[FIX] Влезаем в лаунчер через agent. (#202)

* [FIX] Правки градла.

* [FEATURE] Скрипт для скачивания.

* [DOCS] Правки readme.

* [FIX][DOCS] Удален неактуальная папка docs.

* [DOCS] Готов readme.

* [FIX] Launcher sign.

* [FEATURE] Модули по новому.

* [FIX] Способ влезть в лаунчер через agent.

* [ANY] Обновлены модули (там фикс JarSigner).

* [FEATURE] ListDownloader.

LaunchServer/build.gradle

@@ -1,6 +1,8 @@
 def mainClassName = "ru.gravit.launchserver.LaunchServer"
 def mainAgentName = "ru.gravit.launchserver.StarterAgent"
 
+evaluationDependsOn(':Launcher')
+
 repositories {
 	maven {
 		url "https://oss.sonatype.org/content/repositories/snapshots"

Launcher/src/main/java/ru/gravit/launcher/ClientLauncherWrapper.java

@@ -15,6 +15,8 @@
 import java.util.List;
 
 public class ClientLauncherWrapper {
+	public static final String MAGIC_ARG = "-Djdk.attach.allowAttachSelf";
+	
     public static void main(String[] arguments) throws IOException, InterruptedException {
         LogHelper.printVersion("Launcher");
         LogHelper.printLicense("Launcher");
@@ -36,6 +38,8 @@ public static void main(String[] arguments) throws IOException, InterruptedExcep
         JVMHelper.addSystemPropertyToArgs(args, DirBridge.CUSTOMDIR_PROPERTY);
         JVMHelper.addSystemPropertyToArgs(args, DirBridge.USE_CUSTOMDIR_PROPERTY);
         JVMHelper.addSystemPropertyToArgs(args, DirBridge.USE_OPTDIR_PROPERTY);
+        Collections.addAll(args, MAGIC_ARG);
+        Collections.addAll(args, "-XX:+DisableAttachMechanism");
         Collections.addAll(args, "-javaagent:".concat(pathLauncher));
         Collections.addAll(args, "-cp");
         Collections.addAll(args, pathLauncher);

Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java

@@ -11,6 +11,7 @@
 import ru.gravit.launcher.profiles.ClientProfile;
 import ru.gravit.launcher.profiles.PlayerProfile;
 import ru.gravit.launcher.request.Request;
+import ru.gravit.launcher.request.update.LegacyLauncherRequest;
 import ru.gravit.launcher.serialize.HInput;
 import ru.gravit.launcher.serialize.HOutput;
 import ru.gravit.launcher.serialize.stream.StreamObject;
@@ -34,8 +35,6 @@
 import java.nio.file.attribute.BasicFileAttributes;
 import java.nio.file.attribute.PosixFilePermission;
 import java.util.*;
-import java.util.Timer;
-import java.util.concurrent.TimeUnit;
 
 public final class ClientLauncher {
     private static Gson gson = new Gson();
@@ -301,7 +300,6 @@ private static void launch(ClientProfile profile, Params params) throws Throwabl
     public static Process launch(
             HashedDir assetHDir, HashedDir clientHDir,
             ClientProfile profile, Params params, boolean pipeOutput) throws Throwable {
-        // Write params file (instead of CLI; Mustdie32 API can't handle command line > 32767 chars)
         LogHelper.debug("Writing ClientLauncher params");
         ClientLauncherContext context = new ClientLauncherContext();
         clientStarted = false;
@@ -368,6 +366,7 @@ public static Process launch(
         // Add classpath and main class
         String pathLauncher = IOHelper.getCodeSource(ClientLauncher.class).toString();
         context.pathLauncher = pathLauncher;
+        Collections.addAll(context.args, ClientLauncherWrapper.MAGIC_ARG);
         Collections.addAll(context.args, profile.getJvmArgs());
         profile.pushOptionalJvmArgs(context.args);
         Collections.addAll(context.args, "-Djava.library.path=".concat(params.clientDir.resolve(NATIVES_DIR).toString())); // Add Native Path
@@ -434,7 +433,6 @@ public static void main(String... args) throws Throwable {
         engine.runtimeProvider.init(true);
         engine.runtimeProvider.preLoad();
         LauncherGuardManager.initGuard(true);
-        // Read and delete params file
         LogHelper.debug("Reading ClientLauncher params");
         Params params;
         ClientProfile profile;
@@ -445,8 +443,6 @@ public static void main(String... args) throws Throwable {
                 try (HInput input = new HInput(socket.getInputStream())) {
                     params = new Params(input);
                     profile = gson.fromJson(input.readString(0), ClientProfile.class);
-
-                    // Read hdirs
                     assetHDir = new HashedDir(input);
                     clientHDir = new HashedDir(input);
                 }
@@ -462,8 +458,8 @@ public static void main(String... args) throws Throwable {
         Launcher.modulesManager.initModules();
         // Verify ClientLauncher sign and classpath
         LogHelper.debug("Verifying ClientLauncher sign and classpath");
-        //TODO: GO TO DIGEST
-        //SecurityHelper.verifySign(LegacyLauncherRequest.BINARY_PATH, params.launcherDigest, publicKey);
+        //Warning - experimental.
+        SecurityHelper.verifySign(LegacyLauncherRequest.BINARY_PATH, params.launcherDigest, Launcher.getConfig().publicKey);
         LinkedList<Path> classPath = resolveClassPathList(params.clientDir, profile.getClassPath());
         for (Path classpathURL : classPath) {
             LauncherAgent.addJVMClassPath(classpathURL.toAbsolutePath().toString());

