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