806 lines
27 KiB
C#
806 lines
27 KiB
C#
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Security.Cryptography.X509Certificates;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using Emby.Server.Implementations.HttpServer.SocketSharp;
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using Emby.Server.Implementations.Services;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Common.Security;
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using MediaBrowser.Controller;
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using MediaBrowser.Model.Cryptography;
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using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Net;
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using MediaBrowser.Model.Serialization;
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using MediaBrowser.Model.Services;
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using MediaBrowser.Model.System;
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using MediaBrowser.Model.Text;
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namespace Emby.Server.Implementations.HttpServer
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{
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public class HttpListenerHost : IHttpServer, IDisposable
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{
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private string DefaultRedirectPath { get; set; }
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private readonly ILogger _logger;
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public string[] UrlPrefixes { get; private set; }
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private readonly List<IService> _restServices = new List<IService>();
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private IHttpListener _listener;
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public event EventHandler<WebSocketConnectEventArgs> WebSocketConnected;
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public event EventHandler<WebSocketConnectingEventArgs> WebSocketConnecting;
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private readonly IServerConfigurationManager _config;
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private readonly INetworkManager _networkManager;
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private readonly IMemoryStreamFactory _memoryStreamProvider;
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private readonly IServerApplicationHost _appHost;
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private readonly ITextEncoding _textEncoding;
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private readonly ISocketFactory _socketFactory;
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private readonly ICryptoProvider _cryptoProvider;
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private readonly IFileSystem _fileSystem;
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private readonly IJsonSerializer _jsonSerializer;
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private readonly IXmlSerializer _xmlSerializer;
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private readonly X509Certificate _certificate;
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private readonly IEnvironmentInfo _environment;
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private readonly Func<Type, Func<string, object>> _funcParseFn;
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private readonly bool _enableDualModeSockets;
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public Action<IRequest, IResponse, object>[] RequestFilters { get; set; }
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public Action<IRequest, IResponse, object>[] ResponseFilters { get; set; }
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private readonly Dictionary<Type, Type> ServiceOperationsMap = new Dictionary<Type, Type>();
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public static HttpListenerHost Instance { get; protected set; }
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public HttpListenerHost(IServerApplicationHost applicationHost,
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ILogger logger,
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IServerConfigurationManager config,
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string serviceName,
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string defaultRedirectPath, INetworkManager networkManager, IMemoryStreamFactory memoryStreamProvider, ITextEncoding textEncoding, ISocketFactory socketFactory, ICryptoProvider cryptoProvider, IJsonSerializer jsonSerializer, IXmlSerializer xmlSerializer, IEnvironmentInfo environment, X509Certificate certificate, Func<Type, Func<string, object>> funcParseFn, bool enableDualModeSockets, IFileSystem fileSystem)
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{
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Instance = this;
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_appHost = applicationHost;
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DefaultRedirectPath = defaultRedirectPath;
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_networkManager = networkManager;
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_memoryStreamProvider = memoryStreamProvider;
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_textEncoding = textEncoding;
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_socketFactory = socketFactory;
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_cryptoProvider = cryptoProvider;
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_jsonSerializer = jsonSerializer;
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_xmlSerializer = xmlSerializer;
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_environment = environment;
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_certificate = certificate;
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_funcParseFn = funcParseFn;
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_enableDualModeSockets = enableDualModeSockets;
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_fileSystem = fileSystem;
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_config = config;
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_logger = logger;
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RequestFilters = new Action<IRequest, IResponse, object>[] { };
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ResponseFilters = new Action<IRequest, IResponse, object>[] { };
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}
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public string GlobalResponse { get; set; }
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readonly Dictionary<Type, int> _mapExceptionToStatusCode = new Dictionary<Type, int>
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{
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{typeof (ResourceNotFoundException), 404},
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{typeof (RemoteServiceUnavailableException), 502},
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{typeof (FileNotFoundException), 404},
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//{typeof (DirectoryNotFoundException), 404},
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{typeof (SecurityException), 401},
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{typeof (PaymentRequiredException), 402},
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{typeof (ArgumentException), 400}
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};
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protected ILogger Logger
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{
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get
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{
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return _logger;
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}
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}
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public object CreateInstance(Type type)
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{
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return _appHost.CreateInstance(type);
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}
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/// <summary>
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/// Applies the request filters. Returns whether or not the request has been handled
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/// and no more processing should be done.
