Fix SignalR paths if RootPath is used

BTCPayServer/Controllers/AppsPublicController.cs

@@ -109,11 +109,13 @@ namespace BTCPayServer.Controllers
 
                 return NotFound("A Target Currency must be set for this app in order to be loadable.");
             }
-            if (settings.Enabled) return View(await _AppService.GetAppInfo(appId));
+            var appInfo = (ViewCrowdfundViewModel)(await _AppService.GetAppInfo(appId));
+            appInfo.HubPath = AppHub.GetHubPath(this.Request);
+            if (settings.Enabled) return View(appInfo);
             if(!isAdmin)
                 return NotFound();
 
-            return View(await _AppService.GetAppInfo(appId));
+            return View(appInfo);
         }
 
         [HttpPost]
@@ -137,7 +139,7 @@ namespace BTCPayServer.Controllers
             }
 
             var info = (ViewCrowdfundViewModel)await _AppService.GetAppInfo(appId);
-
+            info.HubPath = AppHub.GetHubPath(this.Request);
             if (!isAdmin &&
                 ((settings.StartDate.HasValue && DateTime.Now < settings.StartDate) ||
                  (settings.EndDate.HasValue && DateTime.Now > settings.EndDate) ||

BTCPayServer/Controllers/PaymentRequestController.cs

@@ -215,6 +215,7 @@ namespace BTCPayServer.Controllers
         public async Task<IActionResult> ViewPaymentRequest(string id)
         {
             var result = await _PaymentRequestService.GetPaymentRequest(id, GetUserId());
+            result.HubPath = PaymentRequestHub.GetHubPath(this.Request);
             if (result == null)
             {
                 return NotFound();

BTCPayServer/Hosting/Startup.cs

@@ -174,8 +174,8 @@ namespace BTCPayServer.Hosting
             app.UseAuthentication();
             app.UseSignalR(route =>
             {
-                route.MapHub<AppHub>("/apps/hub");
+                AppHub.Register(route);
-                route.MapHub<PaymentRequestHub>("/payment-requests/hub");
+                PaymentRequestHub.Register(route);
             });
             app.UseWebSockets();
             app.UseStatusCodePages();

BTCPayServer/Models/AppViewModels/ViewCrowdfundViewModel.cs

@@ -10,6 +10,7 @@ namespace BTCPayServer.Models.AppViewModels
 {
     public class ViewCrowdfundViewModel
     {
+        public string HubPath { get; set; }
         public string StatusMessage{ get; set; }
         public string StoreId { get; set; }
         public string AppId { get; set; }

BTCPayServer/Models/PaymentRequestViewModels/ListPaymentRequestsViewModel.cs

@@ -134,6 +134,7 @@ namespace BTCPayServer.Models.PaymentRequestViewModels
         public string AmountCollectedFormatted { get; set; }
         public string AmountFormatted { get; set; }
         public bool AnyPendingInvoice { get; set; }
+        public string HubPath { get; set; }
 
         public class PaymentRequestInvoice
         {

BTCPayServer/PaymentRequest/PaymentRequestHub.cs

@@ -12,6 +12,7 @@ using BTCPayServer.Services.PaymentRequests;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.SignalR;
 using BTCPayServer.Services.Apps;
+using Microsoft.AspNetCore.Http;
 
 namespace BTCPayServer.PaymentRequest
 {
@@ -59,6 +60,15 @@ namespace BTCPayServer.PaymentRequest
                     break;
             }
         }
+
+        public static string GetHubPath(HttpRequest request)
+        {
+            return request.GetRelativePathOrAbsolute("/payment-requests/hub");
+        }
+        public static void Register(HubRouteBuilder route)
+        {
+            route.MapHub<PaymentRequestHub>("/payment-requests/hub");
+        }
     }
 
     public class PaymentRequestStreamer : EventHostedServiceBase

BTCPayServer/Properties/launchSettings.json

@@ -34,6 +34,7 @@
                 "BTCPAY_BTCEXTERNALCHARGE": "server=https://127.0.0.1:53280/mycharge/btc/;cookiefilepath=fake",
                 "BTCPAY_BTCEXPLORERURL": "http://127.0.0.1:32838/",
                 "BTCPAY_DISABLE-REGISTRATION": "false",
+                "BTCPAY_ROOTPATH": "/test",
                 "ASPNETCORE_ENVIRONMENT": "Development",
                 "BTCPAY_CHAINS": "btc,ltc",
                 "BTCPAY_POSTGRES": "User ID=postgres;Host=127.0.0.1;Port=39372;Database=btcpayserver",

BTCPayServer/Services/Apps/AppHub.cs

@@ -2,6 +2,7 @@ using System;
 using System.Threading.Tasks;
 using BTCPayServer.Controllers;
 using BTCPayServer.Models.AppViewModels;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.SignalR;
 using Microsoft.Extensions.DependencyInjection;
@@ -62,5 +63,13 @@ namespace BTCPayServer.Services.Apps
 
         }
 
+        public static string GetHubPath(HttpRequest request)
+        {
+            return request.GetRelativePathOrAbsolute("/apps/hub");
+        }
+        public static void Register(HubRouteBuilder route)
+        {
+            route.MapHub<AppHub>("/apps/hub");
+        }
     }
 }

BTCPayServer/wwwroot/crowdfund/services/listener.js

@@ -1,7 +1,7 @@
 
 var hubListener = function(){
    
-    var connection = new signalR.HubConnectionBuilder().withUrl("/apps/hub").build();
+    var connection = new signalR.HubConnectionBuilder().withUrl(srvModel.hubPath).build();
 
     connection.onclose(function(){
         eventAggregator.$emit("connection-lost");

BTCPayServer/wwwroot/payment-request/services/listener.js

@@ -1,6 +1,6 @@
 var hubListener = function () {
 
-    var connection = new signalR.HubConnectionBuilder().withUrl("/payment-requests/hub").build();
+    var connection = new signalR.HubConnectionBuilder().withUrl(srvModel.hubPath).build();
 
     connection.onclose(function () {
         eventAggregator.$emit("connection-lost");