('overflow'); - } - - delta += (m - n) * handledCPCountPlusOne; - n = m; - - for (j = 0; j < inputLength; ++j) { - currentValue = input[j]; - - if (currentValue < n && ++delta > maxInt) { - error('overflow'); - } - - if (currentValue == n) { - // Represent delta as a generalized variable-length integer - for (q = delta, k = base; /* no condition */; k += base) { - t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); - if (q < t) { - break; - } - qMinusT = q - t; - baseMinusT = base - t; - output.push( - stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) - ); - q = floor(qMinusT / baseMinusT); - } - - output.push(stringFromCharCode(digitToBasic(q, 0))); - bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength); - delta = 0; - ++handledCPCount; - } - } - - ++delta; - ++n; - - } - return output.join(''); - } - - /** - * Converts a Punycode string representing a domain name or an email address - * to Unicode. Only the Punycoded parts of the input will be converted, i.e. - * it doesn't matter if you call it on a string that has already been - * converted to Unicode. - * @memberOf punycode - * @param {String} input The Punycoded domain name or email address to - * convert to Unicode. - * @returns {String} The Unicode representation of the given Punycode - * string. - */ - function toUnicode(input) { - return mapDomain(input, function(string) { - return regexPunycode.test(string) - ? decode(string.slice(4).toLowerCase()) - : string; - }); - } - - /** - * Converts a Unicode string representing a domain name or an email address to - * Punycode. Only the non-ASCII parts of the domain name will be converted, - * i.e. it doesn't matter if you call it with a domain that's already in - * ASCII. - * @memberOf punycode - * @param {String} input The domain name or email address to convert, as a - * Unicode string. - * @returns {String} The Punycode representation of the given domain name or - * email address. - */ - function toASCII(input) { - return mapDomain(input, function(string) { - return regexNonASCII.test(string) - ? 'xn--' + encode(string) - : string; - }); - } - - /*--------------------------------------------------------------------------*/ - - /** Define the public API */ - punycode = { - /** - * A string representing the current Punycode.js version number. - * @memberOf punycode - * @type String - */ - 'version': '1.4.1', - /** - * An object of methods to convert from JavaScript's internal character - * representation (UCS-2) to Unicode code points, and back. - * @see - * @memberOf punycode - * @type Object - */ - 'ucs2': { - 'decode': ucs2decode, - 'encode': ucs2encode - }, - 'decode': decode, - 'encode': encode, - 'toASCII': toASCII, - 'toUnicode': toUnicode - }; - - /** Expose `punycode` */ - // Some AMD build optimizers, like r.js, check for specific condition patterns - // like the following: - if ( - typeof define == 'function' && - typeof define.amd == 'object' && - define.amd - ) { - define('punycode', function() { - return punycode; - }); - } else if (freeExports && freeModule) { - if (module.exports == freeExports) { - // in Node.js, io.js, or RingoJS v0.8.0+ - freeModule.exports = punycode; - } else { - // in Narwhal or RingoJS v0.7.0- - for (key in punycode) { - punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]); - } - } - } else { - // in Rhino or a web browser - root.punycode = punycode; - } - -}(this)); - -}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{}],319:[function(require,module,exports){ -'use strict'; - -var replace = String.prototype.replace; -var percentTwenties = /%20/g; - -var Format = { - RFC1738: 'RFC1738', - RFC3986: 'RFC3986' -}; - -module.exports = { - 'default': Format.RFC3986, - formatters: { - RFC1738: function (value) { - return replace.call(value, percentTwenties, '+'); - }, - RFC3986: function (value) { - return String(value); - } - }, - RFC1738: Format.RFC1738, - RFC3986: Format.RFC3986 -}; - -},{}],320:[function(require,module,exports){ -'use strict'; - -var stringify = require('./stringify'); -var parse = require('./parse'); -var formats = require('./formats'); - -module.exports = { - formats: formats, - parse: parse, - stringify: stringify -}; - -},{"./formats":319,"./parse":321,"./stringify":322}],321:[function(require,module,exports){ -'use strict'; - -var utils = require('./utils'); - -var has = Object.prototype.hasOwnProperty; -var isArray = Array.isArray; - -var defaults = { - allowDots: false, - allowPrototypes: false, - allowSparse: false, - arrayLimit: 20, - charset: 'utf-8', - charsetSentinel: false, - comma: false, - decoder: utils.decode, - delimiter: '&', - depth: 5, - ignoreQueryPrefix: false, - interpretNumericEntities: false, - parameterLimit: 1000, - parseArrays: true, - plainObjects: false, - strictNullHandling: false -}; - -var interpretNumericEntities = function (str) { - return str.replace(/&#(\d+);/g, function ($0, numberStr) { - return String.fromCharCode(parseInt(numberStr, 10)); - }); -}; - -var parseArrayValue = function (val, options) { - if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) { - return val.split(','); - } - - return val; -}; - -// This is what browsers will submit when the ✓ character occurs in an -// application/x-www-form-urlencoded body and the encoding of the page containing -// the form is iso-8859-1, or when the submitted form has an accept-charset -// attribute of iso-8859-1. Presumably also with other charsets that do not contain -// the ✓ character, such as us-ascii. -var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('✓') - -// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded. -var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓') - -var parseValues = function parseQueryStringValues(str, options) { - var obj = { __proto__: null }; - - var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str; - var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit; - var parts = cleanStr.split(options.delimiter, limit); - var skipIndex = -1; // Keep track of where the utf8 sentinel was found - var i; - - var charset = options.charset; - if (options.charsetSentinel) { - for (i = 0; i < parts.length; ++i) { - if (parts[i].indexOf('utf8=') === 0) { - if (parts[i] === charsetSentinel) { - charset = 'utf-8'; - } else if (parts[i] === isoSentinel) { - charset = 'iso-8859-1'; - } - skipIndex = i; - i = parts.length; // The eslint settings do not allow break; - } - } - } - - for (i = 0; i < parts.length; ++i) { - if (i === skipIndex) { - continue; - } - var part = parts[i]; - - var bracketEqualsPos = part.indexOf(']='); - var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1; - - var key, val; - if (pos === -1) { - key = options.decoder(part, defaults.decoder, charset, 'key'); - val = options.strictNullHandling ? null : ''; - } else { - key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key'); - val = utils.maybeMap( - parseArrayValue(part.slice(pos + 1), options), - function (encodedVal) { - return options.decoder(encodedVal, defaults.decoder, charset, 'value'); - } - ); - } - - if (val && options.interpretNumericEntities && charset === 'iso-8859-1') { - val = interpretNumericEntities(val); - } - - if (part.indexOf('[]=') > -1) { - val = isArray(val) ? [val] : val; - } - - if (has.call(obj, key)) { - obj[key] = utils.combine(obj[key], val); - } else { - obj[key] = val; - } - } - - return obj; -}; - -var parseObject = function (chain, val, options, valuesParsed) { - var leaf = valuesParsed ? val : parseArrayValue(val, options); - - for (var i = chain.length - 1; i >= 0; --i) { - var obj; - var root = chain[i]; - - if (root === '[]' && options.parseArrays) { - obj = [].concat(leaf); - } else { - obj = options.plainObjects ? Object.create(null) : {}; - var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root; - var index = parseInt(cleanRoot, 10); - if (!options.parseArrays && cleanRoot === '') { - obj = { 0: leaf }; - } else if ( - !isNaN(index) - && root !== cleanRoot - && String(index) === cleanRoot - && index >= 0 - && (options.parseArrays && index <= options.arrayLimit) - ) { - obj = []; - obj[index] = leaf; - } else if (cleanRoot !== '__proto__') { - obj[cleanRoot] = leaf; - } - } - - leaf = obj; - } - - return leaf; -}; - -var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) { - if (!givenKey) { - return; - } - - // Transform dot notation to bracket notation - var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey; - - // The regex chunks - - var brackets = /(\[[^[\]]*])/; - var child = /(\[[^[\]]*])/g; - - // Get the parent - - var segment = options.depth > 0 && brackets.exec(key); - var parent = segment ? key.slice(0, segment.index) : key; - - // Stash the parent if it exists - - var keys = []; - if (parent) { - // If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties - if (!options.plainObjects && has.call(Object.prototype, parent)) { - if (!options.allowPrototypes) { - return; - } - } - - keys.push(parent); - } - - // Loop through children appending to the array until we hit depth - - var i = 0; - while (options.depth > 0 && (segment = child.exec(key)) !== null && i < options.depth) { - i += 1; - if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) { - if (!options.allowPrototypes) { - return; - } - } - keys.push(segment[1]); - } - - // If there's a remainder, just add whatever is left - - if (segment) { - keys.push('[' + key.slice(segment.index) + ']'); - } - - return parseObject(keys, val, options, valuesParsed); -}; - -var normalizeParseOptions = function normalizeParseOptions(opts) { - if (!opts) { - return defaults; - } - - if (opts.decoder !== null && opts.decoder !== undefined && typeof opts.decoder !== 'function') { - throw new TypeError('Decoder has to be a function.'); - } - - if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') { - throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'); - } - var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset; - - return { - allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots, - allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes, - allowSparse: typeof opts.allowSparse === 'boolean' ? opts.allowSparse : defaults.allowSparse, - arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit, - charset: charset, - charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel, - comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma, - decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder, - delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter, - // eslint-disable-next-line no-implicit-coercion, no-extra-parens - depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth, - ignoreQueryPrefix: opts.ignoreQueryPrefix === true, - interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities, - parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit, - parseArrays: opts.parseArrays !== false, - plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects, - strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling - }; -}; - -module.exports = function (str, opts) { - var options = normalizeParseOptions(opts); - - if (str === '' || str === null || typeof str === 'undefined') { - return options.plainObjects ? Object.create(null) : {}; - } - - var tempObj = typeof str === 'string' ? parseValues(str, options) : str; - var obj = options.plainObjects ? Object.create(null) : {}; - - // Iterate over the keys and setup the new object - - var keys = Object.keys(tempObj); - for (var i = 0; i < keys.length; ++i) { - var key = keys[i]; - var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string'); - obj = utils.merge(obj, newObj, options); - } - - if (options.allowSparse === true) { - return obj; - } - - return utils.compact(obj); -}; - -},{"./utils":323}],322:[function(require,module,exports){ -'use strict'; - -var getSideChannel = require('side-channel'); -var utils = require('./utils'); -var formats = require('./formats'); -var has = Object.prototype.hasOwnProperty; - -var arrayPrefixGenerators = { - brackets: function brackets(prefix) { - return prefix + '[]'; - }, - comma: 'comma', - indices: function indices(prefix, key) { - return prefix + '[' + key + ']'; - }, - repeat: function repeat(prefix) { - return prefix; - } -}; - -var isArray = Array.isArray; -var push = Array.prototype.push; -var pushToArray = function (arr, valueOrArray) { - push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]); -}; - -var toISO = Date.prototype.toISOString; - -var defaultFormat = formats['default']; -var defaults = { - addQueryPrefix: false, - allowDots: false, - charset: 'utf-8', - charsetSentinel: false, - delimiter: '&', - encode: true, - encoder: utils.encode, - encodeValuesOnly: false, - format: defaultFormat, - formatter: formats.formatters[defaultFormat], - // deprecated - indices: false, - serializeDate: function serializeDate(date) { - return toISO.call(date); - }, - skipNulls: false, - strictNullHandling: false -}; - -var isNonNullishPrimitive = function isNonNullishPrimitive(v) { - return typeof v === 'string' - || typeof v === 'number' - || typeof v === 'boolean' - || typeof v === 'symbol' - || typeof v === 'bigint'; -}; - -var sentinel = {}; - -var stringify = function stringify( - object, - prefix, - generateArrayPrefix, - commaRoundTrip, - strictNullHandling, - skipNulls, - encoder, - filter, - sort, - allowDots, - serializeDate, - format, - formatter, - encodeValuesOnly, - charset, - sideChannel -) { - var obj = object; - - var tmpSc = sideChannel; - var step = 0; - var findFlag = false; - while ((tmpSc = tmpSc.get(sentinel)) !== void undefined && !findFlag) { - // Where object last appeared in the ref tree - var pos = tmpSc.get(object); - step += 1; - if (typeof pos !== 'undefined') { - if (pos === step) { - throw new RangeError('Cyclic object value'); - } else { - findFlag = true; // Break while - } - } - if (typeof tmpSc.get(sentinel) === 'undefined') { - step = 0; - } - } - - if (typeof filter === 'function') { - obj = filter(prefix, obj); - } else if (obj instanceof Date) { - obj = serializeDate(obj); - } else if (generateArrayPrefix === 'comma' && isArray(obj)) { - obj = utils.maybeMap(obj, function (value) { - if (value instanceof Date) { - return serializeDate(value); - } - return value; - }); - } - - if (obj === null) { - if (strictNullHandling) { - return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset, 'key', format) : prefix; - } - - obj = ''; - } - - if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) { - if (encoder) { - var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key', format); - return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value', format))]; - } - return [formatter(prefix) + '=' + formatter(String(obj))]; - } - - var values = []; - - if (typeof obj === 'undefined') { - return values; - } - - var objKeys; - if (generateArrayPrefix === 'comma' && isArray(obj)) { - // we need to join elements in - if (encodeValuesOnly && encoder) { - obj = utils.maybeMap(obj, encoder); - } - objKeys = [{ value: obj.length > 0 ? obj.join(',') || null : void undefined }]; - } else if (isArray(filter)) { - objKeys = filter; - } else { - var keys = Object.keys(obj); - objKeys = sort ? keys.sort(sort) : keys; - } - - var adjustedPrefix = commaRoundTrip && isArray(obj) && obj.length === 1 ? prefix + '[]' : prefix; - - for (var j = 0; j < objKeys.length; ++j) { - var key = objKeys[j]; - var value = typeof key === 'object' && typeof key.value !== 'undefined' ? key.value : obj[key]; - - if (skipNulls && value === null) { - continue; - } - - var keyPrefix = isArray(obj) - ? typeof generateArrayPrefix === 'function' ? generateArrayPrefix(adjustedPrefix, key) : adjustedPrefix - : adjustedPrefix + (allowDots ? '.' + key : '[' + key + ']'); - - sideChannel.set(object, step); - var valueSideChannel = getSideChannel(); - valueSideChannel.set(sentinel, sideChannel); - pushToArray(values, stringify( - value, - keyPrefix, - generateArrayPrefix, - commaRoundTrip, - strictNullHandling, - skipNulls, - generateArrayPrefix === 'comma' && encodeValuesOnly && isArray(obj) ? null : encoder, - filter, - sort, - allowDots, - serializeDate, - format, - formatter, - encodeValuesOnly, - charset, - valueSideChannel - )); - } - - return values; -}; - -var normalizeStringifyOptions = function normalizeStringifyOptions(opts) { - if (!opts) { - return defaults; - } - - if (opts.encoder !== null && typeof opts.encoder !== 'undefined' && typeof opts.encoder !== 'function') { - throw new TypeError('Encoder has to be a function.'); - } - - var charset = opts.charset || defaults.charset; - if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') { - throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'); - } - - var format = formats['default']; - if (typeof opts.format !== 'undefined') { - if (!has.call(formats.formatters, opts.format)) { - throw new TypeError('Unknown format option provided.'); - } - format = opts.format; - } - var formatter = formats.formatters[format]; - - var filter = defaults.filter; - if (typeof opts.filter === 'function' || isArray(opts.filter)) { - filter = opts.filter; - } - - return { - addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix, - allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots, - charset: charset, - charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel, - delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter, - encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode, - encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder, - encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly, - filter: filter, - format: format, - formatter: formatter, - serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate, - skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls, - sort: typeof opts.sort === 'function' ? opts.sort : null, - strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling - }; -}; - -module.exports = function (object, opts) { - var obj = object; - var options = normalizeStringifyOptions(opts); - - var objKeys; - var filter; - - if (typeof options.filter === 'function') { - filter = options.filter; - obj = filter('', obj); - } else if (isArray(options.filter)) { - filter = options.filter; - objKeys = filter; - } - - var keys = []; - - if (typeof obj !== 'object' || obj === null) { - return ''; - } - - var arrayFormat; - if (opts && opts.arrayFormat in arrayPrefixGenerators) { - arrayFormat = opts.arrayFormat; - } else if (opts && 'indices' in opts) { - arrayFormat = opts.indices ? 'indices' : 'repeat'; - } else { - arrayFormat = 'indices'; - } - - var generateArrayPrefix = arrayPrefixGenerators[arrayFormat]; - if (opts && 'commaRoundTrip' in opts && typeof opts.commaRoundTrip !== 'boolean') { - throw new TypeError('`commaRoundTrip` must be a boolean, or absent'); - } - var commaRoundTrip = generateArrayPrefix === 'comma' && opts && opts.commaRoundTrip; - - if (!objKeys) { - objKeys = Object.keys(obj); - } - - if (options.sort) { - objKeys.sort(options.sort); - } - - var sideChannel = getSideChannel(); - for (var i = 0; i < objKeys.length; ++i) { - var key = objKeys[i]; - - if (options.skipNulls && obj[key] === null) { - continue; - } - pushToArray(keys, stringify( - obj[key], - key, - generateArrayPrefix, - commaRoundTrip, - options.strictNullHandling, - options.skipNulls, - options.encode ? options.encoder : null, - options.filter, - options.sort, - options.allowDots, - options.serializeDate, - options.format, - options.formatter, - options.encodeValuesOnly, - options.charset, - sideChannel - )); - } - - var joined = keys.join(options.delimiter); - var prefix = options.addQueryPrefix === true ? '?' : ''; - - if (options.charsetSentinel) { - if (options.charset === 'iso-8859-1') { - // encodeURIComponent('✓'), the "numeric entity" representation of a checkmark - prefix += 'utf8=%26%2310003%3B&'; - } else { - // encodeURIComponent('✓') - prefix += 'utf8=%E2%9C%93&'; - } - } - - return joined.length > 0 ? prefix + joined : ''; -}; - -},{"./formats":319,"./utils":323,"side-channel":367}],323:[function(require,module,exports){ -'use strict'; - -var formats = require('./formats'); - -var has = Object.prototype.hasOwnProperty; -var isArray = Array.isArray; - -var hexTable = (function () { - var array = []; - for (var i = 0; i < 256; ++i) { - array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase()); - } - - return array; -}()); - -var compactQueue = function compactQueue(queue) { - while (queue.length > 1) { - var item = queue.pop(); - var obj = item.obj[item.prop]; - - if (isArray(obj)) { - var compacted = []; - - for (var j = 0; j < obj.length; ++j) { - if (typeof obj[j] !== 'undefined') { - compacted.push(obj[j]); - } - } - - item.obj[item.prop] = compacted; - } - } -}; - -var arrayToObject = function arrayToObject(source, options) { - var obj = options && options.plainObjects ? Object.create(null) : {}; - for (var i = 0; i < source.length; ++i) { - if (typeof source[i] !== 'undefined') { - obj[i] = source[i]; - } - } - - return obj; -}; - -var merge = function merge(target, source, options) { - /* eslint no-param-reassign: 0 */ - if (!source) { - return target; - } - - if (typeof source !== 'object') { - if (isArray(target)) { - target.push(source); - } else if (target && typeof target === 'object') { - if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) { - target[source] = true; - } - } else { - return [target, source]; - } - - return target; - } - - if (!target || typeof target !== 'object') { - return [target].concat(source); - } - - var mergeTarget = target; - if (isArray(target) && !isArray(source)) { - mergeTarget = arrayToObject(target, options); - } - - if (isArray(target) && isArray(source)) { - source.forEach(function (item, i) { - if (has.call(target, i)) { - var targetItem = target[i]; - if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') { - target[i] = merge(targetItem, item, options); - } else { - target.push(item); - } - } else { - target[i] = item; - } - }); - return target; - } - - return Object.keys(source).reduce(function (acc, key) { - var value = source[key]; - - if (has.call(acc, key)) { - acc[key] = merge(acc[key], value, options); - } else { - acc[key] = value; - } - return acc; - }, mergeTarget); -}; - -var assign = function assignSingleSource(target, source) { - return Object.keys(source).reduce(function (acc, key) { - acc[key] = source[key]; - return acc; - }, target); -}; - -var decode = function (str, decoder, charset) { - var strWithoutPlus = str.replace(/\+/g, ' '); - if (charset === 'iso-8859-1') { - // unescape never throws, no try...catch needed: - return strWithoutPlus.replace(/%[0-9a-f]{2}/gi, unescape); - } - // utf-8 - try { - return decodeURIComponent(strWithoutPlus); - } catch (e) { - return strWithoutPlus; - } -}; - -var encode = function encode(str, defaultEncoder, charset, kind, format) { - // This code was originally written by Brian White (mscdex) for the io.js core querystring library. - // It has been adapted here for stricter adherence to RFC 3986 - if (str.length === 0) { - return str; - } - - var string = str; - if (typeof str === 'symbol') { - string = Symbol.prototype.toString.call(str); - } else if (typeof str !== 'string') { - string = String(str); - } - - if (charset === 'iso-8859-1') { - return escape(string).replace(/%u[0-9a-f]{4}/gi, function ($0) { - return '%26%23' + parseInt($0.slice(2), 16) + '%3B'; - }); - } - - var out = ''; - for (var i = 0; i < string.length; ++i) { - var c = string.charCodeAt(i); - - if ( - c === 0x2D // - - || c === 0x2E // . - || c === 0x5F // _ - || c === 0x7E // ~ - || (c >= 0x30 && c <= 0x39) // 0-9 - || (c >= 0x41 && c <= 0x5A) // a-z - || (c >= 0x61 && c <= 0x7A) // A-Z - || (format === formats.RFC1738 && (c === 0x28 || c === 0x29)) // ( ) - ) { - out += string.charAt(i); - continue; - } - - if (c < 0x80) { - out = out + hexTable[c]; - continue; - } - - if (c < 0x800) { - out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]); - continue; - } - - if (c < 0xD800 || c >= 0xE000) { - out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]); - continue; - } - - i += 1; - c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF)); - /* eslint operator-linebreak: [2, "before"] */ - out += hexTable[0xF0 | (c >> 18)] - + hexTable[0x80 | ((c >> 12) & 0x3F)] - + hexTable[0x80 | ((c >> 6) & 0x3F)] - + hexTable[0x80 | (c & 0x3F)]; - } - - return out; -}; - -var compact = function compact(value) { - var queue = [{ obj: { o: value }, prop: 'o' }]; - var refs = []; - - for (var i = 0; i < queue.length; ++i) { - var item = queue[i]; - var obj = item.obj[item.prop]; - - var keys = Object.keys(obj); - for (var j = 0; j < keys.length; ++j) { - var key = keys[j]; - var val = obj[key]; - if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) { - queue.push({ obj: obj, prop: key }); - refs.push(val); - } - } - } - - compactQueue(queue); - - return value; -}; - -var isRegExp = function isRegExp(obj) { - return Object.prototype.toString.call(obj) === '[object RegExp]'; -}; - -var isBuffer = function isBuffer(obj) { - if (!obj || typeof obj !== 'object') { - return false; - } - - return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj)); -}; - -var combine = function combine(a, b) { - return [].concat(a, b); -}; - -var maybeMap = function maybeMap(val, fn) { - if (isArray(val)) { - var mapped = []; - for (var i = 0; i < val.length; i += 1) { - mapped.push(fn(val[i])); - } - return mapped; - } - return fn(val); -}; - -module.exports = { - arrayToObject: arrayToObject, - assign: assign, - combine: combine, - compact: compact, - decode: decode, - encode: encode, - isBuffer: isBuffer, - isRegExp: isRegExp, - maybeMap: maybeMap, - merge: merge -}; - -},{"./formats":319}],324:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -'use strict'; - -// If obj.hasOwnProperty has been overridden, then calling -// obj.hasOwnProperty(prop) will break. -// See: https://github.com/joyent/node/issues/1707 -function hasOwnProperty(obj, prop) { - return Object.prototype.hasOwnProperty.call(obj, prop); -} - -module.exports = function(qs, sep, eq, options) { - sep = sep || '&'; - eq = eq || '='; - var obj = {}; - - if (typeof qs !== 'string' || qs.length === 0) { - return obj; - } - - var regexp = /\+/g; - qs = qs.split(sep); - - var maxKeys = 1000; - if (options && typeof options.maxKeys === 'number') { - maxKeys = options.maxKeys; - } - - var len = qs.length; - // maxKeys <= 0 means that we should not limit keys count - if (maxKeys > 0 && len > maxKeys) { - len = maxKeys; - } - - for (var i = 0; i < len; ++i) { - var x = qs[i].replace(regexp, '%20'), - idx = x.indexOf(eq), - kstr, vstr, k, v; - - if (idx >= 0) { - kstr = x.substr(0, idx); - vstr = x.substr(idx + 1); - } else { - kstr = x; - vstr = ''; - } - - k = decodeURIComponent(kstr); - v = decodeURIComponent(vstr); - - if (!hasOwnProperty(obj, k)) { - obj[k] = v; - } else if (isArray(obj[k])) { - obj[k].push(v); - } else { - obj[k] = [obj[k], v]; - } - } - - return obj; -}; - -var isArray = Array.isArray || function (xs) { - return Object.prototype.toString.call(xs) === '[object Array]'; -}; - -},{}],325:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -'use strict'; - -var stringifyPrimitive = function(v) { - switch (typeof v) { - case 'string': - return v; - - case 'boolean': - return v ? 'true' : 'false'; - - case 'number': - return isFinite(v) ? v : ''; - - default: - return ''; - } -}; - -module.exports = function(obj, sep, eq, name) { - sep = sep || '&'; - eq = eq || '='; - if (obj === null) { - obj = undefined; - } - - if (typeof obj === 'object') { - return map(objectKeys(obj), function(k) { - var ks = encodeURIComponent(stringifyPrimitive(k)) + eq; - if (isArray(obj[k])) { - return map(obj[k], function(v) { - return ks + encodeURIComponent(stringifyPrimitive(v)); - }).join(sep); - } else { - return ks + encodeURIComponent(stringifyPrimitive(obj[k])); - } - }).join(sep); - - } - - if (!name) return ''; - return encodeURIComponent(stringifyPrimitive(name)) + eq + - encodeURIComponent(stringifyPrimitive(obj)); -}; - -var isArray = Array.isArray || function (xs) { - return Object.prototype.toString.call(xs) === '[object Array]'; -}; - -function map (xs, f) { - if (xs.map) return xs.map(f); - var res = []; - for (var i = 0; i < xs.length; i++) { - res.push(f(xs[i], i)); - } - return res; -} - -var objectKeys = Object.keys || function (obj) { - var res = []; - for (var key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key); - } - return res; -}; - -},{}],326:[function(require,module,exports){ -'use strict'; - -exports.decode = exports.parse = require('./decode'); -exports.encode = exports.stringify = require('./encode'); - -},{"./decode":324,"./encode":325}],327:[function(require,module,exports){ -(function (global){(function (){ -/*! queue-microtask. MIT License. Feross Aboukhadijeh */ -let promise - -module.exports = typeof queueMicrotask === 'function' - ? queueMicrotask.bind(typeof window !== 'undefined' ? window : global) - // reuse resolved promise, and allocate it lazily - : cb => (promise || (promise = Promise.resolve())) - .then(cb) - .catch(err => setTimeout(() => { throw err }, 0)) - -}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{}],328:[function(require,module,exports){ -module.exports = typeof queueMicrotask === 'function' ? queueMicrotask : (fn) => Promise.resolve().then(fn) - -},{}],329:[function(require,module,exports){ -var iterate = function (list) { - var offset = 0 - return function () { - if (offset === list.length) return null - - var len = list.length - offset - var i = (Math.random() * len) | 0 - var el = list[offset + i] - - var tmp = list[offset] - list[offset] = el - list[offset + i] = tmp - offset++ - - return el - } -} - -module.exports = iterate - -},{}],330:[function(require,module,exports){ -(function (process,global){(function (){ -'use strict' - -// limit of Crypto.getRandomValues() -// https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues -var MAX_BYTES = 65536 - -// Node supports requesting up to this number of bytes -// https://github.com/nodejs/node/blob/master/lib/internal/crypto/random.js#L48 -var MAX_UINT32 = 4294967295 - -function oldBrowser () { - throw new Error('Secure random number generation is not supported by this browser.