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obfuz4hybridclr
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初始化仓库

main
walon 2025-06-02 09:51:06 +08:00
parent ec323d4a43
commit 05de462cf1
10 changed files with 295 additions and 0 deletions
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Editor.meta Normal file
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Editor/ObfuscateUtil.cs Normal file
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using HybridCLR.Editor;
using Obfuz.Settings;
using Obfuz;
using System;
using System.Collections.Generic;
using UnityEditor;
using System.IO;
using UnityEngine;
using Obfuz.Unity;
namespace Obfuz4HybridCLR
{
public static class ObfuscateUtil
{
public static bool AreSameDirectory(string path1, string path2)
{
try
{
var dir1 = new DirectoryInfo(path1);
var dir2 = new DirectoryInfo(path2);
return dir1.FullName.TrimEnd('\\') == dir2.FullName.TrimEnd('\\');
}
catch
{
return false;
}
}
public static void ObfuscateHotUpdateAssemblies(BuildTarget target, string outputDir)
{
string hotUpdateDllPath = SettingsUtil.GetHotUpdateDllsOutputDirByTarget(target);
AssemblySettings assemblySettings = ObfuzSettings.Instance.assemblySettings;
ObfuscationProcess.ValidateReferences(hotUpdateDllPath, new HashSet<string>(assemblySettings.GetAssembliesToObfuscate()), new HashSet<string>(assemblySettings.GetObfuscationRelativeAssemblyNames()));
var assemblySearchPaths = new List<string>
{
hotUpdateDllPath,
};
if (AreSameDirectory(hotUpdateDllPath, outputDir))
{
throw new Exception($"hotUpdateDllPath:{hotUpdateDllPath} can't be same to outputDir:{outputDir}");
}
Obfuscate(target, assemblySearchPaths, outputDir);
foreach (string hotUpdateAssemblyName in SettingsUtil.HotUpdateAssemblyNamesExcludePreserved)
{
string srcFile = $"{hotUpdateDllPath}/{hotUpdateAssemblyName}.dll";
string dstFile = $"{outputDir}/{hotUpdateAssemblyName}.dll";
// only copy non obfuscated assemblies
if (File.Exists(srcFile) && !File.Exists(dstFile))
{
File.Copy(srcFile, dstFile, true);
Debug.Log($"[CompileAndObfuscateDll] Copy nonObfuscated assembly {srcFile} to {dstFile}");
}
}
}
public static void Obfuscate(BuildTarget target, List<string> assemblySearchPaths, string obfuscatedAssemblyOutputPath)
{
var obfuzSettings = ObfuzSettings.Instance;
var assemblySearchDirs = assemblySearchPaths;
ObfuscatorBuilder builder = ObfuscatorBuilder.FromObfuzSettings(obfuzSettings, target, true);
builder.InsertTopPriorityAssemblySearchPaths(assemblySearchDirs);
builder.CoreSettingsFacade.obfuscatedAssemblyOutputPath = obfuscatedAssemblyOutputPath;
foreach (var assemblySearchDir in builder.CoreSettingsFacade.assemblySearchPaths)
{
if (AreSameDirectory(assemblySearchDir, obfuscatedAssemblyOutputPath))
{
throw new Exception($"assemblySearchDir:{assemblySearchDir} can't be same to ObfuscatedAssemblyOutputPath:{obfuscatedAssemblyOutputPath}");
}
}
Obfuscator obfuz = builder.Build();
obfuz.Run();
}
}
}

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Editor/Obfuz4HybridCLR.asmdef Normal file
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{
"name": "Obfuz4HybridCLR.Editor",
"rootNamespace": "",
"references": [
"GUID:2373f786d14518f44b0f475db77ba4de",
"GUID:66e09fc524ec6594b8d6ca1d91aa1a41"
],
"includePlatforms": [
"Editor"
],
"excludePlatforms": [],
"allowUnsafeCode": false,
"overrideReferences": false,
"precompiledReferences": [],
"autoReferenced": true,
"defineConstraints": [],
"versionDefines": [],
"noEngineReferences": false
}

