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