void IServerChannelSink.AsyncProcessResponse(IServerResponseChannelSinkStack sinkStack, object state, IMessage msg, ITransportHeaders headers, System.IO.Stream stream)
{
#if DEBUG
System.Diagnostics.Trace.Assert((state as System.Threading.Thread).Equals(System.Threading.Thread.CurrentThread));
#endif
sinkStack.AsyncProcessResponse(msg, headers, stream);
ServerAuthenticationHelper.UnAuthenticate();
}
ServerProcessing IServerChannelSink.ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, System.IO.Stream requestStream, out IMessage responseMsg, out ITransportHeaders responseHeaders, out System.IO.Stream responseStream)
{
System.Net.IPAddress address = System.Net.IPAddress.Parse(requestHeaders[CommonTransportKeys.IPAddress].ToString());
if (!IsTrustedIP(address))
{
Logger.Error("Client connection refused from " + address.ToString());
throw new SC.Interfaces.SCException("Connection refused from address " + address.ToString());
}
if (ServerAuthenticationHelper.IsChallengeRequest(requestHeaders))
{
Logger.Info("Client connection accepted from " + address.ToString());
ClientContext context = new ClientContext();
responseHeaders = new TransportHeaders();
responseStream = new System.IO.MemoryStream();
context.AuthHelper.Challenge(responseHeaders);
responseMsg = requestMsg;
lock (contexts)
contexts[context.AuthHelper.Ticket] = context;
return(ServerProcessing.Complete);
}
if (!AuthenticationHelper.HasValidTicket(requestHeaders))
{
throw new SC.Interfaces.SCException("Protocol violation: No ticket");
}
Guid ticket = AuthenticationHelper.GetTicket(requestHeaders);
ClientContext ctxt = null;
lock (contexts)
{
if (contexts.ContainsKey(ticket))
{
ctxt = contexts[ticket];
}
}
if (ctxt == null)
{
throw new SC.Interfaces.SCException("Protocol violation: issue a challenge request first.");
}
else if (ctxt.SessionExpired)
{
Logger.Info("Session for address " + address.ToString() + " expired.");
throw new SC.Interfaces.SessionExpiredException();
}
ctxt.AuthHelper.Authenticate(requestHeaders, ref requestStream);
ServerProcessing result = nextSink.ProcessMessage(sinkStack, requestMsg, requestHeaders, requestStream, out responseMsg, out responseHeaders, out responseStream);
if (result == ServerProcessing.Async)
{
sinkStack.Push(this,
#if DEBUG
System.Threading.Thread.CurrentThread
#else
null
#endif
);
}
else
{
ServerAuthenticationHelper.UnAuthenticate();
}
return(result);
}