src/org/cacert/gigi/Gigi.java

   1 package org.cacert.gigi;
   2
   3 import java.io.IOException;
   4 import java.io.InputStreamReader;
   5 import java.io.PrintWriter;
   6 import java.util.Calendar;
   7 import java.util.HashMap;
   8 import java.util.Map;
   9 import java.util.Properties;
  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.database.DatabaseConnection;
  18 import org.cacert.gigi.email.EmailProvider;
  19 import org.cacert.gigi.output.Outputable;
  20 import org.cacert.gigi.output.Template;
  21 import org.cacert.gigi.pages.LoginPage;
  22 import org.cacert.gigi.pages.MainPage;
  23 import org.cacert.gigi.pages.Page;
  24 import org.cacert.gigi.pages.TestSecure;
  25 import org.cacert.gigi.pages.Verify;
  26 import org.cacert.gigi.pages.account.MailAdd;
  27 import org.cacert.gigi.pages.account.MailCertificates;
  28 import org.cacert.gigi.pages.account.MailOverview;
  29 import org.cacert.gigi.pages.account.MyDetails;
  30 import org.cacert.gigi.pages.main.RegisterPage;
  31 import org.cacert.gigi.pages.wot.AssurePage;
  32 import org.cacert.gigi.util.ServerConstants;
  33
  34 public class Gigi extends HttpServlet {
  35         public static final String LOGGEDIN = "loggedin";
  36         public static final String USER = "user";
  37         private static final long serialVersionUID = -6386785421902852904L;
  38         private Template baseTemplate;
  39         private HashMap<String, Page> pages = new HashMap<String, Page>();
  40
  41         public Gigi(Properties conf) {
  42                 EmailProvider.init(conf);
  43                 DatabaseConnection.init(conf);
  44         }
  45         @Override
  46         public void init() throws ServletException {
  47                 pages.put("/login", new LoginPage("CACert - Login"));
  48                 pages.put("/", new MainPage("CACert - Home"));
  49                 pages.put("/secure", new TestSecure());
  50                 pages.put(Verify.PATH, new Verify());
  51                 pages.put(AssurePage.PATH + "/*", new AssurePage());
  52                 pages.put(MailCertificates.PATH, new MailCertificates());
  53                 pages.put(MyDetails.PATH, new MyDetails());
  54                 pages.put(RegisterPage.PATH, new RegisterPage());
  55                 pages.put(MailOverview.DEFAULT_PATH, new MailOverview(
  56                                 "My email addresses"));
  57                 pages.put(MailAdd.DEFAULT_PATH, new MailAdd("Add new email"));
  58                 baseTemplate = new Template(new InputStreamReader(
  59                                 Gigi.class.getResourceAsStream("Gigi.templ")));
  60                 super.init();
  61
  62         }
  63         @Override
  64         protected void service(final HttpServletRequest req,
  65                         final HttpServletResponse resp) throws ServletException,
  66                         IOException {
  67                 addXSSHeaders(resp);
  68                 if (req.getHeader("Origin") != null) {
  69                         resp.getWriter().println("No cross domain access allowed.");
  70                         return;
  71                 }
  72                 HttpSession hs = req.getSession();
  73                 if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  74                         if (hs != null) {
  75                                 hs.setAttribute(LOGGEDIN, null);
  76                                 hs.invalidate();
  77                         }
  78                         resp.sendRedirect("/");
  79                         return;
  80                 }
  81
  82                 final Page p = getPage(req.getPathInfo());
  83                 if (p != null) {
  84
  85                         if (p.needsLogin() && hs.getAttribute("loggedin") == null) {
  86                                 String request = req.getPathInfo();
  87                                 request = request.split("\\?")[0];
  88                                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
  89                                 resp.sendRedirect("/login");
  90                                 return;
  91                         }
  92                         if (p.beforeTemplate(req, resp)) {
  93                                 return;
  94                         }
  95                         HashMap<String, Object> vars = new HashMap<String, Object>();
  96
  97                         resp.setContentType("text/html; charset=utf-8");
  98                         Outputable content = new Outputable() {
  99
 100                                 @Override
 101                                 public void output(PrintWriter out, Language l,
 102                                                 Map<String, Object> vars) {
 103                                         try {
 104                                                 if (req.getMethod().equals("POST")) {
 105                                                         p.doPost(req, resp);
 106                                                 } else {
 107                                                         p.doGet(req, resp);
 108                                                 }
 109                                         } catch (IOException e) {
 110                                                 e.printStackTrace();
 111                                         }
 112
 113                                 }
 114                         };
 115                         vars.put("title", p.getTitle());
 116                         vars.put("static", ServerConstants.getStaticHostNamePort());
 117                         vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 118                         vars.put("content", content);
 119                         baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 120                 } else {
 121                         resp.sendError(404, "Page not found.");
 122                 }
 123
 124         }
 125         private Page getPage(String pathInfo) {
 126                 if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 127                         pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 128                 }
 129                 Page page = pages.get(pathInfo);
 130                 if (page != null) {
 131                         return page;
 132                 }
 133                 page = pages.get(pathInfo + "/*");
 134                 if (page != null) {
 135                         return page;
 136                 }
 137                 int idx = pathInfo.lastIndexOf('/');
 138                 pathInfo = pathInfo.substring(0, idx);
 139
 140                 page = pages.get(pathInfo + "/*");
 141                 if (page != null) {
 142                         return page;
 143                 }
 144                 return null;
 145
 146         }
 147
 148         public static void addXSSHeaders(HttpServletResponse hsr) {
 149                 hsr.addHeader("Access-Control-Allow-Origin", "https://"
 150                                 + ServerConstants.getWwwHostNamePort() + " https://"
 151                                 + ServerConstants.getSecureHostNamePort());
 152                 hsr.addHeader("Access-Control-Max-Age", "60");
 153
 154                 hsr.addHeader("Content-Security-Policy", getDefaultCSP());
 155
 156         }
 157         private static String defaultCSP = null;
 158         private static String getDefaultCSP() {
 159                 if (defaultCSP == null) {
 160                         StringBuffer csp = new StringBuffer();
 161                         csp.append("default-src 'none';");
 162                         csp.append("font-src https://"
 163                                         + ServerConstants.getStaticHostNamePort());
 164                         csp.append(";img-src https://"
 165                                         + ServerConstants.getStaticHostNamePort());
 166                         csp.append(";media-src 'none'; object-src 'none';");
 167                         csp.append("script-src https://"
 168                                         + ServerConstants.getStaticHostNamePort());
 169                         csp.append(";style-src https://"
 170                                         + ServerConstants.getStaticHostNamePort());
 171                         csp.append(";form-action https://"
 172                                         + ServerConstants.getSecureHostNamePort() + " https://"
 173                                         + ServerConstants.getWwwHostNamePort());
 174                         csp.append("report-url https://api.cacert.org/security/csp/report");
 175                         defaultCSP = csp.toString();
 176                 }
 177                 return defaultCSP;
 178         }
 179 }