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