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Diffstat (limited to 'MediaBrowser.Server.Implementations/HttpServer/HttpServer.cs')
| -rw-r--r-- | MediaBrowser.Server.Implementations/HttpServer/HttpServer.cs | 642 |
1 files changed, 0 insertions, 642 deletions
diff --git a/MediaBrowser.Server.Implementations/HttpServer/HttpServer.cs b/MediaBrowser.Server.Implementations/HttpServer/HttpServer.cs deleted file mode 100644 index 7d049549b..000000000 --- a/MediaBrowser.Server.Implementations/HttpServer/HttpServer.cs +++ /dev/null @@ -1,642 +0,0 @@ -using Funq; -using MediaBrowser.Common; -using MediaBrowser.Common.Extensions; -using MediaBrowser.Common.Net; -using MediaBrowser.Model.Logging; -using ServiceStack.Api.Swagger; -using ServiceStack.Common.Web; -using ServiceStack.Configuration; -using ServiceStack.Logging; -using ServiceStack.ServiceHost; -using ServiceStack.ServiceInterface.Cors; -using ServiceStack.Text; -using ServiceStack.WebHost.Endpoints; -using ServiceStack.WebHost.Endpoints.Extensions; -using ServiceStack.WebHost.Endpoints.Support; -using System; -using System.Collections.Concurrent; -using System.Collections.Generic; -using System.Globalization; -using System.IO; -using System.Linq; -using System.Net; -using System.Net.WebSockets; -using System.Reactive.Linq; -using System.Reflection; -using System.Text; -using System.Threading.Tasks; - -namespace MediaBrowser.Server.Implementations.HttpServer -{ - /// <summary> - /// Class HttpServer - /// </summary> - public class HttpServer : HttpListenerBase, IHttpServer - { - /// <summary> - /// The logger - /// </summary> - private readonly ILogger _logger; - - /// <summary> - /// Gets the URL prefix. - /// </summary> - /// <value>The URL prefix.</value> - public string UrlPrefix { get; private set; } - - /// <summary> - /// The _rest services - /// </summary> - private readonly List<IRestfulService> _restServices = new List<IRestfulService>(); - - /// <summary> - /// This subscribes to HttpListener requests and finds the appropriate BaseHandler to process it - /// </summary> - /// <value>The HTTP listener.</value> - private IDisposable HttpListener { get; set; } - - /// <summary> - /// Occurs when [web socket connected]. - /// </summary> - public event EventHandler<WebSocketConnectEventArgs> WebSocketConnected; - - /// <summary> - /// Gets the default redirect path. - /// </summary> - /// <value>The default redirect path.</value> - private string DefaultRedirectPath { get; set; } - - /// <summary> - /// Gets or sets the name of the server. - /// </summary> - /// <value>The name of the server.</value> - private string ServerName { get; set; } - - /// <summary> - /// The _container adapter - /// </summary> - private readonly ContainerAdapter _containerAdapter; - - private readonly ConcurrentDictionary<string, string> _localEndPoints = new ConcurrentDictionary<string, string>(StringComparer.OrdinalIgnoreCase); - - /// <summary> - /// Gets the local end points. - /// </summary> - /// <value>The local end points.</value> - public IEnumerable<string> LocalEndPoints - { - get { return _localEndPoints.Keys.ToList(); } - } - - /// <summary> - /// Initializes a new instance of the <see cref="HttpServer" /> class. - /// </summary> - /// <param name="applicationHost">The application host.</param> - /// <param name="logManager">The log manager.</param> - /// <param name="serverName">Name of the server.</param> - /// <param name="defaultRedirectpath">The default redirectpath.</param> - /// <exception cref="System.ArgumentNullException">urlPrefix</exception> - public HttpServer(IApplicationHost applicationHost, ILogManager logManager, string serverName, string defaultRedirectpath) - : base() - { - if (logManager == null) - { - throw new ArgumentNullException("logManager"); - } - if (applicationHost == null) - { - throw new ArgumentNullException("applicationHost"); - } - if (string.IsNullOrEmpty(serverName)) - { - throw new ArgumentNullException("serverName"); - } - if (string.IsNullOrEmpty(defaultRedirectpath)) - { - throw new ArgumentNullException("defaultRedirectpath"); - } - - ServerName = serverName; - DefaultRedirectPath = defaultRedirectpath; - _logger = logManager.GetLogger("HttpServer"); - - LogManager.LogFactory = new ServerLogFactory(logManager); - - EndpointHostConfig.Instance.ServiceStackHandlerFactoryPath = null; - EndpointHostConfig.Instance.MetadataRedirectPath = "metadata"; - - _containerAdapter = new ContainerAdapter(applicationHost); - } - - /// <summary> - /// The us culture - /// </summary> - protected static readonly CultureInfo UsCulture = new CultureInfo("en-US"); - - /// <summary> - /// Configures the specified container. - /// </summary> - /// <param name="container">The container.