| /* |
| * |
| * 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.security.access.plugins; |
| |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.io.File; |
| |
| import javax.security.auth.Subject; |
| |
| import org.apache.commons.configuration.ConfigurationException; |
| import org.apache.commons.lang.ObjectUtils; |
| import org.apache.log4j.Logger; |
| import org.apache.qpid.server.security.Result; |
| import org.apache.qpid.server.security.SecurityManager; |
| import org.apache.qpid.server.security.AccessControl; |
| import org.apache.qpid.server.security.access.ObjectProperties; |
| import org.apache.qpid.server.security.access.ObjectType; |
| import org.apache.qpid.server.security.access.Operation; |
| import org.apache.qpid.server.security.access.config.ConfigurationFile; |
| import org.apache.qpid.server.security.access.config.PlainConfiguration; |
| import org.apache.qpid.server.security.access.config.RuleSet; |
| |
| public class DefaultAccessControl implements AccessControl |
| { |
| private static final Logger _logger = Logger.getLogger(DefaultAccessControl.class); |
| |
| private RuleSet _ruleSet; |
| |
| public DefaultAccessControl(String fileName) |
| { |
| if (_logger.isDebugEnabled()) |
| { |
| _logger.debug("Creating AccessControl instance using file: " + fileName); |
| } |
| File aclFile = new File(fileName); |
| |
| ConfigurationFile configFile = new PlainConfiguration(aclFile); |
| _ruleSet = configFile.load(); |
| } |
| |
| DefaultAccessControl(RuleSet rs) throws ConfigurationException |
| { |
| _ruleSet = rs; |
| } |
| |
| public Result getDefault() |
| { |
| return _ruleSet.getDefault(); |
| } |
| |
| /** |
| * Object instance access authorisation. |
| * |
| * Delegate to the {@link #authorise(Operation, ObjectType, ObjectProperties)} method, with |
| * the operation set to ACCESS and no object properties. |
| */ |
| public Result access(ObjectType objectType, Object inetSocketAddress) |
| { |
| InetAddress addressOfClient = null; |
| |
| if(inetSocketAddress != null) |
| { |
| addressOfClient = ((InetSocketAddress) inetSocketAddress).getAddress(); |
| } |
| |
| return authoriseFromAddress(Operation.ACCESS, objectType, ObjectProperties.EMPTY, addressOfClient); |
| } |
| |
| /** |
| * Check if an operation is authorised by asking the configuration object about the access |
| * control rules granted to the current thread's {@link Subject}. If there is no current |
| * user the plugin will abstain. |
| */ |
| public Result authorise(Operation operation, ObjectType objectType, ObjectProperties properties) |
| { |
| return authoriseFromAddress(operation, objectType, properties, null); |
| } |
| |
| public Result authoriseFromAddress(Operation operation, ObjectType objectType, ObjectProperties properties, InetAddress addressOfClient) |
| { |
| final Subject subject = SecurityManager.getThreadSubject(); |
| // Abstain if there is no subject/principal associated with this thread |
| if (subject == null || subject.getPrincipals().size() == 0) |
| { |
| return Result.ABSTAIN; |
| } |
| |
| if(_logger.isDebugEnabled()) |
| { |
| _logger.debug("Checking " + operation + " " + objectType + " " + ObjectUtils.defaultIfNull(addressOfClient, "")); |
| } |
| |
| try |
| { |
| return _ruleSet.check(subject, operation, objectType, properties, addressOfClient); |
| } |
| catch(Exception e) |
| { |
| _logger.error("Unable to check " + operation + " " + objectType + " " + ObjectUtils.defaultIfNull(addressOfClient, ""), e); |
| return Result.DENIED; |
| } |
| } |
| } |