LauncherAPI/build.gradle

@@ -4,6 +4,7 @@
 dependencies {
 	compile project(':libLauncher')
 	compile 'org.java-websocket:Java-WebSocket:1.3.9'
+	compile 'org.apache.httpcomponents:httpclient:4.5.7'
 	compileOnly 'com.google.guava:guava:26.0-jre'
 	compile files('../compat/authlib/authlib-clean.jar')
 }

LauncherAPI/src/main/java/ru/gravit/launcher/downloader/ListDownloader.java

@@ -0,0 +1,52 @@
+package ru.gravit.launcher.downloader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Path;
+import java.util.List;
+
+import org.apache.http.HttpResponse;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.ResponseHandler;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.impl.client.LaxRedirectStrategy;
+
+import ru.gravit.utils.helper.IOHelper;
+
+public class ListDownloader {
+    public void download(String base, List<String> applies, Path dstDirFile) throws IOException, URISyntaxException {
+        try(CloseableHttpClient httpclient = HttpClients.custom()
+                .setRedirectStrategy(new LaxRedirectStrategy())
+                .build()) {
+        
+            HttpGet get = null; 
+            for (String apply : applies) {
+            	URI u = new URL(base.concat(apply)).toURI();
+            	if (get == null) get = new HttpGet(u);
+            	else {
+            		get.reset();
+            		get.setURI(u);
+            	}
+            	httpclient.execute(get, new FileDownloadResponseHandler(dstDirFile.resolve(apply)));
+        	}
+        } 
+    }
+    
+    static class FileDownloadResponseHandler implements ResponseHandler<Path> {
+        private final Path target;
+        public FileDownloadResponseHandler(Path target) {
+            this.target = target;
+        }
+        @Override
+        public Path handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
+            InputStream source = response.getEntity().getContent();
+            IOHelper.transfer(source, this.target);
+            return this.target;
+        }
+    }
+}

README.md

@@ -1,4 +1,9 @@
 # Modification of the launcher sashok724's v3 from Gravit [![Build Status](https://travis-ci.com/GravitLauncher/Launcher.svg?branch=master)](https://travis-ci.com/GravitLauncher/Launcher)
 * Discord channel: https://discord.gg/aJK6nMN
 * [See license](LICENSE)
-* Changes: [ru-ru](docs/RU-changes.md#Изменения) [en-us](docs/EN-changes.md#changes)
+* [See code of conduct](CODE_OF_CONDUCT.md)
+* [WIKI](https://launcher.gravit.pro)
+* Get it (requires cURL):
+```sh
+curl -s https://raw.githubusercontent.com/GravitLauncher/Launcher/master/get_it.sh | sh
+```

docs/EN-changes.md

@@ -1,19 +0,0 @@
-# Changes
-* Build with Gradle
-* The code is free of many dirty "hacks" that depend on the implementation and undocumented features of a particular JVM
-* Removed JVM installation
-* Brute-force attack protection
-* Launcher compiles and runs with JDK 10
-* Patched launchwrapper with Java 10 support
-* ClassPath is not visible in the start line
-* Symlinks are fully allowed without restrictions
-* Removed an undocumented feature which allowed to use JavaScript plugins on server side
-* Various improvements and bugfixes
-* Split into 5 modules instead of two
-* The old bypasses don't work
-* Partially modified structure of the classes
-* Bug fixes in the main branch of the launcher
-* Ability to install different skins on different servers
-* Send HWID
-* Flexible exe settings when building
-* And much more!

docs/RU-changes.md

@@ -1,19 +0,0 @@
-# Изменения
-* Сборка Gradle
-* Код избавлен от множества грязных "хаков", зависящих от реализации и недокументированных особенностей конкретной JVM
-* Вырезана установка своей JVM
-* Защита от брута пароля
-* Лаунчер комплируется и запускается с JDK 10
-* Патч launchwrapper с поддержкой Java 10
-* ClassPath не виден в строке запуска
-* Полностью разрешены симлинки без ограничений
-* Вырезана недокументированная возможность использования JavaScript плагинов на стороне сервера
-* Различные исправления и доработки
-* Разбиение на 5 модулей вместо двух
-* Старые обходы не работают
-* Частично изменена структура классов
-* Исправления багов из основной ветки лаунчера
-* Возможность устанавливать разные скины на разные сервера
-* Отправка HWID
-* Гибкая настройка параметров exe при сборке
-* И многое другое!

get_it.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+git clone https://github.com/GravitLauncher/Launcher.git
+sed -i 's/git@github.com:/https:\/\/github.com\//' .gitmodules
+git submodule update --init --recursive

module.gradle

@@ -0,0 +1,7 @@
+dependencies {
+	compileOnly project(':LaunchServer')
+}
+jar {
+    from { configurations.runtime.collect { it.isDirectory() ? it : zipTree(it) } }
+}
+

modules

@@ -1 +1 @@
-Subproject commit be22f5b74912bda8df26ce888af994f330cc8934
+Subproject commit 8df678bed74b671ba0f0866f8f215fd42e467c03