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(History.PATH, new History(false), "My Account");
 159             putPage(FindAgentAccess.PATH, new OneFormPage("Access to Find Agent", FindAgentAccess.class) {
 160
 161                 @Override
 162                 public String getSuccessPath(Form f) {
 163                     return FindAgentAccess.PATH;
 164                 }
 165             }, "My Account");
 166             putPage(History.SUPPORT_PATH, new History(true), null);
 167             putPage(UserTrainings.PATH, new UserTrainings(false), "My Account");
 168             putPage(MyDetails.PATH, new MyDetails(), "My Account");
 169             putPage(UserTrainings.SUPPORT_PATH, new UserTrainings(true), null);
 170
 171             putPage(PasswordResetPage.PATH, new PasswordResetPage(), null);
 172             putPage(LogoutPage.PATH, new LogoutPage(), 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             rootMenu = new MenuCollector();
 191
 192             Menu languages = new Menu("Language");
 193             for (Locale l : Language.getSupportedLocales()) {
 194                 languages.addItem(new SimpleMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 195             }
 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         public Map<String, Page> getPages() {
 207             return Collections.unmodifiableMap(pages);
 208         }
 209     }
 210
 211     public static final String LOGGEDIN = "loggedin";
 212
 213     public static final String CERT_SERIAL = "org.cacert.gigi.serial";
 214
 215     public static final String CERT_ISSUER = "org.cacert.gigi.issuer";
 216
 217     public static final String AUTH_CONTEXT = "auth";
 218
 219     public static final String LOGIN_METHOD = "org.cacert.gigi.loginMethod";
 220
 221     private static final long serialVersionUID = -6386785421902852904L;
 222
 223     private static Gigi instance;
 224
 225     private static final Template baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));;
 226
 227     private PingerDaemon pinger;
 228
 229     private KeyStore truststore;
 230
 231     private boolean testing;
 232
 233     private MenuCollector rootMenu;
 234
 235     private Map<String, Page> pages;
 236
 237     private boolean firstInstanceInited = false;
 238
 239     public Gigi(Properties conf, KeyStore truststore) {
 240         synchronized (Gigi.class) {
 241             if (instance != null) {
 242                 throw new IllegalStateException("Multiple Gigi instances!");
 243             }
 244             testing = conf.getProperty("testing") != null;
 245             instance = this;
 246             DomainAssessment.init(conf);
 247             DatabaseConnection.init(conf);
 248             this.truststore = truststore;
 249             pinger = new PingerDaemon(truststore);
 250             pinger.start();
 251         }
 252     }
 253
 254     @Override
 255     public synchronized void init() throws ServletException {
 256         if (firstInstanceInited) {
 257             super.init();
 258             return;
 259         }
 260         // ensure those static initializers are finished
 261         try (Link l = DatabaseConnection.newLink(false)) {
 262             CACertificate.getById(1);
 263             CertificateProfile.getById(1);
 264             CATSType.ASSURER_CHALLENGE.getDisplayName();
 265         } catch (InterruptedException e) {
 266             throw new Error(e);
 267         }
 268
 269         MenuBuilder mb = new MenuBuilder();
 270         rootMenu = mb.generateMenu();
 271         pages = mb.getPages();
 272
 273         firstInstanceInited = true;
 274         super.init();
 275     }
 276
 277     private Page getPage(String pathInfo) {
 278         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 279             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 280         }
 281         Page page = pages.get(pathInfo);
 282         if (page != null) {
 283             return page;
 284         }
 285         page = pages.get(pathInfo + "/*");
 286         if (page != null) {
 287             return page;
 288         }
 289         int idx = pathInfo.lastIndexOf('/');
 290         if (idx == -1 || idx == 0) {
 291             return null;
 292         }
 293
 294         page = pages.get(pathInfo.substring(0, idx) + "/*");
 295         if (page != null) {
 296             return page;
 297         }
 298         int lIdx = pathInfo.lastIndexOf('/', idx - 1);
 299         if (lIdx == -1) {
 300             return null;
 301         }
 302         String lastResort = pathInfo.substring(0, lIdx) + "/*" + pathInfo.substring(idx);
 303         page = pages.get(lastResort);
 304         return page;
 305
 306     }
 307
 308     private static String staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 309
 310     private static String staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 311
 312     private static String getStaticTemplateVar(boolean https) {
 313         if (https) {
 314             return staticTemplateVarHttps;
 315         } else {
 316             return staticTemplateVarHttp;
 317         }
 318     }
 319
 320     @Override
 321     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 322         if ("/error".equals(req.getPathInfo()) || "/denied".equals(req.getPathInfo())) {
 323             if (DatabaseConnection.hasInstance()) {
 324                 serviceWithConnection(req, resp);
 325                 return;
 326             }
 327         }
 328         try (DatabaseConnection.Link l = DatabaseConnection.newLink( !req.getMethod().equals("POST"))) {
 329             serviceWithConnection(req, resp);
 330         } catch (InterruptedException e) {
 331             e.printStackTrace();
 332         }
 333     }
 334
 335     protected void serviceWithConnection(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 336         boolean isSecure = req.isSecure();
 337         addXSSHeaders(resp, isSecure);
 338         // Firefox only sends this, if it's a cross domain access; safari sends
 339         // it always
 340         String originHeader = req.getHeader("Origin");
 341         if (originHeader != null //
 342                 && !(originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getWwwHostNamePortSecure()) + "(/.*|)") || //
 343                         originHeader.matches("^" + Pattern.quote("http://" + ServerConstants.getWwwHostNamePort()) + "(/.*|)") || //
 344                         originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getSecureHostNamePort()) + "(/.*|)"))) {
 345             resp.setContentType("text/html; charset=utf-8");
 346             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>");
