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comparison servlet/src/digilib/auth/AuthOpsImpl.java @ 1:0ff3ede32060

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Initial revision
author robcast
date Thu, 17 Jan 2002 15:25:46 +0100
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children 3b8797fc3e90 9cedd170b581
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0:ffd2df307e81 1:0ff3ede32060
1 /* AuthOps -- Authentication class implementation
2
3 Digital Image Library servlet components
4
5 Copyright (C) 2001, 2002 Robert Casties (robcast@mail.berlios.de)
6
7 This program is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2 of the License, or (at your
10 option) any later version.
11
12 Please read license.txt for the full details. A copy of the GPL
13 may be found at http://www.gnu.org/copyleft/lgpl.html
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 */
20
21 package digilib.auth;
22
23 import javax.servlet.http.HttpServletRequest;
24 import java.util.*;
25
26 import digilib.*;
27
28 public abstract class AuthOpsImpl implements AuthOps {
29
30 protected Utils util;
31
32 public AuthOpsImpl() {
33 util = new Utils();
34 try {
35 init();
36 } catch (AuthOpException e) {
37 }
38 }
39
40 public AuthOpsImpl(Utils u) {
41 util = u;
42 try {
43 init();
44 } catch (AuthOpException e) {
45 }
46 }
47
48 public boolean isAuthRequired(String filepath, HttpServletRequest request) throws AuthOpException {
49 // check permissions
50 List rolesRequired = rolesForPath(filepath, request);
51 return (rolesRequired != null);
52 }
53
54 public boolean isAuthorized(String filepath, HttpServletRequest request) throws AuthOpException {
55 List rolesAllowed = rolesForPath(filepath, request);
56 return isRoleAuthorized(rolesAllowed, request);
57 }
58
59 public boolean isRoleAuthorized(List roles, HttpServletRequest request) {
60 ListIterator r = roles.listIterator();
61 String s = "";
62 while (r.hasNext()) {
63 s = (String)r.next();
64 util.dprintln(5, "Testing role: "+s);
65 if (request.isUserInRole(s)) {
66 util.dprintln(5, "Role Authorized");
67 return true;
68 }
69 }
70 return false;
71 }
72
73 public abstract void init() throws AuthOpException;
74
75 public abstract List rolesForPath(String filepath, HttpServletRequest request) throws AuthOpException;
76
77 }