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
  13 import javax.servlet.ServletException;
  14 import javax.servlet.http.HttpServlet;
  15 import javax.servlet.http.HttpServletRequest;
  16 import javax.servlet.http.HttpServletResponse;
  17 import javax.servlet.http.HttpSession;
  18
  19 import org.cacert.gigi.database.DatabaseConnection;
  20 import org.cacert.gigi.localisation.Language;
  21 import org.cacert.gigi.output.Form.CSRFException;
  22 import org.cacert.gigi.output.Menu;
  23 import org.cacert.gigi.output.Outputable;
  24 import org.cacert.gigi.output.PageMenuItem;
  25 import org.cacert.gigi.output.SimpleMenuItem;
  26 import org.cacert.gigi.output.template.Template;
  27 import org.cacert.gigi.pages.LoginPage;
  28 import org.cacert.gigi.pages.LogoutPage;
  29 import org.cacert.gigi.pages.MainPage;
  30 import org.cacert.gigi.pages.Page;
  31 import org.cacert.gigi.pages.PolicyIndex;
  32 import org.cacert.gigi.pages.RootCertPage;
  33 import org.cacert.gigi.pages.StaticPage;
  34 import org.cacert.gigi.pages.TestSecure;
  35 import org.cacert.gigi.pages.Verify;
  36 import org.cacert.gigi.pages.account.CertificateAdd;
  37 import org.cacert.gigi.pages.account.Certificates;
  38 import org.cacert.gigi.pages.account.ChangePasswordPage;
  39 import org.cacert.gigi.pages.account.DomainOverview;
  40 import org.cacert.gigi.pages.account.MailOverview;
  41 import org.cacert.gigi.pages.account.MyDetails;
  42 import org.cacert.gigi.pages.error.PageNotFound;
  43 import org.cacert.gigi.pages.main.RegisterPage;
  44 import org.cacert.gigi.pages.wot.AssurePage;
  45 import org.cacert.gigi.pages.wot.MyPoints;
  46 import org.cacert.gigi.ping.PingerDaemon;
  47 import org.cacert.gigi.util.ServerConstants;
  48
  49 public class Gigi extends HttpServlet {
  50
  51     private boolean firstInstanceInited = false;
  52
  53     public static final String LOGGEDIN = "loggedin";
  54
  55     public static final String USER = "user";
  56
  57     private static final long serialVersionUID = -6386785421902852904L;
  58
  59     private Template baseTemplate;
  60
  61     private LinkedList<Menu> categories = new LinkedList<Menu>();
  62
  63     private HashMap<String, Page> pages = new HashMap<String, Page>();
  64
  65     private HashMap<Page, String> reveresePages = new HashMap<Page, String>();
  66
  67     private Menu rootMenu;
  68
  69     private static Gigi instance;
  70
  71     private PingerDaemon pinger;
  72
  73     private KeyStore truststore;
  74
  75     public Gigi(Properties conf, KeyStore truststore) {
  76         if (instance != null) {
  77             throw new IllegalStateException("Multiple Gigi instances!");
  78         }
  79         instance = this;
  80         DatabaseConnection.init(conf);
  81         this.truststore = truststore;
  82         pinger = new PingerDaemon(truststore);
  83         pinger.start();
  84     }
  85
  86     @Override
  87     public void init() throws ServletException {
  88         if ( !firstInstanceInited) {
  89             putPage("/error", new PageNotFound(), null);
  90             putPage("/login", new LoginPage("CAcert - Login"), "Join CAcert.org");
  91             putPage("/", new MainPage("CAcert - Home"), null);
  92             putPage("/roots", new RootCertPage(truststore), "Join CAcert.org");
  93             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
  94             putPage(LogoutPage.PATH, new LogoutPage("Logout"), "My Account");
  95             putPage("/secure", new TestSecure(), null);
  96             putPage(Verify.PATH, new Verify(), null);
  97             putPage(AssurePage.PATH + "/*", new AssurePage(), "CAcert Web of Trust");
  98             putPage(Certificates.PATH + "/*", new Certificates(), "Certificates");
  99             putPage(MyDetails.PATH, new MyDetails(), "My Account");
 100             putPage(RegisterPage.PATH, new RegisterPage(), "Join CAcert.org");
 101             putPage(CertificateAdd.PATH, new CertificateAdd(), "Certificates");
 102             putPage(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"), "Certificates");
 103             putPage(DomainOverview.PATH + "*", new DomainOverview("Domains"), "Certificates");
 104             putPage(MyPoints.PATH, new MyPoints("My Points"), "CAcert Web of Trust");
 105             putPage("/wot/rules", new StaticPage("CAcert Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "CAcert Web of Trust");
 106             baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
 107             rootMenu = new Menu("Main");
