public override bool Handshake(IWebSocketSession session, WebSocketRequestFilterBase previousFilter, out IRequestFilter <IWebSocketFragment> dataFrameReader) { var secKey1 = session.Items.GetValue <string>(WebSocketConstant.SecWebSocketKey1, string.Empty); var secKey2 = session.Items.GetValue <string>(WebSocketConstant.SecWebSocketKey2, string.Empty); if (string.IsNullOrEmpty(secKey1) && string.IsNullOrEmpty(secKey2) && NextProcessor != null) { return(NextProcessor.Handshake(session, previousFilter, out dataFrameReader)); } session.ProtocolProcessor = this; var secKey3 = session.Items.GetValue <byte[]>(WebSocketConstant.SecWebSocketKey3, m_ZeroKeyBytes); var responseBuilder = new StringBuilder(); responseBuilder.AppendWithCrCf(WebSocketConstant.ResponseHeadLine00); responseBuilder.AppendWithCrCf(WebSocketConstant.ResponseUpgradeLine); responseBuilder.AppendWithCrCf(WebSocketConstant.ResponseConnectionLine); if (!string.IsNullOrEmpty(session.Origin)) { responseBuilder.AppendFormatWithCrCf(WebSocketConstant.ResponseOriginLine, session.Origin); } responseBuilder.AppendFormatWithCrCf(WebSocketConstant.ResponseLocationLine, session.UriScheme, session.Host, session.Path); var subProtocol = session.GetAvailableSubProtocol(session.Items.GetValue <string>(WebSocketConstant.SecWebSocketProtocol, string.Empty)); if (!string.IsNullOrEmpty(subProtocol)) { responseBuilder.AppendFormatWithCrCf(WebSocketConstant.ResponseProtocolLine, subProtocol); } responseBuilder.AppendWithCrCf(); byte[] data = Encoding.UTF8.GetBytes(responseBuilder.ToString()); session.SendRawResponse(data, 0, data.Length); //Encrypt message byte[] secret = GetResponseSecurityKey(secKey1, secKey2, secKey3); session.SendRawResponse(secret, 0, secret.Length); dataFrameReader = new WebSocketDataRequestFilter(previousFilter); return(true); }
public override bool Handshake(IWebSocketSession session, WebSocketRequestFilterBase previousFilter, out IRequestFilter<IWebSocketFragment> dataFrameReader) { var secKey1 = session.Items.GetValue<string>(WebSocketConstant.SecWebSocketKey1, string.Empty); var secKey2 = session.Items.GetValue<string>(WebSocketConstant.SecWebSocketKey2, string.Empty); if (string.IsNullOrEmpty(secKey1) && string.IsNullOrEmpty(secKey2) && NextProcessor != null) { return NextProcessor.Handshake(session, previousFilter, out dataFrameReader); } session.ProtocolProcessor = this; var secKey3 = session.Items.GetValue<byte[]>(WebSocketConstant.SecWebSocketKey3, m_ZeroKeyBytes); var responseBuilder = new StringBuilder(); responseBuilder.AppendWithCrCf(WebSocketConstant.ResponseHeadLine00); responseBuilder.AppendWithCrCf(WebSocketConstant.ResponseUpgradeLine); responseBuilder.AppendWithCrCf(WebSocketConstant.ResponseConnectionLine); if (!string.IsNullOrEmpty(session.Origin)) responseBuilder.AppendFormatWithCrCf(WebSocketConstant.ResponseOriginLine, session.Origin); responseBuilder.AppendFormatWithCrCf(WebSocketConstant.ResponseLocationLine, session.UriScheme, session.Host, session.Path); var subProtocol = session.GetAvailableSubProtocol(session.Items.GetValue<string>(WebSocketConstant.SecWebSocketProtocol, string.Empty)); if (!string.IsNullOrEmpty(subProtocol)) responseBuilder.AppendFormatWithCrCf(WebSocketConstant.ResponseProtocolLine, subProtocol); responseBuilder.AppendWithCrCf(); byte[] data = Encoding.UTF8.GetBytes(responseBuilder.ToString()); session.SendRawData(data, 0, data.Length); //Encrypt message byte[] secret = GetResponseSecurityKey(secKey1, secKey2, secKey3); session.SendRawData(secret, 0, secret.Length); dataFrameReader = new WebSocketDataRequestFilter(previousFilter); return true; }