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.MenuCollector;
  30 import org.cacert.gigi.output.PageMenuItem;
  31 import org.cacert.gigi.output.SimpleMenuItem;
  32 import org.cacert.gigi.output.template.Form.CSRFException;
  33 import org.cacert.gigi.output.template.Outputable;
  34 import org.cacert.gigi.output.template.Template;
  35 import org.cacert.gigi.pages.HandlesMixedRequest;
  36 import org.cacert.gigi.pages.LoginPage;
  37 import org.cacert.gigi.pages.LogoutPage;
  38 import org.cacert.gigi.pages.MainPage;
  39 import org.cacert.gigi.pages.Page;
  40 import org.cacert.gigi.pages.PasswordResetPage;
  41 import org.cacert.gigi.pages.PolicyIndex;
  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("Password Login"), null);
 113             getMenu("CAcert.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("CAcert.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("CAcert - Home"), null);
 128             putPage("/roots", new RootCertPage(truststore), "CAcert.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(), "CAcert.org");
 134             putPage(CertificateAdd.PATH, new CertificateAdd(), "Certificates");
 135             putPage(MailOverview.DEFAULT_PATH, new MailOverview("Email addresses"), "Certificates");
 136             putPage(DomainOverview.PATH + "*", new DomainOverview("Domains"), "Certificates");
 137
 138             putPage(AssurePage.PATH + "/*", new AssurePage(), "Web of Trust");
 139             putPage(MyPoints.PATH, new MyPoints("My Points"), "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("Find User"), "Support Console");
 149             putPage(FindDomainPage.PATH, new FindDomainPage("Find Domain"), "Support Console");
 150
 151             putPage(SupportUserDetailsPage.PATH + "*", new SupportUserDetailsPage("Support: User Details"), null);
 152             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
 153             putPage(LogoutPage.PATH, new LogoutPage("Logout"), "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             Menu about = new Menu("About CAcert.org");
 181             categories.add(about);
 182
 183             about.addItem(new SimpleMenuItem("//blog.cacert.org/", "CAcert News"));
 184             about.addItem(new SimpleMenuItem("//wiki.cacert.org/", "Wiki Documentation"));
 185             putPage(PolicyIndex.DEFAULT_PATH, new PolicyIndex(), "About CAcert.org");
 186             about.addItem(new SimpleMenuItem("//wiki.cacert.org/FAQ/Privileges", "Point System"));
 187             about.addItem(new SimpleMenuItem("//bugs.cacert.org/", "Bug Database"));
 188             about.addItem(new SimpleMenuItem("//wiki.cacert.org/Board", "CAcert Board"));
 189             about.addItem(new SimpleMenuItem("//lists.cacert.org/wws", "Mailing Lists"));
 190             about.addItem(new SimpleMenuItem("//blog.CAcert.org/feed", "RSS News Feed"));
 191             about.addItem(new SimpleMenuItem("//wiki.cacert.org/Impress", "Impress"));
 192
 193             Menu languages = new Menu("Translations");
 194             for (Locale l : Language.getSupportedLocales()) {
 195                 languages.addItem(new SimpleMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 196             }
 197             categories.add(languages);
 198             for (Menu menu : categories) {
 199                 menu.prepare();
 200                 rootMenu.put(menu);
 201             }
 202
 203             // rootMenu.prepare();
 204             return rootMenu;
 205         }
 206
 207         public Map<String, Page> getPages() {
 208             return Collections.unmodifiableMap(pages);
 209         }
 210     }
 211
 212     public static final String LOGGEDIN = "loggedin";
 213
 214     public static final String CERT_SERIAL = "org.cacert.gigi.serial";
 215
 216     public static final String CERT_ISSUER = "org.cacert.gigi.issuer";
 217
 218     public static final String AUTH_CONTEXT = "auth";
 219
 220     public static final String LOGIN_METHOD = "org.cacert.gigi.loginMethod";
 221
 222     private static final long serialVersionUID = -6386785421902852904L;
 223
 224     private static Gigi instance;
 225
 226     private Template baseTemplate;
 227
 228     private PingerDaemon pinger;
 229
 230     private KeyStore truststore;
 231
 232     private boolean testing;
 233
 234     private MenuCollector rootMenu;
 235
 236     private Map<String, Page> pages;
 237
 238     private boolean firstInstanceInited = false;
 239
 240     public Gigi(Properties conf, KeyStore truststore) {
 241         synchronized (Gigi.class) {
 242             if (instance != null) {
 243                 throw new IllegalStateException("Multiple Gigi instances!");
 244             }
 245             testing = conf.getProperty("testing") != null;
