-import java.io.*;
-import java.util.*;
-import java.net.*;
-import java.lang.reflect.*;
-import javax.servlet.*;
-import javax.servlet.http.*;
-import java.sql.*;
-
-import freemarker.template.*;
-
-import mir.misc.*;
-import mir.servlet.*;
-
-import mircoders.servlet.*;
-import mircoders.module.*;
-import mircoders.entity.*;
-import mircoders.storage.*;
-
-/**
- * Mir.java - main servlet, that dispatches to servletmodules
+/*
+ * Copyright (C) 2001-2006 The Mir-coders group
*
- * @author RK 1999-2001
+ * This file is part of Mir.
*
+ * Mir 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
+ * (at your option) any later version.
+ *
+ * Mir 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 Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
*/
+import mir.bundle.Bundle;
+import mir.config.MirPropertiesConfiguration;
+import mir.servlet.AbstractServlet;
+import mir.servlet.AdminServletModule;
+import mir.servlet.ServletModuleExc;
+import mir.servlet.ServletModuleUserExc;
+import mir.util.ExceptionRoutines;
+import mir.util.StringRoutines;
+import mircoders.entity.EntityUsers;
+import mircoders.global.MirGlobal;
+import mircoders.module.ModuleUsers;
+import mircoders.servlet.ServletHelper;
+import multex.Failure;
+
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.UnavailableException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import javax.servlet.http.HttpSessionBindingEvent;
+import javax.servlet.http.HttpSessionBindingListener;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+
+public class Mir extends AbstractServlet {
+ private static ModuleUsers usersModule = null;
+ private static Locale fallbackLocale = null;
+
+ private static List loginLanguages = null;
+
+ private List getLoginLanguages() throws Failure {
+ synchronized (Mir.class) {
+ try {
+ if (loginLanguages == null) {
+ List languages =
+ StringRoutines.splitString(MirGlobal.config().getString("Mir.Login.Languages", "en"), ";");
+
+ loginLanguages = new ArrayList();
+
+ Iterator i = languages.iterator();
-public class Mir extends AbstractServlet
-{
+ while (i.hasNext()) {
+ String code = (String) i.next();
- private static ModuleUsers usersModule=null;
- private static ModuleMessage messageModule=null;
- private static boolean confed=false;
+ Bundle bundle =
+ MirGlobal.getBundleFactory().getBundle("etc/bundles/adminlocal", new String[] { code });
+ Bundle defaultBundle =
+ MirGlobal.getBundleFactory().getBundle("bundles/admin", new String[] { code });
+ String name = bundle.getValue("languagename", Collections.EMPTY_LIST);
- public void doGet(HttpServletRequest req, HttpServletResponse res)
- throws ServletException, IOException {
- doPost(req,res);
- }
+ if (name == null) {
+ name = defaultBundle.getValue("languagename", Collections.EMPTY_LIST);
+ }
- public void doPost(HttpServletRequest req, HttpServletResponse res)
- throws ServletException, IOException {
+ if (name == null) {
+ name = code;
+ }
+
+ Map record = new HashMap();
+ record.put("name", name);
+ record.put("code", code);
+ loginLanguages.add(record);
+ }
+ }
+
+ return loginLanguages;
+ }
+ catch (Throwable t) {
+ throw new Failure("Error while retrieving the available login languages", t);
+ }
+ }
+ }
+
+ public void init(ServletConfig config) throws ServletException {
+ super.init(config);
+
+ usersModule = new ModuleUsers();
+ }
+
+ protected String getDefaultLanguage(HttpServletRequest aRequest) {
+ String defaultlanguage =
+ MirGlobal.config().getString("Mir.Login.DefaultLanguage", "");
+
+ if (defaultlanguage.length() == 0) {
+ Locale locale = aRequest.getLocale();
+ defaultlanguage = locale.getLanguage();
+ }
- long startTime = (new java.util.Date()).getTime();
- Class theServletModule;
- ServletModule smod;
- long sessionConnectTime=0;
- String http="";
+ return defaultlanguage;
+ }
- // get the configration
- if (!confed){
- confed = getConfig(req);
+ protected synchronized Locale getFallbackLocale() throws ServletException {
+ try {
+ if (fallbackLocale == null) {
+ fallbackLocale = new Locale(MirPropertiesConfiguration.instance().getString("Mir.Admin.FallbackLanguage", "en"), "");
+ }
}
+ catch (Throwable t) {
+ throw new ServletException(t.getMessage());
+ }
+
+ return fallbackLocale;
+ }
+
+ public EntityUsers checkCredentials(HttpServletRequest aRequest) throws ServletException {
+ try {
+ EntityUsers user = ServletHelper.getUser(aRequest);
+ String username = aRequest.getParameter("login");
+ String password = aRequest.getParameter("password");
- if (req.getServerPort() == 443) http="https"; else http="http";
- res.setContentType("text/html");
- String moduleName = req.getParameter("module");
- HttpSession session = req.getSession(true);
+ if (username != null && password != null) {
+ user = usersModule.getUserForLogin(username, password);
+
+ if (user!=null) {
+ ServletHelper.setUser(aRequest, user);
+ usersModule.recordLogin(user);
+ aRequest.getSession().setAttribute("sessiontracker", new SessionTracker(username, user.getId()));
+ }
+ }
- if(session.getAttribute("Language")==null){
- setLanguage(req,getAcceptLanguage(req));
+ return user;
}
+ catch (Throwable t) {
+ throw new ServletException(t.getMessage());
+ }
+ }
+
+ public void process(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletException, IOException, UnavailableException {
+ try {
+ long startTime = System.currentTimeMillis();
+ long sessionConnectTime = 0;
+
+ HttpSession session = aRequest.getSession(true);
+ setNoCaching(aResponse);
+ aResponse.setContentType("text/html; charset=" +
+ configuration.
