com.remediatetheflag.global.servlets.SessionListener.java Source code

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Here is the source code for com.remediatetheflag.global.servlets.SessionListener.java

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/*
 *  
 * REMEDIATE THE FLAG
 * Copyright 2018 - Andrea Scaduto 
 * remediatetheflag@gmail.com
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package com.remediatetheflag.global.servlets;

import java.util.Date;

import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;

import org.apache.commons.codec.digest.DigestUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.remediatetheflag.global.model.User;
import com.remediatetheflag.global.model.UserAuthenticationEvent;
import com.remediatetheflag.global.persistence.HibernatePersistenceFacade;
import com.remediatetheflag.global.utils.Constants;

public class SessionListener implements HttpSessionListener {

    private HibernatePersistenceFacade hpc = new HibernatePersistenceFacade();
    private static Logger logger = LoggerFactory.getLogger(SessionListener.class);

    @Override
    public void sessionCreated(HttpSessionEvent sessionEvent) {
    }

    @Override
    public void sessionDestroyed(HttpSessionEvent sessionEvent) {
        User user = (User) sessionEvent.getSession().getAttribute(Constants.ATTRIBUTE_SECURITY_CONTEXT);
        if (null != user) {
            logger.debug("Session Listener: session destroyed for user: " + user.getUsername());
            UserAuthenticationEvent attempt = new UserAuthenticationEvent();
            attempt.setLogoutDate(new Date());
            attempt.setUsername(user.getUsername());
            attempt.setSessionIdHash(DigestUtils.sha256Hex(sessionEvent.getSession().getId()));
            hpc.addLogoutEvent(attempt);
        }
    }
}