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mirror.gradle
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mirror.gradle
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buildscript {
repositories {
maven { url "https://maven.aliyun.com/nexus/content/groups/public" }
maven { url "https://${mirror_maven_url}" }
}
dependencies {
classpath "net.minecraftforge.gradle:ForgeGradle:${forge_gradle_version}"
}
}
repositories {
if (use_mirror_url == "true") {
// remove minecraft and forge maven repositories to avoid interference
removeIf {
it instanceof MavenArtifactRepository &&
(it.url.toString() == "https://repo.maven.apache.org/maven2/" ||
it.url.toString() == "https://maven.minecraftforge.net" ||
it.url.toString() == "https://libraries.minecraft.net/")
}
// add mirror repositories
maven { url "https://maven.aliyun.com/nexus/content/groups/public" }
maven { url "file://${projectDir}/.gradle/local-repo" }
maven { url "https://${mirror_maven_url}" }
}
}
import net.minecraftforge.gradle.common.BasePlugin
import net.minecraftforge.gradle.common.Constants
import net.minecraftforge.gradle.tasks.DownloadAssetsTask
import net.minecraftforge.gradle.user.patcherUser.forge.ForgePlugin
import net.minecraftforge.gradle.util.json.version.Library
import sun.misc.SharedSecrets
import sun.misc.Unsafe
import java.nio.file.Files
import java.nio.file.StandardCopyOption
// initialize the constant pool and force to load strings so that strings can be replaced
void initConstantPool(Class<?> clazz) {
if (clazz != null && !clazz.interface) {
initConstantPool clazz.superclass
def constantPool = SharedSecrets.javaLangAccess.getConstantPool clazz
for (i in 0..constantPool.size) {
try {
constantPool.getStringAt i
} catch (def ignored) {}
}
}
}
// replace string values in constant pools
void replaceString(String str1, String str2) {
String.class.getDeclaredField "value" with {
it.setAccessible true
it.set str1, str2.toCharArray()
}
}
// ForgeGradle does not support redirecting when downloading files, but BMCLAPI requires it, so we should redirect it manually
String redirectUrl(String url) {
def con = new URL(url).openConnection()
con.setInstanceFollowRedirects true
con.connect()
if (String.valueOf(con.getResponseCode()).startsWith("3")) {
def newUrl = con.getHeaderField "Location"
if (newUrl != null) url = redirectUrl newUrl
}
return url
}
// ForgeGradle hardcoded some urls in these classes, we should modify them to mirror urls via some hacky ways
// https://github.com/MinecraftForge/ForgeGradle/blob/FG_2.3/src/main/java/net/minecraftforge/gradle/common/Constants.java#L123-L126
// https://github.com/MinecraftForge/ForgeGradle/blob/FG_2.3/src/main/java/net/minecraftforge/gradle/tasks/DownloadAssetsTask.java#L189
// https://github.com/MinecraftForge/ForgeGradle/blob/FG_2.3/src/main/java/net/minecraftforge/gradle/common/BasePlugin.java#L174-L176
// https://github.com/MinecraftForge/ForgeGradle/blob/FG_2.3/src/main/java/net/minecraftforge/gradle/common/BasePlugin.java#L231
// https://github.com/MinecraftForge/ForgeGradle/blob/FG_2.3/src/main/java/net/minecraftforge/gradle/util/json/version/Library.java#L72
def classToInit = [Constants.class, DownloadAssetsTask.GetAssetTask.class, ForgePlugin.class, Library.class]
for (clazz in classToInit) {
initConstantPool Unsafe.theUnsafe.allocateInstance(clazz).class
}
replaceString "https://launchermeta.mojang.com/mc/game/version_manifest.json", redirectUrl("https://${mirror_assets_url}/mc/game/version_manifest.json")
