jetpack / 3rd-party / class-domain-mapping.php

class-domain-mapping.php in Jetpack – WP Security, Backup, Speed, & Growth 16.3-a.7, at 3rd-party/class-domain-mapping.php

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1	<?php
2	/**
3	* Domain Mapping 3rd Party
4	*
5	* @package automattic/jetpack
6	*/
7
8	namespace Automattic\Jetpack\Third_Party;
9
10	use Automattic\Jetpack\Constants;
11
12	if ( ! defined( 'ABSPATH' ) ) {
13	exit( 0 );
14	}
15
16	/**
17	* Class Automattic\Jetpack\Third_Party\Domain_Mapping.
18	*
19	* This class contains methods that are used to provide compatibility between Jetpack sync and domain mapping plugins.
20	*/
21	class Domain_Mapping {
22
23	/**
24	* Singleton holder.
25	*
26	* @var Domain_Mapping
27	**/
28	private static $instance = null;
29
30	/**
31	* An array of methods that are used to hook the Jetpack sync filters for home_url and site_url to a mapping plugin.
32	*
33	* @var array
34	*/
35	public static $test_methods = array(
36	'hook_wordpress_mu_domain_mapping',
37	'hook_wpmu_dev_domain_mapping',
38	);
39
40	/**
41	* Singleton constructor.
42	*
43	* @return Domain_Mapping\|null
44	*/
45	public static function init() {
46	if ( self::$instance === null ) {
47	self::$instance = new Domain_Mapping();
48	}
49
50	return self::$instance;
51	}
52
53	/**
54	* Class Automattic\Jetpack\Third_Party\Domain_Mapping constructor.
55	*/
56	private function __construct() {
57	add_action( 'plugins_loaded', array( $this, 'attempt_to_hook_domain_mapping_plugins' ) );
58	}
59
60	/**
61	* This function is called on the plugins_loaded action and will loop through the $test_methods
62	* to try and hook a domain mapping plugin to the Jetpack sync filters for the home_url and site_url callables.
63	*/
64	public function attempt_to_hook_domain_mapping_plugins() {
65	if ( ! Constants::is_defined( 'SUNRISE' ) ) {
66	return;
67	}
68
69	$hooked = false;
70	$count = count( self::$test_methods );
71	for ( $i = 0; $i < $count && ! $hooked; $i++ ) {
72	$hooked = call_user_func( array( $this, self::$test_methods[ $i ] ) );
73	}
74	}
75
76	/**
77	* This method will test for a constant and function that are known to be used with Donncha's WordPress MU
78	* Domain Mapping plugin. If conditions are met, we hook the domain_mapping_siteurl() function to Jetpack sync
79	* filters for home_url and site_url callables.
80	*
81	* @return bool
82	*/
83	public function hook_wordpress_mu_domain_mapping() {
84	if ( ! Constants::is_defined( 'SUNRISE_LOADED' ) \|\| ! $this->function_exists( 'domain_mapping_siteurl' ) ) {
85	return false;
86	}
87
88	add_filter( 'jetpack_sync_home_url', 'domain_mapping_siteurl' );
89	add_filter( 'jetpack_sync_site_url', 'domain_mapping_siteurl' );
90
91	return true;
92	}
93
94	/**
95	* This method will test for a class and method known to be used in WPMU Dev's domain mapping plugin. If the
96	* method exists, then we'll hook the swap_to_mapped_url() to our Jetpack sync filters for home_url and site_url.
97	*
98	* @return bool
99	*/
100	public function hook_wpmu_dev_domain_mapping() {
101	if ( ! $this->class_exists( 'domain_map' ) \|\| ! $this->method_exists( 'domain_map', 'utils' ) ) {
102	return false;
103	}
104
105	$utils = $this->get_domain_mapping_utils_instance();
106	add_filter( 'jetpack_sync_home_url', array( $utils, 'swap_to_mapped_url' ) );
107	add_filter( 'jetpack_sync_site_url', array( $utils, 'swap_to_mapped_url' ) );
108
109	return true;
110	}
111
112	/*
113	* Utility Methods
114	*
115	* These methods are very minimal, and in most cases, simply pass on arguments. Why create them you ask?
116	* So that we can test.
117	*/
118
119	/**
120	* Checks if a method exists.
121	*
122	* @param string $class Class name.
123	* @param string $method Method name.
124	*
125	* @return bool Returns function_exists() without modification.
126	*/
127	public function method_exists( $class, $method ) {
128	return method_exists( $class, $method );
129	}
130
131	/**
132	* Checks if a class exists.
133	*
134	* @param string $class Class name.
135	*
136	* @return bool Returns class_exists() without modification.
137	*/
138	public function class_exists( $class ) {
139	return class_exists( $class );
140	}
141
142	/**
143	* Checks if a function exists.
144	*
145	* @param string $function Function name.
146	*
147	* @return bool Returns function_exists() without modification.
148	*/
149	public function function_exists( $function ) {
150	return function_exists( $function );
151	}
152
153	/**
154	* Returns the Domain_Map::utils() instance.
155	*
156	* @see https://github.com/wpmudev/domain-mapping/blob/master/classes/Domainmap/Utils.php
157	* @return \Domainmap_Utils
158	*/
159	public function get_domain_mapping_utils_instance() {
160	return \domain_map::utils();
161	}
162	}
163
164	Domain_Mapping::init();
165