/**
* 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.bin;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import javax.jcr.AccessDeniedException;
import javax.jcr.PathNotFoundException;
import javax.jcr.RepositoryException;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.collections.iterators.EnumerationIterator;
import org.apache.commons.lang.StringUtils;
import org.jahia.api.Constants;
import org.jahia.bin.errors.DefaultErrorHandler;
import org.jahia.bin.errors.ErrorHandler;
import org.jahia.exceptions.JahiaException;
import org.jahia.params.ProcessingContext;
import org.jahia.registries.ServicesRegistry;
import org.jahia.services.content.*;
import org.jahia.services.content.decorator.JCRSiteNode;
import org.jahia.services.preferences.user.UserPreferencesHelper;
import org.jahia.services.render.URLGenerator;
import org.jahia.services.sites.JahiaSite;
import org.jahia.services.sites.JahiaSitesBaseService;
import org.jahia.services.sites.JahiaSitesService;
import org.jahia.services.usermanager.JahiaUser;
import org.jahia.services.usermanager.JahiaUserManagerService;
import org.jahia.services.usermanager.jcr.JCRUser;
import org.jahia.settings.SettingsBean;
import org.slf4j.Logger;
/**
* Servlet for the first entry point in Jahia portal that performs a client-side redirect
* to the home page of the appropriate site.
* User: toto
* Date: Apr 26, 2010
* Time: 5:49:14 PM
*/
public class WelcomeServlet extends HttpServlet {
/**
* The serialVersionUID.
*/
private static final long serialVersionUID = -2055161334153523152L;
private static final transient Logger logger = org.slf4j.LoggerFactory.getLogger(WelcomeServlet.class);
private static final String DEFAULT_LOCALE = Locale.ENGLISH.toString();
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
if (request.getRequestURI().endsWith("/start")) {
userRedirect(request, response, getServletContext());
} else {
defaultRedirect(request, response, getServletContext());
}
} catch (Exception e) {
List<ErrorHandler> handlers = ServicesRegistry.getInstance()
.getJahiaTemplateManagerService().getErrorHandler();
for (ErrorHandler handler : handlers) {
if (handler.handle(e, request, response)) {
return;
}
}
DefaultErrorHandler.getInstance().handle(e, request, response);
}
}
protected void userRedirect(HttpServletRequest request, HttpServletResponse response, ServletContext context) throws Exception {
JahiaUser user = (JahiaUser) request.getSession().getAttribute(ProcessingContext.SESSION_USER);
if (!JahiaUserManagerService.isGuest(user)) {
JCRSiteNode site = (JCRSiteNode) JCRStoreService.getInstance().getSessionFactory().getCurrentUserSession("live").getNode(JCRContentUtils.getSystemSitePath());
String language = resolveLanguage(request, site, user);
redirect(request.getContextPath() + "/cms/render/live/"+language + user.getLocalPath() + ".user-home.html", response);
} else {
throw new AccessDeniedException();
}
}
protected void redirect(String url, HttpServletResponse response) throws IOException {
String targetUrl = response.encodeRedirectURL(url);
if (targetUrl.contains(";jsessionid")) {
if (targetUrl.contains("?")) {
targetUrl = StringUtils.substringBefore(targetUrl, ";jsessionid=") + "?"
