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.io.UnsupportedEncodingException;
   6 import java.security.KeyStore;
   7 import java.security.cert.X509Certificate;
   8 import java.util.Calendar;
   9 import java.util.Collections;
  10 import java.util.HashMap;
  11 import java.util.LinkedList;
  12 import java.util.Locale;
  13 import java.util.Map;
  14 import java.util.Properties;
  15 import java.util.regex.Pattern;
  16
  17 import javax.servlet.ServletException;
  18 import javax.servlet.http.HttpServlet;
  19 import javax.servlet.http.HttpServletRequest;
  20 import javax.servlet.http.HttpServletResponse;
  21 import javax.servlet.http.HttpSession;
  22
  23 import org.cacert.gigi.database.DatabaseConnection;
  24 import org.cacert.gigi.database.DatabaseConnection.Link;
  25 import org.cacert.gigi.dbObjects.CACertificate;
  26 import org.cacert.gigi.dbObjects.CATS.CATSType;
  27 import org.cacert.gigi.dbObjects.CertificateProfile;
  28 import org.cacert.gigi.dbObjects.DomainPingConfiguration;
  29 import org.cacert.gigi.localisation.Language;
  30 import org.cacert.gigi.output.Menu;
  31 import org.cacert.gigi.output.MenuCollector;
  32 import org.cacert.gigi.output.PageMenuItem;
  33 import org.cacert.gigi.output.SimpleMenuItem;
  34 import org.cacert.gigi.output.SimpleUntranslatedMenuItem;
  35 import org.cacert.gigi.output.template.Form;
  36 import org.cacert.gigi.output.template.Form.CSRFException;
  37 import org.cacert.gigi.output.template.Outputable;
  38 import org.cacert.gigi.output.template.Template;
  39 import org.cacert.gigi.pages.AboutPage;
  40 import org.cacert.gigi.pages.HandlesMixedRequest;
  41 import org.cacert.gigi.pages.LoginPage;
  42 import org.cacert.gigi.pages.LogoutPage;
  43 import org.cacert.gigi.pages.MainPage;
  44 import org.cacert.gigi.pages.OneFormPage;
  45 import org.cacert.gigi.pages.Page;
  46 import org.cacert.gigi.pages.PasswordResetPage;
  47 import org.cacert.gigi.pages.RootCertPage;
  48 import org.cacert.gigi.pages.StaticPage;
  49 import org.cacert.gigi.pages.TestSecure;
  50 import org.cacert.gigi.pages.Verify;
  51 import org.cacert.gigi.pages.account.ChangePasswordPage;
  52 import org.cacert.gigi.pages.account.FindAgentAccess;
  53 import org.cacert.gigi.pages.account.History;
  54 import org.cacert.gigi.pages.account.MyDetails;
  55 import org.cacert.gigi.pages.account.UserTrainings;
  56 import org.cacert.gigi.pages.account.certs.CertificateAdd;
  57 import org.cacert.gigi.pages.account.certs.Certificates;
  58 import org.cacert.gigi.pages.account.domain.DomainOverview;
  59 import org.cacert.gigi.pages.account.mail.MailOverview;
  60 import org.cacert.gigi.pages.admin.TTPAdminPage;
  61 import org.cacert.gigi.pages.admin.support.FindCertPage;
  62 import org.cacert.gigi.pages.admin.support.FindUserByDomainPage;
  63 import org.cacert.gigi.pages.admin.support.FindUserByEmailPage;
  64 import org.cacert.gigi.pages.admin.support.SupportEnterTicketPage;
  65 import org.cacert.gigi.pages.admin.support.SupportUserDetailsPage;
  66 import org.cacert.gigi.pages.error.AccessDenied;
  67 import org.cacert.gigi.pages.error.PageNotFound;
  68 import org.cacert.gigi.pages.main.RegisterPage;
  69 import org.cacert.gigi.pages.orga.CreateOrgPage;
  70 import org.cacert.gigi.pages.orga.ViewOrgPage;
  71 import org.cacert.gigi.pages.wot.AssurePage;
  72 import org.cacert.gigi.pages.wot.Points;
  73 import org.cacert.gigi.pages.wot.RequestTTPPage;
  74 import org.cacert.gigi.ping.PingerDaemon;
  75 import org.cacert.gigi.util.AuthorizationContext;
  76 import org.cacert.gigi.util.DomainAssessment;
  77 import org.cacert.gigi.util.PasswordHash;
  78 import org.cacert.gigi.util.ServerConstants;
  79 import org.cacert.gigi.util.TimeConditions;
  80
  81 public final class Gigi extends HttpServlet {
  82
  83     private class MenuBuilder {
  84
  85         private LinkedList<Menu> categories = new LinkedList<Menu>();
  86
  87         private HashMap<String, Page> pages = new HashMap<String, Page>();
  88
  89         private MenuCollector rootMenu;
  90
  91         public MenuBuilder() {}
  92
  93         private void putPage(String path, Page p, String category) {
  94             pages.put(path, p);
  95             if (category == null) {
  96                 return;
  97             }
  98             Menu m = getMenu(category);
  99             m.addItem(new PageMenuItem(p, path.replaceFirst("/?\\*$", "")));
 100
 101         }
 102
 103         private Menu getMenu(String category) {
 104             Menu m = null;
