public static AMQPHeader getSASL(IByteBuffer buf)
{
TLVAmqp list = TLVFactory.getTlv(buf);
if (list.Code != AMQPType.LIST_0 && list.Code != AMQPType.LIST_8 && list.Code != AMQPType.LIST_32)
{
throw new MalformedMessageException("Received amqp-header with malformed arguments");
}
AMQPHeader header = null;
Byte byteCode = list.Constructor.getDescriptorCode().Value;
HeaderCodes code = (HeaderCodes)byteCode;
switch (code)
{
case HeaderCodes.CHALLENGE:
header = new SASLChallenge();
break;
case HeaderCodes.INIT:
header = new SASLInit();
break;
case HeaderCodes.MECHANISMS:
header = new SASLMechanisms();
break;
case HeaderCodes.OUTCOME:
header = new SASLOutcome();
break;
case HeaderCodes.RESPONSE:
header = new SASLResponse();
break;
default:
throw new MalformedMessageException("Received sasl-header with unrecognized arguments code");
}
header.fillArguments((TLVList)list);
return(header);
}
public void ProcessSASLMechanism(List <AMQPSymbol> _mechanisms, int channel, int headerType)
{
AMQPSymbol plainMechanism = null;
foreach (AMQPSymbol mechanism in _mechanisms)
{
if (mechanism.Value.ToLower() == "plain")
{
plainMechanism = mechanism;
break;
}
}
//currently supporting only plain
if (plainMechanism == null)
{
_timers.StopAllTimers();
_client.Shutdown();
SetState(ConnectionState.CONNECTION_FAILED);
return;
}
SASLInit saslInit = new SASLInit();
saslInit.HeaderType = headerType;
saslInit.Channel = channel;
saslInit.Mechanism = plainMechanism.Value;
byte[] userBytes = Encoding.UTF8.GetBytes(_username);
byte[] passwordBytes = Encoding.UTF8.GetBytes(_password);
byte[] challenge = new byte[userBytes.Length + 1 + userBytes.Length + 1 + passwordBytes.Length];
Array.Copy(userBytes, 0, challenge, 0, userBytes.Length);
challenge[userBytes.Length] = 0x00;
Array.Copy(userBytes, 0, challenge, userBytes.Length + 1, userBytes.Length);
challenge[userBytes.Length + 1 + userBytes.Length] = 0x00;
Array.Copy(passwordBytes, 0, challenge, userBytes.Length + 1 + userBytes.Length + 1, passwordBytes.Length);
saslInit.InitialResponse = challenge;
_client.Send(saslInit);
}