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/// </summary>
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/// <returns></returns>
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public void ApplyRequestFilters(IRequest req, IResponse res, object requestDto)
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{
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//Exec all RequestFilter attributes with Priority < 0
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var attributes = GetRequestFilterAttributes(requestDto.GetType());
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var i = 0;
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var count = attributes.Count;
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for (; i < count && attributes[i].Priority < 0; i++)
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{
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var attribute = attributes[i];
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attribute.RequestFilter(req, res, requestDto);
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}
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//Exec global filters
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foreach (var requestFilter in RequestFilters)
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{
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requestFilter(req, res, requestDto);
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}
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//Exec remaining RequestFilter attributes with Priority >= 0
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for (; i < count && attributes[i].Priority >= 0; i++)
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{
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var attribute = attributes[i];
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attribute.RequestFilter(req, res, requestDto);
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}
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}
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public Type GetServiceTypeByRequest(Type requestType)
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{
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Type serviceType;
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ServiceOperationsMap.TryGetValue(requestType, out serviceType);
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return serviceType;
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}
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public void AddServiceInfo(Type serviceType, Type requestType)
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{
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ServiceOperationsMap[requestType] = serviceType;
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}
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private List<IHasRequestFilter> GetRequestFilterAttributes(Type requestDtoType)
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{
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var attributes = requestDtoType.GetTypeInfo().GetCustomAttributes(true).OfType<IHasRequestFilter>().ToList();
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var serviceType = GetServiceTypeByRequest(requestDtoType);
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if (serviceType != null)
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{
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attributes.AddRange(serviceType.GetTypeInfo().GetCustomAttributes(true).OfType<IHasRequestFilter>());
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}
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attributes.Sort((x, y) => x.Priority - y.Priority);
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return attributes;
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}
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private IHttpListener GetListener()
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{
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//return new KestrelHost.KestrelListener(_logger, _environment, _fileSystem);
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return new WebSocketSharpListener(_logger,
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_certificate,
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_memoryStreamProvider,
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_textEncoding,
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_networkManager,
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_socketFactory,
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_cryptoProvider,
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_enableDualModeSockets,
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_fileSystem,
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_environment);
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}
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private void OnWebSocketConnecting(WebSocketConnectingEventArgs args)
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{
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if (_disposed)
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{
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return;
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}
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if (WebSocketConnecting != null)
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{
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WebSocketConnecting(this, args);
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}
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}
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private void OnWebSocketConnected(WebSocketConnectEventArgs args)
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{
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if (_disposed)
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{
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return;
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}
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if (WebSocketConnected != null)
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{
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WebSocketConnected(this, args);
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}
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}
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private Exception GetActualException(Exception ex)
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{
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var agg = ex as AggregateException;
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if (agg != null)
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{
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var inner = agg.InnerException;
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if (inner != null)
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{
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return GetActualException(inner);
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}
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else
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{
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var inners = agg.InnerExceptions;
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if (inners != null && inners.Count > 0)
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{
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return GetActualException(inners[0]);
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}
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}
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}
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return ex;
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}
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private int GetStatusCode(Exception ex)
