src/org/cacert/gigi/Gigi.java

   1 package org.cacert.gigi;
   2
   3 import java.io.IOException;
   4 import java.io.InputStreamReader;
   5 import java.io.PrintWriter;
   6 import java.util.Calendar;
   7 import java.util.HashMap;
   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.email.EmailProvider;
  19 import org.cacert.gigi.output.Menu;
  20 import org.cacert.gigi.output.MenuItem;
  21 import org.cacert.gigi.output.Outputable;
  22 import org.cacert.gigi.output.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.MailAdd;
  30 import org.cacert.gigi.pages.account.MailCertificateAdd;
  31 import org.cacert.gigi.pages.account.MailCertificates;
  32 import org.cacert.gigi.pages.account.MailOverview;
  33 import org.cacert.gigi.pages.account.MyDetails;
  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         public static final String LOGGEDIN = "loggedin";
  40         public static final String USER = "user";
  41         private static final long serialVersionUID = -6386785421902852904L;
  42         private Template baseTemplate;
  43         private HashMap<String, Page> pages = new HashMap<String, Page>();
  44         Menu m;
  45
  46         public Gigi(Properties conf) {
  47                 EmailProvider.init(conf);
  48                 DatabaseConnection.init(conf);
  49         }
  50         @Override
  51         public void init() throws ServletException {
  52                 pages.put("/login", new LoginPage("CACert - Login"));
  53                 pages.put("/", new MainPage("CACert - Home"));
  54                 pages.put("/secure", new TestSecure());
  55                 pages.put(Verify.PATH, new Verify());
  56                 pages.put(AssurePage.PATH + "/*", new AssurePage());
  57                 pages.put(MailCertificates.PATH, new MailCertificates());
  58                 pages.put(MyDetails.PATH, new MyDetails());
  59                 pages.put(ChangePasswordPage.PATH, new ChangePasswordPage());
  60                 pages.put(RegisterPage.PATH, new RegisterPage());
  61                 pages.put(MailCertificateAdd.PATH, new MailCertificateAdd());
  62                 pages.put(MailOverview.DEFAULT_PATH, new MailOverview(
  63                                 "My email addresses"));
  64                 pages.put(MailAdd.DEFAULT_PATH, new MailAdd("Add new email"));
  65                 baseTemplate = new Template(new InputStreamReader(
  66                                 Gigi.class.getResourceAsStream("Gigi.templ")));
  67                 m = new Menu("Certificates", "cert", new MenuItem(
  68                                 MailOverview.DEFAULT_PATH, "Emails"), new MenuItem("",
  69                                 "Client Certificates"), new MenuItem("", "Domains"),
  70                                 new MenuItem("", "Server Certificates"));
  71                 super.init();
  72
  73         }
  74         @Override
  75         protected void service(final HttpServletRequest req,
  76                         final HttpServletResponse resp) throws ServletException,
  77                         IOException {
  78                 addXSSHeaders(resp);
  79                 if (req.getHeader("Origin") != null) {
  80                         resp.getWriter().println("No cross domain access allowed.");
  81                         return;
  82                 }
  83                 HttpSession hs = req.getSession();
  84                 if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  85                         if (hs != null) {
  86                                 hs.setAttribute(LOGGEDIN, null);
  87                                 hs.invalidate();
  88                         }
  89                         resp.sendRedirect("/");
  90                         return;
  91                 }
  92
  93                 final Page p = getPage(req.getPathInfo());
  94                 if (p != null) {
  95
  96                         if (p.needsLogin() && hs.getAttribute("loggedin") == null) {
  97                                 String request = req.getPathInfo();
  98                                 request = request.split("\\?")[0];
  99                                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 100                                 resp.sendRedirect("/login");
 101                                 return;
 102                         }
 103                         if (p.beforeTemplate(req, resp)) {
 104                                 return;
 105                         }
 106                         HashMap<String, Object> vars = new HashMap<String, Object>();
 107
 108                         resp.setContentType("text/html; charset=utf-8");
 109                         Outputable content = new Outputable() {
 110
 111                                 @Override
 112                                 public void output(PrintWriter out, Language l,
 113                                                 Map<String, Object> vars) {
 114                                         try {
 115                                                 if (req.getMethod().equals("POST")) {
 116                                                         p.doPost(req, resp);
 117                                                 } else {
 118                                                         p.doGet(req, resp);
 119                                                 }
 120                                         } catch (IOException e) {
 121                                                 e.printStackTrace();
 122                                         }
 123
 124                                 }
 125                         };
 126                         vars.put("menu", m);
 127                         vars.put("title", p.getTitle());
 128                         vars.put("static", ServerConstants.getStaticHostNamePort());
 129                         vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 130                         vars.put("content", content);
 131                         baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 132                 } else {
 133                         resp.sendError(404, "Page not found.");
 134                 }
 135
 136         }
 137         private Page getPage(String pathInfo) {
 138                 if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 139                         pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 140                 }
 141                 Page page = pages.get(pathInfo);
 142                 if (page != null) {
 143                         return page;
 144                 }
 145                 page = pages.get(pathInfo + "/*");
 146                 if (page != null) {
 147                         return page;
 148                 }
 149                 int idx = pathInfo.lastIndexOf('/');
 150                 pathInfo = pathInfo.substring(0, idx);
 151
 152                 page = pages.get(pathInfo + "/*");
 153                 if (page != null) {
 154                         return page;
 155                 }
 156                 return null;
 157
 158         }
 159
 160         public static void addXSSHeaders(HttpServletResponse hsr) {
 161                 hsr.addHeader("Access-Control-Allow-Origin", "https://"
 162                                 + ServerConstants.getWwwHostNamePort() + " https://"
 163                                 + ServerConstants.getSecureHostNamePort());
 164                 hsr.addHeader("Access-Control-Max-Age", "60");
 165
 166                 hsr.addHeader("Content-Security-Policy", getDefaultCSP());
 167                 hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 168
 169         }
 170         private static String defaultCSP = null;
 171         private static String getDefaultCSP() {
 172                 if (defaultCSP == null) {
 173                         StringBuffer csp = new StringBuffer();
 174                         csp.append("default-src 'none';");
 175                         csp.append("font-src https://"
 176                                         + ServerConstants.getStaticHostNamePort());
 177                         csp.append(";img-src https://"
 178                                         + ServerConstants.getStaticHostNamePort());
 179                         csp.append(";media-src 'none'; object-src 'none';");
 180                         csp.append("script-src https://"
 181                                         + ServerConstants.getStaticHostNamePort());
 182                         csp.append(";style-src https://"
 183                                         + ServerConstants.getStaticHostNamePort());
 184                         csp.append(";form-action https://"
 185                                         + ServerConstants.getSecureHostNamePort() + " https://"
 186                                         + ServerConstants.getWwwHostNamePort());
 187                         csp.append("report-url https://api.cacert.org/security/csp/report");
 188                         defaultCSP = csp.toString();
 189                 }
 190                 return defaultCSP;
 191         }
 192 }