diff options
Diffstat (limited to 'SocketHttpListener/Net/WebSockets')
6 files changed, 0 insertions, 524 deletions
diff --git a/SocketHttpListener/Net/WebSockets/HttpListenerWebSocketContext.cs b/SocketHttpListener/Net/WebSockets/HttpListenerWebSocketContext.cs deleted file mode 100644 index 5ed49ec47..000000000 --- a/SocketHttpListener/Net/WebSockets/HttpListenerWebSocketContext.cs +++ /dev/null @@ -1,92 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Net; -using System.Security.Principal; -using MediaBrowser.Model.Services; - -namespace SocketHttpListener.Net.WebSockets -{ - public class HttpListenerWebSocketContext : WebSocketContext - { - private readonly Uri _requestUri; - private readonly QueryParamCollection _headers; - private readonly CookieCollection _cookieCollection; - private readonly IPrincipal _user; - private readonly bool _isAuthenticated; - private readonly bool _isLocal; - private readonly bool _isSecureConnection; - - private readonly string _origin; - private readonly IEnumerable<string> _secWebSocketProtocols; - private readonly string _secWebSocketVersion; - private readonly string _secWebSocketKey; - - private readonly WebSocket _webSocket; - - internal HttpListenerWebSocketContext( - Uri requestUri, - QueryParamCollection headers, - CookieCollection cookieCollection, - IPrincipal user, - bool isAuthenticated, - bool isLocal, - bool isSecureConnection, - string origin, - IEnumerable<string> secWebSocketProtocols, - string secWebSocketVersion, - string secWebSocketKey, - WebSocket webSocket) - { - _cookieCollection = new CookieCollection(); - _cookieCollection.Add(cookieCollection); - - //_headers = new NameValueCollection(headers); - _headers = headers; - _user = CopyPrincipal(user); - - _requestUri = requestUri; - _isAuthenticated = isAuthenticated; - _isLocal = isLocal; - _isSecureConnection = isSecureConnection; - _origin = origin; - _secWebSocketProtocols = secWebSocketProtocols; - _secWebSocketVersion = secWebSocketVersion; - _secWebSocketKey = secWebSocketKey; - _webSocket = webSocket; - } - - public override Uri RequestUri => _requestUri; - - public override QueryParamCollection Headers => _headers; - - public override string Origin => _origin; - - public override IEnumerable<string> SecWebSocketProtocols => _secWebSocketProtocols; - - public override string SecWebSocketVersion => _secWebSocketVersion; - - public override string SecWebSocketKey => _secWebSocketKey; - - public override CookieCollection CookieCollection => _cookieCollection; - - public override IPrincipal User => _user; - - public override bool IsAuthenticated => _isAuthenticated; - - public override bool IsLocal => _isLocal; - - public override bool IsSecureConnection => _isSecureConnection; - - public override WebSocket WebSocket => _webSocket; - - private static IPrincipal CopyPrincipal(IPrincipal user) - { - if (user != null) - { - throw new NotImplementedException(); - } - - return null; - } - } -} diff --git a/SocketHttpListener/Net/WebSockets/HttpWebSocket.Managed.cs b/SocketHttpListener/Net/WebSockets/HttpWebSocket.Managed.cs deleted file mode 100644 index 1cfd2dc90..000000000 --- a/SocketHttpListener/Net/WebSockets/HttpWebSocket.Managed.cs +++ /dev/null @@ -1,81 +0,0 @@ -using System; -using System.Threading.Tasks; - -namespace SocketHttpListener.Net.WebSockets -{ - internal static partial class HttpWebSocket - { - private const string SupportedVersion = "13"; - - internal static async Task<HttpListenerWebSocketContext> AcceptWebSocketAsyncCore(HttpListenerContext context, - string subProtocol, - int receiveBufferSize, - TimeSpan keepAliveInterval, - ArraySegment<byte>? internalBuffer = null) - { - ValidateOptions(subProtocol, receiveBufferSize, MinSendBufferSize, keepAliveInterval); - - // get property will create a new response if one doesn't exist. - HttpListenerResponse response = context.Response; - HttpListenerRequest request = context.Request; - ValidateWebSocketHeaders(context); - - string secWebSocketVersion = request.Headers[HttpKnownHeaderNames.SecWebSocketVersion]; - - // Optional for non-browser client - string origin = request.Headers[HttpKnownHeaderNames.Origin]; - - string[] secWebSocketProtocols = null; - bool shouldSendSecWebSocketProtocolHeader = - ProcessWebSocketProtocolHeader( - request.Headers[HttpKnownHeaderNames.SecWebSocketProtocol], - subProtocol, - out var outgoingSecWebSocketProtocolString); - - if (shouldSendSecWebSocketProtocolHeader) - { - secWebSocketProtocols = new string[] { outgoingSecWebSocketProtocolString }; - response.Headers.Add(HttpKnownHeaderNames.SecWebSocketProtocol, outgoingSecWebSocketProtocolString); - } - - // negotiate the websocket key return value - string secWebSocketKey = request.Headers[HttpKnownHeaderNames.SecWebSocketKey]; - string secWebSocketAccept = HttpWebSocket.GetSecWebSocketAcceptString(secWebSocketKey); - - response.Headers.Add(HttpKnownHeaderNames.Connection, HttpKnownHeaderNames.Upgrade); - response.Headers.Add(HttpKnownHeaderNames.Upgrade, WebSocketUpgradeToken); - response.Headers.Add(HttpKnownHeaderNames.SecWebSocketAccept, secWebSocketAccept); - - response.StatusCode = (int)HttpStatusCode.SwitchingProtocols; // HTTP 101 - response.StatusDescription = HttpStatusDescription.Get(HttpStatusCode.SwitchingProtocols); - - var responseStream = response.OutputStream as HttpResponseStream; - - // Send websocket handshake headers - await responseStream.WriteWebSocketHandshakeHeadersAsync().ConfigureAwait(false); - - //WebSocket webSocket = WebSocket.CreateFromStream(context.Connection.ConnectedStream, isServer: true, subProtocol, keepAliveInterval); - var webSocket = new WebSocket(subProtocol); - - var webSocketContext = new HttpListenerWebSocketContext( - request.Url, - request.Headers, - request.Cookies, - context.User, - request.IsAuthenticated, - request.IsLocal, - request.IsSecureConnection, - origin, - secWebSocketProtocols != null ? secWebSocketProtocols : Array.Empty<string>(), - secWebSocketVersion, - secWebSocketKey, - webSocket); - - webSocket.SetContext(webSocketContext, context.Connection.Close, context.Connection.Stream); - - return webSocketContext; - } - - private const bool WebSocketsSupported = true; - } -} diff --git a/SocketHttpListener/Net/WebSockets/HttpWebSocket.cs b/SocketHttpListener/Net/WebSockets/HttpWebSocket.cs deleted file mode 100644 index b346cc98e..000000000 --- a/SocketHttpListener/Net/WebSockets/HttpWebSocket.cs +++ /dev/null @@ -1,159 +0,0 @@ -using System; -using System.Diagnostics.CodeAnalysis; -using System.Security.Cryptography; -using System.Text; -using System.Threading; - -namespace SocketHttpListener.Net.WebSockets -{ - internal static partial class HttpWebSocket - { - internal const string SecWebSocketKeyGuid = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"; - internal const string WebSocketUpgradeToken = "websocket"; - internal const int DefaultReceiveBufferSize = 16 * 1024; - internal const int DefaultClientSendBufferSize = 16 * 1024; - - [SuppressMessage("Microsoft.Security", "CA5350", Justification = "SHA1 used only for hashing purposes, not for crypto.")] - internal static string GetSecWebSocketAcceptString(string secWebSocketKey) - { - string retVal; - - // SHA1 used only for hashing purposes, not for crypto. Check here for FIPS compat. - using (var sha1 = SHA1.Create()) - { - string