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using HybridCLR.Editor.Commands;
using HybridCLR.Editor;
using Obfuz.Settings;
using Obfuz;
using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using System.Reflection;
using System;
using System.IO;
using HybridCLR.Editor.Link;
using HybridCLR.Editor.Meta;
using UnityEditor.Build;
using HybridCLR.Editor.Installer;
using HybridCLR.Editor.MethodBridge;
using System.Linq;
using Analyzer = HybridCLR.Editor.MethodBridge.Analyzer;
using HybridCLR.Editor.Settings;
using Obfuz.Utils;
using FileUtil = Obfuz.Utils.FileUtil;
using IAssemblyResolver = HybridCLR.Editor.Meta.IAssemblyResolver;
using CombinedAssemblyResolver = HybridCLR.Editor.Meta.CombinedAssemblyResolver;
using MetaUtil = HybridCLR.Editor.Meta.MetaUtil;
using AssemblyCache = HybridCLR.Editor.Meta.AssemblyCache;
namespace Obfuz4HybridCLR
{
public static class PrebuildCommandExt
{
public static string GetObfuscatedHotUpdateAssemblyOutputPath(BuildTarget target)
{
return $"{ObfuzSettings.Instance.ObfuzRootDir}/{target}/ObfuscatedHotUpdateAssemblies";
}
[MenuItem("HybridCLR/ObfuzExtension/GenerateAll")]
public static void GenerateAll()
{
var installer = new InstallerController();
if (!installer.HasInstalledHybridCLR())
{
throw new BuildFailedException($"You have not initialized HybridCLR, please install it via menu 'HybridCLR/Installer'");
}
BuildTarget target = EditorUserBuildSettings.activeBuildTarget;
CompileDllCommand.CompileDll(target);
Il2CppDefGeneratorCommand.GenerateIl2CppDef();
LinkGeneratorCommand.GenerateLinkXml(target);
StripAOTDllCommand.GenerateStripedAOTDlls(target);
AOTReferenceGeneratorCommand.GenerateAOTGenericReference(target);
string obfuscatedHotUpdateDllPath = GetObfuscatedHotUpdateAssemblyOutputPath(target);
ObfuscateUtil.ObfuscateHotUpdateAssemblies(target, obfuscatedHotUpdateDllPath);
GenerateMethodBridgeAndReversePInvokeWrapper(target, obfuscatedHotUpdateDllPath);
}
[MenuItem("HybridCLR/ObfuzExtension/CompileAndObfuscateDll")]
public static void CompileAndObfuscateDll()
{
BuildTarget target = EditorUserBuildSettings.activeBuildTarget;
CompileDllCommand.CompileDll(target);
string obfuscatedHotUpdateDllPath = GetObfuscatedHotUpdateAssemblyOutputPath(target);
ObfuscateUtil.ObfuscateHotUpdateAssemblies(target, obfuscatedHotUpdateDllPath);
}
public static IAssemblyResolver CreateObfuscatedHotUpdateAssemblyResolver(BuildTarget target, List<string> obfuscatedHotUpdateAssemblies, string obfuscatedHotUpdateDllPath)
{
return new FixedSetAssemblyResolver(obfuscatedHotUpdateDllPath, obfuscatedHotUpdateAssemblies);
}
public static IAssemblyResolver CreateObfuscatedHotUpdateAndAOTAssemblyResolver(BuildTarget target, List<string> hotUpdateAssemblies, List<string> assembliesToObfuscate, string obfuscatedHotUpdateDllPath)
{
return new CombinedAssemblyResolver(
CreateObfuscatedHotUpdateAssemblyResolver(target, hotUpdateAssemblies.Intersect(assembliesToObfuscate).ToList(), obfuscatedHotUpdateDllPath),
MetaUtil.CreateHotUpdateAssemblyResolver(target, hotUpdateAssemblies.Except(assembliesToObfuscate).ToList()),
