- // 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);
- 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"; }