 108             Menu about = new Menu("About CAcert.org");
 109             categories.add(about);
 110
 111             about.addItem(new SimpleMenuItem("//blog.cacert.org/", "CAcert News"));
 112             about.addItem(new SimpleMenuItem("//wiki.cacert.org/", "Wiki Documentation"));
 113             putPage(PolicyIndex.DEFAULT_PATH, new PolicyIndex(), "About CAcert.org");
 114             about.addItem(new SimpleMenuItem("//wiki.cacert.org/FAQ/Privileges", "Point System"));
 115             about.addItem(new SimpleMenuItem("//bugs.cacert.org/", "Bug Database"));
 116             about.addItem(new SimpleMenuItem("//wiki.cacert.org/Board", "CAcert Board"));
 117             about.addItem(new SimpleMenuItem("//lists.cacert.org/wws", "Mailing Lists"));
 118             about.addItem(new SimpleMenuItem("//blog.CAcert.org/feed", "RSS News Feed"));
 119
 120             Menu languages = new Menu("Translations");
 121             for (Locale l : Language.getSupportedLocales()) {
 122                 languages.addItem(new SimpleMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 123             }
 124             categories.add(languages);
 125             for (Menu menu : categories) {
 126                 menu.prepare();
 127                 rootMenu.addItem(menu);
 128             }
 129
 130             rootMenu.prepare();
 131             firstInstanceInited = true;
 132         }
 133         super.init();
 134     }
 135
 136     private void putPage(String path, Page p, String category) {
 137         pages.put(path, p);
 138         reveresePages.put(p, path);
 139         if (category == null) {
 140             return;
 141         }
 142         Menu m = null;
 143         for (Menu menu : categories) {
 144             if (menu.getMenuName().equals(category)) {
 145                 m = menu;
 146                 break;
 147             }
 148         }
 149         if (m == null) {
 150             m = new Menu(category);
 151             categories.add(m);
 152         }
 153         m.addItem(new PageMenuItem(p));
 154
 155     }
 156
 157     private static String staticTemplateVarHttp;
 158
 159     private static String staticTemplateVarHttps;
 160
 161     private static String getStaticTemplateVar(boolean https) {
 162         if (https) {
 163             if (staticTemplateVarHttps == null) {
 164                 staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 165             }
 166             return staticTemplateVarHttps;
 167         } else {
 168             if (staticTemplateVarHttp == null) {
 169                 staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 170             }
 171             return staticTemplateVarHttp;
 172         }
 173     }
 174
 175     @Override
 176     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 177         boolean isSecure = req.getServerPort() == ServerConstants.getSecurePort();
 178         addXSSHeaders(resp, isSecure);
 179         // if (req.getHeader("Origin") != null) {
 180         // resp.getWriter().println("No cross domain access allowed.");
 181         // return;
 182         // }
 183         HttpSession hs = req.getSession();
 184         if (req.getParameter("lang") != null) {
 185             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 186             Language lu = Language.getInstance(l);
 187             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu.getLocale());
 188         }
 189         final Page p = getPage(req.getPathInfo());
 190
 191         if (p != null) {
 192             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 193                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 194                 return;
 195             }
 196             User currentPageUser = LoginPage.getUser(req);
 197             if ( !p.isPermitted(currentPageUser) && hs.getAttribute("loggedin") == null) {
 198                 String request = req.getPathInfo();
 199                 request = request.split("\\?")[0];
 200                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 201                 resp.sendRedirect("/login");
 202                 return;
 203             }
 204             if (p.beforeTemplate(req, resp)) {
 205                 return;
 206             }
 207             HashMap<String, Object> vars = new HashMap<String, Object>();
 208
 209             resp.setContentType("text/html; charset=utf-8");
 210             Outputable content = new Outputable() {
 211
 212                 @Override
 213                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 214                     try {
