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