ENH Tidy up permissions

babel.config.json

@@ -0,0 +1,6 @@
+{
+  "presets": [
+    "@babel/preset-env",
+    "@babel/preset-react"
+  ]
+}

client/lang/src/en.json

@@ -7,5 +7,6 @@
     "LinkField.LINK_DRAFT_TITLE": "Link has draft changes",
     "LinkField.LINK_DRAFT_LABEL": "Draft",
     "LinkField.LINK_MODIFIED_TITLE": "Link has unpublished changes",
-    "LinkField.LINK_MODIFIED_LABEL": "Modified"
+    "LinkField.LINK_MODIFIED_LABEL": "Modified",
+    "LinkField.CANNOT_CREATE_LINK": "Cannot create link"
 }

client/src/components/LinkField/LinkField.js

@@ -24,7 +24,7 @@ const section = 'SilverStripe\\LinkField\\Controllers\\LinkFieldController';
  * actions - object of redux actions
  * isMulti - whether this field handles multiple links or not
  */
-const LinkField = ({ value = null, onChange, types, actions, isMulti = false  }) => {
+const LinkField = ({ value = null, onChange, types, actions, isMulti = false, canCreate }) => {
   const [data, setData] = useState({});
   const [editingID, setEditingID] = useState(0);
 
@@ -145,6 +145,7 @@ const LinkField = ({ value = null, onChange, types, actions, isMulti = false  })
         typeTitle={type.title || ''}
         onClear={onClear}
         onClick={() => { setEditingID(linkID); }}
+        canDelete={data[linkID]?.canDelete ? true : false}
       />);
     }
     return links;
@@ -154,7 +155,7 @@ const LinkField = ({ value = null, onChange, types, actions, isMulti = false  })
   const renderModal = Boolean(editingID);
 
   return <>
-    { renderPicker && <LinkPicker onModalSuccess={onModalSuccess} onModalClosed={onModalClosed} types={types} /> }
+    { renderPicker && <LinkPicker canCreate={canCreate} onModalSuccess={onModalSuccess} onModalClosed={onModalClosed} types={types} /> }
     <div> { renderLinks() } </div>
     { renderModal && <LinkModalContainer
         types={types}
@@ -171,9 +172,10 @@ const LinkField = ({ value = null, onChange, types, actions, isMulti = false  })
 LinkField.propTypes = {
   value: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.number), PropTypes.number]),
   onChange: PropTypes.func.isRequired,
-  types: PropTypes.objectOf(LinkType).isRequired,
+  types: PropTypes.array.isRequired,
   actions: PropTypes.object.isRequired,
   isMulti: PropTypes.bool,
+  canCreate: PropTypes.bool.isRequired,
 };
 
 // redux actions loaded into props - used to get toast notifications

client/src/components/LinkPicker/LinkPicker.js

@@ -1,4 +1,5 @@
 /* eslint-disable */
+import i18n from 'i18n';
 import React, { useState } from 'react';
 import PropTypes from 'prop-types';
 import classnames from 'classnames';
@@ -9,7 +10,7 @@ import LinkModalContainer from 'containers/LinkModalContainer';
 /**
  * Component which allows users to choose a type of link to create, and opens a modal form for it.
  */
-const LinkPicker = ({ types, onModalSuccess, onModalClosed }) => {
+const LinkPicker = ({ types, onModalSuccess, onModalClosed, canCreate }) => {
   const [typeKey, setTypeKey] = useState('');
 
   /**
@@ -41,6 +42,16 @@ const LinkPicker = ({ types, onModalSuccess, onModalClosed }) => {
   const className = classnames('link-picker', 'form-control');
   const typeArray = Object.values(types);
 
+  if (!canCreate) {
+    return (
+      <div className={className}>
+        <div className="link-picker__cannot-create">
+          {i18n._t('LinkField.CANNOT_CREATE_LINK', 'Cannot create link')}
+        </div>
+      </div>
+    );
+  }
+
   return (
     <div className={className}>
       <LinkPickerMenu types={typeArray} onSelect={handleSelect} />
@@ -57,9 +68,10 @@ const LinkPicker = ({ types, onModalSuccess, onModalClosed }) => {
 };
 
 LinkPicker.propTypes = {
-  types: PropTypes.objectOf(LinkType).isRequired,
+  types: PropTypes.array.isRequired,
   onModalSuccess: PropTypes.func.isRequired,
   onModalClosed: PropTypes.func,
+  canCreate: PropTypes.bool.isRequired
 };
 
 export {LinkPicker as Component};

client/src/components/LinkPicker/LinkPicker.scss

@@ -24,6 +24,12 @@
   }
 }
 
+.link-picker__cannot-create {
+  cursor: default;
+  flex-grow: 1;
+  padding: 16px 13px;
+}
+
 .link-picker__menu {
   flex-grow: 1;
 }

