update file system

WebGL网页平台支持资源加密。

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/DefaultWebRemoteFileSystem.cs

@@ -47,6 +47,11 @@ namespace YooAsset
         /// 自定义参数：跨域下载服务接口
         /// </summary>
         public IRemoteServices RemoteServices { private set; get; } = null;
+
+        /// <summary>
+        ///  自定义参数：解密方法类
+        /// </summary>
+        public IWebDecryptionServices DecryptionServices { private set; get; }
         #endregion
 
 
@@ -108,6 +113,10 @@ namespace YooAsset
             {
                 RemoteServices = (IRemoteServices)value;
             }
+            else if (name == FileSystemParametersDefine.DECRYPTION_SERVICES)
+            {
+                DecryptionServices = (IWebDecryptionServices)value;
+            }
             else
             {
                 YooLogger.Warning($"Invalid parameter : {name}");

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSLoadBundleOperation.cs

@@ -1,6 +1,4 @@
 
-using UnityEngine;
-
 namespace YooAsset
 {
     internal class DWRFSLoadAssetBundleOperation : FSLoadBundleOperation
@@ -8,13 +6,13 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            DownloadFile,
+            DownloadAssetBundle,
             Done,
         }
 
         private readonly DefaultWebRemoteFileSystem _fileSystem;
         private readonly PackageBundle _bundle;
-        private DownloadHandlerAssetBundleOperation _downloadhanlderAssetBundleOp;
+        private DownloadAssetBundleOperation _downloadAssetBundleOp;
         private ESteps _steps = ESteps.None;
 
 
@@ -25,38 +23,47 @@ namespace YooAsset
         }
         internal override void InternalOnStart()
         {
-            _steps = ESteps.DownloadFile;
+            _steps = ESteps.DownloadAssetBundle;
         }
         internal override void InternalOnUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.DownloadFile)
+            if (_steps == ESteps.DownloadAssetBundle)
             {
-                if (_downloadhanlderAssetBundleOp == null)
+                if (_downloadAssetBundleOp == null)
                 {
                     DownloadParam downloadParam = new DownloadParam(int.MaxValue, 60);
                     downloadParam.MainURL = _fileSystem.RemoteServices.GetRemoteMainURL(_bundle.FileName);
                     downloadParam.FallbackURL = _fileSystem.RemoteServices.GetRemoteFallbackURL(_bundle.FileName);
-                    _downloadhanlderAssetBundleOp = new DownloadHandlerAssetBundleOperation(_fileSystem.DisableUnityWebCache, _bundle, downloadParam);
+
-                    OperationSystem.StartOperation(_fileSystem.PackageName, _downloadhanlderAssetBundleOp);
+                    if (_bundle.Encrypted)
+                    {
+                        _downloadAssetBundleOp = new DownloadWebEncryptAssetBundleOperation(_fileSystem.DecryptionServices, _bundle, downloadParam);
+                        OperationSystem.StartOperation(_fileSystem.PackageName, _downloadAssetBundleOp);
+                    }
+                    else
+                    {
+                        _downloadAssetBundleOp = new DownloadWebNormalAssetBundleOperation(_fileSystem.DisableUnityWebCache, _bundle, downloadParam);
+                        OperationSystem.StartOperation(_fileSystem.PackageName, _downloadAssetBundleOp);
+                    }
                 }
 
-                DownloadProgress = _downloadhanlderAssetBundleOp.DownloadProgress;
+                DownloadProgress = _downloadAssetBundleOp.DownloadProgress;
-                DownloadedBytes = _downloadhanlderAssetBundleOp.DownloadedBytes;
+                DownloadedBytes = _downloadAssetBundleOp.DownloadedBytes;
-                Progress = _downloadhanlderAssetBundleOp.Progress;
+                Progress = _downloadAssetBundleOp.Progress;
-                if (_downloadhanlderAssetBundleOp.IsDone == false)
+                if (_downloadAssetBundleOp.IsDone == false)
                     return;
 