 347             return;
 348         }
 349         HttpSession hs = req.getSession();
 350         String clientSerial = (String) hs.getAttribute(CERT_SERIAL);
 351         if (clientSerial != null) {
 352             X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
 353             if (cert == null || cert[0] == null//
 354                     || !cert[0].getSerialNumber().toString(16).toUpperCase().equals(clientSerial) //
 355                     || !cert[0].getIssuerDN().equals(hs.getAttribute(CERT_ISSUER))) {
 356                 hs.invalidate();
 357                 resp.sendError(403, "Certificate mismatch.");
 358                 return;
 359             }
 360
 361         }
 362         if (req.getParameter("lang") != null) {
 363             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 364             Language lu = Language.getInstance(l);
 365             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu.getLocale());
 366         }
 367         final Page p = getPage(req.getPathInfo());
 368
 369         if (p != null) {
 370             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 371                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 372                 return;
 373             }
 374             AuthorizationContext currentAuthContext = LoginPage.getAuthorizationContext(req);
 375             if ( !p.isPermitted(currentAuthContext)) {
 376                 if (hs.getAttribute("loggedin") == null) {
 377                     String request = req.getPathInfo();
 378                     request = request.split("\\?")[0];
 379                     hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 380                     resp.sendRedirect("/login");
 381                     return;
 382                 }
 383                 resp.sendError(403);
 384                 return;
 385             }
 386             if (p.beforeTemplate(req, resp)) {
 387                 return;
 388             }
 389             HashMap<String, Object> vars = new HashMap<String, Object>();
 390             // System.out.println(req.getMethod() + ": " + req.getPathInfo() +
 391             // " -> " + p);
 392             Outputable content = new Outputable() {
 393
 394                 @Override
 395                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 396                     try {
 397                         if (req.getMethod().equals("POST")) {
 398                             if (req.getQueryString() != null && !(p instanceof HandlesMixedRequest)) {
 399                                 return;
 400                             }
 401                             p.doPost(req, resp);
 402                         } else {
 403                             p.doGet(req, resp);
 404                         }
 405                     } catch (CSRFException err) {
 406                         try {
 407                             resp.sendError(500, "CSRF invalid");
 408                         } catch (IOException e) {
 409                             e.printStackTrace();
 410                         }
 411                     } catch (IOException e) {
 412                         e.printStackTrace();
 413                     }
 414
 415                 }
 416             };
 417             Language lang = Page.getLanguage(req);
 418
 419             vars.put(Menu.AUTH_VALUE, currentAuthContext);
 420             vars.put("menu", rootMenu);
 421             vars.put("title", lang.getTranslation(p.getTitle()));
 422             vars.put("static", getStaticTemplateVar(isSecure));
 423             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 424             vars.put("content", content);
 425             if (currentAuthContext != null) {
 426                 // TODO maybe move this information into the AuthContext object
 427                 vars.put("loginMethod", req.getSession().getAttribute(LOGIN_METHOD));
 428                 vars.put("authContext", currentAuthContext);
 429
 430             }
 431             resp.setContentType("text/html; charset=utf-8");
 432             baseTemplate.output(resp.getWriter(), lang, vars);
 433         } else {
 434             resp.sendError(404, "Page not found.");
 435         }
 436
 437     }
 438
 439     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 440         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 441         hsr.addHeader("Access-Control-Max-Age", "60");
 442         if (doHttps) {
 443             hsr.addHeader("Content-Security-Policy", httpsCSP);
 444         } else {
 445             hsr.addHeader("Content-Security-Policy", httpCSP);
 446         }
 447         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 448
 449     }
 450
 451     private static String httpsCSP = genHttpsCSP();
 452
 453     private static String httpCSP = genHttpCSP();
 454
 455     private static String genHttpsCSP() {
 456         StringBuffer csp = new StringBuffer();
 457         csp.append("default-src 'none'");
 458         csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 459         csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 460         csp.append(";media-src 'none'; object-src 'none'");
 461         csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 462         csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 463         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 464         // csp.append(";report-url https://api.cacert.org/security/csp/report");
 465         return csp.toString();
 466     }
 467
 468     private static String genHttpCSP() {
 469         StringBuffer csp = new StringBuffer();
 470         csp.append("default-src 'none'");
 471         csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 472         csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 473         csp.append(";media-src 'none'; object-src 'none'");
 474         csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 475         csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 476         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 477         // csp.append(";report-url http://api.cacert.org/security/csp/report");
 478         return csp.toString();
 479     }
 480
 481     /**
 482      * Requests Pinging of domains.
 483      *
 484      * @param toReping
 485      *            if not null, the {@link DomainPingConfiguration} to test, if
 486      *            null, just re-check if there is something to do.
 487      */
 488     public static void notifyPinger(DomainPingConfiguration toReping) {
 489         if (toReping != null) {
 490             instance.pinger.queue(toReping);
 491         }
 492         instance.pinger.interrupt();
 493     }
 494
 495 }