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