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