jetpack / jetpack_vendor / automattic / jetpack-sync / src / class-functions.php

class-functions.php in Jetpack – WP Security, Backup, Speed, & Growth 16.2, at jetpack_vendor/automattic/jetpack-sync/src/class-functions.php

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1	<?php
2	/**
3	* Utility functions to generate data synced to wpcom
4	*
5	* @package automattic/jetpack-sync
6	*/
7
8	namespace Automattic\Jetpack\Sync;
9
10	use Automattic\Jetpack\Connection\Manager;
11	use Automattic\Jetpack\Connection\Urls;
12	use Automattic\Jetpack\Constants;
13	use Automattic\Jetpack\Modules as Jetpack_Modules;
14
15	/**
16	* Utility functions to generate data synced to wpcom
17	*/
18	class Functions {
19	const HTTPS_CHECK_OPTION_PREFIX = 'jetpack_sync_https_history_';
20	const HTTPS_CHECK_HISTORY = 5;
21
22	/**
23	* Return array of Jetpack modules.
24	*
25	* @return array
26	*/
27	public static function get_modules() {
28	if ( defined( 'JETPACK__PLUGIN_DIR' ) ) {
29	require_once JETPACK__PLUGIN_DIR . 'class.jetpack-admin.php';
30
31	return \Jetpack_Admin::init()->get_modules();
32	}
33
34	return array();
35	}
36
37	/**
38	* Return array of taxonomies registered on the site.
39	*
40	* @return array
41	*/
42	public static function get_taxonomies() {
43	global $wp_taxonomies;
44	$wp_taxonomies_without_callbacks = array();
45	foreach ( $wp_taxonomies as $taxonomy_name => $taxonomy ) {
46	$sanitized_taxonomy = self::sanitize_taxonomy( $taxonomy );
47	if ( ! empty( $sanitized_taxonomy ) ) {
48	$wp_taxonomies_without_callbacks[ $taxonomy_name ] = $sanitized_taxonomy;
49	}
50	}
51	return $wp_taxonomies_without_callbacks;
52	}
53
54	/**
55	* Return array of registered shortcodes.
56	*
57	* @return array
58	*/
59	public static function get_shortcodes() {
60	global $shortcode_tags;
61	return array_keys( $shortcode_tags );
62	}
63
64	/**
65	* Removes any callback data since we will not be able to process it on our side anyways.
66	*
67	* @param \WP_Taxonomy $taxonomy \WP_Taxonomy item.
68	*
69	* @return mixed\|null
70	*/
71	public static function sanitize_taxonomy( $taxonomy ) {
72
73	// Lets clone the taxonomy object instead of modifing the global one.
74	$cloned_taxonomy = json_decode( wp_json_encode( $taxonomy, JSON_UNESCAPED_SLASHES \| JSON_UNESCAPED_UNICODE ) );
75
76	// recursive taxonomies are no fun.
77	if ( $cloned_taxonomy === null ) {
78	return null;
79	}
80	// Remove any meta_box_cb if they are not the default wp ones.
81	if ( isset( $cloned_taxonomy->meta_box_cb ) &&
82	! in_array( $cloned_taxonomy->meta_box_cb, array( 'post_tags_meta_box', 'post_categories_meta_box' ), true ) ) {
83	$cloned_taxonomy->meta_box_cb = null;
84	}
85	// Remove update call back.
86	if ( isset( $cloned_taxonomy->update_count_callback ) &&
87	$cloned_taxonomy->update_count_callback !== null ) {
88	$cloned_taxonomy->update_count_callback = null;
89	}
90	// Remove rest_controller_class if it something other then the default.
91	if ( isset( $cloned_taxonomy->rest_controller_class ) &&
92	'WP_REST_Terms_Controller' !== $cloned_taxonomy->rest_controller_class ) {
93	$cloned_taxonomy->rest_controller_class = null;
94	}
95	return $cloned_taxonomy;
96	}
97
98	/**
99	* Return array of registered post types.
