<?php 

class AuthHTTPS {
    private $dn = NULL;
    private $cadn = NULL;

    public function __construct () {
        if (isset ($_SERVER['HTTPS'])) {
            if ($_SERVER['SSL_CLIENT_VERIFY'] == "SUCCESS") {
                if (isset ($_SERVER['SSL_CLIENT_S_DN'])) 
                    $this->dn = $_SERVER['SSL_CLIENT_S_DN'];
                if (isset ($_SERVER['SSL_CLIENT_I_DN']))
                    $this->cadn = $_SERVER['SSL_CLIENT_I_DN'];
            }
        }
    }

    public function getDN() {
        return $this>dn;
    }
}

?>