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增加MiniGameFileSystem的支持，增加EncryptType的解密枚举类型，以及ResourceModule解密方法实现

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增加MiniGameFileSystem的支持，增加EncryptType的解密枚举类型，以及ResourceModule解密方法实现
This commit is contained in:
Alex-Rachel
2025-03-19 12:40:13 +08:00
parent 36db2f3aba
commit f2a63978da
8 changed files with 148 additions and 8 deletions
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4
UnityProject/Assets/TEngine/Editor/Inspector/ResourceModuleDriverInspector.cs
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@@ -17,6 +17,7 @@ namespace TEngine.Editor.Inspector
};
private SerializedProperty _playMode = null;
private SerializedProperty _encryptionType = null;
private SerializedProperty _updatableWhilePlaying = null;
private SerializedProperty _milliseconds = null;
private SerializedProperty _minUnloadUnusedAssetsInterval = null;
@@ -56,6 +57,8 @@ namespace TEngine.Editor.Inspector
_playMode.enumValueIndex = selectedIndex;
}
}
EditorGUILayout.PropertyField(_encryptionType);
}
EditorGUILayout.PropertyField(_updatableWhilePlaying);
@@ -220,6 +223,7 @@ namespace TEngine.Editor.Inspector
private void OnEnable()
{
_playMode = serializedObject.FindProperty("playMode");
_encryptionType = serializedObject.FindProperty("encryptionType");
_updatableWhilePlaying = serializedObject.FindProperty("updatableWhilePlaying");
_milliseconds = serializedObject.FindProperty("milliseconds");
_minUnloadUnusedAssetsInterval = serializedObject.FindProperty("minUnloadUnusedAssetsInterval");

27
UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/EncryptionType.cs Normal file
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@@ -0,0 +1,27 @@
namespace TEngine
{
/// <summary>
/// 资源模块的加密类型枚举。
/// <remarks>用于定义资源加载时的不同加密方式。</remarks>
/// </summary>
public enum EncryptionType
{
/// <summary>
/// 无加密。
/// <remarks>资源将以原始形式加载，不进行任何加密处理。</remarks>
/// </summary>
None,
/// <summary>
/// 文件偏移加密。
/// <remarks>通过在文件开头添加偏移量来隐藏真实文件内容的加密方式。</remarks>
/// </summary>
FileOffSet,
/// <summary>
/// 文件流加密。
/// <remarks>使用加密流对文件内容进行加密处理的加密方式。</remarks>
/// </summary>
FileStream,
}
}

3
UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/EncryptionType.cs.meta Normal file
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@@ -0,0 +1,3 @@
fileFormatVersion: 2
guid: 18468bde9ea948729cd7eab8a2d6e598
timeCreated: 1742356779

5
UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/IResourceModule.cs
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@@ -25,6 +25,11 @@ namespace TEngine
/// 获取或设置运行模式。
/// </summary>
EPlayMode PlayMode { get; set; }
/// <summary>
/// 资源加密方式。
/// </summary>
EncryptionType EncryptionType { get; set; }
/// <summary>
/// 是否边玩边下载。

58
UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/ResourceModule.Services.cs
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@@ -179,6 +179,55 @@ namespace TEngine
return 32;
}
}
#region WebDecryptionServices
/// <summary>
/// 资源文件偏移加载解密类
/// </summary>
public class FileOffsetWebDecryption : IWebDecryptionServices
{
public WebDecryptResult LoadAssetBundle(WebDecryptFileInfo fileInfo)
{
int offset = GetFileOffset();
byte[] decryptedData = new byte[fileInfo.FileData.Length - offset];
Buffer.BlockCopy(fileInfo.FileData, offset, decryptedData, 0, decryptedData.Length);
// 从内存中加载AssetBundle
WebDecryptResult decryptResult = new WebDecryptResult();
decryptResult.Result = AssetBundle.LoadFromMemory(decryptedData);
return decryptResult;
}
private static int GetFileOffset()
{
return 32;
}
}
public class FileStreamWebDecryption : IWebDecryptionServices
{
public WebDecryptResult LoadAssetBundle(WebDecryptFileInfo fileInfo)
{
// 优化：使用Buffer批量操作替代逐字节异或
byte[] decryptedData = new byte[fileInfo.FileData.Length];
Buffer.BlockCopy(fileInfo.FileData, 0, decryptedData, 0, fileInfo.FileData.Length);
// 批量异或解密（性能优化）
int batchSize = sizeof(ulong);
int length = decryptedData.Length / batchSize * batchSize;
for (int i = 0; i < length; i += batchSize)
{
ulong value = BitConverter.ToUInt64(decryptedData, i);
value ^= BundleStream.KEY;
Buffer.BlockCopy(BitConverter.GetBytes(value), 0, decryptedData, i, batchSize);
}
WebDecryptResult decryptResult = new WebDecryptResult();
decryptResult.Result = AssetBundle.LoadFromMemory(decryptedData);
return decryptResult;
}
}
#endregion
}
/// <summary>
@@ -200,9 +249,14 @@ public class BundleStream : FileStream
public override int Read(byte[] array, int offset, int count)
{
var index = base.Read(array, offset, count);
for (int i = 0; i < array.Length; i++)
// 批量异或解密（性能优化）
int batchSize = sizeof(ulong);
int length = array.Length / batchSize * batchSize;
for (int i = 0; i < length; i += batchSize)
{
array[i] ^= KEY;
ulong value = BitConverter.ToUInt64(array, i);
value ^= BundleStream.KEY;
Buffer.BlockCopy(BitConverter.GetBytes(value), 0, array, i, batchSize);
}
return index;

