jetpack / jetpack_vendor / automattic / jetpack-sync / src / modules / class-posts.php

class-posts.php in Jetpack – WP Security, Backup, Speed, & Growth 16.3-a.7, at jetpack_vendor/automattic/jetpack-sync/src/modules/class-posts.php

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1	<?php
2	/**
3	* Posts sync module.
4	*
5	* @package automattic/jetpack-sync
6	*/
7
8	namespace Automattic\Jetpack\Sync\Modules;
9
10	use Automattic\Jetpack\Constants as Jetpack_Constants;
11	use Automattic\Jetpack\Roles;
12	use Automattic\Jetpack\Sync\Activity_Log_Event;
13	use Automattic\Jetpack\Sync\Modules;
14	use Automattic\Jetpack\Sync\Settings;
15
16	if ( ! defined( 'ABSPATH' ) ) {
17	exit( 0 );
18	}
19
20	/**
21	* Class to handle sync for posts.
22	*/
23	class Posts extends Module {
24	/**
25	* The post IDs of posts that were just published but not synced yet.
26	*
27	* @access private
28	*
29	* @var array
30	*/
31	private $just_published = array();
32
33	/**
34	* The previous status of posts that we use for calculating post status transitions.
35	*
36	* @access private
37	*
38	* @var array
39	*/
40	private $previous_status = array();
41
42	/**
43	* Action handler callable.
44	*
45	* @access private
46	*
47	* @var callable
48	*/
49	private $action_handler;
50
51	/**
52	* Mark posts that are deleted in the current request.
53	*
54	* @access private
55	*
56	* @var array
57	*/
58	private static $deleted_posts_in_request = array();
59
60	/**
61	* Import end.
62	*
63	* @access private
64	*
65	* @todo This appears to be unused - let's remove it.
66	*
67	* @var boolean
68	*/
69	private $import_end = false;
70
71	/**
72	* Max bytes allowed for post_content => length.
73	* Current Setting : 5MB.
74	*
75	* @access public
76	*
77	* @var int
78	*/
79	const MAX_POST_CONTENT_LENGTH = 5000000;
80
81	/**
82	* Default previous post state.
83	* Used for default previous post status.
84	*
85	* @access public
86	*
87	* @var string
88	*/
89	const DEFAULT_PREVIOUS_STATE = 'new';
90
91	/**
92	* Sync module name.
93	*
94	* @access public
95	*
96	* @return string
97	*/
98	public function name() {
99	return 'posts';
100	}
101
102	/**
103	* The table name.
104	*
105	* @access public
106	*
107	* @return string
108	* @deprecated since 3.11.0 Use table() instead.
109	*/
110	public function table_name() {
111	_deprecated_function( __METHOD__, '3.11.0', 'Automattic\\Jetpack\\Sync\\Posts->table' );
112	return 'posts';
113	}
114
115	/**
116	* The table in the database with the prefix.
117	*
118	* @access public
119	*
120	* @return string\|bool
121	*/
122	public function table() {
123	global $wpdb;
124	return $wpdb->posts;
125	}
126
127	/**
128	* Retrieve a post by its ID.
129	*
130	* @access public
131	*
132	* @param string $object_type Type of the sync object.
133	* @param int $id ID of the sync object.
134	* @return \WP_Post\|bool Filtered \WP_Post object, or false if the object is not a post.
135	*/
136	public function get_object_by_id( $object_type, $id ) {
137	if ( 'post' === $object_type ) {
138	$post = get_post( (int) $id );
139	if ( $post ) {
140	return $this->filter_post_content_and_add_links( $post );
141	}
142	}
143
144	return false;
145	}
146
147	/**
148	* Initialize posts action listeners.
149	*
150	* @access public
151	*
152	* @param callable $callable Action handler callable.