\nUse Chrome, Firefox or Internet Explorer 11') -} - -var Buffer = require('safe-buffer').Buffer -var crypto = global.crypto || global.msCrypto - -if (crypto && crypto.getRandomValues) { - module.exports = randomBytes -} else { - module.exports = oldBrowser -} - -function randomBytes (size, cb) { - // phantomjs needs to throw - if (size > MAX_UINT32) throw new RangeError('requested too many random bytes') - - var bytes = Buffer.allocUnsafe(size) - - if (size > 0) { // getRandomValues fails on IE if size == 0 - if (size > MAX_BYTES) { // this is the max bytes crypto.getRandomValues - // can do at once see https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues - for (var generated = 0; generated < size; generated += MAX_BYTES) { - // buffer.slice automatically checks if the end is past the end of - // the buffer so we don't have to here - crypto.getRandomValues(bytes.slice(generated, generated + MAX_BYTES)) - } - } else { - crypto.getRandomValues(bytes) - } - } - - if (typeof cb === 'function') { - return process.nextTick(function () { - cb(null, bytes) - }) - } - - return bytes -} - -}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"_process":309,"safe-buffer":356}],331:[function(require,module,exports){ -(function (process,global){(function (){ -'use strict' - -function oldBrowser () { - throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11') -} -var safeBuffer = require('safe-buffer') -var randombytes = require('randombytes') -var Buffer = safeBuffer.Buffer -var kBufferMaxLength = safeBuffer.kMaxLength -var crypto = global.crypto || global.msCrypto -var kMaxUint32 = Math.pow(2, 32) - 1 -function assertOffset (offset, length) { - if (typeof offset !== 'number' || offset !== offset) { // eslint-disable-line no-self-compare - throw new TypeError('offset must be a number') - } - - if (offset > kMaxUint32 || offset < 0) { - throw new TypeError('offset must be a uint32') - } - - if (offset > kBufferMaxLength || offset > length) { - throw new RangeError('offset out of range') - } -} - -function assertSize (size, offset, length) { - if (typeof size !== 'number' || size !== size) { // eslint-disable-line no-self-compare - throw new TypeError('size must be a number') - } - - if (size > kMaxUint32 || size < 0) { - throw new TypeError('size must be a uint32') - } - - if (size + offset > length || size > kBufferMaxLength) { - throw new RangeError('buffer too small') - } -} -if ((crypto && crypto.getRandomValues) || !process.browser) { - exports.randomFill = randomFill - exports.randomFillSync = randomFillSync -} else { - exports.randomFill = oldBrowser - exports.randomFillSync = oldBrowser -} -function randomFill (buf, offset, size, cb) { - if (!Buffer.isBuffer(buf) && !(buf instanceof global.Uint8Array)) { - throw new TypeError('"buf" argument must be a Buffer or Uint8Array') - } - - if (typeof offset === 'function') { - cb = offset - offset = 0 - size = buf.length - } else if (typeof size === 'function') { - cb = size - size = buf.length - offset - } else if (typeof cb !== 'function') { - throw new TypeError('"cb" argument must be a function') - } - assertOffset(offset, buf.length) - assertSize(size, offset, buf.length) - return actualFill(buf, offset, size, cb) -} - -function actualFill (buf, offset, size, cb) { - if (process.browser) { - var ourBuf = buf.buffer - var uint = new Uint8Array(ourBuf, offset, size) - crypto.getRandomValues(uint) - if (cb) { - process.nextTick(function () { - cb(null, buf) - }) - return - } - return buf - } - if (cb) { - randombytes(size, function (err, bytes) { - if (err) { - return cb(err) - } - bytes.copy(buf, offset) - cb(null, buf) - }) - return - } - var bytes = randombytes(size) - bytes.copy(buf, offset) - return buf -} -function randomFillSync (buf, offset, size) { - if (typeof offset === 'undefined') { - offset = 0 - } - if (!Buffer.isBuffer(buf) && !(buf instanceof global.Uint8Array)) { - throw new TypeError('"buf" argument must be a Buffer or Uint8Array') - } - - assertOffset(offset, buf.length) - - if (size === undefined) size = buf.length - offset - - assertSize(size, offset, buf.length) - - return actualFill(buf, offset, size) -} - -}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"_process":309,"randombytes":330,"safe-buffer":356}],332:[function(require,module,exports){ -/*! - * range-parser - * Copyright(c) 2012-2014 TJ Holowaychuk - * Copyright(c) 2015-2016 Douglas Christopher Wilson - * MIT Licensed - */ - -'use strict' - -/** - * Module exports. - * @public - */ - -module.exports = rangeParser - -/** - * Parse "Range" header `str` relative to the given file `size`. - * - * @param {Number} size - * @param {String} str - * @param {Object} [options] - * @return {Array} - * @public - */ - -function rangeParser (size, str, options) { - if (typeof str !== 'string') { - throw new TypeError('argument str must be a string') - } - - var index = str.indexOf('=') - - if (index === -1) { - return -2 - } - - // split the range string - var arr = str.slice(index + 1).split(',') - var ranges = [] - - // add ranges type - ranges.type = str.slice(0, index) - - // parse all ranges - for (var i = 0; i < arr.length; i++) { - var range = arr[i].split('-') - var start = parseInt(range[0], 10) - var end = parseInt(range[1], 10) - - // -nnn - if (isNaN(start)) { - start = size - end - end = size - 1 - // nnn- - } else if (isNaN(end)) { - end = size - 1 - } - - // limit last-byte-pos to current length - if (end > size - 1) { - end = size - 1 - } - - // invalid or unsatisifiable - if (isNaN(start) || isNaN(end) || start > end || start < 0) { - continue - } - - // add range - ranges.push({ - start: start, - end: end - }) - } - - if (ranges.length < 1) { - // unsatisifiable - return -1 - } - - return options && options.combine - ? combineRanges(ranges) - : ranges -} - -/** - * Combine overlapping & adjacent ranges. - * @private - */ - -function combineRanges (ranges) { - var ordered = ranges.map(mapWithIndex).sort(sortByRangeStart) - - for (var j = 0, i = 1; i < ordered.length; i++) { - var range = ordered[i] - var current = ordered[j] - - if (range.start > current.end + 1) { - // next range - ordered[++j] = range - } else if (range.end > current.end) { - // extend range - current.end = range.end - current.index = Math.min(current.index, range.index) - } - } - - // trim ordered array - ordered.length = j + 1 - - // generate combined range - var combined = ordered.sort(sortByRangeIndex).map(mapWithoutIndex) - - // copy ranges type - combined.type = ranges.type - - return combined -} - -/** - * Map function to add index value to ranges. - * @private - */ - -function mapWithIndex (range, index) { - return { - start: range.start, - end: range.end, - index: index - } -} - -/** - * Map function to remove index value from ranges. - * @private - */ - -function mapWithoutIndex (range) { - return { - start: range.start, - end: range.end - } -} - -/** - * Sort function to sort ranges by index. - * @private - */ - -function sortByRangeIndex (a, b) { - return a.index - b.index -} - -/** - * Sort function to sort ranges by start position. - * @private - */ - -function sortByRangeStart (a, b) { - return a.start - b.start -} - -},{}],333:[function(require,module,exports){ -/* -Instance of writable stream. - -call .get(length) or .discard(length) to get a stream (relative to the last end) - -emits 'stalled' once everything is written - -*/ -const { Writable, PassThrough } = require('readable-stream') - -class RangeSliceStream extends Writable { - constructor (offset, opts = {}) { - super(opts) - - this.destroyed = false - this._queue = [] - this._position = offset || 0 - this._cb = null - this._buffer = null - this._out = null - } - - _write (chunk, encoding, cb) { - let drained = true - - while (true) { - if (this.destroyed) { - return - } - - // Wait for more queue entries - if (this._queue.length === 0) { - this._buffer = chunk - this._cb = cb - return - } - - this._buffer = null - var currRange = this._queue[0] - // Relative to the start of chunk, what data do we need? - const writeStart = Math.max(currRange.start - this._position, 0) - const writeEnd = currRange.end - this._position - - // Check if we need to throw it all away - if (writeStart >= chunk.length) { - this._position += chunk.length - return cb(null) - } - - // Check if we need to use it all - let toWrite - if (writeEnd > chunk.length) { - this._position += chunk.length - if (writeStart === 0) { - toWrite = chunk - } else { - toWrite = chunk.slice(writeStart) - } - drained = currRange.stream.write(toWrite) && drained - break - } - - this._position += writeEnd - - toWrite = (writeStart === 0 && writeEnd === chunk.length) - ? chunk - : chunk.slice(writeStart, writeEnd) - - drained = currRange.stream.write(toWrite) && drained - if (currRange.last) { - currRange.stream.end() - } - chunk = chunk.slice(writeEnd) - this._queue.shift() - } - - if (drained) { - cb(null) - } else { - currRange.stream.once('drain', cb.bind(null, null)) - } - } - - slice (ranges) { - if (this.destroyed) return null - - if (!Array.isArray(ranges)) ranges = [ranges] - - const str = new PassThrough() - - ranges.forEach((range, i) => { - this._queue.push({ - start: range.start, - end: range.end, - stream: str, - last: i === ranges.length - 1 - }) - }) - - if (this._buffer) { - this._write(this._buffer, null, this._cb) - } - - return str - } - - destroy (err) { - if (this.destroyed) return - this.destroyed = true - - if (err) this.emit('error', err) - } -} - -module.exports = RangeSliceStream - -},{"readable-stream":348}],334:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],335:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":337,"./_stream_writable":339,"_process":309,"dup":29,"inherits":229}],336:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":338,"dup":30,"inherits":229}],337:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":334,"./_stream_duplex":335,"./internal/streams/async_iterator":340,"./internal/streams/buffer_list":341,"./internal/streams/destroy":342,"./internal/streams/from":344,"./internal/streams/state":346,"./internal/streams/stream":347,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],338:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":334,"./_stream_duplex":335,"dup":32,"inherits":229}],339:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":334,"./_stream_duplex":335,"./internal/streams/destroy":342,"./internal/streams/state":346,"./internal/streams/stream":347,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],340:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":343,"_process":309,"dup":34}],341:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],342:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],343:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":334,"dup":37}],344:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],345:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":334,"./end-of-stream":343,"dup":39}],346:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":334,"dup":40}],347:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],348:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":335,"./lib/_stream_passthrough.js":336,"./lib/_stream_readable.js":337,"./lib/_stream_transform.js":338,"./lib/_stream_writable.js":339,"./lib/internal/streams/end-of-stream.js":343,"./lib/internal/streams/pipeline.js":345,"dup":42}],349:[function(require,module,exports){ -"use strict"; - -// Based on RC4 algorithm, as described in -// http://en.wikipedia.org/wiki/RC4 - -function isInteger(n) { - return parseInt(n, 10) === n; -} - -function createRC4(N) { - function identityPermutation() { - var s = new Array(N); - for (var i = 0; i < N; i++) { - s[i] = i; - } - return s; - } - - // :: string | array integer -> array integer - function seed(key) { - if (key === undefined) { - key = new Array(N); - for (var k = 0; k < N; k++) { - key[k] = Math.floor(Math.random() * N); - } - } else if (typeof key === "string") { - // to string - key = "" + key; - key = key.split("").map(function (c) { return c.charCodeAt(0) % N; }); - } else if (Array.isArray(key)) { - if (!key.every(function (v) { - return typeof v === "number" && v === (v | 0); - })) { - throw new TypeError("invalid seed key specified: not array of integers"); - } - } else { - throw new TypeError("invalid seed key specified"); - } - - var keylen = key.length; - - // resed state - var s = identityPermutation(); - - var j = 0; - for (var i = 0; i < N; i++) { - j = (j + s[i] + key[i % keylen]) % N; - var tmp = s[i]; - s[i] = s[j]; - s[j] = tmp; - } - - return s; - } - - /* eslint-disable no-shadow */ - function RC4(key) { - this.s = seed(key); - this.i = 0; - this.j = 0; - } - /* eslint-enable no-shadow */ - - RC4.prototype.randomNative = function () { - this.i = (this.i + 1) % N; - this.j = (this.j + this.s[this.i]) % N; - - var tmp = this.s[this.i]; - this.s[this.i] = this.s[this.j]; - this.s[this.j] = tmp; - - var k = this.s[(this.s[this.i] + this.s[this.j]) % N]; - - return k; - }; - - RC4.prototype.randomUInt32 = function () { - var a = this.randomByte(); - var b = this.randomByte(); - var c = this.randomByte(); - var d = this.randomByte(); - - return ((a * 256 + b) * 256 + c) * 256 + d; - }; - - RC4.prototype.randomFloat = function () { - return this.randomUInt32() / 0x100000000; - }; - - RC4.prototype.random = function () { - var a; - var b; - - if (arguments.length === 1) { - a = 0; - b = arguments[0]; - } else if (arguments.length === 2) { - a = arguments[0]; - b = arguments[1]; - } else { - throw new TypeError("random takes one or two integer arguments"); - } - - if (!isInteger(a) || !isInteger(b)) { - throw new TypeError("random takes one or two integer arguments"); - } - - return a + this.randomUInt32() % (b - a + 1); - }; - - RC4.prototype.currentState = function () { - return { - i: this.i, - j: this.j, - s: this.s.slice(), // copy - }; - }; - - RC4.prototype.setState = function (state) { - var s = state.s; - var i = state.i; - var j = state.j; - - /* eslint-disable yoda */ - if (!(i === (i | 0) && 0 <= i && i < N)) { - throw new Error("state.i should be integer [0, " + (N - 1) + "]"); - } - - if (!(j === (j | 0) && 0 <= j && j < N)) { - throw new Error("state.j should be integer [0, " + (N - 1) + "]"); - } - /* eslint-enable yoda */ - - // check length - if (!Array.isArray(s) || s.length !== N) { - throw new Error("state should be array of length " + N); - } - - // check that all params are there - for (var k = 0; k < N; k++) { - if (s.indexOf(k) === -1) { - throw new Error("state should be permutation of 0.." + (N - 1) + ": " + k + " is missing"); - } - } - - this.i = i; - this.j = j; - this.s = s.slice(); // assign copy - }; - - return RC4; -} - -var RC4 = createRC4(256); -RC4.prototype.randomByte = RC4.prototype.randomNative; - -var RC4small = createRC4(16); -RC4small.prototype.randomByte = function () { - var a = this.randomNative(); - var b = this.randomNative(); - - return a * 16 + b; -}; - -var ordA = "a".charCodeAt(0); -var ord0 = "0".charCodeAt(0); - -function toHex(n) { - return n < 10 ? String.fromCharCode(ord0 + n) : String.fromCharCode(ordA + n - 10); -} - -function fromHex(c) { - return parseInt(c, 16); -} - -RC4small.prototype.currentStateString = function () { - var state = this.currentState(); - - var i = toHex(state.i); - var j = toHex(state.j); - - var res = i + j + state.s.map(toHex).join(""); - return res; -}; - -RC4small.prototype.setStateString = function (stateString) { - if (!stateString.match(/^[0-9a-f]{18}$/)) { - throw new TypeError("RC4small stateString should be 18 hex character string"); - } - - var i = fromHex(stateString[0]); - var j = fromHex(stateString[1]); - var s = stateString.split("").slice(2).map(fromHex); - - this.setState({ - i: i, - j: j, - s: s, - }); -}; - -RC4.RC4small = RC4small; - -module.exports = RC4; - -},{}],350:[function(require,module,exports){ -/*! render-media. MIT License. Feross Aboukhadijeh */ -exports.render = render -exports.append = append -exports.mime = require('./lib/mime.json') - -const debug = require('debug')('render-media') -const isAscii = require('is-ascii') -const MediaElementWrapper = require('mediasource') -const path = require('path') -const streamToBlobURL = require('stream-to-blob-url') -const VideoStream = require('videostream') - -// Note: Everything listed in VIDEOSTREAM_EXTS should also appear in either -// MEDIASOURCE_VIDEO_EXTS or MEDIASOURCE_AUDIO_EXTS. -const VIDEOSTREAM_EXTS = [ - '.m4a', - '.m4b', - '.m4p', - '.m4v', - '.mp4' -] - -const MEDIASOURCE_VIDEO_EXTS = [ - '.m4v', - '.mkv', - '.mp4', - '.webm' -] - -const MEDIASOURCE_AUDIO_EXTS = [ - '.m4a', - '.m4b', - '.m4p', - '.mp3' -] - -const MEDIASOURCE_EXTS = [].concat( - MEDIASOURCE_VIDEO_EXTS, - MEDIASOURCE_AUDIO_EXTS -) - -const VIDEO_EXTS = [ - '.mov', - '.ogv' -] - -const AUDIO_EXTS = [ - '.aac', - '.oga', - '.ogg', - '.wav', - '.flac' -] - -const IMAGE_EXTS = [ - '.bmp', - '.gif', - '.jpeg', - '.jpg', - '.png', - '.svg' -] - -const IFRAME_EXTS = [ - '.css', - '.html', - '.js', - '.md', - '.pdf', - '.srt', - '.txt' -] - -// Maximum file length for which the Blob URL strategy will be attempted -// See: https://github.com/feross/render-media/issues/18 -const MAX_BLOB_LENGTH = 200 * 1000 * 1000 // 200 MB - -const MediaSource = typeof window !== 'undefined' && window.MediaSource - -function render (file, elem, opts, cb) { - if (typeof opts === 'function') { - cb = opts - opts = {} - } - if (!opts) opts = {} - if (!cb) cb = () => {} - - validateFile(file) - parseOpts(opts) - - if (typeof elem === 'string') elem = document.querySelector(elem) - - renderMedia(file, tagName => { - if (elem.nodeName !== tagName.toUpperCase()) { - const extname = path.extname(file.name).toLowerCase() - - throw new Error( - `Cannot render "${extname}" inside a "${elem.nodeName.toLowerCase()}" element, expected "${tagName}"` - ) - } - - if (tagName === 'video' || tagName === 'audio') setMediaOpts(elem, opts) - - return elem - }, opts, cb) -} - -function append (file, rootElem, opts, cb) { - if (typeof opts === 'function') { - cb = opts - opts = {} - } - if (!opts) opts = {} - if (!cb) cb = () => {} - - validateFile(file) - parseOpts(opts) - - if (typeof rootElem === 'string') rootElem = document.querySelector(rootElem) - - if (rootElem && (rootElem.nodeName === 'VIDEO' || rootElem.nodeName === 'AUDIO')) { - throw new Error( - 'Invalid video/audio node argument. Argument must be root element that ' + - 'video/audio tag will be appended to.' - ) - } - - renderMedia(file, getElem, opts, done) - - function getElem (tagName) { - if (tagName === 'video' || tagName === 'audio') return createMedia(tagName) - else return createElem(tagName) - } - - function createMedia (tagName) { - const elem = createElem(tagName) - setMediaOpts(elem, opts) - rootElem.appendChild(elem) - return elem - } - - function createElem (tagName) { - const elem = document.createElement(tagName) - rootElem.appendChild(elem) - return elem - } - - function done (err, elem) { - if (err && elem) elem.remove() - cb(err, elem) - } -} - -function renderMedia (file, getElem, opts, cb) { - const extname = path.extname(file.name).toLowerCase() - let currentTime = 0 - let elem - - if (MEDIASOURCE_EXTS.includes(extname)) { - renderMediaSource() - } else if (VIDEO_EXTS.includes(extname)) { - renderMediaElement('video') - } else if (AUDIO_EXTS.includes(extname)) { - renderMediaElement('audio') - } else if (IMAGE_EXTS.includes(extname)) { - renderImage() - } else if (IFRAME_EXTS.includes(extname)) { - renderIframe() - } else { - tryRenderIframe() - } - - function renderMediaSource () { - const tagName = MEDIASOURCE_VIDEO_EXTS.includes(extname) ? 'video' : 'audio' - - if (MediaSource) { - if (VIDEOSTREAM_EXTS.includes(extname)) { - useVideostream() - } else { - useMediaSource() - } - } else { - useBlobURL() - } - - function useVideostream () { - debug(`Use \`videostream\` package for ${file.name}`) - prepareElem() - elem.addEventListener('error', fallbackToMediaSource) - elem.addEventListener('loadstart', onLoadStart) - elem.addEventListener('loadedmetadata', onLoadedMetadata) - new VideoStream(file, elem) /* eslint-disable-line no-new */ - } - - function useMediaSource () { - debug(`Use MediaSource API for ${file.name}`) - prepareElem() - elem.addEventListener('error', fallbackToBlobURL) - elem.addEventListener('loadstart', onLoadStart) - elem.addEventListener('loadedmetadata', onLoadedMetadata) - - const wrapper = new MediaElementWrapper(elem) - const writable = wrapper.createWriteStream(getCodec(file.name)) - file.createReadStream().pipe(writable) - - if (currentTime) elem.currentTime = currentTime - } - - function useBlobURL () { - debug(`Use Blob URL for ${file.name}`) - prepareElem() - elem.addEventListener('error', fatalError) - elem.addEventListener('loadstart', onLoadStart) - elem.addEventListener('loadedmetadata', onLoadedMetadata) - getBlobURL(file, (err, url) => { - if (err) return fatalError(err) - elem.src = url - if (currentTime) elem.currentTime = currentTime - }) - } - - function fallbackToMediaSource (err) { - debug('videostream error: fallback to MediaSource API: %o', err.message || err) - elem.removeEventListener('error', fallbackToMediaSource) - elem.removeEventListener('loadedmetadata', onLoadedMetadata) - - useMediaSource() - } - - function fallbackToBlobURL (err) { - debug('MediaSource API error: fallback to Blob URL: %o', err.message || err) - if (!checkBlobLength()) return - - elem.removeEventListener('error', fallbackToBlobURL) - elem.removeEventListener('loadedmetadata', onLoadedMetadata) - - useBlobURL() - } - - function prepareElem () { - if (!elem) { - elem = getElem(tagName) - - elem.addEventListener('progress', () => { - currentTime = elem.currentTime - }) - } - } - } - - function checkBlobLength () { - if (typeof file.length === 'number' && file.length > opts.maxBlobLength) { - debug( - 'File length too large for Blob URL approach: %d (max: %d)', - file.length, opts.maxBlobLength - ) - fatalError(new Error( - `File length too large for Blob URL approach: ${file.length} (max: ${opts.maxBlobLength})` - )) - return false - } - return true - } - - function renderMediaElement (type) { - if (!checkBlobLength()) return - - elem = getElem(type) - getBlobURL(file, (err, url) => { - if (err) return fatalError(err) - elem.addEventListener('error', fatalError) - elem.addEventListener('loadstart', onLoadStart) - elem.addEventListener('loadedmetadata', onLoadedMetadata) - elem.src = url - }) - } - - function onLoadStart () { - elem.removeEventListener('loadstart', onLoadStart) - if (opts.autoplay) { - const playPromise = elem.play() - if (typeof playPromise !== 'undefined') playPromise.catch(fatalError) - } - } - - function onLoadedMetadata () { - elem.removeEventListener('loadedmetadata', onLoadedMetadata) - cb(null, elem) - } - - function renderImage () { - elem = getElem('img') - getBlobURL(file, (err, url) => { - if (err) return fatalError(err) - elem.src = url - elem.alt = file.name - cb(null, elem) - }) - } - - function renderIframe () { - getBlobURL(file, (err, url) => { - if (err) return fatalError(err) - - if (extname !== '.pdf') { - // Render iframe - elem = getElem('iframe') - elem.sandbox = 'allow-forms allow-scripts' - elem.src = url - } else { - // Render .pdf - elem = getElem('object') - // Firefox-only: `typemustmatch` keeps the embedded file from running unless - // its content type matches the specified `type` attribute - elem.setAttribute('typemustmatch', true) - elem.setAttribute('type', 'application/pdf') - elem.setAttribute('data', url) - } - cb(null, elem) - }) - } - - function tryRenderIframe () { - debug('Unknown file extension "%s" - will attempt to render into iframe', extname) - - let str = '' - file.createReadStream({ start: 0, end: 1000 }) - .setEncoding('utf8') - .on('data', chunk => { - str += chunk - }) - .on('end', done) - .on('error', cb) - - function done () { - if (isAscii(str)) { - debug('File extension "%s" appears ascii, so will render.', extname) - renderIframe() - } else { - debug('File extension "%s" appears non-ascii, will not render.', extname) - cb(new Error(`Unsupported file type "${extname}": Cannot append to DOM`)) - } - } - } - - function fatalError (err) { - err.message = `Error rendering file "${file.name}": ${err.message}` - debug(err.message) - cb(err) - } -} - -function getBlobURL (file, cb) { - const extname = path.extname(file.name).toLowerCase() - streamToBlobURL(file.createReadStream(), exports.mime[extname]) - .then( - blobUrl => cb(null, blobUrl), - err => cb(err) - ) -} - -function validateFile (file) { - if (file == null) { - throw new Error('file cannot be null or undefined') - } - if (typeof file.name !== 'string') { - throw new Error('missing or invalid file.name property') - } - if (typeof file.createReadStream !== 'function') { - throw new Error('missing or invalid file.createReadStream property') - } -} - -function getCodec (name) { - const extname = path.extname(name).toLowerCase() - return { - '.m4a': 'audio/mp4; codecs="mp4a.40.5"', - '.m4b': 'audio/mp4; codecs="mp4a.40.5"', - '.m4p': 'audio/mp4; codecs="mp4a.40.5"', - '.m4v': 'video/mp4; codecs="avc1.640029, mp4a.40.5"', - '.mkv': 'video/webm; codecs="avc1.640029, mp4a.40.5"', - '.mp3': 'audio/mpeg', - '.mp4': 'video/mp4; codecs="avc1.640029, mp4a.40.5"', - '.webm': 'video/webm; codecs="vorbis, vp8"' - }[extname] -} - -function parseOpts (opts) { - if (opts.autoplay == null) opts.autoplay = false - if (opts.muted == null) opts.muted = false - if (opts.controls == null) opts.controls = true - if (opts.maxBlobLength == null) opts.maxBlobLength = MAX_BLOB_LENGTH -} - -function setMediaOpts (elem, opts) { - elem.autoplay = !!opts.autoplay - elem.muted = !!opts.muted - elem.controls = !!opts.controls -} - -},{"./lib/mime.json":351,"debug":148,"is-ascii":230,"mediasource":242,"path":301,"stream-to-blob-url":443,"videostream":461}],351:[function(require,module,exports){ -module.exports={ - ".3gp": "video/3gpp", - ".aac": "audio/aac", - ".aif": "audio/x-aiff", - ".aiff": "audio/x-aiff", - ".atom": "application/atom+xml", - ".avi": "video/x-msvideo", - ".bmp": "image/bmp", - ".bz2": "application/x-bzip2", - ".conf": "text/plain", - ".css": "text/css", - ".csv": "text/plain", - ".diff": "text/x-diff", - ".doc": "application/msword", - ".flv": "video/x-flv", - ".gif": "image/gif", - ".gz": "application/x-gzip", - ".htm": "text/html", - ".html": "text/html", - ".ico": "image/vnd.microsoft.icon", - ".ics": "text/calendar", - ".iso": "application/octet-stream", - ".jar": "application/java-archive", - ".jpeg": "image/jpeg", - ".jpg": "image/jpeg", - ".js": "application/javascript", - ".json": "application/json", - ".less": "text/css", - ".log": "text/plain", - ".m3u": "audio/x-mpegurl", - ".m4a": "audio/x-m4a", - ".m4b": "audio/mp4", - ".m4p": "audio/mp4", - ".m4v": "video/x-m4v", - ".manifest": "text/cache-manifest", - ".markdown": "text/x-markdown", - ".mathml": "application/mathml+xml", - ".md": "text/x-markdown", - ".mid": "audio/midi", - ".midi": "audio/midi", - ".mov": "video/quicktime", - ".mp3": "audio/mpeg", - ".mp4": "video/mp4", - ".mp4v": "video/mp4", - ".mpeg": "video/mpeg", - ".mpg": "video/mpeg", - ".odp": "application/vnd.oasis.opendocument.presentation", - ".ods": "application/vnd.oasis.opendocument.spreadsheet", - ".odt": "application/vnd.oasis.opendocument.text", - ".oga": "audio/ogg", - ".ogg": "application/ogg", - ".pdf": "application/pdf", - ".png": "image/png", - ".pps": "application/vnd.ms-powerpoint", - ".ppt": "application/vnd.ms-powerpoint", - ".ps": "application/postscript", - ".psd": "image/vnd.adobe.photoshop", - ".qt": "video/quicktime", - ".rar": "application/x-rar-compressed", - ".rdf": "application/rdf+xml", - ".rss": "application/rss+xml", - ".rtf": "application/rtf", - ".svg": "image/svg+xml", - ".svgz": "image/svg+xml", - ".swf": "application/x-shockwave-flash", - ".tar": "application/x-tar", - ".tbz": "application/x-bzip-compressed-tar", - ".text": "text/plain", - ".tif": "image/tiff", - ".tiff": "image/tiff", - ".torrent": "application/x-bittorrent", - ".ttf": "application/x-font-ttf", - ".txt": "text/plain", - ".wav": "audio/wav", - ".webm": "video/webm", - ".wma": "audio/x-ms-wma", - ".wmv": "video/x-ms-wmv", - ".xls": "application/vnd.ms-excel", - ".xml": "application/xml", - ".yaml": "text/yaml", - ".yml": "text/yaml", - ".zip": "application/zip" -} - -},{}],352:[function(require,module,exports){ -'use strict' -var Buffer = require('buffer').Buffer -var inherits = require('inherits') -var HashBase = require('hash-base') - -var ARRAY16 = new Array(16) - -var zl = [ - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, - 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, - 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, - 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 -] - -var zr = [ - 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, - 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, - 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, - 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, - 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 -] - -var sl = [ - 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8, - 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12, - 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5, - 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12, - 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 -] - -var sr = [ - 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, - 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, - 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, - 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, - 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 -] - -var hl = [0x00000000, 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xa953fd4e] -var hr = [0x50a28be6, 0x5c4dd124, 0x6d703ef3, 0x7a6d76e9, 0x00000000] - -function RIPEMD160 () { - HashBase.call(this, 64) - - // state - this._a = 0x67452301 - this._b = 0xefcdab89 - this._c = 0x98badcfe - this._d = 0x10325476 - this._e = 0xc3d2e1f0 -} - -inherits(RIPEMD160, HashBase) - -RIPEMD160.prototype._update = function () { - var words = ARRAY16 - for (var j = 0; j < 16; ++j) words[j] = this._block.readInt32LE(j * 4) - - var al = this._a | 0 - var bl = this._b | 0 - var cl = this._c | 0 - var dl = this._d | 0 - var el = this._e | 0 - - var ar = this._a | 0 - var br = this._b | 0 - var cr = this._c | 0 - var dr = this._d | 0 - var er = this._e | 0 - - // computation - for (var i = 0; i < 80; i += 1) { - var tl - var tr - if (i < 16) { - tl = fn1(al, bl, cl, dl, el, words[zl[i]], hl[0], sl[i]) - tr = fn5(ar, br, cr, dr, er, words[zr[i]], hr[0], sr[i]) - } else if (i < 32) { - tl = fn2(al, bl, cl, dl, el, words[zl[i]], hl[1], sl[i]) - tr = fn4(ar, br, cr, dr, er, words[zr[i]], hr[1], sr[i]) - } else if (i < 48) { - tl = fn3(al, bl, cl, dl, el, words[zl[i]], hl[2], sl[i]) - tr = fn3(ar, br, cr, dr, er, words[zr[i]], hr[2], sr[i]) - } else if (i < 64) { - tl = fn4(al, bl, cl, dl, el, words[zl[i]], hl[3], sl[i]) - tr = fn2(ar, br, cr, dr, er, words[zr[i]], hr[3], sr[i]) - } else { // if (i<80) { - tl = fn5(al, bl, cl, dl, el, words[zl[i]], hl[4], sl[i]) - tr = fn1(ar, br, cr, dr, er, words[zr[i]], hr[4], sr[i]) - } - - al = el - el = dl - dl = rotl(cl, 10) - cl = bl - bl = tl - - ar = er - er = dr - dr = rotl(cr, 10) - cr = br - br = tr - } - - // update state - var t = (this._b + cl + dr) | 0 - this._b = (this._c + dl + er) | 0 - this._c = (this._d + el + ar) | 0 - this._d = (this._e + al + br) | 0 - this._e = (this._a + bl + cr) | 0 - this._a = t -} - -RIPEMD160.prototype._digest = function () { - // create padding and handle blocks - this._block[this._blockOffset++] = 0x80 - if (this._blockOffset > 56) { - this._block.fill(0, this._blockOffset, 64) - this._update() - this._blockOffset = 0 - } - - this._block.fill(0, this._blockOffset, 56) - this._block.writeUInt32LE(this._length[0], 56) - this._block.writeUInt32LE(this._length[1], 60) - this._update() - - // produce result - var buffer = Buffer.alloc ? Buffer.alloc(20) : new Buffer(20) - buffer.writeInt32LE(this._a, 0) - buffer.writeInt32LE(this._b, 4) - buffer.writeInt32LE(this._c, 8) - buffer.writeInt32LE(this._d, 12) - buffer.writeInt32LE(this._e, 16) - return buffer -} - -function rotl (x, n) { - return (x << n) | (x >>> (32 - n)) -} - -function fn1 (a, b, c, d, e, m, k, s) { - return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + e) | 0 -} - -function fn2 (a, b, c, d, e, m, k, s) { - return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + e) | 0 -} - -function fn3 (a, b, c, d, e, m, k, s) { - return (rotl((a + ((b | (~c)) ^ d) + m + k) | 0, s) + e) | 0 -} - -function fn4 (a, b, c, d, e, m, k, s) { - return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + e) | 0 -} - -function fn5 (a, b, c, d, e, m, k, s) { - return (rotl((a + (b ^ (c | (~d))) + m + k) | 0, s) + e) | 0 -} - -module.exports = RIPEMD160 - -},{"buffer":110,"hash-base":196,"inherits":229}],353:[function(require,module,exports){ -/*! run-parallel-limit. MIT License. Feross Aboukhadijeh */ -module.exports = runParallelLimit - -const queueMicrotask = require('queue-microtask') - -function runParallelLimit (tasks, limit, cb) { - if (typeof limit !