1 /**
2 * This file Copyright (c) 2003-2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.security.auth.callback;
35
36 import info.magnolia.cms.security.User;
37
38 import java.io.IOException;
39
40 import javax.security.auth.callback.Callback;
41 import javax.security.auth.callback.CallbackHandler;
42 import javax.security.auth.callback.NameCallback;
43 import javax.security.auth.callback.PasswordCallback;
44 import javax.security.auth.callback.TextOutputCallback;
45 import javax.security.auth.callback.UnsupportedCallbackException;
46
47 import org.slf4j.Logger;
48 import org.slf4j.LoggerFactory;
49
50
51 /**
52 * A JAAS {@link CallbackHandler} using plain text passwords.
53 * @version $Id: CredentialsCallbackHandler.java 41137 2011-01-06 18:19:25Z gjoseph $
54 */
55 public class CredentialsCallbackHandler implements CallbackHandler {
56
57 protected static Logger log = LoggerFactory.getLogger(CredentialsCallbackHandler.class);
58
59 protected String name;
60
61 protected char[] pswd;
62
63 /**
64 * The realm to which we login.
65 */
66 protected String realm;
67
68 protected User user;
69
70 /**
71 * Default constructor required by java security framework.
72 */
73 public CredentialsCallbackHandler() {
74 // do not instanciate with this constructor
75 }
76
77 public CredentialsCallbackHandler(String name, char[] pswd) {
78 this.name = name;
79 this.pswd = pswd;
80 }
81
82 public CredentialsCallbackHandler(String name, char[] pswd, String realm) {
83 this(name, pswd);
84 this.realm = realm;
85 }
86
87 /**
88 * Handle name and password callbacks called during the JAAS login processing.
89 */
90 public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
91 for (int i = 0; i < callbacks.length; i++) {
92 if (callbacks[i] instanceof NameCallback) {
93 ((NameCallback) callbacks[i]).setName(this.name);
94 }
95 else if (callbacks[i] instanceof PasswordCallback) {
96 ((PasswordCallback) callbacks[i]).setPassword(this.pswd);
97 }
98 else if (callbacks[i] instanceof RealmCallback) {
99 ((RealmCallback) callbacks[i]).setRealm(this.realm);
100 }
101 else if (callbacks[i] instanceof UserCallback) {
102 user = ((UserCallback) callbacks[i]).getUser();
103 }
104 else if (callbacks[i] instanceof TextOutputCallback) {
105 TextOutputCallback outputCallback = (TextOutputCallback) callbacks[i];
106 switch (outputCallback.getMessageType()) {
107 case TextOutputCallback.INFORMATION:
108 log.info(outputCallback.getMessage());
109 break;
110 case TextOutputCallback.ERROR:
111 log.error(outputCallback.getMessage());
112 break;
113 case TextOutputCallback.WARNING:
114 log.warn(outputCallback.getMessage());
115 break;
116 default:
117 if (log.isDebugEnabled()) {
118 log.debug("Unsupported message type : {}", Integer
119 .toString(outputCallback.getMessageType()));
120 log.debug("Message : {}", outputCallback.getMessage());
121 }
122 }
123 }
124 }
125 }
126
127
128 public User getUser() {
129 return this.user;
130 }
131 }