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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.jaas.spi;
20  
21  import java.sql.Connection;
22  import java.util.Map;
23  
24  import javax.naming.InitialContext;
25  import javax.naming.NamingException;
26  import javax.security.auth.Subject;
27  import javax.security.auth.callback.CallbackHandler;
28  import javax.sql.DataSource;
29  
30  /**
31   * DataSourceLoginModule
32   *
33   * A LoginModule that uses a DataSource to retrieve user authentication
34   * and authorisation information.
35   *
36   * @see JDBCLoginModule
37   */
38  public class DataSourceLoginModule extends AbstractDatabaseLoginModule
39  {
40  
41      private String dbJNDIName;
42      private DataSource dataSource;
43  
44      /* ------------------------------------------------ */
45      /** Init LoginModule.
46       * Called once by JAAS after new instance created.
47       * @param subject
48       * @param callbackHandler
49       * @param sharedState
50       * @param options
51       */
52      public void initialize(Subject subject,
53                             CallbackHandler callbackHandler,
54                             Map<String,?> sharedState,
55                             Map<String,?> options)
56      {
57          try
58          {
59              super.initialize(subject, callbackHandler, sharedState, options);
60  
61              //get the datasource jndi name
62              dbJNDIName = (String)options.get("dbJNDIName");
63  
64              InitialContext ic = new InitialContext();
65              dataSource = (DataSource)ic.lookup("java:comp/env/"+dbJNDIName);
66          }
67          catch (NamingException e)
68          {
69              throw new IllegalStateException (e.toString());
70          }
71      }
72  
73  
74      /**
75       * Get a connection from the DataSource
76       * @see AbstractDatabaseLoginModule#getConnection()
77       * @return the connection for the datasource
78       * @throws Exception
79       */
80      public Connection getConnection ()
81      throws Exception
82      {
83          return dataSource.getConnection();
84      }
85  
86  
87  
88  
89  
90  }