-                if (_downloadhanlderAssetBundleOp.Status == EOperationStatus.Succeed)
+                if (_downloadAssetBundleOp.Status == EOperationStatus.Succeed)
                 {
-                    var assetBundle = _downloadhanlderAssetBundleOp.Result;
+                    var assetBundle = _downloadAssetBundleOp.Result;
                     if(assetBundle == null)
                     {
                         _steps = ESteps.Done;
                         Status = EOperationStatus.Failed;
-                        Error = $"{nameof(DownloadHandlerAssetBundleOperation)} loaded asset bundle is null !";
+                        Error = $"{nameof(DownloadAssetBundleOperation)} loaded asset bundle is null !";
                     }
                     else
                     {
@@ -69,7 +76,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = _downloadhanlderAssetBundleOp.Error;
+                    Error = _downloadAssetBundleOp.Error;
                 }
             }
         }
@@ -85,10 +92,10 @@ namespace YooAsset
         }
         public override void AbortDownloadOperation()
         {
-            if (_steps == ESteps.DownloadFile)
+            if (_steps == ESteps.DownloadAssetBundle)
             {
-                if (_downloadhanlderAssetBundleOp != null)
+                if (_downloadAssetBundleOp != null)
-                    _downloadhanlderAssetBundleOp.SetAbort();
+                    _downloadAssetBundleOp.SetAbort();
             }
         }
     }

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/DefaultWebServerFileSystem.cs

@@ -56,6 +56,11 @@ namespace YooAsset
         /// 禁用Unity的网络缓存
         /// </summary>
         public bool DisableUnityWebCache { private set; get; } = false;
+
+        /// <summary>
+        ///  自定义参数：解密方法类
+        /// </summary>
+        public IWebDecryptionServices DecryptionServices { private set; get; }
         #endregion
 
 
@@ -113,6 +118,10 @@ namespace YooAsset
             {
                 DisableUnityWebCache = (bool)value;
             }
+            else if (name == FileSystemParametersDefine.DECRYPTION_SERVICES)
+            {
+                DecryptionServices = (IWebDecryptionServices)value;
+            }
             else
             {
                 YooLogger.Warning($"Invalid parameter : {name}");

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/DWSFSLoadBundleOperation.cs

@@ -6,13 +6,13 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            DownloadFile,
+            DownloadAssetBundle,
             Done,
         }
 
         private readonly DefaultWebServerFileSystem _fileSystem;
         private readonly PackageBundle _bundle;
-        private DownloadHandlerAssetBundleOperation _downloadhanlderAssetBundleOp;
+        private DownloadAssetBundleOperation _downloadAssetBundleOp;
         private ESteps _steps = ESteps.None;
 
 
@@ -23,39 +23,48 @@ namespace YooAsset
         }
         internal override void InternalOnStart()
         {
-            _steps = ESteps.DownloadFile;
+            _steps = ESteps.DownloadAssetBundle;
         }
         internal override void InternalOnUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.DownloadFile)
+            if (_steps == ESteps.DownloadAssetBundle)
             {
-                if (_downloadhanlderAssetBundleOp == null)
+                if (_downloadAssetBundleOp == null)
                 {
                     DownloadParam downloadParam = new DownloadParam(int.MaxValue, 60);
                     string fileLoadPath = _fileSystem.GetWebFileLoadPath(_bundle);
                     downloadParam.MainURL = DownloadSystemHelper.ConvertToWWWPath(fileLoadPath);
                     downloadParam.FallbackURL = downloadParam.MainURL;
-                    _downloadhanlderAssetBundleOp = new DownloadHandlerAssetBundleOperation(_fileSystem.DisableUnityWebCache, _bundle, downloadParam);
+
-                    OperationSystem.StartOperation(_fileSystem.PackageName, _downloadhanlderAssetBundleOp);
+                    if (_bundle.Encrypted)
+                    {
+                        _downloadAssetBundleOp = new DownloadWebEncryptAssetBundleOperation(_fileSystem.DecryptionServices, _bundle, downloadParam);
+                        OperationSystem.StartOperation(_fileSystem.PackageName, _downloadAssetBundleOp);
+                    }
+                    else
+                    {
+                        _downloadAssetBundleOp = new DownloadWebNormalAssetBundleOperation(_fileSystem.DisableUnityWebCache, _bundle, downloadParam);
+                        OperationSystem.StartOperation(_fileSystem.PackageName, _downloadAssetBundleOp);
+                    }
                 }
 
