diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml new file mode 100644 index 0000000..fdfae93 --- /dev/null +++ b/.github/workflows/build.yaml @@ -0,0 +1,40 @@ +name: Release Plazmaclip + +on: + push: + workflow_dispatch: + +jobs: + release: + name: Release Plazma + strategy: + matrix: + base_jdk: [21] + os: [ubuntu-22.04] + + if: "!startsWith(github.event.commits[0].message, '[CI-Skip]')" + runs-on: ${{ matrix.os }} + steps: + + - name: Checkout repository + uses: actions/checkout@v4 + + - name: Validate Gradle Wrapper + uses: gradle/actions/wrapper-validation@v4 + + - name: Set up GraalVM ${{ matrix.base_jdk }} + uses: graalvm/setup-graalvm@v1 + with: + github-token: ${{ secrets.GITHUB_TOKEN }} + java-version: ${{ matrix.base_jdk }} + version: latest + cache: 'gradle' + + - name: Configure Git + run: git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com" && git config --global user.name "github-actions[bot]" + + - name: Publish Packages + if: ${{ github.ref_name == 'master' }} + run: | + export GITHUB_USERNAME=${{ github.repository_owner }} + ./gradlew publish --info --stacktrace diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b1dff0d --- /dev/null +++ b/.gitignore @@ -0,0 +1,45 @@ +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Kotlin ### +.kotlin + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/build.gradle.kts b/build.gradle.kts new file mode 100644 index 0000000..13f44c7 --- /dev/null +++ b/build.gradle.kts @@ -0,0 +1,107 @@ +plugins { + java + signing + `maven-publish` + id("com.gradleup.shadow") version "8.3.4" apply false + id("net.minecraftforge.gradlejarsigner") version "1.0.5" +} + +repositories { + mavenCentral() +} + +subprojects { + tasks.register("sourcesJar") { + from(zipTree(tasks.jar.map { it.outputs.files.singleFile })) + archiveClassifier.set("sources") + } +} + +tasks { + jar { + jarSigner.sign(jar.get()) + + val app = project(":kotlin").tasks.named("shadowJar") + dependsOn(app) + + from(zipTree(app.map { it.outputs.files.singleFile })) + manifest { attributes("Main-Class" to "plazmaclip.PlazmaclipKt") } + + rename { if (it.endsWith("-LICENSE.txt")) "META-INF/license/$it" else it } + } + + register("sourcesJar") { + val app = project(":kotlin").tasks.named("sourcesJar") + dependsOn(app) + + from(zipTree(app.map { it.outputs.files.singleFile })) + archiveClassifier.set("sources") + } +} + +publishing.publications { + repositories.maven("https://maven.pkg.github.com/PlazmaMC/Plazmaclip") { + name = "githubPackage" + + credentials { + username = System.getenv("GITHUB_USERNAME") + password = System.getenv("GITHUB_TOKEN") + } + } + + register("maven") { + groupId = project.group.toString() + version = project.version.toString() + artifactId = "plazmaclip" + + from(components["java"]) + artifact(tasks["sourcesJar"]) + withoutBuildIdentifier() + + pom { + url.set("https://github.com/PlazmaMC/Plazmaclip") + name.set("plazmaclip") + description.set(project.description) + packaging = "jar" + + licenses { + license { + name.set("MIT") + url.set("https://github.com/PlazmaMC/Plazmaclip/blob/main/LICENSE.md") + distribution.set("repo") + } + } + + issueManagement { + system.set("GitHub") + url.set("https://github.com/PlazmaMC/Plazmaclip/issues") + } + + developers { + developer { + id.set("AlphaKR93") + name.set("Alpha") + email.set("dev@alpha93.kr") + url.set("https://alpha93.kr/") + } + } + + scm { + url.set("https://github.com/PlazmaMC/Plazmaclip") + connection.set("scm:git:https://github.com/PlazmaMC/Plazmaclip.git") + developerConnection.set("scm:git:git@github.com:https://github.com/PlazmaMC/Plazmaclip.git") + } + } + } +} + +signing { + val signingKey: String? by project + val signingPassword: String? by project + useInMemoryPgpKeys(signingKey, signingPassword) + sign(publishing.publications["maven"]) +} + +jarSigner { + autoDetect("") +} diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..a145cd0 --- /dev/null +++ b/gradle.properties @@ -0,0 +1,5 @@ +group = org.plazmamc +version = 1.0.0-SNAPSHOT +description = Launcher for the Plazma Minecraft Server + +kotlin.code.style = official diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..8d49ef3 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Sat Nov 02 19:02:21 KST 2024 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..1b6c787 --- /dev/null +++ b/gradlew @@ -0,0 +1,234 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..ac1b06f --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/kotlin/build.gradle.kts b/kotlin/build.gradle.kts new file mode 100644 index 0000000..7674368 --- /dev/null +++ b/kotlin/build.gradle.kts @@ -0,0 +1,32 @@ +plugins { + kotlin("jvm") version "2.0.21" + id("com.gradleup.shadow") version "8.3.4" +} + +repositories { + mavenCentral() +} + +dependencies { + implementation("io.sigpipe:jbsdiff:1.0") +} + +kotlin { + jvmToolchain(21) +} + +tasks.shadowJar { + dependencies { + exclude(dependency("org.jetbrains:annotations")) + } + + listOf("org.apache.commons.compress", "org.tukaani", "io.sigpipe").forEach { + relocate(it, "plazmaclip.libs") + } + + exclude("META-INF/LICENSE.txt") + exclude("META-INF/NOTICE.txt") + relocate("kotlin", "plazmaclip.libs") + + minimize() +} diff --git a/kotlin/src/main/kotlin/Plazmaclip.kt b/kotlin/src/main/kotlin/Plazmaclip.kt new file mode 100644 index 0000000..fc914c5 --- /dev/null +++ b/kotlin/src/main/kotlin/Plazmaclip.kt @@ -0,0 +1,339 @@ +package plazmaclip + +import io.sigpipe.jbsdiff.Patch.patch as merge +import java.io.BufferedReader +import java.io.BufferedOutputStream +import java.io.InputStream +import java.io.InputStreamReader +import java.io.StringWriter +import java.lang.invoke.MethodHandles +import java.lang.invoke.MethodType +import java.net.URL +import java.net.URLClassLoader +import java.nio.file.FileSystems.newFileSystem +import java.nio.file.Path +import java.nio.file.StandardOpenOption.CREATE +import java.nio.file.StandardOpenOption.WRITE +import java.nio.file.StandardOpenOption.TRUNCATE_EXISTING +import java.lang.Boolean.getBoolean +import kotlin.concurrent.thread +import kotlin.io.path.* +import kotlin.system.exitProcess +import java.lang.System.err +import java.lang.System.getProperty +import java.lang.System.arraycopy +import java.net.MalformedURLException +import java.net.URI +import java.nio.channels.Channels.newChannel +import java.nio.channels.FileChannel.open +import java.security.MessageDigest.getInstance + +private var first = false +private val digest = getInstance("SHA-256") // TODO: Use SHA-512 instead, needs to edit paperweight + +fun main(vararg args: String) { + + val repo = Path(getProperty("bundlerRepoDir", "")) + val patchOnly = getBoolean("paperclip.patchonly") + val mainClass = tryOrThrow("Failed to retrieve main class") { + getProperty("bundlerMainClass") ?: readResource("/META-INF/main-class")!! + } + + if (Path(".").absolutePathString().contains("!")) { + err.println("Plazmaclip will not run in a directory containing '!'. Please rename the affected folder.") + exitProcess(1) + } + + val patches = findPatches() + val remotes = findRemotes() + if (patches.isNotEmpty() && remotes == null) throw IllegalArgumentException("patches list found without a corresponding original-url") + + val orig = tryOrThrow("Failed to download original file") { remotes?.download(repo) } + if (orig == null && patches.isNotEmpty()) throw IllegalArgumentException("Patch found without target") + + val entry = mutableMapOf>() + tryOrThrow("Failed to extract jar files") { entry.extract(patches, orig, repo) } + + if (patches.isNotEmpty()) tryOrThrow("Failed to apply patches") { + newFileSystem(orig).use { for (p in patches) p?.merge(entry, it.getPath("/"), repo) } + } + + if (patchOnly) exitProcess(0) + + val versions = entry["versions"]!!.values + val libraries = entry["libraries"]!!.values + + val entries = arrayOfNulls(versions.size + libraries.size) + arraycopy(versions.toTypedArray(), 0, entries, 0, versions.size) + arraycopy(libraries.toTypedArray(), 