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