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