feat:移除了弹窗,服务器添加sls

This commit is contained in:
2026-09-08 22:39:45 +08:00
commit 6a295f9a7a
4082 changed files with 1322534 additions and 0 deletions

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packages/app-lib/java/.gitattributes vendored Normal file
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#
# https://help.github.com/articles/dealing-with-line-endings/
#
# Linux start script should use lf
/gradlew text eol=lf
# These are Windows script files and should use crlf
*.bat text eol=crlf
# Binary files should be left untouched
*.jar binary

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# Ignore Gradle project-specific cache directory
.gradle
# Ignore Gradle build output directory
build
# Ignore IDE/compiler output written outside Gradle's build directory
/bin/

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import java.security.MessageDigest
plugins {
java
id("com.diffplug.spotless") version "8.0.0"
id("com.gradleup.shadow") version "9.2.2"
}
repositories {
mavenCentral()
}
dependencies {
implementation("org.ow2.asm:asm:9.9")
implementation("org.ow2.asm:asm-tree:9.9")
implementation("com.google.code.gson:gson:2.13.2")
testImplementation(libs.junit.jupiter)
testRuntimeOnly("org.junit.platform:junit-platform-launcher")
}
java {
toolchain {
languageVersion = JavaLanguageVersion.of(17)
}
}
tasks.withType<JavaCompile>().configureEach {
options.release = 8
options.compilerArgs.addAll(listOf("-Xlint:all", "-Werror"))
}
spotless {
java {
palantirJavaFormat()
removeUnusedImports()
}
}
tasks.jar {
enabled = false
}
tasks.shadowJar {
archiveFileName = "theseus.jar"
manifest {
attributes["Premain-Class"] = "com.modrinth.theseus.agent.TheseusAgent"
}
addMultiReleaseAttribute = false
enableAutoRelocation = true
relocationPrefix = "com.modrinth.theseus.shadow"
}
val authlibInjector by tasks.registering {
notCompatibleWithConfigurationCache("Downloads and verifies a pinned external Java agent")
val output = layout.buildDirectory.file("libs/authlib-injector.jar")
inputs.property("version", "1.2.8")
inputs.property(
"sha256",
"9c7f4343e6c82034958ffb48c14a2cb0c85928be7283103ce17da00c6d5a7b10",
)
outputs.file(output)
doLast {
val bytes = uri(
"https://authlib-injector.yushi.moe/artifact/56/authlib-injector-1.2.8.jar",
).toURL().readBytes()
val checksum = MessageDigest.getInstance("SHA-256")
.digest(bytes)
.joinToString("") { "%02x".format(it) }
check(checksum == inputs.properties["sha256"]) {
"authlib-injector checksum mismatch: $checksum"
}
output.get().asFile.apply {
parentFile.mkdirs()
writeBytes(bytes)
}
}
}
tasks.build {
dependsOn(authlibInjector)
}
tasks.named<Test>("test") {
useJUnitPlatform()
}
tasks.withType<AbstractArchiveTask>().configureEach {
isPreserveFileTimestamps = false
isReproducibleFileOrder = true
}

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# This file was generated by the Gradle 'init' task.
# https://docs.gradle.org/current/userguide/build_environment.html#sec:gradle_configuration_properties
org.gradle.configuration-cache=true

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[versions]
junit-jupiter = "5.14.0"
[libraries]
junit-jupiter = { module = "org.junit.jupiter:junit-jupiter", version.ref = "junit-jupiter" }

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://mirrors.cloud.tencent.com/gradle/gradle-9.1.0-bin.zip
networkTimeout=10000
validateDistributionUrl=true
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

251
packages/app-lib/java/gradlew vendored Normal file
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#!/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.
#
# SPDX-License-Identifier: Apache-2.0
#
##############################################################################
#
# 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/HEAD/platforms/jvm/plugins-application/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
# This is normally unused
# shellcheck disable=SC2034
APP_BASE_NAME=${0##*/}
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
# 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 "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH="\\\"\\\""
# Determine the Java command to use to start the JVM.
if [ -n "$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: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
if ! command -v java >/dev/null 2>&1
then
die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
ulimit -n "$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
# 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"'
# Collect all arguments for the java command:
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
# and any embedded shellness will be escaped.
# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
# treated as '${Hostname}' itself on the command line.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
-jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
"$@"
# Stop when "xargs" is not available.
if ! command -v xargs >/dev/null 2>&1
then
die "xargs is not available"
fi
# 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 "$JAVACMD" "$@"