acceptString = string.Concat(secWebSocketKey, HttpWebSocket.SecWebSocketKeyGuid); - byte[] toHash = Encoding.UTF8.GetBytes(acceptString); - retVal = Convert.ToBase64String(sha1.ComputeHash(toHash)); - } - - return retVal; - } - - // return value here signifies if a Sec-WebSocket-Protocol header should be returned by the server. - internal static bool ProcessWebSocketProtocolHeader(string clientSecWebSocketProtocol, - string subProtocol, - out string acceptProtocol) - { - acceptProtocol = string.Empty; - if (string.IsNullOrEmpty(clientSecWebSocketProtocol)) - { - // client hasn't specified any Sec-WebSocket-Protocol header - if (subProtocol != null) - { - // If the server specified _anything_ this isn't valid. - throw new WebSocketException("UnsupportedProtocol"); - } - // Treat empty and null from the server as the same thing here, server should not send headers. - return false; - } - - // here, we know the client specified something and it's non-empty. - - if (subProtocol == null) - { - // client specified some protocols, server specified 'null'. So server should send headers. - return true; - } - - // here, we know that the client has specified something, it's not empty - // and the server has specified exactly one protocol - - string[] requestProtocols = clientSecWebSocketProtocol.Split(new char[] { ',' }, - StringSplitOptions.RemoveEmptyEntries); - acceptProtocol = subProtocol; - - // client specified protocols, serverOptions has exactly 1 non-empty entry. Check that - // this exists in the list the client specified. - for (int i = 0; i < requestProtocols.Length; i++) - { - string currentRequestProtocol = requestProtocols[i].Trim(); - if (string.Equals(acceptProtocol, currentRequestProtocol, StringComparison.OrdinalIgnoreCase)) - { - return true; - } - } - - throw new WebSocketException("net_WebSockets_AcceptUnsupportedProtocol"); - } - - internal static void ValidateOptions(string subProtocol, int receiveBufferSize, int sendBufferSize, TimeSpan keepAliveInterval) - { - if (subProtocol != null) - { - WebSocketValidate.ValidateSubprotocol(subProtocol); - } - - if (receiveBufferSize < MinReceiveBufferSize) - { - throw new ArgumentOutOfRangeException(nameof(receiveBufferSize), "The receiveBufferSize was too small."); - } - - if (sendBufferSize < MinSendBufferSize) - { - throw new ArgumentOutOfRangeException(nameof(sendBufferSize), "The sendBufferSize was too small."); - } - - if (receiveBufferSize > MaxBufferSize) - { - throw new ArgumentOutOfRangeException(nameof(receiveBufferSize), "The receiveBufferSize was too large."); - } - - if (sendBufferSize > MaxBufferSize) - { - throw new ArgumentOutOfRangeException(nameof(sendBufferSize), "The sendBufferSize was too large."); - } - - if (keepAliveInterval < Timeout.InfiniteTimeSpan) // -1 millisecond - { - throw new ArgumentOutOfRangeException(nameof(keepAliveInterval), "The keepAliveInterval was too small."); - } - } - - internal const int MinSendBufferSize = 16; - internal const int MinReceiveBufferSize = 256; - internal const int MaxBufferSize = 64 * 1024; - - private static void ValidateWebSocketHeaders(HttpListenerContext context) - { - if (!WebSocketsSupported) - { - throw new PlatformNotSupportedException("net_WebSockets_UnsupportedPlatform"); - } - - if (!context.Request.IsWebSocketRequest) - { - throw new WebSocketException("net_WebSockets_AcceptNotAWebSocket"); - } - - string secWebSocketVersion = context.Request.Headers[HttpKnownHeaderNames.SecWebSocketVersion]; - if (string.IsNullOrEmpty(secWebSocketVersion)) - { - throw new WebSocketException("net_WebSockets_AcceptHeaderNotFound"); - } - - if (!string.Equals(secWebSocketVersion, SupportedVersion, StringComparison.OrdinalIgnoreCase)) - { - throw