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 */
40 /*
41 * </pre>
42 *
43 * @see
44 * @version 1.0 Tue Apr 15 2003
45 *
46 */
47 public class JDBCLoginModule extends AbstractDatabaseLoginModule
48 {
49 private String dbDriver;
50 private String dbUrl;
51 private String dbUserName;
52 private String dbPassword;
53
54
55
56
57
58
59 /**
60 * Get a connection from the DriverManager
61 * @see org.eclipse.jetty.server.server.plus.jaas.spi.AbstractDatabaseLoginModule#getConnection()
62 * @return
63 * @throws Exception
64 */
65 public Connection getConnection ()
66 throws Exception
67 {
68 if (!((dbDriver != null)
69 &&
70 (dbUrl != null)))
71 throw new IllegalStateException ("Database connection information not configured");
72
73 if(Log.isDebugEnabled())Log.debug("Connecting using dbDriver="+dbDriver+"+ dbUserName="+dbUserName+", dbPassword="+dbUrl);
74
75 return DriverManager.getConnection (dbUrl,
76 dbUserName,
77 dbPassword);
78 }
79
80
81
82 /* ------------------------------------------------ */
83 /** Init LoginModule.
84 * Called once by JAAS after new instance created.
85 * @param subject
86 * @param callbackHandler
87 * @param sharedState
88 * @param options
89 */
90 public void initialize(Subject subject,
91 CallbackHandler callbackHandler,
92 Map sharedState,
93 Map options)
94 {
95 try
96 {
97 super.initialize(subject, callbackHandler, sharedState, options);
98
99 //get the jdbc username/password, jdbc url out of the options
100 dbDriver = (String)options.get("dbDriver");
101 dbUrl = (String)options.get("dbUrl");
102 dbUserName = (String)options.get("dbUserName");
103 dbPassword = (String)options.get("dbPassword");
104
105 if (dbUserName == null)
106 dbUserName = "";
107
108 if (dbPassword == null)
109 dbPassword = "";
110
111 if (dbDriver != null)
112 Loader.loadClass(this.getClass(), dbDriver).newInstance();
113 }
114 catch (ClassNotFoundException e)
115 {
116 throw new IllegalStateException (e.toString());
117 }
118 catch (InstantiationException e)
119 {
120 throw new IllegalStateException (e.toString());
121 }
122 catch (IllegalAccessException e)
123 {
124 throw new IllegalStateException (e.toString());
125 }
126 }
127 }