 105             for (Menu menu : categories) {
 106                 if (menu.getMenuName().equals(category)) {
 107                     m = menu;
 108                     break;
 109                 }
 110             }
 111             if (m == null) {
 112                 m = new Menu(category);
 113                 categories.add(m);
 114             }
 115             return m;
 116         }
 117
 118         public MenuCollector generateMenu() throws ServletException {
 119             putPage("/denied", new AccessDenied(), null);
 120             putPage("/error", new PageNotFound(), null);
 121             putPage("/login", new LoginPage(), null);
 122             getMenu("SomeCA.org").addItem(new SimpleMenuItem("https://" + ServerConstants.getWwwHostNamePort() + "/login", "Password Login") {
 123
 124                 @Override
 125                 public boolean isPermitted(AuthorizationContext ac) {
 126                     return ac == null;
 127                 }
 128             });
 129             getMenu("SomeCA.org").addItem(new SimpleMenuItem("https://" + ServerConstants.getSecureHostNamePort() + "/login", "Certificate Login") {
 130
 131                 @Override
 132                 public boolean isPermitted(AuthorizationContext ac) {
 133                     return ac == null;
 134                 }
 135             });
 136             putPage("/", new MainPage(), null);
 137             putPage("/roots", new RootCertPage(truststore), "SomeCA.org");
 138             putPage("/about", new AboutPage(), "SomeCA.org");
 139
 140             putPage("/secure", new TestSecure(), null);
 141             putPage(Verify.PATH, new Verify(), null);
 142             putPage(Certificates.PATH + "/*", new Certificates(false), "Certificates");
 143             putPage(RegisterPage.PATH, new RegisterPage(), "SomeCA.org");
 144             putPage(CertificateAdd.PATH, new CertificateAdd(), "Certificates");
 145             putPage(MailOverview.DEFAULT_PATH, new MailOverview(), "Certificates");
 146             putPage(DomainOverview.PATH + "*", new DomainOverview(), "Certificates");
 147
 148             putPage(AssurePage.PATH + "/*", new AssurePage(), "Web of Trust");
 149             putPage(Points.PATH, new Points(false), "Web of Trust");
 150             putPage(RequestTTPPage.PATH, new RequestTTPPage(), "Web of Trust");
 151
 152             putPage(TTPAdminPage.PATH + "/*", new TTPAdminPage(), "Admin");
 153             putPage(CreateOrgPage.DEFAULT_PATH, new CreateOrgPage(), "Organisation Admin");
 154             putPage(ViewOrgPage.DEFAULT_PATH + "/*", new ViewOrgPage(), "Organisation Admin");
 155
 156             putPage(SupportEnterTicketPage.PATH, new SupportEnterTicketPage(), "Support Console");
 157             putPage(FindUserByEmailPage.PATH, new FindUserByEmailPage(), "Support Console");
 158             putPage(FindUserByDomainPage.PATH, new FindUserByDomainPage(), "Support Console");
 159             putPage(FindCertPage.PATH, new FindCertPage(), "Support Console");
 160
 161             putPage(SupportUserDetailsPage.PATH + "*", new SupportUserDetailsPage(), null);
 162             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
 163             putPage(History.PATH, new History(false), "My Account");
 164             putPage(FindAgentAccess.PATH, new OneFormPage("Access to Find Agent", FindAgentAccess.class) {
 165
 166                 @Override
 167                 public String getSuccessPath(Form f) {
 168                     return FindAgentAccess.PATH;
 169                 }
 170             }, "My Account");
 171             putPage(History.SUPPORT_PATH, new History(true), null);
 172             putPage(UserTrainings.PATH, new UserTrainings(false), "My Account");
 173             putPage(MyDetails.PATH, new MyDetails(), "My Account");
 174             putPage(UserTrainings.SUPPORT_PATH, new UserTrainings(true), null);
 175             putPage(Points.SUPPORT_PATH, new Points(true), null);
 176             putPage(Certificates.SUPPORT_PATH + "/*", new Certificates(true), null);
 177
 178             putPage(PasswordResetPage.PATH, new PasswordResetPage(), null);
 179             putPage(LogoutPage.PATH, new LogoutPage(), null);
 180
 181             if (testing) {
 182                 try {
 183                     Class<?> manager = Class.forName("org.cacert.gigi.pages.Manager");
 184                     Page p = (Page) manager.getMethod("getInstance").invoke(null);
