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.Set; 020 021import org.apache.activemq.broker.ConnectionContext; 022import org.apache.activemq.broker.region.Destination; 023import org.apache.activemq.broker.region.DestinationFilter; 024import org.apache.activemq.broker.region.Subscription; 025import org.apache.activemq.command.ActiveMQDestination; 026 027/** 028 * Authorizes addSubscription calls. 029 */ 030public class AuthorizationDestinationFilter extends DestinationFilter { 031 032 private final AuthorizationBroker broker; 033 034 public AuthorizationDestinationFilter(Destination destination, AuthorizationBroker broker) { 035 super(destination); 036 this.broker = broker; 037 } 038 039 @Override 040 public void addSubscription(ConnectionContext context, Subscription sub) throws Exception { 041 // authorize subscription 042 final SecurityContext securityContext = broker.checkSecurityContext(context); 043 044 final AuthorizationMap authorizationMap = broker.getAuthorizationMap(); 045 // use the destination being filtered, instead of the destination from the consumerinfo in the subscription 046 // since that could be a wildcard destination 047 final ActiveMQDestination destination = next.getActiveMQDestination(); 048 049 Set<?> allowedACLs; 050 if (!destination.isTemporary()) { 051 allowedACLs = authorizationMap.getReadACLs(destination); 052 } else { 053 allowedACLs = authorizationMap.getTempDestinationReadACLs(); 054 } 055 056 if (!securityContext.isBrokerContext() && allowedACLs != null && !securityContext.isInOneOf(allowedACLs) ) { 057 throw new SecurityException("User " + securityContext.getUserName() + " is not authorized to read from: " + destination); 058 } 059 060 super.addSubscription(context, sub); 061 } 062 063}