Resolve #1268 Implement IMiddleware for all asp.net core middlewares.

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/AbpAspNetCoreMultiTenancyModule.cs

@@ -19,6 +19,8 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
                 options.TenantResolvers.Add(new HeaderTenantResolveContributor());
                 options.TenantResolvers.Add(new CookieTenantResolveContributor());
             });
+
+            context.Services.AddTransient<MultiTenancyMiddleware>();
         }
     }
 }

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/MultiTenancyMiddleware.cs

@@ -5,30 +5,26 @@ using Volo.Abp.MultiTenancy;
 
 namespace Volo.Abp.AspNetCore.MultiTenancy
 {
-    public class MultiTenancyMiddleware
+    public class MultiTenancyMiddleware : IMiddleware
     {
-        private readonly RequestDelegate _next;
-
         private readonly ITenantResolver _tenantResolver;
         private readonly ITenantStore _tenantStore;
         private readonly ICurrentTenant _currentTenant;
         private readonly ITenantResolveResultAccessor _tenantResolveResultAccessor;
 
         public MultiTenancyMiddleware(
-            RequestDelegate next,
             ITenantResolver tenantResolver, 
             ITenantStore tenantStore, 
             ICurrentTenant currentTenant, 
             ITenantResolveResultAccessor tenantResolveResultAccessor)
         {
-            _next = next;
             _tenantResolver = tenantResolver;
             _tenantStore = tenantStore;
             _currentTenant = currentTenant;
             _tenantResolveResultAccessor = tenantResolveResultAccessor;
         }
 
-        public async Task Invoke(HttpContext httpContext)
+        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
             var resolveResult = _tenantResolver.ResolveTenantIdOrName();
             _tenantResolveResultAccessor.Result = resolveResult;
@@ -48,7 +44,7 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 
             using (_currentTenant.Change(tenant?.Id, tenant?.Name))
             {
-                await _next(httpContext);
+                await next(context);
             }
         }
 

framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/AbpAspNetCoreModule.cs

@@ -1,6 +1,9 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.AspNetCore.Auditing;
+using Volo.Abp.AspNetCore.Mvc.ExceptionHandling;
+using Volo.Abp.AspNetCore.Tracing;
+using Volo.Abp.AspNetCore.Uow;
 using Volo.Abp.Auditing;
 using Volo.Abp.Authorization;
 using Volo.Abp.Domain;
@@ -43,6 +46,11 @@ namespace Volo.Abp.AspNetCore
 
             AddAspNetServices(context.Services);
             context.Services.AddObjectAccessor<IApplicationBuilder>();
+
+            context.Services.AddTransient<AbpAuditingMiddleware>();
+            context.Services.AddTransient<AbpUnitOfWorkMiddleware>();
+            context.Services.AddTransient<AbpCorrelationIdMiddleware>();
+            context.Services.AddTransient<AbpExceptionHandlingMiddleware>();
         }
 
         private static void AddAspNetServices(IServiceCollection services)

framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Auditing/AbpAuditingMiddleware.cs

@@ -7,32 +7,29 @@ using Volo.Abp.Users;
 
 namespace Volo.Abp.AspNetCore.Auditing
 {
-    public class AbpAuditingMiddleware
+    public class AbpAuditingMiddleware : IMiddleware
     {
-        private readonly RequestDelegate _next;
         private readonly IAuditingManager _auditingManager;
 
         protected AbpAuditingOptions Options { get; }
         protected ICurrentUser CurrentUser { get; }
 
         public AbpAuditingMiddleware(
-            RequestDelegate next, 
             IAuditingManager auditingManager,
             ICurrentUser currentUser,
             IOptions<AbpAuditingOptions> options)
         {
-            _next = next;
             _auditingManager = auditingManager;
 
             CurrentUser = currentUser;
             Options = options.Value;
         }
 
-        public async Task Invoke(HttpContext httpContext)
+        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
-            if (!ShouldWriteAuditLog(httpContext))
+            if (!ShouldWriteAuditLog(context))
             {
-                await _next(httpContext);
+                await next(context);
                 return;
             }
 
@@ -40,7 +37,7 @@ namespace Volo.Abp.AspNetCore.Auditing
             {
                 try
                 {
-                    await _next(httpContext);
+                    await next(context);
                 }
                 finally
                 {

framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/ExceptionHandling/AbpExceptionHandlingMiddleware.cs

@@ -10,41 +10,39 @@ using Volo.Abp.Json;
 
 namespace Volo.Abp.AspNetCore.Mvc.ExceptionHandling
 {
-    public class AbpExceptionHandlingMiddleware
+    public class AbpExceptionHandlingMiddleware : IMiddleware
     {
-        private readonly RequestDelegate _next;
         private readonly ILogger<AbpUnitOfWorkMiddleware> _logger;
 
         private readonly Func<object, Task> _clearCacheHeadersDelegate;
 
-        public AbpExceptionHandlingMiddleware(RequestDelegate next, ILogger<AbpUnitOfWorkMiddleware> logger)
+        public AbpExceptionHandlingMiddleware(ILogger<AbpUnitOfWorkMiddleware> logger)
         {
-            _next = next;
             _logger = logger;
 
             _clearCacheHeadersDelegate = ClearCacheHeaders;
         }
 
-        public async Task Invoke(HttpContext httpContext)
+        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
             try
             {
-                await _next(httpContext);
+                await next(context);
             }
             catch (Exception ex)
             {
                 // We can't do anything if the response has already started, just abort.
-                if (httpContext.Response.HasStarted)
+                if (context.Response.HasStarted)
                 {
                     _logger.LogWarning("An exception occurred, but response has already started!");
                     throw;
                 }
 