 185                     String pa = (String) manager.getField("PATH").get(null);
 186                     putPage(pa + "/*", p, "Gigi test server");
 187                 } catch (ReflectiveOperationException e) {
 188                     e.printStackTrace();
 189                 }
 190             }
 191
 192             try {
 193                 putPage("/wot/rules", new StaticPage("Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "Web of Trust");
 194             } catch (UnsupportedEncodingException e) {
 195                 throw new ServletException(e);
 196             }
 197             rootMenu = new MenuCollector();
 198
 199             Menu languages = new Menu("Language");
 200             addLanguages(languages);
 201             categories.add(languages);
 202             for (Menu menu : categories) {
 203                 menu.prepare();
 204                 rootMenu.put(menu);
 205             }
 206
 207             // rootMenu.prepare();
 208             return rootMenu;
 209         }
 210
 211         private void addLanguages(Menu languages) {
 212             for (Locale l : Language.getSupportedLocales()) {
 213                 languages.addItem(new SimpleUntranslatedMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 214             }
 215         }
 216
 217         public Map<String, Page> getPages() {
 218             return Collections.unmodifiableMap(pages);
 219         }
 220     }
 221
 222     public static final String LOGGEDIN = "loggedin";
 223
 224     public static final String CERT_SERIAL = "org.cacert.gigi.serial";
 225
 226     public static final String CERT_ISSUER = "org.cacert.gigi.issuer";
 227
 228     public static final String AUTH_CONTEXT = "auth";
 229
 230     public static final String LOGIN_METHOD = "org.cacert.gigi.loginMethod";
 231
 232     private static final long serialVersionUID = -6386785421902852904L;
 233
 234     private static Gigi instance;
 235
 236     private static final Template baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));;
 237
 238     private PingerDaemon pinger;
 239
 240     private KeyStore truststore;
 241
 242     private boolean testing;
 243
 244     private MenuCollector rootMenu;
 245
 246     private Map<String, Page> pages;
 247
 248     private boolean firstInstanceInited = false;
 249
 250     public Gigi(Properties conf, KeyStore truststore) {
 251         synchronized (Gigi.class) {
 252             if (instance != null) {
 253                 throw new IllegalStateException("Multiple Gigi instances!");
 254             }
 255             testing = conf.getProperty("testing") != null;
 256             instance = this;
 257             DomainAssessment.init(conf);
 258             DatabaseConnection.init(conf);
 259             TimeConditions.init(conf);
 260             PasswordHash.init(conf);
 261             this.truststore = truststore;
 262             pinger = new PingerDaemon(truststore);
 263             pinger.start();
 264         }
 265     }
 266
 267     @Override
 268     public synchronized void init() throws ServletException {
 269         if (firstInstanceInited) {
 270             super.init();
 271             return;
 272         }
 273         // ensure those static initializers are finished
 274         try (Link l = DatabaseConnection.newLink(false)) {
 275             CACertificate.getById(1);
 276             CertificateProfile.getById(1);
 277             CATSType.ASSURER_CHALLENGE.getDisplayName();
 278         } catch (InterruptedException e) {
 279             throw new Error(e);
 280         }
 281
 282         MenuBuilder mb = new MenuBuilder();
 283         rootMenu = mb.generateMenu();
 284         pages = mb.getPages();
 285
 286         firstInstanceInited = true;
 287         super.init();
 288     }
 289
 290     private Page getPage(String pathInfo) {
 291         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 292             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 293         }
 294         Page page = pages.get(pathInfo);
 295         if (page != null) {
 296             return page;
 297         }
 298         page = pages.get(pathInfo + "/*");
 299         if (page != null) {
 300             return page;
 301         }
 302         int idx = pathInfo.lastIndexOf('/');
 303         if (idx == -1 || idx == 0) {
 304             return null;
 305         }
 306
 307         page = pages.get(pathInfo.substring(0, idx) + "/*");
 308         if (page != null) {
 309             return page;
 310         }
