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