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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.management.plugin.session;
import java.security.Principal;
import java.security.PrivilegedAction;
import javax.security.auth.Subject;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.http.HttpSessionBindingListener;
import org.apache.log4j.Logger;
import org.apache.qpid.server.logging.LogActor;
import org.apache.qpid.server.logging.messages.ManagementConsoleMessages;
import org.apache.qpid.server.security.auth.AuthenticatedPrincipal;
/**
* Logs {@link ManagementConsoleMessages#OPEN(String)} and {@link ManagementConsoleMessages#CLOSE(String)}
* messages. A single instance of this class must be placed in the {@link HttpSession} immediately after
* the user has successfully logged-in, and removed (or the whole session invalidated) as the user logs out.
*/
public class LoginLogoutReporter implements HttpSessionBindingListener
{
private static final Logger LOGGER = Logger.getLogger(LoginLogoutReporter.class);
private final LogActor _logActor;
private final Subject _subject;
private final Principal _principal;
public LoginLogoutReporter(LogActor logActor, Subject subject)
{
super();
_logActor = logActor;
_subject = subject;
_principal = AuthenticatedPrincipal.getAuthenticatedPrincipalFromSubject(_subject);
}
@Override
public void valueBound(HttpSessionBindingEvent arg0)
{
reportLogin();
}
@Override
public void valueUnbound(HttpSessionBindingEvent arg0)
{
reportLogout();
}
private void reportLogin()
{
if (LOGGER.isDebugEnabled())
{
LOGGER.debug("User logging in : " + _principal);
}
Subject.doAs(_subject, new PrivilegedAction<Void>()
{
@Override
public Void run()
{
_logActor.message(ManagementConsoleMessages.OPEN(_principal.getName()));
return null;
}
});
}
private void reportLogout()
{
if (LOGGER.isDebugEnabled())
{
LOGGER.debug("User logging out : " + _principal);
}
Subject.doAs(_subject, new PrivilegedAction<Void>()
{
@Override
public Void run()
{
_logActor.message(ManagementConsoleMessages.CLOSE(_principal.getName()));
return null;
}
});
}
}
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