153	*/
154	public function init_listeners( $callable ) {
155	$this->action_handler = $callable;
156
157	add_action( 'before_delete_post', array( $this, 'mark_post_is_being_deleted' ), 0, 1 );
158	add_action( 'wp_insert_post', array( $this, 'wp_insert_post' ), 11, 3 );
159	add_action( 'wp_after_insert_post', array( $this, 'wp_after_insert_post' ), 11, 2 );
160	add_action( 'jetpack_sync_save_post', $callable, 10, 4 );
161
162	add_action( 'deleted_post', $callable, 10 );
163	add_action( 'jetpack_published_post', $callable, 10, 3 );
164	add_filter( 'jetpack_sync_before_enqueue_deleted_post', array( $this, 'filter_blacklisted_post_types_deleted' ) );
165
166	add_action( 'transition_post_status', array( $this, 'save_published' ), 10, 3 );
167
168	// Listen for meta changes.
169	$this->init_listeners_for_meta_type( 'post', $callable );
170	add_filter( 'jetpack_sync_before_enqueue_added_post_meta', array( $this, 'filter_meta' ) );
171	add_filter( 'jetpack_sync_before_enqueue_updated_post_meta', array( $this, 'filter_updated_post_meta' ) );
172	add_filter( 'jetpack_sync_before_enqueue_deleted_post_meta', array( $this, 'filter_deleted_post_meta' ) );
173
174	add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_save_post', array( $this, 'filter_jetpack_sync_before_enqueue_jetpack_sync_save_post' ) );
175	add_filter( 'jetpack_sync_before_enqueue_jetpack_published_post', array( $this, 'filter_jetpack_sync_before_enqueue_jetpack_published_post' ) );
176
177	add_action( 'jetpack_daily_akismet_meta_cleanup_before', array( $this, 'daily_akismet_meta_cleanup_before' ) );
178	add_action( 'jetpack_daily_akismet_meta_cleanup_after', array( $this, 'daily_akismet_meta_cleanup_after' ) );
179	add_action( 'jetpack_post_meta_batch_delete', $callable, 10, 2 );
180
181	add_action( 'deleted_post', array( $this, 'unmark_post_being_deleted' ), 11, 1 );
182	}
183
184	/**
185	* Before Akismet's daily cleanup of spam detection metadata.
186	*
187	* @access public
188	*
189	* @param array $feedback_ids IDs of feedback posts.
190	*/
191	public function daily_akismet_meta_cleanup_before( $feedback_ids ) {
192	remove_action( 'deleted_post_meta', $this->action_handler );
193
194	if ( ! is_array( $feedback_ids ) \|\| count( $feedback_ids ) < 1 ) {
195	return;
196	}
197
198	$ids_chunks = array_chunk( $feedback_ids, 100, false );
199	foreach ( $ids_chunks as $chunk ) {
200	/**
201	* Used for syncing deletion of batch post meta
202	*
203	* @since 1.6.3
204	* @since-jetpack 6.1.0
205	*
206	* @module sync
207	*
208	* @param array $feedback_ids feedback post IDs
209	* @param string $meta_key to be deleted
210	*/
211	do_action( 'jetpack_post_meta_batch_delete', $chunk, '_feedback_akismet_values' );
212	}
213	}
214
215	/**
216	* After Akismet's daily cleanup of spam detection metadata.
217	*
218	* @access public
219	*
220	* @param array $feedback_ids IDs of feedback posts.
221	*/
222	public function daily_akismet_meta_cleanup_after( $feedback_ids ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
223	add_action( 'deleted_post_meta', $this->action_handler );
224	}
225
226	/**
227	* Initialize posts action listeners for full sync.
228	*
229	* @access public
230	*
231	* @param callable $callable Action handler callable.
232	*/
233	public function init_full_sync_listeners( $callable ) {
234	add_action( 'jetpack_full_sync_posts', $callable ); // Also sends post meta.
235	}
236
237	/**
238	* Initialize the module in the sender.
239	*
240	* @access public
241	*/
242	public function init_before_send() {
243	// meta.
244	add_filter( 'jetpack_sync_before_send_added_post_meta', array( $this, 'filter_added_post_meta_before_send' ), 5 ); // Incase this filter is used elsewhere, we run early.
245	add_filter( 'jetpack_sync_before_send_updated_post_meta', array( $this, 'filter_updated_post_meta_before_send' ), 5 ); // Incase this filter is used elsewhere, we run early.