</param> - public override void Configure(Container container) - { - JsConfig.DateHandler = JsonDateHandler.ISO8601; - JsConfig.ExcludeTypeInfo = true; - JsConfig.IncludeNullValues = false; - - SetConfig(new EndpointHostConfig - { - DefaultRedirectPath = DefaultRedirectPath, - - MapExceptionToStatusCode = { - { typeof(InvalidOperationException), 422 }, - { typeof(ResourceNotFoundException), 404 }, - { typeof(FileNotFoundException), 404 }, - { typeof(DirectoryNotFoundException), 404 } - }, - - DebugMode = true, - - ServiceName = ServerName, - - LogFactory = LogManager.LogFactory, - - // The Markdown feature causes slow startup times (5 mins+) on cold boots for some users - // Custom format allows images - EnableFeatures = Feature.Csv | Feature.Html | Feature.Json | Feature.Jsv | Feature.Metadata | Feature.Xml | Feature.CustomFormat - }); - - container.Adapter = _containerAdapter; - - Plugins.Add(new SwaggerFeature()); - Plugins.Add(new CorsFeature()); - - ResponseFilters.Add(FilterResponse); - } - - /// <summary> - /// Filters the response. - /// </summary> - /// <param name="req">The req.</param> - /// <param name="res">The res.</param> - /// <param name="dto">The dto.</param> - private void FilterResponse(IHttpRequest req, IHttpResponse res, object dto) - { - // Try to prevent compatibility view - res.AddHeader("X-UA-Compatible", "IE=Edge"); - - var exception = dto as Exception; - - if (exception != null) - { - _logger.ErrorException("Error processing request for {0}", exception, req.RawUrl); - - if (!string.IsNullOrEmpty(exception.Message)) - { - var error = exception.Message.Replace(Environment.NewLine, " "); - error = RemoveControlCharacters(error); - - res.AddHeader("X-Application-Error-Code", error); - } - } - - if (dto is CompressedResult) - { - // Per Google PageSpeed - // This instructs the proxies to cache two versions of the resource: one compressed, and one uncompressed. - // The correct version of the resource is delivered based on the client request header. - // This is a good choice for applications that are singly homed and depend on public proxies for user locality. - res.AddHeader("Vary", "Accept-Encoding"); - } - - var hasOptions = dto as IHasOptions; - - if (hasOptions != null) - { - // Content length has to be explicitly set on on HttpListenerResponse or it won't be happy - string contentLength; - - if (hasOptions.Options.TryGetValue("Content-Length", out contentLength) && !string.IsNullOrEmpty(contentLength)) - { - var length = long.Parse(contentLength, UsCulture); - - if (length > 0) - { - var response = (HttpListenerResponse)res.OriginalResponse; - - response.ContentLength64 = length; - - // Disable chunked encoding. Technically this is only needed when using Content-Range, but - // anytime we know the content length there's no need for it - response.SendChunked = false; - } - } - } - } - - /// <summary> - /// Removes the control characters. - /// </summary> - /// <param name="inString">The in string.</param> - /// <returns>System.String.</returns> - private static string RemoveControlCharacters(string inString) - { - if (inString == null) return null; - - var newString = new StringBuilder(); - - foreach (var ch in inString) - { - if (!char.IsControl(ch)) - { - newString.Append(ch); - } - } - return newString.ToString(); - } - - /// <summary> - /// Starts the Web Service - /// </summary> - /// <param name="urlBase">A Uri that acts as the base that the server is listening on. - /// Format should be: http://127.0.0.1:8080/ or http://127.0.0.1:8080/somevirtual/ - /// Note: the trailing slash is required! For more info see the - /// HttpListener.Prefixes property on MSDN.</param> - /// <exception cref="System.ArgumentNullException">urlBase</exception> - public override void Start(string urlBase) - { - if (string.IsNullOrEmpty(urlBase)) - { - throw new ArgumentNullException("urlBase"); - } - - // *** Already running - just leave it in place - if (IsStarted) - { - return; - } - - if (Listener == null) - { - _logger.Info("Creating HttpListner"); - Listener = new HttpListener(); - } - - EndpointHost.Config.ServiceStackHandlerFactoryPath = HttpListenerRequestWrapper.GetHandlerPathIfAny(urlBase); - - UrlPrefix = urlBase; - - _logger.Info("Adding HttpListener Prefixes"); - Listener.Prefixes.Add(urlBase); - - IsStarted = true; - _logger.Info("Starting HttpListner"); - Listener.Start(); - - _logger.Info("Creating HttpListner observable stream"); - HttpListener = CreateObservableStream().Subscribe(ProcessHttpRequestAsync); - } - - /// <summary> - /// Creates the observable stream. - /// </summary> - /// <returns>IObservable{HttpListenerContext}.