1 /**
2 * This file Copyright (c) 2003-2018 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 import info.magnolia.context.MgnlContext;
37
38 import java.io.IOException;
39
40 import javax.jcr.Session;
41 import javax.servlet.http.HttpServletRequest;
42 import javax.servlet.http.HttpServletResponse;
43
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
46
47
48 /**
49 * This Filter protects URI as defined by ROLE(s)/GROUP(s) ACL.
50 */
51 public class URISecurityFilter extends BaseSecurityFilter {
52
53 private static final Logger log = LoggerFactory.getLogger(URISecurityFilter.class);
54
55 public static final String URI_REPOSITORY = "uri";
56
57 public static final String URI_WORKSPACE = "default";
58
59 /**
60 * Checks access from Listener / Authenticator / AccessLock.
61 *
62 * @param request HttpServletRequest as received by the service method
63 * @param response HttpServletResponse as received by the service method
64 * @return boolean <code>true</code> if access to the resource is allowed
65 * @throws IOException can be thrown when the servlet is unable to write to the response stream
66 */
67 @Override
68 public boolean isAllowed(HttpServletRequest request, HttpServletResponse response) throws IOException {
69 // todo MAGNOLIA-1617 move this to separate filter
70 final IPSecurityManager ipSecurityManager = IPSecurityManager.Factory.getInstance();
71 if (!ipSecurityManager.isAllowed(request)) {
72 response.setStatus(HttpServletResponse.SC_FORBIDDEN);
73 return false;
74 }
75
76 final boolean authorized = isAuthorized(request);
77 if (!authorized) {
78 final int statusCode = SecurityUtil.isAnonymous() ? HttpServletResponse.SC_UNAUTHORIZED : HttpServletResponse.SC_FORBIDDEN;
79 response.setStatus(statusCode);
80 }
81 return authorized;
82 }
83
84 /**
85 * Validates user permissions on URI.
86 *
87 * @deprecated since 4.5 use {@link #isAuthorized(HttpServletRequest)} instead.
88 */
89 @Deprecated
90 protected boolean isAuthorized(AccessManager accessManager, HttpServletRequest request) {
91 return isAuthorized(request);
92 }
93
94 /**
95 * Validates user permissions on URI.
96 */
97 protected boolean isAuthorized(HttpServletRequest request) {
98 String permission;
99 if (request.getMethod().equalsIgnoreCase("HEAD") || request.getMethod().equalsIgnoreCase("GET")) {
100 permission = Session.ACTION_READ;
101 } else {
102 permission = Session.ACTION_ADD_NODE;
103 }
104
105 final String uri = MgnlContext.getAggregationState().getCurrentURI();
106
107 boolean grant = PermissionUtil.isGranted("uri", uri, permission);
108 log.debug("user {} has {}been granted permission {} to access uri {}", MgnlContext.getUser().getName(), (grant ? "" : "NOT "), permission, uri);
109 return grant;
110 }
111
112 }