import java.lang.reflect.*;
import javax.servlet.*;
import javax.servlet.http.*;
+import javax.servlet.UnavailableException;
import java.sql.*;
import freemarker.template.*;
import mir.misc.*;
import mir.servlet.*;
+import mir.storage.StorageObjectException;
import mircoders.servlet.*;
import mircoders.module.*;
*/
-public class Mir extends AbstractServlet
-{
+public class Mir extends AbstractServlet {
- private static ModuleUsers usersModule=null;
- private static ModuleMessage messageModule=null;
- private static boolean confed=false;
- public HttpSession session;
+ private static ModuleUsers usersModule=null;
+ private static ModuleMessage messageModule=null;
+ private final static HashMap servletModuleInstanceHash = new HashMap();
+ public HttpSession session;
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
}
public void doPost(HttpServletRequest req, HttpServletResponse res)
- throws ServletException, IOException {
+ throws ServletException, IOException, UnavailableException {
- long startTime = (new java.util.Date()).getTime();
- Class theServletModule;
- ServletModule smod;
+ long startTime = System.currentTimeMillis();
long sessionConnectTime=0;
String http="";
// get the configration
- if (!confed){
- confed = getConfig(req);
+ if(getServletContext().getAttribute("mir.confed") == null) {
+ getConfig(req);
}
+ MirConfig.setServletName(getServletName());
session = req.getSession(true);
-
+
if (req.getServerPort() == 443) http="https"; else http="http";
res.setContentType("text/html");
String moduleName = req.getParameter("module");
setLanguage(session,getAcceptLanguage(req));
}
+ /** @todo for cleanup and readability this should be moved to
+ * method loginIfNecessary() */
+
// Authentifizierung
if (moduleName!=null && moduleName.equals("login")) {
String user=req.getParameter("login");
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 = "<html><head><meta http-equiv=refresh content=\"1;URL="
+ "\"></head><body>going <a href=\"" + redirect + "\">Mir</a></body></html>";
}
res.getWriter().println(redirectString);
-
-
+
+
//res.sendRedirect(redirect);
-
+
} else {
// redirecting to default target
theLog.printDebugInfo("--login: no target - redirecting to default");
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);
+ 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;
}
- // Bei blossem Serveltaufruf redirect auf Standardstarttemplate
+ // 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 normal Dispatching...
+ // From now on regular 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);
+ // get servletmodule by parameter and continue with dispacher
+ ServletModule smod = getServletModuleForName(moduleName);
ServletModuleDispatch.dispatch(smod,req,res);
}
- catch (NoSuchMethodException e) { handleError( res,res.getWriter(), "ServletModule" + moduleName + " getInstance() nicht gefunden."); }
- catch (InvocationTargetException e) { handleError( res,res.getWriter(), "ServletModule" + moduleName + " target nicht gefunden."); }
- catch (ClassNotFoundException e) { handleError(res, res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
- catch (IllegalArgumentException e) { handleError( res,res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
- catch (ServletModuleException e){ handleError(res,res.getWriter(), "ServletException in Module ServletModule" + moduleName + " -- " + e.toString()); }
- catch (IllegalAccessException e){
- handleError(res,res.getWriter(), "Kein Zugriff auf Klasse ServletModule" + moduleName + " -- " + e.toString()); }
+ catch (ServletModuleException e) {
+ handleError(res, res.getWriter(), "ServletException in Module " + moduleName + " -- " + e.toString());
+ }
+ catch (ServletModuleUserException e) {
+ handleUserError(res,res.getWriter(), "User error" + e.toString());
+ }
// timing...
- sessionConnectTime = new java.util.Date().getTime() - startTime;
+ sessionConnectTime = System.currentTimeMillis() - startTime;
theLog.printInfo("EXECTIME (" + moduleName + "): " + sessionConnectTime + " ms");
}
+
+ /**
+ * 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);
+ }
+
+
private void handleError(HttpServletResponse res, PrintWriter out, String errorString) {
+
try {
theLog.printError(errorString);
SimpleHash modelRoot = new SimpleHash();
out.close();
}
catch (Exception e) {
- System.err.println("Fehler in ErrorTemplate");
+ System.err.println("Error in ErrorTemplate");
}
}
+ private void handleUserError(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);
+ out.close();
+ }
+ catch (Exception e) {
+ System.err.println("Fehler in UserErrorTemplate");
+ }
+
+ }
/**
* evaluate login for user / 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
mergeData.put("session",sessionUrl);
HTMLTemplateProcessor.process(res,lang+"/"+loginTemplate, mergeData, out);
} catch(HTMLParseException e) {
- handleError(res, out, "fehler in logintemplate.");
+ handleError(res, out, "Error in logintemplate.");
}
}
// merge with logged in user and messages
SimpleHash mergeData = new SimpleHash();
mergeData.put("session",sessionUrl);
- mergeData.put("login_user", HTMLTemplateProcessor.makeSimpleHash(userEntity));
+ mergeData.put("login_user", userEntity);
if (messageModule == null) messageModule = new ModuleMessage(DatabaseMessages.getInstance());
- mergeData.put("messages", HTMLTemplateProcessor.makeSimpleList(messageModule.getByWhereClause(null, "webdb_create desc",0,10)));
+ mergeData.put("messages", messageModule.getByWhereClause(null, "webdb_create desc",0,10));
HTMLTemplateProcessor.process(res,getLanguage(req,session)+"/"+startTemplate, mergeData,out);
}
catch(Exception e) {