 311         int lIdx = pathInfo.lastIndexOf('/', idx - 1);
 312         if (lIdx == -1) {
 313             return null;
 314         }
 315         String lastResort = pathInfo.substring(0, lIdx) + "/*" + pathInfo.substring(idx);
 316         page = pages.get(lastResort);
 317         return page;
 318
 319     }
 320
 321     private static String staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 322
 323     private static String staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 324
 325     private static String getStaticTemplateVar(boolean https) {
 326         if (https) {
 327             return staticTemplateVarHttps;
 328         } else {
 329             return staticTemplateVarHttp;
 330         }
 331     }
 332
 333     @Override
 334     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 335         if ("/error".equals(req.getPathInfo()) || "/denied".equals(req.getPathInfo())) {
 336             if (DatabaseConnection.hasInstance()) {
 337                 serviceWithConnection(req, resp);
 338                 return;
 339             }
 340         }
 341         try (DatabaseConnection.Link l = DatabaseConnection.newLink( !req.getMethod().equals("POST"))) {
 342             serviceWithConnection(req, resp);
 343         } catch (InterruptedException e) {
 344             e.printStackTrace();
 345         }
 346     }
 347
 348     protected void serviceWithConnection(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 349         boolean isSecure = req.isSecure();
 350         addXSSHeaders(resp, isSecure);
 351         // Firefox only sends this, if it's a cross domain access; safari sends
 352         // it always
 353         String originHeader = req.getHeader("Origin");
 354         if (originHeader != null //
 355                 && !(originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getWwwHostNamePortSecure()) + "(/.*|)") || //
 356                         originHeader.matches("^" + Pattern.quote("http://" + ServerConstants.getWwwHostNamePort()) + "(/.*|)") || //
 357                         originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getSecureHostNamePort()) + "(/.*|)"))) {
 358             resp.setContentType("text/html; charset=utf-8");
 359             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>");
 360             return;
 361         }
 362         HttpSession hs = req.getSession();
 363         String clientSerial = (String) hs.getAttribute(CERT_SERIAL);
 364         if (clientSerial != null) {
 365             X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
 366             if (cert == null || cert[0] == null//
 367                     || !cert[0].getSerialNumber().toString(16).toUpperCase().equals(clientSerial) //
 368                     || !cert[0].getIssuerDN().equals(hs.getAttribute(CERT_ISSUER))) {
 369                 hs.invalidate();
 370                 resp.sendError(403, "Certificate mismatch.");
 371                 return;
 372             }
 373
 374         }
 375         if (req.getParameter("lang") != null) {
 376             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 377             Language lu = Language.getInstance(l);
 378             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu != null ? lu.getLocale() : Locale.ENGLISH);
 379         }
 380         final Page p = getPage(req.getPathInfo());
 381
 382         if (p != null) {
 383             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 384                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 385                 return;
 386             }
 387             AuthorizationContext currentAuthContext = LoginPage.getAuthorizationContext(req);
 388             if ( !p.isPermitted(currentAuthContext)) {
 389                 if (hs.getAttribute("loggedin") == null) {
 390                     String request = req.getPathInfo();
 391                     request = request.split("\\?")[0];
 392                     hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 393                     resp.sendRedirect("/login");
 394                     return;
 395                 }
 396                 resp.sendError(403);
 397                 return;
 398             }
 399             if (p.beforeTemplate(req, resp)) {
 400                 return;
 401             }
 402             HashMap<String, Object> vars = new HashMap<String, Object>();
 403             // System.out.println(req.getMethod() + ": " + req.getPathInfo() +
 404             // " -> " + p);
 405             Outputable content = new Outputable() {