+ getString("Mir.DefaultHTMLCharset", "UTF-8"));
+
+ EntityUsers userEntity = checkCredentials(aRequest);
- // Authentifizierung
- if (moduleName!=null && moduleName.equals("login")) {
- String user=req.getParameter("login");
- String passwd= req.getParameter("password");
- String lang = req.getParameter("lang");
- theLog.printDebugInfo("--login: evaluating for user: "+user);
- EntityUsers userEntity = allowedUser(user,passwd);
- if (userEntity==null) {
- // login failed: redirecting to login
- theLog.printWarning("--login: failed!");
- _sendLoginPage(req,res.getWriter());
- return;
- } else {
- // login successful
+ if (userEntity == null) {
+ String queryString = aRequest.getQueryString();
- //if accept-language!=selected language change language
- if(!getLanguage(req).equals(lang)){
- setLanguage(req,lang);
+ if ( (queryString != null) && (queryString.length() != 0) && session.getAttribute("login.target") == null &&
+ (aRequest.getParameter("module")==null ||
+ (!aRequest.getParameter("module").equals("login") && !aRequest.getParameter("module").equals("logout")))) {
+ session.setAttribute("login.target", queryString);
}
- theLog.printInfo("--login: successful! setting uid: " + userEntity.getId());
- session.setAttribute("login.uid", userEntity);
- theLog.printDebugInfo("--login: trying to retrieve login.target");
- String target = (String)session.getAttribute("login.target");
- if (target != null) {
- theLog.printDebugInfo("Redirect: "+target);
- res.getWriter().println("<html><head><meta http-equiv=refresh content=\0421;URL="
- + res.encodeURL(http +"://" + req.getServerName()+ target)
- + "\"></head><body>going " + target + "</body></html>");
- } else {
- // redirecting to default target
- //theLog.printDebugInfo("--login: no target - redirecting to default");
- _sendStartPage(req, res.getWriter(),userEntity);
- }
- return;
- } // if login succesful
- } // if login
-
- if (moduleName!=null && moduleName.equals("logout")) {
- theLog.printDebugInfo("--logout");
- session.invalidate();
- _sendLoginPage(req,res.getWriter());
- return;
- }
-
- // Check if authed!
- EntityUsers userEntity = (EntityUsers)session.getAttribute("login.uid");
- if (userEntity == null) {
- // redirect to loginpage
- String redirectString = req.getRequestURI();
- if (req.getQueryString()!=null) redirectString += "?" + req.getQueryString();
- theLog.printDebugInfo("STORING: " + redirectString);
- session.setAttribute("login.target", redirectString);
- _sendLoginPage(req,res.getWriter());
- return;
- }
-
- // Bei blossem Serveltaufruf redirect auf Standardstarttemplate
- if (moduleName == null || moduleName.equals("")) {
- _sendStartPage(req, res.getWriter(),userEntity);
- return;
- }
-
- //From now on normal Dispatching...
