1 // ========================================================================
2 // Copyright (c) 2002-2009 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13
14 package org.eclipse.jetty.plus.jaas.spi;
15
16 import java.sql.Connection;
17 import java.sql.DriverManager;
18 import java.util.Map;
19
20 import javax.security.auth.Subject;
21 import javax.security.auth.callback.CallbackHandler;
22
23 import org.eclipse.jetty.util.Loader;
24 import org.eclipse.jetty.util.log.Log;
25
26
27
28 /* ---------------------------------------------------- */
29 /** JDBCLoginModule
30 * <p>JAAS LoginModule to retrieve user information from
31 * a database and authenticate the user.
32 *
33 * <p><h4>Notes</h4>
34 * <p>This version uses plain old JDBC connections NOT
35 * Datasources.
36 *
37 * <p><h4>Usage</h4>
38 * <pre>
39 * </pre>
40 *
41 * @version 1.0 Tue Apr 15 2003
42 */
43 public class JDBCLoginModule extends AbstractDatabaseLoginModule
44 {
45 private String dbDriver;
46 private String dbUrl;
47 private String dbUserName;
48 private String dbPassword;
49
50
51 /**
52 * Get a connection from the DriverManager
53 * @see AbstractDatabaseLoginModule#getConnection()
54 * @return the connection for this datasource
55 * @throws Exception
56 */
57 public Connection getConnection ()
58 throws Exception
59 {
60 if (!((dbDriver != null)
61 &&
62 (dbUrl != null)))
63 throw new IllegalStateException ("Database connection information not configured");
64
65 if(Log.isDebugEnabled())Log.debug("Connecting using dbDriver="+dbDriver+"+ dbUserName="+dbUserName+", dbPassword="+dbUrl);
66
67 return DriverManager.getConnection (dbUrl,
68 dbUserName,
69 dbPassword);
70 }
71
72
73
74 /* ------------------------------------------------ */
75 /** Init LoginModule.
76 * Called once by JAAS after new instance created.
77 * @param subject
78 * @param callbackHandler
79 * @param sharedState
80 * @param options
81 */
82 public void initialize(Subject subject,
83 CallbackHandler callbackHandler,
84 Map sharedState,
85 Map options)
86 {
87 try
88 {
89 super.initialize(subject, callbackHandler, sharedState, options);
90
91 //get the jdbc username/password, jdbc url out of the options
92 dbDriver = (String)options.get("dbDriver");
93 dbUrl = (String)options.get("dbUrl");
94 dbUserName = (String)options.get("dbUserName");
95 dbPassword = (String)options.get("dbPassword");
96
97 if (dbUserName == null)
98 dbUserName = "";
99
100 if (dbPassword == null)
101 dbPassword = "";
102
103 if (dbDriver != null)
104 Loader.loadClass(this.getClass(), dbDriver).newInstance();
105 }
106 catch (ClassNotFoundException e)
107 {
108 throw new IllegalStateException (e.toString());
109 }
110 catch (InstantiationException e)
111 {
112 throw new IllegalStateException (e.toString());
113 }
114 catch (IllegalAccessException e)
115 {
116 throw new IllegalStateException (e.toString());
117 }
118 }
119 }