functions.global.php — Jetpack – WP Security, Backup, Speed, & Growth 9.5.2

jetpack / functions.global.php

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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	*
10	* @package automattic/jetpack
11	*/
12
13	use Automattic\Jetpack\Connection\Client;
14	use Automattic\Jetpack\Device_Detection;
15	use Automattic\Jetpack\Redirect;
16	use Automattic\Jetpack\Sync\Functions;
17
18	/**
19	* Disable direct access.
20	*/
21	if ( ! defined( 'ABSPATH' ) ) {
22	exit;
23	}
24
25	/**
26	* Hook into Core's _deprecated_function
27	* Add more details about when a deprecated function will be removed.
28	*
29	* @since 8.8.0
30	*
31	* @param string $function The function that was called.
32	* @param string $replacement Optional. The function that should have been called. Default null.
33	* @param string $version The version of Jetpack that deprecated the function.
34	*/
35	function jetpack_deprecated_function( $function, $replacement, $version ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
36	// Bail early for non-Jetpack deprecations.
37	if ( 0 !== strpos( $version, 'jetpack-' ) ) {
38	return;
39	}
40
41	// Look for when a function will be removed based on when it was deprecated.
42	$removed_version = jetpack_get_future_removed_version( $version );
43
44	// If we could find a version, let's log a message about when removal will happen.
45	if (
46	! empty( $removed_version )
47	&& ( defined( 'WP_DEBUG' ) && WP_DEBUG )
48	/** This filter is documented in core/src/wp-includes/functions.php */
49	&& apply_filters( 'deprecated_function_trigger_error', true )
50	) {
51	error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
52	sprintf(
53	/* Translators: 1. Function name. 2. Jetpack version number. */
54	__( 'The %1$s function will be removed from the Jetpack plugin in version %2$s.', 'jetpack' ),
55	$function,
56	$removed_version
57	)
58	);
59
60	}
61	}
62	add_action( 'deprecated_function_run', 'jetpack_deprecated_function', 10, 3 );
63
64	/**
65	* Hook into Core's _deprecated_file
66	* Add more details about when a deprecated file will be removed.
67	*
68	* @since 8.8.0
69	*
70	* @param string $file The file that was called.
71	* @param string $replacement The file that should have been included based on ABSPATH.
72	* @param string $version The version of WordPress that deprecated the file.
73	* @param string $message A message regarding the change.
74	*/
75	function jetpack_deprecated_file( $file, $replacement, $version, $message ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
76	// Bail early for non-Jetpack deprecations.
77	if ( 0 !== strpos( $version, 'jetpack-' ) ) {
78	return;
79	}
80
81	// Look for when a file will be removed based on when it was deprecated.
82	$removed_version = jetpack_get_future_removed_version( $version );
83
84	// If we could find a version, let's log a message about when removal will happen.
85	if (
86	! empty( $removed_version )
87	&& ( defined( 'WP_DEBUG' ) && WP_DEBUG )
88	/** This filter is documented in core/src/wp-includes/functions.php */
89	&& apply_filters( 'deprecated_file_trigger_error', true )
90	) {
91	error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
92	sprintf(
93	/* Translators: 1. File name. 2. Jetpack version number. */
94	__( 'The %1$s file will be removed from the Jetpack plugin in version %2$s.', 'jetpack' ),
95	$file,
96	$removed_version
97	)
98	);
99
100	}
101	}
102	add_action( 'deprecated_file_included', 'jetpack_deprecated_file', 10, 4 );
103
104	/**
105	* Get the major version number of Jetpack 6 months after provided version.
106	* Useful to indicate when a deprecated function will be removed from Jetpack.
107	*
108	* @since 8.8.0
109	*
110	* @param string $version The version of WordPress that deprecated the function.
111	*
112	* @return bool\|float Return a Jetpack Major version number, or false.
113	*/
114	function jetpack_get_future_removed_version( $version ) {
115	/*
116	* Extract the version number from a deprecation notice.