-                if (httpContext.Items["_AbpActionInfo"] is AbpActionInfoInHttpContext actionInfo)
+                if (context.Items["_AbpActionInfo"] is AbpActionInfoInHttpContext actionInfo)
                 {
                     if (actionInfo.IsObjectResult) //TODO: Align with AbpExceptionFilter.ShouldHandleException!
                     {
-                        await HandleAndWrapException(httpContext, ex);
+                        await HandleAndWrapException(context, ex);
                         return;
                     }
                 }

framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Tracing/AbpCorrelationIdMiddleware.cs

@@ -5,30 +5,29 @@ using Volo.Abp.Tracing;
 
 namespace Volo.Abp.AspNetCore.Tracing
 {
-    public class AbpCorrelationIdMiddleware
+    public class AbpCorrelationIdMiddleware : IMiddleware
     {
-        private readonly RequestDelegate _next;
+        private readonly CorrelationIdOptions _options;
+        private readonly ICorrelationIdProvider _correlationIdProvider;
 
-        public AbpCorrelationIdMiddleware(RequestDelegate next)
+        public AbpCorrelationIdMiddleware(IOptions<CorrelationIdOptions> options,
+            ICorrelationIdProvider correlationIdProvider)
         {
-            _next = next;
+            _options = options.Value;
+            _correlationIdProvider = correlationIdProvider;
         }
 
-        public async Task Invoke(
-            HttpContext httpContext,
-            IOptions<CorrelationIdOptions> options,
-            ICorrelationIdProvider correlationIdProvider)
+        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
-            var correlationId = correlationIdProvider.Get();
-            var optionsValue = options.Value;
+            var correlationId = _correlationIdProvider.Get();
 
             try
             {
-                await _next(httpContext);
+                await next(context);
             }
             finally
             {
-                CheckAndSetCorrelationIdOnResponse(httpContext, optionsValue, correlationId);
+                CheckAndSetCorrelationIdOnResponse(context, _options, correlationId);
             }
         }
 

framework/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/Uow/AbpUnitOfWorkMiddleware.cs

@@ -4,25 +4,23 @@ using Volo.Abp.Uow;
 
 namespace Volo.Abp.AspNetCore.Uow
 {
-    public class AbpUnitOfWorkMiddleware
+    public class AbpUnitOfWorkMiddleware : IMiddleware
     {
         public const string UnitOfWorkReservationName = "_AbpActionUnitOfWork";
 
-        private readonly RequestDelegate _next;
         private readonly IUnitOfWorkManager _unitOfWorkManager;
 
-        public AbpUnitOfWorkMiddleware(RequestDelegate next, IUnitOfWorkManager unitOfWorkManager)
+        public AbpUnitOfWorkMiddleware(IUnitOfWorkManager unitOfWorkManager)
         {
-            _next = next;
             _unitOfWorkManager = unitOfWorkManager;
         }
 
-        public async Task Invoke(HttpContext httpContext)
+        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
             using (var uow = _unitOfWorkManager.Reserve(UnitOfWorkReservationName))
             {
-                await _next(httpContext);
-                await uow.CompleteAsync(httpContext.RequestAborted);
+                await next(context);
+                await uow.CompleteAsync(context.RequestAborted);
             }
         }
     }

framework/test/Volo.Abp.AspNetCore.Mvc.Tests/Volo/Abp/AspNetCore/Mvc/AbpAspNetCoreMvcTestModule.cs

@@ -70,6 +70,8 @@ namespace Volo.Abp.AspNetCore.Mvc
                         typeof(AbpValidationResource)
                     ).AddVirtualJson("/Volo/Abp/AspNetCore/Mvc/Localization/Resource");
             });
+
+            context.Services.AddTransient<FakeAuthenticationMiddleware>();
         }
 
         public override void OnApplicationInitialization(ApplicationInitializationContext context)

framework/test/Volo.Abp.AspNetCore.Mvc.Tests/Volo/Abp/AspNetCore/Mvc/Authorization/FakeAuthenticationMiddleware.cs

@@ -6,28 +6,26 @@ using Microsoft.AspNetCore.Http;
 
 namespace Volo.Abp.AspNetCore.Mvc.Authorization
 {
-    public class FakeAuthenticationMiddleware
+    public class FakeAuthenticationMiddleware : IMiddleware
     {
-        private readonly RequestDelegate _next;
         private readonly FakeUserClaims _fakeUserClaims;
 
-        public FakeAuthenticationMiddleware(RequestDelegate next, FakeUserClaims fakeUserClaims)
+        public FakeAuthenticationMiddleware(FakeUserClaims fakeUserClaims)
         {
-            _next = next;
             _fakeUserClaims = fakeUserClaims;
         }
 
-        public async Task Invoke(HttpContext httpContext)
+        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
             if (_fakeUserClaims.Claims.Any())
             {
-                httpContext.User = new ClaimsPrincipal(new List<ClaimsIdentity>
+                context.User = new ClaimsPrincipal(new List<ClaimsIdentity>
                 {
                     new ClaimsIdentity(_fakeUserClaims.Claims, "FakeSchema")
                 });
             }
 
-            await _next(httpContext);
+            await next(context);
         }
     }
 }