Implement fully async interceptors.

framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/AuthorizationInterceptor.cs

@@ -35,7 +35,7 @@ namespace Volo.Abp.Authorization
                 return;
             }
 
-            AsyncHelper.RunSync(() => AuthorizeAsync(invocation));
+            await AuthorizeAsync(invocation);
             await invocation.ProceedAsync();
         }
 

framework/src/Volo.Abp.Castle.Core/Volo/Abp/Castle/DynamicProxy/CastleAbpInterceptorAdapter.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System.Reflection;
+using System.Threading.Tasks;
 using Castle.DynamicProxy;
 using Volo.Abp.DynamicProxy;
 using Volo.Abp.Threading;
@@ -8,6 +9,20 @@ namespace Volo.Abp.Castle.DynamicProxy
     public class CastleAbpInterceptorAdapter<TInterceptor> : IInterceptor
         where TInterceptor : IAbpInterceptor
     {
+        private static readonly MethodInfo MethodExecuteWithoutReturnValueAsync =
+            typeof(CastleAbpInterceptorAdapter<TInterceptor>)
+                .GetMethod(
+                    nameof(ExecuteWithoutReturnValueAsync),
+                    BindingFlags.NonPublic | BindingFlags.Instance
+                );
+
+        private static readonly MethodInfo MethodExecuteWithReturnValueAsync =
+            typeof(CastleAbpInterceptorAdapter<TInterceptor>)
+                .GetMethod(
+                    nameof(ExecuteWithReturnValueAsync),
+                    BindingFlags.NonPublic | BindingFlags.Instance
+                );
+
         private readonly TInterceptor _abpInterceptor;
 
         public CastleAbpInterceptorAdapter(TInterceptor abpInterceptor)
@@ -17,39 +32,58 @@ namespace Volo.Abp.Castle.DynamicProxy
 
         public void Intercept(IInvocation invocation)
         {
+            var proceedInfo = invocation.CaptureProceedInfo();
+
             var method = invocation.MethodInvocationTarget ?? invocation.Method;
 
             if (method.IsAsync())
             {
-                InterceptAsyncMethod(invocation);
+                InterceptAsyncMethod(invocation, proceedInfo);
             }
             else
             {
-                InterceptSyncMethod(invocation);
+                InterceptSyncMethod(invocation, proceedInfo);
             }
         }
 
-        private void InterceptAsyncMethod(IInvocation invocation)
+        private void InterceptSyncMethod(IInvocation invocation, IInvocationProceedInfo proceedInfo)
+        {
+            _abpInterceptor.Intercept(new CastleAbpMethodInvocationAdapter(invocation, proceedInfo));
+        }
+
+        private void InterceptAsyncMethod(IInvocation invocation, IInvocationProceedInfo proceedInfo)
         {
             if (invocation.Method.ReturnType == typeof(Task))
             {
-                invocation.ReturnValue = _abpInterceptor.InterceptAsync(new CastleAbpMethodInvocationAdapter(invocation));
+                invocation.ReturnValue = MethodExecuteWithoutReturnValueAsync
+                    .Invoke(this, new object[] { invocation, proceedInfo });
             }
             else
             {
-	            var interceptResult = _abpInterceptor.InterceptAsync(new CastleAbpMethodInvocationAdapter(invocation));
-	            var actualReturnValue = invocation.ReturnValue;
-				invocation.ReturnValue = InternalAsyncHelper.CallAwaitTaskWithPreActionAndPostActionAndFinallyAndGetResult(
-		            invocation.Method.ReturnType.GenericTypeArguments[0],
-		            () => actualReturnValue,
-		            () => interceptResult
-	            );
+                invocation.ReturnValue = MethodExecuteWithReturnValueAsync
+                    .MakeGenericMethod(invocation.Method.ReturnType.GenericTypeArguments[0])
+                    .Invoke(this, new object[] {invocation, proceedInfo});
             }
         }
 
-        private void InterceptSyncMethod(IInvocation invocation)
+        private async Task ExecuteWithoutReturnValueAsync(IInvocation invocation, IInvocationProceedInfo proceedInfo)
         {
-	        _abpInterceptor.Intercept(new CastleAbpMethodInvocationAdapter(invocation));
+            await Task.Yield();
+
+            await _abpInterceptor.InterceptAsync(
+                new CastleAbpMethodInvocationAdapter(invocation, proceedInfo)
+            );
+        }
+
+        private async Task<T> ExecuteWithReturnValueAsync<T>(IInvocation invocation, IInvocationProceedInfo proceedInfo)
+        {
+            await Task.Yield();
+
+            await _abpInterceptor.InterceptAsync(
+                new CastleAbpMethodInvocationAdapter(invocation, proceedInfo)
+            );
+
+            return await (Task<T>)invocation.ReturnValue;
         }
     }
 }

framework/src/Volo.Abp.Castle.Core/Volo/Abp/Castle/DynamicProxy/CastleAbpMethodInvocationAdapter.cs

@@ -32,10 +32,10 @@ namespace Volo.Abp.Castle.DynamicProxy
         protected IInvocation Invocation { get; }
         protected IInvocationProceedInfo ProceedInfo { get; }
 
-        public CastleAbpMethodInvocationAdapter(IInvocation invocation)
+        public CastleAbpMethodInvocationAdapter(IInvocation invocation, IInvocationProceedInfo proceedInfo)
         {
             Invocation = invocation;
-            ProceedInfo = invocation.CaptureProceedInfo();
+            ProceedInfo = proceedInfo;
 
             _lazyArgumentsDictionary = new Lazy<IReadOnlyDictionary<string, object>>(GetArgumentsDictionary);
         }
@@ -53,7 +53,9 @@ namespace Volo.Abp.Castle.DynamicProxy
         public Task ProceedAsync()
         {
             ProceedInfo.Invoke();
+
             _actualReturnValue = Invocation.ReturnValue;
+
             return Invocation.Method.IsAsync()
                 ? (Task)_actualReturnValue
                 : Task.FromResult(_actualReturnValue);

framework/test/Volo.Abp.Core.Tests/Volo/Abp/DynamicProxy/SimpleAsyncInterceptor.cs

@@ -14,7 +14,7 @@ namespace Volo.Abp.DynamicProxy
 
 	    public override async Task InterceptAsync(IAbpMethodInvocation invocation)
         {
-			//await Task.Delay(5); CAN NOT USE await before method execution! This is a restriction of Castle DynamicProxy
+			await Task.Delay(5);
 			(invocation.TargetObject as ICanLogOnObject)?.Logs?.Add($"{GetType().Name}_InterceptAsync_BeforeInvocation");
             await invocation.ProceedAsync();
             (invocation.TargetObject as ICanLogOnObject)?.Logs?.Add($"{GetType().Name}_InterceptAsync_AfterInvocation");