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			766 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			766 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| #pragma warning disable CS1591
 | |
| 
 | |
| using System;
 | |
| using System.Collections.Generic;
 | |
| using System.Diagnostics;
 | |
| using System.IO;
 | |
| using System.Linq;
 | |
| using System.Net.Sockets;
 | |
| using System.Net.WebSockets;
 | |
| using System.Reflection;
 | |
| using System.Threading;
 | |
| using System.Threading.Tasks;
 | |
| using Emby.Server.Implementations.Services;
 | |
| using Emby.Server.Implementations.SocketSharp;
 | |
| using MediaBrowser.Common.Extensions;
 | |
| using MediaBrowser.Common.Net;
 | |
| using MediaBrowser.Controller;
 | |
| using MediaBrowser.Controller.Authentication;
 | |
| using MediaBrowser.Controller.Configuration;
 | |
| using MediaBrowser.Controller.Net;
 | |
| using MediaBrowser.Model.Events;
 | |
| using MediaBrowser.Model.Globalization;
 | |
| using MediaBrowser.Model.Serialization;
 | |
| using MediaBrowser.Model.Services;
 | |
| using Microsoft.AspNetCore.Http;
 | |
| using Microsoft.AspNetCore.Http.Extensions;
 | |
| using Microsoft.AspNetCore.WebUtilities;
 | |
| using Microsoft.Extensions.Configuration;
 | |
| using Microsoft.Extensions.Hosting;
 | |
| using Microsoft.Extensions.Logging;
 | |
| using Microsoft.Extensions.Primitives;
 | |
| using ServiceStack.Text.Jsv;
 | |
| 
 | |
| namespace Emby.Server.Implementations.HttpServer
 | |
| {
 | |
|     public class HttpListenerHost : IHttpServer
 | |
|     {
 | |
|         /// <summary>
 | |
|         /// The key for a setting that specifies the default redirect path
 | |
|         /// to use for requests where the URL base prefix is invalid or missing.
 | |
|         /// </summary>
 | |
|         public const string DefaultRedirectKey = "HttpListenerHost:DefaultRedirectPath";
 | |
| 
 | |
|         private readonly ILogger<HttpListenerHost> _logger;
 | |
|         private readonly ILoggerFactory _loggerFactory;
 | |
|         private readonly IServerConfigurationManager _config;
 | |
|         private readonly INetworkManager _networkManager;
 | |
|         private readonly IServerApplicationHost _appHost;
 | |
|         private readonly IJsonSerializer _jsonSerializer;
 | |
|         private readonly IXmlSerializer _xmlSerializer;
 | |
|         private readonly Func<Type, Func<string, object>> _funcParseFn;
 | |
|         private readonly string _defaultRedirectPath;
 | |
|         private readonly string _baseUrlPrefix;
 | |
| 
 | |
|         private readonly Dictionary<Type, Type> _serviceOperationsMap = new Dictionary<Type, Type>();
 | |
|         private readonly IHostEnvironment _hostEnvironment;
 | |
| 
 | |
|         private IWebSocketListener[] _webSocketListeners = Array.Empty<IWebSocketListener>();
 | |
|         private bool _disposed = false;
 | |
| 
 | |
|         public HttpListenerHost(
 | |
|             IServerApplicationHost applicationHost,
 | |
|             ILogger<HttpListenerHost> logger,
 | |
|             IServerConfigurationManager config,
 | |
|             IConfiguration configuration,
 | |
|             INetworkManager networkManager,
 | |
|             IJsonSerializer jsonSerializer,
 | |
|             IXmlSerializer xmlSerializer,
 | |
|             ILocalizationManager localizationManager,
 | |
|             ServiceController serviceController,
 | |
|             IHostEnvironment hostEnvironment,
 | |
|             ILoggerFactory loggerFactory)
 | |
|         {
 | |
|             _appHost = applicationHost;
 | |
|             _logger = logger;
 | |
|             _config = config;
 | |
|             _defaultRedirectPath = configuration[DefaultRedirectKey];
 | |
|             _baseUrlPrefix = _config.Configuration.BaseUrl;
 | |
|             _networkManager = networkManager;