- try {
- try {
- theServletModule = Class.forName("mir.servlet.ServletModule" + moduleName);
- } catch (ClassNotFoundException e) {
- // searching Servlet webdb.servlet-classes
- theServletModule = Class.forName("webdb.servlet.ServletModule" + moduleName);
- }
- //Instanciate the ServletModule
- Method m = theServletModule.getMethod("getInstance",null);
- smod = (ServletModule)m.invoke(null,null);
- ServletModuleDispatch.dispatch(smod,req,res);
- }
- catch (NoSuchMethodException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " getInstance() nicht gefunden."); }
- catch (InvocationTargetException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " target nicht gefunden."); }
- catch (ClassNotFoundException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
- catch (IllegalArgumentException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
- catch (ServletModuleException e){ handleError(res.getWriter(), "ServletException in Module ServletModule" + moduleName + " -- " + e.toString()); }
- catch (IllegalAccessException e){
- handleError(res.getWriter(), "Kein Zugriff auf Klasse ServletModule" + moduleName + " -- " + e.toString()); }
-
- // timing...
- sessionConnectTime = new java.util.Date().getTime() - startTime;
- theLog.printInfo("EXECTIME (" + moduleName + "): " + sessionConnectTime + " ms");
- }
-
- private void handleError(PrintWriter out, String errorString) {
- try {
- theLog.printError(errorString);
- SimpleHash modelRoot = new SimpleHash();
- modelRoot.put("errorstring", new SimpleScalar(errorString));
- modelRoot.put("date", new SimpleScalar(StringUtil.date2readableDateTime(new GregorianCalendar())));
- HTMLTemplateProcessor.process(Configuration.getProperty("Mir.ErrorTemplate"),modelRoot,out);
- out.close();
- }
- catch (Exception e) {
- System.err.println("Fehler in ErrorTemplate");
- }
- }
-
- /**
- * evaluate login for user / password
- */
- protected EntityUsers allowedUser(String user, String password) {
- try {
- if (usersModule == null) usersModule = new ModuleUsers(DatabaseUsers.getInstance());
- return usersModule.getUserForLogin(user, password);
- }
- catch(Exception e) { theLog.printDebugInfo(e.toString()); return null; }
- }
-
- // Redirect-methods
- private void _sendLoginPage(HttpServletRequest req, PrintWriter out) {
- String loginTemplate = "login.template";
- try {
- theLog.printDebugInfo("login: "+lang);
- if(lang==null){
- lang=getAcceptLanguage(req);
- }
- HTMLTemplateProcessor.process(lang+"/"+loginTemplate, new SimpleHash(), out);
- } catch(HTMLParseException e) {
- handleError( out, "fehler in logintemplate.");
- }
- }
-
- private void _sendStartPage(HttpServletRequest req,PrintWriter out, EntityUsers userEntity) {
- String startTemplate = "start_admin.template";
- try {
- // merge with logged in user and messages
- SimpleHash mergeData = new SimpleHash();
- mergeData.put("login_user", HTMLTemplateProcessor.makeSimpleHash(userEntity));
- if (messageModule == null) messageModule = new ModuleMessage(DatabaseMessages.getInstance());
- mergeData.put("messages", HTMLTemplateProcessor.makeSimpleList(messageModule.getByWhereClause(null, "webdb_create desc",0,10)));
- HTMLTemplateProcessor.process(getLanguage(req)+"/"+startTemplate, mergeData,out);
- }
- catch(Exception e) {
- handleError( out, "error while trying to send startpage. " + e.toString());
- }
- }
-
- public String getServletInfo(){ return "Mir 1.0 rev02 multilanguage"; }
+ _sendLoginPage(aResponse, aRequest);
+ }
+ else {
+ String moduleName = aRequest.getParameter("module");
+ checkLanguage(session, aRequest);
-}
+ if ( ( (moduleName == null) || moduleName.equals(""))) {
+ moduleName="Admin";
+ }
+
+ if (moduleName.equals("login")) {
+ String target = (String) session.getAttribute("login.target");
+ if (target != null) {
+ ServletHelper.redirect(aResponse, target);
+ }
+ else {
+ ServletHelper.redirect(aResponse, "");
+ }
+ }
+ else if (moduleName.equals("logout")) {
+ logger.info(userEntity.getFieldValue("login") + " has logged out");
+ session.invalidate();
+ _sendLoginPage(aResponse, aRequest);
+ return;
+ }
+ else {
+ try {
+ AdminServletModule servletModule = getServletModuleForName(moduleName);
+ servletModule.handleRequest(aRequest, aResponse);
+
+ sessionConnectTime = System.currentTimeMillis() - startTime;
+ logger.info("EXECTIME (" + moduleName + "): " + sessionConnectTime + " ms");
