X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2FMir.java;h=8548153aa545a773281e763927522c7c17af94ee;hb=7b7cb06705db7d44ee5522b611fa3096e5766ce7;hp=88183f482ef9707a8fbd47be598b334beda6c452;hpb=303c010339cb8afb3bbce24ea1fd8b9dcf729cb2;p=mir.git diff --git a/source/Mir.java b/source/Mir.java index 88183f48..8548153a 100755 --- a/source/Mir.java +++ b/source/Mir.java @@ -1,219 +1,367 @@ -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.*; +/* + * Copyright (C) 2001, 2002 The Mir-coders group + * + * 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 the com.oreilly.servlet library, any library + * licensed under the Apache Software License, The Sun (tm) Java Advanced + * Imaging library (JAI), The Sun JIMI library (or with modified versions of + * the above that use the same license as the above), 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.misc.*; +import freemarker.template.SimpleHash; +import freemarker.template.SimpleScalar; +import mir.misc.HTMLParseException; +import mir.misc.HTMLTemplateProcessor; +import mir.misc.MirConfig; +import mir.misc.StringUtil; import mir.servlet.*; +import mircoders.entity.EntityUsers; +import mircoders.module.ModuleMessage; +import mircoders.module.ModuleUsers; +import mircoders.storage.DatabaseMessages; +import mircoders.storage.DatabaseUsers; -import mircoders.servlet.*; -import mircoders.module.*; -import mircoders.entity.*; -import mircoders.storage.*; +import javax.servlet.ServletException; +import javax.servlet.UnavailableException; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.servlet.http.HttpSession; +import java.io.IOException; +import java.io.PrintWriter; +import java.lang.reflect.Method; +import java.util.GregorianCalendar; +import java.util.HashMap; +import java.util.Locale; /** - * Mir.java - main servlet, that dispatches to servletmodules + * Mir.java - main servlet, that dispatches to servletmodules * - * @author RK 1999-2001 + * @author $Author: mh $ + * @version $Revision: 1.17.2.4 $ $Date: 2002/12/10 09:02:22 $ * */ -public class Mir extends AbstractServlet -{ +public class Mir extends AbstractServlet { + + private static ModuleUsers usersModule = null; + private static ModuleMessage messageModule = null; + private final static HashMap servletModuleInstanceHash = new HashMap(); - private static ModuleUsers usersModule=null; - private static ModuleMessage messageModule=null; - private static boolean confed=false; + private static boolean nameSet = false; + public HttpSession session; - public void doGet(HttpServletRequest req, HttpServletResponse res) - throws ServletException, IOException { - doPost(req,res); - } + public void doGet(HttpServletRequest req, HttpServletResponse res) + throws ServletException, IOException { + doPost(req, res); + } - public void doPost(HttpServletRequest req, HttpServletResponse res) - throws ServletException, IOException { + public void doPost(HttpServletRequest req, HttpServletResponse res) + throws ServletException, IOException, UnavailableException { - long startTime = (new java.util.Date()).getTime(); - Class theServletModule; - ServletModule smod; - long sessionConnectTime=0; - String http=""; + long startTime = System.currentTimeMillis(); + long sessionConnectTime = 0; + String http = ""; - // get the configration - if (!confed){ - confed = getConfig(req); - } + // get the configration - this could conflict if 2 mirs are in the + // VM maybe? to be checked. -mh + if (getServletContext().getAttribute("mir.confed") == null) { + getConfig(req); + } + + if (!nameSet) { + MirConfig.setAdminServletName(getServletName()); + nameSet = true; + } + session = req.getSession(true); - if (req.getServerPort() == 443) http="https"; else http="http"; - res.setContentType("text/html"); - String moduleName = req.getParameter("module"); - HttpSession session = req.getSession(true); + if (req.getServerPort() == 443) http = "https"; else http = "http"; - if(session.getAttribute("Language")==null){ - setLanguage(req,getAcceptLanguage(req)); - } + //make sure client browsers don't cache anything + setNoCaching(res); - // 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 accept-language!