0, entries, versions.size, libraries.size) + + val loader = URLClassLoader(entries, Patch::class.java.classLoader) + thread(name = "ServerMain", contextClassLoader = loader) { + try { + val main = Class.forName(mainClass, true, loader) + val handle = MethodHandles.lookup() + .findStatic(main, "main", MethodType.methodType(Void.TYPE, Array::class.java)) + .asFixedArity() + + handle.invoke(args) + } catch (t: Throwable) { + throw t + } + } + +} + +private inline fun tryOrThrow(msg: String, block: () -> T): T { + try { + return block() + } catch (e: Exception) { + err.println(msg) + e.printStackTrace() + exitProcess(1) + } +} + +private val Char.hex: Int + get() { + val i = Character.digit(this, 16) + if (i < 0) throw IllegalArgumentException("Invalid hex char: $this") + return i + } + +private val String.hex: ByteArray + get() { + if (this.length % 2 != 0) throw IllegalArgumentException("Length of hex $this must be divisible by two") + + try { + val bytes = ByteArray(this.length / 2) + for (i in bytes.indices) bytes[i] = ((this[i * 2].hex shl 4) or (this[i * 2 + 1].hex and 0xF)).toByte() + return bytes + } catch (e: Exception) { + throw IllegalArgumentException("Cannot convert non-hex string: $this") + } + } + +private fun resourceStream(path: String): InputStream? = Patch::class.java.getResourceAsStream(path) +private fun ByteArray.validate(hash: ByteArray) = hash.contentEquals(digest.digest(this)) +private fun Path.validate(hash: ByteArray) = this.exists() && this.readBytes().validate(hash) +private fun Path.open() = open(this, CREATE, WRITE, TRUNCATE_EXISTING) + +private fun readResource(path: String): String? = with(StringWriter()) { + (resourceStream(if (path.startsWith("/")) path else "/$path") ?: return null).use { + InputStreamReader(it).transferTo(this) + } + return this.toString() +} + +private fun findEntries(name: String): Array? = tryOrThrow("Failed to read file: $name") { + (resourceStream("/META-INF/$name") ?: return@tryOrThrow null).use { + return@tryOrThrow BufferedReader(InputStreamReader(it)).parse { + val parts = this.split("\t") + check(parts.size == 3) { "Malformed library entry: $this" } + + return@parse FileEntry(parts[0].hex, parts[1], parts[2]) + } + } +} + +private inline fun BufferedReader.parse(parser: String.() -> T): Array { + var result = arrayOfNulls(8) + + var i = 0 + for (l in this.lines()) { + val data = l.parser() ?: continue + + if (i == result.size) result = result.copyOf(i * 2) + result[i++] = data + } + + return if (i != result.size) result.copyOf(i) else result +} + +private fun MutableMap>.extract( + patches: Array, + orig: Path?, + repo: Path +) = (if (orig == null) null else newFileSystem(orig)).use { + val root = it?.getPath("/") + + val versions = mutableMapOf() + val libraries = mutableMapOf() + + this.putIfAbsent("versions", versions) + this.putIfAbsent("libraries", libraries) + + findEntries("versions.list")?.extract(versions, patches, root, repo, "versions") + findEntries("libraries.list")?.extract(libraries, patches, root, repo, "libraries") +} + +private fun findPatches(): Array { + val stream = resourceStream("/META-INF/patches.list") ?: return emptyArray() + return tryOrThrow("Failed to read patches.list") { + BufferedReader(InputStreamReader(stream)).parse { + if (this.isBlank() || this.startsWith("#")) return@parse null + + val parts = this.split("\t") + check(parts.size == 7) { "Invalid patch-data line: $this" } + + return@parse Patch(parts) + } + } +} + +private fun findRemotes(): RemoteEntry? { + val l = tryOrThrow("Failed to read download-context file") { + readResource("/META-INF/download-context") + } ?: return null + + val parts = l.split("\t") + check(parts.size == 3) { "Invalid download-context line: $l" } + + try { + return RemoteEntry(parts[0].hex, URI.create(parts[1]).toURL(), parts[2]) + } catch (e: MalformedURLException) { + throw IllegalStateException("Unable to parse URL in download-context", e) + } +} + +private fun