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