Java tutorial
/** * ========================================================================================== * = JAHIA'S DUAL LICENSING - IMPORTANT INFORMATION = * ========================================================================================== * * Copyright (C) 2002-2015 Jahia Solutions Group SA. All rights reserved. * * THIS FILE IS AVAILABLE UNDER TWO DIFFERENT LICENSES: * 1/GPL OR 2/JSEL * * 1/ GPL * ====================================================================================== * * IF YOU DECIDE TO CHOSE THE GPL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * "This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * As a special exception to the terms and conditions of version 2.0 of * the GPL (or any later version), you may redistribute this Program in connection * with Free/Libre and Open Source Software ("FLOSS") applications as described * in Jahia's FLOSS exception. You should have received a copy of the text * describing the FLOSS exception, also available here: * http://www.jahia.com/license" * * 2/ JSEL - Commercial and Supported Versions of the program * ====================================================================================== * * IF YOU DECIDE TO CHOOSE THE JSEL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * Alternatively, commercial and supported versions of the program - also known as * Enterprise Distributions - must be used in accordance with the terms and conditions * contained in a separate written agreement between you and Jahia Solutions Group SA. * * If you are unsure which license is appropriate for your use, * please contact the sales department at sales@jahia.com. * * * ========================================================================================== * = ABOUT JAHIA = * ========================================================================================== * * Rooted in Open Source CMS, Jahias Digital Industrialization paradigm is about * streamlining Enterprise digital projects across channels to truly control * time-to-market and TCO, project after project. * Putting an end to the Tunnel effect?, the Jahia Studio enables IT and * marketing teams to collaboratively and iteratively build cutting-edge * online business solutions. * These, in turn, are securely and easily deployed as modules and apps, * reusable across any digital projects, thanks to the Jahia Private App Store Software. * Each solution provided by Jahia stems from this overarching vision: * Digital Factory, Workspace Factory, Portal Factory and eCommerce Factory. * Founded in 2002 and headquartered in Geneva, Switzerland, * Jahia Solutions Group has its North American headquarters in Washington DC, * with offices in Chicago, Toronto and throughout Europe. * Jahia counts hundreds of global brands and governmental organizations * among its loyal customers, in more than 20 countries across the globe. * * For more information, please visit http://www.jahia.com */ package org.jahia.modules.newsletter.action; import org.jahia.bin.Action; import org.jahia.bin.ActionResult; import org.jahia.bin.Jahia; import org.jahia.bin.Render; import org.jahia.modules.newsletter.service.SubscriptionService; import org.jahia.services.content.JCRCallback; import org.jahia.services.content.JCRNodeWrapper; import org.jahia.services.content.JCRSessionWrapper; import org.jahia.services.content.JCRTemplate; import org.jahia.services.content.decorator.JCRUserNode; import org.jahia.services.mail.MailService; import org.jahia.services.render.RenderContext; import org.jahia.services.render.Resource; import org.jahia.services.render.URLResolver; import org.jahia.services.usermanager.JahiaUser; import org.jahia.services.usermanager.JahiaUserManagerService; import org.json.JSONException; import org.json.JSONObject; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import javax.jcr.RepositoryException; import javax.script.ScriptException; import javax.servlet.http.HttpServletRequest; import java.util.HashMap; import java.util.List; import java.util.Map; import static javax.servlet.http.HttpServletResponse.SC_INTERNAL_SERVER_ERROR; import static javax.servlet.http.HttpServletResponse.SC_OK; /** * An action for subscribing a user to the target node. * * @author Sergiy Shyrkov */ public class UnsubscribeAction extends Action { private static final Logger logger = LoggerFactory.getLogger(UnsubscribeAction.class); private