4 import java.lang.reflect.*;
5 import javax.servlet.*;
6 import javax.servlet.http.*;
9 import freemarker.template.*;
14 import mircoders.servlet.*;
15 import mircoders.module.*;
16 import mircoders.entity.*;
17 import mircoders.storage.*;
20 * Mir.java - main servlet, that dispatches to servletmodules
22 * @author RK 1999-2001
27 public class Mir extends AbstractServlet
30 private static ModuleUsers usersModule=null;
31 private static ModuleMessage messageModule=null;
32 private static boolean confed=false;
35 public void doGet(HttpServletRequest req, HttpServletResponse res)
36 throws ServletException, IOException {
40 public void doPost(HttpServletRequest req, HttpServletResponse res)
41 throws ServletException, IOException {
43 long startTime = (new java.util.Date()).getTime();
44 Class theServletModule;
46 long sessionConnectTime=0;
49 // get the configration
51 confed = getConfig(req);
54 HttpSession session = req.getSession(true);
56 if (req.getServerPort() == 443) http="https"; else http="http";
57 res.setContentType("text/html");
58 String moduleName = req.getParameter("module");
61 if(session.getAttribute("Language")==null){
62 setLanguage(req,getAcceptLanguage(req));
66 if (moduleName!=null && moduleName.equals("login")) {
67 String user=req.getParameter("login");
68 String passwd= req.getParameter("password");
69 String lang = req.getParameter("lang");
70 theLog.printDebugInfo("--login: evaluating for user: "+user);
71 EntityUsers userEntity = allowedUser(user,passwd);
72 if (userEntity==null) {
73 // login failed: redirecting to login
74 theLog.printWarning("--login: failed!");
75 _sendLoginPage(res,req,res.getWriter());
80 //if accept-language!=selected language change language
81 if(!getLanguage(req).equals(lang)){
82 setLanguage(req,lang);
85 theLog.printInfo("--login: successful! setting uid: " + userEntity.getId());
86 session.setAttribute("login.uid", userEntity);
87 theLog.printDebugInfo("--login: trying to retrieve login.target");
88 String target = (String)session.getAttribute("login.target");
90 theLog.printDebugInfo("Redirect: "+target);
91 int serverPort = req.getServerPort();
94 redirect = "<html><head><meta http-equiv=refresh content=\0421;URL="
95 + res.encodeURL(http +"://" + req.getServerName() + target)
96 + "\"></head><body>going " + target + "</body></html>";
98 redirect = "<html><head><meta http-equiv=refresh content=\0421;URL="
99 + res.encodeURL(http +"://" + req.getServerName() +":"+ serverPort + target)
100 + "\"></head><body>going " + target + "</body></html>";
102 //res.getWriter().println(redirect);
104 res.encodeRedirectURL(http + "://" + req.getServerName()
105 + ":" +req.getServerPort() + target);
108 theLog.printDebugInfo("testurl: "+res.encodeURL(""));
109 theLog.printDebugInfo("querystring: "+req.getQueryString());
110 // redirecting to default target
111 //theLog.printDebugInfo("--login: no target - redirecting to default");
112 _sendStartPage(res,req, res.getWriter(),userEntity);
115 } // if login succesful
118 if (moduleName!=null && moduleName.equals("logout")) {
119 theLog.printDebugInfo("--logout");
120 session.invalidate();
121 _sendLoginPage(res,req,res.getWriter());
126 EntityUsers userEntity = (EntityUsers)session.getAttribute("login.uid");
127 if (userEntity == null) {
128 // redirect to loginpage
129 String redirectString = req.getRequestURI();
130 if (req.getQueryString()!=null) redirectString += "?" + req.getQueryString();
131 theLog.printDebugInfo("STORING: " + redirectString);
132 session.setAttribute("login.target", redirectString);
133 _sendLoginPage(res,req,res.getWriter());
137 // Bei blossem Serveltaufruf redirect auf Standardstarttemplate
138 if (moduleName == null || moduleName.equals("")) {
139 _sendStartPage(res,req, res.getWriter(),userEntity);
143 //From now on normal Dispatching...
