src/org/cacert/gigi/Gigi.java

   1 package org.cacert.gigi;
   2
   3 import java.io.IOException;
   4 import java.security.cert.X509Certificate;
   5 import java.util.HashMap;
   6
   7 import javax.servlet.ServletException;
   8 import javax.servlet.http.HttpServlet;
   9 import javax.servlet.http.HttpServletRequest;
  10 import javax.servlet.http.HttpServletResponse;
  11 import javax.servlet.http.HttpSession;
  12
  13 public class Gigi extends HttpServlet {
  14         private HashMap<String, Page> pages = new HashMap<String, Page>();
  15
  16         @Override
  17         public void init() throws ServletException {
  18                 pages.put("/login", new LoginPage());
  19                 pages.put("/", new MainPage());
  20                 super.init();
  21         }
  22
  23         @Override
  24         protected void service(HttpServletRequest req, HttpServletResponse resp)
  25                         throws ServletException, IOException {
  26                 X509Certificate[] cert = (X509Certificate[]) req
  27                                 .getAttribute("javax.servlet.request.X509Certificate");
  28                 HttpSession hs = req.getSession(false);
  29                 if (hs == null || !((Boolean) hs.getAttribute("loggedin"))) {
  30                         if (cert != null) {
  31                                 tryAuthWithCertificate(req, cert[0]);
  32                                 hs = req.getSession(false);
  33                         }
  34                 }
  35                 if (hs != null && ((Boolean) hs.getAttribute("loggedin"))
  36                                 && req.getPathInfo().equals("/login")) {
  37                         resp.sendRedirect("/");
  38                         return;
  39                 }
  40                 if (req.getMethod().equals("POST") && req.getPathInfo() != null
  41                                 && req.getPathInfo().equals("/login")) {
  42                         authWithUnpw(req);
  43                         resp.sendRedirect("/");
  44                         return;
  45                 }
  46                 if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  47                         if (hs != null) {
  48                                 hs.setAttribute("loggedin", false);
  49                                 hs.invalidate();
  50                         }
  51                         resp.sendRedirect("/");
  52                         return;
  53                 }
  54
  55                 if ((hs == null || !((Boolean) hs.getAttribute("loggedin")))
  56                                 && !"/login".equals(req.getPathInfo())) {
  57                         System.out.println(req.getPathInfo());
  58                         resp.sendRedirect("/login");
  59                         return;
  60                 }
  61                 System.out.println(req.getPathInfo());
  62                 if (pages.containsKey(req.getPathInfo())) {
  63                         Page p = pages.get(req.getPathInfo());
  64                         p.doGet(req, resp);
  65                 } else {
  66                         resp.sendError(404, "Page not found.");
  67                 }
  68
  69         }
  70
  71         private void authWithUnpw(HttpServletRequest req) {
  72                 String un = req.getParameter("username");
  73                 String pw = req.getParameter("password");
  74                 // TODO dummy password check if (un.equals(pw)) {
  75                 HttpSession hs = req.getSession();
  76                 hs.setAttribute("loggedin", true);
  77         }
  78
  79         private void tryAuthWithCertificate(HttpServletRequest req,
  80                         X509Certificate x509Certificate) {
  81                 // TODO ckeck if certificate is valid
  82                 HttpSession hs = req.getSession();
  83                 hs.setAttribute("loggedin", true);
  84         }
  85 }