1 //
2 // ========================================================================
3 // Copyright (c) 1995-2016 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.sql.DriverManager;
23 import java.util.Map;
24
25 import javax.security.auth.Subject;
26 import javax.security.auth.callback.CallbackHandler;
27
28 import org.eclipse.jetty.util.Loader;
29 import org.eclipse.jetty.util.log.Log;
30 import org.eclipse.jetty.util.log.Logger;
31
32 /**
33 * JDBCLoginModule
34 * <p>
35 * JAAS LoginModule to retrieve user information from
36 * a database and authenticate the user.
37 * <h1>Notes</h1>
38 * <p>This version uses plain old JDBC connections NOT
39 * Datasources.
40 */
41 public class JDBCLoginModule extends AbstractDatabaseLoginModule
42 {
43 private static final Logger LOG = Log.getLogger(JDBCLoginModule.class);
44
45 private String dbDriver;
46 private String dbUrl;
47 private String dbUserName;
48 private String dbPassword;
49
50 /**
51 * Get a connection from the DriverManager
52 * @see AbstractDatabaseLoginModule#getConnection()
53 * @return the connection for this datasource
54 * @throws Exception if unable to get the connection
55 */
56 public Connection getConnection ()
57 throws Exception
58 {
59 if (!((dbDriver != null)
60 &&
61 (dbUrl != null)))
62 throw new IllegalStateException ("Database connection information not configured");
63
64 if(LOG.isDebugEnabled())LOG.debug("Connecting using dbDriver="+dbDriver+"+ dbUserName="+dbUserName+", dbPassword="+dbUrl);
65
66 return DriverManager.getConnection (dbUrl,
67 dbUserName,
68 dbPassword);
69 }
70
71
72
73 /* ------------------------------------------------ */
74 /**
75 * Init LoginModule.
76 * <p>
77 * Called once by JAAS after new instance created.
78 *
79 * @param subject the subject
80 * @param callbackHandler the callback handler
81 * @param sharedState the shared state map
82 * @param options the options map
83 */
84 public void initialize(Subject subject,
85 CallbackHandler callbackHandler,
86 Map<String,?> sharedState,
87 Map<String,?> options)
88 {
89 try
90 {
91 super.initialize(subject, callbackHandler, sharedState, options);
92
93 //get the jdbc username/password, jdbc url out of the options
94 dbDriver = (String)options.get("dbDriver");
95 dbUrl = (String)options.get("dbUrl");
96 dbUserName = (String)options.get("dbUserName");
97 dbPassword = (String)options.get("dbPassword");
98
99 if (dbUserName == null)
100 dbUserName = "";
101
102 if (dbPassword == null)
103 dbPassword = "";
104
105 if (dbDriver != null)
106 Loader.loadClass(this.getClass(), dbDriver).newInstance();
107 }
108 catch (ClassNotFoundException e)
109 {
110 throw new IllegalStateException (e.toString());
111 }
112 catch (InstantiationException e)
113 {
114 throw new IllegalStateException (e.toString());
115 }
116 catch (IllegalAccessException e)
117 {
118 throw new IllegalStateException (e.toString());
119 }
120 }
121 }