 | |
|             _jsonSerializer = jsonSerializer;
 | |
|             _xmlSerializer = xmlSerializer;
 | |
|             ServiceController = serviceController;
 | |
|             _hostEnvironment = hostEnvironment;
 | |
|             _loggerFactory = loggerFactory;
 | |
| 
 | |
|             _funcParseFn = t => s => JsvReader.GetParseFn(t)(s);
 | |
| 
 | |
|             Instance = this;
 | |
|             ResponseFilters = Array.Empty<Action<IRequest, HttpResponse, object>>();
 | |
|             GlobalResponse = localizationManager.GetLocalizedString("StartupEmbyServerIsLoading");
 | |
|         }
 | |
| 
 | |
|         public event EventHandler<GenericEventArgs<IWebSocketConnection>> WebSocketConnected;
 | |
| 
 | |
|         public Action<IRequest, HttpResponse, object>[] ResponseFilters { get; set; }
 | |
| 
 | |
|         public static HttpListenerHost Instance { get; protected set; }
 | |
| 
 | |
|         public string[] UrlPrefixes { get; private set; }
 | |
| 
 | |
|         public string GlobalResponse { get; set; }
 | |
| 
 | |
|         public ServiceController ServiceController { get; }
 | |
| 
 | |
|         public object CreateInstance(Type type)
 | |
|         {
 | |
|             return _appHost.CreateInstance(type);
 | |
|         }
 | |
| 
 | |
|         private static string NormalizeUrlPath(string path)
 | |
|         {
 | |
|             if (path.Length > 0 && path[0] == '/')
 | |
|             {
 | |
|                 // If the path begins with a leading slash, just return it as-is
 | |
|                 return path;
 | |
|             }
 | |
|             else
 | |
|             {
 | |
|                 // If the path does not begin with a leading slash, append one for consistency
 | |
|                 return "/" + path;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Applies the request filters. Returns whether or not the request has been handled
 | |
|         /// and no more processing should be done.
 | |
|         /// </summary>
 | |
|         /// <returns></returns>
 | |
|         public void ApplyRequestFilters(IRequest req, HttpResponse res, object requestDto)
 | |
|         {
 | |
|             // Exec all RequestFilter attributes with Priority < 0
 | |
|             var attributes = GetRequestFilterAttributes(requestDto.GetType());
 | |
| 
 | |
|             int count = attributes.Count;
 | |
|             int i = 0;
 | |
|             for (; i < count && attributes[i].Priority < 0; i++)
 | |
|             {
 | |
|                 var attribute = attributes[i];
 | |
|                 attribute.RequestFilter(req, res, requestDto);
 | |
|             }
 | |
| 
 | |
|             // Exec remaining RequestFilter attributes with Priority >= 0
 | |
|             for (; i < count && attributes[i].Priority >= 0; i++)
 | |
|             {
 | |
|                 var attribute = attributes[i];
 | |
|                 attribute.RequestFilter(req, res, requestDto);
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         public Type GetServiceTypeByRequest(Type requestType)
 | |
|         {
 | |
|             _serviceOperationsMap.TryGetValue(requestType, out var serviceType);
 | |
|             return serviceType;
 | |
|         }
 | |
| 
 | |
|         public void AddServiceInfo(Type serviceType, Type requestType)
 | |
|         {
 | |
|             _serviceOperationsMap[requestType] = serviceType;
 | |
|         }
 | |
| 
 | |
|         private List<IHasRequestFilter> GetRequestFilterAttributes(Type requestDtoType)
 | |
|         {
 | |
|             var attributes = requestDtoType.GetCustomAttributes(true).OfType<IHasRequestFilter>().ToList();
 | |
| 
 | |
|             var serviceType = GetServiceTypeByRequest(requestDtoType);
 | |
|             if (serviceType != null)
 | |
|             {
 | |
