001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.security;
018
019import java.util.concurrent.CopyOnWriteArrayList;
020
021import org.apache.activemq.broker.Broker;
022import org.apache.activemq.broker.BrokerFilter;
023import org.apache.activemq.broker.ConnectionContext;
024import org.apache.activemq.command.ActiveMQDestination;
025import org.apache.activemq.command.ConnectionInfo;
026
027public abstract class AbstractAuthenticationBroker extends BrokerFilter implements AuthenticationBroker {
028
029    protected final CopyOnWriteArrayList<SecurityContext> securityContexts =
030        new CopyOnWriteArrayList<SecurityContext>();
031
032    public AbstractAuthenticationBroker(Broker next) {
033        super(next);
034    }
035
036    @Override
037    public void removeDestination(ConnectionContext context, ActiveMQDestination destination, long timeout) throws Exception {
038        next.removeDestination(context, destination, timeout);
039
040        for (SecurityContext sc : securityContexts) {
041            sc.getAuthorizedWriteDests().remove(destination);
042        }
043    }
044
045    @Override
046    public void removeConnection(ConnectionContext context, ConnectionInfo info, Throwable error) throws Exception {
047        super.removeConnection(context, info, error);
048        if (securityContexts.remove(context.getSecurityContext())) {
049            context.setSecurityContext(null);
050        }
051    }
052
053    public void refresh() {
054        for (SecurityContext sc : securityContexts) {
055            sc.getAuthorizedWriteDests().clear();
056        }
057    }
058}