== 'number') throw new Error('second argument must be a Number') - let results, len, pending, keys, isErrored - let isSync = true - let next - - if (Array.isArray(tasks)) { - results = [] - pending = len = tasks.length - } else { - keys = Object.keys(tasks) - results = {} - pending = len = keys.length - } - - function done (err) { - function end () { - if (cb) cb(err, results) - cb = null - } - if (isSync) queueMicrotask(end) - else end() - } - - function each (i, err, result) { - results[i] = result - if (err) isErrored = true - if (--pending === 0 || err) { - done(err) - } else if (!isErrored && next < len) { - let key - if (keys) { - key = keys[next] - next += 1 - tasks[key](function (err, result) { each(key, err, result) }) - } else { - key = next - next += 1 - tasks[key](function (err, result) { each(key, err, result) }) - } - } - } - - next = limit - if (!pending) { - // empty - done(null) - } else if (keys) { - // object - keys.some(function (key, i) { - tasks[key](function (err, result) { each(key, err, result) }) - if (i === limit - 1) return true // early return - return false - }) - } else { - // array - tasks.some(function (task, i) { - task(function (err, result) { each(i, err, result) }) - if (i === limit - 1) return true // early return - return false - }) - } - - isSync = false -} - -},{"queue-microtask":327}],354:[function(require,module,exports){ -/*! run-parallel. MIT License. Feross Aboukhadijeh */ -module.exports = runParallel - -const queueMicrotask = require('queue-microtask') - -function runParallel (tasks, cb) { - let results, pending, keys - let isSync = true - - if (Array.isArray(tasks)) { - results = [] - pending = tasks.length - } else { - keys = Object.keys(tasks) - results = {} - pending = keys.length - } - - function done (err) { - function end () { - if (cb) cb(err, results) - cb = null - } - if (isSync) queueMicrotask(end) - else end() - } - - function each (i, err, result) { - results[i] = result - if (--pending === 0 || err) { - done(err) - } - } - - if (!pending) { - // empty - done(null) - } else if (keys) { - // object - keys.forEach(function (key) { - tasks[key](function (err, result) { each(key, err, result) }) - }) - } else { - // array - tasks.forEach(function (task, i) { - task(function (err, result) { each(i, err, result) }) - }) - } - - isSync = false -} - -},{"queue-microtask":327}],355:[function(require,module,exports){ -(function webpackUniversalModuleDefinition(root, factory) { - if(typeof exports === 'object' && typeof module === 'object') - module.exports = factory(); - else if(typeof define === 'function' && define.amd) - define([], factory); - else if(typeof exports === 'object') - exports["Rusha"] = factory(); - else - root["Rusha"] = factory(); -})(typeof self !== 'undefined' ? self : this, function() { -return /******/ (function(modules) { // webpackBootstrap -/******/ // The module cache -/******/ var installedModules = {}; -/******/ -/******/ // The require function -/******/ function __webpack_require__(moduleId) { -/******/ -/******/ // Check if module is in cache -/******/ if(installedModules[moduleId]) { -/******/ return installedModules[moduleId].exports; -/******/ } -/******/ // Create a new module (and put it into the cache) -/******/ var module = installedModules[moduleId] = { -/******/ i: moduleId, -/******/ l: false, -/******/ exports: {} -/******/ }; -/******/ -/******/ // Execute the module function -/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); -/******/ -/******/ // Flag the module as loaded -/******/ module.l = true; -/******/ -/******/ // Return the exports of the module -/******/ return module.exports; -/******/ } -/******/ -/******/ -/******/ // expose the modules object (__webpack_modules__) -/******/ __webpack_require__.m = modules; -/******/ -/******/ // expose the module cache -/******/ __webpack_require__.c = installedModules; -/******/ -/******/ // define getter function for harmony exports -/******/ __webpack_require__.d = function(exports, name, getter) { -/******/ if(!__webpack_require__.o(exports, name)) { -/******/ Object.defineProperty(exports, name, { -/******/ configurable: false, -/******/ enumerable: true, -/******/ get: getter -/******/ }); -/******/ } -/******/ }; -/******/ -/******/ // getDefaultExport function for compatibility with non-harmony modules -/******/ __webpack_require__.n = function(module) { -/******/ var getter = module && module.__esModule ? -/******/ function getDefault() { return module['default']; } : -/******/ function getModuleExports() { return module; }; -/******/ __webpack_require__.d(getter, 'a', getter); -/******/ return getter; -/******/ }; -/******/ -/******/ // Object.prototype.hasOwnProperty.call -/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; -/******/ -/******/ // __webpack_public_path__ -/******/ __webpack_require__.p = ""; -/******/ -/******/ // Load entry module and return exports -/******/ return __webpack_require__(__webpack_require__.s = 3); -/******/ }) -/************************************************************************/ -/******/ ([ -/* 0 */ -/***/ (function(module, exports, __webpack_require__) { - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - -/* eslint-env commonjs, browser */ - -var RushaCore = __webpack_require__(5); - -var _require = __webpack_require__(1), - toHex = _require.toHex, - ceilHeapSize = _require.ceilHeapSize; - -var conv = __webpack_require__(6); - -// Calculate the length of buffer that the sha1 routine uses -// including the padding. -var padlen = function (len) { - for (len += 9; len % 64 > 0; len += 1) {} - return len; -}; - -var padZeroes = function (bin, len) { - var h8 = new Uint8Array(bin.buffer); - var om = len % 4, - align = len - om; - switch (om) { - case 0: - h8[align + 3] = 0; - case 1: - h8[align + 2] = 0; - case 2: - h8[align + 1] = 0; - case 3: - h8[align + 0] = 0; - } - for (var i = (len >> 2) + 1; i < bin.length; i++) { - bin[i] = 0; - } -}; - -var padData = function (bin, chunkLen, msgLen) { - bin[chunkLen >> 2] |= 0x80 << 24 - (chunkLen % 4 << 3); - // To support msgLen >= 2 GiB, use a float division when computing the - // high 32-bits of the big-endian message length in bits. - bin[((chunkLen >> 2) + 2 & ~0x0f) + 14] = msgLen / (1 << 29) | 0; - bin[((chunkLen >> 2) + 2 & ~0x0f) + 15] = msgLen << 3; -}; - -var getRawDigest = function (heap, padMaxChunkLen) { - var io = new Int32Array(heap, padMaxChunkLen + 320, 5); - var out = new Int32Array(5); - var arr = new DataView(out.buffer); - arr.setInt32(0, io[0], false); - arr.setInt32(4, io[1], false); - arr.setInt32(8, io[2], false); - arr.setInt32(12, io[3], false); - arr.setInt32(16, io[4], false); - return out; -}; - -var Rusha = function () { - function Rusha(chunkSize) { - _classCallCheck(this, Rusha); - - chunkSize = chunkSize || 64 * 1024; - if (chunkSize % 64 > 0) { - throw new Error('Chunk size must be a multiple of 128 bit'); - } - this._offset = 0; - this._maxChunkLen = chunkSize; - this._padMaxChunkLen = padlen(chunkSize); - // The size of the heap is the sum of: - // 1. The padded input message size - // 2. The extended space the algorithm needs (320 byte) - // 3. The 160 bit state the algoritm uses - this._heap = new ArrayBuffer(ceilHeapSize(this._padMaxChunkLen + 320 + 20)); - this._h32 = new Int32Array(this._heap); - this._h8 = new Int8Array(this._heap); - this._core = new RushaCore({ Int32Array: Int32Array }, {}, this._heap); - } - - Rusha.prototype._initState = function _initState(heap, padMsgLen) { - this._offset = 0; - var io = new Int32Array(heap, padMsgLen + 320, 5); - io[0] = 1732584193; - io[1] = -271733879; - io[2] = -1732584194; - io[3] = 271733878; - io[4] = -1009589776; - }; - - Rusha.prototype._padChunk = function _padChunk(chunkLen, msgLen) { - var padChunkLen = padlen(chunkLen); - var view = new Int32Array(this._heap, 0, padChunkLen >> 2); - padZeroes(view, chunkLen); - padData(view, chunkLen, msgLen); - return padChunkLen; - }; - - Rusha.prototype._write = function _write(data, chunkOffset, chunkLen, off) { - conv(data, this._h8, this._h32, chunkOffset, chunkLen, off || 0); - }; - - Rusha.prototype._coreCall = function _coreCall(data, chunkOffset, chunkLen, msgLen, finalize) { - var padChunkLen = chunkLen; - this._write(data, chunkOffset, chunkLen); - if (finalize) { - padChunkLen = this._padChunk(chunkLen, msgLen); - } - this._core.hash(padChunkLen, this._padMaxChunkLen); - }; - - Rusha.prototype.rawDigest = function rawDigest(str) { - var msgLen = str.byteLength || str.length || str.size || 0; - this._initState(this._heap, this._padMaxChunkLen); - var chunkOffset = 0, - chunkLen = this._maxChunkLen; - for (chunkOffset = 0; msgLen > chunkOffset + chunkLen; chunkOffset += chunkLen) { - this._coreCall(str, chunkOffset, chunkLen, msgLen, false); - } - this._coreCall(str, chunkOffset, msgLen - chunkOffset, msgLen, true); - return getRawDigest(this._heap, this._padMaxChunkLen); - }; - - Rusha.prototype.digest = function digest(str) { - return toHex(this.rawDigest(str).buffer); - }; - - Rusha.prototype.digestFromString = function digestFromString(str) { - return this.digest(str); - }; - - Rusha.prototype.digestFromBuffer = function digestFromBuffer(str) { - return this.digest(str); - }; - - Rusha.prototype.digestFromArrayBuffer = function digestFromArrayBuffer(str) { - return this.digest(str); - }; - - Rusha.prototype.resetState = function resetState() { - this._initState(this._heap, this._padMaxChunkLen); - return this; - }; - - Rusha.prototype.append = function append(chunk) { - var chunkOffset = 0; - var chunkLen = chunk.byteLength || chunk.length || chunk.size || 0; - var turnOffset = this._offset % this._maxChunkLen; - var inputLen = void 0; - - this._offset += chunkLen; - while (chunkOffset < chunkLen) { - inputLen = Math.min(chunkLen - chunkOffset, this._maxChunkLen - turnOffset); - this._write(chunk, chunkOffset, inputLen, turnOffset); - turnOffset += inputLen; - chunkOffset += inputLen; - if (turnOffset === this._maxChunkLen) { - this._core.hash(this._maxChunkLen, this._padMaxChunkLen); - turnOffset = 0; - } - } - return this; - }; - - Rusha.prototype.getState = function getState() { - var turnOffset = this._offset % this._maxChunkLen; - var heap = void 0; - if (!turnOffset) { - var io = new Int32Array(this._heap, this._padMaxChunkLen + 320, 5); - heap = io.buffer.slice(io.byteOffset, io.byteOffset + io.byteLength); - } else { - heap = this._heap.slice(0); - } - return { - offset: this._offset, - heap: heap - }; - }; - - Rusha.prototype.setState = function setState(state) { - this._offset = state.offset; - if (state.heap.byteLength === 20) { - var io = new Int32Array(this._heap, this._padMaxChunkLen + 320, 5); - io.set(new Int32Array(state.heap)); - } else { - this._h32.set(new Int32Array(state.heap)); - } - return this; - }; - - Rusha.prototype.rawEnd = function rawEnd() { - var msgLen = this._offset; - var chunkLen = msgLen % this._maxChunkLen; - var padChunkLen = this._padChunk(chunkLen, msgLen); - this._core.hash(padChunkLen, this._padMaxChunkLen); - var result = getRawDigest(this._heap, this._padMaxChunkLen); - this._initState(this._heap, this._padMaxChunkLen); - return result; - }; - - Rusha.prototype.end = function end() { - return toHex(this.rawEnd().buffer); - }; - - return Rusha; -}(); - -module.exports = Rusha; -module.exports._core = RushaCore; - -/***/ }), -/* 1 */ -/***/ (function(module, exports) { - -/* eslint-env commonjs, browser */ - -// -// toHex -// - -var precomputedHex = new Array(256); -for (var i = 0; i < 256; i++) { - precomputedHex[i] = (i < 0x10 ? '0' : '') + i.toString(16); -} - -module.exports.toHex = function (arrayBuffer) { - var binarray = new Uint8Array(arrayBuffer); - var res = new Array(arrayBuffer.byteLength); - for (var _i = 0; _i < res.length; _i++) { - res[_i] = precomputedHex[binarray[_i]]; - } - return res.join(''); -}; - -// -// ceilHeapSize -// - -module.exports.ceilHeapSize = function (v) { - // The asm.js spec says: - // The heap object's byteLength must be either - // 2^n for n in [12, 24) or 2^24 * n for n ≥ 1. - // Also, byteLengths smaller than 2^16 are deprecated. - var p = 0; - // If v is smaller than 2^16, the smallest possible solution - // is 2^16. - if (v <= 65536) return 65536; - // If v < 2^24, we round up to 2^n, - // otherwise we round up to 2^24 * n. - if (v < 16777216) { - for (p = 1; p < v; p = p << 1) {} - } else { - for (p = 16777216; p < v; p += 16777216) {} - } - return p; -}; - -// -// isDedicatedWorkerScope -// - -module.exports.isDedicatedWorkerScope = function (self) { - var isRunningInWorker = 'WorkerGlobalScope' in self && self instanceof self.WorkerGlobalScope; - var isRunningInSharedWorker = 'SharedWorkerGlobalScope' in self && self instanceof self.SharedWorkerGlobalScope; - var isRunningInServiceWorker = 'ServiceWorkerGlobalScope' in self && self instanceof self.ServiceWorkerGlobalScope; - - // Detects whether we run inside a dedicated worker or not. - // - // We can't just check for `DedicatedWorkerGlobalScope`, since IE11 - // has a bug where it only supports `WorkerGlobalScope`. - // - // Therefore, we consider us as running inside a dedicated worker - // when we are running inside a worker, but not in a shared or service worker. - // - // When new types of workers are introduced, we will need to adjust this code. - return isRunningInWorker && !isRunningInSharedWorker && !isRunningInServiceWorker; -}; - -/***/ }), -/* 2 */ -/***/ (function(module, exports, __webpack_require__) { - -/* eslint-env commonjs, worker */ - -module.exports = function () { - var Rusha = __webpack_require__(0); - - var hashData = function (hasher, data, cb) { - try { - return cb(null, hasher.digest(data)); - } catch (e) { - return cb(e); - } - }; - - var hashFile = function (hasher, readTotal, blockSize, file, cb) { - var reader = new self.FileReader(); - reader.onloadend = function onloadend() { - if (reader.error) { - return cb(reader.error); - } - var buffer = reader.result; - readTotal += reader.result.byteLength; - try { - hasher.append(buffer); - } catch (e) { - cb(e); - return; - } - if (readTotal < file.size) { - hashFile(hasher, readTotal, blockSize, file, cb); - } else { - cb(null, hasher.end()); - } - }; - reader.readAsArrayBuffer(file.slice(readTotal, readTotal + blockSize)); - }; - - var workerBehaviourEnabled = true; - - self.onmessage = function (event) { - if (!workerBehaviourEnabled) { - return; - } - - var data = event.data.data, - file = event.data.file, - id = event.data.id; - if (typeof id === 'undefined') return; - if (!file && !data) return; - var blockSize = event.data.blockSize || 4 * 1024 * 1024; - var hasher = new Rusha(blockSize); - hasher.resetState(); - var done = function (err, hash) { - if (!err) { - self.postMessage({ id: id, hash: hash }); - } else { - self.postMessage({ id: id, error: err.name }); - } - }; - if (data) hashData(hasher, data, done); - if (file) hashFile(hasher, 0, blockSize, file, done); - }; - - return function () { - workerBehaviourEnabled = false; - }; -}; - -/***/ }), -/* 3 */ -/***/ (function(module, exports, __webpack_require__) { - -/* eslint-env commonjs, browser */ - -var work = __webpack_require__(4); -var Rusha = __webpack_require__(0); -var createHash = __webpack_require__(7); -var runWorker = __webpack_require__(2); - -var _require = __webpack_require__(1), - isDedicatedWorkerScope = _require.isDedicatedWorkerScope; - -var isRunningInDedicatedWorker = typeof self !== 'undefined' && isDedicatedWorkerScope(self); - -Rusha.disableWorkerBehaviour = isRunningInDedicatedWorker ? runWorker() : function () {}; - -Rusha.createWorker = function () { - var worker = work(/*require.resolve*/(2)); - var terminate = worker.terminate; - worker.terminate = function () { - URL.revokeObjectURL(worker.objectURL); - terminate.call(worker); - }; - return worker; -}; - -Rusha.createHash = createHash; - -module.exports = Rusha; - -/***/ }), -/* 4 */ -/***/ (function(module, exports, __webpack_require__) { - -function webpackBootstrapFunc (modules) { -/******/ // The module cache -/******/ var installedModules = {}; - -/******/ // The require function -/******/ function __webpack_require__(moduleId) { - -/******/ // Check if module is in cache -/******/ if(installedModules[moduleId]) -/******/ return installedModules[moduleId].exports; - -/******/ // Create a new module (and put it into the cache) -/******/ var module = installedModules[moduleId] = { -/******/ i: moduleId, -/******/ l: false, -/******/ exports: {} -/******/ }; - -/******/ // Execute the module function -/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); - -/******/ // Flag the module as loaded -/******/ module.l = true; - -/******/ // Return the exports of the module -/******/ return module.exports; -/******/ } - -/******/ // expose the modules object (__webpack_modules__) -/******/ __webpack_require__.m = modules; - -/******/ // expose the module cache -/******/ __webpack_require__.c = installedModules; - -/******/ // identity function for calling harmony imports with the correct context -/******/ __webpack_require__.i = function(value) { return value; }; - -/******/ // define getter function for harmony exports -/******/ __webpack_require__.d = function(exports, name, getter) { -/******/ if(!__webpack_require__.o(exports, name)) { -/******/ Object.defineProperty(exports, name, { -/******/ configurable: false, -/******/ enumerable: true, -/******/ get: getter -/******/ }); -/******/ } -/******/ }; - -/******/ // define __esModule on exports -/******/ __webpack_require__.r = function(exports) { -/******/ Object.defineProperty(exports, '__esModule', { value: true }); -/******/ }; - -/******/ // getDefaultExport function for compatibility with non-harmony modules -/******/ __webpack_require__.n = function(module) { -/******/ var getter = module && module.__esModule ? -/******/ function getDefault() { return module['default']; 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i < queues.length; i++) { - var queueName = queues[i] - var queue = modulesQueue[queueName] - var moduleToCheck = queue.pop() - seenModules[queueName] = seenModules[queueName] || {} - if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue - seenModules[queueName][moduleToCheck] = true - requiredModules[queueName] = requiredModules[queueName] || [] - requiredModules[queueName].push(moduleToCheck) - var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName) - var newModulesKeys = Object.keys(newModules) - for (var j = 0; j < newModulesKeys.length; j++) { - modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || [] - modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]]) - } - } - } - - return requiredModules -} - -module.exports = function (moduleId, options) { - options = options || {} - var sources = { - main: __webpack_require__.m - } - - var requiredModules = options.all ? { main: Object.keys(sources) } : getRequiredModules(sources, moduleId) - - var src = '' - - Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) { - var entryModule = 0 - while (requiredModules[module][entryModule]) { - entryModule++ - } - requiredModules[module].push(entryModule) - sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })' - src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\n' - }) - - src = src + '(' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '})(self);' - - var blob = new window.Blob([src], { type: 'text/javascript' }) - if (options.bare) { return blob } - - var URL = window.URL || window.webkitURL || window.mozURL || window.msURL - - var workerUrl = URL.createObjectURL(blob) - var worker = new window.Worker(workerUrl) - worker.objectURL = workerUrl - - return worker -} - - -/***/ }), -/* 5 */ -/***/ (function(module, exports) { - -// The low-level RushCore module provides the heart of Rusha, -// a high-speed sha1 implementation working on an Int32Array heap. -// At first glance, the implementation seems complicated, however -// with the SHA1 spec at hand, it is obvious this almost a textbook -// implementation that has a few functions hand-inlined and a few loops -// hand-unrolled. -module.exports = function RushaCore(stdlib$840, foreign$841, heap$842) { - 'use asm'; - var H$843 = new stdlib$840.Int32Array(heap$842); - function hash$844(k$845, x$846) { - // k in bytes - k$845 = k$845 | 0; - x$846 = x$846 | 0; - var i$847 = 0, j$848 = 0, y0$849 = 0, z0$850 = 0, y1$851 = 0, z1$852 = 0, y2$853 = 0, z2$854 = 0, y3$855 = 0, z3$856 = 0, y4$857 = 0, z4$858 = 0, t0$859 = 0, t1$860 = 0; - y0$849 = H$843[x$846 + 320 >> 2] | 0; - y1$851 = H$843[x$846 + 324 >> 2] | 0; - y2$853 = H$843[x$846 + 328 >> 2] | 0; - y3$855 = H$843[x$846 + 332 >> 2] | 0; - y4$857 = H$843[x$846 + 336 >> 2] | 0; - for (i$847 = 0; (i$847 | 0) < (k$845 | 0); i$847 = i$847 + 64 | 0) { - z0$850 = y0$849; - z1$852 = y1$851; - z2$854 = y2$853; - z3$856 = y3$855; - z4$858 = y4$857; - for (j$848 = 0; (j$848 | 0) < 64; j$848 = j$848 + 4 | 0) { - t1$860 = H$843[i$847 + j$848 >> 2] | 0; - t0$859 = ((y0$849 << 5 | y0$849 >>> 27) + (y1$851 & y2$853 | ~y1$851 & y3$855) | 0) + ((t1$860 + y4$857 | 0) + 1518500249 | 0) | 0; - y4$857 = y3$855; - y3$855 = y2$853; - y2$853 = y1$851 << 30 | y1$851 >>> 2; - y1$851 = y0$849; - y0$849 = t0$859; - H$843[k$845 + j$848 >> 2] = t1$860; - } - for (j$848 = k$845 + 64 | 0; (j$848 | 0) < (k$845 + 80 | 0); j$848 = j$848 + 4 | 0) { - t1$860 = (H$843[j$848 - 12 >> 2] ^ H$843[j$848 - 32 >> 2] ^ H$843[j$848 - 56 >> 2] ^ H$843[j$848 - 64 >> 2]) << 1 | (H$843[j$848 - 12 >> 2] ^ H$843[j$848 - 32 >> 2] ^ H$843[j$848 - 56 >> 2] ^ H$843[j$848 - 64 >> 2]) >>> 31; - t0$859 = ((y0$849 << 5 | y0$849 >>> 27) + (y1$851 & y2$853 | ~y1$851 & y3$855) | 0) + ((t1$860 + y4$857 | 0) + 1518500249 | 0) | 0; - y4$857 = y3$855; - y3$855 = y2$853; - y2$853 = y1$851 << 30 | y1$851 >>> 2; - y1$851 = y0$849; - y0$849 = t0$859; - H$843[j$848 >> 2] = t1$860; - } - for (j$848 = k$845 + 80 | 0; (j$848 | 0) < (k$845 + 160 | 0); j$848 = j$848 + 4 | 0) { - t1$860 = (H$843[j$848 - 12 >> 2] ^ H$843[j$848 - 32 >> 2] ^ H$843[j$848 - 56 >> 2] ^ H$843[j$848 - 64 >> 2]) << 1 | (H$843[j$848 - 12 >> 2] ^ H$843[j$848 - 32 >> 2] ^ H$843[j$848 - 56 >> 2] ^ H$843[j$848 - 64 >> 2]) >>> 31; - t0$859 = ((y0$849 << 5 | y0$849 >>> 27) + (y1$851 ^ y2$853 ^ y3$855) | 0) + ((t1$860 + y4$857 | 0) + 1859775393 | 0) | 0; - y4$857 = y3$855; - y3$855 = y2$853; - y2$853 = y1$851 << 30 | y1$851 >>> 2; - y1$851 = y0$849; - y0$849 = t0$859; - H$843[j$848 >> 2] = t1$860; - } - for (j$848 = k$845 + 160 | 0; (j$848 | 0) < (k$845 + 240 | 0); j$848 = j$848 + 4 | 0) { - t1$860 = (H$843[j$848 - 12 >> 2] ^ H$843[j$848 - 32 >> 2] ^ H$843[j$848 - 56 >> 2] ^ H$843[j$848 - 64 >> 2]) << 1 | (H$843[j$848 - 12 >> 2] ^ H$843[j$848 - 32 >> 2] ^ H$843[j$848 - 56 >> 2] ^ H$843[j$848 - 64 >> 2]) >>> 31; - t0$859 = ((y0$849 << 5 | y0$849 >>> 27) + (y1$851 & y2$853 | y1$851 & y3$855 | y2$853 & y3$855) | 0) + ((t1$860 + y4$857 | 0) - 1894007588 | 0) | 0; - y4$857 = y3$855; - y3$855 = y2$853; - y2$853 = y1$851 << 30 | y1$851 >>> 2; - y1$851 = y0$849; - y0$849 = t0$859; - H$843[j$848 >> 2] = t1$860; - } - for (j$848 = k$845 + 240 | 0; (j$848 | 0) < (k$845 + 320 | 0); j$848 = j$848 + 4 | 0) { - t1$860 = (H$843[j$848 - 12 >> 2] ^ H$843[j$848 - 32 >> 2] ^ H$843[j$848 - 56 >> 2] ^ H$843[j$848 - 64 >> 2]) << 1 | (H$843[j$848 - 12 >> 2] ^ H$843[j$848 - 32 >> 2] ^ H$843[j$848 - 56 >> 2] ^ H$843[j$848 - 64 >> 2]) >>> 31; - t0$859 = ((y0$849 << 5 | y0$849 >>> 27) + (y1$851 ^ y2$853 ^ y3$855) | 0) + ((t1$860 + y4$857 | 0) - 899497514 | 0) | 0; - y4$857 = y3$855; - y3$855 = y2$853; - y2$853 = y1$851 << 30 | y1$851 >>> 2; - y1$851 = y0$849; - y0$849 = t0$859; - H$843[j$848 >> 2] = t1$860; - } - y0$849 = y0$849 + z0$850 | 0; - y1$851 = y1$851 + z1$852 | 0; - y2$853 = y2$853 + z2$854 | 0; - y3$855 = y3$855 + z3$856 | 0; - y4$857 = y4$857 + z4$858 | 0; - } - H$843[x$846 + 320 >> 2] = y0$849; - H$843[x$846 + 324 >> 2] = y1$851; - H$843[x$846 + 328 >> 2] = y2$853; - H$843[x$846 + 332 >> 2] = y3$855; - H$843[x$846 + 336 >> 2] = y4$857; - } - return { hash: hash$844 }; -}; - -/***/ }), -/* 6 */ -/***/ (function(module, exports) { - -var _this = this; - -/* eslint-env commonjs, browser */ - -var reader = void 0; -if (typeof self !== 'undefined' && typeof self.FileReaderSync !== 'undefined') { - reader = new self.FileReaderSync(); -} - -// Convert a binary string and write it to the heap. -// A binary string is expected to only contain char codes < 256. -var convStr = function (str, H8, H32, start, len, off) { - var i = void 0, - om = off % 4, - lm = (len + om) % 4, - j = len - lm; - switch (om) { - case 0: - H8[off] = str.charCodeAt(start + 3); - case 1: - H8[off + 1 - (om << 1) | 0] = str.charCodeAt(start + 2); - case 2: - H8[off + 2 - (om << 1) | 0] = str.charCodeAt(start + 1); - case 3: - H8[off + 3 - (om << 1) | 0] = str.charCodeAt(start); - } - if (len < lm + (4 - om)) { - return; - } - for (i = 4 - om; i < j; i = i + 4 | 0) { - H32[off + i >> 2] = str.charCodeAt(start + i) << 24 | str.charCodeAt(start + i + 1) << 16 | str.charCodeAt(start + i + 2) << 8 | str.charCodeAt(start + i + 3); - } - switch (lm) { - case 3: - H8[off + j + 1 | 0] = str.charCodeAt(start + j + 2); - case 2: - H8[off + j + 2 | 0] = str.charCodeAt(start + j + 1); - case 1: - H8[off + j + 3 | 0] = str.charCodeAt(start + j); - } -}; - -// Convert a buffer or array and write it to the heap. -// The buffer or array is expected to only contain elements < 256. -var convBuf = function (buf, H8, H32, start, len, off) { - var i = void 0, - om = off % 4, - lm = (len + om) % 4, - j = len - lm; - switch (om) { - case 0: - H8[off] = buf[start + 3]; - case 1: - H8[off + 1 - (om << 1) | 0] = buf[start + 2]; - case 2: - H8[off + 2 - (om << 1) | 0] = buf[start + 1]; - case 3: - H8[off + 3 - (om << 1) | 0] = buf[start]; - } - if (len < lm + (4 - om)) { - return; - } - for (i = 4 - om; i < j; i = i + 4 | 0) { - H32[off + i >> 2 | 0] = buf[start + i] << 24 | buf[start + i + 1] << 16 | buf[start + i + 2] << 8 | buf[start + i + 3]; - } - switch (lm) { - case 3: - H8[off + j + 1 | 0] = buf[start + j + 2]; - case 2: - H8[off + j + 2 | 0] = buf[start + j + 1]; - case 1: - H8[off + j + 3 | 0] = buf[start + j]; - } -}; - -var convBlob = function (blob, H8, H32, start, len, off) { - var i = void 0, - om = off % 4, - lm = (len + om) % 4, - j = len - lm; - var buf = new Uint8Array(reader.readAsArrayBuffer(blob.slice(start, start + len))); - switch (om) { - case 0: - H8[off] = buf[3]; - case 1: - H8[off + 1 - (om << 1) | 0] = buf[2]; - case 2: - H8[off + 2 - (om << 1) | 0] = buf[1]; - case 3: - H8[off + 3 - (om << 1) | 0] = buf[0]; - } - if (len < lm + (4 - om)) { - return; - } - for (i = 4 - om; i < j; i = i + 4 | 0) { - H32[off + i >> 2 | 0] = buf[i] << 24 | buf[i + 1] << 16 | buf[i + 2] << 8 | buf[i + 3]; - } - switch (lm) { - case 3: - H8[off + j + 1 | 0] = buf[j + 2]; - case 2: - H8[off + j + 2 | 0] = buf[j + 1]; - case 1: - H8[off + j + 3 | 0] = buf[j]; - } -}; - -module.exports = function (data, H8, H32, start, len, off) { - if (typeof data === 'string') { - return convStr(data, H8, H32, start, len, off); - } - if (data instanceof Array) { - return convBuf(data, H8, H32, start, len, off); - } - // Safely doing a Buffer check using "this" to avoid Buffer polyfill to be included in the dist - if (_this && _this.Buffer && _this.Buffer.isBuffer(data)) { - return convBuf(data, H8, H32, start, len, off); - } - if (data instanceof ArrayBuffer) { - return convBuf(new Uint8Array(data), H8, H32, start, len, off); - } - if (data.buffer instanceof ArrayBuffer) { - return convBuf(new Uint8Array(data.buffer, data.byteOffset, data.byteLength), H8, H32, start, len, off); - } - if (data instanceof Blob) { - return convBlob(data, H8, H32, start, len, off); - } - throw new Error('Unsupported data type.'); -}; - -/***/ }), -/* 7 */ -/***/ (function(module, exports, __webpack_require__) { - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - -/* eslint-env commonjs, browser */ - -var Rusha = __webpack_require__(0); - -var _require = __webpack_require__(1), - toHex = _require.toHex; - -var Hash = function () { - function Hash() { - _classCallCheck(this, Hash); - - this._rusha = new Rusha(); - this._rusha.resetState(); - } - - Hash.prototype.update = function update(data) { - this._rusha.append(data); - return this; - }; - - Hash.prototype.digest = function digest(encoding) { - var digest = this._rusha.rawEnd().buffer; - if (!encoding) { - return digest; - } - if (encoding === 'hex') { - return toHex(digest); - } - throw new Error('unsupported digest encoding'); - }; - - _createClass(Hash, [{ - key: 'state', - get: function () { - return this._rusha.getState(); - }, - set: function (state) { - this._rusha.setState(state); - } - }]); - - return Hash; -}(); - -module.exports = function () { - return new Hash(); -}; - -/***/ }) -/******/ ]); -}); -},{}],356:[function(require,module,exports){ -/*! safe-buffer. MIT License. Feross Aboukhadijeh */ -/* eslint-disable node/no-deprecated-api */ -var buffer = require('buffer') -var Buffer = buffer.Buffer - -// alternative to using Object.keys for old browsers -function copyProps (src, dst) { - for (var key in src) { - dst[key] = src[key] - } -} -if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) { - module.exports = buffer -} else { - // Copy properties from require('buffer') - copyProps(buffer, exports) - exports.Buffer = SafeBuffer -} - -function SafeBuffer (arg, encodingOrOffset, length) { - return Buffer(arg, encodingOrOffset, length) -} - -SafeBuffer.prototype = Object.create(Buffer.prototype) - -// Copy static methods from Buffer -copyProps(Buffer, SafeBuffer) - -SafeBuffer.from = function (arg, encodingOrOffset, length) { - if (typeof arg === 'number') { - throw new TypeError('Argument must not be a number') - } - return Buffer(arg, encodingOrOffset, length) -} - -SafeBuffer.alloc = function (size, fill, encoding) { - if (typeof size !