Allow plugins to register services.

Emby.Server.Implementations/ApplicationHost.cs

@@ -53,7 +53,6 @@ using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Plugins;
 using MediaBrowser.Common.Updates;
 using MediaBrowser.Controller;
-using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Chapters;
 using MediaBrowser.Controller.Collections;
@@ -173,6 +172,8 @@ namespace Emby.Server.Implementations
         /// </summary>
         protected ILogger<ApplicationHost> Logger { get; }
 
+        protected IServiceCollection ServiceCollection { get; }
+
         private IPlugin[] _plugins;
 
         /// <summary>
@@ -238,9 +239,11 @@ namespace Emby.Server.Implementations
             ILoggerFactory loggerFactory,
             IStartupOptions options,
             IFileSystem fileSystem,
-            INetworkManager networkManager)
+            INetworkManager networkManager,
+            IServiceCollection serviceCollection)
         {
             _xmlSerializer = new MyXmlSerializer();
+            ServiceCollection = serviceCollection;
 
             _networkManager = networkManager;
             networkManager.LocalSubnetsFn = GetConfiguredLocalSubnets;
@@ -464,7 +467,7 @@ namespace Emby.Server.Implementations
         }
 
         /// <inheritdoc/>
-        public void Init(IServiceCollection serviceCollection)
+        public void Init()
         {
             HttpPort = ServerConfigurationManager.Configuration.HttpServerPortNumber;
             HttpsPort = ServerConfigurationManager.Configuration.HttpsPortNumber;
@@ -493,7 +496,7 @@ namespace Emby.Server.Implementations
 
             DiscoverTypes();
 
-            RegisterServices(serviceCollection);
+            RegisterServices();
         }
 
         public Task ExecuteHttpHandlerAsync(HttpContext context, Func<Task> next)
@@ -502,136 +505,136 @@ namespace Emby.Server.Implementations
         /// <summary>
         /// Registers services/resources with the service collection that will be available via DI.
         /// </summary>
-        protected virtual void RegisterServices(IServiceCollection serviceCollection)
+        protected virtual void RegisterServices()
         {
-            serviceCollection.AddSingleton(_startupOptions);
+            ServiceCollection.AddSingleton(_startupOptions);
 
-            serviceCollection.AddMemoryCache();
+            ServiceCollection.AddMemoryCache();
 
-            serviceCollection.AddSingleton(ConfigurationManager);
-            serviceCollection.AddSingleton<IApplicationHost>(this);
+            ServiceCollection.AddSingleton(ConfigurationManager);
+            ServiceCollection.AddSingleton<IApplicationHost>(this);
 
-            serviceCollection.AddSingleton<IApplicationPaths>(ApplicationPaths);
+            ServiceCollection.AddSingleton<IApplicationPaths>(ApplicationPaths);
 
-            serviceCollection.AddSingleton<IJsonSerializer, JsonSerializer>();
+            ServiceCollection.AddSingleton<IJsonSerializer, JsonSerializer>();
 
-            serviceCollection.AddSingleton(_fileSystemManager);
-            serviceCollection.AddSingleton<TvdbClientManager>();
+            ServiceCollection.AddSingleton(_fileSystemManager);
+            ServiceCollection.AddSingleton<TvdbClientManager>();
 
-            serviceCollection.AddSingleton<IHttpClient, HttpClientManager.HttpClientManager>();
+            ServiceCollection.AddSingleton<IHttpClient, HttpClientManager.HttpClientManager>();
 
-            serviceCollection.AddSingleton(_networkManager);
+            ServiceCollection.AddSingleton(_networkManager);
 
-            serviceCollection.AddSingleton<IIsoManager, IsoManager>();
+            ServiceCollection.AddSingleton<IIsoManager, IsoManager>();
 
-            serviceCollection.AddSingleton<ITaskManager, TaskManager>();
+            ServiceCollection.AddSingleton<ITaskManager, TaskManager>();
 
-            serviceCollection.AddSingleton(_xmlSerializer);
+            ServiceCollection.AddSingleton(_xmlSerializer);
 
-            serviceCollection.AddSingleton<IStreamHelper, StreamHelper>();
+            ServiceCollection.AddSingleton<IStreamHelper, StreamHelper>();
 
-            serviceCollection.AddSingleton<ICryptoProvider, CryptographyProvider>();
+            ServiceCollection.AddSingleton<ICryptoProvider, CryptographyProvider>();
 
-            serviceCollection.AddSingleton<ISocketFactory, SocketFactory>();
+            ServiceCollection.AddSingleton<ISocketFactory, SocketFactory>();
 
