1 /**
2 * This file Copyright (c) 2003-2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.security;
35
36
37 import info.magnolia.context.MgnlContext;
38
39 import java.io.IOException;
40
41 import javax.jcr.Session;
42 import javax.servlet.http.HttpServletRequest;
43 import javax.servlet.http.HttpServletResponse;
44
45 /**
46 * Used to check if the user can read the requested content. Also sets appropriate status on the response in case of unallowed access.
47 * This filter normally resides behind the cache filter.
48 *
49 * @version $Id$
50 */
51 public class ContentSecurityFilter extends BaseSecurityFilter {
52
53 @Override
54 public boolean isAllowed(HttpServletRequest request, HttpServletResponse response) throws IOException {
55 final String repositoryName = MgnlContext.getAggregationState().getRepository();
56 final String handle = MgnlContext.getAggregationState().getHandle();
57 final boolean granted = PermissionUtil.isGranted(repositoryName, handle, Session.ACTION_READ);
58 if (!granted) {
59 final int statusCode = SecurityUtil.isAnonymous() ? HttpServletResponse.SC_UNAUTHORIZED : HttpServletResponse.SC_FORBIDDEN;
60 response.setStatus(statusCode);
61 }
62 return granted;
63 }
64
65
66 }