added PaymentAccountHandler

config/nginx/onlyoffice.conf

@@ -243,6 +243,10 @@ server {
 		proxy_pass http://127.0.0.1:5000;
 	}	
 	
+	location /payment.ashx {
+		proxy_pass http://127.0.0.1:5000;
+	}	
+	
 	location /ThirdPartyApp {
 		proxy_pass http://127.0.0.1:5007;
 	}

web/ASC.Web.Api/Core/PaymentAccountHandler.cs

@@ -0,0 +1,65 @@
+// (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.Web.Api.Core;
+
+public class PaymentAccountHandler
+{
+    public PaymentAccountHandler(RequestDelegate next)
+    {
+
+    }
+
+    public Task Invoke
+        (HttpContext context,
+        ITariffService tariffService,
+        UserManager userManager,
+        SecurityContext securityContext,
+        TenantManager tenantManager)
+    {
+        var tenant = tenantManager.GetCurrentTenant();
+        var payerId = tariffService.GetTariff(tenant.Id).CustomerId;
+        var payer = userManager.GetUserByEmail(payerId);
+
+        if (securityContext.CurrentAccount.ID != payer.Id &&
+            securityContext.CurrentAccount.ID != tenant.OwnerId)
+        {
+            return Task.CompletedTask;
+        }
+
+        var backUrl = context.Request.Query["backUrl"];
+        context.Response.Redirect(tariffService.GetAccountLink(tenant.Id, backUrl).AbsoluteUri);
+        return Task.CompletedTask;
+    }
+}
+
+public static class AccountHandlerExtensions
+{
+    public static IApplicationBuilder UseAccountHandler(this IApplicationBuilder builder)
+    {
+        return builder.UseMiddleware<PaymentAccountHandler>();
+    }
+}

web/ASC.Web.Api/Startup.cs

@@ -66,5 +66,12 @@ public class Startup : BaseStartup
             {
                 appBranch.UseLogoUploader();
             });
+
+        app.MapWhen(
+            context => context.Request.Path.ToString().EndsWith("payment.ashx"),
+            appBranch =>
+            {
+                appBranch.UseAccountHandler();
+            });
     }
 }