 215                         if (req.getMethod().equals("POST")) {
 216                             if (req.getQueryString() != null) {
 217                                 return;
 218                             }
 219                             p.doPost(req, resp);
 220                         } else {
 221                             p.doGet(req, resp);
 222                         }
 223                     } catch (CSRFException err) {
 224                         try {
 225                             resp.sendError(500, "CSRF invalid");
 226                         } catch (IOException e) {
 227                             e.printStackTrace();
 228                         }
 229                     } catch (IOException e) {
 230                         e.printStackTrace();
 231                     }
 232
 233                 }
 234             };
 235             vars.put(Menu.USER_VALUE, currentPageUser);
 236             vars.put("menu", rootMenu);
 237             vars.put("title", Page.getLanguage(req).getTranslation(p.getTitle()));
 238             vars.put("static", getStaticTemplateVar(isSecure));
 239             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 240             vars.put("content", content);
 241             baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 242         } else {
 243             resp.sendError(404, "Page not found.");
 244         }
 245
 246     }
 247
 248     private Page getPage(String pathInfo) {
 249         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 250             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 251         }
 252         Page page = pages.get(pathInfo);
 253         if (page != null) {
 254             return page;
 255         }
 256         page = pages.get(pathInfo + "/*");
 257         if (page != null) {
 258             return page;
 259         }
 260         int idx = pathInfo.lastIndexOf('/');
 261         pathInfo = pathInfo.substring(0, idx);
 262
 263         page = pages.get(pathInfo + "/*");
 264         if (page != null) {
 265             return page;
 266         }
 267         return null;
 268
 269     }
 270
 271     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 272         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 273         hsr.addHeader("Access-Control-Max-Age", "60");
 274         if (doHttps) {
 275             hsr.addHeader("Content-Security-Policy", getHttpsCSP());
 276         } else {
 277             hsr.addHeader("Content-Security-Policy", getHttpCSP());
 278         }
 279         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 280
 281     }
 282
 283     private static String httpsCSP = null;
 284
 285     private static String httpCSP = null;
 286
 287     private static String getHttpsCSP() {
 288         if (httpsCSP == null) {
 289             StringBuffer csp = new StringBuffer();
 290             csp.append("default-src 'none'");
 291             csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 292             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 293             csp.append(";media-src 'none'; object-src 'none'");
 294             csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 295             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 296             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 297             csp.append(";report-url https://api.cacert.org/security/csp/report");
 298             httpsCSP = csp.toString();
 299         }
 300         return httpsCSP;
 301     }
 302
 303     private static String getHttpCSP() {
 304         if (httpCSP == null) {
 305             StringBuffer csp = new StringBuffer();
 306             csp.append("default-src 'none'");
 307             csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 308             csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 309             csp.append(";media-src 'none'; object-src 'none'");
 310             csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 311             csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 312             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 313             csp.append(";report-url http://api.cacert.org/security/csp/report");
 314             httpCSP = csp.toString();
 315         }
 316         return httpCSP;
 317     }
 318
 319     public static String getPathByPage(Page p) {
 320         return instance.reveresePages.get(p).replaceFirst("/?\\*$", "");
 321     }
 322
 323     public static void notifyPinger() {
 324         instance.pinger.interrupt();
 325     }
 326
 327 }