</returns> - private IObservable<HttpListenerContext> CreateObservableStream() - { - return Observable.Create<HttpListenerContext>(obs => - Observable.FromAsync(() => Listener.GetContextAsync()) - .Subscribe(obs)) - .Repeat() - .Retry() - .Publish() - .RefCount(); - } - - /// <summary> - /// Processes incoming http requests by routing them to the appropiate handler - /// </summary> - /// <param name="context">The CTX.</param> - private async void ProcessHttpRequestAsync(HttpListenerContext context) - { - var date = DateTime.Now; - - LogHttpRequest(context); - - if (context.Request.IsWebSocketRequest) - { - await ProcessWebSocketRequest(context).ConfigureAwait(false); - return; - } - - var localPath = context.Request.Url.LocalPath; - - if (string.Equals(localPath, "/mediabrowser/", StringComparison.OrdinalIgnoreCase)) - { - context.Response.Redirect(DefaultRedirectPath); - context.Response.Close(); - return; - } - if (string.Equals(localPath, "/mediabrowser", StringComparison.OrdinalIgnoreCase)) - { - context.Response.Redirect("mediabrowser/" + DefaultRedirectPath); - context.Response.Close(); - return; - } - if (string.Equals(localPath, "/", StringComparison.OrdinalIgnoreCase)) - { - context.Response.Redirect("mediabrowser/" + DefaultRedirectPath); - context.Response.Close(); - return; - } - if (string.IsNullOrEmpty(localPath)) - { - context.Response.Redirect("/mediabrowser/" + DefaultRedirectPath); - context.Response.Close(); - return; - } - - RaiseReceiveWebRequest(context); - - await Task.Factory.StartNew(() => - { - try - { - var url = context.Request.Url.ToString(); - var endPoint = context.Request.RemoteEndPoint; - - ProcessRequest(context); - - var duration = DateTime.Now - date; - - LogResponse(context, url, endPoint, duration); - - } - catch (Exception ex) - { - _logger.ErrorException("ProcessRequest failure", ex); - } - - }).ConfigureAwait(false); - } - - /// <summary> - /// Processes the web socket request. - /// </summary> - /// <param name="ctx">The CTX.</param> - /// <returns>Task.</returns> - private async Task ProcessWebSocketRequest(HttpListenerContext ctx) - { - #if __MonoCS__ - #else - try - { - var webSocketContext = await ctx.AcceptWebSocketAsync(null).ConfigureAwait(false); - if (WebSocketConnected != null) - { - WebSocketConnected(this, new WebSocketConnectEventArgs { WebSocket = new NativeWebSocket(webSocketContext.WebSocket, _logger), Endpoint = ctx.Request.RemoteEndPoint.ToString() }); - } - } - catch (Exception ex) - { - _logger.ErrorException("AcceptWebSocketAsync error", ex); - ctx.Response.StatusCode = 500; - ctx.Response.Close(); - } - #endif - } - - /// <summary> - /// Logs the HTTP request. - /// </summary> - /// <param name="ctx">The CTX.</param> - private void LogHttpRequest(HttpListenerContext ctx) - { - var endpoint = ctx.Request.LocalEndPoint; - - if (endpoint != null) - { - var address = endpoint.ToString(); - - _localEndPoints.GetOrAdd(address, address); - } - - if (EnableHttpRequestLogging) - { - var log = new StringBuilder(); - - log.AppendLine("Url: " + ctx.Request.Url); - log.AppendLine("Headers: " + string.Join(",", ctx.Request.Headers.AllKeys.Select(k => k + "=" + ctx.Request.Headers[k]))); - - var type = ctx.Request.IsWebSocketRequest ? "Web Socket" : "HTTP " + ctx.Request.HttpMethod; - - _logger.LogMultiline(type + " request received from " + ctx.Request.RemoteEndPoint, LogSeverity.Debug, log); - } - } - - /// <summary> - /// Overridable method that can be used to implement a custom hnandler - /// </summary> - /// <param name="context">The context.</param> - /// <exception cref="System.NotImplementedException">Cannot execute handler: + handler + at PathInfo: + httpReq.PathInfo</exception> - protected override void ProcessRequest(HttpListenerContext context) - { - if (string.IsNullOrEmpty(context.Request.RawUrl)) return; - - var operationName = context.Request.GetOperationName(); - - var httpReq = new HttpListenerRequestWrapper(operationName, context.Request); - var httpRes = new HttpListenerResponseWrapper(context.Response); - var handler = ServiceStackHttpHandlerFactory.GetHandler(httpReq); - - var serviceStackHandler = handler as IServiceStackHttpHandler; - - if (serviceStackHandler != null) - { - var restHandler = serviceStackHandler as RestHandler; - if (restHandler != null) - { - httpReq.OperationName = operationName = restHandler.RestPath.RequestType.Name; - } - serviceStackHandler.ProcessRequest(httpReq, httpRes, operationName); - return; - } - - throw new NotImplementedException("Cannot execute handler: " + handler + " at PathInfo: " + httpReq.PathInfo); - } - - /// <summary> - /// Logs the response. - /// </summary> - /// <param name="ctx">The CTX.