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Java > Open Source Codes > com > caucho > server > security > NullAuthenticator


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.server.security;
30
31 import com.caucho.security.BasicPrincipal;
32
33 import javax.servlet.ServletContext JavaDoc;
34 import javax.servlet.ServletException JavaDoc;
35 import javax.servlet.http.HttpServletRequest JavaDoc;
36 import javax.servlet.http.HttpServletResponse JavaDoc;
37 import java.security.Principal JavaDoc;
38
39 /**
40  * The null authenticator creates a dummy user.
41  */
42 public class NullAuthenticator extends AbstractAuthenticator {
43   public Principal loginImpl(HttpServletRequest JavaDoc request,
44                              HttpServletResponse JavaDoc response,
45                              ServletContext JavaDoc app,
46                              String JavaDoc user, String JavaDoc password)
47     throws ServletException JavaDoc
48   {
49     return new BasicPrincipal(user);
50   }
51   
52   public Principal getUserPrincipalImpl(HttpServletRequest JavaDoc request,
53                                         ServletContext JavaDoc application)
54     throws ServletException JavaDoc
55   {
56     return null;
57   }
58
59   /**
60    * Returns true if the user plays the named role.
61    *
62    * @param request the servlet request
63    * @param user the user to test
64    * @param role the role to test
65    */
66   public boolean isUserInRole(HttpServletRequest JavaDoc request,
67                               HttpServletResponse JavaDoc response,
68                               ServletContext JavaDoc application,
69                               Principal user, String JavaDoc role)
70     throws ServletException JavaDoc
71   {
72     return user != null && "user".equals(role);
73   }
74 }
75
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