|                 attributes.AddRange(serviceType.GetCustomAttributes(true).OfType<IHasRequestFilter>());
 | |
|             }
 | |
| 
 | |
|             attributes.Sort((x, y) => x.Priority - y.Priority);
 | |
| 
 | |
|             return attributes;
 | |
|         }
 | |
| 
 | |
|         private static Exception GetActualException(Exception ex)
 | |
|         {
 | |
|             if (ex is AggregateException agg)
 | |
|             {
 | |
|                 var inner = agg.InnerException;
 | |
|                 if (inner != null)
 | |
|                 {
 | |
|                     return GetActualException(inner);
 | |
|                 }
 | |
|                 else
 | |
|                 {
 | |
|                     var inners = agg.InnerExceptions;
 | |
|                     if (inners.Count > 0)
 | |
|                     {
 | |
|                         return GetActualException(inners[0]);
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             return ex;
 | |
|         }
 | |
| 
 | |
|         private int GetStatusCode(Exception ex)
 | |
|         {
 | |
|             switch (ex)
 | |
|             {
 | |
|                 case ArgumentException _: return 400;
 | |
|                 case AuthenticationException _: return 401;
 | |
|                 case SecurityException _: return 403;
 | |
|                 case DirectoryNotFoundException _:
 | |
|                 case FileNotFoundException _:
 | |
|                 case ResourceNotFoundException _: return 404;
 | |
|                 case MethodNotAllowedException _: return 405;
 | |
|                 default: return 500;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         private async Task ErrorHandler(Exception ex, IRequest httpReq, int statusCode, string urlToLog, bool ignoreStackTrace)
 | |
|         {
 | |
|             if (ignoreStackTrace)
 | |
|             {
 | |
|                 _logger.LogError("Error processing request: {Message}. URL: {Url}", ex.Message.TrimEnd('.'), urlToLog);
 | |
|             }
 | |
|             else
 | |
|             {
 | |
|                 _logger.LogError(ex, "Error processing request. URL: {Url}", urlToLog);
 | |
|             }
 | |
| 
 | |
|             var httpRes = httpReq.Response;
 | |
| 
 | |
|             if (httpRes.HasStarted)
 | |
|             {
 | |
|                 return;
 | |
|             }
 | |
| 
 | |
|             httpRes.StatusCode = statusCode;
 | |
| 
 | |
|             var errContent = _hostEnvironment.IsDevelopment()
 | |
|                     ? (NormalizeExceptionMessage(ex) ?? string.Empty)
 | |
|                     : "Error processing request.";
 | |
|             httpRes.ContentType = "text/plain";
 | |
|             httpRes.ContentLength = errContent.Length;
 | |
|             await httpRes.WriteAsync(errContent).ConfigureAwait(false);
 | |
|         }
 | |
| 
 | |
|         private string NormalizeExceptionMessage(Exception ex)
 | |
|         {
 | |
|             // Do not expose the exception message for AuthenticationException
 | |
|             if (ex is AuthenticationException)
 | |
|             {
 | |
|                 return null;
 | |
|             }
 | |
| 
 | |
|             // Strip any information we don't want to reveal
 | |
|             return ex.Message
 | |
|                 ?.Replace(_config.ApplicationPaths.ProgramSystemPath, string.Empty, StringComparison.OrdinalIgnoreCase)
 | |
|                 .Replace(_config.ApplicationPaths.ProgramDataPath, string.Empty, StringComparison.OrdinalIgnoreCase);
 | |
|         }
 | |
| 
 | |
|         public static string RemoveQueryStringByKey(string url, string key)
 | |
|         {
 | |
|             var uri = new Uri(url);
 | |
| 
 | |
|             // this gets all the query string key value pairs as a collection
 | |
|             var newQueryString = QueryHelpers.ParseQuery(uri.Query);
 | |
| 
 | |
