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.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
 150             putPage(AssurePage.PATH + "/*", new AssurePage(), "Web of Trust");
 151             putPage(Points.PATH, new Points(false), "Web of Trust");
 152             putPage(RequestTTPPage.PATH, new RequestTTPPage(), "Web of Trust");
 153
 154             putPage(TTPAdminPage.PATH + "/*", new TTPAdminPage(), "Admin");
 155             putPage(CreateOrgPage.DEFAULT_PATH, new CreateOrgPage(), "Organisation Admin");
 156             putPage(ViewOrgPage.DEFAULT_PATH + "/*", new ViewOrgPage(), "Organisation Admin");
 157
 158             putPage(SupportEnterTicketPage.PATH, new SupportEnterTicketPage(), "Support Console");
 159             putPage(FindUserByEmailPage.PATH, new FindUserByEmailPage(), "Support Console");
 160             putPage(FindUserByDomainPage.PATH, new FindUserByDomainPage(), "Support Console");
 161             putPage(FindCertPage.PATH, new FindCertPage(), "Support Console");
 162
 163             putPage(SupportUserDetailsPage.PATH + "*", new SupportUserDetailsPage(), null);
 164             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
 165             putPage(History.PATH, new History(false), "My Account");
 166             putPage(FindAgentAccess.PATH, new OneFormPage("Access to Find Agent", FindAgentAccess.class) {
 167
 168                 @Override
 169                 public String getSuccessPath(Form f) {
 170                     return FindAgentAccess.PATH;
 171                 }
 172             }, "My Account");
 173             putPage(History.SUPPORT_PATH, new History(true), null);
 174             putPage(UserTrainings.PATH, new UserTrainings(false), "My Account");
 175             putPage(MyDetails.PATH, new MyDetails(), "My Account");
 176             putPage(UserTrainings.SUPPORT_PATH, new UserTrainings(true), null);
 177             putPage(Points.SUPPORT_PATH, new Points(true), null);
 178             putPage(Certificates.SUPPORT_PATH + "/*", new Certificates(true), null);
 179
 180             putPage(PasswordResetPage.PATH, new PasswordResetPage(), null);
 181             putPage(LogoutPage.PATH, new LogoutPage(), null);
 182
 183             if (testing) {
 184                 try {
 185                     Class<?> manager = Class.forName("org.cacert.gigi.pages.Manager");
 186                     Page p = (Page) manager.getMethod("getInstance").invoke(null);
 187                     String pa = (String) manager.getField("PATH").get(null);
 188                     putPage(pa + "/*", p, "Gigi test server");
 189                 } catch (ReflectiveOperationException e) {
 190                     e.printStackTrace();
 191                 }
 192             }
 193
 194             try {
 195                 putPage("/wot/rules", new StaticPage("Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "Web of Trust");
 196             } catch (UnsupportedEncodingException e) {
 197                 throw new ServletException(e);
 198             }
 199             rootMenu = new MenuCollector();
 200
 201             Menu languages = new Menu("Language");
 202             addLanguages(languages);
 203             categories.add(languages);
 204             for (Menu menu : categories) {
 205                 menu.prepare();
 206                 rootMenu.put(menu);
 207             }
 208
 209             // rootMenu.prepare();
 210             return rootMenu;
 211         }
 212
 213         private void addLanguages(Menu languages) {
 214             for (Locale l : Language.getSupportedLocales()) {
 215                 languages.addItem(new SimpleUntranslatedMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 216             }
 217         }
 218
 219         public Map<String, Page> getPages() {
 220             return Collections.unmodifiableMap(pages);
 221         }
 222     }
 223
 224     public static final String LOGGEDIN = "loggedin";
 225
 226     public static final String CERT_SERIAL = "org.cacert.gigi.serial";
 227
 228     public static final String CERT_ISSUER = "org.cacert.gigi.issuer";
 229
 230     public static final String AUTH_CONTEXT = "auth";
 231
 232     public static final String LOGIN_METHOD = "org.cacert.gigi.loginMethod";
 233
 234     private static final long serialVersionUID = -6386785421902852904L;
 235
 236     private static Gigi instance;
 237
 238     private static final Template baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));;
 239
 240     private PingerDaemon pinger;
 241
 242     private KeyStore truststore;
 243
 244     private boolean testing;
 245
 246     private MenuCollector rootMenu;
 247
 248     private Map<String, Page> pages;
 249
 250     private boolean firstInstanceInited = false;
 251
 252     public Gigi(Properties conf, KeyStore truststore) {
 253         synchronized (Gigi.class) {
 254             if (instance != null) {
 255                 throw new IllegalStateException("Multiple Gigi instances!");
 256             }
 257             testing = conf.getProperty("testing") != null;
 258             instance = this;
 259             DomainAssessment.init(conf);
 260             DatabaseConnection.init(conf);
 261             TimeConditions.init(conf);
 262             PasswordHash.init(conf);
 263             this.truststore = truststore;