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packages/app-lib/java/gradlew.bat vendored Normal file
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@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
@rem SPDX-License-Identifier: Apache-2.0
@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=.
@rem This is normally unused
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% equ 0 goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:execute
@rem Setup the command line
set CLASSPATH=
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 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!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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plugins {
// Apply the foojay-resolver plugin to allow automatic download of JDKs
id("org.gradle.toolchains.foojay-resolver-convention") version "1.0.0"
}
rootProject.name = "theseus"

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package com.modrinth.theseus;
public final class JavaInfo {
private static final String[] CHECKED_PROPERTIES = new String[] {"os.arch", "java.version"};
public static void main(String[] args) {
int returnCode = 0;
for (String key : CHECKED_PROPERTIES) {
String property = System.getProperty(key);
if (property != null) {
System.out.println(key + "=" + property);
} else {
returnCode = 1;
}
}
System.exit(returnCode);
}
}

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package com.modrinth.theseus;
import com.modrinth.theseus.rpc.RpcHandlers;
import com.modrinth.theseus.rpc.TheseusRpc;
import java.io.IOException;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.Base64;
import java.util.concurrent.CompletableFuture;
public final class MinecraftLaunch {
private static final String UTF8_GAME_ARGUMENT_PREFIX = "__THESEUS_UTF8__:";
public static void main(String[] args) throws IOException, ReflectiveOperationException {
final String mainClass = args[0];
final String[] gameArgs = Arrays.stream(args, 1, args.length)
.map(MinecraftLaunch::decodeGameArgument)
.toArray(String[]::new);
System.setProperty("modrinth.process.args", String.join("\u001f", gameArgs));
final CompletableFuture<Void> waitForLaunch = new CompletableFuture<>();
TheseusRpc.connectAndStart(
System.getProperty("modrinth.internal.ipc.host"),
Integer.getInteger("modrinth.internal.ipc.port"),
new RpcHandlers()
.handler("set_system_property", String.class, String.class, System::setProperty)
.handler("launch", () -> waitForLaunch.complete(null)));
waitForLaunch.join();
relaunch(mainClass, gameArgs);
}
static String decodeGameArgument(String argument) {
if (!argument.startsWith(UTF8_GAME_ARGUMENT_PREFIX)) {
return argument;
}
final byte[] encoded = Base64.getDecoder().decode(argument.substring(UTF8_GAME_ARGUMENT_PREFIX.length()));
return new String(encoded, StandardCharsets.UTF_8);
}
private static void relaunch(String mainClassName, String[] args) throws ReflectiveOperationException {
final int javaVersion = getJavaVersion();
final Class<?> mainClass = Class.forName(mainClassName);
if (javaVersion >= 25) {
Method mainMethod;
try {
mainMethod = findMainMethodJep512(mainClass);
} catch (ReflectiveOperationException e) {
System.err.println(
"[MODRINTH] Unable to call JDK findMainMethod. Falling back to pre-Java 25 main method finding.");
// If the above fails due to JDK implementation details changing
try {
mainMethod = findSimpleMainMethod(mainClass);
} catch (ReflectiveOperationException innerE) {
e.addSuppressed(innerE);
throw e;
}
}
if (mainMethod == null) {
throw new IllegalArgumentException("Could not find main() method");
}
Object thisObject = null;
if (!Modifier.isStatic(mainMethod.getModifiers())) {
thisObject = forceAccessible(mainClass.getDeclaredConstructor()).newInstance();
}
final Object[] parameters = mainMethod.getParameterCount() > 0 ? new Object[] {args} : new Object[] {};
mainMethod.invoke(thisObject, parameters);
} else {
forceAccessible(findSimpleMainMethod(mainClass)).invoke(null, new Object[] {args});
}
}
private static int getJavaVersion() {
String javaVersion = System.getProperty("java.version");
final int dotIndex = javaVersion.indexOf('.');
if (dotIndex != -1) {
javaVersion = javaVersion.substring(0, dotIndex);
}
final int dashIndex = javaVersion.indexOf('-');
if (dashIndex != -1) {
javaVersion = javaVersion.substring(0, dashIndex);
}
return Integer.parseInt(javaVersion);
}
private static Method findMainMethodJep512(Class<?> mainClass) throws ReflectiveOperationException {
// BEWARE BELOW: This code may break if JDK internals to find the main method
// change.
final Class<?> methodFinderClass = Class.forName("jdk.internal.misc.MethodFinder");
final Method methodFinderMethod = methodFinderClass.getDeclaredMethod("findMainMethod", Class.class);
final Object result = methodFinderMethod.invoke(null, mainClass);
return (Method) result;
}
private static Method findSimpleMainMethod(Class<?> mainClass) throws NoSuchMethodException {
return mainClass.getMethod("main", String[].class);
}
private static <T extends AccessibleObject> T forceAccessible(T object) throws ReflectiveOperationException {
try {
final Method setAccessible0 = AccessibleObject.class.getDeclaredMethod("setAccessible0", boolean.class);
setAccessible0.setAccessible(true);
setAccessible0.invoke(object, true);
} catch (NoSuchMethodException e) {
object.setAccessible(true);
}
return object;
}
}