|             var originalCount = newQueryString.Count;
 | |
| 
 | |
|             if (originalCount == 0)
 | |
|             {
 | |
|                 return url;
 | |
|             }
 | |
| 
 | |
|             // this removes the key if exists
 | |
|             newQueryString.Remove(key);
 | |
| 
 | |
|             if (originalCount == newQueryString.Count)
 | |
|             {
 | |
|                 return url;
 | |
|             }
 | |
| 
 | |
|             // this gets the page path from root without QueryString
 | |
|             string pagePathWithoutQueryString = url.Split(new[] { '?' }, StringSplitOptions.RemoveEmptyEntries)[0];
 | |
| 
 | |
|             return newQueryString.Count > 0
 | |
|                 ? QueryHelpers.AddQueryString(pagePathWithoutQueryString, newQueryString.ToDictionary(kv => kv.Key, kv => kv.Value.ToString()))
 | |
|                 : pagePathWithoutQueryString;
 | |
|         }
 | |
| 
 | |
|         private static string GetUrlToLog(string url)
 | |
|         {
 | |
|             url = RemoveQueryStringByKey(url, "api_key");
 | |
| 
 | |
|             return url;
 | |
|         }
 | |
| 
 | |
|         private static string NormalizeConfiguredLocalAddress(string address)
 | |
|         {
 | |
|             var add = address.AsSpan().Trim('/');
 | |
|             int index = add.IndexOf('/');
 | |
|             if (index != -1)
 | |
|             {
 | |
|                 add = add.Slice(index + 1);
 | |
|             }
 | |
| 
 | |
|             return add.TrimStart('/').ToString();
 | |
|         }
 | |
| 
 | |
|         private bool ValidateHost(string host)
 | |
|         {
 | |
|             var hosts = _config
 | |
|                 .Configuration
 | |
|                 .LocalNetworkAddresses
 | |
|                 .Select(NormalizeConfiguredLocalAddress)
 | |
|                 .ToList();
 | |
| 
 | |
|             if (hosts.Count == 0)
 | |
|             {
 | |
|                 return true;
 | |
|             }
 | |
| 
 | |
|             host ??= string.Empty;
 | |
| 
 | |
|             if (_networkManager.IsInPrivateAddressSpace(host))
 | |
|             {
 | |
|                 hosts.Add("localhost");
 | |
|                 hosts.Add("127.0.0.1");
 | |
| 
 | |
|                 return hosts.Any(i => host.IndexOf(i, StringComparison.OrdinalIgnoreCase) != -1);
 | |
|             }
 | |
| 
 | |
|             return true;
 | |
|         }
 | |
| 
 | |
|         private bool ValidateRequest(string remoteIp, bool isLocal)
 | |
|         {
 | |
|             if (isLocal)
 | |
|             {
 | |
|                 return true;
 | |
|             }
 | |
| 
 | |
|             if (_config.Configuration.EnableRemoteAccess)
 | |
|             {
 | |
|                 var addressFilter = _config.Configuration.RemoteIPFilter.Where(i => !string.IsNullOrWhiteSpace(i)).ToArray();
 | |
| 
 | |
|                 if (addressFilter.Length > 0 && !_networkManager.IsInLocalNetwork(remoteIp))
 | |
|                 {
 | |
|                     if (_config.Configuration.IsRemoteIPFilterBlacklist)
 | |
|                     {
 | |
|                         return !_networkManager.IsAddressInSubnets(remoteIp, addressFilter);
 | |
|                     }
 | |
|                     else
 | |
|                     {
 | |
|                         return _networkManager.IsAddressInSubnets(remoteIp, addressFilter);
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|             else
 | |
|             {
 | |
|                 if (!_networkManager.IsInLocalNetwork(remoteIp))
 | |
|                 {
 | |
|                     return false;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             return true;
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Validate a connection from a remote IP address to a URL to see if a redirection to HTTPS is required.
