/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* 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, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may 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.
*/
package org.jahia.services.content.rules;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import org.jahia.utils.ScriptEngineUtils;
import org.slf4j.Logger;
import org.drools.spi.KnowledgeHelper;
import org.jahia.bin.listeners.JahiaContextLoaderListener;
import org.jahia.registries.ServicesRegistry;
import org.jahia.services.content.JCRNodeWrapper;
import org.jahia.services.mail.MailService;
import org.jahia.services.usermanager.JahiaUser;
import org.jahia.settings.SettingsBean;
import org.jahia.utils.LanguageCodeConverters;
import org.jahia.utils.i18n.JahiaResourceBundle;
import javax.jcr.RepositoryException;
import javax.script.*;
import java.io.*;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
/**
* Notification service that is used in the right-hand-side (consequences) of
* the business rules.
*
* @author rincevent
* @since JAHIA 6.5
* Created : 29 juin 2010
*/
public class RulesNotificationService {
private static RulesNotificationService instance;
private static Logger logger = org.slf4j.LoggerFactory.getLogger(RulesNotificationService.class);
public void setScriptEngineUtils(ScriptEngineUtils scriptEngineUtils) {
this.scriptEngineUtils = scriptEngineUtils;
}
private ScriptEngineUtils scriptEngineUtils;
public static RulesNotificationService getInstance() {
if (instance == null) {
synchronized (RulesNotificationService.class) {
if (instance == null) {
instance = new RulesNotificationService();
}
}
}
return instance;
}
private MailService notificationService;
public void setNotificationService(MailService notificationService) {
this.notificationService = notificationService;
}
public void notifyNewUser(AddedNodeFact node, final String template, KnowledgeHelper drools)
throws RepositoryException, ScriptException, IOException {
if (!notificationService.isEnabled()) {
return;
}
JCRNodeWrapper userNode = node.getNode();
if (userNode.hasProperty("j:email") && !userNode.getProperty("j:external").getBoolean()) {
String toMail = userNode.getProperty("j:email").getString();
String fromMail = SettingsBean.getInstance().getMail_from();
String ccList = null;
String bcclist = null;
Locale locale;
try {
locale = LanguageCodeConverters.languageCodeToLocale(userNode.getProperty(
"preferredLanguage").getString());
} catch (RepositoryException e) {
locale = LanguageCodeConverters.languageCodeToLocale(
SettingsBean.getInstance().getDefaultLanguageCode());
}
sendMail(template, userNode, toMail, fromMail, ccList, bcclist, locale);
}
}
public void notifyCurrentUser(User user, final String template, final String fromMail, final String ccList,
final String bccList, KnowledgeHelper drools)
throws RepositoryException, ScriptException, IOException {
if (!notificationService.isEnabled()) {
return;
}
JahiaUser userNode = user.getJahiaUser();
if (userNode.getProperty("j:email") != null) {
String toMail = userNode.getProperty("j:email");
Locale locale = getLocale(userNode);
sendMail(template, userNode, toMail, fromMail, ccList, bccList, locale);
}
}
public void notifyCurrentUser(User user, final String template, final String fromMail, KnowledgeHelper drools)
throws RepositoryException, ScriptException, IOException {
if (!notificationService.isEnabled()) {
return;
}
JahiaUser userNode = user.getJahiaUser();
if (userNode.getProperty("j:email") != null) {
String toMail = userNode.getProperty("j:email");
Locale locale = getLocale(userNode);
sendMail(template, userNode, toMail, fromMail, null, null, locale);
}
}
private Locale getLocale(JahiaUser userNode) {
Locale locale;
String property = userNode.getProperty("preferredLanguage");
if (property != null) {
locale = LanguageCodeConverters.languageCodeToLocale(property);
} else {
locale = LanguageCodeConverters.languageCodeToLocale(
SettingsBean.getInstance().getDefaultLanguageCode());
}
return locale;
}
public void notifyUser(String user, final String template, final String fromMail, KnowledgeHelper drools)
throws RepositoryException, ScriptException, IOException {
if (!notificationService.isEnabled()) {
return;
}
JahiaUser userNode = ServicesRegistry.getInstance().getJahiaUserManagerService().lookupUser(user);
if (userNode.getProperty("j:email") != null) {
String toMail = userNode.getProperty("j:email");
sendMail(template, userNode, toMail, fromMail, null, null, getLocale(userNode));
}
}
public void notifyUser(String user, final String template, final String fromMail, final String ccList,
final String bccList, KnowledgeHelper drools)
throws RepositoryException, ScriptException, IOException {
if (!notificationService.isEnabled()) {
return;
}
JahiaUser userNode = ServicesRegistry.getInstance().getJahiaUserManagerService().lookupUser(user);
if (userNode.getProperty("j:email") != null) {
String toMail = userNode.getProperty("j:email");
sendMail(template, userNode, toMail, fromMail, ccList, bccList, getLocale(userNode));
}
}
private void sendMail(String template, Object user, String toMail, String fromMail, String ccList, String bcclist,
Locale locale) throws RepositoryException, ScriptException {
if (!notificationService.isEnabled()) {
return;
}
if (StringUtils.isEmpty(fromMail)) {
logger.warn("A mail couldn't be sent because from: has no recipient");
return;
}
if (StringUtils.isEmpty(toMail)) {
logger.warn("A mail couldn't be sent because to: has no recipient");
return;
}
// Resolve template :
String extension = StringUtils.substringAfterLast(template, ".");
ScriptEngine scriptEngine = scriptEngineUtils.scriptEngine(extension);
ScriptContext scriptContext = scriptEngine.getContext();
final Bindings bindings = scriptContext.getBindings(ScriptContext.ENGINE_SCOPE);
bindings.put("currentUser", user);
InputStream scriptInputStream = JahiaContextLoaderListener.getServletContext().getResourceAsStream(template);
if (scriptInputStream != null) {
String resourceBundleName = StringUtils.substringBeforeLast(StringUtils.substringAfter(template.replaceAll("/WEB-INF",""),
"/").replaceAll("/",
"."),
".");
String subject = "";
try {
ResourceBundle resourceBundle = JahiaResourceBundle.lookupBundle(resourceBundleName, locale);
bindings.put("bundle", resourceBundle);
subject = resourceBundle.getString("subject");
} catch (MissingResourceException e) {
// No RB
}
Reader scriptContent = null;
try {
scriptContent = new InputStreamReader(scriptInputStream);
scriptContext.setWriter(new StringWriter());
// The following binding is necessary for Javascript, which doesn't offer a console by default.
bindings.put("out", new PrintWriter(scriptContext.getWriter()));
scriptEngine.eval(scriptContent, bindings);
StringWriter writer = (StringWriter) scriptContext.getWriter();
String body = writer.toString();
notificationService.sendMessage(fromMail, toMail, ccList, bcclist, subject, null, body);
} finally {
if (scriptContent != null) {
IOUtils.closeQuietly(scriptContent);
}
}
}
}
}