1 /**
2 * This file Copyright (c) 2003-2010 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.context;
35
36 import info.magnolia.cms.security.AccessManager;
37 import info.magnolia.cms.util.WorkspaceAccessUtil;
38
39 import javax.security.auth.Subject;
40 import java.util.HashMap;
41 import java.util.Map;
42
43 /**
44 * Uses a user based access manager.
45 */
46 public class DefaultRepositoryStrategy extends AbstractRepositoryStrategy {
47
48 private Map<String, AccessManager> accessManagers = new HashMap<String, AccessManager>();
49 protected UserContext context;
50
51 public DefaultRepositoryStrategy(UserContext context) {
52 this.context = context;
53 }
54
55 public AccessManager getAccessManager(String repositoryId, String workspaceId) {
56 final String amAttrName = repositoryId + "_" + workspaceId;
57 AccessManager accessManager = accessManagers.get(amAttrName);
58
59 if (accessManager == null) {
60 accessManager = WorkspaceAccessUtil.getInstance().createAccessManager(getSubject(), repositoryId, workspaceId);
61 accessManagers.put(amAttrName, accessManager);
62 }
63
64 return accessManager;
65 }
66
67 protected Subject getSubject() {
68 return this.context.getUser().getSubject();
69 }
70
71 protected String getUserId() {
72 return this.context.getUser().getName();
73 }
74
75 public void release() {
76 release(false);
77 accessManagers.clear();
78 }
79
80 }
81