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.Outputable;
  21 import org.cacert.gigi.output.SimpleMenuItem;
  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     private HashMap<Page, String> reveresePages = new HashMap<Page, String>();
  52
  53     private Menu m;
  54
  55     private static Gigi instance;
  56
  57     public Gigi(Properties conf) {
  58         if (instance != null) {
  59             new IllegalStateException("Multiple Gigi instances!");
  60         }
  61         DatabaseConnection.init(conf);
  62     }
  63
  64     @Override
  65     public void init() throws ServletException {
  66         putPage("/error", new PageNotFound());
  67         putPage("/login", new LoginPage("CACert - Login"));
  68         putPage("/", new MainPage("CACert - Home"));
  69         putPage("/secure", new TestSecure());
  70         putPage(Verify.PATH, new Verify());
  71         putPage(AssurePage.PATH + "/*", new AssurePage());
  72         putPage(Certificates.PATH + "/*", new Certificates());
  73         putPage(MyDetails.PATH, new MyDetails());
  74         putPage(ChangePasswordPage.PATH, new ChangePasswordPage());
  75         putPage(RegisterPage.PATH, new RegisterPage());
  76         putPage(CertificateAdd.PATH, new CertificateAdd());
  77         putPage(MailOverview.DEFAULT_PATH, new MailOverview("My email addresses"));
  78         putPage(DomainOverview.PATH, new DomainOverview("Domains"));
  79         baseTemplate = new Template(Gigi.class.getResource("Gigi.templ"));
  80         m = new Menu("Certificates", "cert", new SimpleMenuItem(MailOverview.DEFAULT_PATH, "Emails"), new SimpleMenuItem("", "Client Certificates"), new SimpleMenuItem("", "Domains"), new SimpleMenuItem("", "Server Certificates"));
  81         super.init();
  82     }
  83
  84     private void putPage(String path, Page p) {
  85         pages.put(path, p);
  86         reveresePages.put(p, path);
  87     }
  88
  89     @Override
  90     protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
  91         addXSSHeaders(resp);
  92         // if (req.getHeader("Origin") != null) {
  93         // resp.getWriter().println("No cross domain access allowed.");
  94         // return;
  95         // }
  96         HttpSession hs = req.getSession();
  97         if (req.getPathInfo() != null && req.getPathInfo().equals("/logout")) {
  98             if (hs != null) {
  99                 hs.setAttribute(LOGGEDIN, null);
 100                 hs.invalidate();
 101             }
 102             resp.sendRedirect("/");
 103             return;
 104         }
 105
 106         final Page p = getPage(req.getPathInfo());
 107         if (p != null) {
 108
 109             if ( !p.isPermitted(LoginPage.getUser(req)) && hs.getAttribute("loggedin") == null) {
 110                 String request = req.getPathInfo();
 111                 request = request.split("\\?")[0];
 112                 hs.setAttribute(LoginPage.LOGIN_RETURNPATH, request);
 113                 resp.sendRedirect("/login");
 114                 return;
 115             }
 116             if (p.beforeTemplate(req, resp)) {
 117                 return;
 118             }
 119             HashMap<String, Object> vars = new HashMap<String, Object>();
 120
 121             resp.setContentType("text/html; charset=utf-8");
 122             Outputable content = new Outputable() {
 123
 124                 @Override
 125                 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
 126                     try {
 127                         if (req.getMethod().equals("POST")) {
 128                             if (req.getQueryString() != null) {
 129                                 return;
 130                             }
 131                             p.doPost(req, resp);
 132                         } else {
 133                             p.doGet(req, resp);
 134                         }
 135                     } catch (CSRFException err) {
 136                         try {
 137                             resp.sendError(500, "CSRF invalid");
 138                         } catch (IOException e) {
 139                             e.printStackTrace();
 140                         }
 141                     } catch (IOException e) {
 142                         e.printStackTrace();
 143                     }
 144
 145                 }
 146             };
 147             vars.put("menu", m);
 148             vars.put("title", p.getTitle());
 149             vars.put("static", ServerConstants.getStaticHostNamePort());
 150             vars.put("year", Calendar.getInstance().get(Calendar.YEAR));
 151             vars.put("content", content);
 152             baseTemplate.output(resp.getWriter(), Page.getLanguage(req), vars);
 153         } else {
 154             resp.sendError(404, "Page not found.");
 155         }
 156
 157     }
 158
 159     private Page getPage(String pathInfo) {
 160         if (pathInfo.endsWith("/") && !pathInfo.equals("/")) {
 161             pathInfo = pathInfo.substring(0, pathInfo.length() - 1);
 162         }
 163         Page page = pages.get(pathInfo);
 164         if (page != null) {
 165             return page;
 166         }
 167         page = pages.get(pathInfo + "/*");
 168         if (page != null) {
 169             return page;
 170         }
 171         int idx = pathInfo.lastIndexOf('/');
 172         pathInfo = pathInfo.substring(0, idx);
 173
 174         page = pages.get(pathInfo + "/*");
 175         if (page != null) {
 176             return page;
 177         }
 178         return null;
 179
 180     }
 181
 182     public static void addXSSHeaders(HttpServletResponse hsr) {
 183         hsr.addHeader("Access-Control-Allow-Origin", "https://" + ServerConstants.getWwwHostNamePort() + " https://" + ServerConstants.getSecureHostNamePort());
 184         hsr.addHeader("Access-Control-Max-Age", "60");
 185
 186         hsr.addHeader("Content-Security-Policy", getDefaultCSP());
 187         hsr.addHeader("Strict-Transport-Security", "max-age=31536000");
 188
 189     }
 190
 191     private static String defaultCSP = null;
 192
 193     private static String getDefaultCSP() {
 194         if (defaultCSP == null) {
 195             StringBuffer csp = new StringBuffer();
 196             csp.append("default-src 'none';");
 197             csp.append("font-src https://" + ServerConstants.getStaticHostNamePort());
 198             csp.append(";img-src https://" + ServerConstants.getStaticHostNamePort());
 199             csp.append(";media-src 'none'; object-src 'none';");
 200             csp.append("script-src https://" + ServerConstants.getStaticHostNamePort());
 201             csp.append(";style-src https://" + ServerConstants.getStaticHostNamePort());
 202             csp.append(";form-action https://" + ServerConstants.getSecureHostNamePort() + " https://" + ServerConstants.getWwwHostNamePort());
 203             csp.append("report-url https://api.cacert.org/security/csp/report");
 204             defaultCSP = csp.toString();
 205         }
 206         return defaultCSP;
 207     }
 208
 209     public static String getPathByPage(Page p) {
 210         return instance.reveresePages.get(p);
 211     }
 212
 213 }