== 'number') { - throw new TypeError('Argument must be a number') - } - var buf = Buffer(size) - if (fill !== undefined) { - if (typeof encoding === 'string') { - buf.fill(fill, encoding) - } else { - buf.fill(fill) - } - } else { - buf.fill(0) - } - return buf -} - -SafeBuffer.allocUnsafe = function (size) { - if (typeof size !== 'number') { - throw new TypeError('Argument must be a number') - } - return Buffer(size) -} - -SafeBuffer.allocUnsafeSlow = function (size) { - if (typeof size !== 'number') { - throw new TypeError('Argument must be a number') - } - return buffer.SlowBuffer(size) -} - -},{"buffer":110}],357:[function(require,module,exports){ -(function (process){(function (){ -/* eslint-disable node/no-deprecated-api */ - -'use strict' - -var buffer = require('buffer') -var Buffer = buffer.Buffer - -var safer = {} - -var key - -for (key in buffer) { - if (!buffer.hasOwnProperty(key)) continue - if (key === 'SlowBuffer' || key === 'Buffer') continue - safer[key] = buffer[key] -} - -var Safer = safer.Buffer = {} -for (key in Buffer) { - if (!Buffer.hasOwnProperty(key)) continue - if (key === 'allocUnsafe' || key === 'allocUnsafeSlow') continue - Safer[key] = Buffer[key] -} - -safer.Buffer.prototype = Buffer.prototype - -if (!Safer.from || Safer.from === Uint8Array.from) { - Safer.from = function (value, encodingOrOffset, length) { - if (typeof value === 'number') { - throw new TypeError('The "value" argument must not be of type number. Received type ' + typeof value) - } - if (value && typeof value.length === 'undefined') { - throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type ' + typeof value) - } - return Buffer(value, encodingOrOffset, length) - } -} - -if (!Safer.alloc) { - Safer.alloc = function (size, fill, encoding) { - if (typeof size !== 'number') { - throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size) - } - if (size < 0 || size >= 2 * (1 << 30)) { - throw new RangeError('The value "' + size + '" is invalid for option "size"') - } - var buf = Buffer(size) - if (!fill || fill.length === 0) { - buf.fill(0) - } else if (typeof encoding === 'string') { - buf.fill(fill, encoding) - } else { - buf.fill(fill) - } - return buf - } -} - -if (!safer.kStringMaxLength) { - try { - safer.kStringMaxLength = process.binding('buffer').kStringMaxLength - } catch (e) { - // we can't determine kStringMaxLength in environments where process.binding - // is unsupported, so let's not set it - } -} - -if (!safer.constants) { - safer.constants = { - MAX_LENGTH: safer.kMaxLength - } - if (safer.kStringMaxLength) { - safer.constants.MAX_STRING_LENGTH = safer.kStringMaxLength - } -} - -module.exports = safer - -}).call(this)}).call(this,require('_process')) -},{"_process":309,"buffer":110}],358:[function(require,module,exports){ -'use strict'; - -var GetIntrinsic = require('get-intrinsic'); -var define = require('define-data-property'); -var hasDescriptors = require('has-property-descriptors')(); -var gOPD = require('gopd'); - -var $TypeError = GetIntrinsic('%TypeError%'); -var $floor = GetIntrinsic('%Math.floor%'); - -module.exports = function setFunctionLength(fn, length) { - if (typeof fn !== 'function') { - throw new $TypeError('`fn` is not a function'); - } - if (typeof length !== 'number' || length < 0 || length > 0xFFFFFFFF || $floor(length) !== length) { - throw new $TypeError('`length` must be a positive 32-bit integer'); - } - - var loose = arguments.length > 2 && !!arguments[2]; - - var functionLengthIsConfigurable = true; - var functionLengthIsWritable = true; - if ('length' in fn && gOPD) { - var desc = gOPD(fn, 'length'); - if (desc && !desc.configurable) { - functionLengthIsConfigurable = false; - } - if (desc && !desc.writable) { - functionLengthIsWritable = false; - } - } - - if (functionLengthIsConfigurable || functionLengthIsWritable || !loose) { - if (hasDescriptors) { - define(fn, 'length', length, true, true); - } else { - define(fn, 'length', length); - } - } - return fn; -}; - -},{"define-data-property":150,"get-intrinsic":190,"gopd":191,"has-property-descriptors":192}],359:[function(require,module,exports){ -var Buffer = require('safe-buffer').Buffer - -// prototype class for hash functions -function Hash (blockSize, finalSize) { - this._block = Buffer.alloc(blockSize) - this._finalSize = finalSize - this._blockSize = blockSize - this._len = 0 -} - -Hash.prototype.update = function (data, enc) { - if (typeof data === 'string') { - enc = enc || 'utf8' - data = Buffer.from(data, enc) - } - - var block = this._block - var blockSize = this._blockSize - var length = data.length - var accum = this._len - - for (var offset = 0; offset < length;) { - var assigned = accum % blockSize - var remainder = Math.min(length - offset, blockSize - assigned) - - for (var i = 0; i < remainder; i++) { - block[assigned + i] = data[offset + i] - } - - accum += remainder - offset += remainder - - if ((accum % blockSize) === 0) { - this._update(block) - } - } - - this._len += length - return this -} - -Hash.prototype.digest = function (enc) { - var rem = this._len % this._blockSize - - this._block[rem] = 0x80 - - // zero (rem + 1) trailing bits, where (rem + 1) is the smallest - // non-negative solution to the equation (length + 1 + (rem + 1)) === finalSize mod blockSize - this._block.fill(0, rem + 1) - - if (rem >= this._finalSize) { - this._update(this._block) - this._block.fill(0) - } - - var bits = this._len * 8 - - // uint32 - if (bits <= 0xffffffff) { - this._block.writeUInt32BE(bits, this._blockSize - 4) - - // uint64 - } else { - var lowBits = (bits & 0xffffffff) >>> 0 - var highBits = (bits - lowBits) / 0x100000000 - - this._block.writeUInt32BE(highBits, this._blockSize - 8) - this._block.writeUInt32BE(lowBits, this._blockSize - 4) - } - - this._update(this._block) - var hash = this._hash() - - return enc ? hash.toString(enc) : hash -} - -Hash.prototype._update = function () { - throw new Error('_update must be implemented by subclass') -} - -module.exports = Hash - -},{"safe-buffer":356}],360:[function(require,module,exports){ -var exports = module.exports = function SHA (algorithm) { - algorithm = algorithm.toLowerCase() - - var Algorithm = exports[algorithm] - if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)') - - return new Algorithm() -} - -exports.sha = require('./sha') -exports.sha1 = require('./sha1') -exports.sha224 = require('./sha224') -exports.sha256 = require('./sha256') -exports.sha384 = require('./sha384') -exports.sha512 = require('./sha512') - -},{"./sha":361,"./sha1":362,"./sha224":363,"./sha256":364,"./sha384":365,"./sha512":366}],361:[function(require,module,exports){ -/* - * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined - * in FIPS PUB 180-1 - * This source code is derived from sha1.js of the same repository. - * The difference between SHA-0 and SHA-1 is just a bitwise rotate left - * operation was added. - */ - -var inherits = require('inherits') -var Hash = require('./hash') -var Buffer = require('safe-buffer').Buffer - -var K = [ - 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0 -] - -var W = new Array(80) - -function Sha () { - this.init() - this._w = W - - Hash.call(this, 64, 56) -} - -inherits(Sha, Hash) - -Sha.prototype.init = function () { - this._a = 0x67452301 - this._b = 0xefcdab89 - this._c = 0x98badcfe - this._d = 0x10325476 - this._e = 0xc3d2e1f0 - - return this -} - -function rotl5 (num) { - return (num << 5) | (num >>> 27) -} - -function rotl30 (num) { - return (num << 30) | (num >>> 2) -} - -function ft (s, b, c, d) { - if (s === 0) return (b & c) | ((~b) & d) - if (s === 2) return (b & c) | (b & d) | (c & d) - return b ^ c ^ d -} - -Sha.prototype._update = function (M) { - var W = this._w - - var a = this._a | 0 - var b = this._b | 0 - var c = this._c | 0 - var d = this._d | 0 - var e = this._e | 0 - - for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4) - for (; i < 80; ++i) W[i] = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16] - - for (var j = 0; j < 80; ++j) { - var s = ~~(j / 20) - var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0 - - e = d - d = c - c = rotl30(b) - b = a - a = t - } - - this._a = (a + this._a) | 0 - this._b = (b + this._b) | 0 - this._c = (c + this._c) | 0 - this._d = (d + this._d) | 0 - this._e = (e + this._e) | 0 -} - -Sha.prototype._hash = function () { - var H = Buffer.allocUnsafe(20) - - H.writeInt32BE(this._a | 0, 0) - H.writeInt32BE(this._b | 0, 4) - H.writeInt32BE(this._c | 0, 8) - H.writeInt32BE(this._d | 0, 12) - H.writeInt32BE(this._e | 0, 16) - - return H -} - -module.exports = Sha - -},{"./hash":359,"inherits":229,"safe-buffer":356}],362:[function(require,module,exports){ -/* - * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined - * in FIPS PUB 180-1 - * Version 2.1a Copyright Paul Johnston 2000 - 2002. - * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet - * Distributed under the BSD License - * See http://pajhome.org.uk/crypt/md5 for details. - */ - -var inherits = require('inherits') -var Hash = require('./hash') -var Buffer = require('safe-buffer').Buffer - -var K = [ - 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0 -] - -var W = new Array(80) - -function Sha1 () { - this.init() - this._w = W - - Hash.call(this, 64, 56) -} - -inherits(Sha1, Hash) - -Sha1.prototype.init = function () { - this._a = 0x67452301 - this._b = 0xefcdab89 - this._c = 0x98badcfe - this._d = 0x10325476 - this._e = 0xc3d2e1f0 - - return this -} - -function rotl1 (num) { - return (num << 1) | (num >>> 31) -} - -function rotl5 (num) { - return (num << 5) | (num >>> 27) -} - -function rotl30 (num) { - return (num << 30) | (num >>> 2) -} - -function ft (s, b, c, d) { - if (s === 0) return (b & c) | ((~b) & d) - if (s === 2) return (b & c) | (b & d) | (c & d) - return b ^ c ^ d -} - -Sha1.prototype._update = function (M) { - var W = this._w - - var a = this._a | 0 - var b = this._b | 0 - var c = this._c | 0 - var d = this._d | 0 - var e = this._e | 0 - - for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4) - for (; i < 80; ++i) W[i] = rotl1(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16]) - - for (var j = 0; j < 80; ++j) { - var s = ~~(j / 20) - var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0 - - e = d - d = c - c = rotl30(b) - b = a - a = t - } - - this._a = (a + this._a) | 0 - this._b = (b + this._b) | 0 - this._c = (c + this._c) | 0 - this._d = (d + this._d) | 0 - this._e = (e + this._e) | 0 -} - -Sha1.prototype._hash = function () { - var H = Buffer.allocUnsafe(20) - - H.writeInt32BE(this._a | 0, 0) - H.writeInt32BE(this._b | 0, 4) - H.writeInt32BE(this._c | 0, 8) - H.writeInt32BE(this._d | 0, 12) - H.writeInt32BE(this._e | 0, 16) - - return H -} - -module.exports = Sha1 - -},{"./hash":359,"inherits":229,"safe-buffer":356}],363:[function(require,module,exports){ -/** - * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined - * in FIPS 180-2 - * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009. - * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet - * - */ - -var inherits = require('inherits') -var Sha256 = require('./sha256') -var Hash = require('./hash') -var Buffer = require('safe-buffer').Buffer - -var W = new Array(64) - -function Sha224 () { - this.init() - - this._w = W // new Array(64) - - Hash.call(this, 64, 56) -} - -inherits(Sha224, Sha256) - -Sha224.prototype.init = function () { - this._a = 0xc1059ed8 - this._b = 0x367cd507 - this._c = 0x3070dd17 - this._d = 0xf70e5939 - this._e = 0xffc00b31 - this._f = 0x68581511 - this._g = 0x64f98fa7 - this._h = 0xbefa4fa4 - - return this -} - -Sha224.prototype._hash = function () { - var H = Buffer.allocUnsafe(28) - - H.writeInt32BE(this._a, 0) - H.writeInt32BE(this._b, 4) - H.writeInt32BE(this._c, 8) - H.writeInt32BE(this._d, 12) - H.writeInt32BE(this._e, 16) - H.writeInt32BE(this._f, 20) - H.writeInt32BE(this._g, 24) - - return H -} - -module.exports = Sha224 - -},{"./hash":359,"./sha256":364,"inherits":229,"safe-buffer":356}],364:[function(require,module,exports){ -/** - * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined - * in FIPS 180-2 - * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009. - * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet - * - */ - -var inherits = require('inherits') -var Hash = require('./hash') -var Buffer = require('safe-buffer').Buffer - -var K = [ - 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, - 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, - 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, - 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, - 0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC, - 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, - 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, - 0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967, - 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, - 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85, - 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, - 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070, - 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, - 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3, - 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, - 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2 -] - -var W = new Array(64) - -function Sha256 () { - this.init() - - this._w = W // new Array(64) - - Hash.call(this, 64, 56) -} - -inherits(Sha256, Hash) - -Sha256.prototype.init = function () { - this._a = 0x6a09e667 - this._b = 0xbb67ae85 - this._c = 0x3c6ef372 - this._d = 0xa54ff53a - this._e = 0x510e527f - this._f = 0x9b05688c - this._g = 0x1f83d9ab - this._h = 0x5be0cd19 - - return this -} - -function ch (x, y, z) { - return z ^ (x & (y ^ z)) -} - -function maj (x, y, z) { - return (x & y) | (z & (x | y)) -} - -function sigma0 (x) { - return (x >>> 2 | x << 30) ^ (x >>> 13 | x << 19) ^ (x >>> 22 | x << 10) -} - -function sigma1 (x) { - return (x >>> 6 | x << 26) ^ (x >>> 11 | x << 21) ^ (x >>> 25 | x << 7) -} - -function gamma0 (x) { - return (x >>> 7 | x << 25) ^ (x >>> 18 | x << 14) ^ (x >>> 3) -} - -function gamma1 (x) { - return (x >>> 17 | x << 15) ^ (x >>> 19 | x << 13) ^ (x >>> 10) -} - -Sha256.prototype._update = function (M) { - var W = this._w - - var a = this._a | 0 - var b = this._b | 0 - var c = this._c | 0 - var d = this._d | 0 - var e = this._e | 0 - var f = this._f | 0 - var g = this._g | 0 - var h = this._h | 0 - - for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4) - for (; i < 64; ++i) W[i] = (gamma1(W[i - 2]) + W[i - 7] + gamma0(W[i - 15]) + W[i - 16]) | 0 - - for (var j = 0; j < 64; ++j) { - var T1 = (h + sigma1(e) + ch(e, f, g) + K[j] + W[j]) | 0 - var T2 = (sigma0(a) + maj(a, b, c)) | 0 - - h = g - g = f - f = e - e = (d + T1) | 0 - d = c - c = b - b = a - a = (T1 + T2) | 0 - } - - this._a = (a + this._a) | 0 - this._b = (b + this._b) | 0 - this._c = (c + this._c) | 0 - this._d = (d + this._d) | 0 - this._e = (e + this._e) | 0 - this._f = (f + this._f) | 0 - this._g = (g + this._g) | 0 - this._h = (h + this._h) | 0 -} - -Sha256.prototype._hash = function () { - var H = Buffer.allocUnsafe(32) - - H.writeInt32BE(this._a, 0) - H.writeInt32BE(this._b, 4) - H.writeInt32BE(this._c, 8) - H.writeInt32BE(this._d, 12) - H.writeInt32BE(this._e, 16) - H.writeInt32BE(this._f, 20) - H.writeInt32BE(this._g, 24) - H.writeInt32BE(this._h, 28) - - return H -} - -module.exports = Sha256 - -},{"./hash":359,"inherits":229,"safe-buffer":356}],365:[function(require,module,exports){ -var inherits = require('inherits') -var SHA512 = require('./sha512') -var Hash = require('./hash') -var Buffer = require('safe-buffer').Buffer - -var W = new Array(160) - -function Sha384 () { - this.init() - this._w = W - - Hash.call(this, 128, 112) -} - -inherits(Sha384, SHA512) - -Sha384.prototype.init = function () { - this._ah = 0xcbbb9d5d - this._bh = 0x629a292a - this._ch = 0x9159015a - this._dh = 0x152fecd8 - this._eh = 0x67332667 - this._fh = 0x8eb44a87 - this._gh = 0xdb0c2e0d - this._hh = 0x47b5481d - - this._al = 0xc1059ed8 - this._bl = 0x367cd507 - this._cl = 0x3070dd17 - this._dl = 0xf70e5939 - this._el = 0xffc00b31 - this._fl = 0x68581511 - this._gl = 0x64f98fa7 - this._hl = 0xbefa4fa4 - - return this -} - -Sha384.prototype._hash = function () { - var H = Buffer.allocUnsafe(48) - - function writeInt64BE (h, l, offset) { - H.writeInt32BE(h, offset) - H.writeInt32BE(l, offset + 4) - } - - writeInt64BE(this._ah, this._al, 0) - writeInt64BE(this._bh, this._bl, 8) - writeInt64BE(this._ch, this._cl, 16) - writeInt64BE(this._dh, this._dl, 24) - writeInt64BE(this._eh, this._el, 32) - writeInt64BE(this._fh, this._fl, 40) - - return H -} - -module.exports = Sha384 - -},{"./hash":359,"./sha512":366,"inherits":229,"safe-buffer":356}],366:[function(require,module,exports){ -var inherits = require('inherits') -var Hash = require('./hash') -var Buffer = require('safe-buffer').Buffer - -var K = [ - 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, - 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, - 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019, - 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, - 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe, - 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, - 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, - 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, - 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3, - 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, - 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, - 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5, - 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, - 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4, - 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, - 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, - 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, - 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df, - 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, - 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, - 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001, - 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, - 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910, - 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, - 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, - 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, - 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb, - 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, - 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, - 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec, - 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, - 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b, - 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, - 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, - 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, - 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b, - 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, - 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, - 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a, - 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817 -] - -var W = new Array(160) - -function Sha512 () { - this.init() - this._w = W - - Hash.call(this, 128, 112) -} - -inherits(Sha512, Hash) - -Sha512.prototype.init = function () { - this._ah = 0x6a09e667 - this._bh = 0xbb67ae85 - this._ch = 0x3c6ef372 - this._dh = 0xa54ff53a - this._eh = 0x510e527f - this._fh = 0x9b05688c - this._gh = 0x1f83d9ab - this._hh = 0x5be0cd19 - - this._al = 0xf3bcc908 - this._bl = 0x84caa73b - this._cl = 0xfe94f82b - this._dl = 0x5f1d36f1 - this._el = 0xade682d1 - this._fl = 0x2b3e6c1f - this._gl = 0xfb41bd6b - this._hl = 0x137e2179 - - return this -} - -function Ch (x, y, z) { - return z ^ (x & (y ^ z)) -} - -function maj (x, y, z) { - return (x & y) | (z & (x | y)) -} - -function sigma0 (x, xl) { - return (x >>> 28 | xl << 4) ^ (xl >>> 2 | x << 30) ^ (xl >>> 7 | x << 25) -} - -function sigma1 (x, xl) { - return (x >>> 14 | xl << 18) ^ (x >>> 18 | xl << 14) ^ (xl >>> 9 | x << 23) -} - -function Gamma0 (x, xl) { - return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7) -} - -function Gamma0l (x, xl) { - return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7 | xl << 25) -} - -function Gamma1 (x, xl) { - return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6) -} - -function Gamma1l (x, xl) { - return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6 | xl << 26) -} - -function getCarry (a, b) { - return (a >>> 0) < (b >>> 0) ? 1 : 0 -} - -Sha512.prototype._update = function (M) { - var W = this._w - - var ah = this._ah | 0 - var bh = this._bh | 0 - var ch = this._ch | 0 - var dh = this._dh | 0 - var eh = this._eh | 0 - var fh = this._fh | 0 - var gh = this._gh | 0 - var hh = this._hh | 0 - - var al = this._al | 0 - var bl = this._bl | 0 - var cl = this._cl | 0 - var dl = this._dl | 0 - var el = this._el | 0 - var fl = this._fl | 0 - var gl = this._gl | 0 - var hl = this._hl | 0 - - for (var i = 0; i < 32; i += 2) { - W[i] = M.readInt32BE(i * 4) - W[i + 1] = M.readInt32BE(i * 4 + 4) - } - for (; i < 160; i += 2) { - var xh = W[i - 15 * 2] - var xl = W[i - 15 * 2 + 1] - var gamma0 = Gamma0(xh, xl) - var gamma0l = Gamma0l(xl, xh) - - xh = W[i - 2 * 2] - xl = W[i - 2 * 2 + 1] - var gamma1 = Gamma1(xh, xl) - var gamma1l = Gamma1l(xl, xh) - - // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16] - var Wi7h = W[i - 7 * 2] - var Wi7l = W[i - 7 * 2 + 1] - - var Wi16h = W[i - 16 * 2] - var Wi16l = W[i - 16 * 2 + 1] - - var Wil = (gamma0l + Wi7l) | 0 - var Wih = (gamma0 + Wi7h + getCarry(Wil, gamma0l)) | 0 - Wil = (Wil + gamma1l) | 0 - Wih = (Wih + gamma1 + getCarry(Wil, gamma1l)) | 0 - Wil = (Wil + Wi16l) | 0 - Wih = (Wih + Wi16h + getCarry(Wil, Wi16l)) | 0 - - W[i] = Wih - W[i + 1] = Wil - } - - for (var j = 0; j < 160; j += 2) { - Wih = W[j] - Wil = W[j + 1] - - var majh = maj(ah, bh, ch) - var majl = maj(al, bl, cl) - - var sigma0h = sigma0(ah, al) - var sigma0l = sigma0(al, ah) - var sigma1h = sigma1(eh, el) - var sigma1l = sigma1(el, eh) - - // t1 = h + sigma1 + ch + K[j] + W[j] - var Kih = K[j] - var Kil = K[j + 1] - - var chh = Ch(eh, fh, gh) - var chl = Ch(el, fl, gl) - - var t1l = (hl + sigma1l) | 0 - var t1h = (hh + sigma1h + getCarry(t1l, hl)) | 0 - t1l = (t1l + chl) | 0 - t1h = (t1h + chh + getCarry(t1l, chl)) | 0 - t1l = (t1l + Kil) | 0 - t1h = (t1h + Kih + getCarry(t1l, Kil)) | 0 - t1l = (t1l + Wil) | 0 - t1h = (t1h + Wih + getCarry(t1l, Wil)) | 0 - - // t2 = sigma0 + maj - var t2l = (sigma0l + majl) | 0 - var t2h = (sigma0h + majh + getCarry(t2l, sigma0l)) | 0 - - hh = gh - hl = gl - gh = fh - gl = fl - fh = eh - fl = el - el = (dl + t1l) | 0 - eh = (dh + t1h + getCarry(el, dl)) | 0 - dh = ch - dl = cl - ch = bh - cl = bl - bh = ah - bl = al - al = (t1l + t2l) | 0 - ah = (t1h + t2h + getCarry(al, t1l)) | 0 - } - - this._al = (this._al + al) | 0 - this._bl = (this._bl + bl) | 0 - this._cl = (this._cl + cl) | 0 - this._dl = (this._dl + dl) | 0 - this._el = (this._el + el) | 0 - this._fl = (this._fl + fl) | 0 - this._gl = (this._gl + gl) | 0 - this._hl = (this._hl + hl) | 0 - - this._ah = (this._ah + ah + getCarry(this._al, al)) | 0 - this._bh = (this._bh + bh + getCarry(this._bl, bl)) | 0 - this._ch = (this._ch + ch + getCarry(this._cl, cl)) | 0 - this._dh = (this._dh + dh + getCarry(this._dl, dl)) | 0 - this._eh = (this._eh + eh + getCarry(this._el, el)) | 0 - this._fh = (this._fh + fh + getCarry(this._fl, fl)) | 0 - this._gh = (this._gh + gh + getCarry(this._gl, gl)) | 0 - this._hh = (this._hh + hh + getCarry(this._hl, hl)) | 0 -} - -Sha512.prototype._hash = function () { - var H = Buffer.allocUnsafe(64) - - function writeInt64BE (h, l, offset) { - H.writeInt32BE(h, offset) - H.writeInt32BE(l, offset + 4) - } - - writeInt64BE(this._ah, this._al, 0) - writeInt64BE(this._bh, this._bl, 8) - writeInt64BE(this._ch, this._cl, 16) - writeInt64BE(this._dh, this._dl, 24) - writeInt64BE(this._eh, this._el, 32) - writeInt64BE(this._fh, this._fl, 40) - writeInt64BE(this._gh, this._gl, 48) - writeInt64BE(this._hh, this._hl, 56) - - return H -} - -module.exports = Sha512 - -},{"./hash":359,"inherits":229,"safe-buffer":356}],367:[function(require,module,exports){ -'use strict'; - -var GetIntrinsic = require('get-intrinsic'); -var callBound = require('call-bind/callBound'); -var inspect = require('object-inspect'); - -var $TypeError = GetIntrinsic('%TypeError%'); -var $WeakMap = GetIntrinsic('%WeakMap%', true); -var $Map = GetIntrinsic('%Map%', true); - -var $weakMapGet = callBound('WeakMap.prototype.get', true); -var $weakMapSet = callBound('WeakMap.prototype.set', true); -var $weakMapHas = callBound('WeakMap.prototype.has', true); -var $mapGet = callBound('Map.prototype.get', true); -var $mapSet = callBound('Map.prototype.set', true); -var $mapHas = callBound('Map.prototype.has', true); - -/* - * This function traverses the list returning the node corresponding to the - * given key. - * - * That node is also moved to the head of the list, so that if it's accessed - * again we don't need to traverse the whole list. By doing so, all the recently - * used nodes can be accessed relatively quickly. - */ -var listGetNode = function (list, key) { // eslint-disable-line consistent-return - for (var prev = list, curr; (curr = prev.next) !== null; prev = curr) { - if (curr.key === key) { - prev.next = curr.next; - curr.next = list.next; - list.next = curr; // eslint-disable-line no-param-reassign - return curr; - } - } -}; - -var listGet = function (objects, key) { - var node = listGetNode(objects, key); - return node && node.value; -}; -var listSet = function (objects, key, value) { - var node = listGetNode(objects, key); - if (node) { - node.value = value; - } else { - // Prepend the new node to the beginning of the list - objects.next = { // eslint-disable-line no-param-reassign - key: key, - next: objects.next, - value: value - }; - } -}; -var listHas = function (objects, key) { - return !!listGetNode(objects, key); -}; - -module.exports = function getSideChannel() { - var $wm; - var $m; - var $o; - var channel = { - assert: function (key) { - if (!channel.has(key)) { - throw new $TypeError('Side channel does not contain ' + inspect(key)); - } - }, - get: function (key) { // eslint-disable-line consistent-return - if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) { - if ($wm) { - return $weakMapGet($wm, key); - } - } else if ($Map) { - if ($m) { - return $mapGet($m, key); - } - } else { - if ($o) { // eslint-disable-line no-lonely-if - return listGet($o, key); - } - } - }, - has: function (key) { - if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) { - if ($wm) { - return $weakMapHas($wm, key); - } - } else if ($Map) { - if ($m) { - return $mapHas($m, key); - } - } else { - if ($o) { // eslint-disable-line no-lonely-if - return listHas($o, key); - } - } - return false; - }, - set: function (key, value) { - if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) { - if (!$wm) { - $wm = new $WeakMap(); - } - $weakMapSet($wm, key, value); - } else if ($Map) { - if (!$m) { - $m = new $Map(); - } - $mapSet($m, key, value); - } else { - if (!$o) { - /* - * Initialize the linked list as an empty node, so that we don't have - * to special-case handling of the first node: we can always refer to - * it as (previous node).next, instead of something like (list).head - */ - $o = { key: {}, next: null }; - } - listSet($o, key, value); - } - } - }; - return channel; -}; - -},{"call-bind/callBound":118,"get-intrinsic":190,"object-inspect":293}],368:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! simple-concat. MIT License. Feross Aboukhadijeh */ -module.exports = function (stream, cb) { - var chunks = [] - stream.on('data', function (chunk) { - chunks.push(chunk) - }) - stream.once('end', function () { - if (cb) cb(null, Buffer.concat(chunks)) - cb = null - }) - stream.once('error', function (err) { - if (cb) cb(err) - cb = null - }) -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],369:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! simple-get. MIT License. Feross Aboukhadijeh */ -module.exports = simpleGet - -const concat = require('simple-concat') -const decompressResponse = require('decompress-response') // excluded from browser build -const http = require('http') -const https = require('https') -const once = require('once') -const querystring = require('querystring') -const url = require('url') - -const isStream = o => o !== null && typeof o === 'object' && typeof o.pipe === 'function' - -function simpleGet (opts, cb) { - opts = Object.assign({ maxRedirects: 10 }, typeof opts === 'string' ? { url: opts } : opts) - cb = once(cb) - - if (opts.url) { - const { hostname, port, protocol, auth, path } = url.parse(opts.url) // eslint-disable-line node/no-deprecated-api - delete opts.url - if (!hostname && !port && !protocol && !auth) opts.path = path // Relative redirect - else Object.assign(opts, { hostname, port, protocol, auth, path }) // Absolute redirect - } - - const headers = { 'accept-encoding': 'gzip, deflate' } - if (opts.headers) Object.keys(opts.headers).forEach(k => (headers[k.toLowerCase()] = opts.headers[k])) - opts.headers = headers - - let body - if (opts.body) { - body = opts.json && !isStream(opts.body) ? JSON.stringify(opts.body) : opts.body - } else if (opts.form) { - body = typeof opts.form === 'string' ? opts.form : querystring.stringify(opts.form) - opts.headers['content-type'] = 'application/x-www-form-urlencoded' - } - - if (body) { - if (!opts.method) opts.method = 'POST' - if (!isStream(body)) opts.headers['content-length'] = Buffer.byteLength(body) - if (opts.json && !opts.form) opts.headers['content-type'] = 'application/json' - } - delete opts.body; delete opts.form - - if (opts.json) opts.headers.accept = 'application/json' - if (opts.method) opts.method = opts.method.toUpperCase() - - const originalHost = opts.hostname // hostname before potential redirect - const protocol = opts.protocol === 'https:' ? https : http // Support http/https urls - const req = protocol.request(opts, res => { - if (opts.followRedirects !