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package com.modrinth.theseus.agent;
import java.util.ListIterator;
import java.util.function.Predicate;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.FieldInsnNode;
public interface InsnPattern extends Predicate<AbstractInsnNode> {
/**
* Advances past the first match of all instructions in the pattern.
* @return {@code true} if the pattern was found, {@code false} if not
*/
static boolean findAndSkip(ListIterator<AbstractInsnNode> iterator, InsnPattern... pattern) {
if (pattern.length == 0) {
return true;
}
int patternIndex = 0;
while (iterator.hasNext()) {
final AbstractInsnNode insn = iterator.next();
if (insn.getOpcode() == -1) continue;
if (pattern[patternIndex].test(insn) && ++patternIndex == pattern.length) {
return true;
} else {
patternIndex = 0;
}
}
return false;
}
static InsnPattern opcode(int opcode) {
return insn -> insn.getOpcode() == opcode;
}
static InsnPattern field(int opcode, Type fieldType) {
final String typeDescriptor = fieldType.getDescriptor();
return insn -> {
if (insn.getOpcode() != opcode || !(insn instanceof FieldInsnNode)) {
return false;
}
final FieldInsnNode fieldInsn = (FieldInsnNode) insn;
return typeDescriptor.equals(fieldInsn.desc);
};
}
}

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package com.modrinth.theseus.agent;
// Must be kept up-to-date with quick_play_version.rs
public enum QuickPlayServerVersion {
BUILTIN,
BUILTIN_LEGACY,
INJECTED,
UNSUPPORTED;
public static final QuickPlayServerVersion CURRENT =
valueOf(System.getProperty("modrinth.internal.quickPlay.serverVersion"));
}

