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.filters.audit;
016    
017    import com.liferay.portal.kernel.audit.AuditRequestThreadLocal;
018    import com.liferay.portal.kernel.servlet.TryFilter;
019    import com.liferay.portal.kernel.util.WebKeys;
020    import com.liferay.portal.servlet.filters.BasePortalFilter;
021    
022    import javax.servlet.http.HttpServletRequest;
023    import javax.servlet.http.HttpServletResponse;
024    import javax.servlet.http.HttpSession;
025    
026    /**
027     * @author Michael C. Han
028     * @author Brian Wing Shun Chan
029     */
030    public class AuditFilter extends BasePortalFilter implements TryFilter {
031    
032            @Override
033            public Object doFilterTry(
034                            HttpServletRequest request, HttpServletResponse response)
035                    throws Exception {
036    
037                    AuditRequestThreadLocal auditRequestThreadLocal =
038                            AuditRequestThreadLocal.getAuditThreadLocal();
039    
040                    auditRequestThreadLocal.setClientHost(request.getRemoteHost());
041                    auditRequestThreadLocal.setClientIP(request.getRemoteAddr());
042                    auditRequestThreadLocal.setQueryString(request.getQueryString());
043    
044                    HttpSession session = request.getSession();
045    
046                    Long userId = (Long)session.getAttribute(WebKeys.USER_ID);
047    
048                    if (userId != null) {
049                            auditRequestThreadLocal.setRealUserId(userId.longValue());
050                    }
051    
052                    auditRequestThreadLocal.setRequestURL(
053                            request.getRequestURL().toString());
054                    auditRequestThreadLocal.setServerName(request.getServerName());
055                    auditRequestThreadLocal.setServerPort(request.getServerPort());
056                    auditRequestThreadLocal.setSessionID(session.getId());
057    
058                    return null;
059            }
060    
061    }