class bd_http_https_auth {
	/**
	 * @var bd_http_https_auth - Static property to hold our singleton instance
	 */
	static $instance = false;

	private $_second_auth = false;

	private function __construct() {
		add_action( 'set_auth_cookie', array( $this, 'auth_again' ), null, 5 );
	}

	public function auth_again( $auth_cookie, $expire, $expiration, $user_id, $scheme ) {
		if ( !$this->_second_auth ) {
			$this->_second_auth = true;
			wp_set_auth_cookie( $user_id, (bool) $expire, (bool) ( $scheme == 'auth' ) );
			$this->_second_auth = false;
		}
	}

	/**
	 * Function to instantiate our class and make it a singleton
	 */
	public static function getInstance() {
		if ( !self::$instance ) {
			self::$instance = new self;
		}
		return self::$instance;
	}
}
$bd_http_https_auth = bd_http_https_auth::getInstance();