 | |
|         /// </summary>
 | |
|         /// <returns>True if the request is valid, or false if the request is not valid and an HTTPS redirect is required.</returns>
 | |
|         private bool ValidateSsl(string remoteIp, string urlString)
 | |
|         {
 | |
|             if (_config.Configuration.RequireHttps
 | |
|                 && _appHost.ListenWithHttps
 | |
|                 && !urlString.Contains("https://", StringComparison.OrdinalIgnoreCase))
 | |
|             {
 | |
|                 // These are hacks, but if these ever occur on ipv6 in the local network they could be incorrectly redirected
 | |
|                 if (urlString.IndexOf("system/ping", StringComparison.OrdinalIgnoreCase) != -1
 | |
|                     || urlString.IndexOf("dlna/", StringComparison.OrdinalIgnoreCase) != -1)
 | |
|                 {
 | |
|                     return true;
 | |
|                 }
 | |
| 
 | |
|                 if (!_networkManager.IsInLocalNetwork(remoteIp))
 | |
|                 {
 | |
|                     return false;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             return true;
 | |
|         }
 | |
| 
 | |
|         /// <inheritdoc />
 | |
|         public Task RequestHandler(HttpContext context)
 | |
|         {
 | |
|             if (context.WebSockets.IsWebSocketRequest)
 | |
|             {
 | |
|                 return WebSocketRequestHandler(context);
 | |
|             }
 | |
| 
 | |
|             var request = context.Request;
 | |
|             var response = context.Response;
 | |
|             var localPath = context.Request.Path.ToString();
 | |
| 
 | |
|             var req = new WebSocketSharpRequest(request, response, request.Path);
 | |
|             return RequestHandler(req, request.GetDisplayUrl(), request.Host.ToString(), localPath, context.RequestAborted);
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Overridable method that can be used to implement a custom handler.
 | |
|         /// </summary>
 | |
|         private async Task RequestHandler(IHttpRequest httpReq, string urlString, string host, string localPath, CancellationToken cancellationToken)
 | |
|         {
 | |
|             var stopWatch = new Stopwatch();
 | |
|             stopWatch.Start();
 | |
|             var httpRes = httpReq.Response;
 | |
|             string urlToLog = GetUrlToLog(urlString);
 | |
|             string remoteIp = httpReq.RemoteIp;
 | |
| 
 | |
|             try
 | |
|             {
 | |
|                 if (_disposed)
 | |
|                 {
 | |
|                     httpRes.StatusCode = 503;
 | |
|                     httpRes.ContentType = "text/plain";
 | |
|                     await httpRes.WriteAsync("Server shutting down", cancellationToken).ConfigureAwait(false);
 | |
|                     return;
 | |
|                 }
 | |
| 
 | |
|                 if (!ValidateHost(host))
 | |
|                 {
 | |
|                     httpRes.StatusCode = 400;
 | |
|                     httpRes.ContentType = "text/plain";
 | |
|                     await httpRes.WriteAsync("Invalid host", cancellationToken).ConfigureAwait(false);
 | |
|                     return;
 | |
|                 }
 | |
| 
 | |
|                 if (!ValidateRequest(remoteIp, httpReq.IsLocal))
 | |
|                 {
 | |
|                     httpRes.StatusCode = 403;
 | |
|                     httpRes.ContentType = "text/plain";
 | |
|                     await httpRes.WriteAsync("Forbidden", cancellationToken).ConfigureAwait(false);
 | |
|                     return;
 | |
|                 }
 | |
| 
 | |
|                 if (!ValidateSsl(httpReq.RemoteIp, urlString))
 | |
|                 {
 | |
|                     RedirectToSecureUrl(httpReq, httpRes, urlString);
 | |
|                     return;
 | |
|                 }
 | |
| 
 | |
|                 if (string.Equals(httpReq.Verb, "OPTIONS", StringComparison.OrdinalIgnoreCase))
 | |
|                 {
 | |
|                     httpRes.StatusCode = 200;
