private bool SendResponse(TcpClient client, ClientHeaderData CData)
{
// here we send him response header data
string response;
response = "HTTP/1.1 101 \r\n" +
"Upgrade: websocket\r\n" +
"Sec-WebSocket-Accept: " + Convert.ToBase64String(
SHA1.Create().ComputeHash(
Encoding.UTF8.GetBytes(
CData.get("Sec-WebSocket-Key").Trim() + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
)
)
) + "\r\nConnection: upgrade\r\n\r\n";
NetworkStream stream = client.GetStream();
byte[] buffer = Encoding.UTF8.GetBytes(response);
try
{
stream.Write(buffer, 0, buffer.Length);
return(true);
}
catch (System.IO.IOException)
{
Client.Kill(client);
return(false);
}
}
private bool ClientIsValid(string request, out ClientHeaderData CData)
{
CData = new ClientHeaderData(1);// it is temporary
string[] tempLines = request.Split("\n\r".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
string[] tmp;
if (tempLines.Length < 1)
{
return(false);
}
CData = new ClientHeaderData(tempLines.Length - 1);
for (int i = 0; i < tempLines.Length; i++)
{
if (i == 0)
{
tmp = tempLines[i].Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (tmp[0] != "GET")
{
return(false);
}
if (tmp[1][0] != '/')
{
return(false);
}
}
else
{
tmp = tempLines[i].Split(":".ToCharArray(), 2, StringSplitOptions.RemoveEmptyEntries);
if (!CData.add(tmp[0], tmp[1]))
{
return(false);
}
}
}
return(true);
}