client/src/components/LinkPicker/LinkPickerMenu.js

@@ -8,26 +8,25 @@ import LinkType from 'types/LinkType';
 const LinkPickerMenu = ({ types, onSelect }) => {
   const [isOpen, setIsOpen] = useState(false);
   const toggle = () => setIsOpen(prevState => !prevState);
-
-  return (
-    <Dropdown
-      isOpen={isOpen}
-      toggle={toggle}
-      className="link-picker__menu"
-    >
-      <DropdownToggle className="link-picker__menu-toggle font-icon-plus-1" caret>{i18n._t('LinkField.ADD_LINK', 'Add Link')}</DropdownToggle>
+  return <Dropdown
+    isOpen={isOpen}
+    toggle={toggle}
+    className="link-picker__menu"
+  >
+      <DropdownToggle className="link-picker__menu-toggle font-icon-plus-1" caret>
+        {i18n._t('LinkField.ADD_LINK', 'Add Link')}
+      </DropdownToggle>
       <DropdownMenu>
         {types.map(({key, title}) =>
             <DropdownItem key={key} onClick={() => onSelect(key)}>{title}</DropdownItem>
         )}
       </DropdownMenu>
   </Dropdown>
-  );
 };
 
 LinkPickerMenu.propTypes = {
   types: PropTypes.arrayOf(LinkType).isRequired,
-  onSelect: PropTypes.func.isRequired
+  onSelect: PropTypes.func.isRequired,
 };
 
 export default LinkPickerMenu;

client/src/components/LinkPicker/LinkPickerTitle.js

@@ -29,7 +29,16 @@ const getVersionedBadge = (versionState) => {
   return <span className={className} title={title}>{label}</span>;
 };
 
-const LinkPickerTitle = ({ id, title, description, versionState, typeTitle, onClear, onClick }) => {
+const LinkPickerTitle = ({
+  id,
+  title,
+  description,
+  versionState,
+  typeTitle,
+  onClear,
+  onClick,
+  canDelete
+}) => {
   const classes = {
     'link-picker__link': true,
     'form-control': true,
@@ -54,7 +63,9 @@ const LinkPickerTitle = ({ id, title, description, versionState, typeTitle, onCl
       </small>
       </div>
     </Button>
-    <Button className="link-picker__clear" color="link" onClick={stopPropagation(() => onClear(id))}>{i18n._t('LinkField.CLEAR', 'Clear')}</Button>
+    {canDelete &&
+      <Button className="link-picker__clear" color="link" onClick={stopPropagation(() => onClear(id))}>{i18n._t('LinkField.CLEAR', 'Clear')}</Button>
+    }
   </div>
 };
 
@@ -66,6 +77,7 @@ LinkPickerTitle.propTypes = {
   typeTitle: PropTypes.string.isRequired,
   onClear: PropTypes.func.isRequired,
   onClick: PropTypes.func.isRequired,
+  canDelete: PropTypes.bool.isRequired,
 };
 
 export default LinkPickerTitle;

client/src/components/LinkPicker/tests/LinkPicker-test.js

@@ -0,0 +1,31 @@
+/* global jest, test */
+import React from 'react';
+import { render } from '@testing-library/react';
+import LinkPicker from '../LinkPicker';
+
+function makeProps(obj = {}) {
+  return {
+    types: [{ key: 'phone', title: 'Phone' }],
+    onModalSuccess: () => {},
+    onModalClosed: () => {},
+    ...obj
+  };
+}
+
+test('LinkPickerMenu render() should display toggle if can create', () => {
+  const { container } = render(<LinkPicker {...makeProps({
+    canCreate: true
+  })}
+  />);
+  expect(container.querySelectorAll('.link-picker__menu-toggle')).toHaveLength(1);
+  expect(container.querySelectorAll('.link-picker__cannot-create')).toHaveLength(0);
+});
+
+test('LinkPickerMenu render() should display cannot create message if cannot create', () => {
+  const { container } = render(<LinkPicker {...makeProps({
+    canCreate: false
+  })}
+  />);
+  expect(container.querySelectorAll('.link-picker__menu-toggle')).toHaveLength(0);
+  expect(container.querySelectorAll('.link-picker__cannot-create')).toHaveLength(1);
+});

client/src/components/LinkPicker/tests/LinkPickerTitle-test.js

@@ -0,0 +1,34 @@
+/* global jest, test */
+
+import React from 'react';
+import { render } from '@testing-library/react';
+import LinkPickerTitle from '../LinkPickerTitle';
+
+function makeProps(obj = {}) {
+  return {
+    id: 1,
+    title: 'My title',
+    description: 'My description',
+    versionState: 'draft',
+    typeTitle: 'Phone',
+    onClear: () => {},
+    onClick: () => {},
+    ...obj
+  };
+}
+
+test('LinkPickerTitle render() should display clear button if can delete', () => {
+  const { container } = render(<LinkPickerTitle {...makeProps({
+    canDelete: true
+  })}
+  />);
+  expect(container.querySelectorAll('.link-picker__clear')).toHaveLength(1);
+});
+
+test('LinkPickerTitle render() should not display clear button if cannot delete', () => {
+  const { container } = render(<LinkPickerTitle {...makeProps({
+    canDelete: false
+  })}
+  />);
+  expect(container.querySelectorAll('.link-picker__clear')).toHaveLength(0);
+});

client/src/containers/LinkModalContainer.js

@@ -2,7 +2,6 @@
 import React from 'react';
 import { loadComponent } from 'lib/Injector';
 import PropTypes from 'prop-types';
-import LinkType from 'types/LinkType';
 
