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