001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.servlet;
016    
017    import com.liferay.portal.events.EventsProcessorUtil;
018    import com.liferay.portal.kernel.cluster.ClusterExecutorUtil;
019    import com.liferay.portal.kernel.cluster.ClusterNode;
020    import com.liferay.portal.kernel.events.ActionException;
021    import com.liferay.portal.kernel.json.JSONFactoryUtil;
022    import com.liferay.portal.kernel.json.JSONObject;
023    import com.liferay.portal.kernel.log.Log;
024    import com.liferay.portal.kernel.log.LogFactoryUtil;
025    import com.liferay.portal.kernel.messaging.DestinationNames;
026    import com.liferay.portal.kernel.messaging.MessageBusUtil;
027    import com.liferay.portal.kernel.servlet.PortalSessionContext;
028    import com.liferay.portal.kernel.util.BasePortalLifecycle;
029    import com.liferay.portal.kernel.util.PropsKeys;
030    import com.liferay.portal.kernel.util.Validator;
031    import com.liferay.portal.security.auth.AuthenticatedUserUUIDStoreUtil;
032    import com.liferay.portal.service.CompanyLocalServiceUtil;
033    import com.liferay.portal.util.PropsValues;
034    import com.liferay.portal.util.WebKeys;
035    
036    import javax.servlet.http.HttpSession;
037    import javax.servlet.http.HttpSessionEvent;
038    
039    import org.apache.struts.Globals;
040    
041    /**
042     * @author Michael Young
043     */
044    public class PortalSessionDestroyer extends BasePortalLifecycle {
045    
046            public PortalSessionDestroyer(HttpSessionEvent httpSessionEvent) {
047                    _httpSessionEvent = httpSessionEvent;
048    
049                    registerPortalLifecycle(METHOD_INIT);
050            }
051    
052            @Override
053            protected void doPortalDestroy() {
054            }
055    
056            @Override
057            protected void doPortalInit() {
058                    if (PropsValues.SESSION_DISABLED) {
059                            return;
060                    }
061    
062                    HttpSession session = _httpSessionEvent.getSession();
063    
064                    PortalSessionContext.remove(session.getId());
065    
066                    try {
067                            Long userIdObj = (Long)session.getAttribute(WebKeys.USER_ID);
068    
069                            if (userIdObj == null) {
070                                    if (_log.isWarnEnabled()) {
071                                            _log.warn("User id is not in the session");
072                                    }
073                            }
074    
075                            if (userIdObj == null) {
076                                    return;
077                            }
078    
079                            // Language
080    
081                            session.removeAttribute(Globals.LOCALE_KEY);
082    
083                            // Live users
084    
085                            if (PropsValues.LIVE_USERS_ENABLED) {
086                                    JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
087    
088                                    ClusterNode clusterNode =
089                                            ClusterExecutorUtil.getLocalClusterNode();
090    
091                                    if (clusterNode != null) {
092                                            jsonObject.put(
093                                                    "clusterNodeId", clusterNode.getClusterNodeId());
094                                    }
095    
096                                    jsonObject.put("command", "signOut");
097    
098                                    long userId = userIdObj.longValue();
099    
100                                    long companyId = CompanyLocalServiceUtil.getCompanyIdByUserId(
101                                            userId);
102    
103                                    jsonObject.put("companyId", companyId);
104                                    jsonObject.put("sessionId", session.getId());
105                                    jsonObject.put("userId", userId);
106    
107                                    MessageBusUtil.sendMessage(
108                                            DestinationNames.LIVE_USERS, jsonObject.toString());
109                            }
110    
111                            String userUUID = (String)session.getAttribute(WebKeys.USER_UUID);
112    
113                            if (Validator.isNotNull(userUUID)) {
114                                    AuthenticatedUserUUIDStoreUtil.unregister(userUUID);
115                            }
116                    }
117                    catch (IllegalStateException ise) {
118                            if (_log.isWarnEnabled()) {
119                                    _log.warn(
120                                            "Please upgrade to a Servlet 2.4 compliant container");
121                            }
122                    }
123                    catch (Exception e) {
124                            _log.error(e, e);
125                    }
126    
127                    // Process session destroyed events
128    
129                    try {
130                            EventsProcessorUtil.process(
131                                    PropsKeys.SERVLET_SESSION_DESTROY_EVENTS,
132                                    PropsValues.SERVLET_SESSION_DESTROY_EVENTS, session);
133                    }
134                    catch (ActionException ae) {
135                            _log.error(ae, ae);
136                    }
137            }
138    
139            private static Log _log = LogFactoryUtil.getLog(
140                    PortalSessionDestroyer.class);
141    
142            private HttpSessionEvent _httpSessionEvent;
143    
144    }