/*
* $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/admin/ForumAdminServlet.java,v 1.23 2008/01/29 08:09:17 minhnn Exp $
* $Author: minhnn $
* $Revision: 1.23 $
* $Date: 2008/01/29 08:09:17 $
*
* ====================================================================
*
* Copyright (C) 2002-2007 by MyVietnam.net
*
* All copyright notices regarding mvnForum MUST remain
* intact in the scripts and in the outputted HTML.
* The "powered by" text/logo with a link back to
* http://www.mvnForum.com and http://www.MyVietnam.net in
* the footer of the pages MUST remain visible when the pages
* are viewed on the internet or intranet.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Support can be obtained from support forums at:
* http://www.mvnForum.com/mvnforum/index
*
* Correspondence and Marketing Questions can be sent to:
* info at MyVietnam net
*
* @author: Minh Nguyen
* @author: Mai Nguyen
*/
package com.mvnforum.admin;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.*;
import net.myvietnam.mvncore.exception.FloodException;
import net.myvietnam.mvncore.filter.UserAgentFilter;
import net.myvietnam.mvncore.security.FloodControl;
import net.myvietnam.mvncore.service.*;
import net.myvietnam.mvncore.service.impl.MvnCoreLifeCycleServiceImplDefault;
import net.myvietnam.mvncore.util.I18nUtil;
import net.myvietnam.mvncore.util.ParamUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.mvnforum.MVNForumConfig;
import com.mvnforum.MVNForumGlobal;
import com.mvnforum.auth.*;
import com.mvnforum.service.*;
import com.mvnforum.service.impl.MvnForumLifeCycleServiceImplDefault;
public class ForumAdminServlet extends HttpServlet {
private static Log log = LogFactory.getLog(ForumAdminServlet.class);
private static int count = 0;
private ModuleProcessor adminModuleProcessor = null;
private MvnForumInfoService mvnForumInfo = MvnForumServiceFactory.getMvnForumService().getMvnForumInfoService();
private IPFilterService ipFilterService = MvnCoreServiceFactory.getMvnCoreService().getIPFilterService();
private EnvironmentService environmentService = MvnCoreServiceFactory.getMvnCoreService().getEnvironmentService();
/**Initialize global variables*/
public void init() throws ServletException {
adminModuleProcessor = MvnForumServiceFactory.getMvnForumService().getModuleProcessorService().getAdminModuleProcessor();
// sometimes the processor need to access the ServletContext by current Servlet
adminModuleProcessor.setServlet(this);
if (MvnCoreLifeCycleServiceImplDefault.isCalled() == false) {
environmentService.setShouldRun(false, "MvnCoreLifeCycleServiceImplDefault has not been called");
}
if (MvnForumLifeCycleServiceImplDefault.isCalled() == false) {
environmentService.setShouldRun(false, "MvnForumLifeCycleServiceImplDefault has not been called");
}
log.info("<<---- ForumAdminServlet has been inited. Detailed info: " + mvnForumInfo.getProductVersion() + " (Build: " + mvnForumInfo.getProductReleaseDate() + ") ---->>");
}
/**Process the HTTP Get request*/
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
process(request, response);
}
/**Process the HTTP Post request*/
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
process(request, response);
}
public void process(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
long startTime = 0;
if (log.isDebugEnabled()) {
startTime = System.currentTimeMillis();
}
count++;
try {
String currentIP = request.getRemoteAddr();
// Control the HTTP request, we dont want user to try too many request
try {
FloodControl.ensureNotReachMaximum(MVNForumGlobal.FLOOD_ID_HTTP_REQUEST_PER_IP, currentIP);
} catch (FloodException fe) {
getServletContext().getRequestDispatcher("/mvnplugin/mvnforum/max_http_request.jsp").forward(request, response);
return;
}
FloodControl.increaseCount(MVNForumGlobal.FLOOD_ID_HTTP_REQUEST_PER_IP, currentIP);
request.setCharacterEncoding("utf-8");
String responseURI = null;
if (ipFilterService.filter(request) == false) {
getServletContext().getRequestDispatcher("/mvnplugin/mvnforum/404.jsp").forward(request, response);
return;
}
if (UserAgentFilter.filter(request) == false) {
getServletContext().getRequestDispatcher("/mvnplugin/mvnforum/404.jsp").forward(request, response);
return;
}
// This will make sure that the user information is put in
// the request.
OnlineUserManager onlineUserManager = OnlineUserManager.getInstance();
OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
OnlineUserAction action = onlineUser.getOnlineUserAction();
if (action.getRemoteAddr().equals(currentIP) == false) {
// we will forward if this user is logged in, and ignore if he is Guest
if (onlineUser.isMember() && MVNForumConfig.getEnableCheckInvalidSession()) {
request.getRequestDispatcher("/mvnplugin/mvnforum/invalidsession.jsp").forward(request, response);
return;
}
}
String localeName = ParamUtil.getParameter(request, MVNForumConfig.getLocaleParameterName());
if (MVNForumConfig.supportLocale(localeName)) {
onlineUser.setLocaleName(localeName);
}
I18nUtil.setLocaleInRequest(request, onlineUser.getLocale());
// this method should not throw Exception (it must catch all Exceptions)
responseURI = adminModuleProcessor.process(request, response);
//this IF ensures we don't try to redirect if already committed output
if ( (null!=responseURI) && (!response.isCommitted()) ) {
if (responseURI.startsWith("http://") || responseURI.startsWith("https://")) {
response.sendRedirect(responseURI);
} else {
if (responseURI.endsWith(".jsp")) {
request.getRequestDispatcher(responseURI).forward(request, response);
} else {
response.sendRedirect(request.getContextPath() + responseURI);
}
}
}
} catch (AuthenticationException e) {
//do nothing, because onlineUserManager.getOnlineUser(request); could throw this exception
} catch (Throwable e) {
// so it should never go here
log.error("Error assertion", e);
} finally {
if (log.isDebugEnabled()) {
long processTime = System.currentTimeMillis() - startTime;
log.debug("ForumAdminServlet processed " + count + " times. Took " + processTime + " milliseconds.\n");
}
}
}// process
/**
* Clean up resources
*/
public void destroy() {
log.info("<<---- ForumAdminServlet has been destroyed. ---->>");
}
}
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