Sync static resource controller with upstream

(cherry picked from commit ad1f185330a30a2a9d27c9d3f18d384e66727c2a)

src/Prowlarr.Http/Frontend/Mappers/IMapHttpRequestsToDisk.cs

@@ -1,3 +1,4 @@
+using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 
 namespace Prowlarr.Http.Frontend.Mappers
@@ -6,6 +7,6 @@ namespace Prowlarr.Http.Frontend.Mappers
     {
         string Map(string resourceUrl);
         bool CanHandle(string resourceUrl);
-        FileStreamResult GetResponse(string resourceUrl);
+        Task<FileStreamResult> GetResponse(string resourceUrl);
     }
 }

src/Prowlarr.Http/Frontend/Mappers/StaticResourceMapperBase.cs

@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using System.Text;
+using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.StaticFiles;
 using Microsoft.Net.Http.Headers;
@@ -30,7 +31,7 @@ namespace Prowlarr.Http.Frontend.Mappers
 
         public abstract bool CanHandle(string resourceUrl);
 
-        public FileStreamResult GetResponse(string resourceUrl)
+        public Task<FileStreamResult> GetResponse(string resourceUrl)
         {
             var filePath = Map(resourceUrl);
 
@@ -41,10 +42,10 @@ namespace Prowlarr.Http.Frontend.Mappers
                     contentType = "application/octet-stream";
                 }
 
-                return new FileStreamResult(GetContentStream(filePath), new MediaTypeHeaderValue(contentType)
+                return Task.FromResult(new FileStreamResult(GetContentStream(filePath), new MediaTypeHeaderValue(contentType)
                 {
                     Encoding = contentType == "text/plain" ? Encoding.UTF8 : null
-                });
+                }));
             }
 
             _logger.Warn("File {0} not found", filePath);

src/Prowlarr.Http/Frontend/StaticResourceController.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.Mvc;
@@ -25,27 +26,27 @@ namespace Prowlarr.Http.Frontend
 
         [AllowAnonymous]
         [HttpGet("login")]
-        public IActionResult LoginPage()
+        public async Task<IActionResult> LoginPage()
         {
-            return MapResource("login");
+            return await MapResource("login");
         }
 
         [EnableCors("AllowGet")]
         [AllowAnonymous]
         [HttpGet("/content/{**path:regex(^(?!api/).*)}")]
-        public IActionResult IndexContent([FromRoute] string path)
+        public async Task<IActionResult> IndexContent([FromRoute] string path)
         {
-            return MapResource("Content/" + path);
+            return await MapResource("Content/" + path);
         }
 
         [HttpGet("")]
         [HttpGet("/{**path:regex(^(?!api/).*)}")]
-        public IActionResult Index([FromRoute] string path)
+        public async Task<IActionResult> Index([FromRoute] string path)
         {
-            return MapResource(path);
+            return await MapResource(path);
         }
 
-        private IActionResult MapResource(string path)
+        private async Task<IActionResult> MapResource(string path)
         {
             path = "/" + (path ?? "");
 
@@ -53,7 +54,7 @@ namespace Prowlarr.Http.Frontend
 
             if (mapper != null)
             {
-                var result = mapper.GetResponse(path);
+                var result = await mapper.GetResponse(path);
 
                 if (result != null)
                 {