001: /*
002: * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/admin/ForumAdminServlet.java,v 1.23 2008/01/29 08:09:17 minhnn Exp $
003: * $Author: minhnn $
004: * $Revision: 1.23 $
005: * $Date: 2008/01/29 08:09:17 $
006: *
007: * ====================================================================
008: *
009: * Copyright (C) 2002-2007 by MyVietnam.net
010: *
011: * All copyright notices regarding mvnForum MUST remain
012: * intact in the scripts and in the outputted HTML.
013: * The "powered by" text/logo with a link back to
014: * http://www.mvnForum.com and http://www.MyVietnam.net in
015: * the footer of the pages MUST remain visible when the pages
016: * are viewed on the internet or intranet.
017: *
018: * This program is free software; you can redistribute it and/or modify
019: * it under the terms of the GNU General Public License as published by
020: * the Free Software Foundation; either version 2 of the License, or
021: * any later version.
022: *
023: * This program is distributed in the hope that it will be useful,
024: * but WITHOUT ANY WARRANTY; without even the implied warranty of
025: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
026: * GNU General Public License for more details.
027: *
028: * You should have received a copy of the GNU General Public License
029: * along with this program; if not, write to the Free Software
030: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
031: *
032: * Support can be obtained from support forums at:
033: * http://www.mvnForum.com/mvnforum/index
034: *
035: * Correspondence and Marketing Questions can be sent to:
036: * info at MyVietnam net
037: *
038: * @author: Minh Nguyen
039: * @author: Mai Nguyen
040: */
041: package com.mvnforum.admin;
042:
043: import java.io.IOException;
044:
045: import javax.servlet.ServletException;
046: import javax.servlet.http.*;
047:
048: import net.myvietnam.mvncore.exception.FloodException;
049: import net.myvietnam.mvncore.filter.UserAgentFilter;
050: import net.myvietnam.mvncore.security.FloodControl;
051: import net.myvietnam.mvncore.service.*;
052: import net.myvietnam.mvncore.service.impl.MvnCoreLifeCycleServiceImplDefault;
053: import net.myvietnam.mvncore.util.I18nUtil;
054: import net.myvietnam.mvncore.util.ParamUtil;
055:
056: import org.apache.commons.logging.Log;
057: import org.apache.commons.logging.LogFactory;
058:
059: import com.mvnforum.MVNForumConfig;
060: import com.mvnforum.MVNForumGlobal;
061: import com.mvnforum.auth.*;
062: import com.mvnforum.service.*;
063: import com.mvnforum.service.impl.MvnForumLifeCycleServiceImplDefault;
064:
065: public class ForumAdminServlet extends HttpServlet {
066:
067: private static Log log = LogFactory.getLog(ForumAdminServlet.class);
068:
069: private static int count = 0;
070:
071: private ModuleProcessor adminModuleProcessor = null;
072: private MvnForumInfoService mvnForumInfo = MvnForumServiceFactory
073: .getMvnForumService().getMvnForumInfoService();
074: private IPFilterService ipFilterService = MvnCoreServiceFactory
075: .getMvnCoreService().getIPFilterService();
076: private EnvironmentService environmentService = MvnCoreServiceFactory
077: .getMvnCoreService().getEnvironmentService();
078:
079: /**Initialize global variables*/
080: public void init() throws ServletException {
081: adminModuleProcessor = MvnForumServiceFactory
082: .getMvnForumService().getModuleProcessorService()
083: .getAdminModuleProcessor();
084: // sometimes the processor need to access the ServletContext by current Servlet
085: adminModuleProcessor.setServlet(this );
086:
087: if (MvnCoreLifeCycleServiceImplDefault.isCalled() == false) {
088: environmentService
089: .setShouldRun(false,
090: "MvnCoreLifeCycleServiceImplDefault has not been called");
091: }
092:
093: if (MvnForumLifeCycleServiceImplDefault.isCalled() == false) {
094: environmentService
095: .setShouldRun(false,
096: "MvnForumLifeCycleServiceImplDefault has not been called");
097: }
098:
099: log
100: .info("<<---- ForumAdminServlet has been inited. Detailed info: "
101: + mvnForumInfo.getProductVersion()
102: + " (Build: "