 406
 407                 @Override
 408                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 409                     try {
 410                         if (req.getMethod().equals("POST")) {
 411                             if (req.getQueryString() != null && !(p instanceof HandlesMixedRequest)) {
 412                                 return;
 413                             }
 414                             p.doPost(req, resp);
 415                         } else {
 416                             p.doGet(req, resp);
 417                         }
 418                     } catch (CSRFException err) {
 419                         try {
 420                             resp.sendError(500, "CSRF invalid");
 421                         } catch (IOException e) {
 422                             e.printStackTrace();
 423                         }
 424                     } catch (IOException e) {
 425                         e.printStackTrace();
 426                     }
 427
 428                 }
 429             };
 430             Language lang = Page.getLanguage(req);
 431
 432             vars.put(Menu.AUTH_VALUE, currentAuthContext);
 433             vars.put("menu", rootMenu);
 434             vars.put("title", lang.getTranslation(p.getTitle()));
 435             vars.put("static", getStaticTemplateVar(isSecure));
 436             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 437             vars.put("content", content);
 438             if (currentAuthContext != null) {
 439                 // TODO maybe move this information into the AuthContext object
 440                 vars.put("loginMethod", req.getSession().getAttribute(LOGIN_METHOD));
 441                 vars.put("authContext", currentAuthContext);
 442
 443             }
 444             resp.setContentType("text/html; charset=utf-8");
 445             baseTemplate.output(resp.getWriter(), lang, vars);
 446         } else {
 447             resp.sendError(404, "Page not found.");
 448         }
 449
 450     }
 451
 452     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 453         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 454         hsr.addHeader("Access-Control-Max-Age", "60");
 455         if (doHttps) {
 456             hsr.addHeader("Content-Security-Policy", httpsCSP);
 457         } else {
 458             hsr.addHeader("Content-Security-Policy", httpCSP);
 459         }
 460         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 461
 462     }
 463
 464     private static String httpsCSP = genHttpsCSP();
 465
 466     private static String httpCSP = genHttpCSP();
 467
 468     private static String genHttpsCSP() {
 469         StringBuffer csp = new StringBuffer();
 470         csp.append("default-src 'none'");
 471         csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 472         csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 473         csp.append(";media-src 'none'; object-src 'none'");
 474         csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 475         csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 476         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 477         // csp.append(";report-url https://api.cacert.org/security/csp/report");
 478         return csp.toString();
 479     }
 480
 481     private static String genHttpCSP() {
 482         StringBuffer csp = new StringBuffer();
 483         csp.append("default-src 'none'");
 484         csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 485         csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 486         csp.append(";media-src 'none'; object-src 'none'");
 487         csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 488         csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 489         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 490         // csp.append(";report-url http://api.cacert.org/security/csp/report");
 491         return csp.toString();
 492     }
 493
 494     /**
 495      * Requests Pinging of domains.
 496      *
 497      * @param toReping
 498      *            if not null, the {@link DomainPingConfiguration} to test, if
 499      *            null, just re-check if there is something to do.
 500      */
 501     public static void notifyPinger(DomainPingConfiguration toReping) {
 502         if (toReping != null) {
 503             instance.pinger.queue(toReping);
 504         }
 505         instance.pinger.interrupt();
 506     }
 507
 508 }