100	*
101	* @return array
102	*/
103	public static function get_post_types() {
104	global $wp_post_types;
105
106	$post_types_without_callbacks = array();
107	foreach ( $wp_post_types as $post_type_name => $post_type ) {
108	$sanitized_post_type = self::sanitize_post_type( $post_type );
109	if ( ! empty( $sanitized_post_type ) ) {
110	$post_types_without_callbacks[ $post_type_name ] = $sanitized_post_type;
111	}
112	}
113	return $post_types_without_callbacks;
114	}
115
116	/**
117	* Sanitizes by cloning post type object.
118	*
119	* @param object $post_type \WP_Post_Type.
120	*
121	* @return object
122	*/
123	public static function sanitize_post_type( $post_type ) {
124	// Lets clone the post type object instead of modifing the global one.
125	$sanitized_post_type = array();
126	foreach ( Defaults::$default_post_type_attributes as $attribute_key => $default_value ) {
127	if ( isset( $post_type->{ $attribute_key } ) ) {
128	$sanitized_post_type[ $attribute_key ] = $post_type->{ $attribute_key };
129	}
130	}
131	return (object) $sanitized_post_type;
132	}
133
134	/**
135	* Return information about a synced post type.
136	*
137	* @param array $sanitized_post_type Array of args used in constructing \WP_Post_Type.
138	* @param string $post_type Post type name.
139	*
140	* @return object \WP_Post_Type
141	*/
142	public static function expand_synced_post_type( $sanitized_post_type, $post_type ) {
143	$post_type = sanitize_key( $post_type );
144	$post_type_object = new \WP_Post_Type( $post_type, $sanitized_post_type );
145	$post_type_object->add_supports();
146	$post_type_object->add_rewrite_rules();
147	$post_type_object->add_hooks();
148	$post_type_object->register_taxonomies();
149	return $post_type_object;
150	}
151
152	/**
153	* Returns site's post_type_features.
154	*
155	* @return array
156	*/
157	public static function get_post_type_features() {
158	global $_wp_post_type_features;
159
160	return $_wp_post_type_features;
161	}
162
163	/**
164	* Return hosting provider.
165	*
166	* Uses a set of known constants, classes, or functions to help determine the hosting platform.
167	*
168	* @return string Hosting provider.
169	*/
170	public static function get_hosting_provider() {
171	$hosting_provider_detection_methods = array(
172	'get_hosting_provider_by_known_constant',
173	'get_hosting_provider_by_known_class',
174	'get_hosting_provider_by_known_function',
175	);
176
177	$functions = new Functions();
178	foreach ( $hosting_provider_detection_methods as $method ) {
179	$hosting_provider = call_user_func( array( $functions, $method ) );
180	if ( false !== $hosting_provider ) {
181	return $hosting_provider;
182	}
183	}
184
185	return 'unknown';
186	}
187
188	/**
189	* Return a hosting provider using a set of known constants.
190	*
191	* @return mixed A host identifier string or false.
192	*/
193	public function get_hosting_provider_by_known_constant() {
194	$hosting_provider_constants = array(
195	'GD_SYSTEM_PLUGIN_DIR' => 'gd-managed-wp',
196	'MM_BASE_DIR' => 'bh',
197	'PAGELYBIN' => 'pagely',
198	'KINSTAMU_VERSION' => 'kinsta',
199	'FLYWHEEL_CONFIG_DIR' => 'flywheel',
200	'IS_PRESSABLE' => 'pressable',
201	'VIP_GO_ENV' => 'vip-go',
202	);
203
204	foreach ( $hosting_provider_constants as $constant => $constant_value ) {
205	if ( Constants::is_defined( $constant ) ) {
206	if ( 'VIP_GO_ENV' === $constant && false === Constants::get_constant( 'VIP_GO_ENV' ) ) {
207	continue;
208	}
209	return $constant_value;
210	}
211	}
212
213	return false;
214	}
215
216	/**
217	* Return a hosting provider using a set of known classes.
218	*
219	* @return mixed A host identifier string or false.
220	*/
221	public function get_hosting_provider_by_known_class() {
222	$hosting_provider = false;
223
224	switch ( true ) {
225	case ( class_exists( '\\WPaaS\\Plugin' ) ):
226	$hosting_provider = 'gd-managed-wp';
227	break;
228	}
229
230	return $hosting_provider;
231	}
232
233	/**
234	* Return a hosting provider using a set of known functions.