+ StringUtils.substringAfter(targetUrl, "?");
} else {
targetUrl = StringUtils.substringBefore(targetUrl, ";jsessionid=");
}
}
response.sendRedirect(targetUrl);
}
protected void defaultRedirect(HttpServletRequest request, HttpServletResponse response,
ServletContext context) throws Exception {
request.getSession(true);
final JCRSiteNode site = resolveSite(request, Constants.LIVE_WORKSPACE);
String redirect = null;
if (site == null) {
userRedirect(request, response, context);
return;
} else {
JahiaUser user = (JahiaUser) request.getSession().getAttribute(ProcessingContext.SESSION_USER);
String language = resolveLanguage(request, site, user);
String base;
String pathInfo = request.getPathInfo();
JCRNodeWrapper home = site.getHome();
if (pathInfo != null && "/edit".equals(pathInfo) && !SettingsBean.getInstance().isDistantPublicationServerMode()) {
// edit mode was requested
if(home!=null) {
base = request.getContextPath() + Edit.getEditServletPath() + "/"
+ Constants.EDIT_WORKSPACE + "/" + language + home.getPath();
} else {
base = request.getContextPath() + Edit.getEditServletPath() + "/"
+ Constants.EDIT_WORKSPACE + "/" + language + resolveSite(request, Constants.EDIT_WORKSPACE).getHome().getPath();
}
} else {
if (home != null) {
base = request.getContextPath() + Render.getRenderServletPath() + "/"
+ Constants.LIVE_WORKSPACE + "/" + language + home.getPath();
} else if (!SettingsBean.getInstance().isDistantPublicationServerMode()) {
JCRSiteNode defSite = null;
try {
defSite = (JCRSiteNode) JCRStoreService.getInstance().getSessionFactory()
.getCurrentUserSession().getNode(site.getPath());
} catch (PathNotFoundException e) {
redirect(request.getContextPath()+"/start", response);
return;
}
if (defSite.getHome() != null) {
base = request.getContextPath() + Edit.getEditServletPath() + "/"
+ Constants.EDIT_WORKSPACE + "/" + language
+ defSite.getHome().getPath();
} else {
redirect(request.getContextPath()+"/start", response);
return;
}
} else {
redirect(request.getContextPath()+"/start", response);
return;
}
}
redirect = base + ".html";
}
redirect(redirect, response);
}
protected JCRSiteNode resolveSite(HttpServletRequest request, String workspace) throws JahiaException, RepositoryException {
JahiaSitesService siteService = JahiaSitesBaseService.getInstance();
JahiaSite resolvedSite = !URLGenerator.isLocalhost(request.getServerName()) ? siteService.getSiteByServerName(request.getServerName()) : null;
if (resolvedSite == null) {
resolvedSite = siteService.getDefaultSite();
}
return resolvedSite != null ? (JCRSiteNode) JCRStoreService.getInstance().getSessionFactory()
.getCurrentUserSession(workspace).getNode(resolvedSite.getJCRLocalPath()) : null;
}
protected String resolveLanguage(HttpServletRequest request, final JCRSiteNode site, JahiaUser user)
throws JahiaException {
final List<Locale> newLocaleList = new ArrayList<Locale>();
List<Locale> siteLanguages = Collections.emptyList();
try {
if (site != null) {
siteLanguages = site.getLanguagesAsLocales();
}
} catch (Exception t) {
logger.debug("Exception while getting language settings as locales", t);
}
Locale preferredLocale = UserPreferencesHelper.getPreferredLocale(user);
if (preferredLocale != null) {
addLocale(site, newLocaleList, preferredLocale);
}
// retrieve the browser locales
for (@SuppressWarnings("unchecked")
Iterator<Locale> browserLocales = new EnumerationIterator(request.getLocales()); browserLocales
.hasNext();) {
final Locale curLocale = browserLocales.next();
if (siteLanguages.contains(curLocale)) {
addLocale(site, newLocaleList, curLocale);
} else if (!StringUtils.isEmpty(curLocale.getCountry())) {
final Locale langOnlyLocale = new Locale(curLocale.getLanguage());
if (siteLanguages.contains(langOnlyLocale)) {
addLocale(site, newLocaleList, langOnlyLocale);
}
}
}
String language = DEFAULT_LOCALE;
if (!newLocaleList.isEmpty()) {
language = newLocaleList.get(0).toString();
} else if (site!=null){
language = site.getDefaultLanguage();
} else if (!StringUtils.isEmpty(SettingsBean.getInstance().getDefaultLanguageCode())) {
language = SettingsBean.getInstance().getDefaultLanguageCode();
}
return language;
}
private void addLocale(final JCRSiteNode site, final List<Locale> newLocaleList, final Locale curLocale) {
try {
JCRTemplate.getInstance().doExecuteWithSystemSession(null,
Constants.LIVE_WORKSPACE,curLocale,new JCRCallback<Object>() {
public Object doInJCR(JCRSessionWrapper session) throws RepositoryException {
try {
if(site!=null) {
JCRSiteNode nodeByIdentifier = (JCRSiteNode) session.getNodeByIdentifier(site.getIdentifier());
JCRNodeWrapper home = nodeByIdentifier.getHome();
if (home!=null && !newLocaleList.contains(curLocale)) {
newLocaleList.add(curLocale);
}
}
} catch (RepositoryException e) {
logger.debug("This site does not have a published home in language "+curLocale,e);
}
return null; //To change body of implemented methods use File | Settings | File Templates.
}
});
} catch (RepositoryException e) {
logger.error(e.getMessage(), e);
}
}
}