Fixed: Show TLS errors in UI when testing download clients

src/NzbDrone.Core/Download/Clients/Deluge/Deluge.cs

@@ -267,7 +267,11 @@ namespace NzbDrone.Core.Download.Clients.Deluge
             catch (Exception ex)
             {
                 _logger.Error(ex, "Failed to test connection");
-                return new NzbDroneValidationFailure(string.Empty, "Unknown exception: " + ex.Message);
+
+                return new NzbDroneValidationFailure("Host", "Unable to connect to Deluge")
+                       {
+                           DetailedDescription = ex.Message
+                       };
             }
 
             return null;

src/NzbDrone.Core/Download/Clients/Deluge/DelugeProxy.cs

@@ -266,6 +266,11 @@ namespace NzbDrone.Core.Download.Clients.Deluge
             }
             catch (WebException ex)
             {
+                if (ex.Status == WebExceptionStatus.TrustFailure)
+                {
+                    throw new DownloadClientUnavailableException("Unable to connect to Deluge, certificate validation failed.", ex);
+                }
+
                 throw new DownloadClientUnavailableException("Unable to connect to Deluge, please check your settings", ex);
             }
         }

src/NzbDrone.Core/Download/Clients/DownloadStation/Proxies/DiskStationProxyBase.cs

@@ -85,6 +85,11 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation.Proxies
             }
             catch (WebException ex)
             {
+                if (ex.Status == WebExceptionStatus.TrustFailure)
+                {
+                    throw new DownloadClientUnavailableException("Unable to connect to Diskstation, certificate validation failed.", ex);
+                }
+
                 throw new DownloadClientUnavailableException("Unable to connect to Diskstation, please check your settings", ex);
             }
 

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

@@ -388,7 +388,11 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
             catch (Exception ex)
             {
                 _logger.Error(ex, "Error testing Torrent Download Station");
-                return new NzbDroneValidationFailure(string.Empty, $"Unknown exception: {ex.Message}");
+
+                return new NzbDroneValidationFailure("Host", "Unable to connect to Torrent Download Station")
+                       {
+                           DetailedDescription = ex.Message
+                       };
             }
         }
 

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

@@ -286,7 +286,11 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
             catch (Exception ex)
             {
                 _logger.Error(ex, "Error testing Torrent Download Station");
-                return new NzbDroneValidationFailure(string.Empty, "Unknown exception: " + ex.Message);
+
+                return new NzbDroneValidationFailure("Host", "Unable to connect to Usenet Download Station")
+                       {
+                           DetailedDescription = ex.Message
+                       };
             }
         }
 

src/NzbDrone.Core/Download/Clients/Hadouken/Hadouken.cs

@@ -158,7 +158,8 @@ namespace NzbDrone.Core.Download.Clients.Hadouken
 
                 if (version < new Version("5.1"))
                 {
-                    return new ValidationFailure(string.Empty, "Old Hadouken client with unsupported API, need 5.1 or higher");
+                    return new ValidationFailure(string.Empty,
+                        "Old Hadouken client with unsupported API, need 5.1 or higher");
                 }
             }
             catch (DownloadClientAuthenticationException ex)
@@ -167,6 +168,13 @@ namespace NzbDrone.Core.Download.Clients.Hadouken
 
                 return new NzbDroneValidationFailure("Password", "Authentication failed");
             }
+            catch (Exception ex)
+            {
+                return new NzbDroneValidationFailure("Host", "Unable to connect to Hadouken")
+                       {
+                           DetailedDescription = ex.Message
+                       };
+            }
 
             return null;
         }

src/NzbDrone.Core/Download/Clients/Hadouken/HadoukenProxy.cs

@@ -90,6 +90,11 @@ namespace NzbDrone.Core.Download.Clients.Hadouken
             }
             catch (WebException ex)
             {
+                if (ex.Status == WebExceptionStatus.TrustFailure)
+                {
+                    throw new DownloadClientUnavailableException("Unable to connect to Hadouken, certificate validation failed.", ex);
+                }
+
                 throw new DownloadClientUnavailableException("Unable to connect to Hadouken, please check your settings", ex);
             }
 

src/NzbDrone.Core/Download/Clients/NzbVortex/NzbVortex.cs

@@ -163,7 +163,11 @@ namespace NzbDrone.Core.Download.Clients.NzbVortex
             catch (Exception ex)
             {
                 _logger.Error(ex, "Unable to connect to NZBVortex");
-                return new ValidationFailure("Host", "Unable to connect to NZBVortex");
+
+                return new NzbDroneValidationFailure("Host", "Unable to connect to NZBVortex")
+                       {
+                           DetailedDescription = ex.Message
+                       };
             }
 
             return null;