=selected language change language - if(!getLanguage(req).equals(lang)){ - setLanguage(req,lang); - } - - 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); - int serverPort = req.getServerPort(); - String redirect = ""; - if(serverPort==80){ - redirect = "going " + target + ""; - } else { - redirect = "going " + target + ""; - } - res.getWriter().println(redirect); - } 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; - } + res.setContentType("text/html; charset=" + +MirConfig.getProp("Mir.DefaultEncoding")); + String moduleName = req.getParameter("module"); - // 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; - } + checkLanguage(session, req); - // Bei blossem Serveltaufruf redirect auf Standardstarttemplate - if (moduleName == null || moduleName.equals("")) { - _sendStartPage(req, res.getWriter(),userEntity); - return; + /** @todo for cleanup and readability this should be moved to + * method loginIfNecessary() */ + + // Authentifizierung + if (moduleName != null && moduleName.equals("login")) { + String user = req.getParameter("login"); + String passwd = req.getParameter("password"); + 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(res, req, res.getWriter()); + return; + } + else { + // login successful + + 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); + int serverPort = req.getServerPort(); + String redirect = ""; + String redirectString = ""; + + + if (serverPort == 80) { + redirect = res.encodeURL(http + "://" + req.getServerName() + target); + redirectString = "going Mir"; + } + else { + redirect = res.encodeURL(http + "://" + req.getServerName() + ":" + req.getServerPort() + target); + redirectString = "going Mir"; + } + res.getWriter().println(redirectString); + + + //res.sendRedirect(redirect); + + } + else { + // redirecting to default target + theLog.printDebugInfo("--login: no target - redirecting to default"); + _sendStartPage(res, req, res.getWriter(), userEntity); + } + return; + } // if login succesful + } // if login + + if (moduleName != null && moduleName.equals("logout")) { + theLog.printDebugInfo("--logout"); + session.invalidate(); + + //session = req.getSession(true); + //checkLanguage(session, req); + _sendLoginPage(res, req, res.getWriter()); + return; + } + + // Check if authed! + EntityUsers userEntity = (EntityUsers) session.getAttribute("login.uid"); + if (userEntity == null) { + // redirect to loginpage + String redirectString = req.getRequestURI(); + String queryString = req.getQueryString(); + if (queryString != null && !queryString.equals("")) { + redirectString += "?" + req.getQueryString(); + theLog.printDebugInfo("STORING: " + redirectString); + session.setAttribute("login.target", redirectString); + } + _sendLoginPage(res, req, res.getWriter()); + return; + } + + // If no module is specified goto standard startpage + if (moduleName == null || moduleName.equals("")) { + theLog.printDebugInfo("no module: redirect to standardpage"); + _sendStartPage(res, req, res.getWriter(), userEntity); + return; + } + // end of auth + + // From now on regular dispatching... + try { + // get servletmodule by parameter and continue with dispacher + ServletModule smod = getServletModuleForName(moduleName); + ServletModuleDispatch.dispatch(smod, req, res); + } + catch (ServletModuleException e) { + handleError(req, res, res.getWriter(), + "ServletException in Module " + moduleName + " -- " + e.toString()); + } + catch (ServletModuleUserException e) { + handleUserError(req, res, res.getWriter(), e.getMsg()); + } + + // timing... + sessionConnectTime = System.currentTimeMillis() - startTime; + theLog.printInfo("EXECTIME (" + moduleName + "): " + sessionConnectTime + " ms"); } - //From now on normal Dispatching... - try { - try { - theServletModule = Class.forName("mircoders.servlet.ServletModule" + moduleName); - } catch (ClassNotFoundException e) { - // searching Servlet webdb.servlet-classes - theServletModule = Class.forName("mir.servlet.ServletModule" + moduleName); - } - //Instanciate the ServletModule - Method m = theServletModule.getMethod("getInstance",null); - smod = (ServletModule)m.invoke(null,null); - ServletModuleDispatch.dispatch(smod,req,res); + + /** + * Private method getServletModuleForName returns ServletModule + * from Cache + * + * @return ServletModule + * + */ + private static ServletModule getServletModuleForName(String moduleName) + throws ServletModuleException { + + // Instance in Map ? + if (!servletModuleInstanceHash.containsKey(moduleName)) { + // was