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