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.util.Calendar;
   6 import java.util.HashMap;
   7 import java.util.LinkedList;
   8 import java.util.Map;
   9 import java.util.Properties;
  10
  11 import javax.servlet.ServletException;
  12 import javax.servlet.http.HttpServlet;
  13 import javax.servlet.http.HttpServletRequest;
  14 import javax.servlet.http.HttpServletResponse;
  15 import javax.servlet.http.HttpSession;
  16
  17 import org.cacert.gigi.database.DatabaseConnection;
  18 import org.cacert.gigi.localisation.Language;
  19 import org.cacert.gigi.output.Form.CSRFException;
  20 import org.cacert.gigi.output.Menu;
  21 import org.cacert.gigi.output.Outputable;
  22 import org.cacert.gigi.output.PageMenuItem;
  23 import org.cacert.gigi.output.template.Template;
  24 import org.cacert.gigi.pages.LoginPage;
  25 import org.cacert.gigi.pages.LogoutPage;
  26 import org.cacert.gigi.pages.MainPage;
  27 import org.cacert.gigi.pages.Page;
  28 import org.cacert.gigi.pages.StaticPage;
  29 import org.cacert.gigi.pages.TestSecure;
  30 import org.cacert.gigi.pages.Verify;
  31 import org.cacert.gigi.pages.account.CertificateAdd;
  32 import org.cacert.gigi.pages.account.Certificates;
  33 import org.cacert.gigi.pages.account.ChangePasswordPage;
  34 import org.cacert.gigi.pages.account.DomainOverview;
  35 import org.cacert.gigi.pages.account.MailOverview;
  36 import org.cacert.gigi.pages.account.MyDetails;
  37 import org.cacert.gigi.pages.error.PageNotFound;
  38 import org.cacert.gigi.pages.main.RegisterPage;
  39 import org.cacert.gigi.pages.wot.AssurePage;
  40 import org.cacert.gigi.pages.wot.MyPoints;
  41 import org.cacert.gigi.ping.PingerDaemon;
  42 import org.cacert.gigi.util.ServerConstants;
  43
  44 public class Gigi extends HttpServlet {
  45
  46     private boolean firstInstanceInited = false;
  47
  48     public static final String LOGGEDIN = "loggedin";
  49
  50     public static final String USER = "user";
  51
  52     private static final long serialVersionUID = -6386785421902852904L;
  53
  54     private Template baseTemplate;
  55
  56     private LinkedList<Menu> categories = new LinkedList<Menu>();
  57
  58     private HashMap<String, Page> pages = new HashMap<String, Page>();
  59
  60     private HashMap<Page, String> reveresePages = new HashMap<Page, String>();
  61
  62     private Menu rootMenu;
  63
  64     private static Gigi instance;
  65
  66     private PingerDaemon pinger = new PingerDaemon();
  67
  68     public Gigi(Properties conf) {
  69         if (instance != null) {
  70             throw new IllegalStateException("Multiple Gigi instances!");
  71         }
  72         instance = this;
  73         DatabaseConnection.init(conf);
  74         pinger.start();
  75     }
  76
  77     @Override
  78     public void init() throws ServletException {
  79         if ( !firstInstanceInited) {
  80             putPage("/error", new PageNotFound(), null);
  81             putPage("/login", new LoginPage("CAcert - Login"), "Join CAcert.org");
  82             putPage("/", new MainPage("CAcert - Home"), null);
  83             putPage(ChangePasswordPage.PATH, new ChangePasswordPage(), "My Account");
  84             putPage(LogoutPage.PATH, new LogoutPage("Logout"), "My Account");
  85             putPage("/secure", new TestSecure(), null);
  86             putPage(Verify.PATH, new Verify(), null);
  87             putPage(AssurePage.PATH + "/*", new AssurePage(), "CAcert Web of Trust");
  88             putPage(Certificates.PATH + "/*", new Certificates(), "Certificates");
  89             putPage(MyDetails.PATH, new MyDetails(), "My Account");
  90             putPage(RegisterPage.PATH, new RegisterPage(), "Join CAcert.org");
  91             putPage(CertificateAdd.PATH, new CertificateAdd(), "Certificates");
  92             putPage(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"), "Certificates");
  93             putPage(DomainOverview.PATH + "*", new DomainOverview("Domains"), "Certificates");
  94             putPage(MyPoints.PATH, new MyPoints("My Points"), "CAcert Web of Trust");
  95             putPage("/wot/rules", new StaticPage("CAcert Web of Trust Rules", AssurePage.class.getResourceAsStream("Rules.templ")), "CAcert Web of Trust");
  96             baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
  97             rootMenu = new Menu("Main");
  98             for (Menu menu : categories) {
  99                 menu.prepare();
 100                 rootMenu.addItem(menu);
 101             }
 102             rootMenu.prepare();
 103             firstInstanceInited = true;
 104         }
 105         super.init();
 106     }
 107
 108     private void putPage(String path, Page p, String category) {
 109         pages.put(path, p);
 110         reveresePages.put(p, path);
 111         if (category == null) {
 112             return;
 113         }
 114         Menu m = null;
 115         for (Menu menu : categories) {
 116             if (menu.getMenuName().equals(category)) {
 117                 m = menu;
 118                 break;
 119             }
 120         }
 121         if (m == null) {
 122             m = new Menu(category);
 123             categories.add(m);
 124         }
 125         m.addItem(new PageMenuItem(p));
 126
 127     }
 128
 129     private static String staticTemplateVarHttp;
 130
 131     private static String staticTemplateVarHttps;
 132
 133     private static String getStaticTemplateVar(boolean https) {
 134         if (https) {
 135             if (staticTemplateVarHttps == null) {
 136                 staticTemplateVarHttps = "https://" + ServerConstants.getStaticHostNamePortSecure();
 137             }
 138             return staticTemplateVarHttps;
 139         } else {
 140             if (staticTemplateVarHttp == null) {
 141                 staticTemplateVarHttp = "http://" + ServerConstants.getStaticHostNamePort();
 142             }
 143             return staticTemplateVarHttp;
 144         }
 145     }
 146
 147     @Override
 148     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
 149         boolean isSecure = req.getServerPort() == ServerConstants.getSecurePort();
 150         addXSSHeaders(resp, isSecure);
