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Java > Open Source Codes > org > snipsnap > jsp > CheckPermission


1 /*
2  * This file is part of "SnipSnap Wiki/Weblog".
3  *
4  * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5  * All Rights Reserved.
6  *
7  * Please visit http://snipsnap.org/ for updates and contact.
8  *
9  * --LICENSE NOTICE--
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  * --LICENSE NOTICE--
24  */
25 package org.snipsnap.jsp;
26
27 import org.snipsnap.app.Application;
28 import org.snipsnap.user.Security;
29 import org.snipsnap.user.User;
30
31 import javax.servlet.jsp.JspTagException JavaDoc;
32
33
34 public class CheckPermission extends UserAuth {
35   protected String JavaDoc permission;
36
37   public void setPermission(String JavaDoc permission) {
38     this.permission = permission;
39   }
40
41   protected boolean condition() throws JspTagException JavaDoc {
42     Application app = Application.get();
43     User user = app.getUser();
44     boolean isTrue = false;
45     if (snip != null) {
46       isTrue = Security.checkPermission(permission, user, snip) && Security.hasRoles(user, snip, roles);
47     } else {
48       isTrue = Security.hasRoles(user, roles);
49     }
50     // invert result if necessary
51 return (invertCheck ? !isTrue : isTrue);
52   }
53 }
54
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