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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
using Apache.Qpid.Client.Protocol;
using Apache.Qpid.Client.State;
using Apache.Qpid.Framing;
using Apache.Qpid.Sasl;
namespace Apache.Qpid.Client.Handler
{
public class ConnectionSecureMethodHandler : IStateAwareMethodListener
{
public void MethodReceived(AMQStateManager stateManager, AMQMethodEvent evt)
{
ISaslClient saslClient = evt.ProtocolSession.SaslClient;
if ( saslClient == null )
{
throw new AMQException("No SASL client set up - cannot proceed with authentication");
}
ConnectionSecureBody body = (ConnectionSecureBody)evt.Method;
try
{
// Evaluate server challenge
byte[] response = saslClient.EvaluateChallenge(body.Challenge);
// AMQP version change: Hardwire the version to 0-8 (major=8, minor=0)
// TODO: Connect this to the session version obtained from ProtocolInitiation for this session.
// Be aware of possible changes to parameter order as versions change.
AMQFrame responseFrame = ConnectionSecureOkBody.CreateAMQFrame(
evt.ChannelId, response);
evt.ProtocolSession.WriteFrame(responseFrame);
} catch ( SaslException e )
{
throw new AMQException("Error processing SASL challenge: " + e, e);
}
}
}
}
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