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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.
*
*/
package org.apache.qpid.server.handler;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.ConnectionCloseBody;
import org.apache.qpid.framing.ConnectionSecureBody;
import org.apache.qpid.framing.ConnectionSecureOkBody;
import org.apache.qpid.framing.ConnectionTuneBody;
import org.apache.qpid.framing.MethodRegistry;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.server.configuration.BrokerProperties;
import org.apache.qpid.server.model.Broker;
import org.apache.qpid.server.protocol.AMQProtocolSession;
import org.apache.qpid.server.security.SubjectCreator;
import org.apache.qpid.server.security.auth.SubjectAuthenticationResult;
import org.apache.qpid.server.state.AMQState;
import org.apache.qpid.server.state.AMQStateManager;
import org.apache.qpid.server.state.StateAwareMethodListener;
import javax.security.sasl.SaslException;
import javax.security.sasl.SaslServer;
public class ConnectionSecureOkMethodHandler implements StateAwareMethodListener<ConnectionSecureOkBody>
{
private static final Logger _logger = Logger.getLogger(ConnectionSecureOkMethodHandler.class);
private static ConnectionSecureOkMethodHandler _instance = new ConnectionSecureOkMethodHandler();
public static ConnectionSecureOkMethodHandler getInstance()
{
return _instance;
}
private ConnectionSecureOkMethodHandler()
{
}
public void methodReceived(AMQStateManager stateManager, ConnectionSecureOkBody body, int channelId) throws AMQException
{
Broker broker = stateManager.getBroker();
AMQProtocolSession session = stateManager.getProtocolSession();
SubjectCreator subjectCreator = stateManager.getSubjectCreator();
SaslServer ss = session.getSaslServer();
if (ss == null)
{
throw new AMQException("No SASL context set up in session");
}
MethodRegistry methodRegistry = session.getMethodRegistry();
SubjectAuthenticationResult authResult = subjectCreator.authenticate(ss, body.getResponse());
switch (authResult.getStatus())
{
case ERROR:
Exception cause = authResult.getCause();
_logger.info("Authentication failed:" + (cause == null ? "" : cause.getMessage()));
// This should be abstracted
stateManager.changeState(AMQState.CONNECTION_CLOSING);
ConnectionCloseBody connectionCloseBody =
methodRegistry.createConnectionCloseBody(AMQConstant.NOT_ALLOWED.getCode(),
AMQConstant.NOT_ALLOWED.getName(),
body.getClazz(),
body.getMethod());
session.writeFrame(connectionCloseBody.generateFrame(0));
disposeSaslServer(session);
break;
case SUCCESS:
if (_logger.isInfoEnabled())
{
_logger.info("Connected as: " + authResult.getSubject());
}
stateManager.changeState(AMQState.CONNECTION_NOT_TUNED);
ConnectionTuneBody tuneBody =
methodRegistry.createConnectionTuneBody((Integer)broker.getAttribute(Broker.SESSION_COUNT_LIMIT),
BrokerProperties.DEFAULT_FRAME_SIZE,
(Integer)broker.getAttribute(Broker.HEART_BEAT_DELAY));
session.writeFrame(tuneBody.generateFrame(0));
session.setAuthorizedSubject(authResult.getSubject());
disposeSaslServer(session);
break;
case CONTINUE:
stateManager.changeState(AMQState.CONNECTION_NOT_AUTH);
ConnectionSecureBody secureBody = methodRegistry.createConnectionSecureBody(authResult.getChallenge());
session.writeFrame(secureBody.generateFrame(0));
}
}
private void disposeSaslServer(AMQProtocolSession ps)
{
SaslServer ss = ps.getSaslServer();
if (ss != null)
{
ps.setSaslServer(null);
try
{
ss.dispose();
}
catch (SaslException e)
{
_logger.error("Error disposing of Sasl server: " + e);
}
}
}
}
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