-            serviceCollection.AddSingleton<IInstallationManager, InstallationManager>();
+            ServiceCollection.AddSingleton<IInstallationManager, InstallationManager>();
 
-            serviceCollection.AddSingleton<IZipClient, ZipClient>();
+            ServiceCollection.AddSingleton<IZipClient, ZipClient>();
 
-            serviceCollection.AddSingleton<IHttpResultFactory, HttpResultFactory>();
+            ServiceCollection.AddSingleton<IHttpResultFactory, HttpResultFactory>();
 
-            serviceCollection.AddSingleton<IServerApplicationHost>(this);
-            serviceCollection.AddSingleton<IServerApplicationPaths>(ApplicationPaths);
+            ServiceCollection.AddSingleton<IServerApplicationHost>(this);
+            ServiceCollection.AddSingleton<IServerApplicationPaths>(ApplicationPaths);
 
-            serviceCollection.AddSingleton(ServerConfigurationManager);
+            ServiceCollection.AddSingleton(ServerConfigurationManager);
 
-            serviceCollection.AddSingleton<ILocalizationManager, LocalizationManager>();
+            ServiceCollection.AddSingleton<ILocalizationManager, LocalizationManager>();
 
-            serviceCollection.AddSingleton<IBlurayExaminer, BdInfoExaminer>();
+            ServiceCollection.AddSingleton<IBlurayExaminer, BdInfoExaminer>();
 
-            serviceCollection.AddSingleton<IUserDataRepository, SqliteUserDataRepository>();
-            serviceCollection.AddSingleton<IUserDataManager, UserDataManager>();
+            ServiceCollection.AddSingleton<IUserDataRepository, SqliteUserDataRepository>();
+            ServiceCollection.AddSingleton<IUserDataManager, UserDataManager>();
 
-            serviceCollection.AddSingleton<IItemRepository, SqliteItemRepository>();
+            ServiceCollection.AddSingleton<IItemRepository, SqliteItemRepository>();
 
-            serviceCollection.AddSingleton<IAuthenticationRepository, AuthenticationRepository>();
+            ServiceCollection.AddSingleton<IAuthenticationRepository, AuthenticationRepository>();
 
             // TODO: Refactor to eliminate the circular dependency here so that Lazy<T> isn't required
-            serviceCollection.AddTransient(provider => new Lazy<IDtoService>(provider.GetRequiredService<IDtoService>));
+            ServiceCollection.AddTransient(provider => new Lazy<IDtoService>(provider.GetRequiredService<IDtoService>));
 
             // TODO: Refactor to eliminate the circular dependency here so that Lazy<T> isn't required
-            serviceCollection.AddTransient(provider => new Lazy<EncodingHelper>(provider.GetRequiredService<EncodingHelper>));
-            serviceCollection.AddSingleton<IMediaEncoder, MediaBrowser.MediaEncoding.Encoder.MediaEncoder>();
+            ServiceCollection.AddTransient(provider => new Lazy<EncodingHelper>(provider.GetRequiredService<EncodingHelper>));
+            ServiceCollection.AddSingleton<IMediaEncoder, MediaBrowser.MediaEncoding.Encoder.MediaEncoder>();
 
             // TODO: Refactor to eliminate the circular dependencies here so that Lazy<T> isn't required
-            serviceCollection.AddTransient(provider => new Lazy<ILibraryMonitor>(provider.GetRequiredService<ILibraryMonitor>));
-            serviceCollection.AddTransient(provider => new Lazy<IProviderManager>(provider.GetRequiredService<IProviderManager>));
-            serviceCollection.AddTransient(provider => new Lazy<IUserViewManager>(provider.GetRequiredService<IUserViewManager>));
-            serviceCollection.AddSingleton<ILibraryManager, LibraryManager>();
+            ServiceCollection.AddTransient(provider => new Lazy<ILibraryMonitor>(provider.GetRequiredService<ILibraryMonitor>));
+            ServiceCollection.AddTransient(provider => new Lazy<IProviderManager>(provider.GetRequiredService<IProviderManager>));
+            ServiceCollection.AddTransient(provider => new Lazy<IUserViewManager>(provider.GetRequiredService<IUserViewManager>));
+            ServiceCollection.AddSingleton<ILibraryManager, LibraryManager>();
 
-            serviceCollection.AddSingleton<IMusicManager, MusicManager>();
+            ServiceCollection.AddSingleton<IMusicManager, MusicManager>();
 
-            serviceCollection.AddSingleton<ILibraryMonitor, LibraryMonitor>();
+            ServiceCollection.AddSingleton<ILibraryMonitor, LibraryMonitor>();
 
