+ public static final String LOGIN_RETURNPATH = "login-returnpath";
+
+ public LoginPage(String title) {
+ super(title);
+ }
+
+ @Override
+ public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ resp.getWriter().println("<form method='POST' action='/login'>" + "<input type='text' name='username'>" + "<input type='password' name='password'> <input type='submit' value='login'></form>");
+ }
+
+ @Override
+ public boolean beforeTemplate(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ String redir = (String) req.getSession().getAttribute(LOGIN_RETURNPATH);
+ if (req.getSession().getAttribute("loggedin") == null) {
+ X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
+ if (cert != null && cert[0] != null) {
+ tryAuthWithCertificate(req, cert[0]);
+ }
+ if (req.getMethod().equals("POST")) {
+ tryAuthWithUnpw(req);
+ }
+ }
+
+ if (req.getSession().getAttribute("loggedin") != null) {
+ String s = redir;
+ if (s != null) {
+ if ( !s.startsWith("/")) {
+ s = "/" + s;
+ }
+ resp.sendRedirect(s);
+ } else {
+ resp.sendRedirect("/");
+ }
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ public boolean needsLogin() {
+ return false;
+ }
+
+ private void tryAuthWithUnpw(HttpServletRequest req) {
+ String un = req.getParameter("username");
+ String pw = req.getParameter("password");
+ GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT `password`, `id` FROM `users` WHERE `email`=? AND locked='0' AND verified='1'");
+ ps.setString(1, un);
+ GigiResultSet rs = ps.executeQuery();
+ if (rs.next()) {
+ if (PasswordHash.verifyHash(pw, rs.getString(1))) {
+ loginSession(req, User.getById(rs.getInt(2)));
+ }
+ }
+ rs.close();
+ }
+
+ public static User getUser(HttpServletRequest req) {
+ return (User) req.getSession().getAttribute(USER);
+ }
+
+ private void tryAuthWithCertificate(HttpServletRequest req, X509Certificate x509Certificate) {
+ String serial = x509Certificate.getSerialNumber().toString(16).toUpperCase();
+ GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT `memid` FROM `certs` WHERE `serial`=? AND `disablelogin`='0' AND `revoked` = " + "'0000-00-00 00:00:00'");
+ ps.setString(1, serial);
+ GigiResultSet rs = ps.executeQuery();
+ if (rs.next()) {
+ loginSession(req, User.getById(rs.getInt(1)));
+ }
+ rs.close();
+ }
+
+ private void loginSession(HttpServletRequest req, User user) {
+ req.getSession().invalidate();
+ HttpSession hs = req.getSession();
+ hs.setAttribute(LOGGEDIN, true);
+ hs.setAttribute(Language.SESSION_ATTRIB_NAME, user.getPreferredLocale());
+ hs.setAttribute(USER, user);
+ }
+
+ @Override
+ public boolean isPermitted(User u) {
+ return u == null;
+ }