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.HashMap;
  10 import java.util.LinkedList;
  11 import java.util.Locale;
  12 import java.util.Map;
  13 import java.util.Properties;
  14 import java.util.regex.Pattern;
  15
  16 import javax.servlet.ServletException;
  17 import javax.servlet.http.HttpServlet;
  18 import javax.servlet.http.HttpServletRequest;
  19 import javax.servlet.http.HttpServletResponse;
  20 import javax.servlet.http.HttpSession;
  21
  22 import org.cacert.gigi.database.DatabaseConnection;
  23 import org.cacert.gigi.dbObjects.DomainPingConfiguration;
  24 import org.cacert.gigi.dbObjects.User;
  25 import org.cacert.gigi.localisation.Language;
  26 import org.cacert.gigi.output.Menu;
  27 import org.cacert.gigi.output.PageMenuItem;
  28 import org.cacert.gigi.output.SimpleMenuItem;
  29 import org.cacert.gigi.output.template.Form.CSRFException;
  30 import org.cacert.gigi.output.template.Outputable;
  31 import org.cacert.gigi.output.template.Template;
  32 import org.cacert.gigi.pages.LoginPage;
  33 import org.cacert.gigi.pages.LogoutPage;
  34 import org.cacert.gigi.pages.MainPage;
  35 import org.cacert.gigi.pages.Page;
  36 import org.cacert.gigi.pages.PolicyIndex;
  37 import org.cacert.gigi.pages.RootCertPage;
  38 import org.cacert.gigi.pages.StaticPage;
  39 import org.cacert.gigi.pages.TestSecure;
  40 import org.cacert.gigi.pages.Verify;
  41 import org.cacert.gigi.pages.account.ChangePasswordPage;
  42 import org.cacert.gigi.pages.account.MyDetails;
  43 import org.cacert.gigi.pages.account.certs.CertificateAdd;
  44 import org.cacert.gigi.pages.account.certs.Certificates;
  45 import org.cacert.gigi.pages.account.domain.DomainOverview;
  46 import org.cacert.gigi.pages.account.mail.MailOverview;
  47 import org.cacert.gigi.pages.admin.TTPAdminPage;
  48 import org.cacert.gigi.pages.admin.support.FindDomainPage;
  49 import org.cacert.gigi.pages.admin.support.FindUserPage;
  50 import org.cacert.gigi.pages.admin.support.SupportUserDetailsPage;
  51 import org.cacert.gigi.pages.error.AccessDenied;
  52 import org.cacert.gigi.pages.error.PageNotFound;
  53 import org.cacert.gigi.pages.main.RegisterPage;
  54 import org.cacert.gigi.pages.orga.CreateOrgPage;
  55 import org.cacert.gigi.pages.orga.ViewOrgPage;
  56 import org.cacert.gigi.pages.wot.AssurePage;
  57 import org.cacert.gigi.pages.wot.MyPoints;
  58 import org.cacert.gigi.pages.wot.RequestTTPPage;
  59 import org.cacert.gigi.ping.PingerDaemon;
  60 import org.cacert.gigi.util.ServerConstants;
  61
  62 public class Gigi extends HttpServlet {
  63
  64     private boolean firstInstanceInited = false;
  65
  66     public static final String LOGGEDIN = "loggedin";
  67
  68     public static final String CERT_SERIAL = "org.cacert.gigi.serial";
  69
  70     public static final String CERT_ISSUER = "org.cacert.gigi.issuer";
  71
  72     public static final String USER = "user";
  73
  74     public static final String LOGIN_METHOD = "org.cacert.gigi.loginMethod";
  75
  76     private static final long serialVersionUID = -6386785421902852904L;
  77
  78     private Template baseTemplate;
  79
  80     private LinkedList<Menu> categories = new LinkedList<Menu>();
  81
  82     private HashMap<String, Page> pages = new HashMap<String, Page>();
  83
  84     private HashMap<Page, String> reveresePages = new HashMap<Page, String>();
  85
  86     private Menu rootMenu;
  87
  88     private static Gigi instance;
  89
  90     private PingerDaemon pinger;
  91
  92     private KeyStore truststore;
  93
  94     private boolean testing;
  95
  96     public Gigi(Properties conf, KeyStore truststore) {
  97         if (instance != null) {
  98             throw new IllegalStateException("Multiple Gigi instances!");
  99         }
 100         testing = conf.getProperty("testing") != null;
 101         instance = this;
 102         DatabaseConnection.init(conf);
 103         this.truststore = truststore;
 104         pinger = new PingerDaemon(truststore);
 105         pinger.start();
 106     }
 107
 108     @Override
 109     public void init() throws ServletException {
 110         if ( !firstInstanceInited) {
 111             putPage("/denied", new AccessDenied(), null);
 112             putPage("/error", new PageNotFound(), null);
 113             putPage("/login", new LoginPage("Password Login"), "CAcert.org");
 114             getMenu("CAcert.org").addItem(new SimpleMenuItem("https://" + ServerConstants.getSecureHostNamePort() + "/login", "Certificate Login") {
 115
 116                 @Override
 117                 public boolean isPermitted(User u) {
 118                     return u == null;
 119                 }
 120             });