 /**
  * Contains the LinkModal and determines which modal component to render based on the link type.
@@ -29,7 +28,7 @@ const LinkModalContainer = ({ types, typeKey, linkID = 0, isOpen, onSuccess, onC
 }
 
 LinkModalContainer.propTypes = {
-  types: PropTypes.objectOf(LinkType).isRequired,
+  types: PropTypes.array.isRequired,
   typeKey: PropTypes.string.isRequired,
   linkID: PropTypes.number,
   isOpen: PropTypes.bool.isRequired,

client/src/entwine/LinkField.js

@@ -50,6 +50,7 @@ jQuery.entwine('ss', ($) => {
         value,
         onChange: this.handleChange.bind(this),
         isMulti: this.data('is-multi') ?? false,
+        canCreate: this.getInputField().data('can-create') ?? false,
       };
     },
 

package.json

@@ -30,6 +30,7 @@
     "lint-sass": "sass-lint client/src"
   },
   "jest": {
+    "testEnvironment": "jsdom",
     "roots": [
       "client/src"
     ],
@@ -51,6 +52,7 @@
     "@babel/runtime": "^7.20.0",
     "@silverstripe/eslint-config": "^1.0.0",
     "@silverstripe/webpack-config": "^2.0.0",
+    "@testing-library/react": "^14.0.0",
     "babel-jest": "^29.2.2",
     "jest-cli": "^29.2.2",
     "jest-environment-jsdom": "^29.3.1",

src/Controllers/LinkFieldController.php

@@ -112,6 +112,7 @@ private function getLinkData(Link $link): array
             $this->jsonError(403, _t('LinkField.UNAUTHORIZED', 'Unauthorized'));
         }
         $data = $link->jsonSerialize();
+        $data['canDelete'] = $link->canDelete();
         $data['description'] = $link->getDescription();
         $data['versionState'] = $link->getVersionedState();
         return $data;

src/Form/LinkField.php

@@ -57,10 +57,18 @@ public function saveInto(DataObjectInterface $record)
         return $this;
     }
 
+    public function getSchemaStateDefaults()
+    {
+        $data = parent::getSchemaStateDefaults();
+        $data['canCreate'] = !$this->isReadonly();
+        return $data;
+    }
+
     protected function getDefaultAttributes(): array
     {
         $attributes = parent::getDefaultAttributes();
         $attributes['data-value'] = $this->Value();
+        $attributes['data-can-create'] = !$this->isReadonly();
         return $attributes;
     }
 }

src/Form/MultiLinkField.php

@@ -10,6 +10,7 @@
 use SilverStripe\ORM\RelationList;
 use SilverStripe\ORM\SS_List;
 use SilverStripe\ORM\UnsavedRelationList;
+use SilverStripe\LinkField\Models\Link;
 
 /**
  * Allows CMS users to edit a Link object.
@@ -68,13 +69,15 @@ public function getSchemaStateDefaults()
     {
         $data = parent::getSchemaStateDefaults();
         $data['value'] = $this->getValueArray();
+        $data['canCreate'] = !$this->isReadonly();
         return $data;
     }
 
     protected function getDefaultAttributes(): array
     {
         $attributes = parent::getDefaultAttributes();
         $attributes['data-value'] = $this->getValueArray();
+        $attributes['data-can-create'] = !$this->isReadonly();
         return $attributes;
     }
 

src/Models/FileLink.php

@@ -30,7 +30,11 @@ public function getCMSFields(): FieldList
 
     public function getDescription(): string
     {
-        return $this->File()?->getFilename() ?? '';
+        $file = $this->File();
+        if (!$file?->exists() || !$file->canView()) {
+            return '';
+        }
+        return $file->getFilename() ?? '';
     }
 
     public function getURL(): string

src/Models/SiteTreeLink.php

@@ -32,7 +32,11 @@ class SiteTreeLink extends Link
 
     public function getDescription(): string
     {
-        return $this->Page()?->URLSegment ?? '';
+        $page = $this->Page();
+        if (!$page->exists() || !$page->canView()) {
+            return '';
+        }
+        return $page->URLSegment ?? '';
     }
 
     public function getCMSFields(): FieldList
@@ -113,15 +117,15 @@ public function getURL(): string
     public function getDefaultTitle(): string
     {
         $page = $this->Page();
-        $pageExist = $this->Page()->exists();
-
-        if (!$pageExist) {
+        if (!$page->exists()) {
             return _t(
                 static::class . '.MISSING_DEFAULT_TITLE',
                 'Page missing',
             );
         }
-
+        if (!$page->canView()) {
+            return '';
+        }
         return $page->Title;
     }
 }