replaceString "http://resources.download.minecraft.net/", "https://download.mcbbs.net/assets/" // use MCBBS mirror due to there"s no way to hook http 302 response when downloading assets
replaceString "https://libraries.minecraft.net/", "https://${mirror_maven_url}"
replaceString "https://maven.minecraftforge.net", "https://${mirror_maven_url}"
replaceString "https://maven.minecraftforge.net/de/oceanlabs/mcp/versions.json", redirectUrl("https://${mirror_maven_url}/de/oceanlabs/mcp/versions.json")
tasks.whenTaskAdded {
if (it.name == "getVersionJson") it.dependsOn mirrorManifest
if (it.name == "getVersionJson" || it.name == "extractUserdev") it.finalizedBy mirrorVersionJson
}
// this task is to replace urls in version manifest json (https://launchermeta.mojang.com/mc/game/version_manifest.json)
task mirrorManifest {
doLast {
ForgePlugin forge = project.plugins.findPlugin ForgePlugin.class
BasePlugin.class.getDeclaredField "mcManifest" with {
it.setAccessible true
it
} get forge get forge.extension.version with {
if (it.url != null) it.url = redirectUrl it.url.replace("launchermeta.mojang.com", mirror_assets_url)
}
}
}
// this task is to replace urls in version json (https://launchermeta.mojang.com/v1/packages/6e69e85d0f85f4f4b9e12dd99d102092a6e15918/1.12.2.json)
task mirrorVersionJson {
doLast {
ForgePlugin forge = project.plugins.findPlugin ForgePlugin.class
BasePlugin.class.getDeclaredField "mcVersionJson" with {
it.setAccessible true
it
} get forge with {
it.assetIndex.url = redirectUrl it.assetIndex.url.replace("launchermeta.mojang.com", mirror_assets_url)
it.downloads.values().each {
if (it.url != null) it.url = redirectUrl it.url.replace("launcher.mojang.com", mirror_assets_url)
}
}
}
}
afterEvaluate {
ForgePlugin forge = project.plugins.findPlugin ForgePlugin.class
def mcpName = forge.delayedString("mcp_${Constants.REPLACE_MCP_CHANNEL}").call()
def mcpVersion = forge.delayedString("${Constants.REPLACE_MCP_VERSION}-${Constants.REPLACE_MCP_MCVERSION}").call()
def mcpBasePath = "/de/oceanlabs/mcp/${mcpName}/${mcpVersion}/${mcpName}-${mcpVersion}."
def mcpBaseUrl = "https://${mirror_maven_url}${mcpBasePath}"
new URL("${mcpBaseUrl}zip").withInputStream { is ->
Files.copy(is, file("${projectDir}/.gradle/local-repo${mcpBasePath}zip").toPath().with { path ->
Files.createDirectories(path.parent)
path
}, StandardCopyOption.REPLACE_EXISTING)
}
file("${projectDir}/.gradle/local-repo${mcpBasePath}pom").withWriter { writer ->
writer.write("""\
<?xml version="1.0" encoding="UTF-8"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<groupId>de.oceanlabs.mcp</groupId>
<artifactId>${mcpName}</artifactId>
<version>${mcpVersion}</version>
<packaging>zip</packaging>
</project>
""".stripIndent())
}
def mcVersion = forge.delayedString("${Constants.REPLACE_MC_VERSION}").call()
def mcBasePath = "/de/oceanlabs/mcp/mcp/${mcVersion}/mcp-${mcVersion}"
def mcBaseUrl = "https://${mirror_maven_url}${mcBasePath}"
new URL("${mcBaseUrl}-srg.zip").withInputStream { is ->
Files.copy(is, file("${projectDir}/.gradle/local-repo${mcBasePath}-srg.zip").toPath().with { path ->
Files.createDirectories(path.parent)
path
}, StandardCopyOption.REPLACE_EXISTING)
}
file("${projectDir}/.gradle/local-repo${mcBasePath}.pom").withWriter { writer ->
writer.write("""\
<?xml version="1.0" encoding="UTF-8"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<groupId>de.oceanlabs.mcp</groupId>
<artifactId>mcp</artifactId>
<version>${mcVersion}</version>
</project>
""".stripIndent())
}
}