 121             putPage("/", new MainPage("CAcert - Home"), null);
 122             putPage("/roots", new RootCertPage(truststore), "CAcert.org");
 123             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
 124             putPage(LogoutPage.PATH, new LogoutPage("Logout"), "My Account");
 125             putPage("/secure", new TestSecure(), null);
 126             putPage(Verify.PATH, new Verify(), null);
 127             putPage(AssurePage.PATH + "/*", new AssurePage(), "Web of Trust");
 128             putPage(Certificates.PATH + "/*", new Certificates(), "Certificates");
 129             putPage(MyDetails.PATH, new MyDetails(), "My Account");
 130             putPage(RegisterPage.PATH, new RegisterPage(), "CAcert.org");
 131             putPage(CertificateAdd.PATH, new CertificateAdd(), "Certificates");
 132             putPage(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"), "Certificates");
 133             putPage(DomainOverview.PATH + "*", new DomainOverview("Domains"), "Certificates");
 134             putPage(MyPoints.PATH, new MyPoints("My Points"), "Web of Trust");
 135             putPage(RequestTTPPage.PATH, new RequestTTPPage(), "Web of Trust");
 136             putPage(TTPAdminPage.PATH + "/*", new TTPAdminPage(), "Admin");
 137             putPage(CreateOrgPage.DEFAULT_PATH, new CreateOrgPage(), "Organisation Admin");
 138             putPage(ViewOrgPage.DEFAULT_PATH + "/*", new ViewOrgPage(), "Organisation Admin");
 139             putPage(FindDomainPage.PATH, new FindDomainPage("Find Domain"), "System Admin");
 140             putPage(FindUserPage.PATH, new FindUserPage("Find User"), "System Admin");
 141             putPage(SupportUserDetailsPage.PATH + "*", new SupportUserDetailsPage("Support: User Details"), null);
 142             if (testing) {
 143                 try {
 144                     Class<?> manager = Class.forName("org.cacert.gigi.pages.Manager");
 145                     Page p = (Page) manager.getMethod("getInstance").invoke(null);
 146                     String pa = (String) manager.getField("PATH").get(null);
 147                     putPage(pa + "/*", p, "Gigi test server");
 148                 } catch (ReflectiveOperationException e) {
 149                     e.printStackTrace();
 150                 }
 151             }
 152
 153             try {
 154                 putPage("/wot/rules", new StaticPage("Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "Web of Trust");
 155             } catch (UnsupportedEncodingException e) {
 156                 throw new ServletException(e);
 157             }
 158             baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
 159             rootMenu = new Menu("Main");
 160             Menu about = new Menu("About CAcert.org");
 161             categories.add(about);
 162
 163             about.addItem(new SimpleMenuItem("//blog.cacert.org/", "CAcert News"));
 164             about.addItem(new SimpleMenuItem("//wiki.cacert.org/", "Wiki Documentation"));
 165             putPage(PolicyIndex.DEFAULT_PATH, new PolicyIndex(), "About CAcert.org");
 166             about.addItem(new SimpleMenuItem("//wiki.cacert.org/FAQ/Privileges", "Point System"));
 167             about.addItem(new SimpleMenuItem("//bugs.cacert.org/", "Bug Database"));
 168             about.addItem(new SimpleMenuItem("//wiki.cacert.org/Board", "CAcert Board"));
 169             about.addItem(new SimpleMenuItem("//lists.cacert.org/wws", "Mailing Lists"));
 170             about.addItem(new SimpleMenuItem("//blog.CAcert.org/feed", "RSS News Feed"));
 171
 172             Menu languages = new Menu("Translations");
 173             for (Locale l : Language.getSupportedLocales()) {
 174                 languages.addItem(new SimpleMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 175             }
 176             categories.add(languages);
 177             for (Menu menu : categories) {
 178                 menu.prepare();
 179                 rootMenu.addItem(menu);
 180             }
 181
 182             rootMenu.prepare();
 183             firstInstanceInited = true;
 184         }
 185         super.init();
 186     }
 187
 188     private void putPage(String path, Page p, String category) {
 189         pages.put(path, p);
 190         reveresePages.put(p, path);
 191         if (category == null) {
 192             return;
 193         }
 194         Menu m = getMenu(category);
 195         m.addItem(new PageMenuItem(p));
 196
 197     }
 198
 199     private Menu getMenu(String category) {
 200         Menu m = null;
 201         for (Menu menu : categories) {
 202             if (menu.getMenuName().equals(category)) {
 203                 m = menu;
 204                 break;