-                DownloadProgress = _downloadhanlderAssetBundleOp.DownloadProgress;
+                DownloadProgress = _downloadAssetBundleOp.DownloadProgress;
-                DownloadedBytes = _downloadhanlderAssetBundleOp.DownloadedBytes;
+                DownloadedBytes = _downloadAssetBundleOp.DownloadedBytes;
-                Progress = _downloadhanlderAssetBundleOp.Progress;
+                Progress = _downloadAssetBundleOp.Progress;
-                if (_downloadhanlderAssetBundleOp.IsDone == false)
+                if (_downloadAssetBundleOp.IsDone == false)
                     return;
 
-                if (_downloadhanlderAssetBundleOp.Status == EOperationStatus.Succeed)
+                if (_downloadAssetBundleOp.Status == EOperationStatus.Succeed)
                 {
-                    var assetBundle = _downloadhanlderAssetBundleOp.Result;
+                    var assetBundle = _downloadAssetBundleOp.Result;
                     if (assetBundle == null)
                     {
                         _steps = ESteps.Done;
                         Status = EOperationStatus.Failed;
-                        Error = $"{nameof(DownloadHandlerAssetBundleOperation)} loaded asset bundle is null !";
+                        Error = $"{nameof(DownloadAssetBundleOperation)} loaded asset bundle is null !";
                     }
                     else
                     {
@@ -68,7 +77,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = _downloadhanlderAssetBundleOp.Error;
+                    Error = _downloadAssetBundleOp.Error;
                 }
             }
         }
@@ -84,10 +93,10 @@ namespace YooAsset
         }
         public override void AbortDownloadOperation()
         {
-            if (_steps == ESteps.DownloadFile)
+            if (_steps == ESteps.DownloadAssetBundle)
             {
-                if (_downloadhanlderAssetBundleOp != null)
+                if (_downloadAssetBundleOp != null)
-                    _downloadhanlderAssetBundleOp.SetAbort();
+                    _downloadAssetBundleOp.SetAbort();
             }
         }
     }

Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs

@@ -110,10 +110,11 @@ namespace YooAsset
         /// 创建默认的WebServer文件系统参数
         /// </summary>
         /// <param name="disableUnityWebCache">禁用Unity的网络缓存</param>
-        public static FileSystemParameters CreateDefaultWebServerFileSystemParameters(bool disableUnityWebCache = false)
+        public static FileSystemParameters CreateDefaultWebServerFileSystemParameters(IWebDecryptionServices decryptionServices = null, bool disableUnityWebCache = false)
         {
             string fileSystemClass = typeof(DefaultWebServerFileSystem).FullName;
             var fileSystemParams = new FileSystemParameters(fileSystemClass, null);
+            fileSystemParams.AddParameter(FileSystemParametersDefine.DECRYPTION_SERVICES, decryptionServices);
             fileSystemParams.AddParameter(FileSystemParametersDefine.DISABLE_UNITY_WEB_CACHE, disableUnityWebCache);
             return fileSystemParams;
         }
@@ -123,11 +124,12 @@ namespace YooAsset
         /// </summary>
         /// <param name="remoteServices">远端资源地址查询服务类</param>
         /// <param name="disableUnityWebCache">禁用Unity的网络缓存</param>
-        public static FileSystemParameters CreateDefaultWebRemoteFileSystemParameters(IRemoteServices remoteServices, bool disableUnityWebCache = false)
+        public static FileSystemParameters CreateDefaultWebRemoteFileSystemParameters(IRemoteServices remoteServices, IWebDecryptionServices decryptionServices = null, bool disableUnityWebCache = false)
         {
             string fileSystemClass = typeof(DefaultWebRemoteFileSystem).FullName;
             var fileSystemParams = new FileSystemParameters(fileSystemClass, null);
             fileSystemParams.AddParameter(FileSystemParametersDefine.REMOTE_SERVICES, remoteServices);
+            fileSystemParams.AddParameter(FileSystemParametersDefine.DECRYPTION_SERVICES, decryptionServices);
             fileSystemParams.AddParameter(FileSystemParametersDefine.DISABLE_UNITY_WEB_CACHE, disableUnityWebCache);
             return fileSystemParams;
         }

