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Java > Open Source Codes > net > jforum > sso > DefaultLoginAuthenticator


1 /*
2  * Copyright (c) Rafael Steil
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms,
6  * with or without modification, are permitted provided
7  * that the following conditions are met:
8  *
9  * 1) Redistributions of source code must retain the above
10  * copyright notice, this list of conditions and the
11  * following disclaimer.
12  * 2) Redistributions in binary form must reproduce the
13  * above copyright notice, this list of conditions and
14  * the following disclaimer in the documentation and/or
15  * other materials provided with the distribution.
16  * 3) Neither the name of "Rafael Steil" nor
17  * the names of its contributors may be used to endorse
18  * or promote products derived from this software without
19  * specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
22  * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
23  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
27  * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
32  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
34  * IN CONTRACT, STRICT LIABILITY, OR TORT
35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
36  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
37  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
38  *
39  * Created on Jan 3, 2005 1:20:24 PM
40  * The JForum Project
41  * http://www.jforum.net
42  */
43 package net.jforum.sso;
44
45 import java.sql.PreparedStatement JavaDoc;
46 import java.sql.ResultSet JavaDoc;
47 import java.util.Map JavaDoc;
48
49 import net.jforum.JForumExecutionContext;
50 import net.jforum.dao.UserDAO;
51 import net.jforum.entities.User;
52 import net.jforum.util.MD5;
53 import net.jforum.util.preferences.SystemGlobals;
54
55 /**
56  * Default login authenticator for JForum.
57  * This authenticator will validate the input against
58  * <i>jforum_users</i>.
59  *
60  * @author Rafael Steil
61  * @version $Id: DefaultLoginAuthenticator.java,v 1.5 2006/01/29 15:07:17 rafaelsteil Exp $
62  */
63 public class DefaultLoginAuthenticator implements LoginAuthenticator
64 {
65     private UserDAO userModel;
66
67     /**
68      * @see net.jforum.sso.LoginAuthenticator#setUserModel(net.jforum.dao.UserDAO)
69      */
70     public void setUserModel(UserDAO userModel)
71     {
72         this.userModel = userModel;
73     }
74
75     /**
76      * @see net.jforum.sso.LoginAuthenticator#validateLogin(java.lang.String, java.lang.String, Object[])
77      */
78     public User validateLogin(String JavaDoc username, String JavaDoc password, Map JavaDoc extraParams) throws Exception JavaDoc
79     {
80         PreparedStatement JavaDoc p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("UserModel.login"));
81         p.setString(1, username);
82         p.setString(2, MD5.crypt(password));
83         
84         User user = null;
85         
86         ResultSet JavaDoc rs = p.executeQuery();
87         if (rs.next() && rs.getInt("user_id") > 0) {
88             user = this.userModel.selectById(rs.getInt("user_id"));
89         }
90
91         rs.close();
92         p.close();
93         
94         if (user != null && !user.isDeleted() && (user.getActivationKey() == null || user.isActive())) {
95             return user;
96         }
97         
98         return null;
99     }
100 }
101
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