not found in hash... + try { + Class theServletModuleClass = null; + try { + // first we try to get ServletModule from stern.che3.servlet + theServletModuleClass = Class.forName("mircoders.servlet.ServletModule" + moduleName); + } + catch (ClassNotFoundException e) { + // on failure, we try to get it from lib-layer + theServletModuleClass = Class.forName("mir.servlet.ServletModule" + moduleName); + } + Method m = theServletModuleClass.getMethod("getInstance", null); + ServletModule smod = (ServletModule) m.invoke(null, null); + // we put it into map for further reference + servletModuleInstanceHash.put(moduleName, smod); + return smod; + } + catch (Exception e) { + throw new ServletModuleException("*** error resolving classname for " + + moduleName + " -- " + e.toString()); + } + } + else + return (ServletModule) servletModuleInstanceHash.get(moduleName); } - 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(); + + + private void handleError(HttpServletRequest req, HttpServletResponse res, + 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(res, MirConfig.getProp("Mir.ErrorTemplate"), modelRoot, out, getLocale(req)); + out.close(); + } + catch (Exception e) { + System.err.println("Error in ErrorTemplate"); + } } - catch (Exception e) { - System.err.println("Fehler in ErrorTemplate"); + + private void handleUserError(HttpServletRequest req, HttpServletResponse res, + 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(res, MirConfig.getProp("Mir.UserErrorTemplate"), + modelRoot, out, getLocale(req)); + out.close(); + } + catch (Exception e) { + System.err.println("Fehler in UserErrorTemplate"); + } + } - } - - /** - * 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); + + /** + * 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()); + e.printStackTrace(); + return null; + } } - 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."); + + // Redirect-methods + private void _sendLoginPage(HttpServletResponse res, HttpServletRequest req, PrintWriter out) { + String loginTemplate = MirConfig.getProp("Mir.LoginTemplate");//"login.template"; + // theLog.printDebugInfo("login template: "+loginTemplate); + String sessionUrl = res.encodeURL(""); + //session = req.getSession(true); + try { + //theLog.printDebugInfo("login: "+lang); + //if(lang==null){ + // lang=getAcceptLanguage(req); + //} + SimpleHash mergeData = new SimpleHash(); + mergeData.put("session", sessionUrl); + HTMLTemplateProcessor.process(res, loginTemplate, mergeData, out, getLocale(req)); + } + catch (HTMLParseException e) { + handleError(req, res, out, "Error 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); + + private void _sendStartPage(HttpServletResponse res, HttpServletRequest req, PrintWriter out, EntityUsers userEntity) { + String startTemplate = "admin/start_admin.template"; + String sessionUrl = res.encodeURL(""); + try { + // merge with logged in user and messages + SimpleHash mergeData = new SimpleHash(); + mergeData.put("session", sessionUrl); + mergeData.put("login_user", userEntity); + if (messageModule == null) messageModule = new ModuleMessage(DatabaseMessages.getInstance()); + mergeData.put("messages", messageModule.getByWhereClause(null, "webdb_create desc", 0, 10)); + HTMLTemplateProcessor.process(res, startTemplate, mergeData, out, getLocale(req)); + } + catch (Exception e) { + handleError(req, res, out, "error while trying to send startpage. " + e.toString()); + } } - catch(Exception e) { - handleError( out, "error while trying to send startpage. " + e.toString()); + + public String getServletInfo() { + return "Mir "+MirConfig.getProp("Mir.Version"); } - } - public String getServletInfo(){ return "Mir 1.0 rev02 multilanguage"; } + private void checkLanguage(HttpSession session, HttpServletRequest req) { + // a lang parameter always sets the language + String lang = req.getParameter("lang"); + if (lang != null) { + theLog.printInfo("selected language "+lang+" overrides accept-language"); + setLanguage(session, lang); + setLocale(session, new Locale(lang, "")); + } + // otherwise store language from accept header in session + else if (session.getAttribute("Language") == null) { + theLog.printInfo("accept-language is "+req.getLocale().getLanguage()); + setLanguage(session, req.getLocale().getLanguage()); + setLocale(session, req.getLocale()); + } + } }