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