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DownloadAssetBundleOperation.cs

@@ -0,0 +1,14 @@
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+    internal abstract class DownloadAssetBundleOperation : DefaultDownloadFileOperation
+    {
+        internal DownloadAssetBundleOperation(PackageBundle bundle, DownloadParam param) : base(bundle, param)
+        {
+        }
+
+        public AssetBundle Result;
+    }
+}

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DownloadAssetBundleOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0f65d2f6038b95246b7a09cec4055b3a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DownloadWebEncryptAssetBundleOperation.cs

@@ -0,0 +1,144 @@
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+    internal class DownloadWebEncryptAssetBundleOperation : DownloadAssetBundleOperation
+    {
+        private readonly IWebDecryptionServices _decryptionServices;
+        private DownloadHandlerBuffer _downloadhandler;
+        private ESteps _steps = ESteps.None;
+
+        internal DownloadWebEncryptAssetBundleOperation(IWebDecryptionServices decryptionServices, PackageBundle bundle, DownloadParam param) : base(bundle, param)
+        {
+            _decryptionServices = decryptionServices;
+        }
+        internal override void InternalOnStart()
+        {
+            _steps = ESteps.CreateRequest;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            // 创建下载器
+            if (_steps == ESteps.CreateRequest)
+            {
+                // 获取请求地址
+                _requestURL = GetRequestURL();
+
+                // 重置变量
+                ResetRequestFiled();
+
+                // 创建下载器
+                CreateWebRequest();
+
+                _steps = ESteps.CheckRequest;
+            }
+
+            // 检测下载结果
+            if (_steps == ESteps.CheckRequest)
+            {
+                DownloadProgress = _webRequest.downloadProgress;
+                DownloadedBytes = (long)_webRequest.downloadedBytes;
+                Progress = DownloadProgress;
+                if (_webRequest.isDone == false)
+                {
+                    CheckRequestTimeout();
+                    return;
+                }
+
+                // 检查网络错误
+                if (CheckRequestResult())
+                {
+                    if (_decryptionServices == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"The {nameof(IWebDecryptionServices)} is null !";
+                        YooLogger.Error(Error);
+                        return;
+                    }
+
+                    AssetBundle assetBundle = LoadEncryptedAssetBundle(_downloadhandler.data);
+                    if (assetBundle == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = "Download handler asset bundle object is null !";
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Result = assetBundle;
+                        Status = EOperationStatus.Succeed;
+                    }
+                }
+                else
+                {
+                    _steps = ESteps.TryAgain;
+                }
+
+                // 注意：最终释放请求器
+                DisposeWebRequest();
+            }
+
+            // 重新尝试下载
+            if (_steps == ESteps.TryAgain)
+            {
+                if (FailedTryAgain <= 0)
+                {
+                    Status = EOperationStatus.Failed;
+                    _steps = ESteps.Done;
+                    YooLogger.Error(Error);
+                    return;
+                }
+
+                _tryAgainTimer += Time.unscaledDeltaTime;
+                if (_tryAgainTimer > 1f)
+                {
+                    FailedTryAgain--;
+                    _steps = ESteps.CreateRequest;
+                    YooLogger.Warning(Error);
+                }
+            }
+        }
+        internal override void InternalOnAbort()
+        {
+            _steps = ESteps.Done;
+            DisposeWebRequest();
+        }
+
+        private void CreateWebRequest()
+        {
+            _downloadhandler = new DownloadHandlerBuffer();
+            _webRequest = DownloadSystemHelper.NewUnityWebRequestGet(_requestURL);
+            _webRequest.downloadHandler = _downloadhandler;
+            _webRequest.disposeDownloadHandlerOnDispose = true;
+            _webRequest.SendWebRequest();
+        }
+        private void DisposeWebRequest()
+        {
+            if (_webRequest != null)
+            {
+                //注意：引擎底层会自动调用Abort方法
+                _webRequest.Dispose();
+                _webRequest = null;
+            }
+        }
+
+        /// <summary>
+        /// 加载加密资源文件
+        /// </summary>
+        private AssetBundle LoadEncryptedAssetBundle(byte[] fileData)
+        {
+            var fileInfo = new WebDecryptFileInfo();
+            fileInfo.BundleName = Bundle.BundleName;
+            fileInfo.FileLoadCRC = Bundle.UnityCRC;
+            fileInfo.FileData = fileData;
+            var decryptResult = _decryptionServices.LoadAssetBundle(fileInfo);
+            return decryptResult.Result;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DownloadWebEncryptAssetBundleOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2f88823353464474faf7b020a76f9b2d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DownloadWebNormalAssetBundleOperation.cs