new WebSocketException("net_WebSockets_AcceptUnsupportedWebSocketVersion"); - } - - string secWebSocketKey = context.Request.Headers[HttpKnownHeaderNames.SecWebSocketKey]; - bool isSecWebSocketKeyInvalid = string.IsNullOrWhiteSpace(secWebSocketKey); - if (!isSecWebSocketKeyInvalid) - { - try - { - // key must be 16 bytes then base64-encoded - isSecWebSocketKeyInvalid = Convert.FromBase64String(secWebSocketKey).Length != 16; - } - catch - { - isSecWebSocketKeyInvalid = true; - } - } - if (isSecWebSocketKeyInvalid) - { - throw new WebSocketException("net_WebSockets_AcceptHeaderNotFound"); - } - } - } -} diff --git a/SocketHttpListener/Net/WebSockets/WebSocketCloseStatus.cs b/SocketHttpListener/Net/WebSockets/WebSocketCloseStatus.cs deleted file mode 100644 index 5ac89cf48..000000000 --- a/SocketHttpListener/Net/WebSockets/WebSocketCloseStatus.cs +++ /dev/null @@ -1,27 +0,0 @@ -namespace SocketHttpListener.Net.WebSockets -{ - public enum WebSocketCloseStatus - { - NormalClosure = 1000, - EndpointUnavailable = 1001, - ProtocolError = 1002, - InvalidMessageType = 1003, - Empty = 1005, - // AbnormalClosure = 1006, // 1006 is reserved and should never be used by user - InvalidPayloadData = 1007, - PolicyViolation = 1008, - MessageTooBig = 1009, - MandatoryExtension = 1010, - InternalServerError = 1011 - // TLSHandshakeFailed = 1015, // 1015 is reserved and should never be used by user - - // 0 - 999 Status codes in the range 0-999 are not used. - // 1000 - 1999 Status codes in the range 1000-1999 are reserved for definition by this protocol. - // 2000 - 2999 Status codes in the range 2000-2999 are reserved for use by extensions. - // 3000 - 3999 Status codes in the range 3000-3999 MAY be used by libraries and frameworks. The - // interpretation of these codes is undefined by this protocol. End applications MUST - // NOT use status codes in this range. - // 4000 - 4999 Status codes in the range 4000-4999 MAY be used by application code. The interpretation - // of these codes is undefined by this protocol. - } -} diff --git a/SocketHttpListener/Net/WebSockets/WebSocketContext.cs b/SocketHttpListener/Net/WebSockets/WebSocketContext.cs deleted file mode 100644 index 10ad86439..000000000 --- a/SocketHttpListener/Net/WebSockets/WebSocketContext.cs +++ /dev/null @@ -1,24 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Net; -using System.Security.Principal; -using MediaBrowser.Model.Services; - -namespace SocketHttpListener.Net.WebSockets -{ - public abstract class WebSocketContext - { - public abstract Uri RequestUri { get; } - public abstract QueryParamCollection Headers { get; } - public abstract string Origin { get; } - public abstract IEnumerable<string> SecWebSocketProtocols { get; } - public abstract string SecWebSocketVersion { get; } - public abstract string SecWebSocketKey { get; } - public abstract CookieCollection CookieCollection { get; } - public abstract IPrincipal User { get; } - public abstract bool IsAuthenticated { get; } - public abstract bool IsLocal { get; } - public abstract bool IsSecureConnection { get; } - public abstract WebSocket WebSocket { get; } - } -} diff --git a/SocketHttpListener/Net/WebSockets/WebSocketValidate.cs b/SocketHttpListener/Net/WebSockets/WebSocketValidate.cs deleted file mode 100644 index 0469e3b6c..000000000 --- a/SocketHttpListener/Net/WebSockets/WebSocketValidate.cs +++ /dev/null @@ -1,141 +0,0 @@ -using System; -using System.Globalization; -using System.Text; -using WebSocketState = System.Net.WebSockets.WebSocketState; - -namespace SocketHttpListener.Net.WebSockets -{ - internal static partial class WebSocketValidate - { - internal const int MaxControlFramePayloadLength = 123; - private const int CloseStatusCodeAbort = 1006; - private const int CloseStatusCodeFailedTLSHandshake = 1015; - private const int InvalidCloseStatusCodesFrom = 0; - private const int InvalidCloseStatusCodesTo = 999; - private const string Separators = "()<>@,;:\\\"/[]?