-            serviceCollection.AddSingleton<ISearchEngine, SearchEngine>();
+            ServiceCollection.AddSingleton<ISearchEngine, SearchEngine>();
 
-            serviceCollection.AddSingleton<ServiceController>();
-            serviceCollection.AddSingleton<IHttpServer, HttpListenerHost>();
+            ServiceCollection.AddSingleton<ServiceController>();
+            ServiceCollection.AddSingleton<IHttpServer, HttpListenerHost>();
 
-            serviceCollection.AddSingleton<IImageProcessor, ImageProcessor>();
+            ServiceCollection.AddSingleton<IImageProcessor, ImageProcessor>();
 
-            serviceCollection.AddSingleton<ITVSeriesManager, TVSeriesManager>();
+            ServiceCollection.AddSingleton<ITVSeriesManager, TVSeriesManager>();
 
-            serviceCollection.AddSingleton<IDeviceManager, DeviceManager>();
+            ServiceCollection.AddSingleton<IDeviceManager, DeviceManager>();
 
-            serviceCollection.AddSingleton<IMediaSourceManager, MediaSourceManager>();
+            ServiceCollection.AddSingleton<IMediaSourceManager, MediaSourceManager>();
 
-            serviceCollection.AddSingleton<ISubtitleManager, SubtitleManager>();
+            ServiceCollection.AddSingleton<ISubtitleManager, SubtitleManager>();
 
-            serviceCollection.AddSingleton<IProviderManager, ProviderManager>();
+            ServiceCollection.AddSingleton<IProviderManager, ProviderManager>();
 
             // TODO: Refactor to eliminate the circular dependency here so that Lazy<T> isn't required
-            serviceCollection.AddTransient(provider => new Lazy<ILiveTvManager>(provider.GetRequiredService<ILiveTvManager>));
-            serviceCollection.AddSingleton<IDtoService, DtoService>();
+            ServiceCollection.AddTransient(provider => new Lazy<ILiveTvManager>(provider.GetRequiredService<ILiveTvManager>));
+            ServiceCollection.AddSingleton<IDtoService, DtoService>();
 
-            serviceCollection.AddSingleton<IChannelManager, ChannelManager>();
+            ServiceCollection.AddSingleton<IChannelManager, ChannelManager>();
 
-            serviceCollection.AddSingleton<ISessionManager, SessionManager>();
+            ServiceCollection.AddSingleton<ISessionManager, SessionManager>();
 
-            serviceCollection.AddSingleton<IDlnaManager, DlnaManager>();
+            ServiceCollection.AddSingleton<IDlnaManager, DlnaManager>();
 
-            serviceCollection.AddSingleton<ICollectionManager, CollectionManager>();
+            ServiceCollection.AddSingleton<ICollectionManager, CollectionManager>();
 
-            serviceCollection.AddSingleton<IPlaylistManager, PlaylistManager>();
+            ServiceCollection.AddSingleton<IPlaylistManager, PlaylistManager>();
 
-            serviceCollection.AddSingleton<ISyncPlayManager, SyncPlayManager>();
+            ServiceCollection.AddSingleton<ISyncPlayManager, SyncPlayManager>();
 
-            serviceCollection.AddSingleton<LiveTvDtoService>();
-            serviceCollection.AddSingleton<ILiveTvManager, LiveTvManager>();
+            ServiceCollection.AddSingleton<LiveTvDtoService>();
+            ServiceCollection.AddSingleton<ILiveTvManager, LiveTvManager>();
 
-            serviceCollection.AddSingleton<IUserViewManager, UserViewManager>();
+            ServiceCollection.AddSingleton<IUserViewManager, UserViewManager>();
 
-            serviceCollection.AddSingleton<INotificationManager, NotificationManager>();
+            ServiceCollection.AddSingleton<INotificationManager, NotificationManager>();
 
-            serviceCollection.AddSingleton<IDeviceDiscovery, DeviceDiscovery>();
+            ServiceCollection.AddSingleton<IDeviceDiscovery, DeviceDiscovery>();
 
-            serviceCollection.AddSingleton<IChapterManager, ChapterManager>();
+            ServiceCollection.AddSingleton<IChapterManager, ChapterManager>();
 
-            serviceCollection.AddSingleton<IEncodingManager, MediaEncoder.EncodingManager>();
+            ServiceCollection.AddSingleton<IEncodingManager, MediaEncoder.EncodingManager>();
 
-            serviceCollection.AddSingleton<IAuthorizationContext, AuthorizationContext>();
-            serviceCollection.AddSingleton<ISessionContext, SessionContext>();
+            ServiceCollection.AddSingleton<IAuthorizationContext, AuthorizationContext>();
+            ServiceCollection.AddSingleton<ISessionContext, SessionContext>();
 
