/*
* Adito
*
* Copyright (C) 2003-2006 3SP LTD. 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package com.adito.language.actions;
import java.util.Locale;
import java.util.StringTokenizer;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.Globals;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.adito.boot.SystemProperties;
import com.adito.core.CoreException;
import com.adito.core.CoreUtil;
import com.adito.core.ErrorConstants;
import com.adito.core.actions.DefaultAction;
import com.adito.security.SessionInfo;
import com.adito.vfs.webdav.DAVUtilities;
/**
* Action to set the default per session locale.
*/
public class SelectLanguageAction extends DefaultAction {
final static Log log = LogFactory.getLog(SelectLanguageAction.class);
/*
* (non-Javadoc)
*
* @see com.adito.core.actions.AuthenticatedAction#onExecute(org.apache.struts.action.ActionMapping,
* org.apache.struts.action.ActionForm,
* javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse)
*/
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
throws Exception {
String referer = DAVUtilities.encodePath(CoreUtil.getRequestReferer(request), false);
if(referer == null) {
throw new CoreException(ErrorConstants.ERR_MISSING_REQUEST_PARAMETER, ErrorConstants.CATEGORY_NAME, "referer");
}
String localeCode = request.getParameter("locale");
if(localeCode == null) {
throw new CoreException(ErrorConstants.ERR_MISSING_REQUEST_PARAMETER, ErrorConstants.CATEGORY_NAME, "locale");
}
/* Tokenize the locale parameter so we only get the first line. This prevents
* a header injection exploit as the (not validated) locale gets added as
* a cookie.
*/
StringTokenizer t = new StringTokenizer(localeCode);
String locale = t.nextToken();
// Parse the locale code
String country = "";
String variant = "";
String lang = locale;
int idx = locale.indexOf("_");
if(idx != -1) {
country = lang.substring(idx + 1);
lang = lang.substring(0, idx);
}
idx = country.indexOf('_');
if(idx != -1) {
variant = country.substring(idx + 1);
country = country.substring(0, idx);
}
// Store the new locale in the session and set a persistant cookie
Locale l = new Locale(lang, country, variant);
request.getSession().setAttribute(Globals.LOCALE_KEY, l);
Cookie cookie = new Cookie(SystemProperties.get("adito.cookie", "SSLX_SSESHID") + "_LANG", locale.toString());
cookie.setMaxAge(60 * 60 * 24 * 7); // a week
cookie.setPath("/");
cookie.setSecure(true);
response.addCookie(cookie);
return referer == null ? mapping.findForward("home") : new ActionForward(referer, true);
}
/*
* (non-Javadoc)
*
* @see com.adito.core.actions.CoreAction#getNavigationContext(org.apache.struts.action.ActionMapping,
* org.apache.struts.action.ActionForm,
* javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse)
*/
public int getNavigationContext(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
return SessionInfo.ALL_CONTEXTS;
}
}