| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.lenya.cms.ac.usecases; |
| |
| import java.util.Map; |
| |
| import org.apache.cocoon.components.ContextHelper; |
| import org.apache.cocoon.environment.ObjectModelHelper; |
| import org.apache.cocoon.environment.Request; |
| import org.apache.lenya.ac.Identity; |
| import org.apache.lenya.cms.publication.Publication; |
| import org.apache.lenya.cms.publication.PublicationUtil; |
| import org.apache.lenya.cms.usecase.UsecaseException; |
| |
| /** |
| * Usecase to login a user. |
| * |
| * @version $Id: Login.java 407305 2006-05-17 16:21:49Z andreas $ |
| */ |
| public class Login extends AccessControlUsecase { |
| |
| protected static final String HISTORY_SESSION_ATTRIBUTE = "org.apache.lenya.cms.cocoon.acting.History"; |
| protected static final String PASSWORD = "password"; |
| protected static final String USERNAME = "username"; |
| protected static final String REFERRER_QUERY_STRING = "referrerQueryString"; |
| protected static final String PUBLICATION = "publication"; |
| protected static final String CURRENT_USER = "currentUser"; |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#initParameters() |
| */ |
| protected void initParameters() { |
| super.initParameters(); |
| |
| Publication publication; |
| |
| try { |
| publication = PublicationUtil.getPublicationFromUrl(this.manager, getDocumentFactory(), |
| getSourceURL()); |
| if (publication.exists()) { |
| setParameter(PUBLICATION, publication); |
| } |
| Identity identity = this.getSession().getIdentity(); |
| if (identity != null && identity.getUser() != null) { |
| setParameter(CURRENT_USER, this.getSession().getIdentity().getUser()); |
| } |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Ctor. |
| */ |
| public Login() { |
| super(); |
| } |
| |
| /** |
| * Validates the request parameters. |
| * @throws UsecaseException if an error occurs. |
| */ |
| void validate() throws UsecaseException { |
| |
| String userId = getParameterAsString(USERNAME); |
| String password = getParameterAsString(PASSWORD); |
| |
| if (userId.length() == 0) { |
| addErrorMessage("Please enter a user name."); |
| } |
| if (password.length() == 0) { |
| addErrorMessage("Please enter a password."); |
| } |
| |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckExecutionConditions() |
| */ |
| protected void doCheckExecutionConditions() throws Exception { |
| |
| validate(); |
| |
| if (!hasErrors()) { |
| Map objectModel = ContextHelper.getObjectModel(getContext()); |
| Request request = ObjectModelHelper.getRequest(objectModel); |
| request.getSession(true); |
| if (getAccessController().authenticate(request)) { |
| request.getSession(false).removeAttribute(HISTORY_SESSION_ATTRIBUTE); |
| setDefaultTargetURL(request.getPathInfo()); |
| } else { |
| addErrorMessage("Authentication failed"); |
| } |
| } |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#getExitQueryString() |
| */ |
| protected String getExitQueryString() { |
| String queryString = getParameterAsString(REFERRER_QUERY_STRING); |
| if (queryString != null && !queryString.equals("")) { |
| queryString = "?" + queryString; |
| } |
| return queryString; |
| } |
| } |