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