1/*
2 * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24import java.util.*;
25import java.io.IOException;
26import javax.security.auth.*;
27import javax.security.auth.callback.*;
28import javax.security.auth.login.*;
29import javax.security.auth.spi.*;
30
31public class DefaultHandlerModule implements LoginModule {
32
33    // initial state
34    private Subject subject;
35    private CallbackHandler callbackHandler;
36    private Map sharedState;
37    private Map options;
38
39    // username and password
40    private String username;
41    private char[] password;
42
43    public void initialize(Subject subject, CallbackHandler callbackHandler,
44                        Map<String,?> sharedState, Map<String,?> options) {
45
46        this.subject = subject;
47        this.callbackHandler = callbackHandler;
48        this.sharedState = sharedState;
49        this.options = options;
50    }
51
52    public boolean login() throws LoginException {
53
54        // prompt for a username and password
55        if (callbackHandler == null) {
56            throw new LoginException("Error: no CallbackHandler available " +
57                        "to garner authentication information from the user");
58        } else {
59            System.out.println("DefaultHandlerModule got CallbackHandler: " +
60                        callbackHandler.toString());
61        }
62
63        return true;
64    }
65
66    public boolean commit() throws LoginException {
67        return true;
68    }
69
70    public boolean abort() throws LoginException {
71        return true;
72    }
73
74    public boolean logout() throws LoginException {
75        return true;
76    }
77}
78