246	add_filter( 'jetpack_sync_before_send_deleted_post_meta', array( $this, 'trim_post_meta' ) );
247	// Full sync.
248	$sync_module = Modules::get_module( 'full-sync' );
249	if ( $sync_module instanceof Full_Sync_Immediately ) {
250	add_filter( 'jetpack_sync_before_send_jetpack_full_sync_posts', array( $this, 'build_full_sync_action_array' ) );
251	} else {
252	add_filter( 'jetpack_sync_before_send_jetpack_full_sync_posts', array( $this, 'expand_posts_with_metadata_and_terms' ) );
253	}
254	}
255
256	/**
257	* Enqueue the posts actions for full sync.
258	*
259	* @access public
260	*
261	* @param array $config Full sync configuration for this sync module.
262	* @param int $max_items_to_enqueue Maximum number of items to enqueue.
263	* @param boolean $state True if full sync has finished enqueueing this module, false otherwise.
264	* @return array Number of actions enqueued, and next module state.
265	*/
266	public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) {
267	global $wpdb;
268
269	return $this->enqueue_all_ids_as_action( 'jetpack_full_sync_posts', $wpdb->posts, 'ID', $this->get_where_sql( $config ), $max_items_to_enqueue, $state );
270	}
271
272	/**
273	* Retrieve an estimated number of actions that will be enqueued.
274	*
275	* @access public
276	*
277	* @todo Use $wpdb->prepare for the SQL query.
278	*
279	* @param array $config Full sync configuration for this sync module.
280	* @return int Number of items yet to be enqueued.
281	*/
282	public function estimate_full_sync_actions( $config ) {
283	global $wpdb;
284
285	$query = "SELECT count(*) FROM $wpdb->posts WHERE " . $this->get_where_sql( $config );
286	// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared,WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
287	$count = (int) $wpdb->get_var( $query );
288
289	return (int) ceil( $count / self::ARRAY_CHUNK_SIZE );
290	}
291
292	/**
293	* Retrieve the WHERE SQL clause based on the module config.
294	*
295	* @access public
296	*
297	* @param array $config Full sync configuration for this sync module.
298	* @return string WHERE SQL clause, or `null` if no comments are specified in the module config.
299	*/
300	public function get_where_sql( $config ) {
301	$where_sql = Settings::get_blacklisted_post_types_sql();
302
303	// Config is a list of post IDs to sync.
304	if ( is_array( $config ) && ! empty( $config ) ) {
305	$where_sql .= ' AND ID IN (' . implode( ',', array_map( 'intval', $config ) ) . ')';
306	}
307
308	return $where_sql;
309	}
310
311	/**
312	* Retrieve the actions that will be sent for this module during a full sync.
313	*
314	* @access public
315	*
316	* @return array Full sync actions of this module.
317	*/
318	public function get_full_sync_actions() {
319	return array( 'jetpack_full_sync_posts' );
320	}
321
322	/**
323	* Filter meta arguments so that we don't sync meta_values over MAX_META_LENGTH.
324	*
325	* @param array $args action arguments.
326	*
327	* @return array filtered action arguments.
328	*/
329	public function trim_post_meta( $args ) {
330	list( $meta_id, $object_id, $meta_key, $meta_value ) = $args;
331	// Explicitly truncate meta_value when it exceeds limit.
332	// Large content will cause OOM issues and break Sync.
333	$serialized_value = maybe_serialize( $meta_value );
334	if ( $serialized_value === null \|\| strlen( $serialized_value ) >= self::MAX_META_LENGTH ) {
335	$meta_value = '';
336	}
337	return array( $meta_id, $object_id, $meta_key, $meta_value );
338	}
339
340	/**
341	* Updated post meta send-time filter: refreshes _wp_attachment_metadata to the latest DB value, then trims.
342	*
343	* @param array $args [ $meta_id, $object_id, $meta_key, $meta_value ].
344	* @return array Filtered args.
