public WSHandshakeParser(byte[] buffer)
{
this.version = WSHandhsakeVersions.GetVersion(ref buffer);
IWSHandshake parser = WSHandhsakeVersions.Get(this.version);
if (parser != null)
{
this.info = parser.Parse(ref buffer);
}
else
{
Log.Add("handshake data: " + this.data);
}
}
public HandshakeData Parse(ref byte[] data)
{
HandshakeData info = new HandshakeData();
try {
string dataString = Encoding.UTF8.GetString(data);
StringBuilder response = new StringBuilder("HTTP/1.1 101 Switching Protocols\r\n");
info.Add("Host", WSHandhsakeVersions.GetValue(ref dataString, "Host"));
info.Add("User-Agent", WSHandhsakeVersions.GetValue(ref dataString, "User-Agent"));
info.Add("Sec-WebSocket-Origin", WSHandhsakeVersions.GetValue(ref dataString, "Sec-WebSocket-Origin"));
string upgrade = WSHandhsakeVersions.GetValue(ref dataString, "Upgrade");
response.Append("Upgrade: ");
response.Append("websocket" /*upgrade*/);
response.Append("\r\n");
info.Add("Upgrade", "websocket" /*upgrade*/);
string connection = WSHandhsakeVersions.GetValue(ref dataString, "Connection");
response.Append("Connection: Upgrade");
response.Append("\r\n");
info.Add("Connection", connection);
string key = WSHandhsakeVersions.GetValue(ref dataString, "Sec-WebSocket-Key");
response.Append("Sec-WebSocket-Accept: ");
response.Append(this.AcceptKey(ref key));
response.Append("\r\n");
info.Add("Sec-WebSocket-Key", key);
response.Append("\r\n");
info.Response = response.ToString();
} catch (Exception ex) {
Log.Add("websocket handshake version 8 Parse exception: " + ex.ToString());
}
return(info);
}
public HandshakeData Parse(ref byte[] data)
{
HandshakeData info = new HandshakeData();
try {
string dataString = Encoding.UTF8.GetString(data);
StringBuilder response = new StringBuilder("HTTP/1.1 101 Switching Protocols\r\n");
string upgrade = WSHandhsakeVersions.GetValue(ref dataString, "Upgrade");
response.Append("Upgrade: ");
response.Append(upgrade);
response.Append("\r\n");
info.Add("Upgrade", upgrade);
string connection = WSHandhsakeVersions.GetValue(ref dataString, "Connection");
response.Append("Connection: Upgrade");
response.Append("\r\n");
info.Add("Connection", connection);
string origin = WSHandhsakeVersions.GetValue(ref dataString, "Origin");
info.Add("Origin", origin);
response.Append("Sec-WebSocket-Origin: ");
response.Append(origin);
response.Append("\r\n");
info.Add("Host", WSHandhsakeVersions.GetValue(ref dataString, "Host"));
response.Append("Sec-WebSocket-Location: ");
response.Append("ws://86.171.240.1:8080/");
response.Append("\r\n");
string key1 = WSHandhsakeVersions.GetKeyValue(ref dataString, "Sec-WebSocket-Key1");
string key2 = WSHandhsakeVersions.GetKeyValue(ref dataString, "Sec-WebSocket-Key2");
if (!string.IsNullOrEmpty(key1) && !string.IsNullOrEmpty(key2))
{
string key1Numbers = Regex.Replace(key1, @"[^\d]", "", RegexOptions.Singleline);
string key2Numbers = Regex.Replace(key2, @"[^\d]", "", RegexOptions.Singleline);
long key1Number, key2Number;
if (long.TryParse(key1Numbers, out key1Number))
{
if (long.TryParse(key2Numbers, out key2Number))
{
int devide1 = Regex.Matches(key1, @"\s", RegexOptions.Singleline).Count;
int devide2 = Regex.Matches(key2, @"\s", RegexOptions.Singleline).Count;
key1Number = key1Number / devide1;
key2Number = key2Number / devide2;
MD5 md5 = MD5CryptoServiceProvider.Create();
byte[] key1Bytes = BitConverter.GetBytes((int)key1Number);
byte[] key2Bytes = BitConverter.GetBytes((int)key2Number);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(key1Bytes);
Array.Reverse(key2Bytes);
}
byte[] rest = data.Skip(data.Length - 8).ToArray();
byte[] resp = key1Bytes.Concat(key2Bytes).Concat(rest).ToArray();
byte[] hashBytes = md5.ComputeHash(resp);
response.Append(Encoding.ASCII.GetString(hashBytes));
}
}
}
info.Response = response.ToString();
} catch (Exception ex) {
Log.Add("websocket handshake version 8 Parse exception: " + ex.ToString());
}
return(info);
}