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Java > Open Source Codes > org > snipsnap > net > SnipLockServlet


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.net;
26
27 import org.snipsnap.app.Application;
28 import org.snipsnap.config.Configuration;
29 import org.snipsnap.snip.Snip;
30 import org.snipsnap.snip.SnipLink;
31 import org.snipsnap.snip.SnipSpace;
32 import org.snipsnap.snip.SnipSpaceFactory;
33 import org.snipsnap.user.Permissions;
34 import org.snipsnap.user.Roles;
35 import org.snipsnap.user.User;
36
37 import javax.servlet.ServletException JavaDoc;
38 import javax.servlet.http.HttpServlet JavaDoc;
39 import javax.servlet.http.HttpServletRequest JavaDoc;
40 import javax.servlet.http.HttpServletResponse JavaDoc;
41 import java.io.IOException JavaDoc;
42
43 /**
44  * Servlet to lock and unlock snips
45  * @author Stephan J. Schmidt
46  * @version $Id: SnipLockServlet.java 1606 2004-05-17 10:56:18Z leo $
47  */
48 public class SnipLockServlet extends HttpServlet JavaDoc {
49   private final static Roles ALLOWED_ROLES = new Roles("Admin:Editor");
50
51   public void doGet(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
52       throws ServletException JavaDoc, IOException JavaDoc {
53     String JavaDoc name = request.getParameter("name");
54     SnipSpace space = SnipSpaceFactory.getInstance();
55     Snip snip = space.load(name);
56
57     User user = Application.get().getUser();
58     if (user != null && user.getRoles().containsAny(ALLOWED_ROLES)) {
59       String JavaDoc role = Roles.EDITOR;
60       if(user.getRoles().contains(Roles.ADMIN)) {
61         role = Roles.ADMIN;
62       }
63
64       if (request.getParameter("unlock") != null) {
65         snip.getPermissions().remove(Permissions.EDIT_SNIP, role);
66       } else {
67         snip.getPermissions().add(Permissions.EDIT_SNIP, role);
68       }
69       space.store(snip);
70     }
71     Configuration config = Application.get().getConfiguration();
72     response.sendRedirect(config.getUrl("/space/" + SnipLink.encode(name)));
73   }
74 }
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