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1 package org.apache.turbine.modules.actions; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Turbine" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache Turbine", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 // Turbine Classes 58 import org.apache.turbine.TurbineConstants; 59 import org.apache.turbine.modules.Action; 60 import org.apache.turbine.util.Log; 61 import org.apache.turbine.util.RunData; 62 import org.apache.turbine.services.resources.TurbineResources; 63 import org.apache.turbine.services.security.TurbineSecurity; 64 import org.apache.turbine.om.security.User; 65 import org.apache.turbine.util.security.DataBackendException; 66 import org.apache.turbine.util.security.TurbineSecurityException; 67 68 /*** 69 * This is where we authenticate the user logging into the system 70 * against a user in the database. If the user exists in the database 71 * that users last login time will be updated. 72 * 73 * @author <a href="mailto:mbryson@mont.mindspring.com">Dave Bryson</a> 74 * @version $Id: LoginUser.java,v 1.1.1.1 2001/08/16 05:08:31 jvanzyl Exp $ 75 */ 76 public class LoginUser extends Action 77 { 78 /*** 79 * Updates the user's LastLogin timestamp, sets their state to 80 * "logged in" and calls RunData.setUser() . If the user cannot 81 * be authenticated (database error?) the user is assigned 82 * anonymous status and, if tr.props contains a TEMPLATE_LOGIN, 83 * the screenTemplate is set to this, otherwise the screen is set 84 * to SCREEN_LOGIN 85 * 86 * <p><em>Note: Turbine clears the session before calling this 87 * method</em></p> 88 * 89 * @param data Turbine information. 90 * @exception Exception, a generic exception. 91 */ 92 public void doPerform( RunData data ) 93 throws Exception 94 { 95 // This prevents a db hit on second Action call during page 96 // generation. Turbine removes everything from the Session 97 // before calling this method, so in this case we should 98 // continue on with the Login procedure. 99 if ( data.getUserFromSession() != null ) 100 { 101 return; 102 } 103 104 String username = data.getParameters().getString( "username", "" ); 105 String password = data.getParameters().getString( "password", "" ); 106 107 User user = null; 108 try 109 { 110 // Authenticate the user and get the object. 111 user = TurbineSecurity.getAuthenticatedUser( username, password ); 112 113 // Store the user object. 114 data.setUser(user); 115 116 // Mark the user as being logged in. 117 user.setHasLoggedIn(new Boolean(true)); 118 119 // Set the last_login date in the database. 120 user.updateLastLogin(); 121 122 // This only happens if the user is valid; otherwise, we 123 // will get a valueBound in the User object when we don't 124 // want to because the username is not set yet. Save the 125 // User object into the session. 126 data.save(); 127 128 /* 129 * If the setPage("template.vm") method has not 130 * been used in the template to authenticate the 131 * user (usually Login.vm), then the user will 132 * be forwarded to the template that is specified 133 * by the "template.home" property as listed in 134 * TR.props for the webapp. 135 */ 136 137 } 138 catch ( TurbineSecurityException e ) 139 { 140 if(e instanceof DataBackendException) 141 { 142 Log.error(e); 143 } 144 data.setMessage(TurbineResources.getString( 145 TurbineConstants.LOGIN_ERROR)); 146 // Retrieve an anonymous user. 147 data.setUser (TurbineSecurity.getAnonymousUser()); 148 String loginTemplate = TurbineResources.getString( 149 TurbineConstants.TEMPLATE_LOGIN); 150 151 if (loginTemplate != null && loginTemplate.length() > 0) 152 { 153 data.setScreenTemplate(loginTemplate); 154 } 155 else 156 { 157 data.setScreen(TurbineResources.getString( 158 TurbineConstants.SCREEN_LOGIN)); 159 } 160 } 161 } 162 }

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