Resolved #5866: Auditing interceptor should start auditing scope if auditing middleware was not added.

framework/src/Volo.Abp.AspNetCore.Components.Server/Volo/Abp/AspNetCore/Components/Server/AbpAspNetCoreComponentsServerModule.cs

@@ -3,6 +3,7 @@ using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Routing;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;
+using Volo.Abp.AspNetCore.Auditing;
 using Volo.Abp.AspNetCore.Uow;
 using Volo.Abp.Modularity;
 
@@ -22,6 +23,11 @@ namespace Volo.Abp.AspNetCore.Components.Server
                 options.IgnoredUrls.AddIfNotContains("/_blazor");
             });
             
+            Configure<AbpAspNetCoreAuditingOptions>(options =>
+            {
+                options.IgnoredUrls.AddIfNotContains("/_blazor");
+            });
+            
             Configure<AbpEndpointRouterOptions>(options =>
             {
                 options.EndpointConfigureActions.Add(endpointContext =>

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

@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.AspNetCore.Auditing
+{
+    public class AbpAspNetCoreAuditingOptions
+    {
+        /// <summary>
+        /// This is used to disable the <see cref="AbpAuditingMiddleware"/>,
+        /// app.UseAuditing(), for the specified URLs.
+        /// <see cref="AbpAuditingMiddleware"/> will be disabled for URLs
+        /// starting with an ignored URL.  
+        /// </summary>
+        public List<string> IgnoredUrls { get; } = new List<string>();
+    }
+}

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

@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
@@ -12,29 +13,39 @@ namespace Volo.Abp.AspNetCore.Auditing
     public class AbpAuditingMiddleware : IMiddleware, ITransientDependency
     {
         private readonly IAuditingManager _auditingManager;
-
-        protected AbpAuditingOptions Options { get; }
+        protected AbpAuditingOptions AuditingOptions { get; }
+        protected AbpAspNetCoreAuditingOptions AspNetCoreAuditingOptions { get; }
         protected ICurrentUser CurrentUser { get; }
 
         public AbpAuditingMiddleware(
             IAuditingManager auditingManager,
             ICurrentUser currentUser,
-            IOptions<AbpAuditingOptions> options)
+            IOptions<AbpAuditingOptions> auditingOptions,
+            IOptions<AbpAspNetCoreAuditingOptions> aspNetCoreAuditingOptions)
         {
             _auditingManager = auditingManager;
 
             CurrentUser = currentUser;
-            Options = options.Value;
+            AuditingOptions = auditingOptions.Value;
+            AspNetCoreAuditingOptions = aspNetCoreAuditingOptions.Value;
         }
 
         public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
-            bool hasError = false;
-            using (var scope = _auditingManager.BeginScope())
+            if (!AuditingOptions.IsEnabled || IsIgnoredUrl(context))
+            {
+                await next(context);
+                return;
+            }
+
+            var hasError = false;
+            using (var saveHandle = _auditingManager.BeginScope())
             {
                 try
                 {
                     await next(context);
+                    
+                    Debug.Assert(_auditingManager.Current != null);
                     if (_auditingManager.Current.Log.Exceptions.Any())
                     {
                         hasError = true;
@@ -49,30 +60,31 @@ namespace Volo.Abp.AspNetCore.Auditing
                 {
                     if (ShouldWriteAuditLog(context, hasError))
                     {
-                        await scope.SaveAsync();
+                        await saveHandle.SaveAsync();
                     }
                 }
             }
         }
 
-        private bool ShouldWriteAuditLog(HttpContext httpContext, bool hasError = false)
+        private bool IsIgnoredUrl(HttpContext context)
         {
-            if (!Options.IsEnabled)
-            {
-                return false;
-            }
+            return context.Request.Path.Value != null &&
+                   AspNetCoreAuditingOptions.IgnoredUrls.Any(x => context.Request.Path.Value.StartsWith(x));
+        }
 
-            if (Options.AlwaysLogOnException && hasError)
+        private bool ShouldWriteAuditLog(HttpContext httpContext, bool hasError)
+        {
+            if (AuditingOptions.AlwaysLogOnException && hasError)
             {
                 return true;
             }
 
-            if (!Options.IsEnabledForAnonymousUsers && !CurrentUser.IsAuthenticated)
+            if (!AuditingOptions.IsEnabledForAnonymousUsers && !CurrentUser.IsAuthenticated)
             {
                 return false;
             }
 
-            if (!Options.IsEnabledForGetRequests &&
+            if (!AuditingOptions.IsEnabledForGetRequests &&
                 string.Equals(httpContext.Request.Method, HttpMethods.Get, StringComparison.OrdinalIgnoreCase))
             {
                 return false;

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

@@ -22,8 +22,7 @@ namespace Volo.Abp.AspNetCore.Uow
 
         public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
-            if (context.Request.Path.Value != null &&
-                _options.IgnoredUrls.Any(x => context.Request.Path.Value.StartsWith(x)))
+            if (IsIgnoredUrl(context))
             {
                 await next(context);
                 return;
@@ -35,5 +34,11 @@ namespace Volo.Abp.AspNetCore.Uow
                 await uow.CompleteAsync(context.RequestAborted);
             }
         }
+
+        private bool IsIgnoredUrl(HttpContext context)
+        {
+            return context.Request.Path.Value != null &&
+                   _options.IgnoredUrls.Any(x => context.Request.Path.Value.StartsWith(x));
+        }
     }
 }

framework/src/Volo.Abp.Auditing/Volo/Abp/Auditing/AuditingInterceptor.cs

@@ -1,10 +1,13 @@
 using System;
 using System.Diagnostics;
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
 using Volo.Abp.Aspects;
 using Volo.Abp.DependencyInjection;
 using Volo.Abp.DynamicProxy;
+using Volo.Abp.Users;
 
