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.dbObjects.User;
  21 import org.cacert.gigi.localisation.Language;
  22 import org.cacert.gigi.output.Form.CSRFException;
  23 import org.cacert.gigi.output.Menu;
  24 import org.cacert.gigi.output.Outputable;
  25 import org.cacert.gigi.output.PageMenuItem;
  26 import org.cacert.gigi.output.SimpleMenuItem;
  27 import org.cacert.gigi.output.template.Template;
  28 import org.cacert.gigi.pages.LoginPage;
  29 import org.cacert.gigi.pages.LogoutPage;
  30 import org.cacert.gigi.pages.MainPage;
  31 import org.cacert.gigi.pages.Page;
  32 import org.cacert.gigi.pages.PolicyIndex;
  33 import org.cacert.gigi.pages.RootCertPage;
  34 import org.cacert.gigi.pages.StaticPage;
  35 import org.cacert.gigi.pages.TestSecure;
  36 import org.cacert.gigi.pages.Verify;
  37 import org.cacert.gigi.pages.account.CertificateAdd;
  38 import org.cacert.gigi.pages.account.Certificates;
  39 import org.cacert.gigi.pages.account.ChangePasswordPage;
  40 import org.cacert.gigi.pages.account.DomainOverview;
  41 import org.cacert.gigi.pages.account.MailOverview;
  42 import org.cacert.gigi.pages.account.MyDetails;
  43 import org.cacert.gigi.pages.error.PageNotFound;
  44 import org.cacert.gigi.pages.main.RegisterPage;
  45 import org.cacert.gigi.pages.wot.AssurePage;
  46 import org.cacert.gigi.pages.wot.MyPoints;
  47 import org.cacert.gigi.ping.PingerDaemon;
  48 import org.cacert.gigi.util.ServerConstants;
  49
  50 public class Gigi extends HttpServlet {
  51
  52     private boolean firstInstanceInited = false;
  53
  54     public static final String LOGGEDIN = "loggedin";
  55
  56     public static final String USER = "user";
  57
  58     private static final long serialVersionUID = -6386785421902852904L;
  59
  60     private Template baseTemplate;
  61
  62     private LinkedList<Menu> categories = new LinkedList<Menu>();
  63
  64     private HashMap<String, Page> pages = new HashMap<String, Page>();
  65
  66     private HashMap<Page, String> reveresePages = new HashMap<Page, String>();
  67
  68     private Menu rootMenu;
  69
  70     private static Gigi instance;
  71
  72     private PingerDaemon pinger;
  73
  74     private KeyStore truststore;
  75
  76     public Gigi(Properties conf, KeyStore truststore) {
  77         if (instance != null) {
  78             throw new IllegalStateException("Multiple Gigi instances!");
  79         }
  80         instance = this;
  81         DatabaseConnection.init(conf);
  82         this.truststore = truststore;
  83         pinger = new PingerDaemon(truststore);
  84         pinger.start();
  85     }
  86
  87     @Override
  88     public void init() throws ServletException {
  89         if ( !firstInstanceInited) {
  90             putPage("/error", new PageNotFound(), null);
  91             putPage("/login", new LoginPage("CAcert - Login"), "Join CAcert.org");
  92             putPage("/", new MainPage("CAcert - Home"), null);
  93             putPage("/roots", new RootCertPage(truststore), "Join CAcert.org");
  94             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
  95             putPage(LogoutPage.PATH, new LogoutPage("Logout"), "My Account");
  96             putPage("/secure", new TestSecure(), null);
  97             putPage(Verify.PATH, new Verify(), null);
  98             putPage(AssurePage.PATH + "/*", new AssurePage(), "CAcert Web of Trust");
  99             putPage(Certificates.PATH + "/*", new Certificates(), "Certificates");
 100             putPage(MyDetails.PATH, new MyDetails(), "My Account");
 101             putPage(RegisterPage.PATH, new RegisterPage(), "Join CAcert.org");
 102             putPage(CertificateAdd.PATH, new CertificateAdd(), "Certificates");
 103             putPage(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"), "Certificates");
 104             putPage(DomainOverview.PATH + "*", new DomainOverview("Domains"), "Certificates");
 105             putPage(MyPoints.PATH, new MyPoints("My Points"), "CAcert Web of Trust");
 106             putPage("/wot/rules", new StaticPage("CAcert Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "CAcert Web of Trust");
 107             baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
 108             rootMenu = new Menu("Main");
 109             Menu about = new Menu("About CAcert.org");
 110             categories.add(about);
 111
 112             about.addItem(new SimpleMenuItem("//blog.cacert.org/", "CAcert News"));
