1 /**
2 * This file Copyright (c) 2003-2010 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 * Plain text callback handler
53 * @author Sameer Charles
54 * @version $Id: CredentialsCallbackHandler.java 32667 2010-03-13 00:37:06Z gjoseph $
55 */
56 public class CredentialsCallbackHandler implements CallbackHandler {
57
58 /**
59 * Logger
60 */
61 protected static Logger log = LoggerFactory.getLogger(CredentialsCallbackHandler.class);
62
63 /**
64 * user id
65 */
66 protected String name;
67
68 /**
69 * password
70 */
71 protected char[] pswd;
72
73 /**
74 * The realm to which we login
75 */
76 protected String realm;
77
78 protected User user;
79
80 /**
81 * default constructor required by java security framework
82 */
83 public CredentialsCallbackHandler() {
84 // do not instanciate with this constructor
85 }
86
87 public CredentialsCallbackHandler(String name, char[] pswd) {
88 this.name = name;
89 this.pswd = pswd;
90 }
91
92 public CredentialsCallbackHandler(String name, char[] pswd, String realm) {
93 this(name, pswd);
94 this.realm = realm;
95 }
96
97 /**
98 * handle name and password callback which must be set while constructing this handler
99 */
100 public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
101 for (int i = 0; i < callbacks.length; i++) {
102 if (callbacks[i] instanceof NameCallback) {
103 ((NameCallback) callbacks[i]).setName(this.name);
104 }
105 else if (callbacks[i] instanceof PasswordCallback) {
106 ((PasswordCallback) callbacks[i]).setPassword(this.pswd);
107 }
108 else if (callbacks[i] instanceof RealmCallback) {
109 ((RealmCallback) callbacks[i]).setRealm(this.realm);
110 }
111 else if (callbacks[i] instanceof UserCallback) {
112 user = ((UserCallback) callbacks[i]).getUser();
113 }
114 else if (callbacks[i] instanceof TextOutputCallback) {
115 TextOutputCallback outputCallback = (TextOutputCallback) callbacks[i];
116 switch (outputCallback.getMessageType()) {
117 case TextOutputCallback.INFORMATION:
118 log.info(outputCallback.getMessage());
119 break;
120 case TextOutputCallback.ERROR:
121 log.error(outputCallback.getMessage());
122 break;
123 case TextOutputCallback.WARNING:
124 log.warn(outputCallback.getMessage());
125 break;
126 default:
127 if (log.isDebugEnabled()) {
128 log.debug("Unsupported message type : {}", Integer
129 .toString(outputCallback.getMessageType()));
130 log.debug("Message : {}", outputCallback.getMessage());
131 }
132 }
133 }
134 }
135 }
136
137
138 public User getUser() {
139 return this.user;
140 }
141 }