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{
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if (ex is ArgumentException)
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{
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return 400;
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}
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var exceptionType = ex.GetType();
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int statusCode;
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if (!_mapExceptionToStatusCode.TryGetValue(exceptionType, out statusCode))
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{
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if (ex is DirectoryNotFoundException)
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{
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statusCode = 404;
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}
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else
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{
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statusCode = 500;
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}
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}
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return statusCode;
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}
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private void ErrorHandler(Exception ex, IRequest httpReq, bool logException = true)
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{
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try
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{
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ex = GetActualException(ex);
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if (logException)
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{
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_logger.ErrorException("Error processing request", ex);
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}
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var httpRes = httpReq.Response;
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if (httpRes.IsClosed)
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{
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return;
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}
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var statusCode = GetStatusCode(ex);
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httpRes.StatusCode = statusCode;
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httpRes.ContentType = "text/html";
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Write(httpRes, ex.Message);
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}
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catch
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{
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//_logger.ErrorException("Error this.ProcessRequest(context)(Exception while writing error to the response)", errorEx);
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}
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}
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/// <summary>
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/// Shut down the Web Service
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/// </summary>
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public void Stop()
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{
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if (_listener != null)
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{
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_logger.Info("Stopping HttpListener...");
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var task = _listener.Stop();
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Task.WaitAll(task);
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_logger.Info("HttpListener stopped");
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}
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}
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private readonly Dictionary<string, int> _skipLogExtensions = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase)
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{
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{".js", 0},
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{".css", 0},
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{".woff", 0},
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{".woff2", 0},
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{".ttf", 0},
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{".html", 0}
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};
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private bool EnableLogging(string url, string localPath)
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{
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var extension = GetExtension(url);
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if (string.IsNullOrWhiteSpace(extension) || !_skipLogExtensions.ContainsKey(extension))
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{
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if (string.IsNullOrWhiteSpace(localPath) || localPath.IndexOf("system/ping", StringComparison.OrdinalIgnoreCase) == -1)
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{
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return true;
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}
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}
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return false;
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}
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private string GetExtension(string url)
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{
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var parts = url.Split(new[] { '?' }, 2);
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return Path.GetExtension(parts[0]);
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}
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public static string RemoveQueryStringByKey(string url, string key)
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{
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var uri = new Uri(url);
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// this gets all the query string key value pairs as a collection
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var newQueryString = MyHttpUtility.ParseQueryString(uri.Query);
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var originalCount = newQueryString.Count;
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if (originalCount == 0)
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{
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return url;
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}
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// this removes the key if exists
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newQueryString.Remove(key);
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if (originalCount == newQueryString.Count)
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{
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return url;
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}
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// this gets the page path from root without QueryString
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string pagePathWithoutQueryString = url.Split(new[] { '?' }, StringSplitOptions.RemoveEmptyEntries)[0];
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return newQueryString.Count > 0
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? String.Format("{0}?{1}", pagePathWithoutQueryString, newQueryString)
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: pagePathWithoutQueryString;
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}
