Merge pull request #4729 from BaronGreenback/19.0RC---Fix-networkInterfaceFix

(cherry picked from commit ccc1b8bf92)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

Emby.Dlna/Main/DlnaEntryPoint.cs

@@ -9,6 +9,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Emby.Dlna.PlayTo;
 using Emby.Dlna.Ssdp;
+using Jellyfin.Networking.Configuration;
 using Jellyfin.Networking.Manager;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
@@ -52,6 +53,8 @@ namespace Emby.Dlna.Main
         private readonly ISocketFactory _socketFactory;
         private readonly INetworkManager _networkManager;
         private readonly object _syncLock = new object();
+        private readonly NetworkConfiguration _netConfig;
+        private readonly bool _disabled;
 
         private PlayToManager _manager;
         private SsdpDevicePublisher _publisher;
@@ -122,6 +125,13 @@ namespace Emby.Dlna.Main
                 httpClientFactory,
                 config);
             Current = this;
+
+            _netConfig = config.GetConfiguration<NetworkConfiguration>("network");
+            _disabled = appHost.ListenWithHttps && _netConfig.RequireHttps;
+            if (_disabled)
+            {
+                _logger.LogError("The DLNA specification does not support HTTPS.");
+            }
         }
 
         public static DlnaEntryPoint Current { get; private set; }
@@ -141,6 +151,12 @@ namespace Emby.Dlna.Main
         {
             await ((DlnaManager)_dlnaManager).InitProfilesAsync().ConfigureAwait(false);
 
+            if (_disabled)
+            {
+                // No use starting as dlna won't work, as we're running purely on HTTPS.
+                return;
+            }
+
             ReloadComponents();
 
             _config.NamedConfigurationUpdated += OnNamedConfigurationUpdated;
@@ -296,12 +312,15 @@ namespace Emby.Dlna.Main
 
                 _logger.LogInformation("Registering publisher for {0} on {1}", fullService, address);
 
-                var uri = new Uri(_appHost.GetSmartApiUrl(address.Address) + descriptorUri);
+                var uri = new UriBuilder(_appHost.GetSmartApiUrl(address.Address) + descriptorUri);
+                // DLNA will only work over http, so we must reset to http:// : {port}
+                uri.Scheme = "http://";
+                uri.Port = _netConfig.PublicPort;
 
                 var device = new SsdpRootDevice
                 {
                     CacheLifetime = TimeSpan.FromSeconds(1800), // How long SSDP clients can cache this info.
-                    Location = uri, // Must point to the URL that serves your devices UPnP description document.
+                    Location = uri.Uri, // Must point to the URL that serves your devices UPnP description document.
                     Address = address.Address,
                     PrefixLength = address.PrefixLength,
                     FriendlyName = "Jellyfin",

Jellyfin.Networking/Manager/NetworkManager.cs

@@ -784,7 +784,7 @@ namespace Jellyfin.Networking.Manager
             }
             else
             {
-                _logger.LogDebug("Invalid or unknown network {Token}.", token);
+                _logger.LogDebug("Invalid or unknown object {Token}.", token);
             }
         }