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.localisation.Language;
  19 import org.cacert.gigi.output.Form.CSRFException;
  20 import org.cacert.gigi.output.Menu;
  21 import org.cacert.gigi.output.MenuItem;
  22 import org.cacert.gigi.output.Outputable;
  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.TestSecure;
  28 import org.cacert.gigi.pages.Verify;
  29 import org.cacert.gigi.pages.account.ChangePasswordPage;
  30 import org.cacert.gigi.pages.account.DomainOverview;
  31 import org.cacert.gigi.pages.account.CertificateAdd;
  32 import org.cacert.gigi.pages.account.Certificates;
  33 import org.cacert.gigi.pages.account.MailOverview;
  34 import org.cacert.gigi.pages.account.MyDetails;
  35 import org.cacert.gigi.pages.error.PageNotFound;
  36 import org.cacert.gigi.pages.main.RegisterPage;
  37 import org.cacert.gigi.pages.wot.AssurePage;
  38 import org.cacert.gigi.util.ServerConstants;
  39
  40 public class Gigi extends HttpServlet {
  41
  42     public static final String LOGGEDIN = "loggedin";
  43
  44     public static final String USER = "user";
  45
  46     private static final long serialVersionUID = -6386785421902852904L;
  47
  48     private Template baseTemplate;
  49
  50     private HashMap<String, Page> pages = new HashMap<String, Page>();
  51
  52     Menu m;
  53
  54     public Gigi(Properties conf) {
  55         EmailProvider.init(conf);
  56         DatabaseConnection.init(conf);
  57     }
  58
  59     @Override
  60     public void init() throws ServletException {
  61         pages.put("/error", new PageNotFound());
  62         pages.put("/login", new LoginPage("CACert - Login"));
  63         pages.put("/", new MainPage("CACert - Home"));
  64         pages.put("/secure", new TestSecure());
  65         pages.put(Verify.PATH, new Verify());
  66         pages.put(AssurePage.PATH + "/*", new AssurePage());
  67         pages.put(Certificates.PATH + "/*", new Certificates());
  68         pages.put(MyDetails.PATH, new MyDetails());
  69         pages.put(ChangePasswordPage.PATH, new ChangePasswordPage());
  70         pages.put(RegisterPage.PATH, new RegisterPage());
  71         pages.put(CertificateAdd.PATH, new CertificateAdd());
  72         pages.put(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"));
  73         pages.put(DomainOverview.PATH, new DomainOverview("Domains"));
  74         baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
  75         m = new Menu("Certificates", "cert", new MenuItem(MailOverview.DEFAULT_PATH, "Emails"), new MenuItem("", "Client Certificates"), new MenuItem("", "Domains"), new MenuItem("", "Server Certificates"));
  76         super.init();
  77
  78     }
  79
  80     @Override
  81     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
  82         addXSSHeaders(resp);
  83         // if (req.getHeader("Origin") != null) {
  84         // resp.getWriter().println("No cross domain access allowed.");
  85         // return;
  86         // }
  87         HttpSession hs = req.getSession();
  88         if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  89             if (hs != null) {
  90                 hs.setAttribute(LOGGEDIN, null);
  91                 hs.invalidate();
  92             }
  93             resp.sendRedirect("/");
  94             return;
  95         }
  96
  97         final Page p = getPage(req.getPathInfo());
  98         if (p != null) {
  99
 100             if (p.needsLogin() && hs.getAttribute("loggedin") == null) {
 101                 String request = req.getPathInfo();
 102                 request = request.split("\\?")[0];
 103                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 104                 resp.sendRedirect("/login");
 105                 return;
 106             }
 107             if (p.beforeTemplate(req, resp)) {
 108                 return;
 109             }
 110             HashMap<String, Object> vars = new HashMap<String, Object>();
 111
 112             resp.setContentType("text/html; charset=utf-8");
 113             Outputable content = new Outputable() {
 114
 115                 @Override
 116                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 117                     try {
 118                         if (req.getMethod().equals("POST")) {
 119                             if (req.getQueryString() != null) {
 120                                 return;
 121                             }
 122                             p.doPost(req, resp);
 123                         } else {
 124                             p.doGet(req, resp);
 125                         }
 126                     } catch (CSRFException err) {
 127                         try {
 128                             resp.sendError(500, "CSRF invalid");
 129                         } catch (IOException e) {
 130                             e.printStackTrace();
 131                         }
 132                     } catch (IOException e) {
 133                         e.printStackTrace();
 134                     }
 135
 136                 }
 137             };
 138             vars.put("menu", m);
 139             vars.put("title", p.getTitle());
 140             vars.put("static", ServerConstants.getStaticHostNamePort());
 141             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 142             vars.put("content", content);
 143             baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 144         } else {
 145             resp.sendError(404, "Page not found.");
 146         }
 147
 148     }
 149
 150     private Page getPage(String pathInfo) {
 151         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 152             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 153         }
 154         Page page = pages.get(pathInfo);
 155         if (page != null) {
 156             return page;
 157         }
 158         page = pages.get(pathInfo + "/*");
 159         if (page != null) {
 160             return page;
 161         }
 162         int idx = pathInfo.lastIndexOf('/');
 163         pathInfo = pathInfo.substring(0, idx);
 164
 165         page = pages.get(pathInfo + "/*");
 166         if (page != null) {
 167             return page;
 168         }
 169         return null;
 170
 171     }
 172
 173     public static void addXSSHeaders(HttpServletResponse hsr) {
 174         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePort() + " https://" + ServerConstants.getSecureHostNamePort());
 175         hsr.addHeader("Access-Control-Max-Age", "60");
 176
 177         hsr.addHeader("Content-Security-Policy", getDefaultCSP());
 178         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 179
 180     }
 181
 182     private static String defaultCSP = null;
 183
 184     private static String getDefaultCSP() {
 185         if (defaultCSP == null) {
 186             StringBuffer csp = new StringBuffer();
 187             csp.append("default-src 'none';");
 188             csp.append("font-src https://" + ServerConstants.getStaticHostNamePort());
 189             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePort());
 190             csp.append(";media-src 'none'; object-src 'none';");
 191             csp.append("script-src https://" + ServerConstants.getStaticHostNamePort());
 192             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePort());
 193             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 194             csp.append("report-url https://api.cacert.org/security/csp/report");
 195             defaultCSP = csp.toString();
 196         }
 197         return defaultCSP;
 198     }
 199 }