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