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             putPage("/dbs", new Page("Database set") {
 160
 161                 @Override
 162                 public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
 163                     DatabaseConnection.getInstance().lockedStatements(resp.getWriter());
 164                 }
 165             }, "Database set");
 166
 167             if (testing) {
 168                 try {
 169                     Class<?> manager = Class.forName("org.cacert.gigi.pages.Manager");
 170                     Page p = (Page) manager.getMethod("getInstance").invoke(null);
 171                     String pa = (String) manager.getField("PATH").get(null);
 172                     putPage(pa + "/*", p, "Gigi test server");
 173                 } catch (ReflectiveOperationException e) {
 174                     e.printStackTrace();
 175                 }
 176             }
 177
 178             try {
 179                 putPage("/wot/rules", new StaticPage("Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "Web of Trust");
 180             } catch (UnsupportedEncodingException e) {
 181                 throw new ServletException(e);
 182             }
 183             baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
 184             rootMenu = new Menu("Main");
 185             Menu about = new Menu("About CAcert.org");
 186             categories.add(about);
 187
 188             about.addItem(new SimpleMenuItem("//blog.cacert.org/", "CAcert News"));
 189             about.addItem(new SimpleMenuItem("//wiki.cacert.org/", "Wiki Documentation"));
 190             putPage(PolicyIndex.DEFAULT_PATH, new PolicyIndex(), "About CAcert.org");
 191             about.addItem(new SimpleMenuItem("//wiki.cacert.org/FAQ/Privileges", "Point System"));
 192             about.addItem(new SimpleMenuItem("//bugs.cacert.org/", "Bug Database"));
 193             about.addItem(new SimpleMenuItem("//wiki.cacert.org/Board", "CAcert Board"));
 194             about.addItem(new SimpleMenuItem("//lists.cacert.org/wws", "Mailing Lists"));
 195             about.addItem(new SimpleMenuItem("//blog.CAcert.org/feed", "RSS News Feed"));
 196
 197             Menu languages = new Menu("Translations");
 198             for (Locale l : Language.getSupportedLocales()) {
 199                 languages.addItem(new SimpleMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 200             }
 201             categories.add(languages);
 202             for (Menu menu : categories) {
 203                 menu.prepare();
 204                 rootMenu.addItem(menu);
 205             }
 206
 207             rootMenu.prepare();
 208             return rootMenu;
 209         }
 210
 211         public Map<String, Page> getPages() {
 212             return Collections.unmodifiableMap(pages);
 213         }
 214     }
 215
 216     public static final String LOGGEDIN = "loggedin";
 217
 218     public static final String CERT_SERIAL = "org.cacert.gigi.serial";
 219
 220     public static final String CERT_ISSUER = "org.cacert.gigi.issuer";
 221
 222     public static final String AUTH_CONTEXT = "auth";
 223
 224     public static final String LOGIN_METHOD = "org.cacert.gigi.loginMethod";
 225
 226     private static final long serialVersionUID = -6386785421902852904L;
 227
 228     private static Gigi instance;
 229
 230     private Template baseTemplate;
 231
 232     private PingerDaemon pinger;
 233
 234     private KeyStore truststore;
 235
 236     private boolean testing;
 237
 238     private Menu rootMenu;
 239
 240     private Map<String, Page> pages;
 241
 242     private boolean firstInstanceInited = false;
 243
 244     public Gigi(Properties conf, KeyStore truststore) {
 245         synchronized (Gigi.class) {
 246             if (instance != null) {
 247                 throw new IllegalStateException("Multiple Gigi instances!");
 248             }
 249             testing = conf.getProperty("testing") != null;
 250             instance = this;
 251             DatabaseConnection.init(conf);
 252             this.truststore = truststore;
 253             pinger = new PingerDaemon(truststore);
 254             pinger.start();
 255         }
 256     }
 257
 258     @Override
 259     public synchronized void init() throws ServletException {
 260         if (firstInstanceInited) {
 261             super.init();
 262             return;
 263         }
 264         // ensure those static initializers are finished
 265         CACertificate.getById(1);
 266         CertificateProfile.getById(1);
 267
 268         MenuBuilder mb = new MenuBuilder();
 269         rootMenu = mb.generateMenu();
 270         pages = mb.getPages();
 271
 272         firstInstanceInited = true;
 273         super.init();
 274     }
 275
 276     private Page getPage(String pathInfo) {
 277         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 278             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 279         }
 280         Page page = pages.get(pathInfo);
 281         if (page != null) {
 282             return page;
 283         }
 284         page = pages.get(pathInfo + "/*");
 285         if (page != null) {
 286             return page;
 287         }
 288         int idx = pathInfo.lastIndexOf('/');
 289         if (idx == -1 || idx == 0) {
 290             return null;
 291         }
 292
 293         page = pages.get(pathInfo.substring(0, idx) + "/*");
 294         if (page != null) {
 295             return page;
 296         }
 297         int lIdx = pathInfo.lastIndexOf('/', idx - 1);
 298         if (lIdx == -1) {
 299             return null;
 300         }
 301         String lastResort = pathInfo.substring(0, lIdx) + "/*" + pathInfo.substring(idx);
 302         page = pages.get(lastResort);
 303         return page;
 304
 305     }
 306
 307     private static String staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 308
 309     private static String staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 310
 311     private static String getStaticTemplateVar(boolean https) {
 312         if (https) {
 313             return staticTemplateVarHttps;
 314         } else {
 315             return staticTemplateVarHttp;
 316         }
 317     }
 318
 319     @Override
 320     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 321         boolean isSecure = req.isSecure();
 322         addXSSHeaders(resp, isSecure);
 323         // Firefox only sends this, if it's a cross domain access; safari sends
 324         // it always
 325         String originHeader = req.getHeader("Origin");
 326         if (originHeader != null //
 327                 &&
 328                 !(originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getWwwHostNamePortSecure()) + "(/.*|)") || //
 329                         originHeader.matches("^" + Pattern.quote("http://" + ServerConstants.getWwwHostNamePort()) + "(/.*|)") || //