-            serviceCollection.AddSingleton<IAuthService, AuthService>();
+            ServiceCollection.AddSingleton<IAuthService, AuthService>();
 
-            serviceCollection.AddSingleton<ISubtitleEncoder, MediaBrowser.MediaEncoding.Subtitles.SubtitleEncoder>();
+            ServiceCollection.AddSingleton<ISubtitleEncoder, MediaBrowser.MediaEncoding.Subtitles.SubtitleEncoder>();
 
-            serviceCollection.AddSingleton<IResourceFileManager, ResourceFileManager>();
-            serviceCollection.AddSingleton<EncodingHelper>();
+            ServiceCollection.AddSingleton<IResourceFileManager, ResourceFileManager>();
+            ServiceCollection.AddSingleton<EncodingHelper>();
 
-            serviceCollection.AddSingleton<IAttachmentExtractor, MediaBrowser.MediaEncoding.Attachments.AttachmentExtractor>();
+            ServiceCollection.AddSingleton<IAttachmentExtractor, MediaBrowser.MediaEncoding.Attachments.AttachmentExtractor>();
 
-            serviceCollection.AddSingleton<TranscodingJobHelper>();
+            ServiceCollection.AddSingleton<TranscodingJobHelper>();
         }
 
         /// <summary>
@@ -831,6 +834,8 @@ namespace Emby.Server.Implementations
                 {
                     hasPluginConfiguration.SetStartupInfo(s => Directory.CreateDirectory(s));
                 }
+
+                plugin.RegisterServices(ServiceCollection);
             }
             catch (Exception ex)
             {

Jellyfin.Server/CoreAppHost.cs

@@ -33,30 +33,33 @@ namespace Jellyfin.Server
         /// <param name="options">The <see cref="StartupOptions" /> to be used by the <see cref="CoreAppHost" />.</param>
         /// <param name="fileSystem">The <see cref="IFileSystem" /> to be used by the <see cref="CoreAppHost" />.</param>
         /// <param name="networkManager">The <see cref="INetworkManager" /> to be used by the <see cref="CoreAppHost" />.</param>
+        /// <param name="collection">The <see cref="IServiceCollection"/> to be used by the <see cref="CoreAppHost"/>.</param>
         public CoreAppHost(
             IServerApplicationPaths applicationPaths,
             ILoggerFactory loggerFactory,
             IStartupOptions options,
             IFileSystem fileSystem,
-            INetworkManager networkManager)
+            INetworkManager networkManager,
+            IServiceCollection collection)
             : base(
                 applicationPaths,
                 loggerFactory,
                 options,
                 fileSystem,
-                networkManager)
+                networkManager,
+                collection)
         {
         }
 
         /// <inheritdoc/>
-        protected override void RegisterServices(IServiceCollection serviceCollection)
+        protected override void RegisterServices()
         {
             // Register an image encoder
             bool useSkiaEncoder = SkiaEncoder.IsNativeLibAvailable();
             Type imageEncoderType = useSkiaEncoder
                 ? typeof(SkiaEncoder)
                 : typeof(NullImageEncoder);
-            serviceCollection.AddSingleton(typeof(IImageEncoder), imageEncoderType);
+            ServiceCollection.AddSingleton(typeof(IImageEncoder), imageEncoderType);
 
             // Log a warning if the Skia encoder could not be used
             if (!useSkiaEncoder)
@@ -71,15 +74,15 @@ namespace Jellyfin.Server
             //         .UseSqlite($"Filename={Path.Combine(ApplicationPaths.DataPath, "jellyfin.db")}"),
             //     ServiceLifetime.Transient);
 
-            serviceCollection.AddEventServices();
-            serviceCollection.AddSingleton<IEventManager, EventManager>();
-            serviceCollection.AddSingleton<JellyfinDbProvider>();
+            ServiceCollection.AddEventServices();
+            ServiceCollection.AddSingleton<IEventManager, EventManager>();
+            ServiceCollection.AddSingleton<JellyfinDbProvider>();
 
-            serviceCollection.AddSingleton<IActivityManager, ActivityManager>();
-            serviceCollection.AddSingleton<IUserManager, UserManager>();
-            serviceCollection.AddSingleton<IDisplayPreferencesManager, DisplayPreferencesManager>();
+            ServiceCollection.AddSingleton<IActivityManager, ActivityManager>();
+            ServiceCollection.AddSingleton<IUserManager, UserManager>();
+            ServiceCollection.AddSingleton<IDisplayPreferencesManager, DisplayPreferencesManager>();
 