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private string GetUrlToLog(string url)
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{
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url = RemoveQueryStringByKey(url, "api_key");
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return url;
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}
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private string NormalizeConfiguredLocalAddress(string address)
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{
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var index = address.Trim('/').IndexOf('/');
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if (index != -1)
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{
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address = address.Substring(index + 1);
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}
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return address.Trim('/');
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}
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private bool ValidateHost(string host)
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{
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var hosts = _config
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.Configuration
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.LocalNetworkAddresses
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.Select(NormalizeConfiguredLocalAddress)
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.ToList();
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if (hosts.Count == 0)
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{
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return true;
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}
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host = host ?? string.Empty;
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_logger.Debug("Validating host {0}", host);
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if (_networkManager.IsInPrivateAddressSpace(host))
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{
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hosts.Add("localhost");
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hosts.Add("127.0.0.1");
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return hosts.Any(i => host.IndexOf(i, StringComparison.OrdinalIgnoreCase) != -1);
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}
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return true;
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}
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/// <summary>
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/// Overridable method that can be used to implement a custom hnandler
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/// </summary>
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protected async Task RequestHandler(IHttpRequest httpReq, string urlString, string host, string localPath, CancellationToken cancellationToken)
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{
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var date = DateTime.Now;
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var httpRes = httpReq.Response;
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bool enableLog = false;
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bool logHeaders = false;
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string urlToLog = null;
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string remoteIp = null;
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try
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{
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if (_disposed)
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{
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httpRes.StatusCode = 503;
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httpRes.ContentType = "text/plain";
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Write(httpRes, "Server shutting down");
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return;
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}
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if (!ValidateHost(host))
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{
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httpRes.StatusCode = 400;
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httpRes.ContentType = "text/plain";
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Write(httpRes, "Invalid host");
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return;
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}
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if (string.Equals(httpReq.Verb, "OPTIONS", StringComparison.OrdinalIgnoreCase))
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{
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httpRes.StatusCode = 200;
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httpRes.AddHeader("Access-Control-Allow-Origin", "*");
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httpRes.AddHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS");
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httpRes.AddHeader("Access-Control-Allow-Headers", "Content-Type, Authorization, Range, X-MediaBrowser-Token, X-Emby-Authorization");
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httpRes.ContentType = "text/plain";
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Write(httpRes, string.Empty);
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return;
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}
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var operationName = httpReq.OperationName;
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enableLog = EnableLogging(urlString, localPath);
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urlToLog = urlString;
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logHeaders = enableLog && urlToLog.IndexOf("/videos/", StringComparison.OrdinalIgnoreCase) != -1;
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if (enableLog)
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{
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urlToLog = GetUrlToLog(urlString);
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remoteIp = httpReq.RemoteIp;
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LoggerUtils.LogRequest(_logger, urlToLog, httpReq.HttpMethod, httpReq.UserAgent, logHeaders ? httpReq.Headers : null);
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}
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if (string.Equals(localPath, "/emby/", StringComparison.OrdinalIgnoreCase) ||
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string.Equals(localPath, "/mediabrowser/", StringComparison.OrdinalIgnoreCase))
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{
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RedirectToUrl(httpRes, DefaultRedirectPath);
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return;
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}
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if (string.Equals(localPath, "/emby", StringComparison.OrdinalIgnoreCase) ||
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string.Equals(localPath, "/mediabrowser", StringComparison.OrdinalIgnoreCase))
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{
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RedirectToUrl(httpRes, "emby/" + DefaultRedirectPath);
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return;
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}
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if (string.Equals(localPath, "/mediabrowser/", StringComparison.OrdinalIgnoreCase) ||
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string.Equals(localPath, "/mediabrowser", StringComparison.OrdinalIgnoreCase) ||