 330                 originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getSecureHostNamePort()) + "(/.*|)"))) {
 331             resp.setContentType("text/html; charset=utf-8");
 332             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>");
 333             return;
 334         }
 335         HttpSession hs = req.getSession();
 336         String clientSerial = (String) hs.getAttribute(CERT_SERIAL);
 337         if (clientSerial != null) {
 338             X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
 339             if (cert == null || cert[0] == null//
 340                     || !cert[0].getSerialNumber().toString(16).toUpperCase().equals(clientSerial) //
 341                     || !cert[0].getIssuerDN().equals(hs.getAttribute(CERT_ISSUER))) {
 342                 hs.invalidate();
 343                 resp.sendError(403, "Certificate mismatch.");
 344                 return;
 345             }
 346
 347         }
 348         if (req.getParameter("lang") != null) {
 349             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 350             Language lu = Language.getInstance(l);
 351             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu.getLocale());
 352         }
 353         final Page p = getPage(req.getPathInfo());
 354
 355         if (p != null) {
 356             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 357                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 358                 return;
 359             }
 360             AuthorizationContext currentAuthContext = LoginPage.getAuthorizationContext(req);
 361             if ( !p.isPermitted(currentAuthContext)) {
 362                 if (hs.getAttribute("loggedin") == null) {
 363                     String request = req.getPathInfo();
 364                     request = request.split("\\?")[0];
 365                     hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 366                     resp.sendRedirect("/login");
 367                     return;
 368                 }
 369                 resp.sendError(403);
 370                 return;
 371             }
 372             if (p.beforeTemplate(req, resp)) {
 373                 return;
 374             }
 375             HashMap<String, Object> vars = new HashMap<String, Object>();
 376             // System.out.println(req.getMethod() + ": " + req.getPathInfo() +
 377             // " -> " + p);
 378             Outputable content = new Outputable() {
 379
 380                 @Override
 381                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 382                     try {
 383                         if (req.getMethod().equals("POST")) {
 384                             if (req.getQueryString() != null && !(p instanceof HandlesMixedRequest)) {
 385                                 return;
 386                             }
 387                             p.doPost(req, resp);
 388                         } else {
 389                             p.doGet(req, resp);
 390                         }
 391                     } catch (CSRFException err) {
 392                         try {
 393                             resp.sendError(500, "CSRF invalid");
 394                         } catch (IOException e) {
 395                             e.printStackTrace();
 396                         }
 397                     } catch (IOException e) {
 398                         e.printStackTrace();
 399                     }
 400
 401                 }
 402             };
 403             Language lang = Page.getLanguage(req);
 404
 405             vars.put(Menu.AUTH_VALUE, currentAuthContext);
 406             vars.put("menu", rootMenu);
 407             vars.put("title", lang.getTranslation(p.getTitle()));
 408             vars.put("static", getStaticTemplateVar(isSecure));
 409             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 410             vars.put("content", content);
 411             if (currentAuthContext != null) {
 412                 // TODO maybe move this information into the AuthContext object
 413                 vars.put("loginMethod", lang.getTranslation((String) req.getSession().getAttribute(LOGIN_METHOD)));
 414                 vars.put("authContext", currentAuthContext);
 415
 416             }
 417             resp.setContentType("text/html; charset=utf-8");
 418             baseTemplate.output(resp.getWriter(), lang, vars);
 419         } else {
 420             resp.sendError(404, "Page not found.");
 421         }
 422
 423     }
 424
 425     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 426         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 427         hsr.addHeader("Access-Control-Max-Age", "60");
 428         if (doHttps) {
 429             hsr.addHeader("Content-Security-Policy", httpsCSP);
 430         } else {
 431             hsr.addHeader("Content-Security-Policy", httpCSP);
 432         }
 433         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 434
 435     }
 436
 437     private static String httpsCSP = genHttpsCSP();
 438
 439     private static String httpCSP = genHttpCSP();
 440
 441     private static String genHttpsCSP() {
 442         StringBuffer csp = new StringBuffer();
 443         csp.append("default-src 'none'");
 444         csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 445         csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 446         csp.append(";media-src 'none'; object-src 'none'");
 447         csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 448         csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 449         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 450         csp.append(";report-url https://api.cacert.org/security/csp/report");
 451         return csp.toString();
 452     }
 453
 454     private static String genHttpCSP() {
 455         StringBuffer csp = new StringBuffer();
 456         csp.append("default-src 'none'");
 457         csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 458         csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 459         csp.append(";media-src 'none'; object-src 'none'");
 460         csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 461         csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 462         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 463         csp.append(";report-url http://api.cacert.org/security/csp/report");
 464         return csp.toString();
 465     }
 466
 467     /**
 468      * Requests Pinging of domains.
 469      *
 470      * @param toReping
 471      *            if not null, the {@link DomainPingConfiguration} to test, if
 472      *            null, just re-check if there is something to do.
 473      */
 474     public static void notifyPinger(DomainPingConfiguration toReping) {
 475         if (toReping != null) {
 476             instance.pinger.queue(toReping);
 477         }
 478         instance.pinger.interrupt();
 479     }
 480
 481 }