src/org/cacert/gigi/Gigi.java

   1 package org.cacert.gigi;
   2
   3 import java.io.BufferedReader;
   4 import java.io.File;
   5 import java.io.FileInputStream;
   6 import java.io.IOException;
   7 import java.io.InputStreamReader;
   8 import java.util.Calendar;
   9 import java.util.HashMap;
  10
  11 import javax.servlet.ServletException;
  12 import javax.servlet.http.HttpServlet;
  13 import javax.servlet.http.HttpServletRequest;
  14 import javax.servlet.http.HttpServletResponse;
  15 import javax.servlet.http.HttpSession;
  16
  17 import org.cacert.gigi.pages.LoginPage;
  18 import org.cacert.gigi.pages.MainPage;
  19 import org.cacert.gigi.pages.Page;
  20 import org.cacert.gigi.pages.TestSecure;
  21 import org.cacert.gigi.pages.account.MyDetails;
  22 import org.cacert.gigi.pages.main.RegisterPage;
  23 import org.eclipse.jetty.util.log.Log;
  24
  25 public class Gigi extends HttpServlet {
  26         public static final String LOGGEDIN = "loggedin";
  27         public static final String USER = "user";
  28         private static final long serialVersionUID = -6386785421902852904L;
  29         private String[] baseTemplate;
  30         private HashMap<String, Page> pages = new HashMap<String, Page>();
  31
  32         @Override
  33         public void init() throws ServletException {
  34                 pages.put("/login", new LoginPage("CACert - Login"));
  35                 pages.put("/", new MainPage("CACert - Home"));
  36                 pages.put("/secure", new TestSecure());
  37                 pages.put(MyDetails.PATH, new MyDetails());
  38                 pages.put(RegisterPage.PATH, new RegisterPage());
  39                 String templ = "";
  40                 try {
  41                         BufferedReader reader = new BufferedReader(new InputStreamReader(
  42                                         new FileInputStream(new File("templates/base.html"))));
  43                         String tmp;
  44                         while ((tmp = reader.readLine()) != null) {
  45                                 templ += tmp;
  46                         }
  47                         baseTemplate = templ.split("\\$content\\$");
  48                 } catch (Exception e) {
  49                         Log.getLogger(Gigi.class).warn("Error loading template!", e);
  50                 }
  51                 super.init();
  52
  53         }
  54         @Override
  55         protected void service(HttpServletRequest req, HttpServletResponse resp)
  56                         throws ServletException, IOException {
  57                 HttpSession hs = req.getSession();
  58                 if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  59                         if (hs != null) {
  60                                 hs.setAttribute(LOGGEDIN, null);
  61                                 hs.invalidate();
  62                         }
  63                         resp.sendRedirect("/");
  64                         return;
  65                 }
  66
  67                 if (pages.containsKey(req.getPathInfo())) {
  68                         Page p = pages.get(req.getPathInfo());
  69                         if (p.needsLogin() && hs.getAttribute("loggedin") == null) {
  70                                 resp.sendRedirect("/login");
  71                                 return;
  72                         }
  73
  74                         String b0 = baseTemplate[0];
  75                         b0 = makeDynTempl(b0, p);
  76                         resp.setContentType("text/html; charset=utf-8");
  77                         resp.getWriter().print(b0);
  78                         if (req.getMethod().equals("POST")) {
  79                                 p.doPost(req, resp);
  80                         } else {
  81                                 p.doGet(req, resp);
  82                         }
  83                         String b1 = baseTemplate[1];
  84                         b1 = makeDynTempl(b1, p);
  85                         resp.getWriter().print(b1);
  86                 } else {
  87                         resp.sendError(404, "Page not found.");
  88                 }
  89
  90         }
  91         private String makeDynTempl(String in, Page p) {
  92                 int year = Calendar.getInstance().get(Calendar.YEAR);
  93                 in = in.replaceAll("\\$title\\$", p.getTitle());
  94                 in = in.replaceAll("\\$year\\$", year + "");
  95                 return in;
  96         }
  97
  98 }