JaasAuthenticationPlugin


1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one or more
4    * contributor license agreements.  See the NOTICE file distributed with
5    * this work for additional information regarding copyright ownership.
6    * The ASF licenses this file to You under the Apache License, Version 2.0
7    * (the "License"); you may not use this file except in compliance with
8    * the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.activemq.security;
19  
20  import org.apache.activemq.broker.Broker;
21  import org.apache.activemq.broker.BrokerPlugin;
22  
23  import java.net.URL  ;
24  
25  /**
26   * Adds a JAAS based authentication security plugin
27   * 
28   * @org.apache.xbean.XBean description="Provides a JAAS based authentication plugin"
29   * 
30   * @version $Revision: 447607 $
31   */
32  public class JaasAuthenticationPlugin implements BrokerPlugin {
33      protected String   configuration = "activemq-domain";
34      protected boolean discoverLoginConfig = true;
35  
36      public Broker installPlugin(Broker broker) {
37          initialiseJaas();
38          return new JaasAuthenticationBroker(broker, configuration);
39      }
40  
41  
42      // Properties
43      // -------------------------------------------------------------------------
44      public String   getConfiguration() {
45          return configuration;
46      }
47  
48      /**
49       * Sets the JAAS configuration domain name used
50       */
51      public void setConfiguration(String   jaasConfiguration) {
52          this.configuration = jaasConfiguration;
53      }
54  
55  
56      public boolean isDiscoverLoginConfig() {
57          return discoverLoginConfig;
58      }
59  
60      /**
61       * Enables or disables the auto-discovery of the login.config file for JAAS to initialize itself. 
62       * This flag is enabled by default such that if the <b>java.security.auth.login.config</b> system property
63       * is not defined then it is set to the location of the <b>login.config</b> file on the classpath.
64       */
65      public void setDiscoverLoginConfig(boolean discoverLoginConfig) {
66          this.discoverLoginConfig = discoverLoginConfig;
67      }
68  
69      // Implementation methods
70      // -------------------------------------------------------------------------
71      protected void initialiseJaas() {
72          if (discoverLoginConfig) {
73              String   path = System.getProperty("java.security.auth.login.config");
74              if (path == null) {
75                  //URL resource = Thread.currentThread().getContextClassLoader().getResource("login.config");
76                  URL   resource = null;
77                  if (resource == null) {
78                      resource = getClass().getClassLoader().getResource("login.config");
79                  }
80                  if (resource != null) {
81                      path = resource.getFile();
82                      System.setProperty("java.security.auth.login.config", path);
83                  }
84              }
85          }
86      }
87  }
88
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