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