345	*/
346	public function filter_updated_post_meta_before_send( $args ) {
347	if ( ! is_array( $args ) \|\| count( $args ) < 4 ) {
348	return $args;
349	}
350	list( $meta_id, $object_id, $meta_key, $meta_value ) = $args;
351	if ( '_wp_attachment_metadata' !== $meta_key \|\| 'attachment' !== get_post_type( (int) $object_id ) ) {
352	return $this->trim_post_meta( $args );
353	}
354	$current_value = wp_get_attachment_metadata( (int) $object_id );
355	if ( is_array( $current_value ) && ! empty( $current_value ) ) {
356	$meta_value = $current_value;
357	}
358	return $this->trim_post_meta( array( $meta_id, $object_id, $meta_key, $meta_value ) );
359	}
360
361	/**
362	* Added post meta send-time filter: refreshes _wp_attachment_metadata to the latest DB value, then trims.
363	*
364	* @param array $args [ $meta_id, $object_id, $meta_key, $meta_value ].
365	* @return array\|false Filtered args, or false to skip sending when the snapshot is clearly incomplete.
366	*/
367	public function filter_added_post_meta_before_send( $args ) {
368	if ( ! is_array( $args ) \|\| count( $args ) < 4 ) {
369	return $args;
370	}
371	list( $meta_id, $object_id, $meta_key, $meta_value ) = $args;
372	if ( '_wp_attachment_metadata' !== $meta_key \|\| 'attachment' !== get_post_type( (int) $object_id ) ) {
373	return $this->trim_post_meta( $args );
374	}
375	$current_value = wp_get_attachment_metadata( (int) $object_id );
376	// For added_post_meta, skip clearly incomplete snapshots (e.g., missing or empty sizes).
377	if ( ! is_array( $current_value ) \|\| empty( $current_value ) ) {
378	return false;
379	}
380	if ( isset( $current_value['sizes'] ) && is_array( $current_value['sizes'] ) && count( $current_value['sizes'] ) === 0 ) {
381	return false;
382	}
383	$meta_value = $current_value;
384	return $this->trim_post_meta( array( $meta_id, $object_id, $meta_key, $meta_value ) );
385	}
386
387	/**
388	* Mark a post as being deleted in the current request.
389	*
390	* @param int $post_id ID of the post being deleted.
391	*/
392	public function mark_post_is_being_deleted( $post_id ) {
393	self::$deleted_posts_in_request[ (int) $post_id ] = true;
394	}
395
396	/**
397	* Enqueue-time per-request dedupe for deleted post metadata, if the post itself is being deleted.
398	*
399	* @param array $args [ $meta_id, $post_id, $meta_key, $meta_value ].
400	* @return array\|false
401	*/
402	public function maybe_skip_deleted_post_meta( $args ) {
403	if ( is_array( $args ) && isset( $args[1] ) && is_numeric( $args[1] ) ) {
404	$post_id = (int) $args[1];
405	if ( isset( self::$deleted_posts_in_request[ $post_id ] ) ) {
406	return false;
407	}
408	}
409	return $args;
410	}
411
412	/**
413	* Unmark a post as being deleted in the current request, to clean up.
414	*
415	* @param int $post_id ID of the post.
416	*/
417	public function unmark_post_being_deleted( $post_id ) {
418	unset( self::$deleted_posts_in_request[ (int) $post_id ] );
419	}
420
421	/**
422	* Enqueue-time per-request dedupe for updated attachment metadata.
423	*
424	* @param array $args [ $meta_id, $object_id, $meta_key, $meta_value ].
425	* @return array\|false
426	*/
427	public function on_before_enqueue_updated_attachment_metadata( $args ) {
428	if ( ! is_array( $args ) \|\| count( $args ) < 3 ) {
429	return $args;
430	}
431	$post_id = (int) $args[1];
432	$meta_key = $args[2];
433	if ( '_wp_attachment_metadata' !== $meta_key \|\| 'attachment' !== get_post_type( $post_id ) ) {
434	return $args;
435	}
436	static $seen_updated_meta_for_post = array();
437	if ( isset( $seen_updated_meta_for_post[ $post_id ] ) ) {
438	return false;
439	}
440	$seen_updated_meta_for_post[ $post_id ] = true;
441	return $args;
442	}
443
444	/**
445	* Process content before send.
