1 /*
2 * Copyright (c) 2006 The University of Reading
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University of Reading, nor the names of the
14 * authors or contributors may be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 package uk.ac.rdg.resc.jstyx.server;
30
31 import uk.ac.rdg.resc.jstyx.StyxException;
32
33 /***
34 * StyxFile that is used to exchange authentication information. Clients must
35 * write their password into this file.
36 *
37 * @author Jon Blower
38 * $Revision: 601 $
39 * $Date: 2006-03-20 17:51:50 +0000 (Mon, 20 Mar 2006) $
40 * $Log$
41 * Revision 1.1 2006/03/20 17:51:50 jonblower
42 * Adding authentication to base JStyx system
43 *
44 */
45 public class AuthFile extends InMemoryFile
46 {
47 private StyxSecurityContext securityContext;
48 private User user;
49
50 /***
51 * Creates a new instance of AuthFile
52 * @param securityContext The security context for this connection
53 * @param username The name of the user (as claimed by the user)
54 * @throws StyxSecurityException if the user could not be identified or
55 * if there was an error reading from the security context information
56 */
57 public AuthFile(StyxSecurityContext securityContext, String username)
58 throws StyxException
59 {
60 super("auth", "nobody", "nobody", 0666, false, false);
61 this.auth = true;
62 this.securityContext = securityContext;
63 this.user = this.securityContext.getUser(username);
64 }
65
66 /***
67 * @return true if the user with the given name has successfully authenticated
68 */
69 public boolean isAuthenticated(String username)
70 {
71 if (this.user.getUsername().trim().equals(username) &&
72 this.user.passwordMatches(this.getContents()))
73 {
74 return true;
75 }
76 return false;
77 }
78
79 /***
80 * @return the User that this AuthFile belongs to
81 */
82 public User getUser()
83 {
84 return this.user;
85 }
86
87 }