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package com.modrinth.theseus.agent;
import com.modrinth.theseus.agent.transformers.ClassTransformer;
import com.modrinth.theseus.agent.transformers.MinecraftTransformer;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.lang.instrument.Instrumentation;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.HashMap;
import java.util.Map;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
@SuppressWarnings({"NullableProblems", "CallToPrintStackTrace"})
public final class TheseusAgent {
private static final boolean DEBUG_AGENT = Boolean.getBoolean("modrinth.debugAgent");
public static void premain(String args, Instrumentation instrumentation) {
final Path debugPath = Paths.get("ModrinthDebugTransformed");
if (DEBUG_AGENT) {
System.out.println(
"===== Theseus agent debugging enabled. Dumping transformed classes to " + debugPath + " =====");
if (Files.exists(debugPath)) {
try {
Files.walkFileTree(debugPath, new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
Files.delete(file);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
Files.delete(dir);
return FileVisitResult.CONTINUE;
}
});
} catch (IOException e) {
new UncheckedIOException("Failed to delete " + debugPath, e).printStackTrace();
}
}
System.out.println("===== Quick play server version: " + QuickPlayServerVersion.CURRENT + " =====");
}
final Map<String, ClassTransformer> transformers = new HashMap<>();
transformers.put("net/minecraft/client/Minecraft", new MinecraftTransformer());
instrumentation.addTransformer((loader, className, classBeingRedefined, protectionDomain, classData) -> {
final ClassTransformer transformer = transformers.get(className);
if (transformer == null) {
return null;
}
final ClassReader reader = new ClassReader(classData);
final ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_MAXS);
try {
if (!transformer.transform(reader, writer)) {
if (DEBUG_AGENT) {
System.out.println("Not writing " + className + " as its transformer returned false");
}
return null;
}
} catch (Throwable t) {
new IllegalStateException("Failed to transform " + className, t).printStackTrace();
return null;
}
final byte[] result = writer.toByteArray();
if (DEBUG_AGENT) {
try {
final Path path = debugPath.resolve(className + ".class");
Files.createDirectories(path.getParent());
Files.write(path, result);
System.out.println("Dumped class to " + path.toAbsolutePath());
} catch (IOException e) {
new UncheckedIOException("Failed to dump class " + className, e).printStackTrace();
}
}
return result;
});
}
}

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package com.modrinth.theseus.agent.transformers;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.tree.ClassNode;
public abstract class ClassNodeTransformer extends ClassTransformer {
protected abstract boolean transform(ClassNode classNode);
@Override
public final boolean transform(ClassReader reader, ClassWriter writer) {
final ClassNode classNode = new ClassNode();
reader.accept(classNode, 0);
if (!transform(classNode)) {
return false;
}
classNode.accept(writer);
return true;
}
}

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package com.modrinth.theseus.agent.transformers;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.ClassNode;
public abstract class ClassTransformer {
public abstract boolean transform(ClassReader reader, ClassWriter writer);
protected static boolean needsStackMap(ClassNode classNode) {
return (classNode.version & 0xffff) >= Opcodes.V1_6;
}
}

