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