src/org/cacert/gigi/Gigi.java

   1 package org.cacert.gigi;
   2
   3 import java.io.IOException;
   4 import java.io.PrintWriter;
   5 import java.security.KeyStore;
   6 import java.util.Calendar;
   7 import java.util.HashMap;
   8 import java.util.LinkedList;
   9 import java.util.Locale;
  10 import java.util.Map;
  11 import java.util.Properties;
  12 import java.util.regex.Pattern;
  13
  14 import javax.servlet.ServletException;
  15 import javax.servlet.http.HttpServlet;
  16 import javax.servlet.http.HttpServletRequest;
  17 import javax.servlet.http.HttpServletResponse;
  18 import javax.servlet.http.HttpSession;
  19
  20 import org.cacert.gigi.database.DatabaseConnection;
  21 import org.cacert.gigi.dbObjects.User;
  22 import org.cacert.gigi.localisation.Language;
  23 import org.cacert.gigi.output.Form.CSRFException;
  24 import org.cacert.gigi.output.Menu;
  25 import org.cacert.gigi.output.Outputable;
  26 import org.cacert.gigi.output.PageMenuItem;
  27 import org.cacert.gigi.output.SimpleMenuItem;
  28 import org.cacert.gigi.output.template.Template;
  29 import org.cacert.gigi.pages.LoginPage;
  30 import org.cacert.gigi.pages.LogoutPage;
  31 import org.cacert.gigi.pages.MainPage;
  32 import org.cacert.gigi.pages.Manager;
  33 import org.cacert.gigi.pages.Page;
  34 import org.cacert.gigi.pages.PolicyIndex;
  35 import org.cacert.gigi.pages.RootCertPage;
  36 import org.cacert.gigi.pages.StaticPage;
  37 import org.cacert.gigi.pages.TestSecure;
  38 import org.cacert.gigi.pages.Verify;
  39 import org.cacert.gigi.pages.account.ChangePasswordPage;
  40 import org.cacert.gigi.pages.account.MyDetails;
  41 import org.cacert.gigi.pages.account.certs.CertificateAdd;
  42 import org.cacert.gigi.pages.account.certs.Certificates;
  43 import org.cacert.gigi.pages.account.domain.DomainOverview;
  44 import org.cacert.gigi.pages.account.mail.MailOverview;
  45 import org.cacert.gigi.pages.admin.TTPAdminPage;
  46 import org.cacert.gigi.pages.error.PageNotFound;
  47 import org.cacert.gigi.pages.main.RegisterPage;
  48 import org.cacert.gigi.pages.orga.CreateOrgPage;
  49 import org.cacert.gigi.pages.orga.ViewOrgPage;
  50 import org.cacert.gigi.pages.wot.AssurePage;
  51 import org.cacert.gigi.pages.wot.MyPoints;
  52 import org.cacert.gigi.pages.wot.RequestTTPPage;
  53 import org.cacert.gigi.ping.PingerDaemon;
  54 import org.cacert.gigi.util.ServerConstants;
  55
  56 public class Gigi extends HttpServlet {
  57
  58     private boolean firstInstanceInited = false;
  59
  60     public static final String LOGGEDIN = "loggedin";
  61
  62     public static final String USER = "user";
  63
  64     private static final long serialVersionUID = -6386785421902852904L;
  65
  66     private Template baseTemplate;
  67
  68     private LinkedList<Menu> categories = new LinkedList<Menu>();
  69
  70     private HashMap<String, Page> pages = new HashMap<String, Page>();
  71
  72     private HashMap<Page, String> reveresePages = new HashMap<Page, String>();
  73
  74     private Menu rootMenu;
  75
  76     private static Gigi instance;
  77
  78     private PingerDaemon pinger;
  79
  80     private KeyStore truststore;
  81
  82     private boolean testing;
  83
  84     public Gigi(Properties conf, KeyStore truststore) {
  85         if (instance != null) {
  86             throw new IllegalStateException("Multiple Gigi instances!");
  87         }
  88         testing = conf.getProperty("testing") != null;
  89         instance = this;
  90         DatabaseConnection.init(conf);
  91         this.truststore = truststore;
  92         pinger = new PingerDaemon(truststore);
  93         pinger.start();
  94     }
  95
  96     @Override
  97     public void init() throws ServletException {
  98         if ( !firstInstanceInited) {
  99             putPage("/error", new PageNotFound(), null);
 100             putPage("/login", new LoginPage("CAcert - Login"), "CAcert.org");
 101             putPage("/", new MainPage("CAcert - Home"), null);
 102             putPage("/roots", new RootCertPage(truststore), "CAcert.org");
 103             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
 104             putPage(LogoutPage.PATH, new LogoutPage("Logout"), "My Account");
 105             putPage("/secure", new TestSecure(), null);
 106             putPage(Verify.PATH, new Verify(), null);
 107             putPage(AssurePage.PATH + "/*", new AssurePage(), "CAcert Web of Trust");
 108             putPage(Certificates.PATH + "/*", new Certificates(), "Certificates");
 109             putPage(MyDetails.PATH, new MyDetails(), "My Account");
 110             putPage(RegisterPage.PATH, new RegisterPage(), "CAcert.org");
 111             putPage(CertificateAdd.PATH, new CertificateAdd(), "Certificates");
 112             putPage(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"), "Certificates");
 113             putPage(DomainOverview.PATH + "*", new DomainOverview("Domains"), "Certificates");
 114             putPage(MyPoints.PATH, new MyPoints("My Points"), "CAcert Web of Trust");
 115             putPage(RequestTTPPage.PATH, new RequestTTPPage(), "CAcert Web of Trust");
 116             putPage(TTPAdminPage.PATH + "/*", new TTPAdminPage(), "Admin");
 117             putPage(CreateOrgPage.DEFAULT_PATH, new CreateOrgPage(), "Admin");
