/*
*
* 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.logging.actors;
import java.security.AccessController;
import javax.security.auth.Subject;
import org.apache.qpid.server.logging.RootMessageLogger;
import org.apache.qpid.server.security.auth.AuthenticatedPrincipal;
public abstract class AbstractManagementActor extends AbstractActor
{
/**
* Holds the principal name to display when principal subject is not available.
* <p>
* This is useful for cases when users invoke JMX operation over JConsole
* attached to the local JVM.
*/
protected static final String UNKNOWN_PRINCIPAL = "N/A";
/** used when the principal name cannot be discovered from the Subject */
private final String _fallbackPrincipalName;
public AbstractManagementActor(RootMessageLogger rootLogger, String fallbackPrincipalName)
{
super(rootLogger);
_fallbackPrincipalName = fallbackPrincipalName;
}
/**
* Returns current {@link AuthenticatedPrincipal} name or {@link #_fallbackPrincipalName}
* if it can't be found.
*/
protected String getPrincipalName()
{
String identity = _fallbackPrincipalName;
final Subject subject = Subject.getSubject(AccessController.getContext());
if (subject != null)
{
AuthenticatedPrincipal authenticatedPrincipal = AuthenticatedPrincipal.getOptionalAuthenticatedPrincipalFromSubject(subject);
if(authenticatedPrincipal != null)
{
identity = authenticatedPrincipal.getName();
}
}
return identity;
}
}