== false && res.statusCode >= 300 && res.statusCode < 400 && res.headers.location) { - opts.url = res.headers.location // Follow 3xx redirects - delete opts.headers.host // Discard `host` header on redirect (see #32) - res.resume() // Discard response - - const redirectHost = url.parse(opts.url).hostname // eslint-disable-line node/no-deprecated-api - // If redirected host is different than original host, drop headers to prevent cookie leak (#73) - if (redirectHost !== null && redirectHost !== originalHost) { - delete opts.headers.cookie - delete opts.headers.authorization - } - - if (opts.method === 'POST' && [301, 302].includes(res.statusCode)) { - opts.method = 'GET' // On 301/302 redirect, change POST to GET (see #35) - delete opts.headers['content-length']; delete opts.headers['content-type'] - } - - if (opts.maxRedirects-- === 0) return cb(new Error('too many redirects')) - else return simpleGet(opts, cb) - } - - const tryUnzip = typeof decompressResponse === 'function' && opts.method !== 'HEAD' - cb(null, tryUnzip ? decompressResponse(res) : res) - }) - req.on('timeout', () => { - req.abort() - cb(new Error('Request timed out')) - }) - req.on('error', cb) - - if (isStream(body)) body.on('error', cb).pipe(req) - else req.end(body) - - return req -} - -simpleGet.concat = (opts, cb) => { - return simpleGet(opts, (err, res) => { - if (err) return cb(err) - concat(res, (err, data) => { - if (err) return cb(err) - if (opts.json) { - try { - data = JSON.parse(data.toString()) - } catch (err) { - return cb(err, res, data) - } - } - cb(null, res, data) - }) - }) -} - -;['get', 'post', 'put', 'patch', 'head', 'delete'].forEach(method => { - simpleGet[method] = (opts, cb) => { - if (typeof opts === 'string') opts = { url: opts } - return simpleGet(Object.assign({ method: method.toUpperCase() }, opts), cb) - } -}) - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"decompress-response":67,"http":424,"https":226,"once":294,"querystring":326,"simple-concat":368,"url":457}],370:[function(require,module,exports){ -/*! simple-peer. MIT License. Feross Aboukhadijeh */ -const debug = require('debug')('simple-peer') -const getBrowserRTC = require('get-browser-rtc') -const randombytes = require('randombytes') -const stream = require('readable-stream') -const queueMicrotask = require('queue-microtask') // TODO: remove when Node 10 is not supported -const errCode = require('err-code') -const { Buffer } = require('buffer') - -const MAX_BUFFERED_AMOUNT = 64 * 1024 -const ICECOMPLETE_TIMEOUT = 5 * 1000 -const CHANNEL_CLOSING_TIMEOUT = 5 * 1000 - -// HACK: Filter trickle lines when trickle is disabled #354 -function filterTrickle (sdp) { - return sdp.replace(/a=ice-options:trickle\s\n/g, '') -} - -function warn (message) { - console.warn(message) -} - -/** - * WebRTC peer connection. Same API as node core `net.Socket`, plus a few extra methods. - * Duplex stream. - * @param {Object} opts - */ -class Peer extends stream.Duplex { - constructor (opts) { - opts = Object.assign({ - allowHalfOpen: false - }, opts) - - super(opts) - - this._id = randombytes(4).toString('hex').slice(0, 7) - this._debug('new peer %o', opts) - - this.channelName = opts.initiator - ? opts.channelName || randombytes(20).toString('hex') - : null - - this.initiator = opts.initiator || false - this.channelConfig = opts.channelConfig || Peer.channelConfig - this.channelNegotiated = this.channelConfig.negotiated - this.config = Object.assign({}, Peer.config, opts.config) - this.offerOptions = opts.offerOptions || {} - this.answerOptions = opts.answerOptions || {} - this.sdpTransform = opts.sdpTransform || (sdp => sdp) - this.streams = opts.streams || (opts.stream ? [opts.stream] : []) // support old "stream" option - this.trickle = opts.trickle !== undefined ? opts.trickle : true - this.allowHalfTrickle = opts.allowHalfTrickle !== undefined ? opts.allowHalfTrickle : false - this.iceCompleteTimeout = opts.iceCompleteTimeout || ICECOMPLETE_TIMEOUT - - this.destroyed = false - this.destroying = false - this._connected = false - - this.remoteAddress = undefined - this.remoteFamily = undefined - this.remotePort = undefined - this.localAddress = undefined - this.localFamily = undefined - this.localPort = undefined - - this._wrtc = (opts.wrtc && typeof opts.wrtc === 'object') - ? opts.wrtc - : getBrowserRTC() - - if (!this._wrtc) { - if (typeof window === 'undefined') { - throw errCode(new Error('No WebRTC support: Specify `opts.wrtc` option in this environment'), 'ERR_WEBRTC_SUPPORT') - } else { - throw errCode(new Error('No WebRTC support: Not a supported browser'), 'ERR_WEBRTC_SUPPORT') - } - } - - this._pcReady = false - this._channelReady = false - this._iceComplete = false // ice candidate trickle done (got null candidate) - this._iceCompleteTimer = null // send an offer/answer anyway after some timeout - this._channel = null - this._pendingCandidates = [] - - this._isNegotiating = false // is this peer waiting for negotiation to complete? - this._firstNegotiation = true - this._batchedNegotiation = false // batch synchronous negotiations - this._queuedNegotiation = false // is there a queued negotiation request? - this._sendersAwaitingStable = [] - this._senderMap = new Map() - this._closingInterval = null - - this._remoteTracks = [] - this._remoteStreams = [] - - this._chunk = null - this._cb = null - this._interval = null - - try { - this._pc = new (this._wrtc.RTCPeerConnection)(this.config) - } catch (err) { - this.destroy(errCode(err, 'ERR_PC_CONSTRUCTOR')) - return - } - - // We prefer feature detection whenever possible, but sometimes that's not - // possible for certain implementations. - this._isReactNativeWebrtc = typeof this._pc._peerConnectionId === 'number' - - this._pc.oniceconnectionstatechange = () => { - this._onIceStateChange() - } - this._pc.onicegatheringstatechange = () => { - this._onIceStateChange() - } - this._pc.onconnectionstatechange = () => { - this._onConnectionStateChange() - } - this._pc.onsignalingstatechange = () => { - this._onSignalingStateChange() - } - this._pc.onicecandidate = event => { - this._onIceCandidate(event) - } - - // HACK: Fix for odd Firefox behavior, see: https://github.com/feross/simple-peer/pull/783 - if (typeof this._pc.peerIdentity === 'object') { - this._pc.peerIdentity.catch(err => { - this.destroy(errCode(err, 'ERR_PC_PEER_IDENTITY')) - }) - } - - // Other spec events, unused by this implementation: - // - onconnectionstatechange - // - onicecandidateerror - // - onfingerprintfailure - // - onnegotiationneeded - - if (this.initiator || this.channelNegotiated) { - this._setupData({ - channel: this._pc.createDataChannel(this.channelName, this.channelConfig) - }) - } else { - this._pc.ondatachannel = event => { - this._setupData(event) - } - } - - if (this.streams) { - this.streams.forEach(stream => { - this.addStream(stream) - }) - } - this._pc.ontrack = event => { - this._onTrack(event) - } - - this._debug('initial negotiation') - this._needsNegotiation() - - this._onFinishBound = () => { - this._onFinish() - } - this.once('finish', this._onFinishBound) - } - - get bufferSize () { - return (this._channel && this._channel.bufferedAmount) || 0 - } - - // HACK: it's possible channel.readyState is "closing" before peer.destroy() fires - // https://bugs.chromium.org/p/chromium/issues/detail?id=882743 - get connected () { - return (this._connected && this._channel.readyState === 'open') - } - - address () { - return { port: this.localPort, family: this.localFamily, address: this.localAddress } - } - - signal (data) { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot signal after peer is destroyed'), 'ERR_DESTROYED') - if (typeof data === 'string') { - try { - data = JSON.parse(data) - } catch (err) { - data = {} - } - } - this._debug('signal()') - - if (data.renegotiate && this.initiator) { - this._debug('got request to renegotiate') - this._needsNegotiation() - } - if (data.transceiverRequest && this.initiator) { - this._debug('got request for transceiver') - this.addTransceiver(data.transceiverRequest.kind, data.transceiverRequest.init) - } - if (data.candidate) { - if (this._pc.remoteDescription && this._pc.remoteDescription.type) { - this._addIceCandidate(data.candidate) - } else { - this._pendingCandidates.push(data.candidate) - } - } - if (data.sdp) { - this._pc.setRemoteDescription(new (this._wrtc.RTCSessionDescription)(data)) - .then(() => { - if (this.destroyed) return - - this._pendingCandidates.forEach(candidate => { - this._addIceCandidate(candidate) - }) - this._pendingCandidates = [] - - if (this._pc.remoteDescription.type === 'offer') this._createAnswer() - }) - .catch(err => { - this.destroy(errCode(err, 'ERR_SET_REMOTE_DESCRIPTION')) - }) - } - if (!data.sdp && !data.candidate && !data.renegotiate && !data.transceiverRequest) { - this.destroy(errCode(new Error('signal() called with invalid signal data'), 'ERR_SIGNALING')) - } - } - - _addIceCandidate (candidate) { - const iceCandidateObj = new this._wrtc.RTCIceCandidate(candidate) - this._pc.addIceCandidate(iceCandidateObj) - .catch(err => { - if (!iceCandidateObj.address || iceCandidateObj.address.endsWith('.local')) { - warn('Ignoring unsupported ICE candidate.') - } else { - this.destroy(errCode(err, 'ERR_ADD_ICE_CANDIDATE')) - } - }) - } - - /** - * Send text/binary data to the remote peer. - * @param {ArrayBufferView|ArrayBuffer|Buffer|string|Blob} chunk - */ - send (chunk) { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot send after peer is destroyed'), 'ERR_DESTROYED') - this._channel.send(chunk) - } - - /** - * Add a Transceiver to the connection. - * @param {String} kind - * @param {Object} init - */ - addTransceiver (kind, init) { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot addTransceiver after peer is destroyed'), 'ERR_DESTROYED') - this._debug('addTransceiver()') - - if (this.initiator) { - try { - this._pc.addTransceiver(kind, init) - this._needsNegotiation() - } catch (err) { - this.destroy(errCode(err, 'ERR_ADD_TRANSCEIVER')) - } - } else { - this.emit('signal', { // request initiator to renegotiate - type: 'transceiverRequest', - transceiverRequest: { kind, init } - }) - } - } - - /** - * Add a MediaStream to the connection. - * @param {MediaStream} stream - */ - addStream (stream) { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot addStream after peer is destroyed'), 'ERR_DESTROYED') - this._debug('addStream()') - - stream.getTracks().forEach(track => { - this.addTrack(track, stream) - }) - } - - /** - * Add a MediaStreamTrack to the connection. - * @param {MediaStreamTrack} track - * @param {MediaStream} stream - */ - addTrack (track, stream) { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot addTrack after peer is destroyed'), 'ERR_DESTROYED') - this._debug('addTrack()') - - const submap = this._senderMap.get(track) || new Map() // nested Maps map [track, stream] to sender - let sender = submap.get(stream) - if (!sender) { - sender = this._pc.addTrack(track, stream) - submap.set(stream, sender) - this._senderMap.set(track, submap) - this._needsNegotiation() - } else if (sender.removed) { - throw errCode(new Error('Track has been removed. You should enable/disable tracks that you want to re-add.'), 'ERR_SENDER_REMOVED') - } else { - throw errCode(new Error('Track has already been added to that stream.'), 'ERR_SENDER_ALREADY_ADDED') - } - } - - /** - * Replace a MediaStreamTrack by another in the connection. - * @param {MediaStreamTrack} oldTrack - * @param {MediaStreamTrack} newTrack - * @param {MediaStream} stream - */ - replaceTrack (oldTrack, newTrack, stream) { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot replaceTrack after peer is destroyed'), 'ERR_DESTROYED') - this._debug('replaceTrack()') - - const submap = this._senderMap.get(oldTrack) - const sender = submap ? submap.get(stream) : null - if (!sender) { - throw errCode(new Error('Cannot replace track that was never added.'), 'ERR_TRACK_NOT_ADDED') - } - if (newTrack) this._senderMap.set(newTrack, submap) - - if (sender.replaceTrack != null) { - sender.replaceTrack(newTrack) - } else { - this.destroy(errCode(new Error('replaceTrack is not supported in this browser'), 'ERR_UNSUPPORTED_REPLACETRACK')) - } - } - - /** - * Remove a MediaStreamTrack from the connection. - * @param {MediaStreamTrack} track - * @param {MediaStream} stream - */ - removeTrack (track, stream) { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot removeTrack after peer is destroyed'), 'ERR_DESTROYED') - this._debug('removeSender()') - - const submap = this._senderMap.get(track) - const sender = submap ? submap.get(stream) : null - if (!sender) { - throw errCode(new Error('Cannot remove track that was never added.'), 'ERR_TRACK_NOT_ADDED') - } - try { - sender.removed = true - this._pc.removeTrack(sender) - } catch (err) { - if (err.name === 'NS_ERROR_UNEXPECTED') { - this._sendersAwaitingStable.push(sender) // HACK: Firefox must wait until (signalingState === stable) https://bugzilla.mozilla.org/show_bug.cgi?id=1133874 - } else { - this.destroy(errCode(err, 'ERR_REMOVE_TRACK')) - } - } - this._needsNegotiation() - } - - /** - * Remove a MediaStream from the connection. - * @param {MediaStream} stream - */ - removeStream (stream) { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot removeStream after peer is destroyed'), 'ERR_DESTROYED') - this._debug('removeSenders()') - - stream.getTracks().forEach(track => { - this.removeTrack(track, stream) - }) - } - - _needsNegotiation () { - this._debug('_needsNegotiation') - if (this._batchedNegotiation) return // batch synchronous renegotiations - this._batchedNegotiation = true - queueMicrotask(() => { - this._batchedNegotiation = false - if (this.initiator || !this._firstNegotiation) { - this._debug('starting batched negotiation') - this.negotiate() - } else { - this._debug('non-initiator initial negotiation request discarded') - } - this._firstNegotiation = false - }) - } - - negotiate () { - if (this.destroying) return - if (this.destroyed) throw errCode(new Error('cannot negotiate after peer is destroyed'), 'ERR_DESTROYED') - - if (this.initiator) { - if (this._isNegotiating) { - this._queuedNegotiation = true - this._debug('already negotiating, queueing') - } else { - this._debug('start negotiation') - setTimeout(() => { // HACK: Chrome crashes if we immediately call createOffer - this._createOffer() - }, 0) - } - } else { - if (this._isNegotiating) { - this._queuedNegotiation = true - this._debug('already negotiating, queueing') - } else { - this._debug('requesting negotiation from initiator') - this.emit('signal', { // request initiator to renegotiate - type: 'renegotiate', - renegotiate: true - }) - } - } - this._isNegotiating = true - } - - // TODO: Delete this method once readable-stream is updated to contain a default - // implementation of destroy() that automatically calls _destroy() - // See: https://github.com/nodejs/readable-stream/issues/283 - destroy (err) { - this._destroy(err, () => {}) - } - - _destroy (err, cb) { - if (this.destroyed || this.destroying) return - this.destroying = true - - this._debug('destroying (error: %s)', err && (err.message || err)) - - queueMicrotask(() => { // allow events concurrent with the call to _destroy() to fire (see #692) - this.destroyed = true - this.destroying = false - - this._debug('destroy (error: %s)', err && (err.message || err)) - - this.readable = this.writable = false - - if (!this._readableState.ended) this.push(null) - if (!this._writableState.finished) this.end() - - this._connected = false - this._pcReady = false - this._channelReady = false - this._remoteTracks = null - this._remoteStreams = null - this._senderMap = null - - clearInterval(this._closingInterval) - this._closingInterval = null - - clearInterval(this._interval) - this._interval = null - this._chunk = null - this._cb = null - - if (this._onFinishBound) this.removeListener('finish', this._onFinishBound) - this._onFinishBound = null - - if (this._channel) { - try { - this._channel.close() - } catch (err) {} - - // allow events concurrent with destruction to be handled - this._channel.onmessage = null - this._channel.onopen = null - this._channel.onclose = null - this._channel.onerror = null - } - if (this._pc) { - try { - this._pc.close() - } catch (err) {} - - // allow events concurrent with destruction to be handled - this._pc.oniceconnectionstatechange = null - this._pc.onicegatheringstatechange = null - this._pc.onsignalingstatechange = null - this._pc.onicecandidate = null - this._pc.ontrack = null - this._pc.ondatachannel = null - } - this._pc = null - this._channel = null - - if (err) this.emit('error', err) - this.emit('close') - cb() - }) - } - - _setupData (event) { - if (!event.channel) { - // In some situations `pc.createDataChannel()` returns `undefined` (in wrtc), - // which is invalid behavior. Handle it gracefully. - // See: https://github.com/feross/simple-peer/issues/163 - return this.destroy(errCode(new Error('Data channel event is missing `channel` property'), 'ERR_DATA_CHANNEL')) - } - - this._channel = event.channel - this._channel.binaryType = 'arraybuffer' - - if (typeof this._channel.bufferedAmountLowThreshold === 'number') { - this._channel.bufferedAmountLowThreshold = MAX_BUFFERED_AMOUNT - } - - this.channelName = this._channel.label - - this._channel.onmessage = event => { - this._onChannelMessage(event) - } - this._channel.onbufferedamountlow = () => { - this._onChannelBufferedAmountLow() - } - this._channel.onopen = () => { - this._onChannelOpen() - } - this._channel.onclose = () => { - this._onChannelClose() - } - this._channel.onerror = event => { - const err = event.error instanceof Error - ? event.error - : new Error(`Datachannel error: ${event.message} ${event.filename}:${event.lineno}:${event.colno}`) - this.destroy(errCode(err, 'ERR_DATA_CHANNEL')) - } - - // HACK: Chrome will sometimes get stuck in readyState "closing", let's check for this condition - // https://bugs.chromium.org/p/chromium/issues/detail?id=882743 - let isClosing = false - this._closingInterval = setInterval(() => { // No "onclosing" event - if (this._channel && this._channel.readyState === 'closing') { - if (isClosing) this._onChannelClose() // closing timed out: equivalent to onclose firing - isClosing = true - } else { - isClosing = false - } - }, CHANNEL_CLOSING_TIMEOUT) - } - - _read () {} - - _write (chunk, encoding, cb) { - if (this.destroyed) return cb(errCode(new Error('cannot write after peer is destroyed'), 'ERR_DATA_CHANNEL')) - - if (this._connected) { - try { - this.send(chunk) - } catch (err) { - return this.destroy(errCode(err, 'ERR_DATA_CHANNEL')) - } - if (this._channel.bufferedAmount > MAX_BUFFERED_AMOUNT) { - this._debug('start backpressure: bufferedAmount %d', this._channel.bufferedAmount) - this._cb = cb - } else { - cb(null) - } - } else { - this._debug('write before connect') - this._chunk = chunk - this._cb = cb - } - } - - // When stream finishes writing, close socket. Half open connections are not - // supported. - _onFinish () { - if (this.destroyed) return - - // Wait a bit before destroying so the socket flushes. - // TODO: is there a more reliable way to accomplish this? - const destroySoon = () => { - setTimeout(() => this.destroy(), 1000) - } - - if (this._connected) { - destroySoon() - } else { - this.once('connect', destroySoon) - } - } - - _startIceCompleteTimeout () { - if (this.destroyed) return - if (this._iceCompleteTimer) return - this._debug('started iceComplete timeout') - this._iceCompleteTimer = setTimeout(() => { - if (!this._iceComplete) { - this._iceComplete = true - this._debug('iceComplete timeout completed') - this.emit('iceTimeout') - this.emit('_iceComplete') - } - }, this.iceCompleteTimeout) - } - - _createOffer () { - if (this.destroyed) return - - this._pc.createOffer(this.offerOptions) - .then(offer => { - if (this.destroyed) return - if (!this.trickle && !this.allowHalfTrickle) offer.sdp = filterTrickle(offer.sdp) - offer.sdp = this.sdpTransform(offer.sdp) - - const sendOffer = () => { - if (this.destroyed) return - const signal = this._pc.localDescription || offer - this._debug('signal') - this.emit('signal', { - type: signal.type, - sdp: signal.sdp - }) - } - - const onSuccess = () => { - this._debug('createOffer success') - if (this.destroyed) return - if (this.trickle || this._iceComplete) sendOffer() - else this.once('_iceComplete', sendOffer) // wait for candidates - } - - const onError = err => { - this.destroy(errCode(err, 'ERR_SET_LOCAL_DESCRIPTION')) - } - - this._pc.setLocalDescription(offer) - .then(onSuccess) - .catch(onError) - }) - .catch(err => { - this.destroy(errCode(err, 'ERR_CREATE_OFFER')) - }) - } - - _requestMissingTransceivers () { - if (this._pc.getTransceivers) { - this._pc.getTransceivers().forEach(transceiver => { - if (!transceiver.mid && transceiver.sender.track && !transceiver.requested) { - transceiver.requested = true // HACK: Safari returns negotiated transceivers with a null mid - this.addTransceiver(transceiver.sender.track.kind) - } - }) - } - } - - _createAnswer () { - if (this.destroyed) return - - this._pc.createAnswer(this.answerOptions) - .then(answer => { - if (this.destroyed) return - if (!this.trickle && !this.allowHalfTrickle) answer.sdp = filterTrickle(answer.sdp) - answer.sdp = this.sdpTransform(answer.sdp) - - const sendAnswer = () => { - if (this.destroyed) return - const signal = this._pc.localDescription || answer - this._debug('signal') - this.emit('signal', { - type: signal.type, - sdp: signal.sdp - }) - if (!this.initiator) this._requestMissingTransceivers() - } - - const onSuccess = () => { - if (this.destroyed) return - if (this.trickle || this._iceComplete) sendAnswer() - else this.once('_iceComplete', sendAnswer) - } - - const onError = err => { - this.destroy(errCode(err, 'ERR_SET_LOCAL_DESCRIPTION')) - } - - this._pc.setLocalDescription(answer) - .then(onSuccess) - .catch(onError) - }) - .catch(err => { - this.destroy(errCode(err, 'ERR_CREATE_ANSWER')) - }) - } - - _onConnectionStateChange () { - if (this.destroyed) return - if (this._pc.connectionState === 'failed') { - this.destroy(errCode(new Error('Connection failed.'), 'ERR_CONNECTION_FAILURE')) - } - } - - _onIceStateChange () { - if (this.destroyed) return - const iceConnectionState = this._pc.iceConnectionState - const iceGatheringState = this._pc.iceGatheringState - - this._debug( - 'iceStateChange (connection: %s) (gathering: %s)', - iceConnectionState, - iceGatheringState - ) - this.emit('iceStateChange', iceConnectionState, iceGatheringState) - - if (iceConnectionState === 'connected' || iceConnectionState === 'completed') { - this._pcReady = true - this._maybeReady() - } - if (iceConnectionState === 'failed') { - this.destroy(errCode(new Error('Ice connection failed.'), 'ERR_ICE_CONNECTION_FAILURE')) - } - if (iceConnectionState === 'closed') { - this.destroy(errCode(new Error('Ice connection closed.'), 'ERR_ICE_CONNECTION_CLOSED')) - } - } - - getStats (cb) { - // statreports can come with a value array instead of properties - const flattenValues = report => { - if (Object.prototype.toString.call(report.values) === '[object Array]') { - report.values.forEach(value => { - Object.assign(report, value) - }) - } - return report - } - - // Promise-based getStats() (standard) - if (this._pc.getStats.length === 0 || this._isReactNativeWebrtc) { - this._pc.getStats() - .then(res => { - const reports = [] - res.forEach(report => { - reports.push(flattenValues(report)) - }) - cb(null, reports) - }, err => cb(err)) - - // Single-parameter callback-based getStats() (non-standard) - } else if (this._pc.getStats.length > 0) { - this._pc.getStats(res => { - // If we destroy connection in `connect` callback this code might happen to run when actual connection is already closed - if (this.destroyed) return - - const reports = [] - res.result().forEach(result => { - const report = {} - result.names().forEach(name => { - report[name] = result.stat(name) - }) - report.id = result.id - report.type = result.type - report.timestamp = result.timestamp - reports.push(flattenValues(report)) - }) - cb(null, reports) - }, err => cb(err)) - - // Unknown browser, skip getStats() since it's anyone's guess which style of - // getStats() they implement. - } else { - cb(null, []) - } - } - - _maybeReady () { - this._debug('maybeReady pc %s channel %s', this._pcReady, this._channelReady) - if (this._connected || this._connecting || !this._pcReady || !this._channelReady) return - - this._connecting = true - - // HACK: We can't rely on order here, for details see https://github.com/js-platform/node-webrtc/issues/339 - const findCandidatePair = () => { - if (this.destroyed) return - - this.getStats((err, items) => { - if (this.destroyed) return - - // Treat getStats error as non-fatal. It's not essential. - if (err) items = [] - - const remoteCandidates = {} - const localCandidates = {} - const candidatePairs = {} - let foundSelectedCandidatePair = false - - items.forEach(item => { - // TODO: Once all browsers support the hyphenated stats report types, remove - // the non-hypenated ones - if (item.type === 'remotecandidate' || item.type === 'remote-candidate') { - remoteCandidates[item.id] = item - } - if (item.type === 'localcandidate' || item.type === 'local-candidate') { - localCandidates[item.id] = item - } - if (item.type === 'candidatepair' || item.type === 'candidate-pair') { - candidatePairs[item.id] = item - } - }) - - const setSelectedCandidatePair = selectedCandidatePair => { - foundSelectedCandidatePair = true - - let local = localCandidates[selectedCandidatePair.localCandidateId] - - if (local && (local.ip || local.address)) { - // Spec - this.localAddress = local.ip || local.address - this.localPort = Number(local.port) - } else if (local && local.ipAddress) { - // Firefox - this.localAddress = local.ipAddress - this.localPort = Number(local.portNumber) - } else if (typeof selectedCandidatePair.googLocalAddress === 'string') { - // TODO: remove this once Chrome 58 is released - local = selectedCandidatePair.googLocalAddress.split(':') - this.localAddress = local[0] - this.localPort = Number(local[1]) - } - if (this.localAddress) { - this.localFamily = this.localAddress.includes(':') ? 'IPv6' : 'IPv4' - } - - let remote = remoteCandidates[selectedCandidatePair.remoteCandidateId] - - if (remote && (remote.ip || remote.address)) { - // Spec - this.remoteAddress = remote.ip || remote.address - this.remotePort = Number(remote.port) - } else if (remote && remote.ipAddress) { - // Firefox - this.remoteAddress = remote.ipAddress - this.remotePort = Number(remote.portNumber) - } else if (typeof selectedCandidatePair.googRemoteAddress === 'string') { - // TODO: remove this once Chrome 58 is released - remote = selectedCandidatePair.googRemoteAddress.split(':') - this.remoteAddress = remote[0] - this.remotePort = Number(remote[1]) - } - if (this.remoteAddress) { - this.remoteFamily = this.remoteAddress.includes(':') ? 'IPv6' : 'IPv4' - } - - this._debug( - 'connect local: %s:%s remote: %s:%s', - this.localAddress, - this.localPort, - this.remoteAddress, - this.remotePort - ) - } - - items.forEach(item => { - // Spec-compliant - if (item.type === 'transport' && item.selectedCandidatePairId) { - setSelectedCandidatePair(candidatePairs[item.selectedCandidatePairId]) - } - - // Old implementations - if ( - (item.type === 'googCandidatePair' && item.googActiveConnection === 'true') || - ((item.type === 'candidatepair' || item.type === 'candidate-pair') && item.selected) - ) { - setSelectedCandidatePair(item) - } - }) - - // Ignore candidate pair selection in browsers like Safari 11 that do not have any local or remote candidates - // But wait until at least 1 candidate pair is available - if (!foundSelectedCandidatePair && (!Object.keys(candidatePairs).length || Object.keys(localCandidates).length)) { - setTimeout(findCandidatePair, 100) - return - } else { - this._connecting = false - this._connected = true - } - - if (this._chunk) { - try { - this.send(this._chunk) - } catch (err) { - return this.destroy(errCode(err, 'ERR_DATA_CHANNEL')) - } - this._chunk = null - this._debug('sent chunk from "write before connect"') - - const cb = this._cb - this._cb = null - cb(null) - } - - // If `bufferedAmountLowThreshold` and 'onbufferedamountlow' are unsupported, - // fallback to using setInterval to implement backpressure. - if (typeof this._channel.bufferedAmountLowThreshold !== 'number') { - this._interval = setInterval(() => this._onInterval(), 150) - if (this._interval.unref) this._interval.unref() - } - - this._debug('connect') - this.emit('connect') - }) - } - findCandidatePair() - } - - _onInterval () { - if (!this._cb || !this._channel || this._channel.bufferedAmount > MAX_BUFFERED_AMOUNT) { - return - } - this._onChannelBufferedAmountLow() - } - - _onSignalingStateChange () { - if (this.destroyed) return - - if (this._pc.signalingState === 'stable') { - this._isNegotiating = false - - // HACK: Firefox doesn't yet support removing tracks when signalingState !