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