 205             }
 206         }
 207         if (m == null) {
 208             m = new Menu(category);
 209             categories.add(m);
 210         }
 211         return m;
 212     }
 213
 214     private static String staticTemplateVarHttp;
 215
 216     private static String staticTemplateVarHttps;
 217
 218     private static String getStaticTemplateVar(boolean https) {
 219         if (https) {
 220             if (staticTemplateVarHttps == null) {
 221                 staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 222             }
 223             return staticTemplateVarHttps;
 224         } else {
 225             if (staticTemplateVarHttp == null) {
 226                 staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 227             }
 228             return staticTemplateVarHttp;
 229         }
 230     }
 231
 232     @Override
 233     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 234         boolean isSecure = req.getServerPort() == ServerConstants.getSecurePort();
 235         addXSSHeaders(resp, isSecure);
 236         // Firefox only sends this, if it's a cross domain access; safari sends
 237         // it always
 238         String originHeader = req.getHeader("Origin");
 239         if (originHeader != null //
 240                 &&
 241                 !(originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getWwwHostNamePortSecure()) + "(/.*|)") || //
 242                         originHeader.matches("^" + Pattern.quote("http://" + ServerConstants.getWwwHostNamePort()) + "(/.*|)") || //
 243                 originHeader.matches("^" + Pattern.quote("https://" + ServerConstants.getSecureHostNamePort()) + "(/.*|)"))) {
 244             resp.setContentType("text/html; charset=utf-8");
 245             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>");
 246             return;
 247         }
 248         HttpSession hs = req.getSession();
 249         String clientSerial = (String) hs.getAttribute(CERT_SERIAL);
 250         if (clientSerial != null) {
 251             X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
 252             if (cert == null || cert[0] == null//
 253                     || !cert[0].getSerialNumber().toString(16).toUpperCase().equals(clientSerial) //
 254                     || !cert[0].getIssuerDN().equals(hs.getAttribute(CERT_ISSUER))) {
 255                 hs.invalidate();
 256                 resp.sendError(403, "Certificate mismatch.");
 257                 return;
 258             }
 259
 260         }
 261         if (req.getParameter("lang") != null) {
 262             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 263             Language lu = Language.getInstance(l);
 264             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu.getLocale());
 265         }
 266         final Page p = getPage(req.getPathInfo());
 267
 268         if (p != null) {
 269             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 270                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 271                 return;
 272             }
 273             User currentPageUser = LoginPage.getUser(req);
 274             if ( !p.isPermitted(currentPageUser)) {
 275                 if (hs.getAttribute("loggedin") == null) {
 276                     String request = req.getPathInfo();
 277                     request = request.split("\\?")[0];
 278                     hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 279                     resp.sendRedirect("/login");
 280                     return;
 281                 }
 282                 resp.sendError(403);
 283                 return;
 284             }
 285             if (p.beforeTemplate(req, resp)) {
 286                 return;
 287             }
 288             HashMap<String, Object> vars = new HashMap<String, Object>();
 289             Outputable content = new Outputable() {
 290
 291                 @Override
 292                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 293                     try {
 294                         if (req.getMethod().equals("POST")) {
 295                             if (req.getQueryString() != null) {
 296                                 return;
 297                             }
 298                             p.doPost(req, resp);
 299                         } else {
 300                             p.doGet(req, resp);
 301                         }
 302                     } catch (CSRFException err) {
 303                         try {
 304                             resp.sendError(500, "CSRF invalid");
 305                         } catch (IOException e) {
 306                             e.printStackTrace();