 246             instance = this;
 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         CACertificate.getById(1);
 262         CertificateProfile.getById(1);
 263
 264         MenuBuilder mb = new MenuBuilder();
 265         rootMenu = mb.generateMenu();
 266         pages = mb.getPages();
 267
 268         firstInstanceInited = true;
 269         super.init();
 270     }
 271
 272     private Page getPage(String pathInfo) {
 273         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 274             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 275         }
 276         Page page = pages.get(pathInfo);
 277         if (page != null) {
 278             return page;
 279         }
 280         page = pages.get(pathInfo + "/*");
 281         if (page != null) {
 282             return page;
 283         }
 284         int idx = pathInfo.lastIndexOf('/');
 285         if (idx == -1 || idx == 0) {
 286             return null;
 287         }
 288
 289         page = pages.get(pathInfo.substring(0, idx) + "/*");
 290         if (page != null) {
 291             return page;
 292         }
 293         int lIdx = pathInfo.lastIndexOf('/', idx - 1);
 294         if (lIdx == -1) {
 295             return null;
 296         }
 297         String lastResort = pathInfo.substring(0, lIdx) + "/*" + pathInfo.substring(idx);
 298         page = pages.get(lastResort);
 299         return page;
 300
 301     }
 302
 303     private static String staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 304
 305     private static String staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 306
 307     private static String getStaticTemplateVar(boolean https) {
 308         if (https) {
 309             return staticTemplateVarHttps;
 310         } else {
 311             return staticTemplateVarHttp;
 312         }
 313     }
 314
 315     @Override
 316     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 317         boolean isSecure = req.isSecure();
 318         addXSSHeaders(resp, isSecure);
 319         // Firefox only sends this, if it's a cross domain access; safari sends
 320         // it always
 321         String originHeader = req.getHeader("Origin");
 322         if (originHeader != null //
 323                 &&
 324                 !(originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getWwwHostNamePortSecure()) + "(/.*|)") || //
 325                         originHeader.matches("^" + Pattern.quote("http://" + ServerConstants.getWwwHostNamePort()) + "(/.*|)") || //
 326                 originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getSecureHostNamePort()) + "(/.*|)"))) {
 327             resp.setContentType("text/html; charset=utf-8");
 328             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>");
 329             return;
 330         }
 331         HttpSession hs = req.getSession();
 332         String clientSerial = (String) hs.getAttribute(CERT_SERIAL);
 333         if (clientSerial != null) {
 334             X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
 335             if (cert == null || cert[0] == null//
 336                     || !cert[0].getSerialNumber().toString(16).toUpperCase().equals(clientSerial) //
 337                     || !cert[0].getIssuerDN().equals(hs.getAttribute(CERT_ISSUER))) {
 338                 hs.invalidate();
 339                 resp.sendError(403, "Certificate mismatch.");
 340                 return;
 341             }
 342
 343         }
 344         if (req.getParameter("lang") != null) {
 345             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 346             Language lu = Language.getInstance(l);
 347             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu.getLocale());
 348         }
 349         final Page p = getPage(req.getPathInfo());
 350
 351         if (p != null) {
 352             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 353                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 354                 return;
 355             }
 356             AuthorizationContext currentAuthContext = LoginPage.getAuthorizationContext(req);
 357             if ( !p.isPermitted(currentAuthContext)) {
 358                 if (hs.getAttribute("loggedin") == null) {
 359                     String request = req.getPathInfo();
 360                     request = request.split("\\?")[0];
 361                     hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 362                     resp.sendRedirect("/login");
 363                     return;
 364                 }
 365                 resp.sendError(403);
 366                 return;
 367             }
 368             if (p.beforeTemplate(req, resp)) {
 369                 return;
 370             }