446	*
447	* @param array $args Arguments of the `wp_insert_post` hook.
448	*
449	* @return array
450	*/
451	public function expand_jetpack_sync_save_post( $args ) {
452	list( $post_id, $post, $update, $previous_state ) = $args;
453	return array( $post_id, $this->filter_post_content_and_add_links( $post ), $update, $previous_state );
454	}
455
456	/**
457	* Filter all blacklisted post types and add filtered post content.
458	*
459	* @param array $args Hook arguments.
460	* @return array\|false Hook arguments, or false if the post type is a blacklisted one.
461	*/
462	public function filter_jetpack_sync_before_enqueue_jetpack_sync_save_post( $args ) {
463	if (
464	! is_array( $args )
465	\|\| ! array_key_exists( 0, $args ) \|\| ! is_numeric( $args[0] )
466	\|\| ! array_key_exists( 1, $args ) \|\| ! ( $args[1] instanceof \WP_Post )
467	) {
468	return false;
469	}
470
471	list( $post_id, $post, $update, $previous_state ) = array_pad( $args, 4, null );
472
473	if ( in_array( $post->post_type, Settings::get_setting( 'post_types_blacklist' ), true ) ) {
474	return false;
475	}
476
477	// During incremental sync, skip posts whose type is not registered (e.g. CPT unregistered before sync).
478	// Full sync may have already sent them; we simply don't enqueue incremental updates for them.
479	if ( ! get_post_type_object( $post->post_type ) ) {
480	return false;
481	}
482
483	if ( Activity_Log_Event::POST_TYPE === $post->post_type && ! Activity_Log_Event::is_valid_post( $post ) ) {
484	return false;
485	}
486
487	return array( (int) $post_id, $this->filter_post_content_and_add_links( $post ), $update, $previous_state );
488	}
489
490	/**
491	* Add filtered post content.
492	*
493	* @param array $args Hook arguments.
494	* @return array\|false Hook arguments, or false if the arguments are invalid.
495	*/
496	public function filter_jetpack_sync_before_enqueue_jetpack_published_post( $args ) {
497	if (
498	! is_array( $args )
499	\|\| ! array_key_exists( 0, $args ) \|\| ! is_numeric( $args[0] )
500	\|\| ! array_key_exists( 1, $args ) \|\| ! is_array( $args[1] )
501	\|\| ! array_key_exists( 2, $args ) \|\| ! ( $args[2] instanceof \WP_Post )
502	) {
503	return false;
504	}
505
506	list( $post_id, $flags, $post ) = $args;
507
508	if ( Activity_Log_Event::POST_TYPE === $post->post_type && ! Activity_Log_Event::is_valid_post( $post ) ) {
509	return false;
510	}
511
512	return array( (int) $post_id, $flags, $this->filter_post_content_and_add_links( $post ) );
513	}
514
515	/**
516	* Filter all blacklisted post types.
517	*
518	* @param array $args Hook arguments.
519	* @return array\|false Hook arguments, or false if the post type is a blacklisted one.
520	*/
521	public function filter_blacklisted_post_types_deleted( $args ) {
522	if ( ! is_array( $args ) \|\| ! array_key_exists( 0, $args ) \|\| ! is_numeric( $args[0] ) ) {
523	return false;
524	}
525	// deleted_post is called after the SQL delete but before cache cleanup.
526	// There is the potential we can't detect post_type at this point.
527	if ( ! $this->is_post_type_allowed( $args[0] ) ) {
528	return false;
529	}
530
531	return $args;
532	}
533
534	/**
535	* Filter all meta that is not blacklisted, or is stored for a disallowed post type.
536	*
537	* @param array\|false $args Hook arguments.
538	* @return array\|false Hook arguments, or false if meta was filtered.
539	*/
540	public function filter_meta( $args ) {
541	if ( ! $this->has_valid_meta_args( $args ) \|\| ! is_numeric( $args[1] ) ) {
542	return false;
543	}
544
545	return $this->is_allowed_post_meta( $args[1], $args[2] ) ? $args : false;
546	}
547
548	/**
549	* Filter updated post meta that is not whitelisted, is stored for a disallowed post type,
550	* or is duplicate attachment metadata.