235	*
236	* @return mixed A host identifier string or false.
237	*/
238	public function get_hosting_provider_by_known_function() {
239	$hosting_provider = false;
240
241	switch ( true ) {
242	case ( function_exists( 'is_wpe' ) \|\| function_exists( 'is_wpe_snapshot' ) ):
243	$hosting_provider = 'wpe';
244	break;
245	}
246
247	return $hosting_provider;
248	}
249
250	/**
251	* Return array of allowed REST API post types.
252	*
253	* @return array Array of allowed post types.
254	*/
255	public static function rest_api_allowed_post_types() {
256	/** This filter is already documented in class.json-api-endpoints.php */
257	return apply_filters( 'rest_api_allowed_post_types', array( 'post', 'page', 'revision' ) );
258	}
259
260	/**
261	* Return array of allowed REST API public metadata.
262	*
263	* @return array Array of allowed metadata.
264	*/
265	public static function rest_api_allowed_public_metadata() {
266	/**
267	* Filters the meta keys accessible by the REST API.
268	*
269	* @see https://developer.wordpress.com/2013/04/26/custom-post-type-and-metadata-support-in-the-rest-api/
270	*
271	* @module json-api
272	*
273	* @since 1.6.3
274	* @since-jetpack 2.2.3
275	*
276	* @param array $whitelisted_meta Array of metadata that is accessible by the REST API.
277	*/
278	return apply_filters( 'rest_api_allowed_public_metadata', array() );
279	}
280
281	/**
282	* Finds out if a site is using a version control system.
283	*
284	* @return bool
285	**/
286	public static function is_version_controlled() {
287
288	if ( ! class_exists( 'WP_Automatic_Updater' ) ) {
289	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
290	}
291	$updater = new \WP_Automatic_Updater();
292
293	return (bool) (string) $updater->is_vcs_checkout( ABSPATH );
294	}
295
296	/**
297	* Returns true if the site has file write access false otherwise.
298	*
299	* @return bool
300	**/
301	public static function file_system_write_access() {
302	if ( ! function_exists( 'get_filesystem_method' ) ) {
303	require_once ABSPATH . 'wp-admin/includes/file.php';
304	}
305
306	require_once ABSPATH . 'wp-admin/includes/template.php';
307
308	$filesystem_method = get_filesystem_method();
309	if ( 'direct' === $filesystem_method ) {
310	return true;
311	}
312
313	ob_start();
314
315	if ( ! function_exists( 'request_filesystem_credentials' ) ) {
316	require_once ABSPATH . 'wp-admin/includes/file.php';
317	}
318
319	$filesystem_credentials_are_stored = request_filesystem_credentials( self_admin_url() );
320	ob_end_clean();
321	if ( $filesystem_credentials_are_stored ) {
322	return true;
323	}
324
325	return false;
326	}
327
328	/**
329	* Helper function that is used when getting home or siteurl values. Decides
330	* whether to get the raw or filtered value.
331	*
332	* @deprecated 1.23.1
333	*
334	* @param string $url_type URL to get, home or siteurl.
335	* @return string
336	*/
337	public static function get_raw_or_filtered_url( $url_type ) {
338	_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::get_raw_or_filtered_url' );
339	return Urls::get_raw_or_filtered_url( $url_type );
340	}
341
342	/**
343	* Return the escaped home_url.
344	*
345	* @deprecated 1.23.1
346	*
347	* @return string
348	*/
349	public static function home_url() {
350	_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::home_url' );
351	return Urls::home_url();
352	}
353
354	/**
355	* Return the escaped siteurl.
356	*
357	* @deprecated 1.23.1
358	*
359	* @return string
360	*/
361	public static function site_url() {
362	_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::site_url' );
363	return Urls::site_url();
364	}
365
366	/**
367	* Return main site URL with a normalized protocol.
368	*
369	* @deprecated 1.23.1
370	*
371	* @return string
372	*/
373	public static function main_network_site_url() {
374	_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::main_network_site_url' );
375	return Urls::main_network_site_url();
376	}
377
378	/**
379	* Return main site WordPress.com site ID.