== 'stable' - this._debug('flushing sender queue', this._sendersAwaitingStable) - this._sendersAwaitingStable.forEach(sender => { - this._pc.removeTrack(sender) - this._queuedNegotiation = true - }) - this._sendersAwaitingStable = [] - - if (this._queuedNegotiation) { - this._debug('flushing negotiation queue') - this._queuedNegotiation = false - this._needsNegotiation() // negotiate again - } else { - this._debug('negotiated') - this.emit('negotiated') - } - } - - this._debug('signalingStateChange %s', this._pc.signalingState) - this.emit('signalingStateChange', this._pc.signalingState) - } - - _onIceCandidate (event) { - if (this.destroyed) return - if (event.candidate && this.trickle) { - this.emit('signal', { - type: 'candidate', - candidate: { - candidate: event.candidate.candidate, - sdpMLineIndex: event.candidate.sdpMLineIndex, - sdpMid: event.candidate.sdpMid - } - }) - } else if (!event.candidate && !this._iceComplete) { - this._iceComplete = true - this.emit('_iceComplete') - } - // as soon as we've received one valid candidate start timeout - if (event.candidate) { - this._startIceCompleteTimeout() - } - } - - _onChannelMessage (event) { - if (this.destroyed) return - let data = event.data - if (data instanceof ArrayBuffer) data = Buffer.from(data) - this.push(data) - } - - _onChannelBufferedAmountLow () { - if (this.destroyed || !this._cb) return - this._debug('ending backpressure: bufferedAmount %d', this._channel.bufferedAmount) - const cb = this._cb - this._cb = null - cb(null) - } - - _onChannelOpen () { - if (this._connected || this.destroyed) return - this._debug('on channel open') - this._channelReady = true - this._maybeReady() - } - - _onChannelClose () { - if (this.destroyed) return - this._debug('on channel close') - this.destroy() - } - - _onTrack (event) { - if (this.destroyed) return - - event.streams.forEach(eventStream => { - this._debug('on track') - this.emit('track', event.track, eventStream) - - this._remoteTracks.push({ - track: event.track, - stream: eventStream - }) - - if (this._remoteStreams.some(remoteStream => { - return remoteStream.id === eventStream.id - })) return // Only fire one 'stream' event, even though there may be multiple tracks per stream - - this._remoteStreams.push(eventStream) - queueMicrotask(() => { - this._debug('on stream') - this.emit('stream', eventStream) // ensure all tracks have been added - }) - }) - } - - _debug () { - const args = [].slice.call(arguments) - args[0] = '[' + this._id + '] ' + args[0] - debug.apply(null, args) - } -} - -Peer.WEBRTC_SUPPORT = !!getBrowserRTC() - -/** - * Expose peer and data channel config for overriding all Peer - * instances. Otherwise, just set opts.config or opts.channelConfig - * when constructing a Peer. - */ -Peer.config = { - iceServers: [ - { - urls: [ - 'stun:stun.l.google.com:19302', - 'stun:global.stun.twilio.com:3478' - ] - } - ], - sdpSemantics: 'unified-plan' -} - -Peer.channelConfig = {} - -module.exports = Peer - -},{"buffer":110,"debug":148,"err-code":180,"get-browser-rtc":189,"queue-microtask":327,"randombytes":330,"readable-stream":385}],371:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],372:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":374,"./_stream_writable":376,"_process":309,"dup":29,"inherits":229}],373:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":375,"dup":30,"inherits":229}],374:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":371,"./_stream_duplex":372,"./internal/streams/async_iterator":377,"./internal/streams/buffer_list":378,"./internal/streams/destroy":379,"./internal/streams/from":381,"./internal/streams/state":383,"./internal/streams/stream":384,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],375:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":371,"./_stream_duplex":372,"dup":32,"inherits":229}],376:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":371,"./_stream_duplex":372,"./internal/streams/destroy":379,"./internal/streams/state":383,"./internal/streams/stream":384,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],377:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":380,"_process":309,"dup":34}],378:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],379:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],380:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":371,"dup":37}],381:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],382:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":371,"./end-of-stream":380,"dup":39}],383:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":371,"dup":40}],384:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],385:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":372,"./lib/_stream_passthrough.js":373,"./lib/_stream_readable.js":374,"./lib/_stream_transform.js":375,"./lib/_stream_writable.js":376,"./lib/internal/streams/end-of-stream.js":380,"./lib/internal/streams/pipeline.js":382,"dup":42}],386:[function(require,module,exports){ -/* global self */ - -const Rusha = require('rusha') -const rushaWorkerSha1 = require('./rusha-worker-sha1') - -const rusha = new Rusha() -const scope = typeof window !== 'undefined' ? window : self -const crypto = scope.crypto || scope.msCrypto || {} -let subtle = crypto.subtle || crypto.webkitSubtle - -function sha1sync (buf) { - return rusha.digest(buf) -} - -// Browsers throw if they lack support for an algorithm. -// Promise will be rejected on non-secure origins. (http://goo.gl/lq4gCo) -try { - subtle.digest({ name: 'sha-1' }, new Uint8Array()).catch(function () { - subtle = false - }) -} catch (err) { subtle = false } - -function sha1 (buf, cb) { - if (!subtle) { - if (typeof window !== 'undefined') { - rushaWorkerSha1(buf, function onRushaWorkerSha1 (err, hash) { - if (err) { - // On error, fallback to synchronous method which cannot fail - cb(sha1sync(buf)) - return - } - - cb(hash) - }) - } else { - queueMicrotask(() => cb(sha1sync(buf))) - } - return - } - - if (typeof buf === 'string') { - buf = uint8array(buf) - } - - subtle.digest({ name: 'sha-1' }, buf) - .then(function succeed (result) { - cb(hex(new Uint8Array(result))) - }, - function fail () { - // On error, fallback to synchronous method which cannot fail - cb(sha1sync(buf)) - }) -} - -function uint8array (s) { - const l = s.length - const array = new Uint8Array(l) - for (let i = 0; i < l; i++) { - array[i] = s.charCodeAt(i) - } - return array -} - -function hex (buf) { - const l = buf.length - const chars = [] - for (let i = 0; i < l; i++) { - const bite = buf[i] - chars.push((bite >>> 4).toString(16)) - chars.push((bite & 0x0f).toString(16)) - } - return chars.join('') -} - -module.exports = sha1 -module.exports.sync = sha1sync - -},{"./rusha-worker-sha1":387,"rusha":355}],387:[function(require,module,exports){ -const Rusha = require('rusha') - -let worker -let nextTaskId -let cbs - -function init () { - worker = Rusha.createWorker() - nextTaskId = 1 - cbs = {} // taskId -> cb - - worker.onmessage = function onRushaMessage (e) { - const taskId = e.data.id - const cb = cbs[taskId] - delete cbs[taskId] - - if (e.data.error != null) { - cb(new Error('Rusha worker error: ' + e.data.error)) - } else { - cb(null, e.data.hash) - } - } -} - -function sha1 (buf, cb) { - if (!worker) init() - - cbs[nextTaskId] = cb - worker.postMessage({ id: nextTaskId, data: buf }) - nextTaskId += 1 -} - -module.exports = sha1 - -},{"rusha":355}],388:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! simple-websocket. MIT License. Feross Aboukhadijeh */ -/* global WebSocket */ - -const debug = require('debug')('simple-websocket') -const randombytes = require('randombytes') -const stream = require('readable-stream') -const queueMicrotask = require('queue-microtask') // TODO: remove when Node 10 is not supported -const ws = require('ws') // websockets in node - will be empty object in browser - -const _WebSocket = typeof ws !== 'function' ? WebSocket : ws - -const MAX_BUFFERED_AMOUNT = 64 * 1024 - -/** - * WebSocket. Same API as node core `net.Socket`. Duplex stream. - * @param {Object} opts - * @param {string=} opts.url websocket server url - * @param {string=} opts.socket raw websocket instance to wrap - */ -class Socket extends stream.Duplex { - constructor (opts = {}) { - // Support simple usage: `new Socket(url)` - if (typeof opts === 'string') { - opts = { url: opts } - } - - opts = Object.assign({ - allowHalfOpen: false - }, opts) - - super(opts) - - if (opts.url == null && opts.socket == null) { - throw new Error('Missing required `url` or `socket` option') - } - if (opts.url != null && opts.socket != null) { - throw new Error('Must specify either `url` or `socket` option, not both') - } - - this._id = randombytes(4).toString('hex').slice(0, 7) - this._debug('new websocket: %o', opts) - - this.connected = false - this.destroyed = false - - this._chunk = null - this._cb = null - this._interval = null - - if (opts.socket) { - this.url = opts.socket.url - this._ws = opts.socket - this.connected = opts.socket.readyState === _WebSocket.OPEN - } else { - this.url = opts.url - try { - if (typeof ws === 'function') { - // `ws` package accepts options - this._ws = new _WebSocket(opts.url, null, { - ...opts, - encoding: undefined // encoding option breaks ws internals - }) - } else { - this._ws = new _WebSocket(opts.url) - } - } catch (err) { - queueMicrotask(() => this.destroy(err)) - return - } - } - - this._ws.binaryType = 'arraybuffer' - - if (opts.socket && this.connected) { - queueMicrotask(() => this._handleOpen()) - } else { - this._ws.onopen = () => this._handleOpen() - } - - this._ws.onmessage = event => this._handleMessage(event) - this._ws.onclose = () => this._handleClose() - this._ws.onerror = err => this._handleError(err) - - this._handleFinishBound = () => this._handleFinish() - this.once('finish', this._handleFinishBound) - } - - /** - * Send text/binary data to the WebSocket server. - * @param {TypedArrayView|ArrayBuffer|Buffer|string|Blob|Object} chunk - */ - send (chunk) { - this._ws.send(chunk) - } - - // TODO: Delete this method once readable-stream is updated to contain a default - // implementation of destroy() that automatically calls _destroy() - // See: https://github.com/nodejs/readable-stream/issues/283 - destroy (err) { - this._destroy(err, () => {}) - } - - _destroy (err, cb) { - if (this.destroyed) return - - this._debug('destroy (error: %s)', err && (err.message || err)) - - this.readable = this.writable = false - if (!this._readableState.ended) this.push(null) - if (!this._writableState.finished) this.end() - - this.connected = false - this.destroyed = true - - clearInterval(this._interval) - this._interval = null - this._chunk = null - this._cb = null - - if (this._handleFinishBound) { - this.removeListener('finish', this._handleFinishBound) - } - this._handleFinishBound = null - - if (this._ws) { - const ws = this._ws - const onClose = () => { - ws.onclose = null - } - if (ws.readyState === _WebSocket.CLOSED) { - onClose() - } else { - try { - ws.onclose = onClose - ws.close() - } catch (err) { - onClose() - } - } - - ws.onopen = null - ws.onmessage = null - ws.onerror = () => {} - } - this._ws = null - - if (err) this.emit('error', err) - this.emit('close') - cb() - } - - _read () {} - - _write (chunk, encoding, cb) { - if (this.destroyed) return cb(new Error('cannot write after socket is destroyed')) - - if (this.connected) { - try { - this.send(chunk) - } catch (err) { - return this.destroy(err) - } - if (typeof ws !== 'function' && this._ws.bufferedAmount > MAX_BUFFERED_AMOUNT) { - this._debug('start backpressure: bufferedAmount %d', this._ws.bufferedAmount) - this._cb = cb - } else { - cb(null) - } - } else { - this._debug('write before connect') - this._chunk = chunk - this._cb = cb - } - } - - _handleOpen () { - if (this.connected || this.destroyed) return - this.connected = true - - if (this._chunk) { - try { - this.send(this._chunk) - } catch (err) { - return this.destroy(err) - } - this._chunk = null - this._debug('sent chunk from "write before connect"') - - const cb = this._cb - this._cb = null - cb(null) - } - - // Backpressure is not implemented in Node.js. The `ws` module has a buggy - // `bufferedAmount` property. See: https://github.com/websockets/ws/issues/492 - if (typeof ws !== 'function') { - this._interval = setInterval(() => this._onInterval(), 150) - if (this._interval.unref) this._interval.unref() - } - - this._debug('connect') - this.emit('connect') - } - - _handleMessage (event) { - if (this.destroyed) return - let data = event.data - if (data instanceof ArrayBuffer) data = Buffer.from(data) - this.push(data) - } - - _handleClose () { - if (this.destroyed) return - this._debug('on close') - this.destroy() - } - - _handleError (_) { - this.destroy(new Error(`Error connecting to ${this.url}`)) - } - - // When stream finishes writing, close socket. Half open connections are not - // supported. - _handleFinish () { - if (this.destroyed) return - - // Wait a bit before destroying so the socket flushes. - // TODO: is there a more reliable way to accomplish this? - const destroySoon = () => { - setTimeout(() => this.destroy(), 1000) - } - - if (this.connected) { - destroySoon() - } else { - this.once('connect', destroySoon) - } - } - - _onInterval () { - if (!this._cb || !this._ws || this._ws.bufferedAmount > MAX_BUFFERED_AMOUNT) { - return - } - this._debug('ending backpressure: bufferedAmount %d', this._ws.bufferedAmount) - const cb = this._cb - this._cb = null - cb(null) - } - - _debug () { - const args = [].slice.call(arguments) - args[0] = '[' + this._id + '] ' + args[0] - debug.apply(null, args) - } -} - -Socket.WEBSOCKET_SUPPORT = !!_WebSocket - -module.exports = Socket - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"debug":148,"queue-microtask":327,"randombytes":330,"readable-stream":403,"ws":67}],389:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],390:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":392,"./_stream_writable":394,"_process":309,"dup":29,"inherits":229}],391:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":393,"dup":30,"inherits":229}],392:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":389,"./_stream_duplex":390,"./internal/streams/async_iterator":395,"./internal/streams/buffer_list":396,"./internal/streams/destroy":397,"./internal/streams/from":399,"./internal/streams/state":401,"./internal/streams/stream":402,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],393:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":389,"./_stream_duplex":390,"dup":32,"inherits":229}],394:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":389,"./_stream_duplex":390,"./internal/streams/destroy":397,"./internal/streams/state":401,"./internal/streams/stream":402,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],395:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":398,"_process":309,"dup":34}],396:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],397:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],398:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":389,"dup":37}],399:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],400:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":389,"./end-of-stream":398,"dup":39}],401:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":389,"dup":40}],402:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],403:[function(require,module,exports){ -arguments[4][42][0].apply(exports,arguments) -},{"./lib/_stream_duplex.js":390,"./lib/_stream_passthrough.js":391,"./lib/_stream_readable.js":392,"./lib/_stream_transform.js":393,"./lib/_stream_writable.js":394,"./lib/internal/streams/end-of-stream.js":398,"./lib/internal/streams/pipeline.js":400,"dup":42}],404:[function(require,module,exports){ -const Throttle = require('./lib/throttle') -const ThrottleGroup = require('./lib/throttle-group') - -module.exports = { - Throttle, - ThrottleGroup -} - -},{"./lib/throttle":406,"./lib/throttle-group":405}],405:[function(require,module,exports){ -const { TokenBucket } = require('limiter') -const Throttle = require('./throttle') - -class ThrottleGroup { - constructor (opts = {}) { - if (typeof opts !== 'object') throw new Error('Options must be an object') - - this.throttles = [] - this.setEnabled(opts.enabled) - this.setRate(opts.rate, opts.chunksize) - } - - getEnabled () { - return this._enabled - } - - getRate () { - // Note: bucketSize === tokensPerInterval - return this.bucket.tokensPerInterval - } - - getChunksize () { - return this.chunksize - } - - setEnabled (val = true) { - if (typeof val !== 'boolean') throw new Error('Enabled must be a boolean') - - this._enabled = val - for (const throttle of this.throttles) { - throttle.setEnabled(val) - } - } - - setRate (rate, chunksize = null) { - // Note: rate = 0, means we should stop processing chunks - if (!Number.isInteger(rate) || rate < 0) throw new Error('Rate must be an integer bigger than zero') - rate = parseInt(rate) - - if (chunksize && (typeof chunksize !== 'number' || chunksize <= 0)) throw new Error('Chunksize must be bigger than zero') - chunksize = chunksize || Math.max(parseInt(rate / 10), 1) - chunksize = parseInt(chunksize) - if (rate > 0 && chunksize > rate) throw new Error('Chunk size must be smaller than rate') - - if (!this.bucket) this.bucket = new TokenBucket(rate, rate, 'second', null) - - this.bucket.bucketSize = rate - this.bucket.tokensPerInterval = rate - this.chunksize = chunksize - } - - setChunksize (chunksize) { - if (!Number.isInteger(chunksize) || chunksize <= 0) throw new Error('Chunk size must be an integer bigger than zero') - const rate = this.getRate() - chunksize = parseInt(chunksize) - if (rate > 0 && chunksize > rate) throw new Error('Chunk size must be smaller than rate') - this.chunksize = chunksize - } - - throttle (opts = {}) { - if (typeof opts !== 'object') throw new Error('Options must be an object') - - const newThrottle = new Throttle({ - ...opts, - group: this - }) - - return newThrottle - } - - destroy () { - for (const throttle of this.throttles) { - throttle.destroy() - } - - this.throttles = [] - } - - _addThrottle (throttle) { - if (!(throttle instanceof Throttle)) throw new Error('Throttle must be an instance of Throttle') - - this.throttles.push(throttle) - } - - _removeThrottle (throttle) { - const index = this.throttles.indexOf(throttle) - if (index > -1) this.throttles.splice(index, 1) - } -} - -module.exports = ThrottleGroup - -},{"./throttle":406,"limiter":234}],406:[function(require,module,exports){ -const { EventEmitter } = require('events') -const { Transform } = require('streamx') -const { wait } = require('./utils') - -class Throttle extends Transform { - constructor (opts = {}) { - super() - - if (typeof opts !== 'object') throw new Error('Options must be an object') - - const params = Object.assign({}, opts) - - if (params.group && !(params.group instanceof ThrottleGroup)) throw new Error('Group must be an instanece of ThrottleGroup') - else if (!params.group) params.group = new ThrottleGroup(params) - - this._setEnabled(params.enabled || params.group.enabled) - this._group = params.group - this._emitter = new EventEmitter() - this._destroyed = false - - this._group._addThrottle(this) - } - - getEnabled () { - return this._enabled - } - - getGroup () { - return this._group - } - - _setEnabled (val = true) { - if (typeof val !== 'boolean') throw new Error('Enabled must be a boolean') - this._enabled = val - } - - setEnabled (val) { - this._setEnabled(val) - if (this._enabled) this._emitter.emit('enabled') - else this._emitter.emit('disabled') - } - - _transform (chunk, done) { - this._processChunk(chunk, done) - } - - /* async _waitForPositiveRate () { - // Stop pushing chunks if rate is zero - while (this._group.getRate() === 0 && !this._destroyed && this._areBothEnabled()) { - await wait(1 * 1000) // wait 1 second - } - } */ - - async _waitForTokens (amount) { - // Wait for enabled, destroyed or tokens - return new Promise((resolve, reject) => { - let done = false - const self = this - function isDone (err) { - self._emitter.removeListener('disabled', isDone) - self._emitter.removeListener('destroyed', isDone) - - if (done) return - done = true - if (err) return reject(err) - resolve() - } - this._emitter.once('disabled', isDone) - this._emitter.once('destroyed', isDone) - // TODO: next version remove lisener in "isDone" - this._group.bucket.removeTokens(amount, isDone) - }) - } - - _areBothEnabled () { - return this._enabled && this._group.getEnabled() - } - - /* async _throttleChunk (size) { - // Stop pushing chunks if rate is zero - await this._waitForPositiveRate() - if (this._destroyed) return - if (!this._areBothEnabled()) return - - // Get tokens from bucket - await this._waitForTokens(size) - } */ - - async _processChunk (chunk, done) { - if (!this._areBothEnabled()) return done(null, chunk) - - let pos = 0 - let chunksize = this._group.getChunksize() - let slice = chunk.slice(pos, pos + chunksize) - while (slice.length > 0) { - // Check here again because we might be in the middle of a big chunk - // with a lot of small slices - if (this._areBothEnabled()) { - try { - // WAIT FOR POSITIVE RATE - // Stop pushing chunks if rate is zero - while (this._group.getRate() === 0 && !this._destroyed && this._areBothEnabled()) { - await wait(1000) // wait 1 second - if (this._destroyed) return - } - - // WAIT FOR TOKENS - if (this._areBothEnabled() && !this._group.bucket.tryRemoveTokens(slice.length)) { - await this._waitForTokens(slice.length) - if (this._destroyed) return - } - } catch (err) { - return done(err) - } - } - - this.push(slice) - pos += chunksize - - // Calculate params for next slice - chunksize = (this._areBothEnabled()) - ? this._group.getChunksize() // Chunksize might have changed - : chunk.length - pos // Get the rest of the chunk - slice = chunk.slice(pos, pos + chunksize) - } - - return done() - } - - destroy (...args) { - this._group._removeThrottle(this) - - this._destroyed = true - this._emitter.emit('destroyed') - - super.destroy(...args) - } -} - -module.exports = Throttle - -// Fix circular dependency -const ThrottleGroup = require('./throttle-group') - -},{"./throttle-group":405,"./utils":407,"events":181,"streamx":446}],407:[function(require,module,exports){ -function wait (time) { - return new Promise((resolve) => setTimeout(resolve, time)) -} - -module.exports = { - wait -} - -},{}],408:[function(require,module,exports){ -var tick = 1 -var maxTick = 65535 -var resolution = 4 -var timer -var inc = function () { - tick = (tick + 1) & maxTick -} - - -module.exports = function (seconds) { - if (!timer) { - timer = setInterval(inc, (1000 / resolution) | 0) - if (timer.unref) timer.unref() - } - - var size = resolution * (seconds || 5) - var buffer = [0] - var pointer = 1 - var last = (tick - 1) & maxTick - - return function (delta) { - var dist = (tick - last) & maxTick - if (dist > size) dist = size - last = tick - - while (dist--) { - if (pointer === size) pointer = 0 - buffer[pointer] = buffer[pointer === 0 ? size - 1 : pointer - 1] - pointer++ - } - - if (delta) buffer[pointer - 1] += delta - - var top = buffer[pointer - 1] - var btm = buffer.length < size ? 0 : buffer[pointer === size ? 0 : pointer] - - return buffer.length < resolution ? top : (top - btm) * resolution / buffer.length - } -} - -},{}],409:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -module.exports = Stream; - -var EE = require('events').EventEmitter; -var inherits = require('inherits'); - -inherits(Stream, EE); -Stream.Readable = require('readable-stream/lib/_stream_readable.js'); -Stream.Writable = require('readable-stream/lib/_stream_writable.js'); -Stream.Duplex = require('readable-stream/lib/_stream_duplex.js'); -Stream.Transform = require('readable-stream/lib/_stream_transform.js'); -Stream.PassThrough = require('readable-stream/lib/_stream_passthrough.js'); -Stream.finished = require('readable-stream/lib/internal/streams/end-of-stream.js') -Stream.pipeline = require('readable-stream/lib/internal/streams/pipeline.js') - -// Backwards-compat with node 0.4.x -Stream.Stream = Stream; - - - -// old-style streams. Note that the pipe method (the only relevant -// part of this class) is overridden in the Readable class. - -function Stream() { - EE.call(this); -} - -Stream.prototype.pipe = function(dest, options) { - var source = this; - - function ondata(chunk) { - if (dest.writable) { - if (false === dest.write(chunk) && source.pause) { - source.pause(); - } - } - } - - source.on('data', ondata); - - function ondrain() { - if (source.readable && source.resume) { - source.resume(); - } - } - - dest.on('drain', ondrain); - - // If the 'end' option is not supplied, dest.end() will be called when - // source gets the 'end' or 'close' events. Only dest.end() once. - if (!dest._isStdio && (!options || options.end !== false)) { - source.on('end', onend); - source.on('close', onclose); - } - - var didOnEnd = false; - function onend() { - if (didOnEnd) return; - didOnEnd = true; - - dest.end(); - } - - - function onclose() { - if (didOnEnd) return; - didOnEnd = true; - - if (typeof dest.destroy === 'function') dest.destroy(); - } - - // don't leave dangling pipes when there are errors. - function onerror(er) { - cleanup(); - if (EE.listenerCount(this, 'error') === 0) { - throw er; // Unhandled stream error in pipe. - } - } - - source.on('error', onerror); - dest.on('error', onerror); - - // remove all the event listeners that were added. - function cleanup() { - source.removeListener('data', ondata); - dest.removeListener('drain', ondrain); - - source.removeListener('end', onend); - source.removeListener('close', onclose); - - source.removeListener('error', onerror); - dest.removeListener('error', onerror); - - source.removeListener('end', cleanup); - source.removeListener('close', cleanup); - - dest.removeListener('close', cleanup); - } - - source.on('end', cleanup); - source.on('close', cleanup); - - dest.on('close', cleanup); - - dest.emit('pipe', source); - - // Allow for unix-like usage: A.pipe(B).pipe(C) - return dest; -}; - -},{"events":181,"inherits":229,"readable-stream/lib/_stream_duplex.js":411,"readable-stream/lib/_stream_passthrough.js":412,"readable-stream/lib/_stream_readable.js":413,"readable-stream/lib/_stream_transform.js":414,"readable-stream/lib/_stream_writable.js":415,"readable-stream/lib/internal/streams/end-of-stream.js":419,"readable-stream/lib/internal/streams/pipeline.js":421}],410:[function(require,module,exports){ -arguments[4][28][0].apply(exports,arguments) -},{"dup":28}],411:[function(require,module,exports){ -arguments[4][29][0].apply(exports,arguments) -},{"./_stream_readable":413,"./_stream_writable":415,"_process":309,"dup":29,"inherits":229}],412:[function(require,module,exports){ -arguments[4][30][0].apply(exports,arguments) -},{"./_stream_transform":414,"dup":30,"inherits":229}],413:[function(require,module,exports){ -arguments[4][31][0].apply(exports,arguments) -},{"../errors":410,"./_stream_duplex":411,"./internal/streams/async_iterator":416,"./internal/streams/buffer_list":417,"./internal/streams/destroy":418,"./internal/streams/from":420,"./internal/streams/state":422,"./internal/streams/stream":423,"_process":309,"buffer":110,"dup":31,"events":181,"inherits":229,"string_decoder/":447,"util":67}],414:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"../errors":410,"./_stream_duplex":411,"dup":32,"inherits":229}],415:[function(require,module,exports){ -arguments[4][33][0].apply(exports,arguments) -},{"../errors":410,"./_stream_duplex":411,"./internal/streams/destroy":418,"./internal/streams/state":422,"./internal/streams/stream":423,"_process":309,"buffer":110,"dup":33,"inherits":229,"util-deprecate":459}],416:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./end-of-stream":419,"_process":309,"dup":34}],417:[function(require,module,exports){ -arguments[4][35][0].apply(exports,arguments) -},{"buffer":110,"dup":35,"util":67}],418:[function(require,module,exports){ -arguments[4][36][0].apply(exports,arguments) -},{"_process":309,"dup":36}],419:[function(require,module,exports){ -arguments[4][37][0].apply(exports,arguments) -},{"../../../errors":410,"dup":37}],420:[function(require,module,exports){ -arguments[4][38][0].apply(exports,arguments) -},{"dup":38}],421:[function(require,module,exports){ -arguments[4][39][0].apply(exports,arguments) -},{"../../../errors":410,"./end-of-stream":419,"dup":39}],422:[function(require,module,exports){ -arguments[4][40][0].apply(exports,arguments) -},{"../../../errors":410,"dup":40}],423:[function(require,module,exports){ -arguments[4][41][0].apply(exports,arguments) -},{"dup":41,"events":181}],424:[function(require,module,exports){ -(function (global){(function (){ -var ClientRequest = require('./lib/request') -var response = require('./lib/response') -var extend = require('xtend') -var statusCodes = require('builtin-status-codes') -var url = require('url') - -var http = exports - -http.request = function (opts, cb) { - if (typeof opts === 'string') - opts = url.parse(opts) - else - opts = extend(opts) - - // Normally, the page is loaded from http or https, so not specifying a protocol - // will result in a (valid) protocol-relative url. However, this won't work if - // the protocol is something else, like 'file:' - var defaultProtocol = global.location.protocol.search(/^https?:$/) === -1 ? 'http:' : '' - - var protocol = opts.protocol || defaultProtocol - var host = opts.hostname || opts.host - var port = opts.port - var path = opts.path || '/' - - // Necessary for IPv6 addresses - if (host && host.indexOf(':') !== -1) - host = '[' + host + ']' - - // This may be a relative url. The browser should always be able to interpret it correctly. - opts.url = (host ? (protocol + '//' + host) : '') + (port ? ':' + port : '') + path - opts.method = (opts.method || 'GET').toUpperCase() - opts.headers = opts.headers || {} - - // Also valid opts.auth, opts.mode - - var req = new ClientRequest(opts) - if (cb) - req.on('response', cb) - return req -} - -http.get = function get (opts, cb) { - var req = http.request(opts, cb) - req.end() - return req -} - -http.ClientRequest = ClientRequest -http.IncomingMessage = response.IncomingMessage - -http.Agent = function () {} -http.Agent.defaultMaxSockets = 4 - -http.globalAgent = new http.Agent() - -http.STATUS_CODES = statusCodes - -http.METHODS = [ - 'CHECKOUT', - 'CONNECT', - 'COPY', - 'DELETE', - 'GET', - 'HEAD', - 'LOCK', - 'M-SEARCH', - 'MERGE', - 'MKACTIVITY', - 'MKCOL', - 'MOVE', - 'NOTIFY', - 'OPTIONS', - 'PATCH', - 'POST', - 'PROPFIND', - 'PROPPATCH', - 'PURGE', - 'PUT', - 'REPORT', - 'SEARCH', - 'SUBSCRIBE', - 'TRACE', - 'UNLOCK', - 'UNSUBSCRIBE' -] -}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"./lib/request":426,"./lib/response":427,"builtin-status-codes":115,"url":457,"xtend":471}],425:[function(require,module,exports){ -(function (global){(function (){ -exports.fetch = isFunction(global.fetch) && isFunction(global.ReadableStream) - -exports.writableStream = isFunction(global.WritableStream) - -exports.abortController = isFunction(global.AbortController) - -// The xhr request to example.com may violate some restrictive CSP configurations, -// so if we're running in a browser that supports `fetch`, avoid calling getXHR() -// and assume support for certain features below. -var xhr -function getXHR () { - // Cache the xhr value - if (xhr !