/*
*
* Copyright 2013 Entando S.r.l. (http://www.entando.com) All rights reserved.
*
* This file is part of Entando software.
* Entando is a free software;
* You can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation; version 2.
*
* See the file License for the specific language governing permissions
* and limitations under the License
*
*
*
* Copyright 2013 Entando S.r.l. (http://www.entando.com) All rights reserved.
*
*/
package com.agiletec.plugins.jpsurvey.aps.internalservlet.system;
import java.util.List;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import com.agiletec.aps.system.SystemConstants;
import com.agiletec.aps.system.common.FieldSearchFilter;
import com.agiletec.aps.system.exception.ApsSystemException;
import com.agiletec.aps.system.services.user.UserDetails;
import com.agiletec.aps.util.ApsWebApplicationUtils;
import com.agiletec.plugins.jpsurvey.aps.system.services.SurveySystemConstants;
import com.agiletec.plugins.jpsurvey.aps.system.services.collect.IVoterManager;
import com.agiletec.plugins.jpsurvey.aps.system.services.collect.model.Voter;
import com.agiletec.plugins.jpsurvey.aps.system.services.survey.model.SurveyRecord;
/**
* @author E.Santoboni
*/
public class CheckVotingUtil {
public static boolean isSurveyVoted(SurveyRecord surveyInfo, HttpServletRequest request) throws Throwable {
boolean checkCookie = false;
if (surveyInfo.isCheckCookie()) {
checkCookie = isVotedByCookie(surveyInfo, request);
}
boolean checkIpAddress = false;
if (surveyInfo.isCheckIpAddress()) {
checkIpAddress = isVotedByIpAddressAndUser(surveyInfo, request);
}
boolean checkUsername = false;
if (surveyInfo.isCheckUsername()) {
checkUsername = isVotedByUser(surveyInfo, request);
}
return (checkCookie || checkIpAddress || checkUsername);
}
private static boolean isVotedByCookie(SurveyRecord surveyInfo, HttpServletRequest request) {
Cookie[] cookies = request.getCookies();
if (null == cookies) return false;
UserDetails currentUser = (UserDetails) request.getSession().getAttribute(SystemConstants.SESSIONPARAM_CURRENT_USER);
String expectedCookieName = getCookieName(currentUser.getUsername(), surveyInfo.getId());
String expectedCookieValue = getCookieValue(currentUser.getUsername(), surveyInfo.getId());
for (int i=0; i<cookies.length; i++) {
Cookie cookie = cookies[i];
if (cookie.getName().equals(expectedCookieName) && cookie.getValue().equals(expectedCookieValue)) {
return true;
}
}
return false;
}
private static boolean isVotedByIpAddressAndUser(SurveyRecord surveyInfo, HttpServletRequest request) throws ApsSystemException {
String remoteAddress = request.getRemoteAddr();
IVoterManager voterManager = (IVoterManager) ApsWebApplicationUtils.getBean(SurveySystemConstants.SURVEY_VOTER_MANAGER, request);
UserDetails currentUser = (UserDetails) request.getSession().getAttribute(SystemConstants.SESSIONPARAM_CURRENT_USER);
Voter voter = voterManager.getVoter(currentUser.getUsername(), remoteAddress, surveyInfo.getId());
return (voter != null);
}
private static boolean isVotedByUser(SurveyRecord surveyInfo, HttpServletRequest request) throws ApsSystemException {
//String remoteAddress = request.getRemoteAddr();
IVoterManager voterManager = (IVoterManager) ApsWebApplicationUtils.getBean(SurveySystemConstants.SURVEY_VOTER_MANAGER, request);
UserDetails currentUser = (UserDetails) request.getSession().getAttribute(SystemConstants.SESSIONPARAM_CURRENT_USER);
FieldSearchFilter usernameFilter = new FieldSearchFilter((IVoterManager.FIELD_USERNAME), currentUser.getUsername(), false);
FieldSearchFilter surveyIdFilter = new FieldSearchFilter((IVoterManager.FIELD_SURVEY_ID), new Integer(surveyInfo.getId()), false);
FieldSearchFilter[] filters = new FieldSearchFilter[]{usernameFilter, surveyIdFilter};
List<Integer> voters = voterManager.searchVoters(filters);
return (null != voters && !voters.isEmpty());
}
public static String getCookieName(String username, int surveyId) {
return "jpsurvey_" + username + "_" + surveyId + "_NAME";
}
public static String getCookieValue(String username, int surveyId) {
return "jpsurvey_" + username + "_" + surveyId + "_VALUE";
}
}