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localPath.IndexOf("mediabrowser/web", StringComparison.OrdinalIgnoreCase) != -1)
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{
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httpRes.StatusCode = 200;
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httpRes.ContentType = "text/html";
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var newUrl = urlString.Replace("mediabrowser", "emby", StringComparison.OrdinalIgnoreCase)
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.Replace("/dashboard/", "/web/", StringComparison.OrdinalIgnoreCase);
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if (!string.Equals(newUrl, urlString, StringComparison.OrdinalIgnoreCase))
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{
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Write(httpRes,
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"<!doctype html><html><head><title>Emby</title></head><body>Please update your Emby bookmark to <a href=\"" +
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newUrl + "\">" + newUrl + "</a></body></html>");
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return;
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}
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}
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if (localPath.IndexOf("dashboard/", StringComparison.OrdinalIgnoreCase) != -1 &&
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localPath.IndexOf("web/dashboard", StringComparison.OrdinalIgnoreCase) == -1)
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{
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httpRes.StatusCode = 200;
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httpRes.ContentType = "text/html";
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var newUrl = urlString.Replace("mediabrowser", "emby", StringComparison.OrdinalIgnoreCase)
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.Replace("/dashboard/", "/web/", StringComparison.OrdinalIgnoreCase);
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if (!string.Equals(newUrl, urlString, StringComparison.OrdinalIgnoreCase))
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{
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Write(httpRes,
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"<!doctype html><html><head><title>Emby</title></head><body>Please update your Emby bookmark to <a href=\"" +
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newUrl + "\">" + newUrl + "</a></body></html>");
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return;
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}
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}
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if (string.Equals(localPath, "/web", StringComparison.OrdinalIgnoreCase))
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{
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RedirectToUrl(httpRes, DefaultRedirectPath);
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return;
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}
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if (string.Equals(localPath, "/web/", StringComparison.OrdinalIgnoreCase))
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{
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RedirectToUrl(httpRes, "../" + DefaultRedirectPath);
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return;
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}
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if (string.Equals(localPath, "/", StringComparison.OrdinalIgnoreCase))
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{
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RedirectToUrl(httpRes, DefaultRedirectPath);
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return;
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}
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if (string.IsNullOrEmpty(localPath))
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{
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RedirectToUrl(httpRes, "/" + DefaultRedirectPath);
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return;
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}
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if (string.Equals(localPath, "/emby/pin", StringComparison.OrdinalIgnoreCase))
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{
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RedirectToUrl(httpRes, "web/pin.html");
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return;
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}
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if (!string.IsNullOrWhiteSpace(GlobalResponse))
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{
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httpRes.StatusCode = 503;
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httpRes.ContentType = "text/html";
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Write(httpRes, GlobalResponse);
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return;
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}
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var handler = GetServiceHandler(httpReq);
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if (handler != null)
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{
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await handler.ProcessRequestAsync(this, httpReq, httpRes, Logger, operationName, cancellationToken).ConfigureAwait(false);
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}
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else
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{
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ErrorHandler(new FileNotFoundException(), httpReq, false);
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}
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}
|
|
catch (OperationCanceledException ex)
|
|
{
|
|
ErrorHandler(ex, httpReq, false);
|
|
}
|
|
|
|
catch (Exception ex)
|
|
{
|
|
var logException = !string.Equals(ex.GetType().Name, "SocketException", StringComparison.OrdinalIgnoreCase);
|
|
|
|
#if DEBUG
|
|
logException = true;
|
|
#endif
|
|
|
|
ErrorHandler(ex, httpReq, logException);
|
|
}
|
|
finally
|
|
{
|
|
httpRes.Close();
|
|
|
|
if (enableLog)
|
|
{
|
|
var statusCode = httpRes.StatusCode;
|
|
|
|
var duration = DateTime.Now - date;
|
|
|
|
LoggerUtils.LogResponse(_logger, statusCode, urlToLog, remoteIp, duration, logHeaders ? httpRes.Headers : null);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Entry point for HttpListener
|
|
public ServiceHandler GetServiceHandler(IHttpRequest httpReq)
|
|
{
|
|
var pathInfo = httpReq.PathInfo;
|
|
|
|
var pathParts = pathInfo.TrimStart('/').Split('/');
|
|
if (pathParts.Length == 0)
|
|
{
|
|
_logger.Error("Path parts empty for PathInfo: {0}, Url: {1}", pathInfo, httpReq.RawUrl);
|
|
return null;
|
|
}
|
|
|
|
string contentType;
|
|
var restPath = ServiceHandler.FindMatchingRestPath(httpReq.HttpMethod, pathInfo, _logger, out contentType);
|
|
|
|
if (restPath != null)
|
|
{
|
|
return new ServiceHandler
|
|
{
|
|
RestPath = restPath,
|
|
ResponseContentType = contentType
|
|
};
|
|
}
|
|
|
|
_logger.Error("Could not find handler for {0}", pathInfo);
|
|
return null;
|
|
}
|
|
|
|
private void Write(IResponse response, string text)
|
|
{
|
|
var bOutput = Encoding.UTF8.GetBytes(text);
|
|
response.SetContentLength(bOutput.Length);
|
|
|
|
var outputStream = response.OutputStream;
|
|
outputStream.Write(bOutput, 0, bOutput.Length);
|
|
}
|
|
|
|
public static void RedirectToUrl(IResponse httpRes, string url)
|
|
{
|
|
httpRes.StatusCode = 302;
|
|
httpRes.AddHeader("Location", url);
|
|
}
|
|
|
|
public ServiceController ServiceController { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Adds the rest handlers.