MetaUtil.CreateAOTAssemblyResolver(target)
);
}
public static void GenerateMethodBridgeAndReversePInvokeWrapper(BuildTarget target, string obfuscatedHotUpdateDllPath)
{
string aotDllDir = SettingsUtil.GetAssembliesPostIl2CppStripDir(target);
List<string> aotAssemblyNames = Directory.Exists(aotDllDir) ?
Directory.GetFiles(aotDllDir, "*.dll", SearchOption.TopDirectoryOnly).Select(Path.GetFileNameWithoutExtension).ToList()
: new List<string>();
if (aotAssemblyNames.Count == 0)
{
throw new Exception($"no aot assembly found. please run `HybridCLR/Generate/All` or `HybridCLR/Generate/AotDlls` to generate aot dlls before runing `HybridCLR/Generate/MethodBridge`");
}
AssemblyReferenceDeepCollector collector = new AssemblyReferenceDeepCollector(MetaUtil.CreateAOTAssemblyResolver(target), aotAssemblyNames);
var methodBridgeAnalyzer = new Analyzer(new Analyzer.Options
{
MaxIterationCount = Math.Min(20, SettingsUtil.HybridCLRSettings.maxMethodBridgeGenericIteration),
Collector = collector,
});
methodBridgeAnalyzer.Run();
List<string> hotUpdateDlls = SettingsUtil.HotUpdateAssemblyNamesExcludePreserved;
var cache = new AssemblyCache(CreateObfuscatedHotUpdateAndAOTAssemblyResolver(target, hotUpdateDlls, ObfuzSettings.Instance.assemblySettings.GetAssembliesToObfuscate(), obfuscatedHotUpdateDllPath));
var reversePInvokeAnalyzer = new MonoPInvokeCallbackAnalyzer(cache, hotUpdateDlls);
reversePInvokeAnalyzer.Run();
var calliAnalyzer = new CalliAnalyzer(cache, hotUpdateDlls);
calliAnalyzer.Run();
var pinvokeAnalyzer = new PInvokeAnalyzer(cache, hotUpdateDlls);
pinvokeAnalyzer.Run();
var callPInvokeMethodSignatures = pinvokeAnalyzer.PInvokeMethodSignatures;
string templateFile = $"{SettingsUtil.TemplatePathInPackage}/MethodBridge.cpp.tpl";
string outputFile = $"{SettingsUtil.GeneratedCppDir}/MethodBridge.cpp";
var callNativeMethodSignatures = calliAnalyzer.CalliMethodSignatures.Concat(pinvokeAnalyzer.PInvokeMethodSignatures).ToList();
var generateMethodBridgeMethod = typeof(MethodBridgeGeneratorCommand).GetMethod("GenerateMethodBridgeCppFile", BindingFlags.NonPublic | BindingFlags.Static);
generateMethodBridgeMethod.Invoke(null, new object[] { methodBridgeAnalyzer.GenericMethods, reversePInvokeAnalyzer.ReversePInvokeMethods, callNativeMethodSignatures, templateFile, outputFile });
MethodBridgeGeneratorCommand.CleanIl2CppBuildCache();
}
}
}

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{
"name": "com.code-philosophy.obfuz4hybridclr",
"version": "1.0.0",
"displayName": "Obfuz4HybridCLR",
"description": "Obfuz4HybridCLR is a obfuz extension for HybridCLR",
"category": "Scripting",
"documentationUrl": "https://www.obfuz.com",
"changelogUrl": "https://github.com/focus-creative-games/obfuz/commits/main/",
"licensesUrl": "https://github.com/focus-creative-games/obfuz/blob/main/com.code-philosophy.obfuz4hybridclr/LICENSE",
"keywords": [
"obfuz",
"obfuscation",
"obfuscator",
"confuser",
"code-philosophy"
],
"author": {
"name": "Code Philosophy",
"email": "obfuz@code-philosophy.com",
"url": "https://code-philosophy.com"
}
}

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