 307                         }
 308                     } catch (IOException e) {
 309                         e.printStackTrace();
 310                     }
 311
 312                 }
 313             };
 314             Language lang = Page.getLanguage(req);
 315
 316             vars.put(Menu.USER_VALUE, currentPageUser);
 317             vars.put("menu", rootMenu);
 318             vars.put("title", lang.getTranslation(p.getTitle()));
 319             vars.put("static", getStaticTemplateVar(isSecure));
 320             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 321             vars.put("content", content);
 322             if (currentPageUser != null) {
 323                 vars.put("loggedInAs", currentPageUser.getName().toString());
 324                 vars.put("loginMethod", lang.getTranslation((String) req.getSession().getAttribute(LOGIN_METHOD)));
 325             }
 326             resp.setContentType("text/html; charset=utf-8");
 327             baseTemplate.output(resp.getWriter(), lang, vars);
 328         } else {
 329             resp.sendError(404, "Page not found.");
 330         }
 331
 332     }
 333
 334     private Page getPage(String pathInfo) {
 335         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 336             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 337         }
 338         Page page = pages.get(pathInfo);
 339         if (page != null) {
 340             return page;
 341         }
 342         page = pages.get(pathInfo + "/*");
 343         if (page != null) {
 344             return page;
 345         }
 346         int idx = pathInfo.lastIndexOf('/');
 347         pathInfo = pathInfo.substring(0, idx);
 348
 349         page = pages.get(pathInfo + "/*");
 350         if (page != null) {
 351             return page;
 352         }
 353         return null;
 354
 355     }
 356
 357     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 358         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 359         hsr.addHeader("Access-Control-Max-Age", "60");
 360         if (doHttps) {
 361             hsr.addHeader("Content-Security-Policy", getHttpsCSP());
 362         } else {
 363             hsr.addHeader("Content-Security-Policy", getHttpCSP());
 364         }
 365         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 366
 367     }
 368
 369     private static String httpsCSP = null;
 370
 371     private static String httpCSP = null;
 372
 373     private static String getHttpsCSP() {
 374         if (httpsCSP == null) {
 375             StringBuffer csp = new StringBuffer();
 376             csp.append("default-src 'none'");
 377             csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 378             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 379             csp.append(";media-src 'none'; object-src 'none'");
 380             csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 381             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 382             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 383             csp.append(";report-url https://api.cacert.org/security/csp/report");
 384             httpsCSP = csp.toString();
 385         }
 386         return httpsCSP;
 387     }
 388
 389     private static String getHttpCSP() {
 390         if (httpCSP == null) {
 391             StringBuffer csp = new StringBuffer();
 392             csp.append("default-src 'none'");
 393             csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 394             csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 395             csp.append(";media-src 'none'; object-src 'none'");
 396             csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 397             csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 398             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 399             csp.append(";report-url http://api.cacert.org/security/csp/report");
 400             httpCSP = csp.toString();
 401         }
 402         return httpCSP;
 403     }
 404
 405     public static String getPathByPage(Page p) {
 406         return instance.reveresePages.get(p).replaceFirst("/?\\*$", "");
 407     }
 408
 409     /**
 410      * Requests Pinging of domains.
 411      *
 412      * @param toReping
 413      *            if not null, the {@link DomainPingConfiguration} to test, if
 414      *            null, just re-check if there is something to do.
 415      */
 416     public static void notifyPinger(DomainPingConfiguration toReping) {
 417         if (toReping != null) {
 418             instance.pinger.queue(toReping);
 419         }
 420         instance.pinger.interrupt();
 421     }
 422
 423 }