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.Map;
  10 import java.util.Properties;
  11
  12 import javax.servlet.ServletException;
  13 import javax.servlet.http.HttpServlet;
  14 import javax.servlet.http.HttpServletRequest;
  15 import javax.servlet.http.HttpServletResponse;
  16 import javax.servlet.http.HttpSession;
  17
  18 import org.cacert.gigi.database.DatabaseConnection;
  19 import org.cacert.gigi.localisation.Language;
  20 import org.cacert.gigi.output.Form.CSRFException;
  21 import org.cacert.gigi.output.Menu;
  22 import org.cacert.gigi.output.Outputable;
  23 import org.cacert.gigi.output.PageMenuItem;
  24 import org.cacert.gigi.output.SimpleMenuItem;
  25 import org.cacert.gigi.output.template.Template;
  26 import org.cacert.gigi.pages.LoginPage;
  27 import org.cacert.gigi.pages.LogoutPage;
  28 import org.cacert.gigi.pages.MainPage;
  29 import org.cacert.gigi.pages.Page;
  30 import org.cacert.gigi.pages.RootCertPage;
  31 import org.cacert.gigi.pages.StaticPage;
  32 import org.cacert.gigi.pages.TestSecure;
  33 import org.cacert.gigi.pages.Verify;
  34 import org.cacert.gigi.pages.account.CertificateAdd;
  35 import org.cacert.gigi.pages.account.Certificates;
  36 import org.cacert.gigi.pages.account.ChangePasswordPage;
  37 import org.cacert.gigi.pages.account.DomainOverview;
  38 import org.cacert.gigi.pages.account.MailOverview;
  39 import org.cacert.gigi.pages.account.MyDetails;
  40 import org.cacert.gigi.pages.error.PageNotFound;
  41 import org.cacert.gigi.pages.main.RegisterPage;
  42 import org.cacert.gigi.pages.wot.AssurePage;
  43 import org.cacert.gigi.pages.wot.MyPoints;
  44 import org.cacert.gigi.ping.PingerDaemon;
  45 import org.cacert.gigi.util.ServerConstants;
  46
  47 public class Gigi extends HttpServlet {
  48
  49     private boolean firstInstanceInited = false;
  50
  51     public static final String LOGGEDIN = "loggedin";
  52
  53     public static final String USER = "user";
  54
  55     private static final long serialVersionUID = -6386785421902852904L;
  56
  57     private Template baseTemplate;
  58
  59     private LinkedList<Menu> categories = new LinkedList<Menu>();
  60
  61     private HashMap<String, Page> pages = new HashMap<String, Page>();
  62
  63     private HashMap<Page, String> reveresePages = new HashMap<Page, String>();
  64
  65     private Menu rootMenu;
  66
  67     private static Gigi instance;
  68
  69     private PingerDaemon pinger;
  70
  71     private KeyStore truststore;
  72
  73     public Gigi(Properties conf, KeyStore truststore) {
  74         if (instance != null) {
  75             throw new IllegalStateException("Multiple Gigi instances!");
  76         }
  77         instance = this;
  78         DatabaseConnection.init(conf);
  79         this.truststore = truststore;
  80         pinger = new PingerDaemon(truststore);
  81         pinger.start();
  82     }
  83
  84     @Override
  85     public void init() throws ServletException {
  86         if ( !firstInstanceInited) {
  87             putPage("/error", new PageNotFound(), null);
  88             putPage("/login", new LoginPage("CAcert - Login"), "Join CAcert.org");
  89             putPage("/", new MainPage("CAcert - Home"), null);
  90             putPage("/roots", new RootCertPage(truststore), "Join CAcert.org");
  91             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
  92             putPage(LogoutPage.PATH, new LogoutPage("Logout"), "My Account");
  93             putPage("/secure", new TestSecure(), null);
  94             putPage(Verify.PATH, new Verify(), null);
  95             putPage(AssurePage.PATH + "/*", new AssurePage(), "CAcert Web of Trust");
  96             putPage(Certificates.PATH + "/*", new Certificates(), "Certificates");
  97             putPage(MyDetails.PATH, new MyDetails(), "My Account");
  98             putPage(RegisterPage.PATH, new RegisterPage(), "Join CAcert.org");
  99             putPage(CertificateAdd.PATH, new CertificateAdd(), "Certificates");
 100             putPage(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"), "Certificates");
 101             putPage(DomainOverview.PATH + "*", new DomainOverview("Domains"), "Certificates");
 102             putPage(MyPoints.PATH, new MyPoints("My Points"), "CAcert Web of Trust");
 103             putPage("/wot/rules", new StaticPage("CAcert Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "CAcert Web of Trust");
 104             baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
 105             rootMenu = new Menu("Main");
 106             for (Menu menu : categories) {
 107                 menu.prepare();
 108                 rootMenu.addItem(menu);
 109             }
 110             Menu about = new Menu("About CAcert.org");
 111             about.addItem(new SimpleMenuItem("//blog.cacert.org/", "CAcert News"));
 112             about.addItem(new SimpleMenuItem("//wiki.cacert.org/", "Wiki Documentation"));
 113             about.addItem(new SimpleMenuItem("/policy", "Policies"));
 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             about.prepare();
 120             rootMenu.addItem(about);
 121
 122             rootMenu.prepare();
 123             firstInstanceInited = true;
 124         }
 125         super.init();
 126     }
 127
 128     private void putPage(String path, Page p, String category) {
 129         pages.put(path, p);
 130         reveresePages.put(p, path);
 131         if (category == null) {
 132             return;
 133         }
 134         Menu m = null;
 135         for (Menu menu : categories) {
 136             if (menu.getMenuName().equals(category)) {
 137                 m = menu;
 138                 break;
 139             }
 140         }
 141         if (m == null) {
 142             m = new Menu(category);
 143             categories.add(m);
 144         }
 145         m.addItem(new PageMenuItem(p));
 146
 147     }
 148
 149     private static String staticTemplateVarHttp;
 150
 151     private static String staticTemplateVarHttps;
 152
 153     private static String getStaticTemplateVar(boolean https) {
 154         if (https) {
 155             if (staticTemplateVarHttps == null) {
 156                 staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 157             }
 158             return staticTemplateVarHttps;
 159         } else {
 160             if (staticTemplateVarHttp == null) {