117	* (let's only keep the first decimal, e.g. 8.8 and not 8.8.0)
118	*/
119	preg_match( '#(([0-9]+\.([0-9]+))(?:\.[0-9]+)*)#', $version, $matches );
120
121	if ( isset( $matches[2], $matches[3] ) ) {
122	$deprecated_version = (float) $matches[2];
123	$deprecated_minor = (float) $matches[3];
124
125	/*
126	* If the detected minor version number
127	* (e.g. "7" in "8.7")
128	* is higher than 9, we know the version number is malformed.
129	* Jetpack does not use semver yet.
130	* Bail.
131	*/
132	if ( 10 <= $deprecated_minor ) {
133	return false;
134	}
135
136	// We'll remove the function from the code 6 months later, thus 6 major versions later.
137	$removed_version = $deprecated_version + 0.6;
138
139	return (float) $removed_version;
140	}
141
142	return false;
143	}
144
145	/**
146	* Set the admin language, based on user language.
147	*
148	* @since 4.5.0
149	* @deprecated 6.6.0 Use Core function instead.
150	*
151	* @return string
152	*/
153	function jetpack_get_user_locale() {
154	_deprecated_function( __FUNCTION__, 'jetpack-6.6.0', 'get_user_locale' );
155	return get_user_locale();
156	}
157
158	/**
159	* Determine if this site is an Atomic site or not looking first at the 'at_options' option.
160	* As a fallback, check for presence of wpcomsh plugin to determine if a current site has undergone AT.
161	*
162	* @since 4.8.1
163	*
164	* @return bool
165	*/
166	function jetpack_is_atomic_site() {
167	$at_options = get_option( 'at_options', array() );
168	return ! empty( $at_options ) \|\| defined( 'WPCOMSH__PLUGIN_FILE' );
169	}
170
171	/**
172	* Register post type for migration.
173	*
174	* @since 5.2
175	*/
176	function jetpack_register_migration_post_type() {
177	register_post_type(
178	'jetpack_migration',
179	array(
180	'supports' => array(),
181	'taxonomies' => array(),
182	'hierarchical' => false,
183	'public' => false,
184	'has_archive' => false,
185	'can_export' => true,
186	)
187	);
188	}
189
190	/**
191	* Stores migration data in the database.
192	*
193	* @since 5.2
194	*
195	* @param string $option_name Option name.
196	* @param bool $option_value Option value.
197	*
198	* @return int\|WP_Error
199	*/
200	function jetpack_store_migration_data( $option_name, $option_value ) {
201	jetpack_register_migration_post_type();
202
203	$insert = array(
204	'post_title' => $option_name,
205	'post_content_filtered' => $option_value,
206	'post_type' => 'jetpack_migration',
207	'post_date' => gmdate( 'Y-m-d H:i:s', time() ),
208	);
209
210	$post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
211
212	if ( null !== $post ) {
213	$insert['ID'] = $post->ID;
214	}
215
216	return wp_insert_post( $insert, true );
217	}
218
219	/**
220	* Retrieves legacy image widget data.
221	*
222	* @since 5.2
223	*
224	* @param string $option_name Option name.
225	*
226	* @return mixed\|null
227	*/
228	function jetpack_get_migration_data( $option_name ) {
229	$post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
230
231	return null !== $post ? maybe_unserialize( $post->post_content_filtered ) : null;
232	}
233
234	/**
235	* Prints a TOS blurb used throughout the connection prompts.
236	*
237	* @since 5.3
238	*
239	* @echo string
240	*/
241	function jetpack_render_tos_blurb() {
242	printf(
243	wp_kses(
244	/* Translators: placeholders are links. */
245	__( 'By clicking the <strong>Set up Jetpack</strong> button, you agree to our <a href="%1$s" target="_blank" rel="noopener noreferrer">Terms of Service</a> and to <a href="%2$s" target="_blank" rel="noopener noreferrer">share details</a> with WordPress.com.', 'jetpack' ),
246	array(
247	'a' => array(
248	'href' => array(),
249	'target' => array(),
250	'rel' => array(),
251	),
252	'strong' => true,
253	)
254	),
255	esc_url( Redirect::get_url( 'wpcom-tos' ) ),
256	esc_url( Redirect::get_url( 'jetpack-support-what-data-does-jetpack-sync' ) )
257	);
258	}
259
260	/**
261	* Intervene upgrade process so Jetpack themes are downloaded with credentials.
