Jetpack_Protect_Module::maybe_update_headers PHP Method

    public function maybe_update_headers($force = false)
    {
        $updated_recently = $this->get_transient('jpp_headers_updated_recently');
        if (!$force) {
            if (isset($_GET['protect_update_headers'])) {
                $force = true;
            }
        }
        // check that current user is admin so we prevent a lower level user from adding
        // a trusted header, allowing them to brute force an admin account
        if ($updated_recently && !$force || !current_user_can('update_plugins')) {
            return;
        }
        $response = Jetpack_Protect_Module::protect_call('check_key');
        $this->set_transient('jpp_headers_updated_recently', 1, DAY_IN_SECONDS);
        if (isset($response['msg']) && $response['msg']) {
            update_site_option('trusted_ip_header', json_decode($response['msg']));
        }
    }