 371             HashMap<String, Object> vars = new HashMap<String, Object>();
 372             // System.out.println(req.getMethod() + ": " + req.getPathInfo() +
 373             // " -> " + p);
 374             Outputable content = new Outputable() {
 375
 376                 @Override
 377                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 378                     try {
 379                         if (req.getMethod().equals("POST")) {
 380                             if (req.getQueryString() != null && !(p instanceof HandlesMixedRequest)) {
 381                                 return;
 382                             }
 383                             p.doPost(req, resp);
 384                         } else {
 385                             p.doGet(req, resp);
 386                         }
 387                     } catch (CSRFException err) {
 388                         try {
 389                             resp.sendError(500, "CSRF invalid");
 390                         } catch (IOException e) {
 391                             e.printStackTrace();
 392                         }
 393                     } catch (IOException e) {
 394                         e.printStackTrace();
 395                     }
 396
 397                 }
 398             };
 399             Language lang = Page.getLanguage(req);
 400
 401             vars.put(Menu.AUTH_VALUE, currentAuthContext);
 402             vars.put("menu", rootMenu);
 403             vars.put("title", lang.getTranslation(p.getTitle()));
 404             vars.put("static", getStaticTemplateVar(isSecure));
 405             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 406             vars.put("content", content);
 407             if (currentAuthContext != null) {
 408                 // TODO maybe move this information into the AuthContext object
 409                 vars.put("loginMethod", lang.getTranslation((String) req.getSession().getAttribute(LOGIN_METHOD)));
 410                 vars.put("authContext", currentAuthContext);
 411
 412             }
 413             resp.setContentType("text/html; charset=utf-8");
 414             baseTemplate.output(resp.getWriter(), lang, vars);
 415         } else {
 416             resp.sendError(404, "Page not found.");
 417         }
 418
 419     }
 420
 421     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 422         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 423         hsr.addHeader("Access-Control-Max-Age", "60");
 424         if (doHttps) {
 425             hsr.addHeader("Content-Security-Policy", httpsCSP);
 426         } else {
 427             hsr.addHeader("Content-Security-Policy", httpCSP);
 428         }
 429         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 430
 431     }
 432
 433     private static String httpsCSP = genHttpsCSP();
 434
 435     private static String httpCSP = genHttpCSP();
 436
 437     private static String genHttpsCSP() {
 438         StringBuffer csp = new StringBuffer();
 439         csp.append("default-src 'none'");
 440         csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 441         csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 442         csp.append(";media-src 'none'; object-src 'none'");
 443         csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 444         csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 445         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 446         csp.append(";report-url https://api.cacert.org/security/csp/report");
 447         return csp.toString();
 448     }
 449
 450     private static String genHttpCSP() {
 451         StringBuffer csp = new StringBuffer();
 452         csp.append("default-src 'none'");
 453         csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 454         csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 455         csp.append(";media-src 'none'; object-src 'none'");
 456         csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 457         csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 458         csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 459         csp.append(";report-url http://api.cacert.org/security/csp/report");
 460         return csp.toString();
 461     }
 462
 463     /**
 464      * Requests Pinging of domains.
 465      *
 466      * @param toReping
 467      *            if not null, the {@link DomainPingConfiguration} to test, if
 468      *            null, just re-check if there is something to do.
 469      */
 470     public static void notifyPinger(DomainPingConfiguration toReping) {
 471         if (toReping != null) {
 472             instance.pinger.queue(toReping);
 473         }
 474         instance.pinger.interrupt();
 475     }
 476
 477 }