1 // 2 // ======================================================================== 3 // Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd. 4 // ------------------------------------------------------------------------ 5 // All rights reserved. This program and the accompanying materials 6 // are made available under the terms of the Eclipse Public License v1.0 7 // and Apache License v2.0 which accompanies this distribution. 8 // 9 // The Eclipse Public License is available at 10 // http://www.eclipse.org/legal/epl-v10.html 11 // 12 // The Apache License v2.0 is available at 13 // http://www.opensource.org/licenses/apache2.0.php 14 // 15 // You may elect to redistribute this code under either of these licenses. 16 // ======================================================================== 17 // 18 19 package org.eclipse.jetty.plus.jaas.spi; 20 import java.sql.Connection; 21 import java.util.Map; 22 23 import javax.naming.InitialContext; 24 import javax.naming.NamingException; 25 import javax.security.auth.Subject; 26 import javax.security.auth.callback.CallbackHandler; 27 import javax.sql.DataSource; 28 29 /** 30 * DataSourceLoginModule 31 * 32 * A LoginModule that uses a DataSource to retrieve user authentication 33 * and authorisation information. 34 * 35 * @see JDBCLoginModule 36 */ 37 public class DataSourceLoginModule extends AbstractDatabaseLoginModule 38 { 39 40 private String dbJNDIName; 41 private DataSource dataSource; 42 43 /* ------------------------------------------------ */ 44 /** Init LoginModule. 45 * Called once by JAAS after new instance created. 46 * @param subject 47 * @param callbackHandler 48 * @param sharedState 49 * @param options 50 */ 51 public void initialize(Subject subject, 52 CallbackHandler callbackHandler, 53 Map<String,?> sharedState, 54 Map<String,?> options) 55 { 56 try 57 { 58 super.initialize(subject, callbackHandler, sharedState, options); 59 60 //get the datasource jndi name 61 dbJNDIName = (String)options.get("dbJNDIName"); 62 63 InitialContext ic = new InitialContext(); 64 dataSource = (DataSource)ic.lookup("java:comp/env/"+dbJNDIName); 65 } 66 catch (NamingException e) 67 { 68 throw new IllegalStateException (e.toString()); 69 } 70 } 71 72 73 /** 74 * Get a connection from the DataSource 75 * @see AbstractDatabaseLoginModule#getConnection() 76 * @return the connection for the datasource 77 * @throws Exception 78 */ 79 public Connection getConnection () 80 throws Exception 81 { 82 return dataSource.getConnection(); 83 } 84 85 86 87 88 89 }