private void Handshake(string TransportName, HttpListenerRequest Request, HttpListenerResponse Response)
{
void OnError()
{
EngineIOHttpManager.SendErrorMessage(Request, Response, Exceptions.BAD_REQUEST);
}
try
{
if (EngineIOHttpManager.IsPolling(TransportName))
{
EngineIOTransport Transport = new EngineIOPolling(Request);
Transport.OnRequest(Request, Response);
Handshake(EngineIOSocketID.Generate(), Transport);
}
else
{
OnError();
}
}
catch (Exception Exception)
{
EngineIOLogger.Error(this, Exception);
OnError();
}
}
private EngineIOException Verify(NameValueCollection QueryString, NameValueCollection Headers, EngineIOTransportType ExpectedTransportType)
{
EngineIOException Exception = Exceptions.UNKNOWN_TRANSPORT;
if (EngineIOHttpManager.GetTransport(QueryString).Equals(ExpectedTransportType.ToString()))
{
bool IsPolling = EngineIOHttpManager.IsPolling(QueryString) && Option.Polling;
bool IsWebSocket = EngineIOHttpManager.IsWebSocket(QueryString) && Option.WebSocket;
if (IsPolling || IsWebSocket)
{
if (EngineIOHttpManager.IsValidHeader(EngineIOHttpManager.GetOrigin(Headers)))
{
Exception = null;
}
else
{
Exception = Exceptions.BAD_REQUEST;
}
}
}
return(Exception);
}