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.Map;
   8 import java.util.Properties;
   9
  10 import javax.servlet.ServletException;
  11 import javax.servlet.http.HttpServlet;
  12 import javax.servlet.http.HttpServletRequest;
  13 import javax.servlet.http.HttpServletResponse;
  14 import javax.servlet.http.HttpSession;
  15
  16 import org.cacert.gigi.database.DatabaseConnection;
  17 import org.cacert.gigi.email.EmailProvider;
  18 import org.cacert.gigi.output.Menu;
  19 import org.cacert.gigi.output.MenuItem;
  20 import org.cacert.gigi.output.Outputable;
  21 import org.cacert.gigi.output.Form.CSRFException;
  22 import org.cacert.gigi.output.template.Template;
  23 import org.cacert.gigi.pages.LoginPage;
  24 import org.cacert.gigi.pages.MainPage;
  25 import org.cacert.gigi.pages.Page;
  26 import org.cacert.gigi.pages.TestSecure;
  27 import org.cacert.gigi.pages.Verify;
  28 import org.cacert.gigi.pages.account.ChangePasswordPage;
  29 import org.cacert.gigi.pages.account.MailCertificateAdd;
  30 import org.cacert.gigi.pages.account.MailCertificates;
  31 import org.cacert.gigi.pages.account.MailOverview;
  32 import org.cacert.gigi.pages.account.MyDetails;
  33 import org.cacert.gigi.pages.error.PageNotFound;
  34 import org.cacert.gigi.pages.main.RegisterPage;
  35 import org.cacert.gigi.pages.wot.AssurePage;
  36 import org.cacert.gigi.util.ServerConstants;
  37
  38 public class Gigi extends HttpServlet {
  39
  40     public static final String LOGGEDIN = "loggedin";
  41
  42     public static final String USER = "user";
  43
  44     private static final long serialVersionUID = -6386785421902852904L;
  45
  46     private Template baseTemplate;
  47
  48     private HashMap<String, Page> pages = new HashMap<String, Page>();
  49
  50     Menu m;
  51
  52     public Gigi(Properties conf) {
  53         EmailProvider.init(conf);
  54         DatabaseConnection.init(conf);
  55     }
  56
  57     @Override
  58     public void init() throws ServletException {
  59         pages.put("/error", new PageNotFound());
  60         pages.put("/login", new LoginPage("CACert - Login"));
  61         pages.put("/", new MainPage("CACert - Home"));
  62         pages.put("/secure", new TestSecure());
  63         pages.put(Verify.PATH, new Verify());
  64         pages.put(AssurePage.PATH + "/*", new AssurePage());
  65         pages.put(MailCertificates.PATH + "/*", new MailCertificates());
  66         pages.put(MyDetails.PATH, new MyDetails());
  67         pages.put(ChangePasswordPage.PATH, new ChangePasswordPage());
  68         pages.put(RegisterPage.PATH, new RegisterPage());
  69         pages.put(MailCertificateAdd.PATH, new MailCertificateAdd());
  70         pages.put(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"));
  71         baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
  72         m = new Menu("Certificates", "cert", new MenuItem(MailOverview.DEFAULT_PATH, "Emails"), new MenuItem("", "Client Certificates"), new MenuItem("", "Domains"), new MenuItem("", "Server Certificates"));
  73         super.init();
  74
  75     }
  76
  77     @Override
  78     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
  79         addXSSHeaders(resp);
  80         // if (req.getHeader("Origin") != null) {
  81         // resp.getWriter().println("No cross domain access allowed.");
  82         // return;
  83         // }
  84         HttpSession hs = req.getSession();
  85         if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  86             if (hs != null) {
  87                 hs.setAttribute(LOGGEDIN, null);
  88                 hs.invalidate();
  89             }
  90             resp.sendRedirect("/");
  91             return;
  92         }
  93
  94         final Page p = getPage(req.getPathInfo());
  95         if (p != null) {
  96
  97             if (p.needsLogin() && hs.getAttribute("loggedin") == null) {
  98                 String request = req.getPathInfo();
  99                 request = request.split("\\?")[0];
 100                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 101                 resp.sendRedirect("/login");
 102                 return;
 103             }
 104             if (p.beforeTemplate(req, resp)) {
 105                 return;
 106             }
 107             HashMap<String, Object> vars = new HashMap<String, Object>();
 108
 109             resp.setContentType("text/html; charset=utf-8");
 110             Outputable content = new Outputable() {
 111
 112                 @Override
 113                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 114                     try {
 115                         if (req.getMethod().equals("POST")) {
 116                             if (req.getQueryString() != null) {
 117                                 return;
 118                             }
 119                             p.doPost(req, resp);
 120                         } else {
 121                             p.doGet(req, resp);
 122                         }
 123                     } catch (CSRFException err) {
 124                         try {
 125                             resp.sendError(500, "CSRF invalid");
 126                         } catch (IOException e) {
 127                             e.printStackTrace();
 128                         }
 129                     } catch (IOException e) {
 130                         e.printStackTrace();
 131                     }
 132
 133                 }
 134             };
 135             vars.put("menu", m);
 136             vars.put("title", p.getTitle());
 137             vars.put("static", ServerConstants.getStaticHostNamePort());
 138             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 139             vars.put("content", content);
 140             baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 141         } else {
 142             resp.sendError(404, "Page not found.");
 143         }
 144
 145     }
 146
 147     private Page getPage(String pathInfo) {
 148         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 149             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 150         }
 151         Page page = pages.get(pathInfo);
 152         if (page != null) {
 153             return page;
 154         }
 155         page = pages.get(pathInfo + "/*");
 156         if (page != null) {
 157             return page;
 158         }
 159         int idx = pathInfo.lastIndexOf('/');
 160         pathInfo = pathInfo.substring(0, idx);
 161
 162         page = pages.get(pathInfo + "/*");
 163         if (page != null) {
 164             return page;
 165         }
 166         return null;
 167
 168     }
 169
 170     public static void addXSSHeaders(HttpServletResponse hsr) {
 171         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePort() + " https://" + ServerConstants.getSecureHostNamePort());
 172         hsr.addHeader("Access-Control-Max-Age", "60");
 173
 174         hsr.addHeader("Content-Security-Policy", getDefaultCSP());
 175         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 176
 177     }
 178
 179     private static String defaultCSP = null;
 180
 181     private static String getDefaultCSP() {
 182         if (defaultCSP == null) {
 183             StringBuffer csp = new StringBuffer();
 184             csp.append("default-src 'none';");
 185             csp.append("font-src https://" + ServerConstants.getStaticHostNamePort());
 186             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePort());
 187             csp.append(";media-src 'none'; object-src 'none';");
 188             csp.append("script-src https://" + ServerConstants.getStaticHostNamePort());
 189             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePort());
 190             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 191             csp.append("report-url https://api.cacert.org/security/csp/report");
 192             defaultCSP = csp.toString();
 193         }
 194         return defaultCSP;
 195     }
 196 }