380	*
381	* @return string
382	*/
383	public static function main_network_site_wpcom_id() {
384	/**
385	* Return the current site WPCOM ID for single site installs
386	*/
387	if ( ! is_multisite() ) {
388	return \Jetpack_Options::get_option( 'id' );
389	}
390
391	/**
392	* Return the main network site WPCOM ID for multi-site installs
393	*/
394	$current_network = get_network();
395	switch_to_blog( (int) $current_network->blog_id );
396	$wpcom_blog_id = \Jetpack_Options::get_option( 'id' );
397	restore_current_blog();
398	return $wpcom_blog_id;
399	}
400
401	/**
402	* Return URL with a normalized protocol.
403	*
404	* @deprecated 1.23.1
405	*
406	* @param string $callable Function name that was used to retrieve URL option.
407	* @param string $new_value URL Protocol to set URLs to.
408	* @return string Normalized URL.
409	*/
410	public static function get_protocol_normalized_url( $callable, $new_value ) {
411	_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::get_protocol_normalized_url' );
412	return Urls::get_protocol_normalized_url( $callable, $new_value );
413	}
414
415	/**
416	* Return URL from option or PHP constant.
417	*
418	* @deprecated 1.23.1
419	*
420	* @param string $option_name (e.g. 'home').
421	*
422	* @return mixed\|null URL.
423	*/
424	public static function get_raw_url( $option_name ) {
425	_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::get_raw_url' );
426	return Urls::get_raw_url( $option_name );
427	}
428
429	/**
430	* Normalize domains by removing www unless declared in the site's option.
431	*
432	* @deprecated 1.23.1
433	*
434	* @param string $option Option value from the site.
435	* @param callable $url_function Function retrieving the URL to normalize.
436	* @return mixed\|string URL.
437	*/
438	public static function normalize_www_in_url( $option, $url_function ) {
439	_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::normalize_www_in_url' );
440	return Urls::normalize_www_in_url( $option, $url_function );
441	}
442
443	/**
444	* Return filtered value of get_plugins.
445	*
446	* @return mixed\|void
447	*/
448	public static function get_plugins() {
449	if ( ! function_exists( 'get_plugins' ) ) {
450	require_once ABSPATH . 'wp-admin/includes/plugin.php';
451	}
452
453	/** This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */
454	return apply_filters( 'all_plugins', get_plugins() );
455	}
456
457	/**
458	* Get custom action link tags that the plugin is using
459	* Ref: https://codex.wordpress.org/Plugin_API/Filter_Reference/plugin_action_links_(plugin_file_name)
460	*
461	* @param string $plugin_file_singular Particular plugin.
462	* @return array of plugin action links (key: link name value: url)
463	*/
464	public static function get_plugins_action_links( $plugin_file_singular = null ) {
465	// Some sites may have DOM disabled in PHP fail early.
466	if ( ! class_exists( 'DOMDocument' ) ) {
467	return array();
468	}
469	$plugins_action_links = get_option( 'jetpack_plugin_api_action_links', array() );
470	if ( ! empty( $plugins_action_links ) ) {
471	if ( $plugin_file_singular === null ) {
472	return $plugins_action_links;
473	}
474	return ( $plugins_action_links[ $plugin_file_singular ] ?? null );
475	}
476	return array();
477	}
478
479	/**
480	* Return the WP version as defined in the $wp_version global.
481	*
482	* @return string
483	*/
484	public static function wp_version() {
485	global $wp_version;
486	return $wp_version;
487	}
488
489	/**
490	* Return site icon url used on the site.
491	*
492	* @param int $size Size of requested icon in pixels.
493	* @return mixed\|string\|void
494	*/
495	public static function site_icon_url( $size = 512 ) {
496	$site_icon = get_site_icon_url( $size );
497	return $site_icon ? $site_icon : get_option( 'jetpack_site_icon_url' );
498	}
499
500	/**
501	* Return roles registered on the site.
