elementor / core / base / background-process / wp-async-request.php

wp-async-request.php in Elementor Website Builder – more than just a page builder 4.2.0, at core/base/background-process/wp-async-request.php

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1	<?php
2	namespace Elementor\Core\Base\BackgroundProcess;
3
4	if ( ! defined( 'ABSPATH' ) ) {
5	exit;
6	}
7
8	/**
9	* Link https://github.com/A5hleyRich/wp-background-processing GPL v2.0
10	*
11	* WP Async Request
12	*
13	* @package WP-Background-Processing
14	*/
15
16	/**
17	* Abstract WP_Async_Request class.
18	*
19	* @abstract
20	*/
21	abstract class WP_Async_Request {
22
23	/**
24	* Prefix
25	*
26	* (default value: 'wp')
27	*
28	* @var string
29	* @access protected
30	*/
31	protected $prefix = 'wp';
32
33	/**
34	* Action
35	*
36	* (default value: 'async_request')
37	*
38	* @var string
39	* @access protected
40	*/
41	protected $action = 'async_request';
42
43	/**
44	* Identifier
45	*
46	* @var mixed
47	* @access protected
48	*/
49	protected $identifier;
50
51	/**
52	* Data
53	*
54	* (default value: [])
55	*
56	* @var array
57	* @access protected
58	*/
59	protected $data = [];
60
61	/**
62	* Initiate new async request
63	*/
64	public function __construct() {
65	$this->identifier = $this->prefix . '_' . $this->action;
66
67	add_action( 'wp_ajax_' . $this->identifier, [ $this, 'maybe_handle' ] );
68	add_action( 'wp_ajax_nopriv_' . $this->identifier, [ $this, 'maybe_handle' ] );
69	}
70
71	/**
72	* Set data used during the request
73	*
74	* @param array $data Data.
75	*
76	* @return $this
77	*/
78	public function data( $data ) {
79	$this->data = $data;
80
81	return $this;
82	}
83
84	/**
85	* Dispatch the async request
86	*
87	* @return array\|\WP_Error
88	*/
89	public function dispatch() {
90	$url = add_query_arg( $this->get_query_args(), $this->get_query_url() );
91	$args = $this->get_post_args();
92
93	return wp_remote_post( esc_url_raw( $url ), $args );
94	}
95
96	/**
97	* Get query args
98	*
99	* @return array
100	*/
101	protected function get_query_args() {
102	if ( property_exists( $this, 'query_args' ) ) {
103	return $this->query_args;
104	}
105
106	return [
107	'action' => $this->identifier,
108	'nonce' => wp_create_nonce( $this->identifier ),
109	];
110	}
111
112	/**
113	* Get query URL
114	*
115	* @return string
116	*/
117	protected function get_query_url() {
118	if ( property_exists( $this, 'query_url' ) ) {
119	return $this->query_url;
120	}
121
122	return admin_url( 'admin-ajax.php' );
123	}
124
125	/**
126	* Get post args
127	*
128	* @return array
129	*/
130	protected function get_post_args() {
131	if ( property_exists( $this, 'post_args' ) ) {
132	return $this->post_args;
133	}
134
135	return [
136	'timeout' => 5,
137	'blocking' => false,
138	'body' => $this->data,
139	'cookies' => $_COOKIE,
140	/** This filter is documented in wp-includes/class-wp-http-streams.php */
141	'sslverify' => apply_filters( 'https_local_ssl_verify', false ),
142	];
143	}
144
145	/**
146	* Maybe handle
147	*
148	* Check for correct nonce and pass to handler.
149	*/
150	public function maybe_handle() {
151	// Don't lock up other requests while processing
152	session_write_close();
153
154	check_ajax_referer( $this->identifier, 'nonce' );
155
156	$this->handle();
157
158	wp_die();
159	}
160
161	/**
162	* Handle
163	*
164	* Override this method to perform any actions required
165	* during the async request.
166	*/
167	abstract protected function handle();
168	}
169