 118             putPage(ViewOrgPage.DEFAULT_PATH + "/*", new ViewOrgPage(), "Admin");
 119             if (testing) {
 120                 putPage(Manager.PATH + "/*", Manager.getInstance(), "Admin");
 121             }
 122
 123             putPage("/wot/rules", new StaticPage("CAcert Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "CAcert Web of Trust");
 124             baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
 125             rootMenu = new Menu("Main");
 126             Menu about = new Menu("About CAcert.org");
 127             categories.add(about);
 128
 129             about.addItem(new SimpleMenuItem("//blog.cacert.org/", "CAcert News"));
 130             about.addItem(new SimpleMenuItem("//wiki.cacert.org/", "Wiki Documentation"));
 131             putPage(PolicyIndex.DEFAULT_PATH, new PolicyIndex(), "About CAcert.org");
 132             about.addItem(new SimpleMenuItem("//wiki.cacert.org/FAQ/Privileges", "Point System"));
 133             about.addItem(new SimpleMenuItem("//bugs.cacert.org/", "Bug Database"));
 134             about.addItem(new SimpleMenuItem("//wiki.cacert.org/Board", "CAcert Board"));
 135             about.addItem(new SimpleMenuItem("//lists.cacert.org/wws", "Mailing Lists"));
 136             about.addItem(new SimpleMenuItem("//blog.CAcert.org/feed", "RSS News Feed"));
 137
 138             Menu languages = new Menu("Translations");
 139             for (Locale l : Language.getSupportedLocales()) {
 140                 languages.addItem(new SimpleMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 141             }
 142             categories.add(languages);
 143             for (Menu menu : categories) {
 144                 menu.prepare();
 145                 rootMenu.addItem(menu);
 146             }
 147
 148             rootMenu.prepare();
 149             firstInstanceInited = true;
 150         }
 151         super.init();
 152     }
 153
 154     private void putPage(String path, Page p, String category) {
 155         pages.put(path, p);
 156         reveresePages.put(p, path);
 157         if (category == null) {
 158             return;
 159         }
 160         Menu m = null;
 161         for (Menu menu : categories) {
 162             if (menu.getMenuName().equals(category)) {
 163                 m = menu;
 164                 break;
 165             }
 166         }
 167         if (m == null) {
 168             m = new Menu(category);
 169             categories.add(m);
 170         }
 171         m.addItem(new PageMenuItem(p));
 172
 173     }
 174
 175     private static String staticTemplateVarHttp;
 176
 177     private static String staticTemplateVarHttps;
 178
 179     private static String getStaticTemplateVar(boolean https) {
 180         if (https) {
 181             if (staticTemplateVarHttps == null) {
 182                 staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 183             }
 184             return staticTemplateVarHttps;
 185         } else {
 186             if (staticTemplateVarHttp == null) {
 187                 staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 188             }
 189             return staticTemplateVarHttp;
 190         }
 191     }
 192
 193     @Override
 194     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 195         boolean isSecure = req.getServerPort() == ServerConstants.getSecurePort();
 196         addXSSHeaders(resp, isSecure);
 197         // Firefox only sends this, if it's a cross domain access; safari sends
 198         // it always
 199         String originHeader = req.getHeader("Origin");
 200         if (originHeader != null //
 201                 &&
 202                 !(originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getWwwHostNamePortSecure()) + "(/.*|)") || //
 203                         originHeader.matches("^" + Pattern.quote("http://" + ServerConstants.getWwwHostNamePort()) + "(/.*|)") || //
 204                 originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getSecureHostNamePort()) + "(/.*|)"))) {
 205             resp.setContentType("text/html; charset=utf-8");
 206             resp.getWriter().println("<html><head><title>Alert</title></head><body>No cross domain access allowed.<br/><b>If you don't know why you're seeing this you may have been fished! Please change your password immediately!</b></body></html>");
 207             return;
 208         }
 209         HttpSession hs = req.getSession();
 210         if (req.getParameter("lang") != null) {
 211             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 212             Language lu = Language.getInstance(l);
 213             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu.getLocale());
 214         }
 215         final Page p = getPage(req.getPathInfo());
 216
 217         if (p != null) {
 218             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 219                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 220                 return;
 221             }
 222             User currentPageUser = LoginPage.getUser(req);
 223             if ( !p.isPermitted(currentPageUser)) {
 224                 if (hs.getAttribute("loggedin") == null) {
 225                     String request = req.getPathInfo();
 226                     request = request.split("\\?")[0];