</param> - /// <param name="url">The URL.</param> - /// <param name="endPoint">The end point.</param> - /// <param name="duration">The duration.</param> - private void LogResponse(HttpListenerContext ctx, string url, IPEndPoint endPoint, TimeSpan duration) - { - if (!EnableHttpRequestLogging) - { - return; - } - - var statusCode = ctx.Response.StatusCode; - - var log = new StringBuilder(); - - log.AppendLine(string.Format("Url: {0}", url)); - - log.AppendLine("Headers: " + string.Join(",", ctx.Response.Headers.AllKeys.Select(k => k + "=" + ctx.Response.Headers[k]))); - - var responseTime = string.Format(". Response time: {0} ms", duration.TotalMilliseconds); - - var msg = "Response code " + statusCode + " sent to " + endPoint + responseTime; - - _logger.LogMultiline(msg, LogSeverity.Debug, log); - } - - /// <summary> - /// Creates the service manager. - /// </summary> - /// <param name="assembliesWithServices">The assemblies with services.</param> - /// <returns>ServiceManager.</returns> - protected override ServiceManager CreateServiceManager(params Assembly[] assembliesWithServices) - { - var types = _restServices.Select(r => r.GetType()).ToArray(); - - return new ServiceManager(new Container(), new ServiceController(() => types)); - } - - /// <summary> - /// Shut down the Web Service - /// </summary> - public override void Stop() - { - if (HttpListener != null) - { - HttpListener.Dispose(); - HttpListener = null; - } - - if (Listener != null) - { - Listener.Prefixes.Remove(UrlPrefix); - } - - base.Stop(); - } - - /// <summary> - /// The _supports native web socket - /// </summary> - private bool? _supportsNativeWebSocket; - - /// <summary> - /// Gets a value indicating whether [supports web sockets]. - /// </summary> - /// <value><c>true</c> if [supports web sockets]; otherwise, <c>false</c>.</value> - public bool SupportsWebSockets - { - get - { - #if __MonoCS__ - return false; - #else - #endif - - if (!_supportsNativeWebSocket.HasValue) - { - try - { - new ClientWebSocket(); - - _supportsNativeWebSocket = true; - } - catch (PlatformNotSupportedException) - { - _supportsNativeWebSocket = false; - } - } - - return _supportsNativeWebSocket.Value; - } - } - - - /// <summary> - /// Gets or sets a value indicating whether [enable HTTP request logging]. - /// </summary> - /// <value><c>true</c> if [enable HTTP request logging]; otherwise, <c>false</c>.</value> - public bool EnableHttpRequestLogging { get; set; } - - /// <summary> - /// Adds the rest handlers. - /// </summary> - /// <param name="services">The services.</param> - public void Init(IEnumerable<IRestfulService> services) - { - _restServices.AddRange(services); - - _logger.Info("Calling EndpointHost.ConfigureHost"); - - EndpointHost.ConfigureHost(this, ServerName, CreateServiceManager()); - - _logger.Info("Calling ServiceStack AppHost.Init"); - Init(); - } - - /// <summary> - /// Releases the specified instance. - /// </summary> - /// <param name="instance">The instance.</param> - public override void Release(object instance) - { - // Leave this empty so SS doesn't try to dispose our objects - } - } - - /// <summary> - /// Class ContainerAdapter - /// </summary> - class ContainerAdapter : IContainerAdapter, IRelease - { - /// <summary> - /// The _app host - /// </summary> - private readonly IApplicationHost _appHost; - - /// <summary> - /// Initializes a new instance of the <see cref="ContainerAdapter" /> class. - /// </summary> - /// <param name="appHost">The app host.</param> - public ContainerAdapter(IApplicationHost appHost) - { - _appHost = appHost; - } - /// <summary> - /// Resolves this instance. - /// </summary> - /// <typeparam name="T"></typeparam> - /// <returns>``0.</returns> - public T Resolve<T>() - { - return _appHost.Resolve<T>(); - } - - /// <summary> - /// Tries the resolve. - /// </summary> - /// <typeparam name="T"></typeparam> - /// <returns>``0.</returns> - public T TryResolve<T>() - { - return _appHost.TryResolve<T>(); - } - - /// <summary> - /// Releases the specified instance. - /// </summary> - /// <param name="instance">The instance.</param> - public void Release(object instance) - { - // Leave this empty so SS doesn't try to dispose our objects - } - } -}
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