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Java > Open Source Codes > com > sun > enterprise > security > auth > login > JDBCLoginModule


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.enterprise.security.auth.login;
25
26 import java.util.logging.Level JavaDoc;
27
28 import com.sun.enterprise.security.LoginException;
29 import com.sun.enterprise.security.auth.login.PasswordLoginModule;
30 import com.sun.enterprise.security.auth.realm.jdbc.JDBCRealm;
31
32
33 /**
34  * This class implement a JDBC Login module for Glassfish. The work is derivated from Sun's sample JDBC login module.
35  * Enhancement has been done to use latest features.
36  * sample setting in server.xml for JDBCLoginModule
37  * @author Jean-Baptiste Bugeaud
38  */
39 public class JDBCLoginModule extends PasswordLoginModule {
40     /**
41      * Perform JDBC authentication. Delegates to JDBCRealm.
42      *
43      * @throws LoginException If login fails (JAAS login() behavior).
44      */
45     protected void authenticate() throws LoginException {
46         if (!(_currentRealm instanceof JDBCRealm)) {
47             String JavaDoc msg = sm.getString("jdbclm.badrealm");
48             throw new LoginException(msg);
49         }
50         
51         final JDBCRealm jdbcRealm = (JDBCRealm)_currentRealm;
52
53         // A JDBC user must have a name not null and non-empty.
54 if ( (_username == null) || (_username.length() == 0) ) {
55             String JavaDoc msg = sm.getString("jdbclm.nulluser");
56             throw new LoginException(msg);
57         }
58         
59         String JavaDoc[] grpList = jdbcRealm.authenticate(_username, _password);
60
61         if (grpList == null) { // JAAS behavior
62 String JavaDoc msg = sm.getString("jdbclm.loginfail", _username);
63             throw new LoginException(msg);
64         }
65
66         if (_logger.isLoggable(Level.FINEST)) {
67             _logger.finest("JDBC login succeeded for: " + _username
68                 + " groups:" + grpList);
69         }
70
71         //make a copy of groupList to pass to LoginModule. This copy is the one
72 // that will be made null there. DO NOT PASS the grpList as is - as
73 // it will get overwritten. Resulting in logins passing only once.
74 final String JavaDoc[] groupListToForward = new String JavaDoc[grpList.length];
75         System.arraycopy(grpList, 0, groupListToForward, 0, grpList.length);
76
77         commitAuthentication(_username, _password,
78                              _currentRealm, groupListToForward);
79     }
80 }
81
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