src/NzbDrone.Core/Download/Clients/NzbVortex/NzbVortexProxy.cs

@@ -165,6 +165,11 @@ namespace NzbDrone.Core.Download.Clients.NzbVortex
             }
             catch (WebException ex)
             {
+                if (ex.Status == WebExceptionStatus.TrustFailure)
+                {
+                    throw new DownloadClientUnavailableException("Unable to connect to NZBVortex, certificate validation failed.", ex);
+                }
+
                 throw new DownloadClientUnavailableException("Unable to connect to NZBVortex, please check your settings", ex);
             }
         }

src/NzbDrone.Core/Download/Clients/QBittorrent/QBittorrent.cs

@@ -381,7 +381,11 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             catch (Exception ex)
             {
                 _logger.Error(ex, "Unable to test qBittorrent");
-                return new NzbDroneValidationFailure(string.Empty, "Unknown exception: " + ex.Message);
+
+                return new NzbDroneValidationFailure("Host", "Unable to connect to qBittorrent")
+                       {
+                           DetailedDescription = ex.Message
+                       };
             }
 
             return null;

src/NzbDrone.Core/Download/Clients/QBittorrent/QBittorrentProxyV2.cs

@@ -54,6 +54,11 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             }
             catch (WebException ex)
             {
+                if (ex.Status == WebExceptionStatus.TrustFailure)
+                {
+                    throw new DownloadClientUnavailableException("Unable to connect to qBittorrent, certificate validation failed.", ex);
+                }
+
                 throw new DownloadClientException("Failed to connect to qBittorrent, check your settings.", ex);
             }
         }

src/NzbDrone.Core/Download/Clients/Transmission/TransmissionBase.cs

@@ -261,15 +261,17 @@ namespace NzbDrone.Core.Download.Clients.Transmission
             }
             catch (DownloadClientUnavailableException ex)
             {
-                _logger.Error(ex, "Unable to connect to transmission");
-                return new NzbDroneValidationFailure("Host", "Unable to connect")
-                {
-                    DetailedDescription = "Please verify the hostname and port."
-                };
+                _logger.Error(ex, ex.Message);
+
+                return new NzbDroneValidationFailure("Host", "Unable to connect to Transmission")
+                       {
+                           DetailedDescription = ex.Message
+                       };
             }
             catch (Exception ex)
             {
                 _logger.Error(ex, "Failed to test");
+
                 return new NzbDroneValidationFailure(string.Empty, "Unknown exception: " + ex.Message);
             }
         }

src/NzbDrone.Core/Download/Clients/Transmission/TransmissionProxy.cs

@@ -308,6 +308,11 @@ namespace NzbDrone.Core.Download.Clients.Transmission
             }
             catch (WebException ex)
             {
+                if (ex.Status == WebExceptionStatus.TrustFailure)
+                {
+                    throw new DownloadClientUnavailableException("Unable to connect to Transmission, certificate validation failed.", ex);
+                }
+
                 throw new DownloadClientUnavailableException("Unable to connect to Transmission, please check your settings", ex);
             }
         }

src/NzbDrone.Core/Download/Clients/rTorrent/RTorrent.cs

@@ -208,7 +208,11 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
             catch (Exception ex)
             {
                 _logger.Error(ex, "Failed to test rTorrent");
-                return new NzbDroneValidationFailure(string.Empty, "Unknown exception: " + ex.Message);
+
+                return new NzbDroneValidationFailure("Host", "Unable to connect to rTorrent")
+                       {
+                           DetailedDescription = ex.Message
+                       };
             }
 
             return null;

src/NzbDrone.Core/Download/Clients/rTorrent/RTorrentProxy.cs

@@ -264,6 +264,11 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
             }
             catch (WebException ex)
             {
+                if (ex.Status == WebExceptionStatus.TrustFailure)
+                {
+                    throw new DownloadClientUnavailableException("Unable to connect to rTorrent, certificate validation failed.", ex);
+                }
+
                 throw new DownloadClientUnavailableException("Unable to connect to rTorrent, please check your settings", ex);
             }
         }

src/NzbDrone.Core/Download/Clients/uTorrent/UTorrent.cs

@@ -291,7 +291,11 @@ namespace NzbDrone.Core.Download.Clients.UTorrent
             catch (Exception ex)
             {
                 _logger.Error(ex, "Failed to test uTorrent");
-                return new NzbDroneValidationFailure(string.Empty, "Unknown exception: " + ex.Message);
+
+                return new NzbDroneValidationFailure("Host", "Unable to connect to uTorrent")
+                       {
+                           DetailedDescription = ex.Message
+                       };
             }
 
             return null;

src/NzbDrone.Core/Download/Clients/uTorrent/UTorrentProxy.cs

@@ -231,6 +231,11 @@ namespace NzbDrone.Core.Download.Clients.UTorrent
             }
             catch (WebException ex)
             {
+                if (ex.Status == WebExceptionStatus.TrustFailure)
+                {
+                    throw new DownloadClientUnavailableException("Unable to connect to uTorrent, certificate validation failed.", ex);
+                }
+
                 throw new DownloadClientException("Unable to connect to uTorrent, please check your settings", ex);
             }