boolean forceConfirmationForRegisteredUsers; private String mailConfirmationTemplate = null; @Autowired private MailService mailService; @Autowired private SubscriptionService subscriptionService; @Autowired private transient JahiaUserManagerService userManagerService; public static String generateUnsubscribeLink(JCRNodeWrapper newsletterNode, String confirmationKey, HttpServletRequest req) throws RepositoryException { return req.getScheme() + "://" + req.getServerName() + ":" + req.getServerPort() + Jahia.getContextPath() + Render.getRenderServletPath() + "/live/" + newsletterNode.getLanguage() + newsletterNode.getPath() + ".confirm.do?key=" + confirmationKey + "&exec=rem"; } public ActionResult doExecute(final HttpServletRequest req, final RenderContext renderContext, final Resource resource, JCRSessionWrapper session, final Map<String, List<String>> parameters, URLResolver urlResolver) throws Exception { return JCRTemplate.getInstance().doExecuteWithSystemSession(null, "live", new JCRCallback<ActionResult>() { public ActionResult doInJCR(JCRSessionWrapper session) throws RepositoryException { try { String email = getParameter(parameters, "email"); final JCRNodeWrapper node = resource.getNode(); session.checkout(node); if (email != null) { // consider as non-registered user JCRNodeWrapper subscription = subscriptionService.getSubscription(node, email, session); if (subscription == null) { return new ActionResult(SC_OK, null, new JSONObject("{\"status\":\"invalid-user\"}")); } else if (sendConfirmationMail(session, email, node, subscription, resource, req)) { return new ActionResult(SC_OK, null, new JSONObject("{\"status\":\"mail-sent\"}")); } subscriptionService.cancel(subscription.getIdentifier(), session); } else { JahiaUser user = renderContext.getUser(); JCRUserNode userNode = userManagerService.lookupUserByPath(user.getLocalPath()); if (JahiaUserManagerService.isGuest(user) || userNode == null) { // anonymous users are not allowed (and no email was provided) return new ActionResult(SC_OK, null, new JSONObject("{\"status\":\"invalid-user\"}")); } JCRNodeWrapper subscription = subscriptionService.getSubscription(node, user.getUsername(), session); if (subscription == null) { return new ActionResult(SC_OK, null, new JSONObject("{\"status\":\"invalid-user\"}")); } else if (forceConfirmationForRegisteredUsers && sendConfirmationMail(session, userNode.getPropertyAsString("j:email"), node, subscription, resource, req)) { return new ActionResult(SC_OK, null, new JSONObject("{\"status\":\"mail-sent\"}")); } subscriptionService.cancel(subscription.getIdentifier(), session); } return new ActionResult(SC_OK, null, new JSONObject("{\"status\":\"ok\"}")); } catch (JSONException e) { logger.error("Error", e); return new ActionResult(SC_INTERNAL_SERVER_ERROR, null, null); } } }); } private boolean sendConfirmationMail(JCRSessionWrapper session, String email, JCRNodeWrapper node, JCRNodeWrapper subscription, Resource resource, HttpServletRequest req) throws RepositoryException, JSONException { if (mailConfirmationTemplate != null) { session.checkout(subscription); String confirmationKey = subscriptionService.generateConfirmationKey(subscription); subscription.setProperty(SubscriptionService.J_CONFIRMATION_KEY, confirmationKey); session.save(); Map<String, Object> bindings = new HashMap<String, Object>(); bindings.put("newsletter", node); bindings.put("confirmationlink", generateUnsubscribeLink(node, confirmationKey, req)); try { mailService.sendMessageWithTemplate(mailConfirmationTemplate, bindings, email, mailService.defaultSender(), null, null, resource.getLocale(), "Jahia Newsletter"); } catch (ScriptException e) { logger.error("Cannot generate confirmation mail", e); } return true; } return false; } public void setMailConfirmationTemplate(String mailConfirmationTemplate) { this.mailConfirmationTemplate = mailConfirmationTemplate; } public void setMailService(MailService mailService) { this.mailService = mailService; } public void setSubscriptionService(SubscriptionService subscriptionService) { this.subscriptionService = subscriptionService; } public void setUserManagerService(JahiaUserManagerService userManagerService) { this.userManagerService = userManagerService; } public void setForceConfirmationForRegisteredUsers(boolean forceConfirmationForRegisteredUsers) { this.forceConfirmationForRegisteredUsers = forceConfirmationForRegisteredUsers; } }