 161                 staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 162             }
 163             return staticTemplateVarHttp;
 164         }
 165     }
 166
 167     @Override
 168     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 169         boolean isSecure = req.getServerPort() == ServerConstants.getSecurePort();
 170         addXSSHeaders(resp, isSecure);
 171         // if (req.getHeader("Origin") != null) {
 172         // resp.getWriter().println("No cross domain access allowed.");
 173         // return;
 174         // }
 175         HttpSession hs = req.getSession();
 176         final Page p = getPage(req.getPathInfo());
 177
 178         if (p != null) {
 179             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 180                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 181                 return;
 182             }
 183             User currentPageUser = LoginPage.getUser(req);
 184             if ( !p.isPermitted(currentPageUser) && hs.getAttribute("loggedin") == null) {
 185                 String request = req.getPathInfo();
 186                 request = request.split("\\?")[0];
 187                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 188                 resp.sendRedirect("/login");
 189                 return;
 190             }
 191             if (p.beforeTemplate(req, resp)) {
 192                 return;
 193             }
 194             HashMap<String, Object> vars = new HashMap<String, Object>();
 195
 196             resp.setContentType("text/html; charset=utf-8");
 197             Outputable content = new Outputable() {
 198
 199                 @Override
 200                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 201                     try {
 202                         if (req.getMethod().equals("POST")) {
 203                             if (req.getQueryString() != null) {
 204                                 return;
 205                             }
 206                             p.doPost(req, resp);
 207                         } else {
 208                             p.doGet(req, resp);
 209                         }
 210                     } catch (CSRFException err) {
 211                         try {
 212                             resp.sendError(500, "CSRF invalid");
 213                         } catch (IOException e) {
 214                             e.printStackTrace();
 215                         }
 216                     } catch (IOException e) {
 217                         e.printStackTrace();
 218                     }
 219
 220                 }
 221             };
 222             vars.put(Menu.USER_VALUE, currentPageUser);
 223             vars.put("menu", rootMenu);
 224             vars.put("title", Page.getLanguage(req).getTranslation(p.getTitle()));
 225             vars.put("static", getStaticTemplateVar(isSecure));
 226             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 227             vars.put("content", content);
 228             baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 229         } else {
 230             resp.sendError(404, "Page not found.");
 231         }
 232
 233     }
 234
 235     private Page getPage(String pathInfo) {
 236         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 237             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 238         }
 239         Page page = pages.get(pathInfo);
 240         if (page != null) {
 241             return page;
 242         }
 243         page = pages.get(pathInfo + "/*");
 244         if (page != null) {
 245             return page;
 246         }
 247         int idx = pathInfo.lastIndexOf('/');
 248         pathInfo = pathInfo.substring(0, idx);
 249
 250         page = pages.get(pathInfo + "/*");
 251         if (page != null) {
 252             return page;
 253         }
 254         return null;
 255
 256     }
 257
 258     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 259         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 260         hsr.addHeader("Access-Control-Max-Age", "60");
 261         if (doHttps) {
 262             hsr.addHeader("Content-Security-Policy", getHttpsCSP());
 263         } else {
 264             hsr.addHeader("Content-Security-Policy", getHttpCSP());
 265         }
 266         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 267
 268     }
 269
 270     private static String httpsCSP = null;
 271
 272     private static String httpCSP = null;
 273
 274     private static String getHttpsCSP() {
 275         if (httpsCSP == null) {
 276             StringBuffer csp = new StringBuffer();
 277             csp.append("default-src 'none'");
 278             csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 279             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 280             csp.append(";media-src 'none'; object-src 'none'");
 281             csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 282             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 283             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 284             csp.append(";report-url https://api.cacert.org/security/csp/report");
 285             httpsCSP = csp.toString();
 286         }
 287         return httpsCSP;
 288     }
 289
 290     private static String getHttpCSP() {
 291         if (httpCSP == null) {
 292             StringBuffer csp = new StringBuffer();
 293             csp.append("default-src 'none'");
 294             csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 295             csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 296             csp.append(";media-src 'none'; object-src 'none'");
 297             csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 298             csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 299             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 300             csp.append(";report-url http://api.cacert.org/security/csp/report");
 301             httpCSP = csp.toString();
 302         }
 303         return httpCSP;
 304     }
 305
 306     public static String getPathByPage(Page p) {
 307         return instance.reveresePages.get(p).replaceFirst("/?\\*$", "");
 308     }
 309
 310     public static void notifyPinger() {
 311         instance.pinger.interrupt();
 312     }
 313
 314 }