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package com.modrinth.theseus.agent.transformers;
import com.modrinth.theseus.agent.InsnPattern;
import com.modrinth.theseus.agent.QuickPlayServerVersion;
import java.util.ListIterator;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.FrameNode;
import org.objectweb.asm.tree.InsnNode;
import org.objectweb.asm.tree.JumpInsnNode;
import org.objectweb.asm.tree.LabelNode;
import org.objectweb.asm.tree.LdcInsnNode;
import org.objectweb.asm.tree.MethodInsnNode;
import org.objectweb.asm.tree.MethodNode;
import org.objectweb.asm.tree.VarInsnNode;
public final class MinecraftTransformer extends ClassNodeTransformer {
private static final String SET_SERVER_NAME_DESC = "(Ljava/lang/String;I)V";
private static final InsnPattern[] INITIALIZE_THIS_PATTERN = {InsnPattern.opcode(Opcodes.INVOKESPECIAL)};
@Override
protected boolean transform(ClassNode classNode) {
if (QuickPlayServerVersion.CURRENT == QuickPlayServerVersion.INJECTED) {
return addServerJoinSupport(classNode);
}
return false;
}
private static boolean addServerJoinSupport(ClassNode classNode) {
String setServerName = null;
MethodNode constructor = null;
for (final MethodNode method : classNode.methods) {
if (constructor == null && method.name.equals("<init>")) {
constructor = method;
} else if (method.desc.equals(SET_SERVER_NAME_DESC) && method.name.indexOf('$') == -1) {
// Check for $ is because Mixin-injected methods should have $ in it
if (setServerName == null) {
setServerName = method.name;
} else {
// Already found a setServer method, but we found another one? Since we can't
// know which is real, just return so we don't call something we shouldn't.
// Note this can't happen unless some other mod is adding a method with this
// same descriptor.
return false;
}
}
}
if (constructor == null) {
return false;
}
final ListIterator<AbstractInsnNode> it = constructor.instructions.iterator();
if (!InsnPattern.findAndSkip(it, INITIALIZE_THIS_PATTERN)) {
return true;
}
final LabelNode noQuickPlayLabel = new LabelNode();
final LabelNode doneQuickPlayLabel = new LabelNode();
it.add(new LdcInsnNode("modrinth.internal.quickPlay.host"));
// String
it.add(new MethodInsnNode(
Opcodes.INVOKESTATIC, "java/lang/System", "getProperty", "(Ljava/lang/String;)Ljava/lang/String;"));
// String
it.add(new InsnNode(Opcodes.DUP));
// String String
it.add(new JumpInsnNode(Opcodes.IFNULL, noQuickPlayLabel));
// String
it.add(new VarInsnNode(Opcodes.ALOAD, 0));
// String Minecraft
it.add(new InsnNode(Opcodes.SWAP));
// Minecraft String
it.add(new LdcInsnNode("modrinth.internal.quickPlay.port"));
// Minecraft String String
it.add(new MethodInsnNode(
Opcodes.INVOKESTATIC, "java/lang/System", "getProperty", "(Ljava/lang/String;)Ljava/lang/String;"));
// Minecraft String String
it.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Integer", "parseInt", "(Ljava/lang/String;)I"));
// Minecraft String int
it.add(new MethodInsnNode(
Opcodes.INVOKEVIRTUAL, "net/minecraft/client/Minecraft", setServerName, SET_SERVER_NAME_DESC));
//
it.add(new JumpInsnNode(Opcodes.GOTO, doneQuickPlayLabel));
it.add(noQuickPlayLabel);
if (needsStackMap(classNode)) {
it.add(new FrameNode(Opcodes.F_SAME, 0, null, 0, null));
}
// String
it.add(new InsnNode(Opcodes.POP));
//
it.add(doneQuickPlayLabel);
if (needsStackMap(classNode)) {
it.add(new FrameNode(Opcodes.F_SAME, 0, null, 0, null));
}
//
return true;
}
}

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package com.modrinth.theseus.rpc;
import com.google.gson.JsonElement;
import com.google.gson.JsonNull;
import java.util.HashMap;
import java.util.Map;
import java.util.function.BiConsumer;
import java.util.function.Function;
public class RpcHandlers {
private final Map<String, Function<JsonElement[], JsonElement>> handlers = new HashMap<>();
private boolean frozen;
public RpcHandlers handler(String functionName, Runnable handler) {
return addHandler(functionName, args -> {
handler.run();
return JsonNull.INSTANCE;
});
}
public <A, B> RpcHandlers handler(
String functionName, Class<A> arg1Type, Class<B> arg2Type, BiConsumer<A, B> handler) {
return addHandler(functionName, args -> {
if (args.length != 2) {
throw new IllegalArgumentException(functionName + " expected 2 arguments");
}
final A arg1 = TheseusRpc.GSON.fromJson(args[0], arg1Type);
final B arg2 = TheseusRpc.GSON.fromJson(args[1], arg2Type);
handler.accept(arg1, arg2);
return JsonNull.INSTANCE;
});
}
private RpcHandlers addHandler(String functionName, Function<JsonElement[], JsonElement> handler) {
if (frozen) {
throw new IllegalStateException("Cannot add handler to frozen RpcHandlers instance");
}
handlers.put(functionName, handler);
return this;
}
Map<String, Function<JsonElement[], JsonElement>> build() {
frozen = true;
return handlers;
}
}

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package com.modrinth.theseus.rpc;
public class RpcMethodException extends RuntimeException {
private static final long serialVersionUID = 1922360184188807964L;
public RpcMethodException(String message) {
super(message);
}
}