551	*
552	* @param array\|false $args Hook arguments.
553	* @return array\|false Hook arguments, or false if meta was filtered.
554	*/
555	public function filter_updated_post_meta( $args ) {
556	$args = $this->on_before_enqueue_updated_attachment_metadata( $args );
557	if ( false === $args ) {
558	return false;
559	}
560
561	return $this->filter_meta( $args );
562	}
563
564	/**
565	* Filter deleted post meta that is not whitelisted, or is stored for a disallowed post type.
566	*
567	* @param array\|false $args Hook arguments.
568	* @return array\|false Hook arguments, or false if meta was filtered.
569	*/
570	public function filter_deleted_post_meta( $args ) {
571	if ( ! $this->has_valid_meta_args( $args ) ) {
572	return false;
573	}
574	// Core uses post ID 0 on this hook for delete-all metadata operations. Only mirror value-constrained deletes.
575	if ( 0 === $args[1] ) {
576	if ( ! array_key_exists( 3, $args ) \|\| '' === $args[3] \|\| null === $args[3] \|\| false === $args[3] ) {
577	return false;
578	}
579
580	return $this->is_whitelisted_post_meta( $args[2] ) ? $args : false;
581	}
582
583	$args = $this->filter_meta( $args );
584	if ( false === $args ) {
585	return false;
586	}
587
588	return $this->maybe_skip_deleted_post_meta( $args );
589	}
590
591	/**
592	* Whether metadata hook arguments include a meta key.
593	*
594	* @param array\|false $args Hook arguments.
595	* @return bool Whether metadata hook arguments include a meta key.
596	*/
597	private function has_valid_meta_args( $args ) {
598	return is_array( $args ) && array_key_exists( 1, $args ) && array_key_exists( 2, $args ) && is_string( $args[2] );
599	}
600
601	/**
602	* Whether post metadata is allowed to sync.
603	*
604	* @param int\|string $object_id Post ID.
605	* @param string $meta_key Meta key.
606	* @return bool Whether post metadata is allowed to sync.
607	*/
608	private function is_allowed_post_meta( $object_id, $meta_key ) {
609	return $this->is_post_type_allowed( $object_id ) && $this->is_whitelisted_post_meta( $meta_key );
610	}
611
612	/**
613	* Whether a post meta key is whitelisted.
614	*
615	* @param string $meta_key Meta key.
616	* @return boolean Whether the post meta key is whitelisted.
617	*/
618	public function is_whitelisted_post_meta( $meta_key ) {
619	if ( ! is_string( $meta_key ) ) {
620	return false;
621	}
622	// The '_wpas_skip_' meta key prefix is used by Publicize to mark posts that should be skipped.
623	return str_starts_with( $meta_key, '_wpas_skip_' ) \|\| in_array( $meta_key, Settings::get_setting( 'post_meta_whitelist' ), true );
624	}
625
626	/**
627	* Whether a post type is allowed.
628	* A post type will be disallowed if it's present in the post type blacklist.
629	*
630	* @param int $post_id ID of the post.
631	* @return boolean Whether the post type is allowed.
632	*/
633	public function is_post_type_allowed( $post_id ) {
634	$post = get_post( (int) $post_id );
635
636	if ( isset( $post->post_type ) ) {
637	return ! in_array( $post->post_type, Settings::get_setting( 'post_types_blacklist' ), true );
638	}
639	return false;
640	}
641
642	/**
643	* Remove the embed shortcode.
644	*
645	* @global $wp_embed
646	*/
647	public function remove_embed() {
648	global $wp_embed;
649	remove_filter( 'the_content', array( $wp_embed, 'run_shortcode' ), 8 );
650	// remove the embed shortcode since we would do the part later.
651	remove_shortcode( 'embed' );
652	// Attempts to embed all URLs in a post.
653	remove_filter( 'the_content', array( $wp_embed, 'autoembed' ), 8 );
654	}
655
656	/**
657	* Add the embed shortcode.
