174 lines
3.5 KiB
PHP
174 lines
3.5 KiB
PHP
<?php
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/**
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* Meta for WooCommerce.
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*/
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namespace WooCommerce\Facebook\Framework\Utilities;
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defined( 'ABSPATH' ) || exit;
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/**
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* SkyVerge WordPress Async Request class
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*
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* Based on the incredible work by deliciousbrains - most of the code is from
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* here: https://github.com/A5hleyRich/wp-background-processing
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*
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* Forked & namespaced to prevent dependency conflicts and to facilitate
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* further customizations.
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*
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* Use SV_WP_Async_Request::set_data() to set request data, instead of ::data().
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*
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* @since 4.4.0
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*/
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abstract class AsyncRequest {
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/** @var string request prefix */
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protected $prefix = 'wp';
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/** @var string request action name */
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protected $action = 'async_request';
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/** @var string request identifier */
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protected $identifier;
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/** @var array request data */
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protected $data = [];
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/**
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* Initiate a new async request
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*
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* @since 4.4.0
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*/
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public function __construct() {
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$this->identifier = $this->prefix . '_' . $this->action;
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add_action( 'wp_ajax_' . $this->identifier, array( $this, 'maybe_handle' ) );
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add_action( 'wp_ajax_nopriv_' . $this->identifier, array( $this, 'maybe_handle' ) );
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}
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/**
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* Set data used during the async request
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*
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* @since 4.4.0
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* @param array $data
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* @return AsyncRequest
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*/
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public function set_data( $data ) {
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$this->data = $data;
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return $this;
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}
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/**
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* Dispatch the async request
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*
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* @since 4.4.0
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* @return array|\WP_Error
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*/
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public function dispatch() {
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$url = add_query_arg( $this->get_query_args(), $this->get_query_url() );
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$args = $this->get_request_args();
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return wp_safe_remote_get( esc_url( $url, null, 'db' ), $args );
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}
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/**
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* Get query args
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*
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* @since 4.4.0
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* @return array
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*/
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protected function get_query_args() {
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// Check if a child class has defined this property for custom query args
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if ( property_exists( $this, 'query_args' ) ) {
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// Dynamic property; not defined in the parent class, and not a true lint error
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// phpcs:ignore
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return $this->query_args;
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}
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return array(
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'action' => $this->identifier,
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'nonce' => wp_create_nonce( $this->identifier ),
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);
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}
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/**
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* Get query URL
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*
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* @since 4.4.0
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* @return string
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*/
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protected function get_query_url() {
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// Check if a child class has defined this property for a custom URL
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if ( property_exists( $this, 'query_url' ) ) {
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// Dynamic property; not defined in the parent class, and not a true lint error
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// phpcs:ignore
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return $this->query_url;
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}
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return admin_url( 'admin-ajax.php' );
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}
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/**
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* Get request args
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*
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* In 4.6.3 renamed from get_post_args to get_request_args
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*
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* @since 4.4.0
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* @return array
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*/
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protected function get_request_args() {
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// Check if a child class has defined this property for custom request args
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if ( property_exists( $this, 'request_args' ) ) {
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// Dynamic property; not defined in the parent class, and not a true lint error
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// phpcs:ignore
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return $this->request_args;
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}
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return array(
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'timeout' => 0.01,
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'blocking' => false,
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'body' => $this->data,
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'cookies' => $_COOKIE,
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'sslverify' => apply_filters( 'https_local_ssl_verify', false ),
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);
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}
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/**
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* Maybe handle
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*
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* Check for correct nonce and pass to handler.
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*
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* @since 4.4.0
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*/
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public function maybe_handle() {
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check_ajax_referer( $this->identifier, 'nonce' );
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$this->handle();
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wp_die();
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}
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/**
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* Handle
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*
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* Override this method to perform any actions required
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* during the async request.
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*
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* @since 4.4.0
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*/
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abstract protected function handle();
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}
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