502	*
503	* @return array
504	*/
505	public static function roles() {
506	$wp_roles = wp_roles();
507	return $wp_roles->roles;
508	}
509
510	/**
511	* Determine time zone from WordPress' options "timezone_string"
512	* and "gmt_offset".
513	*
514	* 1. Check if `timezone_string` is set and return it.
515	* 2. Check if `gmt_offset` is set, formats UTC-offset from it and return it.
516	* 3. Default to "UTC+0" if nothing is set.
517	*
518	* Note: This function is specifically not using wp_timezone() to keep consistency with
519	* the existing formatting of the timezone string.
520	*
521	* @return string
522	*/
523	public static function get_timezone() {
524	$timezone_string = get_option( 'timezone_string' );
525
526	if ( ! empty( $timezone_string ) ) {
527	return str_replace( '_', ' ', $timezone_string );
528	}
529
530	$gmt_offset = get_option( 'gmt_offset', 0 );
531
532	$formatted_gmt_offset = sprintf( '%+g', (float) $gmt_offset );
533
534	$formatted_gmt_offset = str_replace(
535	array( '.25', '.5', '.75' ),
536	array( ':15', ':30', ':45' ),
537	$formatted_gmt_offset
538	);
539
540	/* translators: %s is UTC offset, e.g. "+1" */
541	return sprintf( __( 'UTC%s', 'jetpack-sync' ), $formatted_gmt_offset );
542	}
543
544	/**
545	* Return list of paused themes.
546	*
547	* @return array\|bool Array of paused themes or false if unsupported.
548	*/
549	public static function get_paused_themes() {
550	$paused_themes = wp_paused_themes();
551	return $paused_themes->get_all();
552	}
553
554	/**
555	* Return list of paused plugins.
556	*
557	* @return array\|bool Array of paused plugins or false if unsupported.
558	*/
559	public static function get_paused_plugins() {
560	$paused_plugins = wp_paused_plugins();
561	return $paused_plugins->get_all();
562	}
563
564	/**
565	* Return the theme's supported features.
566	* Used for syncing the supported feature that we care about.
567	*
568	* @return array List of features that the theme supports.
569	*/
570	public static function get_theme_support() {
571	global $_wp_theme_features;
572
573	$theme_support = array();
574	foreach ( Defaults::$default_theme_support_whitelist as $theme_feature ) {
575	$has_support = current_theme_supports( $theme_feature );
576	if ( $has_support ) {
577	$theme_support[ $theme_feature ] = $_wp_theme_features[ $theme_feature ];
578	}
579	}
580
581	return $theme_support;
582	}
583
584	/**
585	* Returns if the current theme is a Full Site Editing theme.
586	*
587	* @since 1.49.0 Uses wp_is_block_theme() instead of deprecated gutenberg_is_fse_theme().
588	*
589	* @return bool Theme is a Full Site Editing theme.
590	*/
591	public static function get_is_fse_theme() {
592	return wp_is_block_theme();
593	}
594
595	/**
596	* Wraps data in a way so that we can distinguish between objects and array and also prevent object recursion.
597	*
598	* @since 1.21.0
599	*
600	* @param mixed $any Source data to be cleaned up.
601	* @param array $seen_nodes Built array of nodes.
602	*
603	* @return array
604	*/
605	public static function json_wrap( &$any, $seen_nodes = array() ) {
606	if ( is_object( $any ) ) {
607	$input = get_object_vars( $any );
608
609	// WordPress 6.9 introduced lazy-loading of WP_User `roles`, `caps`, and `allcaps` properties.
610	// It also made said properties protected, so we need to access them and set them as keys manually.