 113             about.addItem(new SimpleMenuItem("//wiki.cacert.org/", "Wiki Documentation"));
 114             putPage(PolicyIndex.DEFAULT_PATH, new PolicyIndex(), "About CAcert.org");
 115             about.addItem(new SimpleMenuItem("//wiki.cacert.org/FAQ/Privileges", "Point System"));
 116             about.addItem(new SimpleMenuItem("//bugs.cacert.org/", "Bug Database"));
 117             about.addItem(new SimpleMenuItem("//wiki.cacert.org/Board", "CAcert Board"));
 118             about.addItem(new SimpleMenuItem("//lists.cacert.org/wws", "Mailing Lists"));
 119             about.addItem(new SimpleMenuItem("//blog.CAcert.org/feed", "RSS News Feed"));
 120
 121             Menu languages = new Menu("Translations");
 122             for (Locale l : Language.getSupportedLocales()) {
 123                 languages.addItem(new SimpleMenuItem("?lang=" + l.toString(), l.getDisplayName(l)));
 124             }
 125             categories.add(languages);
 126             for (Menu menu : categories) {
 127                 menu.prepare();
 128                 rootMenu.addItem(menu);
 129             }
 130
 131             rootMenu.prepare();
 132             firstInstanceInited = true;
 133         }
 134         super.init();
 135     }
 136
 137     private void putPage(String path, Page p, String category) {
 138         pages.put(path, p);
 139         reveresePages.put(p, path);
 140         if (category == null) {
 141             return;
 142         }
 143         Menu m = null;
 144         for (Menu menu : categories) {
 145             if (menu.getMenuName().equals(category)) {
 146                 m = menu;
 147                 break;
 148             }
 149         }
 150         if (m == null) {
 151             m = new Menu(category);
 152             categories.add(m);
 153         }
 154         m.addItem(new PageMenuItem(p));
 155
 156     }
 157
 158     private static String staticTemplateVarHttp;
 159
 160     private static String staticTemplateVarHttps;
 161
 162     private static String getStaticTemplateVar(boolean https) {
 163         if (https) {
 164             if (staticTemplateVarHttps == null) {
 165                 staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 166             }
 167             return staticTemplateVarHttps;
 168         } else {
 169             if (staticTemplateVarHttp == null) {
 170                 staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 171             }
 172             return staticTemplateVarHttp;
 173         }
 174     }
 175
 176     @Override
 177     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 178         boolean isSecure = req.getServerPort() == ServerConstants.getSecurePort();
 179         addXSSHeaders(resp, isSecure);
 180         // if (req.getHeader("Origin") != null) {
 181         // resp.getWriter().println("No cross domain access allowed.");
 182         // return;
 183         // }
 184         HttpSession hs = req.getSession();
 185         if (req.getParameter("lang") != null) {
 186             Locale l = Language.getLocaleFromString(req.getParameter("lang"));
 187             Language lu = Language.getInstance(l);
 188             req.getSession().setAttribute(Language.SESSION_ATTRIB_NAME, lu.getLocale());
 189         }
 190         final Page p = getPage(req.getPathInfo());
 191
 192         if (p != null) {
 193             if ( !isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 194                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 195                 return;
 196             }
 197             User currentPageUser = LoginPage.getUser(req);
 198             if ( !p.isPermitted(currentPageUser) && hs.getAttribute("loggedin") == null) {
 199                 String request = req.getPathInfo();
 200                 request = request.split("\\?")[0];
 201                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 202                 resp.sendRedirect("/login");
 203                 return;
 204             }
 205             if (p.beforeTemplate(req, resp)) {
 206                 return;
 207             }
 208             HashMap<String, Object> vars = new HashMap<String, Object>();
 209
 210             resp.setContentType("text/html; charset=utf-8");
 211             Outputable content = new Outputable() {
 212
 213                 @Override
 214                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 215                     try {
 216                         if (req.getMethod().equals("POST")) {
