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1 /*** 2 * Redistribution and use of this software and associated documentation 3 * ("Software"), with or without modification, are permitted provided 4 * that the following conditions are met: 5 * 6 * 1. Redistributions of source code must retain copyright 7 * statements and notices. Redistributions must also contain a 8 * copy of this document. 9 * 10 * 2. Redistributions in binary form must reproduce the 11 * above copyright notice, this list of conditions and the 12 * following disclaimer in the documentation and/or other 13 * materials provided with the distribution. 14 * 15 * 3. The name "Exolab" must not be used to endorse or promote 16 * products derived from this Software without prior written 17 * permission of Exoffice Technologies. For written permission, 18 * please contact info@exolab.org. 19 * 20 * 4. Products derived from this Software may not be called "Exolab" 21 * nor may "Exolab" appear in their names without prior written 22 * permission of Exoffice Technologies. Exolab is a registered 23 * trademark of Exoffice Technologies. 24 * 25 * 5. Due credit should be given to the Exolab Project 26 * (http://www.exolab.org/). 27 * 28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 39 * OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Copyright 2003 (C) Exoffice Technologies Inc. All Rights Reserved. 42 */ 43 44 package org.exolab.jms.authentication; 45 46 47 import org.exolab.core.service.BasicService; 48 import org.exolab.core.service.ServiceException; 49 50 51 /*** 52 * This is the active authentication component within the JMS server. 53 * 54 * @version $Revision: 1.3 $ $Date: 2003/08/07 13:32:48 $ 55 * @author <a href="mailto:knut@lerpold">Knut Lerpold</a> 56 */ 57 public class AuthenticationMgr extends BasicService { 58 59 /*** 60 * The user manager 61 */ 62 private UserManager _users; 63 64 /*** 65 * The service name of the authentication manager 66 */ 67 private static final String AM_SERVICE_NAME = "AuthenticationManager"; 68 69 /*** 70 * The singleton instance of the authentication manager. 71 */ 72 private static volatile AuthenticationMgr _instance; 73 74 75 /*** 76 * Construct a new <code>AuthenticationManager</code> 77 * 78 * @throws ServiceException if the service cannot be initialised 79 */ 80 private AuthenticationMgr() throws ServiceException { 81 super(AM_SERVICE_NAME); 82 _users = new UserManager(); 83 } 84 85 /*** 86 * Create and return an instance of the singleton. 87 * 88 * @return the singleton instance 89 * @throws ServiceException if the service cannot be created 90 */ 91 public static AuthenticationMgr createInstance() throws ServiceException { 92 _instance = new AuthenticationMgr(); 93 return _instance; 94 } 95 96 /*** 97 * Return an instance to the AuthenticationMgr singleton. This method 98 * assumes that the singleton has already been created with a call to 99 * {@link #createInstance} 100 * 101 * @return the singleton instance 102 */ 103 public static AuthenticationMgr instance() { 104 return _instance; 105 } 106 107 // implement BasicService.run 108 public void run() { 109 // do nothing 110 } 111 112 // override BasicService.stop 113 public void stop() throws ServiceException { 114 // destroy the user manager. 115 _users.destroy(); 116 117 // clear the static reference 118 _instance = null; 119 } 120 121 /*** 122 * Create a user. 123 * 124 * @param user the user to create 125 * @return <code>true</code> if the user is created 126 * otherwise <code>false</code> 127 */ 128 public boolean addUser(User user) { 129 return _users.createUser(user); 130 } 131 132 /*** 133 * Remove this user 134 * 135 * @param user the user to remove 136 * @return <code>true</code> if the user is removed 137 * otherwise <code>false</code> 138 */ 139 public boolean removeUser(User user) { 140 return _users.deleteUser(user); 141 } 142 143 /*** 144 * Gets a user. 145 * 146 * @param user the user 147 * @return User 148 */ 149 public User getUser(User user) { 150 return _users.getUser(user); 151 } 152 153 /*** 154 * Update a user. 155 * 156 * @param user the user to update 157 * @return <code>true</code> if the password is updated 158 * otherwise <code>false</code> 159 */ 160 public boolean updateUser(User user) { 161 return _users.updateUser(user); 162 } 163 164 /*** 165 * Validate the password for the specified user. 166 * 167 * @param username the user's name 168 * @param password the password to check 169 * @return <code>true</code> if the username and password exist, otherwise 170 * <code>false</code> 171 */ 172 public boolean validateUser(String username, String password) { 173 return _users.validateUser(username, password); 174 } 175 176 }

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