1 /* 2 * $Id$ 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 package org.apache.struts.apps.mailreader.actions; 22 23 import jakarta.servlet.http.HttpServletRequest; 24 import jakarta.servlet.http.HttpServletResponse; 25 26 import org.apache.struts.action.ActionForm; 27 import org.apache.struts.action.ActionForward; 28 import org.apache.struts.action.ActionMapping; 29 import org.apache.struts.action.ActionMessages; 30 import org.apache.struts.apps.mailreader.dao.User; 31 32 /** 33 * <p> 34 * Validate a user logon. 35 * </p> 36 * 37 * @version $Rev$ $Date$ 38 */ 39 public final class LogonAction extends BaseAction { 40 private static final long serialVersionUID = 9026910533050605143L; 41 42 /** 43 * <p> 44 * Use "username" and "password" fields from ActionForm to retrieve a User 45 * object from the database. If credentials are not valid, or database 46 * has disappeared, post error messages and forward to input. 47 * </p> 48 * 49 * @param mapping The ActionMapping used to select this instance 50 * @param form The optional ActionForm bean for this request (if any) 51 * @param request The HTTP request we are processing 52 * @param response The HTTP response we are creating 53 * @throws Exception if the application business logic throws 54 * an exception 55 */ 56 public ActionForward execute( 57 ActionMapping mapping, 58 ActionForm form, 59 HttpServletRequest request, 60 HttpServletResponse response) 61 throws Exception { 62 63 // Retrieve user 64 String username = doGet(form, USERNAME); 65 String password = doGet(form, PASSWORD); 66 ActionMessages errors = new ActionMessages(); 67 User user = doGetUser(username, password, errors); 68 69 // Report back any errors, and exit if any 70 if (!errors.isEmpty()) { 71 this.saveErrors(request, errors); 72 return (mapping.getInputForward()); 73 } 74 75 // Cache user object in session to signify logon 76 doCacheUser(request, user); 77 78 // Done 79 return doFindSuccess(mapping); 80 } 81 }