-            base.RegisterServices(serviceCollection);
+            base.RegisterServices();
         }
 
         /// <inheritdoc />

Jellyfin.Server/Program.cs

@@ -154,13 +154,15 @@ namespace Jellyfin.Server
             ApplicationHost.LogEnvironmentInfo(_logger, appPaths);
 
             PerformStaticInitialization();
+            var serviceCollection = new ServiceCollection();
 
             var appHost = new CoreAppHost(
                 appPaths,
                 _loggerFactory,
                 options,
                 new ManagedFileSystem(_loggerFactory.CreateLogger<ManagedFileSystem>(), appPaths),
-                new NetworkManager(_loggerFactory.CreateLogger<NetworkManager>()));
+                new NetworkManager(_loggerFactory.CreateLogger<NetworkManager>()),
+                serviceCollection);
 
             try
             {
@@ -178,8 +180,7 @@ namespace Jellyfin.Server
                     }
                 }
 
-                ServiceCollection serviceCollection = new ServiceCollection();
-                appHost.Init(serviceCollection);
+                appHost.Init();
 
                 var webHost = new WebHostBuilder().ConfigureWebHostBuilder(appHost, serviceCollection, options, startupConfig, appPaths).Build();
 

MediaBrowser.Common/IApplicationHost.cs

@@ -116,8 +116,7 @@ namespace MediaBrowser.Common
         /// <summary>
         /// Initializes this instance.
         /// </summary>
-        /// <param name="serviceCollection">The service collection.</param>
-        void Init(IServiceCollection serviceCollection);
+        void Init();
 
         /// <summary>
         /// Creates the instance.

MediaBrowser.Common/Plugins/BasePlugin.cs

@@ -6,6 +6,7 @@ using System.Reflection;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.Plugins;
 using MediaBrowser.Model.Serialization;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace MediaBrowser.Common.Plugins
 {
@@ -81,6 +82,16 @@ namespace MediaBrowser.Common.Plugins
         {
         }
 
+        /// <inheritdoc />
+        public virtual void RegisterServices(IServiceCollection serviceCollection)
+        {
+        }
+
+        /// <inheritdoc />
+        public virtual void UnregisterServices(IServiceCollection serviceCollection)
+        {
+        }
+
         /// <inheritdoc />
         public void SetAttributes(string assemblyFilePath, string dataFolderPath, Version assemblyVersion)
         {

MediaBrowser.Common/Plugins/IPlugin.cs

@@ -2,6 +2,7 @@
 
 using System;
 using MediaBrowser.Model.Plugins;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace MediaBrowser.Common.Plugins
 {
@@ -61,6 +62,18 @@ namespace MediaBrowser.Common.Plugins
         /// Called when just before the plugin is uninstalled from the server.
         /// </summary>
         void OnUninstalling();
+
+        /// <summary>
+        /// Registers the plugin's services to the service collection.
+        /// </summary>
+        /// <param name="serviceCollection">The service collection.</param>
+        void RegisterServices(IServiceCollection serviceCollection);
+
+        /// <summary>
+        /// Unregisters the plugin's services from the service collection.
+        /// </summary>
+        /// <param name="serviceCollection">The service collection.</param>
+        void UnregisterServices(IServiceCollection serviceCollection);
     }
 
     public interface IHasPluginConfiguration

tests/MediaBrowser.Api.Tests/JellyfinApplicationFactory.cs

@@ -72,6 +72,7 @@ namespace MediaBrowser.Api.Tests
             var startupConfig = Program.CreateAppConfiguration(commandLineOpts, appPaths);
 
             ILoggerFactory loggerFactory = new SerilogLoggerFactory();
+            var serviceCollection = new ServiceCollection();
             _disposableComponents.Add(loggerFactory);
 
             // Create the app host and initialize it
@@ -80,10 +81,10 @@ namespace MediaBrowser.Api.Tests
                 loggerFactory,
                 commandLineOpts,
                 new ManagedFileSystem(loggerFactory.CreateLogger<ManagedFileSystem>(), appPaths),
-                new NetworkManager(loggerFactory.CreateLogger<NetworkManager>()));
+                new NetworkManager(loggerFactory.CreateLogger<NetworkManager>()),
+                serviceCollection);
             _disposableComponents.Add(appHost);
-            var serviceCollection = new ServiceCollection();
-            appHost.Init(serviceCollection);
+            appHost.Init();
 
             // Configure the web host builder
             Program.ConfigureWebHostBuilder(builder, appHost, serviceCollection, commandLineOpts, startupConfig, appPaths);