HttpSessionDestroyedEventListener.java

/*
 * Copyright 2010-2025 James Pether Sörling
 *
 * 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.
 *
 *  $Id$
 *  $HeadURL$
*/
package com.hack23.cia.web.impl.ui.application.web.listener;

import java.util.ArrayList;
import java.util.Collection;

import javax.servlet.http.HttpSession;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.security.authentication.AnonymousAuthenticationToken;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.session.HttpSessionDestroyedEvent;
import org.springframework.stereotype.Service;

import com.hack23.cia.service.api.ApplicationManager;
import com.hack23.cia.service.api.action.application.DestroyApplicationSessionRequest;

/**
 * The Class HttpSessionDestroyedEventListener.
 *
 * @see HttpSessionDestroyedEventEvent
 */
@Service
public final class HttpSessionDestroyedEventListener implements ApplicationListener<HttpSessionDestroyedEvent> {

    /** The Constant KEY. */
    private static final String KEY = "HttpSessionDestroyedEventListener";

    /** The Constant LOG_MSG_SESSION_DESTROYED_SESSION_ID. */
    private static final String LOG_MSG_SESSION_DESTROYED_SESSION_ID = "Session destroyed SESSION_ID :{}";

    /** The Constant LOGGER. */
    private static final Logger LOGGER = LoggerFactory.getLogger(HttpSessionDestroyedEventListener.class);

    /** The Constant PRINCIPAL. */
    private static final String PRINCIPAL = "AnonymousUser";

    /** The Constant ROLE_ANONYMOUS. */
    private static final String ROLE_ANONYMOUS = "ROLE_ANONYMOUS";

    /** The application manager. */
    @Autowired
    private ApplicationManager applicationManager;

    /**
     * Instantiates a new http session destroyed event listener.
     */
    public HttpSessionDestroyedEventListener() {
        super();
    }

    @Override
    public void onApplicationEvent(final HttpSessionDestroyedEvent event) {
        final HttpSession httpSession = event.getSession();
        final Collection<SimpleGrantedAuthority> authorities = new ArrayList<>();
        authorities.add(new SimpleGrantedAuthority(ROLE_ANONYMOUS));
        final DestroyApplicationSessionRequest destroyApplicationSessionRequest = new DestroyApplicationSessionRequest();
        destroyApplicationSessionRequest.setSessionId(httpSession.getId());

        SecurityContextHolder.getContext()
                .setAuthentication(new AnonymousAuthenticationToken(KEY, PRINCIPAL, authorities));
        applicationManager.service(destroyApplicationSessionRequest);
        SecurityContextHolder.getContext().setAuthentication(null);

        LOGGER.info(LOG_MSG_SESSION_DESTROYED_SESSION_ID, httpSession.getId());
    }

}