jetpack / functions.global.php

functions.global.php in Jetpack – WP Security, Backup, Speed, & Growth 6.1, at functions.global.php

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1	<?php
2	/**
3	* This file is meant to be the home for any generic & reusable functions
4	* that can be accessed anywhere within Jetpack.
5	*
6	* This file is loaded whether or not Jetpack is active.
7	*
8	* Please namespace with jetpack_
9	* Please write docblocks
10	*/
11
12	/**
13	* Disable direct access.
14	*/
15	if ( ! defined( 'ABSPATH' ) ) {
16	exit;
17	}
18
19	/**
20	* Determine if this site is an Atomic site or not looking first at the 'at_options' option.
21	* As a fallback, check for presence of wpcomsh plugin to determine if a current site has undergone AT.
22	*
23	* @since 4.8.1
24	*
25	* @return bool
26	*/
27	function jetpack_is_atomic_site() {
28	$at_options = get_option( 'at_options', array() );
29	return ! empty( $at_options ) \|\| defined( 'WPCOMSH__PLUGIN_FILE' );
30	}
31
32	/**
33	* Register post type for migration.
34	*
35	* @since 5.2
36	*/
37	function jetpack_register_migration_post_type() {
38	register_post_type( 'jetpack_migration', array(
39	'supports' => array(),
40	'taxonomies' => array(),
41	'hierarchical' => false,
42	'public' => false,
43	'has_archive' => false,
44	'can_export' => true,
45	) );
46	}
47
48	/**
49	* Stores migration data in the database.
50	*
51	* @since 5.2
52	*
53	* @param string $option_name
54	* @param bool $option_value
55	*
56	* @return int\|WP_Error
57	*/
58	function jetpack_store_migration_data( $option_name, $option_value ) {
59	jetpack_register_migration_post_type();
60
61	$insert = array(
62	'post_title' => $option_name,
63	'post_content_filtered' => $option_value,
64	'post_type' => 'jetpack_migration',
65	'post_date' => date( 'Y-m-d H:i:s', time() ),
66	);
67
68	$post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
69
70	if ( null !== $post ) {
71	$insert['ID'] = $post->ID;
72	}
73
74	return wp_insert_post( $insert, true );
75	}
76
77	/**
78	* Retrieves legacy image widget data.
79	*
80	* @since 5.2
81	*
82	* @param string $option_name
83	*
84	* @return mixed\|null
85	*/
86	function jetpack_get_migration_data( $option_name ) {
87	$post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
88
89	return null !== $post ? maybe_unserialize( $post->post_content_filtered ) : null;
90	}
91
92	/**
93	* Prints a TOS blurb used throughout the connection prompts.
94	*
95	* @since 5.3
96	*
97	* @return string
98	*/
99	function jetpack_render_tos_blurb() {
100	printf(
101	__( 'By clicking the <strong>Set up Jetpack</strong> button, you agree to our fascinating <a href="%s" target="_blank">Terms of Service</a> and to <a href="%s" target="_blank">share details</a> with WordPress.com', 'jetpack' ),
102	'https://wordpress.com/tos',
103	'https://jetpack.com/support/what-data-does-jetpack-sync'
104	);
105	}
106
107	/**
108	* Intervene upgrade process so Jetpack themes are downloaded with credentials.
109	*
110	* @since 5.3
111	*
112	* @param bool $preempt Whether to preempt an HTTP request's return value. Default false.
113	* @param array $r HTTP request arguments.
114	* @param string $url The request URL.
115	*
116	* @return array\|bool\|WP_Error
117	*/
118	function jetpack_theme_update( $preempt, $r, $url ) {
119	if ( false !== stripos( $url, JETPACK__WPCOM_JSON_API_HOST . '/rest/v1/themes/download' ) ) {
120	$file = $r['filename'];
121	if ( ! $file ) {
122	return new WP_Error( 'problem_creating_theme_file', esc_html__( 'Problem creating file for theme download', 'jetpack' ) );
123	}
124	$theme = pathinfo( parse_url( $url, PHP_URL_PATH ), PATHINFO_FILENAME );
125
126	// Remove filter to avoid endless loop since wpcom_json_api_request_as_blog uses this too.
127	remove_filter( 'pre_http_request', 'jetpack_theme_update' );
128	$result = Jetpack_Client::wpcom_json_api_request_as_blog(
129	"themes/download/$theme.zip", '1.1', array( 'stream' => true, 'filename' => $file )
130	);
131
132	if ( 200 !== wp_remote_retrieve_response_code( $result ) ) {
133	return new WP_Error( 'problem_fetching_theme', esc_html__( 'Problem downloading theme', 'jetpack' ) );
134	}
135	return $result;
136	}
137	return $preempt;
138	}
139
140	/**
141	* Add the filter when a upgrade is going to be downloaded.
142	*
143	* @since 5.3
144	*
145	* @param bool $reply Whether to bail without returning the package. Default false.
146	*
147	* @return bool
148	*/
149	function jetpack_upgrader_pre_download( $reply ) {
150	add_filter( 'pre_http_request', 'jetpack_theme_update', 10, 3 );
151	return $reply;
152	}
153
154	add_filter( 'upgrader_pre_download', 'jetpack_upgrader_pre_download' );
155
156
157	/**
158	* Wraps data in a way so that we can distinguish between objects and array and also prevent object recursion.
159	*
160	* @since 6.1.0
161	*
162	* @param $any
163	* @param array $seen_nodes
164	*
165	* @return array
166	*/
167	function jetpack_json_wrap( &$any, $seen_nodes = array() ) {
168	if ( is_object( $any ) ) {
169	$input = get_object_vars( $any );
170	$input['__o'] = 1;
171	} else {
172	$input = &$any;
173	}
174
175	if ( is_array( $input ) ) {
176	$seen_nodes[] = &$any;
177
178	$return = array();
179
180	foreach ( $input as $k => &$v ) {
181	if ( ( is_array( $v ) \|\| is_object( $v ) ) ) {
182	if ( in_array( $v, $seen_nodes, true ) ) {
183	continue;
184	}
185	$return[ $k ] = jetpack_json_wrap( $v, $seen_nodes );
186	} else {
187	$return[ $k ] = $v;
188	}
189	}
190
191	return $return;
192	}
193
194	return $any;
195	}
196