1 /**
2 * This file Copyright (c) 2003-2017 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 import info.magnolia.objectfactory.ObservedComponentFactory;
38 import info.magnolia.repository.RepositoryConstants;
39
40 import java.util.Collections;
41
42 import javax.jcr.RepositoryException;
43 import javax.jcr.Session;
44
45 /**
46 * Special ObservedComponentFactory used for providing a SecuritySupport already during the initialization phase - before the proper SecuritySupportImpl can been instantiated.
47 * Once the proper SecuritySupportImpl instantiated as configured in Jcr it will always be used instead of this one.
48 */
49 public class SecuritySupportObservedComponentFactory extends ObservedComponentFactory<SecuritySupport> {
50
51 public static final String SECURITY_CONFIG_PATH = "/server/security";
52 public static final String SYSTEM_SUPERUSER_PATH = "/system/superuser";
53
54 public SecuritySupportObservedComponentFactory() {
55 super(RepositoryConstants.CONFIG, SECURITY_CONFIG_PATH, SecuritySupport.class);
56 }
57
58 @Override
59 protected Class[] getExposedInterfaces() {
60 // This impl has to return the interface to avoid running into ClassCastExceptions later, when the temporary InitPhaseSecuritySupportImpl is swapped for the proper SecuritySupportImpl.
61 return new Class[] {
62 SecuritySupport.class
63 };
64 }
65
66 @Override
67 protected void instantiateDefault() {
68 setObservedObject(new InitPhaseSecuritySupportImpl());
69 }
70
71 @Override
72 public SecuritySupport getObservedObject() {
73 if (super.getObservedObject() instanceof InitPhaseSecuritySupportImpl) {
74 MgnlContext.doInSystemContext(new SilentSessionOp<Void>(RepositoryConstants.CONFIG) {
75
76 @Override
77 public Void doExec(Session configSession) throws RepositoryException {
78 if (!configSession.nodeExists(SECURITY_CONFIG_PATH)) {
79 return null;
80 }
81
82 Session usersSession = MgnlContext.getJCRSession(RepositoryConstants.USERS);
83 if (usersSession.nodeExists(SYSTEM_SUPERUSER_PATH)) {
84 reload();
85 }
86
87 return null;
88 }
89 });
90 }
91 return super.getObservedObject();
92 }
93
94 /**
95 * SecuritySupport used during initialization phase.
96 */
97 static class InitPhaseSecuritySupportImpl extends SecuritySupportImpl {
98
99 /**
100 * Default constructor - required for Cglib proxying.
101 */
102 public InitPhaseSecuritySupportImpl() {
103 super();
104 }
105
106 @Override
107 public UserManager getUserManager(String realmName) {
108 return Realm.REALM_SYSTEM.getName().equals(realmName) ? new InitPhaseUserManager() : null;
109 }
110 }
111
112 /**
113 * UserManager used during initialization phase.
114 */
115 static class InitPhaseUserManager extends SystemUserManager {
116 @Override
117 protected User getOrCreateUser(final String userName, final String ignoredPassword) {
118 return UserManager.SYSTEM_USER.equals(userName) ? new InitPhaseUser(userName) : null;
119 }
120 }
121
122 /**
123 * User used during initialization phase.
124 */
125 static class InitPhaseUser extends MgnlUser {
126 private InitPhaseUser(final String name) {
127 super(name, Realm.REALM_SYSTEM.getName(), Collections.<String>emptyList(), Collections.<String>emptyList(), Collections.<String, String>emptyMap());
128 }
129 }
130
131 }