 264             pinger = new PingerDaemon(truststore);
 265             pinger.start();
 266         }
 267     }
 268
 269     @Override
 270     public synchronized void init() throws ServletException {
 271         if (firstInstanceInited) {
 272             super.init();
 273             return;
 274         }
 275         // ensure those static initializers are finished
 276         try (Link l = DatabaseConnection.newLink(false)) {
 277             CACertificate.getById(1);
 278             CertificateProfile.getById(1);
 279             CATSType.ASSURER_CHALLENGE.getDisplayName();
 280         } catch (InterruptedException e) {
 281             throw new Error(e);
 282         }
 283
 284         MenuBuilder mb = new MenuBuilder();
 285         rootMenu = mb.generateMenu();
 286         pages = mb.getPages();
 287
 288         firstInstanceInited = true;
 289         super.init();
 290     }
 291
 292     private Page getPage(String pathInfo) {
 293         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 294             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 295         }
 296         Page page = pages.get(pathInfo);
 297         if (page != null) {
 298             return page;
 299         }
 300         page = pages.get(pathInfo + "/*");
 301         if (page != null) {
 302             return page;
 303         }
 304         int idx = pathInfo.lastIndexOf('/');
 305         if (idx == -1 || idx == 0) {
 306             return null;
 307         }
 308
 309         page = pages.get(pathInfo.substring(0, idx) + "/*");
 310         if (page != null) {
 311             return page;
 312         }
 313         int lIdx = pathInfo.lastIndexOf('/', idx - 1);
 314         if (lIdx == -1) {
 315             return null;
 316         }
 317         String lastResort = pathInfo.substring(0, lIdx) + "/*" + pathInfo.substring(idx);
 318         page = pages.get(lastResort);
 319         return page;
 320
 321     }
 322
 323     private static String staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 324
 325     private static String staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 326
 327     private static String getStaticTemplateVar(boolean https) {
 328         if (https) {
 329             return staticTemplateVarHttps;
 330         } else {
 331             return staticTemplateVarHttp;
 332         }
 333     }
 334
 335     @Override
 336     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 337         if ("/error".equals(req.getPathInfo()) || "/denied".equals(req.getPathInfo())) {
 338             if (DatabaseConnection.hasInstance()) {
 339                 serviceWithConnection(req, resp);
 340                 return;
 341             }
 342         }
 343         try (DatabaseConnection.Link l = DatabaseConnection.newLink( !req.getMethod().equals("POST"))) {
 344             serviceWithConnection(req, resp);
 345         } catch (InterruptedException e) {
 346             e.printStackTrace();
 347         }
 348     }
 349
 350     protected void serviceWithConnection(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 351         boolean isSecure = req.isSecure();
 352         addXSSHeaders(resp, isSecure);
 353         // Firefox only sends this, if it's a cross domain access; safari sends
 354         // it always
 355         String originHeader = req.getHeader("Origin");
 356         if (originHeader != null //
 357                 && !(originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getWwwHostNamePortSecure()) + "(/.*|)") || //
 358                         originHeader.matches("^" + Pattern.quote("http://" + ServerConstants.getWwwHostNamePort()) + "(/.*|)") || //
 359                         originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getSecureHostNamePort()) + "(/.*|)"))) {
 360             resp.setContentType("text/html; charset=utf-8");
 361             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>");
 362             return;
 363         }
 364         HttpSession hs = req.getSession();
 365         String clientSerial = (String) hs.getAttribute(CERT_SERIAL);
 366         if (clientSerial != null) {
 367             X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
 368             if (cert == null || cert[0] == null//
 369                     || !cert[0].getSerialNumber().toString(16).toUpperCase().equals(clientSerial) //
 370                     || !cert[0].getIssuerDN().equals(hs.getAttribute(CERT_ISSUER))) {
 371                 hs.invalidate();
 372                 resp.sendError(403, "Certificate mismatch.");
 373                 return;
 374             }
 375
 376         }
 377         if (req.getParameter("lang") != null) {
 378             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 379             Language lu = Language.getInstance(l);
 380             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu != null ? lu.getLocale() : Locale.ENGLISH);
 381         }
 382         final Page p = getPage(req.getPathInfo());
 383
 384         if (p != null) {
 385             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 386                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 387                 return;
 388             }
 389             AuthorizationContext currentAuthContext = LoginPage.getAuthorizationContext(req);
