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.Menu;
  20 import org.cacert.gigi.output.MenuItem;
  21 import org.cacert.gigi.output.Outputable;
  22 import org.cacert.gigi.output.Template;
  23 import org.cacert.gigi.pages.LoginPage;
  24 import org.cacert.gigi.pages.MainPage;
  25 import org.cacert.gigi.pages.Page;
  26 import org.cacert.gigi.pages.TestSecure;
  27 import org.cacert.gigi.pages.Verify;
  28 import org.cacert.gigi.pages.account.ChangePasswordPage;
  29 import org.cacert.gigi.pages.account.MailAdd;
  30 import org.cacert.gigi.pages.account.MailCertificates;
  31 import org.cacert.gigi.pages.account.MailOverview;
  32 import org.cacert.gigi.pages.account.MyDetails;
  33 import org.cacert.gigi.pages.main.RegisterPage;
  34 import org.cacert.gigi.pages.wot.AssurePage;
  35 import org.cacert.gigi.util.ServerConstants;
  36
  37 public class Gigi extends HttpServlet {
  38         public static final String LOGGEDIN = "loggedin";
  39         public static final String USER = "user";
  40         private static final long serialVersionUID = -6386785421902852904L;
  41         private Template baseTemplate;
  42         private HashMap<String, Page> pages = new HashMap<String, Page>();
  43         Menu m;
  44
  45         public Gigi(Properties conf) {
  46                 EmailProvider.init(conf);
  47                 DatabaseConnection.init(conf);
  48         }
  49         @Override
  50         public void init() throws ServletException {
  51                 pages.put("/login", new LoginPage("CACert - Login"));
  52                 pages.put("/", new MainPage("CACert - Home"));
  53                 pages.put("/secure", new TestSecure());
  54                 pages.put(Verify.PATH, new Verify());
  55                 pages.put(AssurePage.PATH + "/*", new AssurePage());
  56                 pages.put(MailCertificates.PATH, new MailCertificates());
  57                 pages.put(MyDetails.PATH, new MyDetails());
  58                 pages.put(ChangePasswordPage.PATH, new ChangePasswordPage());
  59                 pages.put(RegisterPage.PATH, new RegisterPage());
  60                 pages.put(MailOverview.DEFAULT_PATH, new MailOverview(
  61                                 "My email addresses"));
  62                 pages.put(MailAdd.DEFAULT_PATH, new MailAdd("Add new email"));
  63                 baseTemplate = new Template(new InputStreamReader(
  64                                 Gigi.class.getResourceAsStream("Gigi.templ")));
  65                 m = new Menu("Certificates", "cert", new MenuItem(
  66                                 MailOverview.DEFAULT_PATH, "Emails"), new MenuItem("",
  67                                 "Client Certificates"), new MenuItem("", "Domains"),
  68                                 new MenuItem("", "Server Certificates"));
  69                 super.init();
  70
  71         }
  72         @Override
  73         protected void service(final HttpServletRequest req,
  74                         final HttpServletResponse resp) throws ServletException,
  75                         IOException {
  76                 addXSSHeaders(resp);
  77                 if (req.getHeader("Origin") != null) {
  78                         resp.getWriter().println("No cross domain access allowed.");
  79                         return;
  80                 }
  81                 HttpSession hs = req.getSession();
  82                 if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  83                         if (hs != null) {
  84                                 hs.setAttribute(LOGGEDIN, null);
  85                                 hs.invalidate();
  86                         }
  87                         resp.sendRedirect("/");
  88                         return;
  89                 }
  90
  91                 final Page p = getPage(req.getPathInfo());
  92                 if (p != null) {
  93
  94                         if (p.needsLogin() && hs.getAttribute("loggedin") == null) {
  95                                 String request = req.getPathInfo();
  96                                 request = request.split("\\?")[0];
  97                                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
  98                                 resp.sendRedirect("/login");
  99                                 return;
 100                         }
 101                         if (p.beforeTemplate(req, resp)) {
 102                                 return;
 103                         }
 104                         HashMap<String, Object> vars = new HashMap<String, Object>();
 105
 106                         resp.setContentType("text/html; charset=utf-8");
 107                         Outputable content = new Outputable() {
 108
 109                                 @Override
 110                                 public void output(PrintWriter out, Language l,
 111                                                 Map<String, Object> vars) {
 112                                         try {
 113                                                 if (req.getMethod().equals("POST")) {
 114                                                         p.doPost(req, resp);
 115                                                 } else {
 116                                                         p.doGet(req, resp);
 117                                                 }
 118                                         } catch (IOException e) {
 119                                                 e.printStackTrace();
 120                                         }
 121
 122                                 }
 123                         };
 124                         vars.put("menu", m);
 125                         vars.put("title", p.getTitle());
 126                         vars.put("static", ServerConstants.getStaticHostNamePort());
 127                         vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 128                         vars.put("content", content);
 129                         baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 130                 } else {
 131                         resp.sendError(404, "Page not found.");
 132                 }
 133
 134         }
 135         private Page getPage(String pathInfo) {
 136                 if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 137                         pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 138                 }
 139                 Page page = pages.get(pathInfo);
 140                 if (page != null) {
 141                         return page;
 142                 }
 143                 page = pages.get(pathInfo + "/*");
 144                 if (page != null) {
 145                         return page;
 146                 }
 147                 int idx = pathInfo.lastIndexOf('/');
 148                 pathInfo = pathInfo.substring(0, idx);
 149
 150                 page = pages.get(pathInfo + "/*");
 151                 if (page != null) {
 152                         return page;
 153                 }
 154                 return null;
 155
 156         }
 157
 158         public static void addXSSHeaders(HttpServletResponse hsr) {
 159                 hsr.addHeader("Access-Control-Allow-Origin", "https://"
 160                                 + ServerConstants.getWwwHostNamePort() + " https://"
 161                                 + ServerConstants.getSecureHostNamePort());
 162                 hsr.addHeader("Access-Control-Max-Age", "60");
 163
 164                 hsr.addHeader("Content-Security-Policy", getDefaultCSP());
 165                 hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 166
 167         }
 168         private static String defaultCSP = null;
 169         private static String getDefaultCSP() {
 170                 if (defaultCSP == null) {
 171                         StringBuffer csp = new StringBuffer();
 172                         csp.append("default-src 'none';");
 173                         csp.append("font-src https://"
 174                                         + ServerConstants.getStaticHostNamePort());
 175                         csp.append(";img-src https://"
 176                                         + ServerConstants.getStaticHostNamePort());
 177                         csp.append(";media-src 'none'; object-src 'none';");
 178                         csp.append("script-src https://"
 179                                         + ServerConstants.getStaticHostNamePort());
 180                         csp.append(";style-src https://"
 181                                         + ServerConstants.getStaticHostNamePort());
 182                         csp.append(";form-action https://"
 183                                         + ServerConstants.getSecureHostNamePort() + " https://"
 184                                         + ServerConstants.getWwwHostNamePort());
 185                         csp.append("report-url https://api.cacert.org/security/csp/report");
 186                         defaultCSP = csp.toString();
 187                 }
 188                 return defaultCSP;
 189         }
 190 }