 | |
|                     foreach(var (key, value) in GetDefaultCorsHeaders(httpReq))
 | |
|                     {
 | |
|                         httpRes.Headers.Add(key, value);
 | |
|                     }
 | |
|                     httpRes.ContentType = "text/plain";
 | |
|                     await httpRes.WriteAsync(string.Empty, cancellationToken).ConfigureAwait(false);
 | |
|                     return;
 | |
|                 }
 | |
| 
 | |
|                 if (string.Equals(localPath, _baseUrlPrefix + "/", StringComparison.OrdinalIgnoreCase)
 | |
|                     || string.Equals(localPath, _baseUrlPrefix, StringComparison.OrdinalIgnoreCase)
 | |
|                     || string.Equals(localPath, "/", StringComparison.OrdinalIgnoreCase)
 | |
|                     || string.IsNullOrEmpty(localPath)
 | |
|                     || !localPath.StartsWith(_baseUrlPrefix, StringComparison.OrdinalIgnoreCase))
 | |
|                 {
 | |
|                     // Always redirect back to the default path if the base prefix is invalid or missing
 | |
|                     _logger.LogDebug("Normalizing a URL at {0}", localPath);
 | |
|                     httpRes.Redirect(_baseUrlPrefix + "/" + _defaultRedirectPath);
 | |
|                     return;
 | |
|                 }
 | |
| 
 | |
|                 if (!string.IsNullOrEmpty(GlobalResponse))
 | |
|                 {
 | |
|                     // We don't want the address pings in ApplicationHost to fail
 | |
|                     if (localPath.IndexOf("system/ping", StringComparison.OrdinalIgnoreCase) == -1)
 | |
|                     {
 | |
|                         httpRes.StatusCode = 503;
 | |
|                         httpRes.ContentType = "text/html";
 | |
|                         await httpRes.WriteAsync(GlobalResponse, cancellationToken).ConfigureAwait(false);
 | |
|                         return;
 | |
|                     }
 | |
|                 }
 | |
| 
 | |
|                 var handler = GetServiceHandler(httpReq);
 | |
|                 if (handler != null)
 | |
|                 {
 | |
|                     await handler.ProcessRequestAsync(this, httpReq, httpRes, _logger, cancellationToken).ConfigureAwait(false);
 | |
|                 }
 | |
|                 else
 | |
|                 {
 | |
|                     throw new FileNotFoundException();
 | |
|                 }
 | |
|             }
 | |
|             catch (Exception requestEx)
 | |
|             {
 | |
|                 try
 | |
|                 {
 | |
|                     var requestInnerEx = GetActualException(requestEx);
 | |
|                     var statusCode = GetStatusCode(requestInnerEx);
 | |
| 
 | |
|                     foreach (var (key, value) in GetDefaultCorsHeaders(httpReq))
 | |
|                     {
 | |
|                         if (!httpRes.Headers.ContainsKey(key))
 | |
|                         {
 | |
|                             httpRes.Headers.Add(key, value);
 | |
|                         }
 | |
|                     }
 | |
| 
 | |
|                     bool ignoreStackTrace =
 | |
|                         requestInnerEx is SocketException
 | |
|                         || requestInnerEx is IOException
 | |
|                         || requestInnerEx is OperationCanceledException
 | |
|                         || requestInnerEx is SecurityException
 | |
|                         || requestInnerEx is AuthenticationException
 | |
|                         || requestInnerEx is FileNotFoundException;
 | |
| 
 | |
|                     // Do not handle 500 server exceptions manually when in development mode.
 | |
|                     // Instead, re-throw the exception so it can be handled by the DeveloperExceptionPageMiddleware.
 | |
|                     // However, do not use the DeveloperExceptionPageMiddleware when the stack trace should be ignored,
 | |
|                     // because it will log the stack trace when it handles the exception.