103: + mvnForumInfo.getProductReleaseDate()
104: + ") ---->>");
105: }
106:
107: /**Process the HTTP Get request*/
108: public void doGet(HttpServletRequest request,
109: HttpServletResponse response) throws ServletException,
110: IOException {
111: process(request, response);
112: }
113:
114: /**Process the HTTP Post request*/
115: public void doPost(HttpServletRequest request,
116: HttpServletResponse response) throws ServletException,
117: IOException {
118: process(request, response);
119: }
120:
121: public void process(HttpServletRequest request,
122: HttpServletResponse response) throws IOException,
123: ServletException {
124:
125: long startTime = 0;
126: if (log.isDebugEnabled()) {
127: startTime = System.currentTimeMillis();
128: }
129: count++;
130: try {
131: String currentIP = request.getRemoteAddr();
132:
133: // Control the HTTP request, we dont want user to try too many request
134: try {
135: FloodControl.ensureNotReachMaximum(
136: MVNForumGlobal.FLOOD_ID_HTTP_REQUEST_PER_IP,
137: currentIP);
138: } catch (FloodException fe) {
139: getServletContext().getRequestDispatcher(
140: "/mvnplugin/mvnforum/max_http_request.jsp")
141: .forward(request, response);
142: return;
143: }
144: FloodControl.increaseCount(
145: MVNForumGlobal.FLOOD_ID_HTTP_REQUEST_PER_IP,
146: currentIP);
147:
148: request.setCharacterEncoding("utf-8");
149: String responseURI = null;
150:
151: if (ipFilterService.filter(request) == false) {
152: getServletContext().getRequestDispatcher(
153: "/mvnplugin/mvnforum/404.jsp").forward(request,
154: response);
155: return;
156: }
157: if (UserAgentFilter.filter(request) == false) {
158: getServletContext().getRequestDispatcher(
159: "/mvnplugin/mvnforum/404.jsp").forward(request,
160: response);
161: return;
162: }
163:
164: // This will make sure that the user information is put in
165: // the request.
166: OnlineUserManager onlineUserManager = OnlineUserManager
167: .getInstance();
168: OnlineUser onlineUser = onlineUserManager
169: .getOnlineUser(request);
170: OnlineUserAction action = onlineUser.getOnlineUserAction();
171:
172: if (action.getRemoteAddr().equals(currentIP) == false) {
173: // we will forward if this user is logged in, and ignore if he is Guest
174: if (onlineUser.isMember()
175: && MVNForumConfig
176: .getEnableCheckInvalidSession()) {
177: request.getRequestDispatcher(
178: "/mvnplugin/mvnforum/invalidsession.jsp")
179: .forward(request, response);
180: return;
181: }
182: }
183:
184: String localeName = ParamUtil.getParameter(request,
185: MVNForumConfig.getLocaleParameterName());
186: if (MVNForumConfig.supportLocale(localeName)) {
187: onlineUser.setLocaleName(localeName);
188: }
189: I18nUtil
190: .setLocaleInRequest(request, onlineUser.getLocale());
191:
192: // this method should not throw Exception (it must catch all Exceptions)
193: responseURI = adminModuleProcessor.process(request,
194: response);
195: //this IF ensures we don't try to redirect if already committed output
196: if ((null != responseURI) && (!response.isCommitted())) {
197: if (responseURI.startsWith("http://")
198: || responseURI.startsWith("https://")) {
199: response.sendRedirect(responseURI);
200: } else {
201: if (responseURI.endsWith(".jsp")) {
202: request.getRequestDispatcher(responseURI)
203: .forward(request, response);
204: } else {
205: response.sendRedirect(request.getContextPath()
206: + responseURI);
207: }
208: }
209: }
210: } catch (AuthenticationException e) {
211: //do nothing, because onlineUserManager.getOnlineUser(request); could throw this exception
212: } catch (Throwable e) {
213: // so it should never go here
214: log.error("Error assertion", e);
215: } finally {
216: if (log.isDebugEnabled()) {
217: long processTime = System.currentTimeMillis()
218: - startTime;
219: log.debug("ForumAdminServlet processed " + count
220: + " times. Took " + processTime
221: + " milliseconds.\n");
222: }
223: }
224: }// process
225:
226: /**
227: * Clean up resources
228: */
229: public void destroy() {
230: log.info("<<---- ForumAdminServlet has been destroyed. ---->>");
231: }
232: }
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