 217                             if (req.getQueryString() != null) {
 218                                 return;
 219                             }
 220                             p.doPost(req, resp);
 221                         } else {
 222                             p.doGet(req, resp);
 223                         }
 224                     } catch (CSRFException err) {
 225                         try {
 226                             resp.sendError(500, "CSRF invalid");
 227                         } catch (IOException e) {
 228                             e.printStackTrace();
 229                         }
 230                     } catch (IOException e) {
 231                         e.printStackTrace();
 232                     }
 233
 234                 }
 235             };
 236             vars.put(Menu.USER_VALUE, currentPageUser);
 237             vars.put("menu", rootMenu);
 238             vars.put("title", Page.getLanguage(req).getTranslation(p.getTitle()));
 239             vars.put("static", getStaticTemplateVar(isSecure));
 240             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 241             vars.put("content", content);
 242             baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 243         } else {
 244             resp.sendError(404, "Page not found.");
 245         }
 246
 247     }
 248
 249     private Page getPage(String pathInfo) {
 250         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 251             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 252         }
 253         Page page = pages.get(pathInfo);
 254         if (page != null) {
 255             return page;
 256         }
 257         page = pages.get(pathInfo + "/*");
 258         if (page != null) {
 259             return page;
 260         }
 261         int idx = pathInfo.lastIndexOf('/');
 262         pathInfo = pathInfo.substring(0, idx);
 263
 264         page = pages.get(pathInfo + "/*");
 265         if (page != null) {
 266             return page;
 267         }
 268         return null;
 269
 270     }
 271
 272     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 273         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 274         hsr.addHeader("Access-Control-Max-Age", "60");
 275         if (doHttps) {
 276             hsr.addHeader("Content-Security-Policy", getHttpsCSP());
 277         } else {
 278             hsr.addHeader("Content-Security-Policy", getHttpCSP());
 279         }
 280         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 281
 282     }
 283
 284     private static String httpsCSP = null;
 285
 286     private static String httpCSP = null;
 287
 288     private static String getHttpsCSP() {
 289         if (httpsCSP == null) {
 290             StringBuffer csp = new StringBuffer();
 291             csp.append("default-src 'none'");
 292             csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 293             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 294             csp.append(";media-src 'none'; object-src 'none'");
 295             csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 296             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 297             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 298             csp.append(";report-url https://api.cacert.org/security/csp/report");
 299             httpsCSP = csp.toString();
 300         }
 301         return httpsCSP;
 302     }
 303
 304     private static String getHttpCSP() {
 305         if (httpCSP == null) {
 306             StringBuffer csp = new StringBuffer();
 307             csp.append("default-src 'none'");
 308             csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 309             csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 310             csp.append(";media-src 'none'; object-src 'none'");
 311             csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 312             csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 313             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 314             csp.append(";report-url http://api.cacert.org/security/csp/report");
 315             httpCSP = csp.toString();
 316         }
 317         return httpCSP;
 318     }
 319
 320     public static String getPathByPage(Page p) {
 321         return instance.reveresePages.get(p).replaceFirst("/?\\*$", "");
 322     }
 323
 324     public static void notifyPinger() {
 325         instance.pinger.interrupt();
 326     }
 327
 328 }