 151         // if (req.getHeader("Origin") != null) {
 152         // resp.getWriter().println("No cross domain access allowed.");
 153         // return;
 154         // }
 155         HttpSession hs = req.getSession();
 156         final Page p = getPage(req.getPathInfo());
 157
 158         if (p != null) {
 159             if (!isSecure && (p.needsLogin() || p instanceof LoginPage || p instanceof RegisterPage)) {
 160                 resp.sendRedirect("https://" + ServerConstants.getWwwHostNamePortSecure() + req.getPathInfo());
 161                 return;
 162             }
 163             User currentPageUser = LoginPage.getUser(req);
 164             if ( !p.isPermitted(currentPageUser) && hs.getAttribute("loggedin") == null) {
 165                 String request = req.getPathInfo();
 166                 request = request.split("\\?")[0];
 167                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 168                 resp.sendRedirect("/login");
 169                 return;
 170             }
 171             if (p.beforeTemplate(req, resp)) {
 172                 return;
 173             }
 174             HashMap<String, Object> vars = new HashMap<String, Object>();
 175
 176             resp.setContentType("text/html; charset=utf-8");
 177             Outputable content = new Outputable() {
 178
 179                 @Override
 180                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 181                     try {
 182                         if (req.getMethod().equals("POST")) {
 183                             if (req.getQueryString() != null) {
 184                                 return;
 185                             }
 186                             p.doPost(req, resp);
 187                         } else {
 188                             p.doGet(req, resp);
 189                         }
 190                     } catch (CSRFException err) {
 191                         try {
 192                             resp.sendError(500, "CSRF invalid");
 193                         } catch (IOException e) {
 194                             e.printStackTrace();
 195                         }
 196                     } catch (IOException e) {
 197                         e.printStackTrace();
 198                     }
 199
 200                 }
 201             };
 202             vars.put(Menu.USER_VALUE, currentPageUser);
 203             vars.put("menu", rootMenu);
 204             vars.put("title", Page.getLanguage(req).getTranslation(p.getTitle()));
 205             vars.put("static", getStaticTemplateVar(isSecure));
 206             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 207             vars.put("content", content);
 208             baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 209         } else {
 210             resp.sendError(404, "Page not found.");
 211         }
 212
 213     }
 214
 215     private Page getPage(String pathInfo) {
 216         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 217             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 218         }
 219         Page page = pages.get(pathInfo);
 220         if (page != null) {
 221             return page;
 222         }
 223         page = pages.get(pathInfo + "/*");
 224         if (page != null) {
 225             return page;
 226         }
 227         int idx = pathInfo.lastIndexOf('/');
 228         pathInfo = pathInfo.substring(0, idx);
 229
 230         page = pages.get(pathInfo + "/*");
 231         if (page != null) {
 232             return page;
 233         }
 234         return null;
 235
 236     }
 237
 238     public static void addXSSHeaders(HttpServletResponse hsr, boolean doHttps) {
 239         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePortSecure() + " https://" + ServerConstants.getSecureHostNamePort());
 240         hsr.addHeader("Access-Control-Max-Age", "60");
 241         if (doHttps) {
 242             hsr.addHeader("Content-Security-Policy", getHttpsCSP());
 243         } else {
 244             hsr.addHeader("Content-Security-Policy", getHttpCSP());
 245         }
 246         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 247
 248     }
 249
 250     private static String httpsCSP = null;
 251
 252     private static String httpCSP = null;
 253
 254     private static String getHttpsCSP() {
 255         if (httpsCSP == null) {
 256             StringBuffer csp = new StringBuffer();
 257             csp.append("default-src 'none'");
 258             csp.append(";font-src https://" + ServerConstants.getStaticHostNamePortSecure());
 259             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePortSecure());
 260             csp.append(";media-src 'none'; object-src 'none'");
 261             csp.append(";script-src https://" + ServerConstants.getStaticHostNamePortSecure());
 262             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePortSecure());
 263             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePortSecure());
 264             csp.append(";report-url https://api.cacert.org/security/csp/report");
 265             httpsCSP = csp.toString();
 266         }
 267         return httpsCSP;
 268     }
 269
 270     private static String getHttpCSP() {
 271         if (httpCSP == null) {
 272             StringBuffer csp = new StringBuffer();
 273             csp.append("default-src 'none'");
 274             csp.append(";font-src http://" + ServerConstants.getStaticHostNamePort());
 275             csp.append(";img-src http://" + ServerConstants.getStaticHostNamePort());
 276             csp.append(";media-src 'none'; object-src 'none'");
 277             csp.append(";script-src http://" + ServerConstants.getStaticHostNamePort());
 278             csp.append(";style-src http://" + ServerConstants.getStaticHostNamePort());
 279             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 280             csp.append(";report-url http://api.cacert.org/security/csp/report");
 281             httpCSP = csp.toString();
 282         }
 283         return httpCSP;
 284     }
 285
 286     public static String getPathByPage(Page p) {
 287         return instance.reveresePages.get(p).replaceFirst("/?\\*$", "");
 288     }
 289
 290 }