={} "; - - internal static void ThrowIfInvalidState(WebSocketState currentState, bool isDisposed, WebSocketState[] validStates) - { - string validStatesText = string.Empty; - - if (validStates != null && validStates.Length > 0) - { - foreach (WebSocketState validState in validStates) - { - if (currentState == validState) - { - // Ordering is important to maintain .NET 4.5 WebSocket implementation exception behavior. - if (isDisposed) - { - throw new ObjectDisposedException(nameof(WebSocket)); - } - - return; - } - } - - validStatesText = string.Join(", ", validStates); - } - - throw new WebSocketException("net_WebSockets_InvalidState"); - } - - internal static void ValidateSubprotocol(string subProtocol) - { - if (string.IsNullOrWhiteSpace(subProtocol)) - { - throw new ArgumentException("net_WebSockets_InvalidEmptySubProtocol"); - } - - string invalidChar = null; - int i = 0; - while (i < subProtocol.Length) - { - char ch = subProtocol[i]; - if (ch < 0x21 || ch > 0x7e) - { - invalidChar = string.Format(CultureInfo.InvariantCulture, "[{0}]", (int)ch); - break; - } - - if (!char.IsLetterOrDigit(ch) && - Separators.IndexOf(ch) >= 0) - { - invalidChar = ch.ToString(); - break; - } - - i++; - } - - if (invalidChar != null) - { - throw new ArgumentException("net_WebSockets_InvalidCharInProtocolString"); - } - } - - internal static void ValidateCloseStatus(WebSocketCloseStatus closeStatus, string statusDescription) - { - if (closeStatus == WebSocketCloseStatus.Empty && !string.IsNullOrEmpty(statusDescription)) - { - throw new ArgumentException("net_WebSockets_ReasonNotNull"); - } - - int closeStatusCode = (int)closeStatus; - - if ((closeStatusCode >= InvalidCloseStatusCodesFrom && - closeStatusCode <= InvalidCloseStatusCodesTo) || - closeStatusCode == CloseStatusCodeAbort || - closeStatusCode == CloseStatusCodeFailedTLSHandshake) - { - // CloseStatus 1006 means Aborted - this will never appear on the wire and is reflected by calling WebSocket.Abort - throw new ArgumentException("net_WebSockets_InvalidCloseStatusCode"); - } - - int length = 0; - if (!string.IsNullOrEmpty(statusDescription)) - { - length = Encoding.UTF8.GetByteCount(statusDescription); - } - - if (length > MaxControlFramePayloadLength) - { - throw new ArgumentException("net_WebSockets_InvalidCloseStatusDescription"); - } - } - - internal static void ValidateArraySegment(ArraySegment<byte> arraySegment, string parameterName) - { - if (arraySegment.Array == null) - { - throw new ArgumentNullException(parameterName + "." + nameof(arraySegment.Array)); - } - if (arraySegment.Offset < 0 || arraySegment.Offset > arraySegment.Array.Length) - { - throw new ArgumentOutOfRangeException(parameterName + "." + nameof(arraySegment.Offset)); - } - if (arraySegment.Count < 0 || arraySegment.Count > (arraySegment.Array.Length - arraySegment.Offset)) - { - throw new ArgumentOutOfRangeException(parameterName + "." + nameof(arraySegment.Count)); - } - } - - internal static void ValidateBuffer(byte[] buffer, int offset, int count) - { - if (buffer == null) - { - throw new ArgumentNullException(nameof(buffer)); - } - - if (offset < 0 || offset > buffer.Length) - { - throw new ArgumentOutOfRangeException(nameof(offset)); - } - - if (count < 0 || count > (buffer.Length - offset)) - { - throw new ArgumentOutOfRangeException(nameof(count)); - } - } - } -} |