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