== undefined) return xhr - - if (global.XMLHttpRequest) { - xhr = new global.XMLHttpRequest() - // If XDomainRequest is available (ie only, where xhr might not work - // cross domain), use the page location. Otherwise use example.com - // Note: this doesn't actually make an http request. - try { - xhr.open('GET', global.XDomainRequest ? '/' : 'https://example.com') - } catch(e) { - xhr = null - } - } else { - // Service workers don't have XHR - xhr = null - } - return xhr -} - -function checkTypeSupport (type) { - var xhr = getXHR() - if (!xhr) return false - try { - xhr.responseType = type - return xhr.responseType === type - } catch (e) {} - return false -} - -// If fetch is supported, then arraybuffer will be supported too. Skip calling -// checkTypeSupport(), since that calls getXHR(). -exports.arraybuffer = exports.fetch || checkTypeSupport('arraybuffer') - -// These next two tests unavoidably show warnings in Chrome. Since fetch will always -// be used if it's available, just return false for these to avoid the warnings. -exports.msstream = !exports.fetch && checkTypeSupport('ms-stream') -exports.mozchunkedarraybuffer = !exports.fetch && checkTypeSupport('moz-chunked-arraybuffer') - -// If fetch is supported, then overrideMimeType will be supported too. Skip calling -// getXHR(). -exports.overrideMimeType = exports.fetch || (getXHR() ? isFunction(getXHR().overrideMimeType) : false) - -function isFunction (value) { - return typeof value === 'function' -} - -xhr = null // Help gc - -}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{}],426:[function(require,module,exports){ -(function (process,global,Buffer){(function (){ -var capability = require('./capability') -var inherits = require('inherits') -var response = require('./response') -var stream = require('readable-stream') - -var IncomingMessage = response.IncomingMessage -var rStates = response.readyStates - -function decideMode (preferBinary, useFetch) { - if (capability.fetch && useFetch) { - return 'fetch' - } else if (capability.mozchunkedarraybuffer) { - return 'moz-chunked-arraybuffer' - } else if (capability.msstream) { - return 'ms-stream' - } else if (capability.arraybuffer && preferBinary) { - return 'arraybuffer' - } else { - return 'text' - } -} - -var ClientRequest = module.exports = function (opts) { - var self = this - stream.Writable.call(self) - - self._opts = opts - self._body = [] - self._headers = {} - if (opts.auth) - self.setHeader('Authorization', 'Basic ' + Buffer.from(opts.auth).toString('base64')) - Object.keys(opts.headers).forEach(function (name) { - self.setHeader(name, opts.headers[name]) - }) - - var preferBinary - var useFetch = true - if (opts.mode === 'disable-fetch' || ('requestTimeout' in opts && !capability.abortController)) { - // If the use of XHR should be preferred. Not typically needed. - useFetch = false - preferBinary = true - } else if (opts.mode === 'prefer-streaming') { - // If streaming is a high priority but binary compatibility and - // the accuracy of the 'content-type' header aren't - preferBinary = false - } else if (opts.mode === 'allow-wrong-content-type') { - // If streaming is more important than preserving the 'content-type' header - preferBinary = !capability.overrideMimeType - } else if (!opts.mode || opts.mode === 'default' || opts.mode === 'prefer-fast') { - // Use binary if text streaming may corrupt data or the content-type header, or for speed - preferBinary = true - } else { - throw new Error('Invalid value for opts.mode') - } - self._mode = decideMode(preferBinary, useFetch) - self._fetchTimer = null - self._socketTimeout = null - self._socketTimer = null - - self.on('finish', function () { - self._onFinish() - }) -} - -inherits(ClientRequest, stream.Writable) - -ClientRequest.prototype.setHeader = function (name, value) { - var self = this - var lowerName = name.toLowerCase() - // This check is not necessary, but it prevents warnings from browsers about setting unsafe - // headers. To be honest I'm not entirely sure hiding these warnings is a good thing, but - // http-browserify did it, so I will too. - if (unsafeHeaders.indexOf(lowerName) !== -1) - return - - self._headers[lowerName] = { - name: name, - value: value - } -} - -ClientRequest.prototype.getHeader = function (name) { - var header = this._headers[name.toLowerCase()] - if (header) - return header.value - return null -} - -ClientRequest.prototype.removeHeader = function (name) { - var self = this - delete self._headers[name.toLowerCase()] -} - -ClientRequest.prototype._onFinish = function () { - var self = this - - if (self._destroyed) - return - var opts = self._opts - - if ('timeout' in opts && opts.timeout !== 0) { - self.setTimeout(opts.timeout) - } - - var headersObj = self._headers - var body = null - if (opts.method !== 'GET' && opts.method !== 'HEAD') { - body = new Blob(self._body, { - type: (headersObj['content-type'] || {}).value || '' - }); - } - - // create flattened list of headers - var headersList = [] - Object.keys(headersObj).forEach(function (keyName) { - var name = headersObj[keyName].name - var value = headersObj[keyName].value - if (Array.isArray(value)) { - value.forEach(function (v) { - headersList.push([name, v]) - }) - } else { - headersList.push([name, value]) - } - }) - - if (self._mode === 'fetch') { - var signal = null - if (capability.abortController) { - var controller = new AbortController() - signal = controller.signal - self._fetchAbortController = controller - - if ('requestTimeout' in opts && opts.requestTimeout !== 0) { - self._fetchTimer = global.setTimeout(function () { - self.emit('requestTimeout') - if (self._fetchAbortController) - self._fetchAbortController.abort() - }, opts.requestTimeout) - } - } - - global.fetch(self._opts.url, { - method: self._opts.method, - headers: headersList, - body: body || undefined, - mode: 'cors', - credentials: opts.withCredentials ? 'include' : 'same-origin', - signal: signal - }).then(function (response) { - self._fetchResponse = response - self._resetTimers(false) - self._connect() - }, function (reason) { - self._resetTimers(true) - if (!self._destroyed) - self.emit('error', reason) - }) - } else { - var xhr = self._xhr = new global.XMLHttpRequest() - try { - xhr.open(self._opts.method, self._opts.url, true) - } catch (err) { - process.nextTick(function () { - self.emit('error', err) - }) - return - } - - // Can't set responseType on really old browsers - if ('responseType' in xhr) - xhr.responseType = self._mode - - if ('withCredentials' in xhr) - xhr.withCredentials = !!opts.withCredentials - - if (self._mode === 'text' && 'overrideMimeType' in xhr) - xhr.overrideMimeType('text/plain; charset=x-user-defined') - - if ('requestTimeout' in opts) { - xhr.timeout = opts.requestTimeout - xhr.ontimeout = function () { - self.emit('requestTimeout') - } - } - - headersList.forEach(function (header) { - xhr.setRequestHeader(header[0], header[1]) - }) - - self._response = null - xhr.onreadystatechange = function () { - switch (xhr.readyState) { - case rStates.LOADING: - case rStates.DONE: - self._onXHRProgress() - break - } - } - // Necessary for streaming in Firefox, since xhr.response is ONLY defined - // in onprogress, not in onreadystatechange with xhr.readyState = 3 - if (self._mode === 'moz-chunked-arraybuffer') { - xhr.onprogress = function () { - self._onXHRProgress() - } - } - - xhr.onerror = function () { - if (self._destroyed) - return - self._resetTimers(true) - self.emit('error', new Error('XHR error')) - } - - try { - xhr.send(body) - } catch (err) { - process.nextTick(function () { - self.emit('error', err) - }) - return - } - } -} - -/** - * Checks if xhr.status is readable and non-zero, indicating no error. - * Even though the spec says it should be available in readyState 3, - * accessing it throws an exception in IE8 - */ -function statusValid (xhr) { - try { - var status = xhr.status - return (status !== null && status !== 0) - } catch (e) { - return false - } -} - -ClientRequest.prototype._onXHRProgress = function () { - var self = this - - self._resetTimers(false) - - if (!statusValid(self._xhr) || self._destroyed) - return - - if (!self._response) - self._connect() - - self._response._onXHRProgress(self._resetTimers.bind(self)) -} - -ClientRequest.prototype._connect = function () { - var self = this - - if (self._destroyed) - return - - self._response = new IncomingMessage(self._xhr, self._fetchResponse, self._mode, self._resetTimers.bind(self)) - self._response.on('error', function(err) { - self.emit('error', err) - }) - - self.emit('response', self._response) -} - -ClientRequest.prototype._write = function (chunk, encoding, cb) { - var self = this - - self._body.push(chunk) - cb() -} - -ClientRequest.prototype._resetTimers = function (done) { - var self = this - - global.clearTimeout(self._socketTimer) - self._socketTimer = null - - if (done) { - global.clearTimeout(self._fetchTimer) - self._fetchTimer = null - } else if (self._socketTimeout) { - self._socketTimer = global.setTimeout(function () { - self.emit('timeout') - }, self._socketTimeout) - } -} - -ClientRequest.prototype.abort = ClientRequest.prototype.destroy = function (err) { - var self = this - self._destroyed = true - self._resetTimers(true) - if (self._response) - self._response._destroyed = true - if (self._xhr) - self._xhr.abort() - else if (self._fetchAbortController) - self._fetchAbortController.abort() - - if (err) - self.emit('error', err) -} - -ClientRequest.prototype.end = function (data, encoding, cb) { - var self = this - if (typeof data === 'function') { - cb = data - data = undefined - } - - stream.Writable.prototype.end.call(self, data, encoding, cb) -} - -ClientRequest.prototype.setTimeout = function (timeout, cb) { - var self = this - - if (cb) - self.once('timeout', cb) - - self._socketTimeout = timeout - self._resetTimers(false) -} - -ClientRequest.prototype.flushHeaders = function () {} -ClientRequest.prototype.setNoDelay = function () {} -ClientRequest.prototype.setSocketKeepAlive = function () {} - -// Taken from http://www.w3.org/TR/XMLHttpRequest/#the-setrequestheader%28%29-method -var unsafeHeaders = [ - 'accept-charset', - 'accept-encoding', - 'access-control-request-headers', - 'access-control-request-method', - 'connection', - 'content-length', - 'cookie', - 'cookie2', - 'date', - 'dnt', - 'expect', - 'host', - 'keep-alive', - 'origin', - 'referer', - 'te', - 'trailer', - 'transfer-encoding', - 'upgrade', - 'via' -] - -}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer) -},{"./capability":425,"./response":427,"_process":309,"buffer":110,"inherits":229,"readable-stream":442}],427:[function(require,module,exports){ -(function (process,global,Buffer){(function (){ -var capability = require('./capability') -var inherits = require('inherits') -var stream = require('readable-stream') - -var rStates = exports.readyStates = { - UNSENT: 0, - OPENED: 1, - HEADERS_RECEIVED: 2, - LOADING: 3, - DONE: 4 -} - -var IncomingMessage = exports.IncomingMessage = function (xhr, response, mode, resetTimers) { - var self = this - stream.Readable.call(self) - - self._mode = mode - self.headers = {} - self.rawHeaders = [] - self.trailers = {} - self.rawTrailers = [] - - // Fake the 'close' event, but only once 'end' fires - self.on('end', function () { - // The nextTick is necessary to prevent the 'request' module from causing an infinite loop - process.nextTick(function () { - self.emit('close') - }) - }) - - if (mode === 'fetch') { - self._fetchResponse = response - - self.url = response.url - self.statusCode = response.status - self.statusMessage = response.statusText - - response.headers.forEach(function (header, key){ - self.headers[key.toLowerCase()] = header - self.rawHeaders.push(key, header) - }) - - if (capability.writableStream) { - var writable = new WritableStream({ - write: function (chunk) { - resetTimers(false) - return new Promise(function (resolve, reject) { - if (self._destroyed) { - reject() - } else if(self.push(Buffer.from(chunk))) { - resolve() - } else { - self._resumeFetch = resolve - } - }) - }, - close: function () { - resetTimers(true) - if (!self._destroyed) - self.push(null) - }, - abort: function (err) { - resetTimers(true) - if (!self._destroyed) - self.emit('error', err) - } - }) - - try { - response.body.pipeTo(writable).catch(function (err) { - resetTimers(true) - if (!self._destroyed) - self.emit('error', err) - }) - return - } catch (e) {} // pipeTo method isn't defined. Can't find a better way to feature test this - } - // fallback for when writableStream or pipeTo aren't available - var reader = response.body.getReader() - function read () { - reader.read().then(function (result) { - if (self._destroyed) - return - resetTimers(result.done) - if (result.done) { - self.push(null) - return - } - self.push(Buffer.from(result.value)) - read() - }).catch(function (err) { - resetTimers(true) - if (!self._destroyed) - self.emit('error', err) - }) - } - read() - } else { - self._xhr = xhr - self._pos = 0 - - self.url = xhr.responseURL - self.statusCode = xhr.status - self.statusMessage = xhr.statusText - var headers = xhr.getAllResponseHeaders().split(/\r?\n/) - headers.forEach(function (header) { - var matches = header.match(/^([^:]+):\s*(.*)/) - if (matches) { - var key = matches[1].toLowerCase() - if (key === 'set-cookie') { - if (self.headers[key] === undefined) { - self.headers[key] = [] - } - self.headers[key].push(matches[2]) - } else if (self.headers[key] !== undefined) { - self.headers[key] += ', ' + matches[2] - } else { - self.headers[key] = matches[2] - } - self.rawHeaders.push(matches[1], matches[2]) - } - }) - - self._charset = 'x-user-defined' - if (!capability.overrideMimeType) { - var mimeType = self.rawHeaders['mime-type'] - if (mimeType) { - var charsetMatch = mimeType.match(/;\s*charset=([^;])(;|$)/) - if (charsetMatch) { - self._charset = charsetMatch[1].toLowerCase() - } - } - if (!self._charset) - self._charset = 'utf-8' // best guess - } - } -} - -inherits(IncomingMessage, stream.Readable) - -IncomingMessage.prototype._read = function () { - var self = this - - var resolve = self._resumeFetch - if (resolve) { - self._resumeFetch = null - resolve() - } -} - -IncomingMessage.prototype._onXHRProgress = function (resetTimers) { - var self = this - - var xhr = self._xhr - - var response = null - switch (self._mode) { - case 'text': - response = xhr.responseText - if (response.length > self._pos) { - var newData = response.substr(self._pos) - if (self._charset === 'x-user-defined') { - var buffer = Buffer.alloc(newData.length) - for (var i = 0; i < newData.length; i++) - buffer[i] = newData.charCodeAt(i) & 0xff - - self.push(buffer) - } else { - self.push(newData, self._charset) - } - self._pos = response.length - } - break - case 'arraybuffer': - if (xhr.readyState !== rStates.DONE || !xhr.response) - break - response = xhr.response - self.push(Buffer.from(new Uint8Array(response))) - break - case 'moz-chunked-arraybuffer': // take whole - response = xhr.response - if (xhr.readyState !== rStates.LOADING || !response) - break - self.push(Buffer.from(new Uint8Array(response))) - break - case 'ms-stream': - response = xhr.response - if (xhr.readyState !== rStates.LOADING) - break - var reader = new global.MSStreamReader() - reader.onprogress = function () { - if (reader.result.byteLength > self._pos) { - self.push(Buffer.from(new Uint8Array(reader.result.slice(self._pos)))) - self._pos = reader.result.byteLength - } - } - reader.onload = function () { - resetTimers(true) - self.push(null) - } - // reader.onerror = ??? 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MIT License. Feross Aboukhadijeh */ -module.exports = getBlobURL - -const getBlob = require('stream-to-blob') - -async function getBlobURL (stream, mimeType) { - const blob = await getBlob(stream, mimeType) - const url = URL.createObjectURL(blob) - return url -} - -},{"stream-to-blob":444}],444:[function(require,module,exports){ -/*! stream-to-blob. MIT License. Feross Aboukhadijeh */ -/* global Blob */ - -module.exports = streamToBlob - -function streamToBlob (stream, mimeType) { - if (mimeType != null && typeof mimeType !== 'string') { - throw new Error('Invalid mimetype, expected string.') - } - return new Promise((resolve, reject) => { - const chunks = [] - stream - .on('data', chunk => chunks.push(chunk)) - .once('end', () => { - const blob = mimeType != null - ? new Blob(chunks, { type: mimeType }) - : new Blob(chunks) - resolve(blob) - }) - .once('error', reject) - }) -} - -},{}],445:[function(require,module,exports){ -(function (Buffer){(function (){ -/*! stream-with-known-length-to-buffer. MIT License. Feross Aboukhadijeh */ -var once = require('once') - -module.exports = function getBuffer (stream, length, cb) { - cb = once(cb) - var buf = Buffer.alloc(length) - var offset = 0 - stream - .on('data', function (chunk) { - chunk.copy(buf, offset) - offset += chunk.length - }) - .on('end', function () { cb(null, buf) }) - .on('error', cb) -} - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110,"once":294}],446:[function(require,module,exports){ -const { EventEmitter } = require('events') -const STREAM_DESTROYED = new Error('Stream was destroyed') -const PREMATURE_CLOSE = new Error('Premature close') - -const queueTick = require('queue-tick') -const FIFO = require('fast-fifo') - -/* eslint-disable no-multi-spaces */ - -// 27 bits used total (4 from shared, 13 from read, and 10 from write) -const MAX = ((1 << 27) - 1) - -// Shared state -const OPENING = 0b0001 -const PREDESTROYING = 0b0010 -const DESTROYING = 0b0100 -const DESTROYED = 0b1000 - -const NOT_OPENING = MAX ^ OPENING -const NOT_PREDESTROYING = MAX ^ PREDESTROYING - -// Read state (4 bit offset from shared state) -const READ_ACTIVE = 0b0000000000001 << 4 -const READ_UPDATING = 0b0000000000010 << 4 -const READ_PRIMARY = 0b0000000000100 << 4 -const READ_QUEUED = 0b0000000001000 << 4 -const READ_RESUMED = 0b0000000010000 << 4 -const READ_PIPE_DRAINED = 0b0000000100000 << 4 -const READ_ENDING = 0b0000001000000 << 4 -const READ_EMIT_DATA = 0b0000010000000 << 4 -const READ_EMIT_READABLE = 0b0000100000000 << 4 -const READ_EMITTED_READABLE = 0b0001000000000 << 4 -const READ_DONE = 0b0010000000000 << 4 -const READ_NEXT_TICK = 0b0100000000000 << 4 -const READ_NEEDS_PUSH = 0b1000000000000 << 4 - -// Combined read state -const READ_FLOWING = READ_RESUMED | READ_PIPE_DRAINED -const READ_ACTIVE_AND_NEEDS_PUSH = READ_ACTIVE | READ_NEEDS_PUSH -const READ_PRIMARY_AND_ACTIVE = READ_PRIMARY | READ_ACTIVE -const READ_EMIT_READABLE_AND_QUEUED = READ_EMIT_READABLE | READ_QUEUED - -const READ_NOT_ACTIVE = MAX ^ READ_ACTIVE -const READ_NON_PRIMARY = MAX ^ READ_PRIMARY -const READ_NON_PRIMARY_AND_PUSHED = MAX ^ (READ_PRIMARY | READ_NEEDS_PUSH) -const READ_PUSHED = MAX ^ READ_NEEDS_PUSH -const READ_PAUSED = MAX ^ READ_RESUMED -const READ_NOT_QUEUED = MAX ^ (READ_QUEUED | READ_EMITTED_READABLE) -const READ_NOT_ENDING = MAX ^ READ_ENDING -const READ_PIPE_NOT_DRAINED = MAX ^ READ_FLOWING -const READ_NOT_NEXT_TICK = MAX ^ READ_NEXT_TICK -const READ_NOT_UPDATING = MAX ^ READ_UPDATING - -// Write state (17 bit offset, 4 bit offset from shared state and 13 from read state) -const WRITE_ACTIVE = 0b0000000001 << 17 -const WRITE_UPDATING = 0b0000000010 << 17 -const WRITE_PRIMARY = 0b0000000100 << 17 -const WRITE_QUEUED = 0b0000001000 << 17 -const WRITE_UNDRAINED = 0b0000010000 << 17 -const WRITE_DONE = 0b0000100000 << 17 -const WRITE_EMIT_DRAIN = 0b0001000000 << 17 -const WRITE_NEXT_TICK = 0b0010000000 << 17 -const WRITE_WRITING = 0b0100000000 << 17 -const WRITE_FINISHING = 0b1000000000 << 17 - -const WRITE_NOT_ACTIVE = MAX ^ (WRITE_ACTIVE | WRITE_WRITING) -const WRITE_NON_PRIMARY = MAX ^ WRITE_PRIMARY -const WRITE_NOT_FINISHING = MAX ^ WRITE_FINISHING -const WRITE_DRAINED = MAX ^ WRITE_UNDRAINED -const WRITE_NOT_QUEUED = MAX ^ WRITE_QUEUED -const WRITE_NOT_NEXT_TICK = MAX ^ WRITE_NEXT_TICK -const WRITE_NOT_UPDATING = MAX ^ WRITE_UPDATING - -// Combined shared state -const ACTIVE = READ_ACTIVE | WRITE_ACTIVE -const NOT_ACTIVE = MAX ^ ACTIVE -const DONE = READ_DONE | WRITE_DONE -const DESTROY_STATUS = DESTROYING | DESTROYED | PREDESTROYING -const OPEN_STATUS = DESTROY_STATUS | OPENING -const AUTO_DESTROY = DESTROY_STATUS | DONE -const NON_PRIMARY = WRITE_NON_PRIMARY & READ_NON_PRIMARY -const ACTIVE_OR_TICKING = WRITE_NEXT_TICK | READ_NEXT_TICK -const TICKING = ACTIVE_OR_TICKING & NOT_ACTIVE -const IS_OPENING = OPEN_STATUS | TICKING - -// Combined shared state and read state -const READ_PRIMARY_STATUS = OPEN_STATUS | READ_ENDING | READ_DONE -const READ_STATUS = OPEN_STATUS | READ_DONE | READ_QUEUED -const READ_ENDING_STATUS = OPEN_STATUS | READ_ENDING | READ_QUEUED -const READ_READABLE_STATUS = OPEN_STATUS | READ_EMIT_READABLE | READ_QUEUED | READ_EMITTED_READABLE -const SHOULD_NOT_READ = OPEN_STATUS | READ_ACTIVE | READ_ENDING | READ_DONE | READ_NEEDS_PUSH -const READ_BACKPRESSURE_STATUS = DESTROY_STATUS | READ_ENDING | READ_DONE -const READ_UPDATE_SYNC_STATUS = READ_UPDATING | OPEN_STATUS | READ_NEXT_TICK | READ_PRIMARY - -// Combined write state -const WRITE_PRIMARY_STATUS = OPEN_STATUS | WRITE_FINISHING | WRITE_DONE -const WRITE_QUEUED_AND_UNDRAINED = WRITE_QUEUED | WRITE_UNDRAINED -const WRITE_QUEUED_AND_ACTIVE = WRITE_QUEUED | WRITE_ACTIVE -const WRITE_DRAIN_STATUS = WRITE_QUEUED | WRITE_UNDRAINED | OPEN_STATUS | WRITE_ACTIVE -const WRITE_STATUS = OPEN_STATUS | WRITE_ACTIVE | WRITE_QUEUED -const WRITE_PRIMARY_AND_ACTIVE = WRITE_PRIMARY | WRITE_ACTIVE -const WRITE_ACTIVE_AND_WRITING = WRITE_ACTIVE | WRITE_WRITING -const WRITE_FINISHING_STATUS = OPEN_STATUS | WRITE_FINISHING | WRITE_QUEUED_AND_ACTIVE | WRITE_DONE -const WRITE_BACKPRESSURE_STATUS = WRITE_UNDRAINED | DESTROY_STATUS | WRITE_FINISHING | WRITE_DONE -const WRITE_UPDATE_SYNC_STATUS = WRITE_UPDATING | OPEN_STATUS | WRITE_NEXT_TICK | WRITE_PRIMARY - -const asyncIterator = Symbol.asyncIterator || Symbol('asyncIterator') - -class WritableState { - constructor (stream, { highWaterMark = 16384, map = null, mapWritable, byteLength, byteLengthWritable } = {}) { - this.stream = stream - this.queue = new FIFO() - this.highWaterMark = highWaterMark - this.buffered = 0 - this.error = null - this.pipeline = null - this.drains = null // if we add more seldomly used helpers we might them into a subobject so its a single ptr - this.byteLength = byteLengthWritable || byteLength || defaultByteLength - this.map = mapWritable || map - this.afterWrite = afterWrite.bind(this) - this.afterUpdateNextTick = updateWriteNT.bind(this) - } - - get ended () { - return (this.stream._duplexState & WRITE_DONE) !== 0 - } - - push (data) { - if (this.map !== null) data = this.map(data) - - this.buffered += this.byteLength(data) - this.queue.push(data) - - if (this.buffered < this.highWaterMark) { - this.stream._duplexState |= WRITE_QUEUED - return true - } - - this.stream._duplexState |= WRITE_QUEUED_AND_UNDRAINED - return false - } - - shift () { - const data = this.queue.shift() - - this.buffered -= this.byteLength(data) - if (this.buffered === 0) this.stream._duplexState &= WRITE_NOT_QUEUED - - return data - } - - end (data) { - if (typeof data === 'function') this.stream.once('finish', data) - else if (data !== undefined && data !== null) this.push(data) - this.stream._duplexState = (this.stream._duplexState | WRITE_FINISHING) & WRITE_NON_PRIMARY - } - - autoBatch (data, cb) { - const buffer = [] - const stream = this.stream - - buffer.push(data) - while ((stream._duplexState & WRITE_STATUS) === WRITE_QUEUED_AND_ACTIVE) { - buffer.push(stream._writableState.shift()) - } - - if ((stream._duplexState & OPEN_STATUS) !== 0) return cb(null) - stream._writev(buffer, cb) - } - - update () { - const stream = this.stream - - stream._duplexState |= WRITE_UPDATING - - do { - while ((stream._duplexState & WRITE_STATUS) === WRITE_QUEUED) { - const data = this.shift() - stream._duplexState |= WRITE_ACTIVE_AND_WRITING - stream._write(data, this.afterWrite) - } - - if ((stream._duplexState & WRITE_PRIMARY_AND_ACTIVE) === 0) this.updateNonPrimary() - } while (this.continueUpdate() === true) - - stream._duplexState &= WRITE_NOT_UPDATING - } - - updateNonPrimary () { - const stream = this.stream - - if ((stream._duplexState & WRITE_FINISHING_STATUS) === WRITE_FINISHING) { - stream._duplexState = (stream._duplexState | WRITE_ACTIVE) & WRITE_NOT_FINISHING - stream._final(afterFinal.bind(this)) - return - } - - if ((stream._duplexState & DESTROY_STATUS) === DESTROYING) { - if ((stream._duplexState & ACTIVE_OR_TICKING) === 0) { - stream._duplexState |= ACTIVE - stream._destroy(afterDestroy.bind(this)) - } - return - } - - if ((stream._duplexState & IS_OPENING) === OPENING) { - stream._duplexState = (stream._duplexState | ACTIVE) & NOT_OPENING - stream._open(afterOpen.bind(this)) - } - } - - continueUpdate () { - if ((this.stream._duplexState & WRITE_NEXT_TICK) === 0) return false - this.stream._duplexState &= WRITE_NOT_NEXT_TICK - return true - } - - updateCallback () { - if ((this.stream._duplexState & WRITE_UPDATE_SYNC_STATUS) === WRITE_PRIMARY) this.update() - else this.updateNextTick() - } - - updateNextTick () { - if ((this.stream._duplexState & WRITE_NEXT_TICK) !== 0) return - this.stream._duplexState |= WRITE_NEXT_TICK - if ((this.stream._duplexState & WRITE_UPDATING) === 0) queueTick(this.afterUpdateNextTick) - } -} - -class ReadableState { - constructor (stream, { highWaterMark = 16384, map = null, mapReadable, byteLength, byteLengthReadable } = {}) { - this.stream = stream - this.queue = new FIFO() - this.highWaterMark = highWaterMark - this.buffered = 0 - this.error = null - this.pipeline = null - this.byteLength = byteLengthReadable || byteLength || defaultByteLength - this.map = mapReadable || map - this.pipeTo = null - this.afterRead = afterRead.bind(this) - this.afterUpdateNextTick = updateReadNT.bind(this) - } - - get ended () { - return (this.stream._duplexState & READ_DONE) !== 0 - } - - pipe (pipeTo, cb) { - if (this.pipeTo !== null) throw new Error('Can only pipe to one destination') - if (typeof cb !== 'function') cb = null - - this.stream._duplexState |= READ_PIPE_DRAINED - this.pipeTo = pipeTo - this.pipeline = new Pipeline(this.stream, pipeTo, cb) - - if (cb) this.stream.on('error', noop) // We already error handle this so supress crashes - - if (isStreamx(pipeTo)) { - pipeTo._writableState.pipeline = this.pipeline - if (cb) pipeTo.on('error', noop) // We already error handle this so supress crashes - pipeTo.on('finish', this.pipeline.finished.bind(this.pipeline)) // TODO: just call finished from pipeTo itself - } else { - const onerror = this.pipeline.done.bind(this.pipeline, pipeTo) - const onclose = this.pipeline.done.bind(this.pipeline, pipeTo, null) // onclose has a weird bool arg - pipeTo.on('error', onerror) - pipeTo.on('close', onclose) - pipeTo.on('finish', this.pipeline.finished.bind(this.pipeline)) - } - - pipeTo.on('drain', afterDrain.bind(this)) - this.stream.emit('piping', pipeTo) - pipeTo.emit('pipe', this.stream) - } - - push (data) { - const stream = this.stream - - if (data === null) { - this.highWaterMark = 0 - stream._duplexState = (stream._duplexState | READ_ENDING) & READ_NON_PRIMARY_AND_PUSHED - return false - } - - if (this.map !== null) data = this.map(data) - this.buffered += this.byteLength(data) - this.queue.push(data) - - stream._duplexState = (stream._duplexState | READ_QUEUED) & READ_PUSHED - - return this.buffered < this.highWaterMark - } - - shift () { - const data = this.queue.shift() - - this.buffered -= this.byteLength(data) - if (this.buffered === 0) this.stream._duplexState &= READ_NOT_QUEUED - return data - } - - unshift (data) { - const pending = [this.map !== null ? this.map(data) : data] - while (this.buffered > 0) pending.push(this.shift()) - - for (let i = 0; i < pending.length - 1; i++) { - const data = pending[i] - this.buffered += this.byteLength(data) - this.queue.push(data) - } - - this.push(pending[pending.length - 1]) - } - - read () { - const stream = this.stream - - if ((stream._duplexState & READ_STATUS) === READ_QUEUED) { - const data = this.shift() - if (this.pipeTo !== null && this.pipeTo.write(data) === false) stream._duplexState &= READ_PIPE_NOT_DRAINED - if ((stream._duplexState & READ_EMIT_DATA) !== 0) stream.emit('data', data) - return data - } - - return null - } - - drain () { - const stream = this.stream - - while ((stream._duplexState & READ_STATUS) === READ_QUEUED && (stream._duplexState & READ_FLOWING) !== 0) { - const data = this.shift() - if (this.pipeTo !== null && this.pipeTo.write(data) === false) stream._duplexState &= READ_PIPE_NOT_DRAINED - if ((stream._duplexState & READ_EMIT_DATA) !== 0) stream.emit('data', data) - } - } - - update () { - const stream = this.stream - - stream._duplexState |= READ_UPDATING - - do { - this.drain() - - while (this.buffered < this.highWaterMark && (stream._duplexState & SHOULD_NOT_READ) === 0) { - stream._duplexState |= READ_ACTIVE_AND_NEEDS_PUSH - stream._read(this.afterRead) - this.drain() - } - - if ((stream._duplexState & READ_READABLE_STATUS) === READ_EMIT_READABLE_AND_QUEUED) { - stream._duplexState |= READ_EMITTED_READABLE - stream.emit('readable') - } - - if ((stream._duplexState & READ_PRIMARY_AND_ACTIVE) === 0) this.updateNonPrimary() - } while (this.continueUpdate() === true) - - stream._duplexState &= READ_NOT_UPDATING - } - - updateNonPrimary () { - const stream = this.stream - - if ((stream._duplexState & READ_ENDING_STATUS) === READ_ENDING) { - stream._duplexState = (stream._duplexState | READ_DONE) & READ_NOT_ENDING - stream.emit('end') - if ((stream._duplexState & AUTO_DESTROY) === DONE) stream._duplexState |= DESTROYING - if (this.pipeTo !== null) this.pipeTo.end() - } - - if ((stream._duplexState & DESTROY_STATUS) === DESTROYING) { - if ((stream._duplexState & ACTIVE_OR_TICKING) === 0) { - stream._duplexState |= ACTIVE - stream._destroy(afterDestroy.bind(this)) - } - return - } - - if ((stream._duplexState & IS_OPENING) === OPENING) { - stream._duplexState = (stream._duplexState | ACTIVE) & NOT_OPENING - stream._open(afterOpen.bind(this)) - } - } - - continueUpdate () { - if ((this.stream._duplexState & READ_NEXT_TICK) === 0) return false - this.stream._duplexState &= READ_NOT_NEXT_TICK - return true - } - - updateCallback () { - if ((this.stream._duplexState & READ_UPDATE_SYNC_STATUS) === READ_PRIMARY) this.update() - else this.updateNextTick() - } - - updateNextTick () { - if ((this.stream._duplexState & READ_NEXT_TICK) !== 0) return - this.stream._duplexState |= READ_NEXT_TICK - if ((this.stream._duplexState & READ_UPDATING) === 0) queueTick(this.afterUpdateNextTick) - } -} - -class TransformState { - constructor (stream) { - this.data = null - this.afterTransform = afterTransform.bind(stream) - this.afterFinal = null - } -} - -class Pipeline { - constructor (src, dst, cb) { - this.from = src - this.to = dst - this.afterPipe = cb - this.error = null - this.pipeToFinished = false - } - - finished () { - this.pipeToFinished = true - } - - done (stream, err) { - if (err) this.error = err - - if (stream === this.to) { - this.to = null - - if (this.from !