001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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            public Object doFilterTry(
033                            HttpServletRequest request, HttpServletResponse response)
034                    throws Exception {
035    
036                    AuditRequestThreadLocal auditRequestThreadLocal =
037                            AuditRequestThreadLocal.getAuditThreadLocal();
038    
039                    auditRequestThreadLocal.setClientHost(request.getRemoteHost());
040                    auditRequestThreadLocal.setClientIP(request.getRemoteAddr());
041                    auditRequestThreadLocal.setQueryString(request.getQueryString());
042    
043                    HttpSession session = request.getSession();
044    
045                    Long userId = (Long)session.getAttribute(WebKeys.USER_ID);
046    
047                    if (userId != null) {
048                            auditRequestThreadLocal.setRealUserId(userId.longValue());
049                    }
050    
051                    auditRequestThreadLocal.setRequestURL(
052                            request.getRequestURL().toString());
053                    auditRequestThreadLocal.setServerName(request.getServerName());
054                    auditRequestThreadLocal.setServerPort(request.getServerPort());
055                    auditRequestThreadLocal.setSessionID(session.getId());
056    
057                    return null;
058            }
059    
060    }