1 /*
2 jGuard is a security framework based on top of jaas (java authentication and authorization security).
3 it is written for web applications, to resolve simply, access control problems.
4 version $Name$
5 http://sourceforge.net/projects/jguard/
6
7 Copyright (C) 2004 Charles GAY
8
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 2.1 of the License, or (at your option) any later version.
13
14 This library 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. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public
20 License along with this library; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22
23
24 jGuard project home page:
25 http://sourceforge.net/projects/jguard/
26
27 */
28 package net.sf.jguard.jee.authentication.http;
29
30 import javax.servlet.http.HttpServletRequest;
31 import javax.servlet.http.HttpServletRequestWrapper;
32
33 import net.sf.jguard.core.CoreConstants;
34 import net.sf.jguard.ext.authentication.callbacks.CallbackHandlerUtils;
35
36 /**
37 * wrap the ServletRequest object to 'decorate' it to
38 * anonymize the user by hiding some request parameters and identifying as GUEST.
39 * @author <a href="mailto:diabolo512@users.sourceforge.net">Charles Gay</a>
40 *
41 */
42 public class AnonymizerRequestWrapper extends HttpServletRequestWrapper {
43 private HttpServletRequest req;
44 private String loginField="login";
45 private String passwordField="password";
46
47 public AnonymizerRequestWrapper(HttpServletRequest req) {
48 super(req);
49 this.req = req;
50 }
51
52 public AnonymizerRequestWrapper(HttpServletRequest req,String loginField,String passwordField) {
53 super(req);
54 this.loginField = loginField;
55 this.passwordField = passwordField;
56 }
57
58 public String getParameter(String parameterName){
59
60 if(loginField.equals(parameterName)||passwordField.equals(parameterName)){
61 return CoreConstants.GUEST;
62 }else{
63 return req.getParameter(parameterName);
64 }
65 }
66
67 public String getHeader(String headerName){
68
69 if(CoreConstants.AUTHORIZATION.equalsIgnoreCase(headerName)){
70 return CallbackHandlerUtils.buildBasicAuthHeader(CoreConstants.GUEST, CoreConstants.GUEST, req.getCharacterEncoding());
71 }
72
73 return req.getHeader(headerName);
74 }
75
76 }