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