146 theServletModule = Class.forName("mircoders.servlet.ServletModule" + moduleName);
147 } catch (ClassNotFoundException e) {
148 // searching Servlet webdb.servlet-classes
149 theServletModule = Class.forName("mir.servlet.ServletModule" + moduleName);
151 //Instanciate the ServletModule
152 Method m = theServletModule.getMethod("getInstance",null);
153 smod = (ServletModule)m.invoke(null,null);
154 ServletModuleDispatch.dispatch(smod,req,res);
156 catch (NoSuchMethodException e) { handleError( res,res.getWriter(), "ServletModule" + moduleName + " getInstance() nicht gefunden."); }
157 catch (InvocationTargetException e) { handleError( res,res.getWriter(), "ServletModule" + moduleName + " target nicht gefunden."); }
158 catch (ClassNotFoundException e) { handleError(res, res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
159 catch (IllegalArgumentException e) { handleError( res,res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
160 catch (ServletModuleException e){ handleError(res,res.getWriter(), "ServletException in Module ServletModule" + moduleName + " -- " + e.toString()); }
161 catch (IllegalAccessException e){
162 handleError(res,res.getWriter(), "Kein Zugriff auf Klasse ServletModule" + moduleName + " -- " + e.toString()); }
165 sessionConnectTime = new java.util.Date().getTime() - startTime;
166 theLog.printInfo("EXECTIME (" + moduleName + "): " + sessionConnectTime + " ms");
169 private void handleError(HttpServletResponse res, PrintWriter out, String errorString) {
171 theLog.printError(errorString);
172 SimpleHash modelRoot = new SimpleHash();
173 modelRoot.put("errorstring", new SimpleScalar(errorString));
174 modelRoot.put("date", new SimpleScalar(StringUtil.date2readableDateTime(new GregorianCalendar())));
175 HTMLTemplateProcessor.process(res,Configuration.getProperty("Mir.ErrorTemplate"),modelRoot,out);
178 catch (Exception e) {
179 System.err.println("Fehler in ErrorTemplate");
184 * evaluate login for user / password
186 protected EntityUsers allowedUser(String user, String password) {
188 if (usersModule == null) usersModule = new ModuleUsers(DatabaseUsers.getInstance());
189 return usersModule.getUserForLogin(user, password);
191 catch(Exception e) { theLog.printDebugInfo(e.toString()); return null; }
195 private void _sendLoginPage(HttpServletResponse res,HttpServletRequest req, PrintWriter out) {
196 String loginTemplate = "login.template";
198 theLog.printDebugInfo("login: "+lang);
200 lang=getAcceptLanguage(req);
202 HTMLTemplateProcessor.process(res,lang+"/"+loginTemplate, new SimpleHash(), out);
203 } catch(HTMLParseException e) {
204 handleError(res, out, "fehler in logintemplate.");
208 private void _sendStartPage(HttpServletResponse res, HttpServletRequest req,PrintWriter out, EntityUsers userEntity) {
209 String startTemplate = "start_admin.template";
210 String sessionUrl=res.encodeURL("");
211 theLog.printDebugInfo("testurl: "+sessionUrl);
213 // merge with logged in user and messages
214 SimpleHash mergeData = new SimpleHash();
215 mergeData.put("session",sessionUrl);
216 mergeData.put("login_user", HTMLTemplateProcessor.makeSimpleHash(userEntity));
217 if (messageModule == null) messageModule = new ModuleMessage(DatabaseMessages.getInstance());
218 mergeData.put("messages", HTMLTemplateProcessor.makeSimpleList(messageModule.getByWhereClause(null, "webdb_create desc",0,10)));
219 HTMLTemplateProcessor.process(res,getLanguage(req)+"/"+startTemplate, mergeData,out);
222 handleError( res,out, "error while trying to send startpage. " + e.toString());
226 public String getServletInfo(){ return "Mir 1.0 rev02 multilanguage"; }