01: /*
02: JSPWiki - a JSP-based WikiWiki clone.
03:
04: Copyright (C) 2001-2002 Janne Jalkanen (Janne.Jalkanen@iki.fi)
05:
06: This program is free software; you can redistribute it and/or modify
07: it under the terms of the GNU Lesser General Public License as published by
08: the Free Software Foundation; either version 2.1 of the License, or
09: (at your option) any later version.
10:
11: This program is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU Lesser General Public License for more details.
15:
16: You should have received a copy of the GNU Lesser General Public License
17: along with this program; if not, write to the Free Software
18: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: */
20: package com.ecyrd.jspwiki.auth.login;
21:
22: import java.io.IOException;
23:
24: import javax.security.auth.callback.Callback;
25: import javax.security.auth.callback.CallbackHandler;
26: import javax.security.auth.callback.NameCallback;
27: import javax.security.auth.callback.PasswordCallback;
28: import javax.security.auth.callback.UnsupportedCallbackException;
29:
30: import com.ecyrd.jspwiki.auth.user.UserDatabase;
31:
32: /**
33: * Handles logins made from inside the wiki application, rather than via the web
34: * container. This handler is instantiated in
35: * {@link com.ecyrd.jspwiki.auth.AuthenticationManager#login(WikiSession, String, String)}.
36: * If container-managed authentication is used, the
37: * {@link WebContainerCallbackHandler}is used instead. This callback handler is
38: * designed to be used with {@link UserDatabaseLoginModule}.
39: * @author Andrew Jaquith
40: * @since 2.3
41: */
42: public class WikiCallbackHandler implements CallbackHandler {
43: private final UserDatabase m_database;
44:
45: private final String m_password;
46:
47: private final String m_username;
48:
49: public WikiCallbackHandler(UserDatabase database, String username,
50: String password) {
51: m_database = database;
52: m_username = username;
53: m_password = password;
54: }
55:
56: /**
57: * @see javax.security.auth.callback.CallbackHandler#handle(javax.security.auth.callback.Callback[])
58: */
59: public void handle(Callback[] callbacks) throws IOException,
60: UnsupportedCallbackException {
61: for (int i = 0; i < callbacks.length; i++) {
62: Callback callback = callbacks[i];
63: if (callback instanceof UserDatabaseCallback) {
64: ((UserDatabaseCallback) callback)
65: .setUserDatabase(m_database);
66: } else if (callback instanceof NameCallback) {
67: ((NameCallback) callback).setName(m_username);
68: } else if (callback instanceof PasswordCallback) {
69: ((PasswordCallback) callback).setPassword(m_password
70: .toCharArray());
71: } else {
72: throw new UnsupportedCallbackException(callback);
73: }
74: }
75: }
76: }
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