| | | 1 | | #nullable disable |
| | | 2 | | |
| | | 3 | | #pragma warning disable CS1591 |
| | | 4 | | |
| | | 5 | | using System; |
| | | 6 | | using System.Collections.Generic; |
| | | 7 | | using System.Linq; |
| | | 8 | | using System.Net.WebSockets; |
| | | 9 | | using System.Threading.Tasks; |
| | | 10 | | using MediaBrowser.Common.Extensions; |
| | | 11 | | using MediaBrowser.Controller.Net; |
| | | 12 | | using Microsoft.AspNetCore.Http; |
| | | 13 | | using Microsoft.Extensions.Logging; |
| | | 14 | | |
| | | 15 | | namespace Emby.Server.Implementations.HttpServer |
| | | 16 | | { |
| | | 17 | | public class WebSocketManager : IWebSocketManager |
| | | 18 | | { |
| | | 19 | | private readonly IWebSocketListener[] _webSocketListeners; |
| | | 20 | | private readonly IAuthService _authService; |
| | | 21 | | private readonly ILogger<WebSocketManager> _logger; |
| | | 22 | | private readonly ILoggerFactory _loggerFactory; |
| | | 23 | | |
| | | 24 | | public WebSocketManager( |
| | | 25 | | IAuthService authService, |
| | | 26 | | IEnumerable<IWebSocketListener> webSocketListeners, |
| | | 27 | | ILogger<WebSocketManager> logger, |
| | | 28 | | ILoggerFactory loggerFactory) |
| | | 29 | | { |
| | 20 | 30 | | _webSocketListeners = webSocketListeners.ToArray(); |
| | 20 | 31 | | _authService = authService; |
| | 20 | 32 | | _logger = logger; |
| | 20 | 33 | | _loggerFactory = loggerFactory; |
| | 20 | 34 | | } |
| | | 35 | | |
| | | 36 | | /// <inheritdoc /> |
| | | 37 | | public async Task WebSocketRequestHandler(HttpContext context) |
| | | 38 | | { |
| | | 39 | | var authorizationInfo = await _authService.Authenticate(context.Request).ConfigureAwait(false); |
| | | 40 | | if (!authorizationInfo.IsAuthenticated) |
| | | 41 | | { |
| | | 42 | | throw new SecurityException("Token is required"); |
| | | 43 | | } |
| | | 44 | | |
| | | 45 | | try |
| | | 46 | | { |
| | | 47 | | _logger.LogInformation("WS {IP} request", context.Connection.RemoteIpAddress); |
| | | 48 | | |
| | | 49 | | WebSocket webSocket = await context.WebSockets.AcceptWebSocketAsync().ConfigureAwait(false); |
| | | 50 | | |
| | | 51 | | var connection = new WebSocketConnection( |
| | | 52 | | _loggerFactory.CreateLogger<WebSocketConnection>(), |
| | | 53 | | webSocket, |
| | | 54 | | authorizationInfo, |
| | | 55 | | context.GetNormalizedRemoteIP()) |
| | | 56 | | { |
| | | 57 | | OnReceive = ProcessWebSocketMessageReceived |
| | | 58 | | }; |
| | | 59 | | await using (connection.ConfigureAwait(false)) |
| | | 60 | | { |
| | | 61 | | var tasks = new Task[_webSocketListeners.Length]; |
| | | 62 | | for (var i = 0; i < _webSocketListeners.Length; ++i) |
| | | 63 | | { |
| | | 64 | | tasks[i] = _webSocketListeners[i].ProcessWebSocketConnectedAsync(connection, context); |
| | | 65 | | } |
| | | 66 | | |
| | | 67 | | await Task.WhenAll(tasks).ConfigureAwait(false); |
| | | 68 | | |
| | | 69 | | await connection.ReceiveAsync().ConfigureAwait(false); |
| | | 70 | | _logger.LogInformation("WS {IP} closed", context.Connection.RemoteIpAddress); |
| | | 71 | | } |
| | | 72 | | } |
| | | 73 | | catch (Exception ex) // Otherwise ASP.Net will ignore the exception |
| | | 74 | | { |
| | | 75 | | _logger.LogError(ex, "WS {IP} WebSocketRequestHandler error", context.Connection.RemoteIpAddress); |
| | | 76 | | if (!context.Response.HasStarted) |
| | | 77 | | { |
| | | 78 | | context.Response.StatusCode = 500; |
| | | 79 | | } |
| | | 80 | | } |
| | | 81 | | } |
| | | 82 | | |
| | | 83 | | /// <summary> |
| | | 84 | | /// Processes the web socket message received. |
| | | 85 | | /// </summary> |
| | | 86 | | /// <param name="result">The result.</param> |
| | | 87 | | private Task ProcessWebSocketMessageReceived(WebSocketMessageInfo result) |
| | | 88 | | { |
| | 0 | 89 | | var tasks = new Task[_webSocketListeners.Length]; |
| | 0 | 90 | | for (var i = 0; i < _webSocketListeners.Length; ++i) |
| | | 91 | | { |
| | 0 | 92 | | tasks[i] = _webSocketListeners[i].ProcessMessageAsync(result); |
| | | 93 | | } |
| | | 94 | | |
| | 0 | 95 | | return Task.WhenAll(tasks); |
| | | 96 | | } |
| | | 97 | | } |
| | | 98 | | } |