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