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