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