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);
55 if (req.getServerPort() == 443) http="https"; else http="http";
56 res.setContentType("text/html");
57 String moduleName = req.getParameter("module");
58 HttpSession session = req.getSession(true);
60 if(session.getAttribute("Language")==null){
61 setLanguage(req,getAcceptLanguage(req));
65 if (moduleName!=null && moduleName.equals("login")) {
66 String user=req.getParameter("login");
67 String passwd= req.getParameter("password");
68 String lang = req.getParameter("lang");
69 theLog.printDebugInfo("--login: evaluating for user: "+user);
70 EntityUsers userEntity = allowedUser(user,passwd);
71 if (userEntity==null) {
72 // login failed: redirecting to login
73 theLog.printWarning("--login: failed!");
74 _sendLoginPage(req,res.getWriter());
79 //if accept-language!=selected language change language
80 if(!getLanguage(req).equals(lang)){
81 setLanguage(req,lang);
84 theLog.printInfo("--login: successful! setting uid: " + userEntity.getId());
85 session.setAttribute("login.uid", userEntity);
86 theLog.printDebugInfo("--login: trying to retrieve login.target");
87 String target = (String)session.getAttribute("login.target");
89 theLog.printDebugInfo("Redirect: "+target);
90 int serverPort = req.getServerPort();
93 redirect = "<html><head><meta http-equiv=refresh content=\0421;URL="
94 + res.encodeURL(http +"://" + req.getServerName() + target)
95 + "\"></head><body>going " + target + "</body></html>";
97 redirect = "<html><head><meta http-equiv=refresh content=\0421;URL="
98 + res.encodeURL(http +"://" + req.getServerName() +":"+ serverPort + target)
99 + "\"></head><body>going " + target + "</body></html>";
101 res.getWriter().println(redirect);
103 // redirecting to default target
104 //theLog.printDebugInfo("--login: no target - redirecting to default");
105 _sendStartPage(req, res.getWriter(),userEntity);
108 } // if login succesful
111 if (moduleName!=null && moduleName.equals("logout")) {
112 theLog.printDebugInfo("--logout");
113 session.invalidate();
114 _sendLoginPage(req,res.getWriter());
119 EntityUsers userEntity = (EntityUsers)session.getAttribute("login.uid");
120 if (userEntity == null) {
121 // redirect to loginpage
122 String redirectString = req.getRequestURI();
123 if (req.getQueryString()!=null) redirectString += "?" + req.getQueryString();
124 theLog.printDebugInfo("STORING: " + redirectString);
125 session.setAttribute("login.target", redirectString);
126 _sendLoginPage(req,res.getWriter());
130 // Bei blossem Serveltaufruf redirect auf Standardstarttemplate
131 if (moduleName == null || moduleName.equals("")) {
132 _sendStartPage(req, res.getWriter(),userEntity);
136 //From now on normal Dispatching...
139 theServletModule = Class.forName("mircoders.servlet.ServletModule" + moduleName);
140 } catch (ClassNotFoundException e) {
141 // searching Servlet webdb.servlet-classes
142 theServletModule = Class.forName("mir.servlet.ServletModule" + moduleName);
144 //Instanciate the ServletModule
145 Method m = theServletModule.getMethod("getInstance",null);
146 smod = (ServletModule)m.invoke(null,null);
147 ServletModuleDispatch.dispatch(smod,req,res);
149 catch (NoSuchMethodException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " getInstance() nicht gefunden."); }
150 catch (InvocationTargetException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " target nicht gefunden."); }
151 catch (ClassNotFoundException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
152 catch (IllegalArgumentException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
153 catch (ServletModuleException e){ handleError(res.getWriter(), "ServletException in Module ServletModule" + moduleName + " -- " + e.toString()); }
154 catch (IllegalAccessException e){
155 handleError(res.getWriter(), "Kein Zugriff auf Klasse ServletModule" + moduleName + " -- " + e.toString()); }
158 sessionConnectTime = new java.util.Date().getTime() - startTime;
159 theLog.printInfo("EXECTIME (" + moduleName + "): " + sessionConnectTime + " ms");
162 private void handleError(PrintWriter out, String errorString) {
164 theLog.printError(errorString);
165 SimpleHash modelRoot = new SimpleHash();
166 modelRoot.put("errorstring", new SimpleScalar(errorString));
167 modelRoot.put("date", new SimpleScalar(StringUtil.date2readableDateTime(new GregorianCalendar())));
168 HTMLTemplateProcessor.process(Configuration.getProperty("Mir.ErrorTemplate"),modelRoot,out);
171 catch (Exception e) {
172 System.err.println("Fehler in ErrorTemplate");
177 * evaluate login for user / password
179 protected EntityUsers allowedUser(String user, String password) {
181 if (usersModule == null) usersModule = new ModuleUsers(DatabaseUsers.getInstance());
182 return usersModule.getUserForLogin(user, password);
184 catch(Exception e) { theLog.printDebugInfo(e.toString()); return null; }
188 private void _sendLoginPage(HttpServletRequest req, PrintWriter out) {
189 String loginTemplate = "login.template";
191 theLog.printDebugInfo("login: "+lang);
193 lang=getAcceptLanguage(req);
195 HTMLTemplateProcessor.process(lang+"/"+loginTemplate, new SimpleHash(), out);
196 } catch(HTMLParseException e) {
197 handleError( out, "fehler in logintemplate.");
201 private void _sendStartPage(HttpServletRequest req,PrintWriter out, EntityUsers userEntity) {
202 String startTemplate = "start_admin.template";
204 // merge with logged in user and messages
205 SimpleHash mergeData = new SimpleHash();
206 mergeData.put("login_user", HTMLTemplateProcessor.makeSimpleHash(userEntity));
207 if (messageModule == null) messageModule = new ModuleMessage(DatabaseMessages.getInstance());
208 mergeData.put("messages", HTMLTemplateProcessor.makeSimpleList(messageModule.getByWhereClause(null, "webdb_create desc",0,10)));
209 HTMLTemplateProcessor.process(getLanguage(req)+"/"+startTemplate, mergeData,out);
212 handleError( out, "error while trying to send startpage. " + e.toString());
216 public String getServletInfo(){ return "Mir 1.0 rev02 multilanguage"; }