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package com.modrinth.theseus.rpc;
import com.google.gson.*;
import com.google.gson.reflect.TypeToken;
import java.io.*;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Function;
public final class TheseusRpc {
static final Gson GSON = new GsonBuilder()
.setStrictness(Strictness.STRICT)
.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
.disableHtmlEscaping()
.create();
private static final TypeToken<RpcMessage> MESSAGE_TYPE = TypeToken.get(RpcMessage.class);
private static final AtomicReference<TheseusRpc> RPC = new AtomicReference<>();
private final BlockingQueue<RpcMessage> mainThreadQueue = new LinkedBlockingQueue<>();
private final Map<UUID, ResponseWaiter<?>> awaitingResponse = new ConcurrentHashMap<>();
private final Map<String, Function<JsonElement[], JsonElement>> handlers;
private final Socket socket;
private TheseusRpc(Socket socket, RpcHandlers handlers) {
this.socket = socket;
this.handlers = handlers.build();
}
public static void connectAndStart(String host, int port, RpcHandlers handlers) throws IOException {
if (RPC.get() != null) {
throw new IllegalStateException("Can only connect to RPC once");
}
final Socket socket = new Socket(host, port);
final TheseusRpc rpc = new TheseusRpc(socket, handlers);
final Thread mainThread = new Thread(rpc::mainThread, "Theseus RPC Main");
final Thread readThread = new Thread(rpc::readThread, "Theseus RPC Read");
mainThread.setDaemon(true);
readThread.setDaemon(true);
mainThread.start();
readThread.start();
RPC.set(rpc);
}
public static TheseusRpc getRpc() {
final TheseusRpc rpc = RPC.get();
if (rpc == null) {
throw new IllegalStateException("Called getRpc before RPC initialized");
}
return rpc;
}
public <T> CompletableFuture<T> callMethod(TypeToken<T> returnType, String method, Object... args) {
final JsonElement[] jsonArgs = new JsonElement[args.length];
for (int i = 0; i < args.length; i++) {
jsonArgs[i] = GSON.toJsonTree(args[i]);
}
final RpcMessage message = new RpcMessage(method, jsonArgs);
final ResponseWaiter<T> responseWaiter = new ResponseWaiter<>(returnType);
awaitingResponse.put(message.id, responseWaiter);
mainThreadQueue.add(message);
return responseWaiter.future;
}
private void mainThread() {
try {
final Writer writer = new OutputStreamWriter(socket.getOutputStream(), StandardCharsets.UTF_8);
while (true) {
final RpcMessage message = mainThreadQueue.take();
final RpcMessage toSend;
if (message.isForSending) {
toSend = message;
} else {
final Function<JsonElement[], JsonElement> handler = handlers.get(message.method);
if (handler == null) {
System.err.println("Unknown theseus RPC method " + message.method);
continue;
}
RpcMessage response;
try {
response = new RpcMessage(message.id, handler.apply(message.args));
} catch (Exception e) {
response = new RpcMessage(message.id, e.toString());
}
toSend = response;
}
GSON.toJson(toSend, writer);
writer.write('\n');
writer.flush();
}
} catch (IOException e) {
failAwaitingResponses(e);
} catch (InterruptedException ignored) {
Thread.currentThread().interrupt();
}
}
private void readThread() {
IOException closed = new EOFException("Theseus RPC connection closed");
try {
final BufferedReader reader =
new BufferedReader(new InputStreamReader(socket.getInputStream(), StandardCharsets.UTF_8));
while (true) {
final String line = reader.readLine();
if (line == null) {
return;
}
final RpcMessage message = GSON.fromJson(line, MESSAGE_TYPE);
if (message == null) {
System.err.println("Received null Theseus RPC message");
continue;
}
if (message.id == null) {
System.err.println("Received Theseus RPC message without an id");
continue;
}
if (message.method == null) {
final ResponseWaiter<?> waiter = awaitingResponse.remove(message.id);
if (waiter != null) {
handleResponse(waiter, message);
}
} else {
mainThreadQueue.put(message);
}
}
} catch (IOException e) {
closed = e;
if (!socket.isClosed()) {
System.err.println("Theseus RPC read failed: " + e);
}
} catch (JsonParseException e) {
System.err.println("Invalid Theseus RPC message: " + e);
} catch (InterruptedException ignored) {
Thread.currentThread().interrupt();
} finally {
failAwaitingResponses(closed);
try {
socket.close();
} catch (IOException ignored) {
}
}
}
private void failAwaitingResponses(IOException error) {
awaitingResponse.forEach((id, waiter) -> waiter.future.completeExceptionally(error));
awaitingResponse.clear();
}
private <T> void handleResponse(ResponseWaiter<T> waiter, RpcMessage message) {
if (message.error != null) {
waiter.future.completeExceptionally(new RpcMethodException(message.error));
return;
}
try {
waiter.future.complete(GSON.fromJson(message.response, waiter.type));
} catch (JsonSyntaxException e) {
waiter.future.completeExceptionally(e);
}
}
private static class RpcMessage {
final UUID id;
final String method; // Optional
final JsonElement[] args; // Optional
final JsonElement response; // Optional
final String error; // Optional
final transient boolean isForSending;
RpcMessage(String method, JsonElement[] args) {
id = UUID.randomUUID();
this.method = method;
this.args = args;
response = null;
error = null;
isForSending = true;
}
RpcMessage(UUID id, JsonElement response) {
this.id = id;
method = null;
args = null;
this.response = response;
error = null;
isForSending = true;
}
RpcMessage(UUID id, String error) {
this.id = id;
method = null;
args = null;
response = null;
this.error = error;
isForSending = true;
}
}
private static class ResponseWaiter<T> {
final TypeToken<T> type;
final CompletableFuture<T> future = new CompletableFuture<>();
ResponseWaiter(TypeToken<T> type) {
this.type = type;
}
}
}

