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