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