jetpack / sync / class.jetpack-sync-module-constants.php

class.jetpack-sync-module-constants.php in Jetpack – WP Security, Backup, Speed, & Growth 6.2.4, at sync/class.jetpack-sync-module-constants.php

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1	<?php
2
3	require_once dirname( __FILE__ ) . '/class.jetpack-sync-defaults.php';
4
5	class Jetpack_Sync_Module_Constants extends Jetpack_Sync_Module {
6	const CONSTANTS_CHECKSUM_OPTION_NAME = 'jetpack_constants_sync_checksum';
7	const CONSTANTS_AWAIT_TRANSIENT_NAME = 'jetpack_sync_constants_await';
8
9	public function name() {
10	return 'constants';
11	}
12
13	public function init_listeners( $callable ) {
14	add_action( 'jetpack_sync_constant', $callable, 10, 2 );
15	}
16
17	public function init_full_sync_listeners( $callable ) {
18	add_action( 'jetpack_full_sync_constants', $callable );
19	}
20
21	public function init_before_send() {
22	add_action( 'jetpack_sync_before_send_queue_sync', array( $this, 'maybe_sync_constants' ) );
23
24	// full sync
25	add_filter( 'jetpack_sync_before_send_jetpack_full_sync_constants', array( $this, 'expand_constants' ) );
26	}
27
28	public function reset_data() {
29	delete_option( self::CONSTANTS_CHECKSUM_OPTION_NAME );
30	delete_transient( self::CONSTANTS_AWAIT_TRANSIENT_NAME );
31	}
32
33	function set_constants_whitelist( $constants ) {
34	$this->constants_whitelist = $constants;
35	}
36
37	function get_constants_whitelist() {
38	return Jetpack_Sync_Defaults::get_constants_whitelist();
39	}
40
41	function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) {
42	/**
43	* Tells the client to sync all constants to the server
44	*
45	* @since 4.2.0
46	*
47	* @param boolean Whether to expand constants (should always be true)
48	*/
49	do_action( 'jetpack_full_sync_constants', true );
50
51	// The number of actions enqueued, and next module state (true == done)
52	return array( 1, true );
53	}
54
55	function estimate_full_sync_actions( $config ) {
56	return 1;
57	}
58
59	function get_full_sync_actions() {
60	return array( 'jetpack_full_sync_constants' );
61	}
62
63	function maybe_sync_constants() {
64	if ( get_transient( self::CONSTANTS_AWAIT_TRANSIENT_NAME ) ) {
65	return;
66	}
67
68	set_transient( self::CONSTANTS_AWAIT_TRANSIENT_NAME, microtime( true ), Jetpack_Sync_Defaults::$default_sync_constants_wait_time );
69
70	$constants = $this->get_all_constants();
71	if ( empty( $constants ) ) {
72	return;
73	}
74
75	$constants_checksums = (array) get_option( self::CONSTANTS_CHECKSUM_OPTION_NAME, array() );
76
77	foreach ( $constants as $name => $value ) {
78	$checksum = $this->get_check_sum( $value );
79	// explicitly not using Identical comparison as get_option returns a string
80	if ( ! $this->still_valid_checksum( $constants_checksums, $name, $checksum ) && ! is_null( $value ) ) {
81	/**
82	* Tells the client to sync a constant to the server
83	*
84	* @since 4.2.0
85	*
86	* @param string The name of the constant
87	* @param mixed The value of the constant
88	*/
89	do_action( 'jetpack_sync_constant', $name, $value );
90	$constants_checksums[ $name ] = $checksum;
91	} else {
92	$constants_checksums[ $name ] = $checksum;
93	}
94	}
95	update_option( self::CONSTANTS_CHECKSUM_OPTION_NAME, $constants_checksums );
96	}
97
98	// public so that we don't have to store an option for each constant
99	function get_all_constants() {
100	$constants_whitelist = $this->get_constants_whitelist();
101	return array_combine(
102	$constants_whitelist,
103	array_map( array( $this, 'get_constant' ), $constants_whitelist )
104	);
105	}
106
107	private function get_constant( $constant ) {
108	return ( defined( $constant ) ) ?
109	constant( $constant )
110	: null;
111	}
112
113	public function expand_constants( $args ) {
114	if ( $args[0] ) {
115	$constants = $this->get_all_constants();
116	$constants_checksums = array();
117	foreach ( $constants as $name => $value ) {
118	$constants_checksums[ $name ] = $this->get_check_sum( $value );
119	}
120	update_option( self::CONSTANTS_CHECKSUM_OPTION_NAME, $constants_checksums );
121	return $constants;
122	}
123	return $args;
124	}
125	}
126