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