mirror of
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349 lines
9.9 KiB
C#
349 lines
9.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.IO;
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using System.Net;
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using System.Security.Principal;
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using MediaBrowser.Model.Cryptography;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Net;
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using MediaBrowser.Model.Services;
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using SocketHttpListener.Primitives;
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namespace SocketHttpListener.Net.WebSockets
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{
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/// <summary>
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/// Provides the properties used to access the information in a WebSocket connection request
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/// received by the <see cref="HttpListener"/>.
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/// </summary>
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/// <remarks>
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/// </remarks>
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public class HttpListenerWebSocketContext : WebSocketContext
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{
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#region Private Fields
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private HttpListenerContext _context;
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private WebSocket _websocket;
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#endregion
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#region Internal Constructors
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internal HttpListenerWebSocketContext(
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HttpListenerContext context, string protocol, ICryptoProvider cryptoProvider, IMemoryStreamFactory memoryStreamFactory)
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{
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_context = context;
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_websocket = new WebSocket(this, protocol, cryptoProvider, memoryStreamFactory);
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}
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#endregion
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#region Internal Properties
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internal Stream Stream
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{
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get
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{
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return _context.Connection.Stream;
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}
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}
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#endregion
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#region Public Properties
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/// <summary>
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/// Gets the HTTP cookies included in the request.
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/// </summary>
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/// <value>
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/// A <see cref="System.Net.CookieCollection"/> that contains the cookies.
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/// </value>
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public override CookieCollection CookieCollection
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{
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get
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{
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return _context.Request.Cookies;
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}
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}
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/// <summary>
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/// Gets the HTTP headers included in the request.
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/// </summary>
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/// <value>
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/// A <see cref="QueryParamCollection"/> that contains the headers.
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/// </value>
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public override QueryParamCollection Headers
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{
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get
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{
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return _context.Request.Headers;
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}
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}
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/// <summary>
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/// Gets the value of the Host header included in the request.
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/// </summary>
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/// <value>
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/// A <see cref="string"/> that represents the value of the Host header.
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/// </value>
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public override string Host
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{
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get
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{
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return _context.Request.Headers["Host"];
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}
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}
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/// <summary>
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/// Gets a value indicating whether the client is authenticated.
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/// </summary>
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/// <value>
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/// <c>true</c> if the client is authenticated; otherwise, <c>false</c>.
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/// </value>
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public override bool IsAuthenticated
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{
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get
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{
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return _context.Request.IsAuthenticated;
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}
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}
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/// <summary>
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/// Gets a value indicating whether the client connected from the local computer.
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/// </summary>
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/// <value>
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/// <c>true</c> if the client connected from the local computer; otherwise, <c>false</c>.
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/// </value>
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public override bool IsLocal
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{
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get
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{
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return _context.Request.IsLocal;
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}
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}
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/// <summary>
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/// Gets a value indicating whether the WebSocket connection is secured.
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/// </summary>
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/// <value>
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/// <c>true</c> if the connection is secured; otherwise, <c>false</c>.
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/// </value>
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public override bool IsSecureConnection
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{
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get
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{
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return _context.Connection.IsSecure;
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}
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}
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/// <summary>
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/// Gets a value indicating whether the request is a WebSocket connection request.
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/// </summary>
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/// <value>
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/// <c>true</c> if the request is a WebSocket connection request; otherwise, <c>false</c>.
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/// </value>
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public override bool IsWebSocketRequest
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{
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get
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{
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return _context.Request.IsWebSocketRequest;
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}
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}
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/// <summary>
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/// Gets the value of the Origin header included in the request.
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/// </summary>
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/// <value>
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/// A <see cref="string"/> that represents the value of the Origin header.
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/// </value>
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public override string Origin
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{
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get
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{
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return _context.Request.Headers["Origin"];
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}
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}
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/// <summary>
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/// Gets the query string included in the request.
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/// </summary>
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/// <value>
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/// A <see cref="QueryParamCollection"/> that contains the query string parameters.