262	*
263	* @since 5.3
264	*
265	* @param bool $preempt Whether to preempt an HTTP request's return value. Default false.
266	* @param array $r HTTP request arguments.
267	* @param string $url The request URL.
268	*
269	* @return array\|bool\|WP_Error
270	*/
271	function jetpack_theme_update( $preempt, $r, $url ) {
272	if ( 0 === stripos( $url, JETPACK__WPCOM_JSON_API_BASE . '/rest/v1/themes/download' ) ) {
273	$file = $r['filename'];
274	if ( ! $file ) {
275	return new WP_Error( 'problem_creating_theme_file', esc_html__( 'Problem creating file for theme download', 'jetpack' ) );
276	}
277	$theme = pathinfo( wp_parse_url( $url, PHP_URL_PATH ), PATHINFO_FILENAME );
278
279	// Remove filter to avoid endless loop since wpcom_json_api_request_as_blog uses this too.
280	remove_filter( 'pre_http_request', 'jetpack_theme_update' );
281	$result = Client::wpcom_json_api_request_as_blog(
282	"themes/download/$theme.zip",
283	'1.1',
284	array(
285	'stream' => true,
286	'filename' => $file,
287	)
288	);
289
290	if ( 200 !== wp_remote_retrieve_response_code( $result ) ) {
291	return new WP_Error( 'problem_fetching_theme', esc_html__( 'Problem downloading theme', 'jetpack' ) );
292	}
293	return $result;
294	}
295	return $preempt;
296	}
297
298	/**
299	* Add the filter when a upgrade is going to be downloaded.
300	*
301	* @since 5.3
302	*
303	* @param bool $reply Whether to bail without returning the package. Default false.
304	*
305	* @return bool
306	*/
307	function jetpack_upgrader_pre_download( $reply ) {
308	add_filter( 'pre_http_request', 'jetpack_theme_update', 10, 3 );
309	return $reply;
310	}
311
312	add_filter( 'upgrader_pre_download', 'jetpack_upgrader_pre_download' );
313
314	/**
315	* Wraps data in a way so that we can distinguish between objects and array and also prevent object recursion.
316	*
317	* @since 6.1.0
318
319	* @deprecated Automattic\Jetpack\Sync\Functions::json_wrap
320	*
321	* @param array\|obj $any Source data to be cleaned up.
322	* @param array $seen_nodes Built array of nodes.
323	*
324	* @return array
325	*/
326	function jetpack_json_wrap( &$any, $seen_nodes = array() ) {
327	_deprecated_function( __METHOD__, 'jetpack-9.5', 'Automattic\Jetpack\Sync\Functions' );
328
329	return Functions::json_wrap( $any, $seen_nodes );
330	}
331
332	/**
333	* Checks if the mime_content_type function is available and return it if so.
334	*
335	* The function mime_content_type is enabled by default in PHP, but can be disabled. We attempt to
336	* enforce this via composer.json, but that won't be checked in majority of cases where
337	* this would be happening.
338	*
339	* @since 7.8.0
340	*
341	* @param string $file File location.
342	*
343	* @return string\|false MIME type or false if functionality is not available.
344	*/
345	function jetpack_mime_content_type( $file ) {
346	if ( function_exists( 'mime_content_type' ) ) {
347	return mime_content_type( $file );
348	}
349
350	return false;
351	}
352
353	/**
354	* Checks that the mime type of the specified file is among those in a filterable list of mime types.
355	*
356	* @since 7.8.0
357	*
358	* @param string $file Path to file to get its mime type.
359	*
360	* @return bool
361	*/
362	function jetpack_is_file_supported_for_sideloading( $file ) {
363	$type = jetpack_mime_content_type( $file );
364
365	if ( ! $type ) {
366	return false;
367	}
368
369	/**
370	* Filter the list of supported mime types for media sideloading.
371	*
372	* @since 4.0.0
373	*
374	* @module json-api
375	*
376	* @param array $supported_mime_types Array of the supported mime types for media sideloading.
