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