611	if ( $any instanceof \WP_User ) {
612	$roles = $any->roles;
613	$caps = $any->caps;
614	$allcaps = $any->allcaps;
615	$input['roles'] = $roles;
616	$input['caps'] = $caps;
617	$input['allcaps'] = $allcaps;
618	}
619
620	$input['__o'] = 1;
621	} else {
622	$input = &$any;
623	}
624
625	if ( is_array( $input ) ) {
626	$seen_nodes[] = &$any;
627
628	$return = array();
629
630	foreach ( $input as $k => &$v ) {
631	if ( ( is_array( $v ) \|\| is_object( $v ) ) ) {
632	if ( in_array( $v, $seen_nodes, true ) ) {
633	continue;
634	}
635	$return[ $k ] = self::json_wrap( $v, $seen_nodes );
636	} else {
637	$return[ $k ] = $v;
638	}
639	}
640
641	return $return;
642	}
643
644	return $any;
645	}
646
647	/**
648	* Return the list of installed themes
649	*
650	* @since 1.31.0
651	*
652	* @return array
653	*/
654	public static function get_themes() {
655	$current_stylesheet = get_stylesheet();
656	$installed_themes = wp_get_themes();
657	$synced_headers = array( 'Name', 'ThemeURI', 'Author', 'Version', 'Template', 'Status', 'TextDomain', 'RequiresWP', 'RequiresPHP' );
658	$themes = array();
659	foreach ( $installed_themes as $stylesheet => $theme ) {
660	$themes[ $stylesheet ] = array();
661	foreach ( $synced_headers as $header ) {
662	$themes[ $stylesheet ][ $header ] = $theme->get( $header );
663	}
664	$themes[ $stylesheet ]['active'] = $stylesheet === $current_stylesheet;
665	if ( method_exists( $theme, 'is_block_theme' ) ) {
666	$themes[ $stylesheet ]['is_block_theme'] = $theme->is_block_theme();
667	}
668	}
669	/**
670	* Filters the output of Sync's get_theme callable
671	*
672	* @since 1.31.0
673	*
674	* @param array $themes The list of installed themes formatted in an array with a collection of information extracted from the Theme's headers
675	*/
676	return apply_filters( 'jetpack_sync_get_themes_callable', $themes );
677	}
678
679	/**
680	* Return the list of active Jetpack modules.
681	*
682	* @since 1.34.0
683	*
684	* @return array
685	*/
686	public static function get_active_modules() {
687	return ( new Jetpack_Modules() )->get_active();
688	}
689
690	/**
691	* Return a list of PHP modules that we want to track.
692	*
693	* @since 1.50.0
694	*
695	* @return array
696	*/
697	public static function get_loaded_extensions() {
698	if ( function_exists( 'get_loaded_extensions' ) ) {
699	return get_loaded_extensions();
700	}
701
702	// If a hosting provider has blocked get_loaded_extensions for any reason,
703	// we check extensions manually.
704
705	$extensions_to_check = array(
706	'libxml' => array( 'class' => 'libXMLError' ),
707	'xml' => array( 'function' => 'xml_parse' ),
708	'dom' => array( 'class' => 'DOMDocument' ),
709	'xdebug' => array( 'function' => 'xdebug_break' ),
710	);
711
712	$enabled_extensions = array();
713	foreach ( $extensions_to_check as $extension_name => $extension ) {
714	if (
715	( isset( $extension['function'] )
716	&& function_exists( $extension['function'] ) )
717	\|\| class_exists( $extension['class'] )
718	) {
719	$enabled_extensions[] = $extension_name;
720	}
721	}
722
723	return $enabled_extensions;
724	}
725
726	/**
727	* Return the list of active connected Jetpack plugins.
728	*
729	* @since 3.2.0
730	*
731	* @return array
732	*/
733	public static function get_jetpack_connection_active_plugins() {
734	return ( new Manager() )->get_connected_plugins();
735	}
736
737	/**
738	* Return the list of active sync modules.
739	*
740	* @since 3.6.0
741	*
742	* @return array
743	*/
744	public static function get_jetpack_sync_active_modules() {
745
746	/** This filter is documented in projects/packages/sync/src/class-modules.php */
747	$modules = apply_filters( 'jetpack_sync_modules', Modules::DEFAULT_SYNC_MODULES );
748	$modules = array_unique( $modules );
749	$modules = array_map( 'wp_normalize_path', $modules );
750	return $modules;
751	}
752
753	/**
754	* Return the list of Jetpack package versions.
755	*
756	* @since 4.11.1
757	*
758	* @return array
759	*/
760	public static function get_jetpack_package_versions() {
761	return apply_filters( 'jetpack_package_versions', array() );
762	}
763	}
764