377	*/
378	$supported_mime_types = apply_filters(
379	'jetpack_supported_media_sideload_types',
380	array(
381	'image/png',
382	'image/jpeg',
383	'image/gif',
384	'image/bmp',
385	'video/quicktime',
386	'video/mp4',
387	'video/mpeg',
388	'video/ogg',
389	'video/3gpp',
390	'video/3gpp2',
391	'video/h261',
392	'video/h262',
393	'video/h264',
394	'video/x-msvideo',
395	'video/x-ms-wmv',
396	'video/x-ms-asf',
397	)
398	);
399
400	// If the type returned was not an array as expected, then we know we don't have a match.
401	if ( ! is_array( $supported_mime_types ) ) {
402	return false;
403	}
404
405	return in_array( $type, $supported_mime_types, true );
406	}
407
408	/**
409	* Determine if the current User Agent matches the passed $kind
410	*
411	* @param string $kind Category of mobile device to check for.
412	* Either: any, dumb, smart.
413	* @param bool $return_matched_agent Boolean indicating if the UA should be returned.
414	*
415	* @return bool\|string Boolean indicating if current UA matches $kind. If
416	* $return_matched_agent is true, returns the UA string
417	*/
418	function jetpack_is_mobile( $kind = 'any', $return_matched_agent = false ) {
419
420	/**
421	* Filter the value of jetpack_is_mobile before it is calculated.
422	*
423	* Passing a truthy value to the filter will short-circuit determining the
424	* mobile type, returning the passed value instead.
425	*
426	* @since 4.2.0
427	*
428	* @param bool\|string $matches Boolean if current UA matches $kind or not. If
429	* $return_matched_agent is true, should return the UA string
430	* @param string $kind Category of mobile device being checked
431	* @param bool $return_matched_agent Boolean indicating if the UA should be returned
432	*/
433	$pre = apply_filters( 'pre_jetpack_is_mobile', null, $kind, $return_matched_agent );
434	if ( $pre ) {
435	return $pre;
436	}
437
438	$return = false;
439	$device_info = Device_Detection::get_info();
440
441	if ( 'any' === $kind ) {
442	$return = $device_info['is_phone'];
443	} elseif ( 'smart' === $kind ) {
444	$return = $device_info['is_smartphone'];
445	} elseif ( 'dumb' === $kind ) {
446	$return = $device_info['is_phone'] && ! $device_info['is_smartphone'];
447	}
448
449	if ( $return_matched_agent && true === $return ) {
450	$return = $device_info['is_phone_matched_ua'];
451	}
452
453	/**
454	* Filter the value of jetpack_is_mobile
455	*
456	* @since 4.2.0
457	*
458	* @param bool\|string $matches Boolean if current UA matches $kind or not. If
459	* $return_matched_agent is true, should return the UA string
460	* @param string $kind Category of mobile device being checked
461	* @param bool $return_matched_agent Boolean indicating if the UA should be returned
462	*/
463	return apply_filters( 'jetpack_is_mobile', $return, $kind, $return_matched_agent );
464	}
465
466	/**
467	* Determine whether the current request is for accessing the frontend.
468	*
469	* @return bool True if it's a frontend request, false otherwise.
470	*/
471	function jetpack_is_frontend() {
472	$is_frontend = true;
473
474	if (
475	is_admin() \|\|
476	wp_doing_ajax() \|\|
477	wp_doing_cron() \|\|
478	wp_is_json_request() \|\|
479	wp_is_jsonp_request() \|\|
480	wp_is_xml_request() \|\|
481	is_feed() \|\|
482	( defined( 'REST_REQUEST' ) && REST_REQUEST ) \|\|
483	( defined( 'REST_API_REQUEST' ) && REST_API_REQUEST ) \|\|
484	( defined( 'WP_CLI' ) && WP_CLI )
485	) {
486	$is_frontend = false;
487	}
488
489	/**
490	* Filter whether the current request is for accessing the frontend.
491	*
492	* @since 9.0.0
493	*
494	* @param bool $is_frontend Whether the current request is for accessing the frontend.
495	*/
496	return (bool) apply_filters( 'jetpack_is_frontend', $is_frontend );
497	}
498