 | |
|                     if (statusCode == 500 && !ignoreStackTrace && _hostEnvironment.IsDevelopment())
 | |
|                     {
 | |
|                         throw;
 | |
|                     }
 | |
| 
 | |
|                     await ErrorHandler(requestInnerEx, httpReq, statusCode, urlToLog, ignoreStackTrace).ConfigureAwait(false);
 | |
|                 }
 | |
|                 catch (Exception handlerException)
 | |
|                 {
 | |
|                     var aggregateEx = new AggregateException("Error while handling request exception", requestEx, handlerException);
 | |
|                     _logger.LogError(aggregateEx, "Error while handling exception in response to {Url}", urlToLog);
 | |
| 
 | |
|                     if (_hostEnvironment.IsDevelopment())
 | |
|                     {
 | |
|                         throw aggregateEx;
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|             finally
 | |
|             {
 | |
|                 if (httpRes.StatusCode >= 500)
 | |
|                 {
 | |
|                     _logger.LogDebug("Sending HTTP Response 500 in response to {Url}", urlToLog);
 | |
|                 }
 | |
| 
 | |
|                 stopWatch.Stop();
 | |
|                 var elapsed = stopWatch.Elapsed;
 | |
|                 if (elapsed.TotalMilliseconds > 500)
 | |
|                 {
 | |
|                     _logger.LogWarning("HTTP Response {StatusCode} to {RemoteIp}. Time (slow): {Elapsed:g}. {Url}", httpRes.StatusCode, remoteIp, elapsed, urlToLog);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         private async Task WebSocketRequestHandler(HttpContext context)
 | |
|         {
 | |
|             if (_disposed)
 | |
|             {
 | |
|                 return;
 | |
|             }
 | |
| 
 | |
|             try
 | |
|             {
 | |
|                 _logger.LogInformation("WS {IP} request", context.Connection.RemoteIpAddress);
 | |
| 
 | |
|                 WebSocket webSocket = await context.WebSockets.AcceptWebSocketAsync().ConfigureAwait(false);
 | |
| 
 | |
|                 var connection = new WebSocketConnection(
 | |
|                     _loggerFactory.CreateLogger<WebSocketConnection>(),
 | |
|                     webSocket,
 | |
|                     context.Connection.RemoteIpAddress,
 | |
|                     context.Request.Query)
 | |
|                 {
 | |
|                     OnReceive = ProcessWebSocketMessageReceived
 | |
|                 };
 | |
| 
 | |
|                 WebSocketConnected?.Invoke(this, new GenericEventArgs<IWebSocketConnection>(connection));
 | |
| 
 | |
|                 await connection.ProcessAsync().ConfigureAwait(false);
 | |
|                 _logger.LogInformation("WS {IP} closed", context.Connection.RemoteIpAddress);
 | |
|             }
 | |
|             catch (Exception ex) // Otherwise ASP.Net will ignore the exception
 | |
|             {
 | |
|                 _logger.LogError(ex, "WS {IP} WebSocketRequestHandler error", context.Connection.RemoteIpAddress);
 | |
|                 if (!context.Response.HasStarted)
 | |
|                 {
 | |
|                     context.Response.StatusCode = 500;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Get the default CORS headers
 | |
|         /// </summary>
 | |
|         /// <param name="req"></param>
 | |
|         /// <returns></returns>
 | |
|         public IDictionary<string, string> GetDefaultCorsHeaders(IRequest req)
 | |
|         {
 | |
|             var origin = req.Headers["Origin"];
 | |
|             if (origin == StringValues.Empty)
 | |
|             {
 | |
|                 origin = req.Headers["Host"];
 | |
|                 if (origin == StringValues.Empty)
 | |
|                 {
 | |
|                     origin = "*";
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             var headers = new Dictionary<string, string>();
 | |
|             headers.Add("Access-Control-Allow-Origin", origin);
 | |
|             headers.Add("Access-Control-Allow-Credentials", "true");
 | |
|             headers.Add("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS");
 | |
|             headers.Add("Access-Control-Allow-Headers", "Content-Type, Authorization, Range, X-MediaBrowser-Token, X-Emby-Authorization, Cookie");
 | |
|             return headers;
 | |
|         }
 | |
| 
 | |
|         // Entry point for HttpListener
 | |
|         public ServiceHandler GetServiceHandler(IHttpRequest httpReq)
 | |
|         {
 | |
|             var pathInfo = httpReq.PathInfo;
 | |
| 
 | |
|             pathInfo = ServiceHandler.GetSanitizedPathInfo(pathInfo, out string contentType);
 | |
|             var restPath = ServiceController.GetRestPathForRequest(httpReq.HttpMethod, pathInfo);
 | |
|             if (restPath != null)
 | |
|             {
 | |
|                 return new ServiceHandler(restPath, contentType);
 | |
|             }
 | |
| 
 | |
|             _logger.LogError("Could not find handler for {PathInfo}", pathInfo);
 | |
|             return null;
 | |
|         }
 | |
| 
 | |
|         private void RedirectToSecureUrl(IHttpRequest httpReq, HttpResponse httpRes, string url)
 | |
|         {
 | |
|             if (Uri.TryCreate(url, UriKind.Absolute, out Uri uri))
 | |
|             {
 | |
|                 var builder = new UriBuilder(uri)
 | |
|                 {
 | |
|                     Port = _config.Configuration.PublicHttpsPort,
 | |
|                     Scheme = "https"
 | |
|                 };
 | |
|                 url = builder.Uri.ToString();
 | |
|             }
 | |
| 
 | |
|             httpRes.Redirect(url);
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Adds the rest handlers.
