public bool CheckHandshake(Context context)
{
if (context.ReceivedByteCount > 8)
{
ClientHandshake handshake = new ClientHandshake(new ArraySegment<byte>(context.Buffer, context.ReceivedByteCount - 8, 8), context.Header);
// See if our header had the required information
if (handshake.IsValid())
{
// Optionally check Origin and Location if they're set.
if (Origin != string.Empty)
if (handshake.Origin != "http://" + Origin)
return false;
if (Location != string.Empty)
if (handshake.Host != Location + ":" + context.Server.Port.ToString())
return false;
// Generate response handshake for the client
ServerHandshake serverShake = GenerateResponseHandshake(handshake);
// Send the response handshake
SendServerHandshake(serverShake, context);
return true;
}
}
return false;
}
private static ServerHandshake GenerateResponseHandshake(ClientHandshake handshake)
{
ServerHandshake responseHandshake = new ServerHandshake();
responseHandshake.Location = "ws://" + handshake.Host + handshake.ResourcePath;
responseHandshake.Origin = handshake.Origin;
responseHandshake.SubProtocol = handshake.SubProtocol;
responseHandshake.AnswerBytes = GenerateAnswerBytes(handshake.Key1, handshake.Key2, handshake.ChallengeBytes);
return responseHandshake;
}
private static ServerHandshake GenerateResponseHandshake(ClientHandshake AHandshake)
{
ServerHandshake AResponseHandshake = new ServerHandshake();
AResponseHandshake.Location = "ws://" + AHandshake.Host + AHandshake.ResourcePath;
AResponseHandshake.Origin = AHandshake.Origin;
AResponseHandshake.SubProtocol = AHandshake.SubProtocol;
AResponseHandshake.AnswerBytes = GenerateAnswerBytes(AHandshake.Key1, AHandshake.Key2, AHandshake.ChallengeBytes);
return AResponseHandshake;
}