47
UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/ResourceModule.cs
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@@ -5,6 +5,9 @@ using System.Threading;
using Cysharp.Threading.Tasks;
using UnityEngine;
using YooAsset;
#if UNITY_WEBGL && WEIXINMINIGAME && !UNITY_EDITOR
using WeChatWASM;
#endif
namespace TEngine
{
@@ -22,6 +25,8 @@ namespace TEngine
/// 资源系统运行模式。
/// </summary>
public EPlayMode PlayMode { get; set; } = EPlayMode.OfflinePlayMode;
public EncryptionType EncryptionType { get; set; } = EncryptionType.None;
/// <summary>
/// 设置异步系统参数，每帧执行消耗的最大时间切片（单位：毫秒）
@@ -164,12 +169,14 @@ namespace TEngine
createParameters.EditorFileSystemParameters = FileSystemParameters.CreateDefaultEditorFileSystemParameters(packageRoot);
initializationOperation = package.InitializeAsync(createParameters);
}
IDecryptionServices decryptionServices = CreateDecryptionServices();
// 单机运行模式
if (playMode == EPlayMode.OfflinePlayMode)
{
var createParameters = new OfflinePlayModeParameters();
createParameters.BuildinFileSystemParameters = FileSystemParameters.CreateDefaultBuildinFileSystemParameters();
createParameters.BuildinFileSystemParameters = FileSystemParameters.CreateDefaultBuildinFileSystemParameters(decryptionServices);
initializationOperation = package.InitializeAsync(createParameters);
}
@@ -180,8 +187,8 @@ namespace TEngine
string fallbackHostServer = FallbackHostServerURL;
IRemoteServices remoteServices = new RemoteServices(defaultHostServer, fallbackHostServer);
var createParameters = new HostPlayModeParameters();
createParameters.BuildinFileSystemParameters = FileSystemParameters.CreateDefaultBuildinFileSystemParameters();
createParameters.CacheFileSystemParameters = FileSystemParameters.CreateDefaultCacheFileSystemParameters(remoteServices);
createParameters.BuildinFileSystemParameters = FileSystemParameters.CreateDefaultBuildinFileSystemParameters(decryptionServices);
createParameters.CacheFileSystemParameters = FileSystemParameters.CreateDefaultCacheFileSystemParameters(remoteServices, decryptionServices);
initializationOperation = package.InitializeAsync(createParameters);
}
@@ -190,10 +197,14 @@ namespace TEngine
{
var createParameters = new WebPlayModeParameters();
#if UNITY_WEBGL && WEIXINMINIGAME && !UNITY_EDITOR
IWebDecryptionServices webDecryptionServices = CreateWebDecryptionServices();
// 注意：如果有子目录，请修改此处！
string packageRoot = $"{WeChatWASM.WX.env.USER_DATA_PATH}/__GAME_FILE_CACHE";
string defaultHostServer = HostServerURL;
string fallbackHostServer = FallbackHostServerURL;
IRemoteServices remoteServices = new RemoteServices(defaultHostServer, fallbackHostServer);
createParameters.WebServerFileSystemParameters = WechatFileSystemCreater.CreateWechatFileSystemParameters(remoteServices);
createParameters.WebServerFileSystemParameters = WechatFileSystemCreater.CreateFileSystemParameters(packageRoot, remoteServices, webDecryptionServices);
#else
createParameters.WebServerFileSystemParameters = FileSystemParameters.CreateDefaultWebServerFileSystemParameters();
#endif
@@ -207,6 +218,32 @@ namespace TEngine
return initializationOperation;
}
/// <summary>
/// 创建解密服务。
/// </summary>
private IDecryptionServices CreateDecryptionServices()
{
return EncryptionType switch
{
EncryptionType.FileOffSet => new FileOffsetDecryption(),
EncryptionType.FileStream => new FileStreamDecryption(),
_ => null
};
}
/// <summary>
/// 创建Web解密服务。
/// </summary>
private IWebDecryptionServices CreateWebDecryptionServices()
{
return EncryptionType switch
{
EncryptionType.FileOffSet => new FileOffsetWebDecryption(),
EncryptionType.FileStream => new FileStreamWebDecryption(),
_ => null
};
}
/// <summary>
/// 获取当前资源包版本。
/// </summary>

9
UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/ResourceModuleDriver.cs
View File

@@ -89,6 +89,14 @@ namespace TEngine
#endif
}
}
[SerializeField]
private EncryptionType encryptionType = EncryptionType.None;
/// <summary>
/// 资源模块的加密类型。
/// </summary>
public EncryptionType EncryptionType => encryptionType;
/// <summary>
/// 是否支持边玩边下载。
@@ -238,6 +246,7 @@ namespace TEngine
_resourceModule.DefaultPackageName = PackageName;
_resourceModule.PlayMode = PlayMode;
_resourceModule.EncryptionType = encryptionType;
_resourceModule.Milliseconds = milliseconds;
_resourceModule.HostServerURL = Settings.UpdateSetting.GetResDownLoadPath();
_resourceModule.FallbackHostServerURL = Settings.UpdateSetting.GetFallbackResDownLoadPath();

3
UnityProject/Assets/TEngine/Runtime/TEngine.Runtime.asmdef
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@@ -4,7 +4,8 @@
"references": [
"GUID:e34a5702dd353724aa315fb8011f08c3",
"GUID:f51ebe6a0ceec4240a699833d6309b23",
"GUID:6055be8ebefd69e48b49212b09b47b2f"
"GUID:6055be8ebefd69e48b49212b09b47b2f",
"GUID:5efd170ecd8084500bed5692932fe14e"
],
"includePlatforms": [],
"excludePlatforms": [],