Add private IPv6 networks

(cherry picked from commit 52972e7efcce800560cbbaa64f5f76aaef6cbe77)

azure-pipelines.yml

@@ -9,7 +9,7 @@ variables:
   testsFolder: './_tests'
   yarnCacheFolder: $(Pipeline.Workspace)/.yarn
   nugetCacheFolder: $(Pipeline.Workspace)/.nuget/packages
-  majorVersion: '6.0.3'
+  majorVersion: '6.0.4'
   minorVersion: $[counter('minorVersion', 2000)]
   radarrVersion: '$(majorVersion).$(minorVersion)'
   buildName: '$(Build.SourceBranchName).$(radarrVersion)'

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

@@ -424,8 +424,8 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
                 }
                 catch (HttpException ex)
                 {
-                    _logger.Debug("qbitTorrent authentication failed.");
-                    if (ex.Response.StatusCode == HttpStatusCode.Forbidden)
+                    _logger.Debug(ex, "qbitTorrent authentication failed.");
+                    if (ex.Response.StatusCode is HttpStatusCode.Unauthorized or HttpStatusCode.Forbidden)
                     {
                         throw new DownloadClientAuthenticationException("Failed to authenticate with qBittorrent.", ex);
                     }
@@ -437,7 +437,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
                     throw new DownloadClientUnavailableException("Failed to connect to qBittorrent, please check your settings.", ex);
                 }
 
-                if (response.Content != "Ok.")
+                if (response.Content.IsNotNullOrWhiteSpace() && response.Content != "Ok.")
                 {
                     // returns "Fails." on bad login
                     _logger.Debug("qbitTorrent authentication failed.");

src/NzbDrone.Host/Startup.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Net;
 using DryIoc;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Builder;
@@ -32,6 +33,7 @@ using Radarr.Http.ClientSchema;
 using Radarr.Http.ErrorManagement;
 using Radarr.Http.Frontend;
 using Radarr.Http.Middleware;
+using IPNetwork = Microsoft.AspNetCore.HttpOverrides.IPNetwork;
 using LogLevel = Microsoft.Extensions.Logging.LogLevel;
 
 namespace NzbDrone.Host
@@ -60,8 +62,11 @@ namespace NzbDrone.Host
             services.Configure<ForwardedHeadersOptions>(options =>
             {
                 options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto | ForwardedHeaders.XForwardedHost;
-                options.KnownNetworks.Clear();
-                options.KnownProxies.Clear();
+                options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("10.0.0.0"), 8));
+                options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("172.16.0.0"), 12));
+                options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("192.168.0.0"), 16));
+                options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("fc00::"), 7));
+                options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("fe80::"), 10));
             });
 
             services.AddRouting(options => options.LowercaseUrls = true);