internal long Parse(byte[] data)
{
if (WSMode)
{
// now parse WS protocol
WebsocketPacket ws = new WebsocketPacket();
var pSize = ws.Parse(data, 0, (uint)data.Length);
if (pSize > 0)
{
WSRequest = ws;
return(0);
}
else
{
return(pSize);
}
}
else
{
var rp = new HTTPRequestPacket();
var pSize = rp.Parse(data, 0, (uint)data.Length);
if (pSize > 0)
{
Request = rp;
return(0);
}
else
{
return(pSize);
}
}
}
public static bool Upgrade(HTTPRequestPacket request, HTTPResponsePacket response)
{
if (IsWebsocketRequest(request))
{
string magicString = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
string ret = request.Headers["Sec-WebSocket-Key"] + magicString;
// Compute the SHA1 hash
SHA1 sha = SHA1.Create();
byte[] sha1Hash = sha.ComputeHash(Encoding.UTF8.GetBytes(ret));
response.Headers["Upgrade"] = request.Headers["Upgrade"];
response.Headers["Connection"] = request.Headers["Connection"];// "Upgrade";
response.Headers["Sec-WebSocket-Accept"] = Convert.ToBase64String(sha1Hash);
if (request.Headers.ContainsKey("Sec-WebSocket-Protocol"))
{
response.Headers["Sec-WebSocket-Protocol"] = request.Headers["Sec-WebSocket-Protocol"];
}
response.Number = HTTPResponsePacket.ResponseCode.Switching;
response.Text = "Switching Protocols";
return(true);
}
return(false);
}
public static bool IsWebsocketRequest(HTTPRequestPacket request)
{
if (request.Headers.ContainsKey("connection") &&
request.Headers["connection"].ToLower().Contains("upgrade") &&
request.Headers.ContainsKey("upgrade") &&
request.Headers["upgrade"].ToLower() == "websocket" &&
request.Headers.ContainsKey("Sec-WebSocket-Version") &&
request.Headers["Sec-WebSocket-Version"] == "13" &&
request.Headers.ContainsKey("Sec-WebSocket-Key"))
//&& Request.Headers.ContainsKey("Sec-WebSocket-Protocol"))
{
return(true);
}
else
{
return(false);
}
}