Array.extract( + urls: MutableMap, + patches: Array, + root: Path?, + repo: Path, + target: String +) = ("/META-INF/$target" to repo.resolve(target)).let { + for (e in this) e?.extract(urls, patches, target, root, it.first, it.second) +} + +@JvmRecord +private data class RemoteEntry( + val hash: ByteArray, + val url: URL, + val name: String +) { + + fun download(outPath: Path): Path { + + val outFile = outPath.resolve("cache").resolve(this.name) + if (outFile.validate(this.hash)) return outFile + + if (!outFile.parent.isDirectory()) outFile.parent.createDirectories() + outFile.deleteIfExists() + + println("Downloading $name") + tryOrThrow("Failed to download $name") { + val src = newChannel(this.url.openStream()) + outFile.open().transferFrom(src, 0, Long.MAX_VALUE) + } + + return outFile + + } + +} + +@JvmRecord +private data class FileEntry( + val hash: ByteArray, + val id: String, + val path: String +) { + + fun extract( + url: MutableMap, + patches: Array, + target: String, + root: Path?, + base: String, + outPath: Path + ) { + + for (p in patches) { + if (p?.path == target && p.pathOutput == this.path) return + } + + val outFile = outPath.resolve(this.path) + if (outFile.exists() && outFile.validate(this.hash)) { + url[this.path] = outFile.toUri().toURL() + return + } + + val srcPath = (if (base.endsWith("/")) base else "$base/") + this.path + val stream = resourceStream(srcPath) ?: with(root) { + if (this == null) throw IllegalStateException("$path not found in our jar, and no original provided") + + val orig = this.resolve(srcPath) + if (orig.notExists()) throw IllegalStateException("Could not find $path in our jar or original jar file") + + return@with orig.inputStream() + } + + if (!outFile.parent.isDirectory()) outFile.parent.createDirectories() + outFile.deleteIfExists() + + stream.use { + val input = newChannel(it) + val output = outFile.open() + + output.transferFrom(input, 0, Long.MAX_VALUE) + } + + if (!outFile.validate(this.hash)) throw IllegalStateException("Hash validation failed for extract file $outFile") + + url[this.path] = outFile.toUri().toURL() + + } + +} + +@JvmRecord +private data class Patch( + val path: String, + val hashOrig: ByteArray, + val hashPatch: ByteArray, + val hashOutput: ByteArray, + val pathOrig: String, + val pathPatch: String, + val pathOutput: String +) { + + constructor(parts: List) : this(parts[0], parts[1].hex, parts[2].hex, parts[3].hex, parts[4], parts[5], parts[6]) + + fun merge(urls: Map>, orig: Path, repo: Path) { + + val src = orig.resolve("META-INF").resolve(this.path).resolve(this.pathOrig) + val out = repo.resolve(this.path).resolve(this.pathOutput) + + if (out.validate(this.hashOutput)) { + urls[this.path]?.set(this.pathOrig, out.toUri().toURL()) + return + } + + if (!first) { + println("Applying patches") + first = true + } + + check(src.exists()) { "Input file not found: $src" } + check(src.validate(this.hashOrig)) { "Hash validation of input file failed for $src" } + + val patchFile = "/META-INF/${if (this.path.endsWith("/")) this.path else "$path/"}$pathPatch" + val stream = resourceStream(patchFile) ?: throw IllegalStateException("Could not find patch file: $patchFile") + + val patch = stream.readBytes() + check(patch.validate(this.hashPatch)) { "Hash validation of patch file failed for $patchFile" } + + val bytes = src.readBytes() + tryOrThrow("Failed to patch $src") { + if (!out.parent.isDirectory()) out.parent.createDirectories() + BufferedOutputStream(out.outputStream(CREATE, WRITE, TRUNCATE_EXISTING)).use { merge(bytes, patch, it) } + } + + check(out.validate(this.hashOutput)) { "Patch not applied correctly for $pathOutput" } + + urls[this.path]?.set(this.pathOrig, out.toUri().toURL()) + + } + +} diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..4aa0217 --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,6 @@ +plugins { + id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0" +} + +rootProject.name = "plazmaclip" +include("kotlin")