 227                     hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 228                     resp.sendRedirect("/login");
 229                     return;
 230                 }
 231                 resp.sendError(403);
 232                 return;
 233             }
 234             if (p.beforeTemplate(req, resp)) {
 235                 return;
 236             }
 237             HashMap<String, Object> vars = new HashMap<String, Object>();
 238             Outputable content = new Outputable() {
 239
 240                 @Override
 241                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 242                     try {
 243                         if (req.getMethod().equals("POST")) {
 244                             if (req.getQueryString() != null) {
 245                                 return;
 246                             }
 247                             p.doPost(req, resp);
 248                         } else {
 249                             p.doGet(req, resp);
 250                         }
 251                     } catch (CSRFException err) {
 252                         try {
 253                             resp.sendError(500, "CSRF invalid");
 254                         } catch (IOException e) {
 255                             e.printStackTrace();
 256                         }
 257                     } catch (IOException e) {
 258                         e.printStackTrace();
 259                     }
 260
 261                 }
 262             };
 263             vars.put(Menu.USER_VALUE, currentPageUser);
 264             vars.put("menu", rootMenu);
 265             vars.put("title", Page.getLanguage(req).getTranslation(p.getTitle()));
 266             vars.put("static", getStaticTemplateVar(isSecure));
 267             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 268             vars.put("content", content);
 269             resp.setContentType("text/html; charset=utf-8");
 270             baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 271         } else {
 272             resp.sendError(404, "Page not found.");
 273         }
 274
 275     }
 276
 277     private Page getPage(String pathInfo) {
 278         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 279             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 280         }
 281         Page page = pages.get(pathInfo);
 282         if (page != null) {
 283             return page;
 284         }
 285         page = pages.get(pathInfo + "/*");
 286         if (page != null) {
 287             return page;
 288         }
 289         int idx = pathInfo.lastIndexOf('/');
 290         pathInfo = pathInfo.substring(0, idx);
 291
 292         page = pages.get(pathInfo + "/*");
 293         if (page != null) {
 294             return page;
 295         }
 296         return null;
 297
 298     }
 299
 300     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 301         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 302         hsr.addHeader("Access-Control-Max-Age", "60");
 303         if (doHttps) {
 304             hsr.addHeader("Content-Security-Policy", getHttpsCSP());
 305         } else {
 306             hsr.addHeader("Content-Security-Policy", getHttpCSP());
 307         }
 308         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 309
 310     }
 311
 312     private static String httpsCSP = null;
 313
 314     private static String httpCSP = null;
 315
 316     private static String getHttpsCSP() {
 317         if (httpsCSP == null) {
 318             StringBuffer csp = new StringBuffer();
 319             csp.append("default-src 'none'");
 320             csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 321             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 322             csp.append(";media-src 'none'; object-src 'none'");
 323             csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 324             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 325             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 326             csp.append(";report-url https://api.cacert.org/security/csp/report");
 327             httpsCSP = csp.toString();
 328         }
 329         return httpsCSP;
 330     }
 331
 332     private static String getHttpCSP() {
 333         if (httpCSP == null) {
 334             StringBuffer csp = new StringBuffer();
 335             csp.append("default-src 'none'");
 336             csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 337             csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 338             csp.append(";media-src 'none'; object-src 'none'");
 339             csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 340             csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 341             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 342             csp.append(";report-url http://api.cacert.org/security/csp/report");
 343             httpCSP = csp.toString();
 344         }
 345         return httpCSP;
 346     }
 347
 348     public static String getPathByPage(Page p) {
 349         return instance.reveresePages.get(p).replaceFirst("/?\\*$", "");
 350     }
 351
 352     public static void notifyPinger() {
 353         instance.pinger.interrupt();
 354     }
 355
 356 }