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 import java.util.Properties;
  11
  12 import javax.servlet.ServletException;
  13 import javax.servlet.http.HttpServlet;
  14 import javax.servlet.http.HttpServletRequest;
  15 import javax.servlet.http.HttpServletResponse;
  16 import javax.servlet.http.HttpSession;
  17
  18 import org.cacert.gigi.database.DatabaseConnection;
  19 import org.cacert.gigi.email.EmailProvider;
  20 import org.cacert.gigi.pages.LoginPage;
  21 import org.cacert.gigi.pages.MainPage;
  22 import org.cacert.gigi.pages.Page;
  23 import org.cacert.gigi.pages.TestSecure;
  24 import org.cacert.gigi.pages.Verify;
  25 import org.cacert.gigi.pages.account.MailAdd;
  26 import org.cacert.gigi.pages.account.MailCertificates;
  27 import org.cacert.gigi.pages.account.MailOverview;
  28 import org.cacert.gigi.pages.account.MyDetails;
  29 import org.cacert.gigi.pages.main.RegisterPage;
  30 import org.cacert.gigi.pages.wot.AssurePage;
  31 import org.eclipse.jetty.util.log.Log;
  32
  33 public class Gigi extends HttpServlet {
  34         public static final String LOGGEDIN = "loggedin";
  35         public static final String USER = "user";
  36         private static final long serialVersionUID = -6386785421902852904L;
  37         private String[] baseTemplate;
  38         private HashMap<String, Page> pages = new HashMap<String, Page>();
  39
  40         public Gigi(Properties conf) {
  41                 EmailProvider.init(conf);
  42                 DatabaseConnection.init(conf);
  43         }
  44         @Override
  45         public void init() throws ServletException {
  46                 pages.put("/login", new LoginPage("CACert - Login"));
  47                 pages.put("/", new MainPage("CACert - Home"));
  48                 pages.put("/secure", new TestSecure());
  49                 pages.put(Verify.PATH, new Verify());
  50                 pages.put(AssurePage.PATH + "/*", new AssurePage());
  51                 pages.put(MailCertificates.PATH, new MailCertificates());
  52                 pages.put(MyDetails.PATH, new MyDetails());
  53                 pages.put(RegisterPage.PATH, new RegisterPage());
  54                 pages.put(MailOverview.DEFAULT_PATH, new MailOverview(
  55                                 "My email addresses"));
  56                 pages.put(MailAdd.DEFAULT_PATH, new MailAdd("Add new email"));
  57                 String templ = "";
  58                 try (BufferedReader reader = new BufferedReader(new InputStreamReader(
  59                                 new FileInputStream(new File("templates/base.html"))))) {
  60                         String tmp;
  61                         while ((tmp = reader.readLine()) != null) {
  62                                 templ += tmp + "\n";
  63                         }
  64                         baseTemplate = templ.split("\\$content\\$");
  65                 } catch (Exception e) {
  66                         Log.getLogger(Gigi.class).warn("Error loading template!", e);
  67                 }
  68                 super.init();
  69
  70         }
  71         @Override
  72         protected void service(HttpServletRequest req, HttpServletResponse resp)
  73                         throws ServletException, IOException {
  74                 addXSSHeaders(resp);
  75                 if (req.getHeader("Origin") != null) {
  76                         resp.getWriter().println("No cross domain access allowed.");
  77                         return;
  78                 }
  79                 HttpSession hs = req.getSession();
  80                 if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  81                         if (hs != null) {
  82                                 hs.setAttribute(LOGGEDIN, null);
  83                                 hs.invalidate();
  84                         }
  85                         resp.sendRedirect("/");
  86                         return;
  87                 }
  88
  89                 Page p = getPage(req.getPathInfo());
  90                 if (p != null) {
  91
  92                         if (p.needsLogin() && hs.getAttribute("loggedin") == null) {
  93                                 String request = req.getPathInfo();
  94                                 request = request.split("\\?")[0];
  95                                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
  96                                 resp.sendRedirect("/login");
  97                                 return;
  98                         }
  99                         if (p.beforeTemplate(req, resp)) {
 100                                 return;
 101                         }
 102
 103                         String b0 = baseTemplate[0];
 104                         b0 = makeDynTempl(b0, p);
 105                         resp.setContentType("text/html; charset=utf-8");
 106                         resp.getWriter().print(b0);
 107                         if (req.getMethod().equals("POST")) {
 108                                 p.doPost(req, resp);
 109                         } else {
 110                                 p.doGet(req, resp);
 111                         }
 112                         String b1 = baseTemplate[1];
 113                         b1 = makeDynTempl(b1, p);
 114                         resp.getWriter().print(b1);
 115                 } else {
 116                         resp.sendError(404, "Page not found.");
 117                 }
 118
 119         }
 120         private Page getPage(String pathInfo) {
 121                 if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 122                         pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 123                 }
 124                 Page page = pages.get(pathInfo);
 125                 if (page != null) {
 126                         return page;
 127                 }
 128                 page = pages.get(pathInfo + "/*");
 129                 if (page != null) {
 130                         return page;
 131                 }
 132                 int idx = pathInfo.lastIndexOf('/');
 133                 pathInfo = pathInfo.substring(0, idx);
 134
 135                 page = pages.get(pathInfo + "/*");
 136                 if (page != null) {
 137                         return page;
 138                 }
 139                 return null;
 140
 141         }
 142         private String makeDynTempl(String in, Page p) {
 143                 int year = Calendar.getInstance().get(Calendar.YEAR);
 144                 in = in.replaceAll("\\$title\\$", p.getTitle());
 145                 in = in.replaceAll("\\$year\\$", year + "");
 146                 return in;
 147         }
 148         public static void addXSSHeaders(HttpServletResponse hsr) {
 149                 hsr.addHeader("Access-Control-Allow-Origin",
 150                                 "http://cacert.org https://localhost");
 151                 hsr.addHeader("Access-Control-Max-Age", "60");
 152                 hsr.addHeader("Content-Security-Policy",
 153                                 "default-src 'self' https://www.cacert.org/*;frame-ancestors 'none'");
 154                 // ;report-uri https://felix.dogcraft.de/report.php
 155
 156         }
 157 }