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package com.modrinth.theseus;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import org.junit.jupiter.api.Test;
final class MinecraftLaunchTest {
private static final String PREFIX = "__THESEUS_UTF8__:";
@Test
void decodesUtf8GameArgument() {
final String original = "E:\\Games\\Minecraft\\profiles\\Prominence\u2122 II";
final String encoded = PREFIX + Base64.getEncoder().encodeToString(original.getBytes(StandardCharsets.UTF_8));
assertEquals(original, MinecraftLaunch.decodeGameArgument(encoded));
}
@Test
void leavesAsciiGameArgumentUnchanged() {
assertEquals("--username", MinecraftLaunch.decodeGameArgument("--username"));
}
@Test
void restoresEscapedPrefix() {
final String original = PREFIX + "literal";
final String encoded = PREFIX + Base64.getEncoder().encodeToString(original.getBytes(StandardCharsets.UTF_8));
assertEquals(original, MinecraftLaunch.decodeGameArgument(encoded));
}
}

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package com.modrinth.theseus.rpc;
import static org.junit.jupiter.api.Assertions.assertInstanceOf;
import static org.junit.jupiter.api.Assertions.assertTrue;
import com.google.gson.reflect.TypeToken;
import java.io.BufferedReader;
import java.io.EOFException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.junit.jupiter.api.Test;
final class TheseusRpcTest {
@Test
void eofCompletesPendingResponsesWithoutNullDereference() throws Exception {
try (ServerSocket server = new ServerSocket(0)) {
final Thread peer = new Thread(() -> acceptOneRequestAndClose(server));
peer.start();
TheseusRpc.connectAndStart("127.0.0.1", server.getLocalPort(), new RpcHandlers());
final ExecutionException error =
org.junit.jupiter.api.Assertions.assertThrows(ExecutionException.class, () -> TheseusRpc.getRpc()
.callMethod(TypeToken.get(String.class), "pending")
.get(5, TimeUnit.SECONDS));
assertInstanceOf(EOFException.class, error.getCause());
peer.join(TimeUnit.SECONDS.toMillis(5));
assertTrue(!peer.isAlive());
}
}
private static void acceptOneRequestAndClose(ServerSocket server) {
try (Socket socket = server.accept();
BufferedReader reader =
new BufferedReader(new InputStreamReader(socket.getInputStream(), StandardCharsets.UTF_8))) {
reader.readLine();
} catch (Exception error) {
throw new RuntimeException(error);
}
}
}