 namespace Volo.Abp.Auditing
 {
@@ -19,12 +22,65 @@ namespace Volo.Abp.Auditing
 
         public override async Task InterceptAsync(IAbpMethodInvocation invocation)
         {
-            if (!ShouldIntercept(invocation, out var auditLog, out var auditLogAction))
+            using (var serviceScope = _serviceScopeFactory.CreateScope())
             {
-                await invocation.ProceedAsync();
-                return;
+                var auditingHelper = serviceScope.ServiceProvider.GetRequiredService<IAuditingHelper>();
+                var auditingOptions = serviceScope.ServiceProvider.GetRequiredService<IOptions<AbpAuditingOptions>>().Value;
+
+                if (!ShouldIntercept(invocation, auditingOptions, auditingHelper))
+                {
+                    await invocation.ProceedAsync();
+                    return;
+                }
+                
+                var auditingManager = serviceScope.ServiceProvider.GetRequiredService<IAuditingManager>();
+                if (auditingManager.Current != null)
+                {
+                    await ProceedByLoggingAsync(invocation, auditingHelper, auditingManager.Current);
+                }
+                else
+                {
+                    var currentUser = serviceScope.ServiceProvider.GetRequiredService<ICurrentUser>();
+                    await ProcessWithNewAuditingScopeAsync(invocation, auditingOptions, currentUser, auditingManager, auditingHelper);
+                }
+            }
+        }
+
+        protected virtual bool ShouldIntercept(IAbpMethodInvocation invocation,
+            AbpAuditingOptions options,
+            IAuditingHelper auditingHelper)
+        {
+            if (!options.IsEnabled)
+            {
+                return false;
+            }
+            
+            if (AbpCrossCuttingConcerns.IsApplied(invocation.TargetObject, AbpCrossCuttingConcerns.Auditing))
+            {
+                return false;
             }
 
+            if (!auditingHelper.ShouldSaveAudit(invocation.Method))
+            {
+                return false;
+            }
+
+            return true;
+        }
+        
+        private static async Task ProceedByLoggingAsync(
+            IAbpMethodInvocation invocation,
+            IAuditingHelper auditingHelper,
+            IAuditLogScope auditLogScope)
+        { 
+            var auditLog = auditLogScope.Log;
+            var auditLogAction = auditingHelper.CreateAuditLogAction(
+                auditLog,
+                invocation.TargetObject.GetType(),
+                invocation.Method,
+                invocation.Arguments
+            );
+            
             var stopwatch = Stopwatch.StartNew();
 
             try
@@ -43,45 +99,65 @@ namespace Volo.Abp.Auditing
                 auditLog.Actions.Add(auditLogAction);
             }
         }
-
-        protected virtual bool ShouldIntercept(
-            IAbpMethodInvocation invocation,
-            out AuditLogInfo auditLog,
-            out AuditLogActionInfo auditLogAction)
+        
+        private async Task ProcessWithNewAuditingScopeAsync(
+            IAbpMethodInvocation invocation, 
+            AbpAuditingOptions options,
+            ICurrentUser currentUser,
+            IAuditingManager auditingManager,
+            IAuditingHelper auditingHelper)
         {
-            auditLog = null;
-            auditLogAction = null;
-
-            if (AbpCrossCuttingConcerns.IsApplied(invocation.TargetObject, AbpCrossCuttingConcerns.Auditing))
+            var hasError = false;
+            using (var saveHandle = auditingManager.BeginScope())
             {
-                return false;
-            }
+                try
+                {
+                    await ProceedByLoggingAsync(invocation, auditingHelper, auditingManager.Current);
 
-            using (var scope = _serviceScopeFactory.CreateScope())
-            {
-                var auditingManager = scope.ServiceProvider.GetRequiredService<IAuditingManager>();
-                var auditLogScope = auditingManager.Current;
-                if (auditLogScope == null)
+                    Debug.Assert(auditingManager.Current != null);
+                    if (auditingManager.Current.Log.Exceptions.Any())
+                    {
+                        hasError = true;
+                    }
+                }
+                catch (Exception)
                 {
-                    return false;
+                    hasError = true;
+                    throw;
                 }
-
-                var auditingHelper = scope.ServiceProvider.GetRequiredService<IAuditingHelper>();
-                if (!auditingHelper.ShouldSaveAudit(invocation.Method))
+                finally
                 {
-                    return false;
+                    if (ShouldWriteAuditLog(invocation, options, currentUser, hasError))
+                    {
+                        await saveHandle.SaveAsync();
+                    }
                 }
+            }
+        }
+        
+        private bool ShouldWriteAuditLog(
+            IAbpMethodInvocation invocation,
+            AbpAuditingOptions options,
+            ICurrentUser currentUser,
+            bool hasError)
+        {
+            if (options.AlwaysLogOnException && hasError)
+            {
+                return true;
+            }
 
-                auditLog = auditLogScope.Log;
-                auditLogAction = auditingHelper.CreateAuditLogAction(
-                    auditLog,
-                    invocation.TargetObject.GetType(),
-                    invocation.Method,
-                    invocation.Arguments
-                );
+            if (!options.IsEnabledForAnonymousUsers && !currentUser.IsAuthenticated)
+            {
+                return false;
+            }
 
-                return true;
+            if (!options.IsEnabledForGetRequests &&
+                invocation.Method.Name.StartsWith("Get",StringComparison.OrdinalIgnoreCase))
+            {
+                return false;
             }
+
+            return true;
         }
     }
-}
+}