added UnhandledExceptionMiddleware

common/ASC.Api.Core/Middleware/UnhandledExceptionMiddleware.cs

@@ -0,0 +1,114 @@
+// (c) Copyright Ascensio System SIA 2010-2022
+//
+// This program is a free software product.
+// You can redistribute it and/or modify it under the terms
+// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
+// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
+// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
+// any third-party rights.
+//
+// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
+// of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For details, see
+// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+//
+// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
+//
+// The  interactive user interfaces in modified source and object code versions of the Program must
+// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
+//
+// Pursuant to Section 7(b) of the License you must retain the original Product logo when
+// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
+// trademark law for use of our trademarks.
+//
+// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
+// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
+// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+
+namespace ASC.Api.Core.Middleware;
+
+// problem: https://github.com/aspnet/Logging/issues/677
+public class UnhandledExceptionMiddleware
+{
+    private readonly RequestDelegate _next;
+
+    public UnhandledExceptionMiddleware(RequestDelegate next)
+    {
+        _next = next;
+    }
+
+    public async Task Invoke(HttpContext context,
+                            ILogger<UnhandledExceptionMiddleware> logger)
+    {
+        try
+        {
+            await _next(context);
+        }
+        catch (Exception ex) when (LogError(ex))
+        {
+           await OnException(context, ex);
+        }
+
+        bool LogError(Exception ex)
+        {
+            logger.LogError(ex,
+                $"Request {context.Request?.Method}: {context.Request?.Path.Value} failed");
+
+            return true;
+        }
+
+    }
+
+    public async Task OnException(HttpContext context, Exception exception)
+    {
+        var status = (HttpStatusCode)context.Response.StatusCode;
+        string message = null;
+
+        if (status == HttpStatusCode.OK)
+        {
+            status = HttpStatusCode.InternalServerError;
+        }
+
+        var withStackTrace = true;
+                
+        switch (exception)
+        {
+            case ItemNotFoundException:
+                status = HttpStatusCode.NotFound;
+                message = "The record could not be found";
+                break;
+            case ArgumentException:
+                status = HttpStatusCode.BadRequest;
+                message = "Invalid arguments";
+                break;
+            case SecurityException:
+                status = HttpStatusCode.Forbidden;
+                message = "Access denied";
+                break;
+            case AuthenticationException:
+                status = HttpStatusCode.Unauthorized;
+                withStackTrace = false;
+                break;
+            case InvalidOperationException:
+                status = HttpStatusCode.Forbidden;
+                break;
+            case TenantQuotaException:
+            case BillingNotFoundException:
+                status = HttpStatusCode.PaymentRequired;
+                break;
+        }
+
+        var result = new ErrorApiResponse(status, exception, message, withStackTrace);      
+
+        context.Response.StatusCode = (int)status;
+
+        await context.Response.WriteAsJsonAsync(result);
+    }
+}
+
+public static class UnhandledExceptionMiddlewareExtensions
+{
+    public static IApplicationBuilder UseUnhandledExceptionMiddleware(this IApplicationBuilder builder)
+    {
+        return builder.UseMiddleware<UnhandledExceptionMiddleware>();
+    }
+}