 | |
|         /// </summary>
 | |
|         /// <param name="serviceTypes">The service types to register with the <see cref="ServiceController"/>.</param>
 | |
|         /// <param name="listeners">The web socket listeners.</param>
 | |
|         /// <param name="urlPrefixes">The URL prefixes. See <see cref="UrlPrefixes"/>.</param>
 | |
|         public void Init(IEnumerable<Type> serviceTypes, IEnumerable<IWebSocketListener> listeners, IEnumerable<string> urlPrefixes)
 | |
|         {
 | |
|             _webSocketListeners = listeners.ToArray();
 | |
|             UrlPrefixes = urlPrefixes.ToArray();
 | |
| 
 | |
|             ServiceController.Init(this, serviceTypes);
 | |
| 
 | |
|             ResponseFilters = new Action<IRequest, HttpResponse, object>[]
 | |
|             {
 | |
|                 new ResponseFilter(this, _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(NormalizeCustomRoutePath(route.Path), route.Verbs)
 | |
|                 {
 | |
|                     Notes = route.Notes,
 | |
|                     Priority = route.Priority,
 | |
|                     Summary = route.Summary
 | |
|                 });
 | |
| 
 | |
|                 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
 | |
|                 });
 | |
|             }
 | |
| 
 | |
|             return routes.ToArray();
 | |
|         }
 | |
| 
 | |
|         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 Task<object> DeserializeXml(Type type, Stream stream)
 | |
|         {
 | |
|             return Task.FromResult(_xmlSerializer.DeserializeFromStream(type, stream));
 | |
|         }
 | |
| 
 | |
|         public Task<object> DeserializeJson(Type type, Stream stream)
 | |
|         {
 | |
|             return _jsonSerializer.DeserializeFromStreamAsync(stream, type);
 | |
|         }
 | |
| 
 | |
|         private string NormalizeEmbyRoutePath(string path)
 | |
|         {
 | |
|             _logger.LogDebug("Normalizing /emby route");
 | |
|             return _baseUrlPrefix + "/emby" + NormalizeUrlPath(path);
 | |
|         }
 | |
| 
 | |
|         private string NormalizeMediaBrowserRoutePath(string path)
 | |
|         {
 | |
|             _logger.LogDebug("Normalizing /mediabrowser route");
 | |
|             return _baseUrlPrefix + "/mediabrowser" + NormalizeUrlPath(path);
 | |
|         }
 | |
| 
 | |
|         private string NormalizeCustomRoutePath(string path)
 | |
|         {
 | |
|             _logger.LogDebug("Normalizing custom route {0}", path);
 | |
|             return _baseUrlPrefix + NormalizeUrlPath(path);
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Processes the web socket message received.
 | |
|         /// </summary>
 | |
|         /// <param name="result">The result.</param>
 | |
|         private Task ProcessWebSocketMessageReceived(WebSocketMessageInfo result)
 | |
|         {
 | |
|             if (_disposed)
 | |
|             {
 | |
|                 return Task.CompletedTask;
 | |
|             }
 | |
| 
 | |
|             IEnumerable<Task> GetTasks()
 | |
|             {
 | |
|                 foreach (var x in _webSocketListeners)
 | |
|                 {
 | |
|                     yield return x.ProcessMessageAsync(result);
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             return Task.WhenAll(GetTasks());
 | |
|         }
 | |
|     }
 | |
| }
 |