@@ -3,16 +3,13 @@ using UnityEngine.Networking;
 
 namespace YooAsset
 {
-    internal class DownloadHandlerAssetBundleOperation : DefaultDownloadFileOperation
+    internal class DownloadWebNormalAssetBundleOperation : DownloadAssetBundleOperation
     {
         private readonly bool _disableUnityWebCache;
         private DownloadHandlerAssetBundle _downloadhandler;
         private ESteps _steps = ESteps.None;
 
-        public AssetBundle Result { private set; get; }
+        internal DownloadWebNormalAssetBundleOperation(bool disableUnityWebCache, PackageBundle bundle, DownloadParam param) : base(bundle, param)
-
-
-        internal DownloadHandlerAssetBundleOperation(bool disableUnityWebCache, PackageBundle bundle, DownloadParam param) : base(bundle, param)
         {
             _disableUnityWebCache = disableUnityWebCache;
         }
@@ -55,12 +52,12 @@ namespace YooAsset
                 // 检查网络错误
                 if (CheckRequestResult())
                 {
-                    var assetBundle = _downloadhandler.assetBundle;
+                    AssetBundle assetBundle = _downloadhandler.assetBundle;
                     if (assetBundle == null)
                     {
                         _steps = ESteps.Done;
-                        Error = "Download handler asset bundle object is null !";
                         Status = EOperationStatus.Failed;
+                        Error = "Download handler asset bundle object is null !";
                     }
                     else
                     {
@@ -106,7 +103,7 @@ namespace YooAsset
 
         private void CreateWebRequest()
         {
-            _downloadhandler = CreateDownloadHandler();
+            _downloadhandler = CreateWebDownloadHandler();
             _webRequest = DownloadSystemHelper.NewUnityWebRequestGet(_requestURL);
             _webRequest.downloadHandler = _downloadhandler;
             _webRequest.disposeDownloadHandlerOnDispose = true;
@@ -121,7 +118,7 @@ namespace YooAsset
                 _webRequest = null;
             }
         }
-        private DownloadHandlerAssetBundle CreateDownloadHandler()
+        private DownloadHandlerAssetBundle CreateWebDownloadHandler()
         {
             if (_disableUnityWebCache)
             {