1 /**
2 * This file Copyright (c) 2016 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.module.resources;
35
36 import info.magnolia.voting.voters.AbstractBoolVoter;
37
38 import javax.inject.Inject;
39 import javax.servlet.http.HttpServletRequest;
40
41 import org.apache.commons.lang3.StringUtils;
42
43 /**
44 * Delegates to {@link info.magnolia.voting.voters.VoterSet} configured in {@link ResourcesModule} upon each
45 * {@link HttpServletRequest}. Allows the request to reach {@link ResourcesServlet} or bypasses it when filter does
46 * <strong>NOT</strong> match (see
47 * <code>config:/server/filters/servlets/ResourcesServlet/bypasses/bypassWhenNotInResourceFilter@not=true</code>).
48 * When no filter is set at all, this voter considers everything white listed.
49 */
50 public class DelegateResourceVoter extends AbstractBoolVoter<HttpServletRequest> {
51
52 private final ResourcesModule resourcesModule;
53
54 @Inject
55 public DelegateResourceVoter(final ResourcesModule resourcesModule) {
56 this.resourcesModule = resourcesModule;
57 }
58
59 @Override
60 protected boolean boolVote(HttpServletRequest httpServletRequest) {
61 // If the resource filter is not set, everything is considered white listed
62 if (resourcesModule.getResourceFilter() == null) {
63 return true;
64 }
65
66 final String resourcePath = httpServletRequest.getRequestURI();
67 if (StringUtils.isNotBlank(resourcePath)) {
68 return resourcesModule.getResourceFilter().vote(resourcePath) > 0;
69 }
70
71 return false;
72 }
73
74 }