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