0312 加密处理

hch

2024-04-11 4c71d74b77c9eb62a0323698c9a0db3b641a917e

0312 加密处理

 Assets/Editor/AssetBundleBrowser/AssetBundleBuildTab.cs

@@ -14,6 +14,7 @@
using Path = System.IO.Path;
using HybridCLR.Editor.HotUpdate;
using HybridCLR.Editor;
using System.Text;


namespace UnityEngine.AssetBundles
{
@@ -699,6 +700,7 @@

        private void MakeBytesVersionFile()
        {
            ChangeBytes();
            var fileInfos = new List<FileInfo>();
            FileExtersion.GetAllDirectoryFileInfos(StringUtility.Contact(m_UserData.m_OutputPath, "/logicbytes"), fileInfos);
            BytesVersionMaker.WriteAssetsVersionFile(Path.Combine(Directory.GetParent(Application.dataPath).FullName, m_UserData.m_OutputPath), fileInfos);
@@ -909,9 +911,59 @@
            var fileInfos = new List<FileInfo>();
            FileExtersion.GetAllDirectoryFileInfos(m_UserData.m_OutputPath, fileInfos);
            AssetsVersionMaker.WriteAssetsVersionFile(Path.Combine(Directory.GetParent(Application.dataPath).FullName, m_UserData.m_OutputPath), fileInfos);

            Debug.Log("生成AssetsVersion.txt文件完毕");
        }

        void ChangeBytes()

        {

            string path = StringUtility.Contact(m_UserData.m_OutputPath, "/logicbytes/");

            // 原始DLL字节内容文件的路径  
            string originalDllBytesFilePath = path + "Assembly-CSharp.dll.bytes";



            // 临时文件的路径，用于写入"abc"后再追加原始DLL字节内容  
            string tempFilePath = path + "temp_Assembly-CSharp.dll.bytes";



            // 要写入的字符串"abc"  
            string contentToWrite = "abc";



            // 将"abc"转换为字节数组  
            byte[] abcBytes = Encoding.ASCII.GetBytes(contentToWrite);



            // 读取原始DLL字节内容到字节数组  
            byte[] originalDllBytes = File.ReadAllBytes(originalDllBytesFilePath);



            // 将"abc"写入临时文件  
            using (FileStream fs = new FileStream(tempFilePath, FileMode.Create, FileAccess.Write))

            {

                fs.Write(abcBytes, 0, abcBytes.Length);



                // 追加原始DLL字节内容到临时文件  
                fs.Write(originalDllBytes, 0, originalDllBytes.Length);

            }



            ReplaceFile(tempFilePath, originalDllBytesFilePath);

        }



        public void ReplaceFile(string sourceFile, string targetFile)

        {

            // 确保源文件存在  
            if (!File.Exists(sourceFile))

            {

                throw new FileNotFoundException("源文件未找到：" + sourceFile);

            }



            // 如果目标文件存在，则删除它  
            if (File.Exists(targetFile))

            {

                File.Delete(targetFile);

            }



            // 将源文件重命名为目标文件  
            File.Move(sourceFile, targetFile);

        }




        static int packageIndex
        {
            get { return LocalSave.GetInt("ClientPackageIndex", 1); }

 Assets/Launch/LoadDll.cs

@@ -106,8 +106,19 @@
#endif

                else

                {

                    // Or retrieve results as binary data

                    byte[] assetData = www.downloadHandler.data;

                    // 特殊处理

                    byte[] assetData;

                    if (asset == "Assembly-CSharp.dll.bytes")

                    {

                        assetData = new byte[www.downloadHandler.data.Length - 3];

                        Array.Copy(assetData, 3, www.downloadHandler.data, 0, www.downloadHandler.data.Length);



                    }

                    else

                    { 
                        assetData = www.downloadHandler.data;

                    }



                    Debug.Log($"dll:{asset}  size:{assetData.Length}");

                    s_assetDatas[asset] = assetData;

                }