 390             if ( !p.isPermitted(currentAuthContext)) {
 391                 if (hs.getAttribute("loggedin") == null) {
 392                     String request = req.getPathInfo();
 393                     request = request.split("\\?")[0];
 394                     hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 395                     resp.sendRedirect("/login");
 396                     return;
 397                 }
 398                 resp.sendError(403);
 399                 return;
 400             }
 401             if (p.beforeTemplate(req, resp)) {
 402                 return;
 403             }
 404             HashMap<String, Object> vars = new HashMap<String, Object>();
 405             // System.out.println(req.getMethod() + ": " + req.getPathInfo() +
 406             // " -> " + p);
 407             Outputable content = new Outputable() {
 408
 409                 @Override
 410                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 411                     try {
 412                         if (req.getMethod().equals("POST")) {
 413                             if (req.getQueryString() != null && !(p instanceof HandlesMixedRequest)) {
 414                                 return;
 415                             }
 416                             p.doPost(req, resp);
 417                         } else {
 418                             p.doGet(req, resp);
 419                         }
 420                     } catch (CSRFException err) {
 421                         try {
 422                             resp.sendError(500, "CSRF invalid");
 423                         } catch (IOException e) {
 424                             e.printStackTrace();
 425                         }
 426                     } catch (IOException e) {
 427                         e.printStackTrace();
 428                     }
 429
 430                 }
 431             };
 432             Language lang = Page.getLanguage(req);
 433
 434             vars.put(Menu.AUTH_VALUE, currentAuthContext);
 435             vars.put("menu", rootMenu);
 436             vars.put("title", lang.getTranslation(p.getTitle()));
 437             vars.put("static", getStaticTemplateVar(isSecure));
 438             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 439             vars.put("content", content);
 440             if (currentAuthContext != null) {
 441                 // TODO maybe move this information into the AuthContext object
 442                 vars.put("loginMethod", req.getSession().getAttribute(LOGIN_METHOD));
 443                 vars.put("authContext", currentAuthContext);
 444
 445             }
 446             resp.setContentType("text/html; charset=utf-8");
 447             baseTemplate.output(resp.getWriter(), lang, vars);
 448         } else {
 449             resp.sendError(404, "Page not found.");
 450         }
 451
 452     }
 453
 454     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 455         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 456         hsr.addHeader("Access-Control-Max-Age", "60");
 457         if (doHttps) {
 458             hsr.addHeader("Content-Security-Policy", httpsCSP);
 459         } else {
 460             hsr.addHeader("Content-Security-Policy", httpCSP);
 461         }
 462         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 463
 464     }
 465
 466     private static String httpsCSP = genHttpsCSP();
 467
 468     private static String httpCSP = genHttpCSP();
 469
 470     private static String genHttpsCSP() {
 471         StringBuffer csp = new StringBuffer();
 472         csp.append("default-src 'none'");
 473         csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 474         csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 475         csp.append(";media-src 'none'; object-src 'none'");
 476         csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 477         csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 478         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 479         // csp.append(";report-url https://api.cacert.org/security/csp/report");
 480         return csp.toString();
 481     }
 482
 483     private static String genHttpCSP() {
 484         StringBuffer csp = new StringBuffer();
 485         csp.append("default-src 'none'");
 486         csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 487         csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 488         csp.append(";media-src 'none'; object-src 'none'");
 489         csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 490         csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 491         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 492         // csp.append(";report-url http://api.cacert.org/security/csp/report");
 493         return csp.toString();
 494     }
 495
 496     /**
 497      * Requests Pinging of domains.
 498      *
 499      * @param toReping
 500      *            if not null, the {@link DomainPingConfiguration} to test, if
 501      *            null, just re-check if there is something to do.
 502      */
 503     public static void notifyPinger(DomainPingConfiguration toReping) {
 504         if (toReping != null) {
 505             instance.pinger.queue(toReping);
 506         }
 507         instance.pinger.interrupt();
 508     }
 509
 510 }