|
|
/// </summary>
|
|
/// <param name="services">The services.</param>
|
|
public void Init(IEnumerable<IService> services)
|
|
{
|
|
_restServices.AddRange(services);
|
|
|
|
ServiceController = new ServiceController();
|
|
|
|
_logger.Info("Calling ServiceStack AppHost.Init");
|
|
|
|
var types = _restServices.Select(r => r.GetType()).ToArray();
|
|
|
|
ServiceController.Init(this, types);
|
|
|
|
var list = new List<Action<IRequest, IResponse, object>>();
|
|
foreach (var filter in _appHost.GetExports<IRequestFilter>())
|
|
{
|
|
list.Add(filter.Filter);
|
|
}
|
|
|
|
RequestFilters = list.ToArray();
|
|
|
|
ResponseFilters = new Action<IRequest, IResponse, object>[]
|
|
{
|
|
new ResponseFilter(_logger).FilterResponse
|
|
};
|
|
}
|
|
|
|
public RouteAttribute[] GetRouteAttributes(Type requestType)
|
|
{
|
|
var routes = requestType.GetTypeInfo().GetCustomAttributes<RouteAttribute>(true).ToList();
|
|
var clone = routes.ToList();
|
|
|
|
foreach (var route in clone)
|
|
{
|
|
routes.Add(new RouteAttribute(NormalizeEmbyRoutePath(route.Path), route.Verbs)
|
|
{
|
|
Notes = route.Notes,
|
|
Priority = route.Priority,
|
|
Summary = route.Summary
|
|
});
|
|
|
|
routes.Add(new RouteAttribute(NormalizeMediaBrowserRoutePath(route.Path), route.Verbs)
|
|
{
|
|
Notes = route.Notes,
|
|
Priority = route.Priority,
|
|
Summary = route.Summary
|
|
});
|
|
|
|
//routes.Add(new RouteAttribute(DoubleNormalizeEmbyRoutePath(route.Path), route.Verbs)
|
|
//{
|
|
// Notes = route.Notes,
|
|
// Priority = route.Priority,
|
|
// Summary = route.Summary
|
|
//});
|
|
}
|
|
|
|
return routes.ToArray(routes.Count);
|
|
}
|
|
|
|
public Func<string, object> GetParseFn(Type propertyType)
|
|
{
|
|
return _funcParseFn(propertyType);
|
|
}
|
|
|
|
public void SerializeToJson(object o, Stream stream)
|
|
{
|
|
_jsonSerializer.SerializeToStream(o, stream);
|
|
}
|
|
|
|
public void SerializeToXml(object o, Stream stream)
|
|
{
|
|
_xmlSerializer.SerializeToStream(o, stream);
|
|
}
|
|
|
|
public object DeserializeXml(Type type, Stream stream)
|
|
{
|
|
return _xmlSerializer.DeserializeFromStream(type, stream);
|
|
}
|
|
|
|
public object DeserializeJson(Type type, Stream stream)
|
|
{
|
|
return _jsonSerializer.DeserializeFromStream(stream, type);
|
|
}
|
|
|
|
private string NormalizeEmbyRoutePath(string path)
|
|
{
|
|
if (path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return "/emby" + path;
|
|
}
|
|
|
|
return "emby/" + path;
|
|
}
|
|
|
|
private string NormalizeMediaBrowserRoutePath(string path)
|
|
{
|
|
if (path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return "/mediabrowser" + path;
|
|
}
|
|
|
|
return "mediabrowser/" + path;
|
|
}
|
|
|
|
private string DoubleNormalizeEmbyRoutePath(string path)
|
|
{
|
|
if (path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return "/emby/emby" + path;
|
|
}
|
|
|
|
return "emby/emby/" + path;
|
|
}
|
|
|
|
private bool _disposed;
|
|
private readonly object _disposeLock = new object();
|
|
protected virtual void Dispose(bool disposing)
|
|
{
|
|
if (_disposed) return;
|
|
|
|
lock (_disposeLock)
|
|
{
|
|
if (_disposed) return;
|
|
|
|
_disposed = true;
|
|
|
|
if (disposing)
|
|
{
|
|
Stop();
|
|
}
|
|
}
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
public void StartServer(string[] urlPrefixes)
|
|
{
|
|
UrlPrefixes = urlPrefixes;
|
|
|
|
_listener = GetListener();
|
|
|
|
_listener.WebSocketConnected = OnWebSocketConnected;
|
|
_listener.WebSocketConnecting = OnWebSocketConnecting;
|
|
_listener.ErrorHandler = ErrorHandler;
|
|
_listener.RequestHandler = RequestHandler;
|
|
|
|
_listener.Start(UrlPrefixes);
|
|
}
|
|
}
|
|
} |