Change redirect type to 301 (Perm)

src/Prowlarr.Api.V1/Indexers/IndexerModule.cs

@@ -123,7 +123,7 @@ namespace Prowlarr.Api.V1.Indexers
             if (indexer.SupportsRedirect && indexerDef.Redirect)
             {
                 _downloadService.RecordRedirect(unprotectedlLink, id, source, file);
-                return Response.AsRedirect(unprotectedlLink);
+                return Response.AsRedirect(unprotectedlLink, Nancy.Responses.RedirectResponse.RedirectType.Permanent);
             }
 
             var downloadBytes = Array.Empty<byte>();
@@ -140,7 +140,7 @@ namespace Prowlarr.Api.V1.Indexers
                 && downloadBytes[6] == 0x3a)
             {
                 var magnetUrl = Encoding.UTF8.GetString(downloadBytes);
-                return Response.AsRedirect(magnetUrl);
+                return Response.AsRedirect(magnetUrl, Nancy.Responses.RedirectResponse.RedirectType.Permanent);
             }
 
             var contentType = indexer.Protocol == DownloadProtocol.Torrent ? "application/x-bittorrent" : "application/x-nzb";

src/Prowlarr.Http/ErrorManagement/ErrorHandler.cs

@@ -1,4 +1,4 @@
-using Nancy;
+using Nancy;
 using Nancy.ErrorHandling;
 using Prowlarr.Http.Extensions;
 
@@ -13,7 +13,7 @@ namespace Prowlarr.Http.ErrorManagement
 
         public void Handle(HttpStatusCode statusCode, NancyContext context)
         {
-            if (statusCode == HttpStatusCode.SeeOther || statusCode == HttpStatusCode.OK)
+            if (statusCode == HttpStatusCode.SeeOther || statusCode == HttpStatusCode.MovedPermanently || statusCode == HttpStatusCode.OK)
             {
                 return;
             }