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