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