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