== null) { - if ((this.from._duplexState & READ_DONE) === 0 || !this.pipeToFinished) { - this.from.destroy(this.error || new Error('Writable stream closed prematurely')) - } - return - } - } - - if (stream === this.from) { - this.from = null - - if (this.to !== null) { - if ((stream._duplexState & READ_DONE) === 0) { - this.to.destroy(this.error || new Error('Readable stream closed before ending')) - } - return - } - } - - if (this.afterPipe !== null) this.afterPipe(this.error) - this.to = this.from = this.afterPipe = null - } -} - -function afterDrain () { - this.stream._duplexState |= READ_PIPE_DRAINED - this.updateCallback() -} - -function afterFinal (err) { - const stream = this.stream - if (err) stream.destroy(err) - if ((stream._duplexState & DESTROY_STATUS) === 0) { - stream._duplexState |= WRITE_DONE - stream.emit('finish') - } - if ((stream._duplexState & AUTO_DESTROY) === DONE) { - stream._duplexState |= DESTROYING - } - - stream._duplexState &= WRITE_NOT_ACTIVE - - // no need to wait the extra tick here, so we short circuit that - if ((stream._duplexState & WRITE_UPDATING) === 0) this.update() - else this.updateNextTick() -} - -function afterDestroy (err) { - const stream = this.stream - - if (!err && this.error !== STREAM_DESTROYED) err = this.error - if (err) stream.emit('error', err) - stream._duplexState |= DESTROYED - stream.emit('close') - - const rs = stream._readableState - const ws = stream._writableState - - if (rs !== null && rs.pipeline !== null) rs.pipeline.done(stream, err) - - if (ws !== null) { - while (ws.drains !== null && ws.drains.length > 0) ws.drains.shift().resolve(false) - if (ws.pipeline !== null) ws.pipeline.done(stream, err) - } -} - -function afterWrite (err) { - const stream = this.stream - - if (err) stream.destroy(err) - stream._duplexState &= WRITE_NOT_ACTIVE - - if (this.drains !== null) tickDrains(this.drains) - - if ((stream._duplexState & WRITE_DRAIN_STATUS) === WRITE_UNDRAINED) { - stream._duplexState &= WRITE_DRAINED - if ((stream._duplexState & WRITE_EMIT_DRAIN) === WRITE_EMIT_DRAIN) { - stream.emit('drain') - } - } - - this.updateCallback() -} - -function afterRead (err) { - if (err) this.stream.destroy(err) - this.stream._duplexState &= READ_NOT_ACTIVE - this.updateCallback() -} - -function updateReadNT () { - if ((this.stream._duplexState & READ_UPDATING) === 0) { - this.stream._duplexState &= READ_NOT_NEXT_TICK - this.update() - } -} - -function updateWriteNT () { - if ((this.stream._duplexState & WRITE_UPDATING) === 0) { - this.stream._duplexState &= WRITE_NOT_NEXT_TICK - this.update() - } -} - -function tickDrains (drains) { - for (let i = 0; i < drains.length; i++) { - // drains.writes are monotonic, so if one is 0 its always the first one - if (--drains[i].writes === 0) { - drains.shift().resolve(true) - i-- - } - } -} - -function afterOpen (err) { - const stream = this.stream - - if (err) stream.destroy(err) - - if ((stream._duplexState & DESTROYING) === 0) { - if ((stream._duplexState & READ_PRIMARY_STATUS) === 0) stream._duplexState |= READ_PRIMARY - if ((stream._duplexState & WRITE_PRIMARY_STATUS) === 0) stream._duplexState |= WRITE_PRIMARY - stream.emit('open') - } - - stream._duplexState &= NOT_ACTIVE - - if (stream._writableState !== null) { - stream._writableState.updateCallback() - } - - if (stream._readableState !== null) { - stream._readableState.updateCallback() - } -} - -function afterTransform (err, data) { - if (data !== undefined && data !== null) this.push(data) - this._writableState.afterWrite(err) -} - -class Stream extends EventEmitter { - constructor (opts) { - super() - - this._duplexState = 0 - this._readableState = null - this._writableState = null - - if (opts) { - if (opts.open) this._open = opts.open - if (opts.destroy) this._destroy = opts.destroy - if (opts.predestroy) this._predestroy = opts.predestroy - if (opts.signal) { - opts.signal.addEventListener('abort', abort.bind(this)) - } - } - } - - _open (cb) { - cb(null) - } - - _destroy (cb) { - cb(null) - } - - _predestroy () { - // does nothing - } - - get readable () { - return this._readableState !== null ? true : undefined - } - - get writable () { - return this._writableState !== null ? true : undefined - } - - get destroyed () { - return (this._duplexState & DESTROYED) !== 0 - } - - get destroying () { - return (this._duplexState & DESTROY_STATUS) !== 0 - } - - destroy (err) { - if ((this._duplexState & DESTROY_STATUS) === 0) { - if (!err) err = STREAM_DESTROYED - this._duplexState = (this._duplexState | DESTROYING) & NON_PRIMARY - - if (this._readableState !== null) { - this._readableState.highWaterMark = 0 - this._readableState.error = err - } - if (this._writableState !== null) { - this._writableState.highWaterMark = 0 - this._writableState.error = err - } - - this._duplexState |= PREDESTROYING - this._predestroy() - this._duplexState &= NOT_PREDESTROYING - - if (this._readableState !== null) this._readableState.updateNextTick() - if (this._writableState !== null) this._writableState.updateNextTick() - } - } - - on (name, fn) { - if (this._readableState !== null) { - if (name === 'data') { - this._duplexState |= (READ_EMIT_DATA | READ_RESUMED) - this._readableState.updateNextTick() - } - if (name === 'readable') { - this._duplexState |= READ_EMIT_READABLE - this._readableState.updateNextTick() - } - } - - if (this._writableState !== null) { - if (name === 'drain') { - this._duplexState |= WRITE_EMIT_DRAIN - this._writableState.updateNextTick() - } - } - - return super.on(name, fn) - } -} - -class Readable extends Stream { - constructor (opts) { - super(opts) - - this._duplexState |= OPENING | WRITE_DONE - this._readableState = new ReadableState(this, opts) - - if (opts) { - if (opts.read) this._read = opts.read - if (opts.eagerOpen) this._readableState.updateNextTick() - } - } - - _read (cb) { - cb(null) - } - - pipe (dest, cb) { - this._readableState.updateNextTick() - this._readableState.pipe(dest, cb) - return dest - } - - read () { - this._readableState.updateNextTick() - return this._readableState.read() - } - - push (data) { - this._readableState.updateNextTick() - return this._readableState.push(data) - } - - unshift (data) { - this._readableState.updateNextTick() - return this._readableState.unshift(data) - } - - resume () { - this._duplexState |= READ_RESUMED - this._readableState.updateNextTick() - return this - } - - pause () { - this._duplexState &= READ_PAUSED - return this - } - - static _fromAsyncIterator (ite, opts) { - let destroy - - const rs = new Readable({ - ...opts, - read (cb) { - ite.next().then(push).then(cb.bind(null, null)).catch(cb) - }, - predestroy () { - destroy = ite.return() - }, - destroy (cb) { - if (!destroy) return cb(null) - destroy.then(cb.bind(null, null)).catch(cb) - } - }) - - return rs - - function push (data) { - if (data.done) rs.push(null) - else rs.push(data.value) - } - } - - static from (data, opts) { - if (isReadStreamx(data)) return data - if (data[asyncIterator]) return this._fromAsyncIterator(data[asyncIterator](), opts) - if (!Array.isArray(data)) data = data === undefined ? [] : [data] - - let i = 0 - return new Readable({ - ...opts, - read (cb) { - this.push(i === data.length ? null : data[i++]) - cb(null) - } - }) - } - - static isBackpressured (rs) { - return (rs._duplexState & READ_BACKPRESSURE_STATUS) !== 0 || rs._readableState.buffered >= rs._readableState.highWaterMark - } - - static isPaused (rs) { - return (rs._duplexState & READ_RESUMED) === 0 - } - - [asyncIterator] () { - const stream = this - - let error = null - let promiseResolve = null - let promiseReject = null - - this.on('error', (err) => { error = err }) - this.on('readable', onreadable) - this.on('close', onclose) - - return { - [asyncIterator] () { - return this - }, - next () { - return new Promise(function (resolve, reject) { - promiseResolve = resolve - promiseReject = reject - const data = stream.read() - if (data !== null) ondata(data) - else if ((stream._duplexState & DESTROYED) !== 0) ondata(null) - }) - }, - return () { - return destroy(null) - }, - throw (err) { - return destroy(err) - } - } - - function onreadable () { - if (promiseResolve !== null) ondata(stream.read()) - } - - function onclose () { - if (promiseResolve !== null) ondata(null) - } - - function ondata (data) { - if (promiseReject === null) return - if (error) promiseReject(error) - else if (data === null && (stream._duplexState & READ_DONE) === 0) promiseReject(STREAM_DESTROYED) - else promiseResolve({ value: data, done: data === null }) - promiseReject = promiseResolve = null - } - - function destroy (err) { - stream.destroy(err) - return new Promise((resolve, reject) => { - if (stream._duplexState & DESTROYED) return resolve({ value: undefined, done: true }) - stream.once('close', function () { - if (err) reject(err) - else resolve({ value: undefined, done: true }) - }) - }) - } - } -} - -class Writable extends Stream { - constructor (opts) { - super(opts) - - this._duplexState |= OPENING | READ_DONE - this._writableState = new WritableState(this, opts) - - if (opts) { - if (opts.writev) this._writev = opts.writev - if (opts.write) this._write = opts.write - if (opts.final) this._final = opts.final - if (opts.eagerOpen) this._writableState.updateNextTick() - } - } - - _writev (batch, cb) { - cb(null) - } - - _write (data, cb) { - this._writableState.autoBatch(data, cb) - } - - _final (cb) { - cb(null) - } - - static isBackpressured (ws) { - return (ws._duplexState & WRITE_BACKPRESSURE_STATUS) !== 0 - } - - static drained (ws) { - if (ws.destroyed) return Promise.resolve(false) - const state = ws._writableState - const pending = (isWritev(ws) ? Math.min(1, state.queue.length) : state.queue.length) - const writes = pending + ((ws._duplexState & WRITE_WRITING) ? 1 : 0) - if (writes === 0) return Promise.resolve(true) - if (state.drains === null) state.drains = [] - return new Promise((resolve) => { - state.drains.push({ writes, resolve }) - }) - } - - write (data) { - this._writableState.updateNextTick() - return this._writableState.push(data) - } - - end (data) { - this._writableState.updateNextTick() - this._writableState.end(data) - return this - } -} - -class Duplex extends Readable { // and Writable - constructor (opts) { - super(opts) - - this._duplexState = OPENING - this._writableState = new WritableState(this, opts) - - if (opts) { - if (opts.writev) this._writev = opts.writev - if (opts.write) this._write = opts.write - if (opts.final) this._final = opts.final - } - } - - _writev (batch, cb) { - cb(null) - } - - _write (data, cb) { - this._writableState.autoBatch(data, cb) - } - - _final (cb) { - cb(null) - } - - write (data) { - this._writableState.updateNextTick() - return this._writableState.push(data) - } - - end (data) { - this._writableState.updateNextTick() - this._writableState.end(data) - return this - } -} - -class Transform extends Duplex { - constructor (opts) { - super(opts) - this._transformState = new TransformState(this) - - if (opts) { - if (opts.transform) this._transform = opts.transform - if (opts.flush) this._flush = opts.flush - } - } - - _write (data, cb) { - if (this._readableState.buffered >= this._readableState.highWaterMark) { - this._transformState.data = data - } else { - this._transform(data, this._transformState.afterTransform) - } - } - - _read (cb) { - if (this._transformState.data !== null) { - const data = this._transformState.data - this._transformState.data = null - cb(null) - this._transform(data, this._transformState.afterTransform) - } else { - cb(null) - } - } - - destroy (err) { - super.destroy(err) - if (this._transformState.data !== null) { - this._transformState.data = null - this._transformState.afterTransform() - } - } - - _transform (data, cb) { - cb(null, data) - } - - _flush (cb) { - cb(null) - } - - _final (cb) { - this._transformState.afterFinal = cb - this._flush(transformAfterFlush.bind(this)) - } -} - -class PassThrough extends Transform {} - -function transformAfterFlush (err, data) { - const cb = this._transformState.afterFinal - if (err) return cb(err) - if (data !== null && data !== undefined) this.push(data) - this.push(null) - cb(null) -} - -function pipelinePromise (...streams) { - return new Promise((resolve, reject) => { - return pipeline(...streams, (err) => { - if (err) return reject(err) - resolve() - }) - }) -} - -function pipeline (stream, ...streams) { - const all = Array.isArray(stream) ? [...stream, ...streams] : [stream, ...streams] - const done = (all.length && typeof all[all.length - 1] === 'function') ? all.pop() : null - - if (all.length < 2) throw new Error('Pipeline requires at least 2 streams') - - let src = all[0] - let dest = null - let error = null - - for (let i = 1; i < all.length; i++) { - dest = all[i] - - if (isStreamx(src)) { - src.pipe(dest, onerror) - } else { - errorHandle(src, true, i > 1, onerror) - src.pipe(dest) - } - - src = dest - } - - if (done) { - let fin = false - - const autoDestroy = isStreamx(dest) || !!(dest._writableState && dest._writableState.autoDestroy) - - dest.on('error', (err) => { - if (error === null) error = err - }) - - dest.on('finish', () => { - fin = true - if (!autoDestroy) done(error) - }) - - if (autoDestroy) { - dest.on('close', () => done(error || (fin ? null : PREMATURE_CLOSE))) - } - } - - return dest - - function errorHandle (s, rd, wr, onerror) { - s.on('error', onerror) - s.on('close', onclose) - - function onclose () { - if (rd && s._readableState && !s._readableState.ended) return onerror(PREMATURE_CLOSE) - if (wr && s._writableState && !s._writableState.ended) return onerror(PREMATURE_CLOSE) - } - } - - function onerror (err) { - if (!err || error) return - error = err - - for (const s of all) { - s.destroy(err) - } - } -} - -function isStream (stream) { - return !!stream._readableState || !!stream._writableState -} - -function isStreamx (stream) { - return typeof stream._duplexState === 'number' && isStream(stream) -} - -function getStreamError (stream) { - const err = (stream._readableState && stream._readableState.error) || (stream._writableState && stream._writableState.error) - return err === STREAM_DESTROYED ? null : err // only explicit errors -} - -function isReadStreamx (stream) { - return isStreamx(stream) && stream.readable -} - -function isTypedArray (data) { - return typeof data === 'object' && data !== null && typeof data.byteLength === 'number' -} - -function defaultByteLength (data) { - return isTypedArray(data) ? data.byteLength : 1024 -} - -function noop () {} - -function abort () { - this.destroy(new Error('Stream aborted.')) -} - -function isWritev (s) { - return s._writev !== Writable.prototype._writev && s._writev !== Duplex.prototype._writev -} - -module.exports = { - pipeline, - pipelinePromise, - isStream, - isStreamx, - getStreamError, - Stream, - Writable, - Readable, - Duplex, - Transform, - // Export PassThrough for compatibility with Node.js core's stream module - PassThrough -} - -},{"events":181,"fast-fifo":185,"queue-tick":328}],447:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -'use strict'; - -/**/ - -var Buffer = require('safe-buffer').Buffer; -/**/ - -var isEncoding = Buffer.isEncoding || function (encoding) { - encoding = '' + encoding; - switch (encoding && encoding.toLowerCase()) { - case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw': - return true; - default: - return false; - } -}; - -function _normalizeEncoding(enc) { - if (!enc) return 'utf8'; - var retried; - while (true) { - switch (enc) { - case 'utf8': - case 'utf-8': - return 'utf8'; - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return 'utf16le'; - case 'latin1': - case 'binary': - return 'latin1'; - case 'base64': - case 'ascii': - case 'hex': - return enc; - default: - if (retried) return; // undefined - enc = ('' + enc).toLowerCase(); - retried = true; - } - } -}; - -// Do not cache `Buffer.isEncoding` when checking encoding names as some -// modules monkey-patch it to support additional encodings -function normalizeEncoding(enc) { - var nenc = _normalizeEncoding(enc); - if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc); - return nenc || enc; -} - -// StringDecoder provides an interface for efficiently splitting a series of -// buffers into a series of JS strings without breaking apart multi-byte -// characters. -exports.StringDecoder = StringDecoder; -function StringDecoder(encoding) { - this.encoding = normalizeEncoding(encoding); - var nb; - switch (this.encoding) { - case 'utf16le': - this.text = utf16Text; - this.end = utf16End; - nb = 4; - break; - case 'utf8': - this.fillLast = utf8FillLast; - nb = 4; - break; - case 'base64': - this.text = base64Text; - this.end = base64End; - nb = 3; - break; - default: - this.write = simpleWrite; - this.end = simpleEnd; - return; - } - this.lastNeed = 0; - this.lastTotal = 0; - this.lastChar = Buffer.allocUnsafe(nb); -} - -StringDecoder.prototype.write = function (buf) { - if (buf.length === 0) return ''; - var r; - var i; - if (this.lastNeed) { - r = this.fillLast(buf); - if (r === undefined) return ''; - i = this.lastNeed; - this.lastNeed = 0; - } else { - i = 0; - } - if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i); - return r || ''; -}; - -StringDecoder.prototype.end = utf8End; - -// Returns only complete characters in a Buffer -StringDecoder.prototype.text = utf8Text; - -// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer -StringDecoder.prototype.fillLast = function (buf) { - if (this.lastNeed <= buf.length) { - buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed); - return this.lastChar.toString(this.encoding, 0, this.lastTotal); - } - buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length); - this.lastNeed -= buf.length; -}; - -// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a -// continuation byte. If an invalid byte is detected, -2 is returned. -function utf8CheckByte(byte) { - if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4; - return byte >> 6 === 0x02 ? -1 : -2; -} - -// Checks at most 3 bytes at the end of a Buffer in order to detect an -// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4) -// needed to complete the UTF-8 character (if applicable) are returned. -function utf8CheckIncomplete(self, buf, i) { - var j = buf.length - 1; - if (j < i) return 0; - var nb = utf8CheckByte(buf[j]); - if (nb >= 0) { - if (nb > 0) self.lastNeed = nb - 1; - return nb; - } - if (--j < i || nb === -2) return 0; - nb = utf8CheckByte(buf[j]); - if (nb >= 0) { - if (nb > 0) self.lastNeed = nb - 2; - return nb; - } - if (--j < i || nb === -2) return 0; - nb = utf8CheckByte(buf[j]); - if (nb >= 0) { - if (nb > 0) { - if (nb === 2) nb = 0;else self.lastNeed = nb - 3; - } - return nb; - } - return 0; -} - -// Validates as many continuation bytes for a multi-byte UTF-8 character as -// needed or are available. If we see a non-continuation byte where we expect -// one, we "replace" the validated continuation bytes we've seen so far with -// a single UTF-8 replacement character ('\ufffd'), to match v8's UTF-8 decoding -// behavior. The continuation byte check is included three times in the case -// where all of the continuation bytes for a character exist in the same buffer. -// It is also done this way as a slight performance increase instead of using a -// loop. -function utf8CheckExtraBytes(self, buf, p) { - if ((buf[0] & 0xC0) !== 0x80) { - self.lastNeed = 0; - return '\ufffd'; - } - if (self.lastNeed > 1 && buf.length > 1) { - if ((buf[1] & 0xC0) !== 0x80) { - self.lastNeed = 1; - return '\ufffd'; - } - if (self.lastNeed > 2 && buf.length > 2) { - if ((buf[2] & 0xC0) !== 0x80) { - self.lastNeed = 2; - return '\ufffd'; - } - } - } -} - -// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer. -function utf8FillLast(buf) { - var p = this.lastTotal - this.lastNeed; - var r = utf8CheckExtraBytes(this, buf, p); - if (r !== undefined) return r; - if (this.lastNeed <= buf.length) { - buf.copy(this.lastChar, p, 0, this.lastNeed); - return this.lastChar.toString(this.encoding, 0, this.lastTotal); - } - buf.copy(this.lastChar, p, 0, buf.length); - this.lastNeed -= buf.length; -} - -// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a -// partial character, the character's bytes are buffered until the required -// number of bytes are available. -function utf8Text(buf, i) { - var total = utf8CheckIncomplete(this, buf, i); - if (!this.lastNeed) return buf.toString('utf8', i); - this.lastTotal = total; - var end = buf.length - (total - this.lastNeed); - buf.copy(this.lastChar, 0, end); - return buf.toString('utf8', i, end); -} - -// For UTF-8, a replacement character is added when ending on a partial -// character. -function utf8End(buf) { - var r = buf && buf.length ? this.write(buf) : ''; - if (this.lastNeed) return r + '\ufffd'; - return r; -} - -// UTF-16LE typically needs two bytes per character, but even if we have an even -// number of bytes available, we need to check if we end on a leading/high -// surrogate. In that case, we need to wait for the next two bytes in order to -// decode the last character properly. -function utf16Text(buf, i) { - if ((buf.length - i) % 2 === 0) { - var r = buf.toString('utf16le', i); - if (r) { - var c = r.charCodeAt(r.length - 1); - if (c >= 0xD800 && c <= 0xDBFF) { - this.lastNeed = 2; - this.lastTotal = 4; - this.lastChar[0] = buf[buf.length - 2]; - this.lastChar[1] = buf[buf.length - 1]; - return r.slice(0, -1); - } - } - return r; - } - this.lastNeed = 1; - this.lastTotal = 2; - this.lastChar[0] = buf[buf.length - 1]; - return buf.toString('utf16le', i, buf.length - 1); -} - -// For UTF-16LE we do not explicitly append special replacement characters if we -// end on a partial character, we simply let v8 handle that. -function utf16End(buf) { - var r = buf && buf.length ? this.write(buf) : ''; - if (this.lastNeed) { - var end = this.lastTotal - this.lastNeed; - return r + this.lastChar.toString('utf16le', 0, end); - } - return r; -} - -function base64Text(buf, i) { - var n = (buf.length - i) % 3; - if (n === 0) return buf.toString('base64', i); - this.lastNeed = 3 - n; - this.lastTotal = 3; - if (n === 1) { - this.lastChar[0] = buf[buf.length - 1]; - } else { - this.lastChar[0] = buf[buf.length - 2]; - this.lastChar[1] = buf[buf.length - 1]; - } - return buf.toString('base64', i, buf.length - n); -} - -function base64End(buf) { - var r = buf && buf.length ? this.write(buf) : ''; - if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed); - return r; -} - -// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex) -function simpleWrite(buf) { - return buf.toString(this.encoding); -} - -function simpleEnd(buf) { - return buf && buf.length ? this.write(buf) : ''; -} -},{"safe-buffer":356}],448:[function(require,module,exports){ -/* -Copyright (c) 2011, Chris Umbel - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. -*/ - -var base32 = require('./thirty-two'); - -exports.encode = base32.encode; -exports.decode = base32.decode; - -},{"./thirty-two":449}],449:[function(require,module,exports){ -(function (Buffer){(function (){ -/* -Copyright (c) 2011, Chris Umbel - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. -*/ -'use strict'; - -var charTable = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"; -var byteTable = [ - 0xff, 0xff, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, - 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, - 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, - 0x17, 0x18, 0x19, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, - 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, - 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, - 0x17, 0x18, 0x19, 0xff, 0xff, 0xff, 0xff, 0xff -]; - -function quintetCount(buff) { - var quintets = Math.floor(buff.length / 5); - return buff.length % 5 === 0 ? quintets: quintets + 1; -} - -exports.encode = function(plain) { - if(!Buffer.isBuffer(plain)){ - plain = new Buffer(plain); - } - var i = 0; - var j = 0; - var shiftIndex = 0; - var digit = 0; - var encoded = new Buffer(quintetCount(plain) * 8); - - /* byte by byte isn't as pretty as quintet by quintet but tests a bit - faster. will have to revisit. */ - while(i < plain.length) { - var current = plain[i]; - - if(shiftIndex > 3) { - digit = current & (0xff >> shiftIndex); - shiftIndex = (shiftIndex + 5) % 8; - digit = (digit << shiftIndex) | ((i + 1 < plain.length) ? - plain[i + 1] : 0) >> (8 - shiftIndex); - i++; - } else { - digit = (current >> (8 - (shiftIndex + 5))) & 0x1f; - shiftIndex = (shiftIndex + 5) % 8; - if(shiftIndex === 0) i++; - } - - encoded[j] = charTable.charCodeAt(digit); - j++; - } - - for(i = j; i < encoded.length; i++) { - encoded[i] = 0x3d; //'='.charCodeAt(0) - } - - return encoded; -}; - -exports.decode = function(encoded) { - var shiftIndex = 0; - var plainDigit = 0; - var plainChar; - var plainPos = 0; - if(!Buffer.isBuffer(encoded)){ - encoded = new Buffer(encoded); - } - var decoded = new Buffer(Math.ceil(encoded.length * 5 / 8)); - - /* byte by byte isn't as pretty as octet by octet but tests a bit - faster. will have to revisit. */ - for(var i = 0; i < encoded.length; i++) { - if(encoded[i] === 0x3d){ //'=' - break; - } - - var encodedByte = encoded[i] - 0x30; - - if(encodedByte < byteTable.length) { - plainDigit = byteTable[encodedByte]; - - if(shiftIndex <= 3) { - shiftIndex = (shiftIndex + 5) % 8; - - if(shiftIndex === 0) { - plainChar |= plainDigit; - decoded[plainPos] = plainChar; - plainPos++; - plainChar = 0; - } else { - plainChar |= 0xff & (plainDigit << (8 - shiftIndex)); - } - } else { - shiftIndex = (shiftIndex + 5) % 8; - plainChar |= 0xff & (plainDigit >>> shiftIndex); - decoded[plainPos] = plainChar; - plainPos++; - - plainChar = 0xff & (plainDigit << (8 - shiftIndex)); - } - } else { - throw new Error('Invalid input - it is not base32 encoded string'); - } - } - - return decoded.slice(0, plainPos); -}; - -}).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":110}],450:[function(require,module,exports){ -const maxTick = 65535 -const resolution = 10 -const timeDiff = 1000 / resolution -function getTick (start) { - return (+Date.now() - start) / timeDiff & 65535 -} - -module.exports = function (seconds) { - const start = +Date.now() - - const size = resolution * (seconds || 5) - const buffer = [0] - let pointer = 1 - let last = (getTick(start) - 1) & maxTick - - return function (delta) { - const tick = getTick(start) - let dist = (tick - last) & maxTick - if (dist > size) dist = size - last = tick - - while (dist--) { - if (pointer === size) pointer = 0 - buffer[pointer] = buffer[pointer === 0 ? size - 1 : pointer - 1] - pointer++ - } - - if (delta) buffer[pointer - 1] += delta - - const top = buffer[pointer - 1] - const btm = buffer.length < size ? 0 : buffer[pointer === size ? 0 : pointer] - - return buffer.length < resolution ? top : (top - btm) * resolution / buffer.length - } -} - -},{}],451:[function(require,module,exports){ -(function (process){(function (){ -/**! -* tippy.js v6.3.7 -* (c) 2017-2021 atomiks -* MIT License -*/ -'use strict'; - -Object.defineProperty(exports, '__esModule', { value: true }); - -var core = require('@popperjs/core'); - -var ROUND_ARROW = ''; -var BOX_CLASS = "tippy-box"; -var CONTENT_CLASS = "tippy-content"; -var BACKDROP_CLASS = "tippy-backdrop"; -var ARROW_CLASS = "tippy-arrow"; -var SVG_ARROW_CLASS = "tippy-svg-arrow"; -var TOUCH_OPTIONS = { - passive: true, - capture: true -}; -var TIPPY_DEFAULT_APPEND_TO = function TIPPY_DEFAULT_APPEND_TO() { - return document.body; -}; - -function hasOwnProperty(obj, key) { - return {}.hasOwnProperty.call(obj, key); -} -function getValueAtIndexOrReturn(value, index, defaultValue) { - if (Array.isArray(value)) { - var v = value[index]; - return v == null ? Array.isArray(defaultValue) ? defaultValue[index] : defaultValue : v; - } - - return value; -} -function isType(value, type) { - var str = {}.toString.call(value); - return str.indexOf('[object') === 0 && str.indexOf(type + "]") > -1; -} -function invokeWithArgsOrReturn(value, args) { - return typeof value === 'function' ? value.apply(void 0, args) : value; -} -function debounce(fn, ms) { - // Avoid wrapping in `setTimeout` if ms is 0 anyway - if (ms === 0) { - return fn; - } - - var timeout; - return function (arg) { - clearTimeout(timeout); - timeout = setTimeout(function () { - fn(arg); - }, ms); - }; -} -function removeProperties(obj, keys) { - var clone = Object.assign({}, obj); - keys.forEach(function (key) { - delete clone[key]; - }); - return clone; -} -function splitBySpaces(value) { - return value.split(/\s+/).filter(Boolean); -} -function normalizeToArray(value) { - return [].concat(value); -} -function pushIfUnique(arr, value) { - if (arr.indexOf(value) === -1) { - arr.push(value); - } -} -function unique(arr) { - return arr.filter(function (item, index) { - return arr.indexOf(item) === index; - }); -} -function getBasePlacement(placement) { - return placement.split('-')[0]; -} -function arrayFrom(value) { - return [].slice.call(value); -} -function removeUndefinedProps(obj) { - return Object.keys(obj).reduce(function (acc, key) { - if (obj[key] !== undefined) { - acc[key] = obj[key]; - } - - return acc; - }, {}); -} - -function div() { - return document.createElement('div'); -} -function isElement(value) { - return ['Element', 'Fragment'].some(function (type) { - return isType(value, type); - }); -} -function isNodeList(value) { - return isType(value, 'NodeList'); -} -function isMouseEvent(value) { - return isType(value, 'MouseEvent'); -} -function isReferenceElement(value) { - return !!(value && value._tippy && value._tippy.reference === value); -} -function getArrayOfElements(value) { - if (isElement(value)) { - return [value]; - } - - if (isNodeList(value)) { - return arrayFrom(value); - } - - if (Array.isArray(value)) { - return value; - } - - return arrayFrom(document.querySelectorAll(value)); -} -function setTransitionDuration(els, value) { - els.forEach(function (el) { - if (el) { - el.style.transitionDuration = value + "ms"; - } - }); -} -function setVisibilityState(els, state) { - els.forEach(function (el) { - if (el) { - el.setAttribute('data-state', state); - } - }); -} -function getOwnerDocument(elementOrElements) { - var _element$ownerDocumen; - - var _normalizeToArray = normalizeToArray(elementOrElements), - element = _normalizeToArray[0]; // Elements created via a