<?php
if (!class_exists('WP_Async_Request')) {
abstract class WP_Async_Request
{
protected $prefix = 'wp';
protected $action = 'async_request';
protected $identifier;
protected $data = array();
public function __construct()
{
$this->identifier = $this->prefix . '_' . $this->action;
add_action('wp_ajax_' . $this->identifier, array($this, 'maybe_handle'));
add_action('wp_ajax_nopriv_' . $this->identifier, array($this, 'maybe_handle'));
}
public function data($data)
{
$this->data = $data;
return $this;
}
public function dispatch()
{
$url = add_query_arg($this->get_query_args(), $this->get_query_url());
$args = $this->get_post_args();
return wp_remote_post(esc_url_raw($url), $args);
}
protected function get_query_args()
{
if (property_exists($this, 'query_args')) {
return $this->query_args;
}
return array('action' => $this->identifier, 'nonce' => wp_create_nonce($this->identifier));
}
protected function get_query_url()
{
if (property_exists($this, 'query_url')) {
return $this->query_url;
}
return admin_url('admin-ajax.php');
}
protected function get_post_args()
{
if (property_exists($this, 'post_args')) {
return $this->post_args;
}
return array('timeout' => 0.01, 'blocking' => false, 'body' => $this->data, 'cookies' => $_COOKIE, 'sslverify' => apply_filters('https_local_ssl_verify', false));
}
public function maybe_handle()
{
session_write_close();
check_ajax_referer($this->identifier, 'nonce');
$this->handle();
wp_die();
}
protected abstract function handle();
}
}