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