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