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