New: Added warning for Download Station that 2FA is not supported

Closes #2451

src/NzbDrone.Core/Download/Clients/DownloadStation/TorrentDownloadStation.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -13,6 +13,7 @@ using NzbDrone.Core.Download.Clients.DownloadStation.Proxies;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
+using NzbDrone.Core.ThingiProvider;
 using NzbDrone.Core.Validation;
 
 namespace NzbDrone.Core.Download.Clients.DownloadStation
@@ -47,6 +48,8 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
 
         public override string Name => "Download Station";
 
+        public override ProviderMessage Message => new ProviderMessage("Sonarr is unable to connect to Download Station if 2-Factor Authentication is enabled on your DSM account", ProviderMessageType.Warning);
+
         protected IEnumerable<DownloadStationTask> GetTasks()
         {
             return _dsTaskProxy.GetTasks(Settings).Where(v => v.Type.ToLower() == DownloadStationTaskType.BT.ToString().ToLower());

src/NzbDrone.Core/Download/Clients/DownloadStation/UsenetDownloadStation.cs

@@ -11,6 +11,7 @@ using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download.Clients.DownloadStation.Proxies;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
+using NzbDrone.Core.ThingiProvider;
 using NzbDrone.Core.Validation;
 
 namespace NzbDrone.Core.Download.Clients.DownloadStation
@@ -46,6 +47,8 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
 
         public override string Name => "Download Station";
 
+        public override ProviderMessage Message => new ProviderMessage("Sonarr is unable to connect to Download Station if 2-Factor Authentication is enabled on your DSM account", ProviderMessageType.Warning);
+
         protected IEnumerable<DownloadStationTask> GetTasks()
         {
             return _dsTaskProxy.GetTasks(Settings).Where(v => v.Type.ToLower() == DownloadStationTaskType.NZB.ToString().ToLower());