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/// </value>
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public override QueryParamCollection QueryString
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{
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get
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{
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return _context.Request.QueryString;
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}
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}
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/// <summary>
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/// Gets the URI requested by the client.
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/// </summary>
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/// <value>
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/// A <see cref="Uri"/> that represents the requested URI.
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/// </value>
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public override Uri RequestUri
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{
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get
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{
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return _context.Request.Url;
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}
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}
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/// <summary>
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/// Gets the value of the Sec-WebSocket-Key header included in the request.
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/// </summary>
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/// <remarks>
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/// This property provides a part of the information used by the server to prove that it
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/// received a valid WebSocket connection request.
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/// </remarks>
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/// <value>
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/// A <see cref="string"/> that represents the value of the Sec-WebSocket-Key header.
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/// </value>
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public override string SecWebSocketKey
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{
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get
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{
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return _context.Request.Headers["Sec-WebSocket-Key"];
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}
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}
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/// <summary>
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/// Gets the values of the Sec-WebSocket-Protocol header included in the request.
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/// </summary>
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/// <remarks>
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/// This property represents the subprotocols requested by the client.
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/// </remarks>
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/// <value>
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/// An <see cref="T:System.Collections.Generic.IEnumerable{string}"/> instance that provides
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/// an enumerator which supports the iteration over the values of the Sec-WebSocket-Protocol
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/// header.
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/// </value>
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public override IEnumerable<string> SecWebSocketProtocols
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{
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get
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{
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var protocols = _context.Request.Headers["Sec-WebSocket-Protocol"];
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if (protocols != null)
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foreach (var protocol in protocols.Split(','))
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yield return protocol.Trim();
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}
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}
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/// <summary>
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/// Gets the value of the Sec-WebSocket-Version header included in the request.
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/// </summary>
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/// <remarks>
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/// This property represents the WebSocket protocol version.
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/// </remarks>
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/// <value>
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/// A <see cref="string"/> that represents the value of the Sec-WebSocket-Version header.
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/// </value>
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public override string SecWebSocketVersion
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{
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get
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{
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return _context.Request.Headers["Sec-WebSocket-Version"];
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}
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}
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/// <summary>
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/// Gets the server endpoint as an IP address and a port number.
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/// </summary>
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/// <value>
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/// </value>
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public override IPEndPoint ServerEndPoint
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{
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get
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{
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return _context.Connection.LocalEndPoint;
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}
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}
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/// <summary>
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/// Gets the client information (identity, authentication, and security roles).
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/// </summary>
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/// <value>
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/// A <see cref="IPrincipal"/> that represents the client information.
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/// </value>
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public override IPrincipal User
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{
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get
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{
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return _context.User;
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}
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}
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/// <summary>
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/// Gets the client endpoint as an IP address and a port number.
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/// </summary>
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/// <value>
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/// </value>
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public override IPEndPoint UserEndPoint
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{
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get
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{
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return _context.Connection.RemoteEndPoint;
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}
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}
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/// <summary>
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/// Gets the <see cref="SocketHttpListener.WebSocket"/> instance used for two-way communication
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/// between client and server.
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/// </summary>
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/// <value>
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/// A <see cref="SocketHttpListener.WebSocket"/>.
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/// </value>
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public override WebSocket WebSocket
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{
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get
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{
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return _websocket;
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}
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}
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#endregion
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#region Internal Methods
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internal void Close()
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{
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try
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{
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_context.Connection.Close(true);
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}
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catch
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{
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// catch errors sending the closing handshake
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}
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}
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internal void Close(HttpStatusCode code)
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{
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_context.Response.StatusCode = (int)code;
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_context.Response.OutputStream.Dispose();
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}
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#endregion
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#region Public Methods
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/// <summary>
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/// Returns a <see cref="string"/> that represents the current
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/// <see cref="HttpListenerWebSocketContext"/>.
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/// </summary>
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/// <returns>
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/// A <see cref="string"/> that represents the current
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/// <see cref="HttpListenerWebSocketContext"/>.
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/// </returns>
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public override string ToString()
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{
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return _context.Request.ToString();
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}
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#endregion
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}
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}
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