+ }
+ catch (Throwable e) {
+ Throwable cause = ExceptionRoutines.traceCauseException(e);
+
+ if (cause instanceof ServletModuleUserExc)
+ handleUserError(aRequest, aResponse, (ServletModuleUserExc) cause);
+ else
+ handleError(aRequest, aResponse, cause);
+ }
+
+ if (aRequest.getParameter("killsession")!=null)
+ aRequest.getSession().invalidate();
+ }
+ }
+ }
+ catch (Throwable t) {
+ throw new ServletException(t.toString());
+ }
+ }
+
+ /**
+ * caching routine to get a module for a module name
+ *
+ * @param aModuleName the module name
+ * @return the requested module
+ * @throws ServletModuleExc
+ */
+ private static AdminServletModule getServletModuleForName(String aModuleName) throws ServletModuleExc {
+ return ServletHelper.getServletModule(aModuleName);
+ }
+
+ private void handleUserError(HttpServletRequest aRequest, HttpServletResponse aResponse, ServletModuleUserExc anException) {
+ try {
+ logger.info("user error: " + anException.getMessage());
+
+ Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, new Locale[] {getLocale(aRequest), getFallbackLocale()});
+
+ Bundle bundle =
+ MirGlobal.getBundleFactory().getBundle("etc/bundles/adminlocal", new
+ String[] { getLocale(aRequest).getLanguage() });
+ Bundle defaultBundle =
+ MirGlobal.getBundleFactory().getBundle("bundles/admin", new
+ String[] { getLocale(aRequest).getLanguage() });
+ String message =
+ bundle.getValue(anException.getMessage(), Arrays.asList(anException.getParameters()));
+
+ if (message==null) {
+ message =
+ defaultBundle.getValue(anException.getMessage(), Arrays.asList(anException.getParameters()));
+ }
+
+ responseData.put("errorstring", message);
+ responseData.put("date", new GregorianCalendar().getTime());
+
+ ServletHelper.generateResponse(aResponse.getWriter(), responseData, MirPropertiesConfiguration.instance().getString("Mir.UserErrorTemplate"));
+ }
+ catch (Throwable e) {
+ logger.error("Error handling user error" + e.toString());
+ }
+ }
+
+ private void handleError(HttpServletRequest aRequest, HttpServletResponse aResponse, Throwable anException) {
+ try {
+ logger.error("error: " + anException);
+
+ Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, new Locale[] {getLocale(aRequest), getFallbackLocale()});
+
+ responseData.put("errorstring", anException.toString());
+ StringWriter writer = new StringWriter();
+ anException.printStackTrace(new PrintWriter(writer));
+ responseData.put("stacktrace", writer.toString());
+ responseData.put("date", new GregorianCalendar().getTime());
+
+ ServletHelper.generateResponse(aResponse.getWriter(), responseData, MirPropertiesConfiguration.instance().getString("Mir.ErrorTemplate"));
+ }
+ catch (Throwable e) {
+ logger.error("Error handling error: " + e.toString());
+
+ try {
+ Throwable rootException = ExceptionRoutines.traceCauseException(anException);
+
+ PrintWriter writer = aResponse.getWriter();
+ writer.println("<html><head><title>FATAL Error</title><body>");
+ writer.println("<h1>" + rootException.toString()+"</h1>");
+ writer.println("<code>");
+ rootException.printStackTrace(writer);
+ writer.println("</code>");
+ writer.println("</body></html>");
+ writer.close();
+ }
+ catch (Throwable t) {
+
+ }
+ }
+ }
+
+ // Redirect-methods
+ private void _sendLoginPage(HttpServletResponse aResponse, HttpServletRequest aRequest) {
+ String loginTemplate = configuration.getString("Mir.LoginTemplate");
+
+ try {
+ Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, new Locale[] {getLocale(aRequest), getFallbackLocale()});
+
+ responseData.put("defaultlanguage", getDefaultLanguage(aRequest));
+ responseData.put("languages", getLoginLanguages());
+
+ ServletHelper.generateResponse(aResponse.getWriter(), responseData, loginTemplate);
+ }
+ catch (Throwable e) {
+ handleError(aRequest, aResponse, e);
+ }
+ }
+
+ public String getServletInfo() {
+ return "Mir " + configuration.getString("Mir.Version");
+ }
+
+ private class SessionTracker implements HttpSessionBindingListener {
+ private String name;
+ private String id;
+
+ public SessionTracker(String aUserName, String anId) {
+ name = aUserName;
+ id = anId;
+ }
+
+ public void valueBound(HttpSessionBindingEvent anEvent) {
+ MirGlobal.registerLogin(name, id);
+ }
+
+ public void valueUnbound(HttpSessionBindingEvent anEvent) {
+ MirGlobal.registerLogout(name, id);
+ }
+ }
+}