658	*
659	* @global $wp_embed
660	*/
661	public function add_embed() {
662	global $wp_embed;
663	add_filter( 'the_content', array( $wp_embed, 'run_shortcode' ), 8 );
664	// Shortcode placeholder for strip_shortcodes().
665	add_shortcode( 'embed', '__return_false' );
666	// Attempts to embed all URLs in a post.
667	add_filter( 'the_content', array( $wp_embed, 'autoembed' ), 8 );
668	}
669
670	/**
671	* Expands wp_insert_post to include filtered content
672	*
673	* @param \WP_Post $post_object Post object.
674	*/
675	public function filter_post_content_and_add_links( $post_object ) {
676	global $post;
677
678	// Used to restore the post global.
679	$current_post = $post;
680
681	// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
682	$post = $post_object;
683
684	// Return non existant post.
685	$post_type = get_post_type_object( $post->post_type );
686	if ( empty( $post_type ) \|\| ! is_object( $post_type ) ) {
687	$non_existant_post = new \stdClass();
688	$non_existant_post->ID = $post->ID;
689	$non_existant_post->post_modified = $post->post_modified;
690	$non_existant_post->post_modified_gmt = $post->post_modified_gmt;
691	$non_existant_post->post_status = 'jetpack_sync_non_registered_post_type';
692	$non_existant_post->post_type = $post->post_type;
693	// Restore global post.
694	// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
695	$post = $current_post;
696
697	return $non_existant_post;
698	}
699	/**
700	* Filters whether to prevent sending post data to .com
701	*
702	* Passing true to the filter will prevent the post data from being sent
703	* to the WordPress.com.
704	* Instead we pass data that will still enable us to do a checksum against the
705	* Jetpacks data but will prevent us from displaying the data on in the API as well as
706	* other services.
707	*
708	* @since 1.6.3
709	* @since-jetpack 4.2.0
710	*
711	* @param boolean false prevent post data from being synced to WordPress.com
712	* @param mixed $post \WP_Post object
713	*/
714	if ( apply_filters( 'jetpack_sync_prevent_sending_post_data', false, $post ) ) {
715	// We only send the bare necessary object to be able to create a checksum.
716	$blocked_post = new \stdClass();
717	$blocked_post->ID = $post->ID;
718	$blocked_post->post_modified = $post->post_modified;
719	$blocked_post->post_modified_gmt = $post->post_modified_gmt;
720	$blocked_post->post_status = 'jetpack_sync_blocked';
721	$blocked_post->post_type = $post->post_type;
722
723	// Restore global post.
724	// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
725	$post = $current_post;
726
727	return $blocked_post;
728	}
729
730	// lets not do oembed just yet.
731	$this->remove_embed();
732
733	if ( 0 < strlen( $post->post_password ) ) {
734	$post->post_password = 'auto-' . wp_generate_password( 10, false );
735	}
736
737	// Explicitly omit post_content when it exceeds limit.
738	// Large content will cause OOM issues and break Sync.
739	if ( strlen( $post->post_content ) >= self::MAX_POST_CONTENT_LENGTH ) {
740	$post->post_content = '';
741	}
742
743	/** This filter is already documented in core. wp-includes/post-template.php */
744	if ( Settings::get_setting( 'render_filtered_content' ) && $post_type->public ) {
745	global $shortcode_tags;
746	/**
747	* Filter prevents some shortcodes from expanding.
748	*
749	* Since we can can expand some type of shortcode better on the .com side and make the
750	* expansion more relevant to contexts. For example [galleries] and subscription emails
751	*
752	* @since 1.6.3
753	* @since-jetpack 4.5.0
754	*
755	* @param array of shortcode tags to remove.
756	*/
757	$shortcodes_to_remove = apply_filters(
758	'jetpack_sync_do_not_expand_shortcodes',
759	array(
760	'gallery',
761	'slideshow',
762	)
763	);
764	$removed_shortcode_callbacks = array();
765	foreach ( $shortcodes_to_remove as $shortcode ) {
766	if ( isset( $shortcode_tags[ $shortcode ] ) ) {
767	$removed_shortcode_callbacks[ $shortcode ] = $shortcode_tags[ $shortcode ];
768	}
769	}
770
771	array_map( 'remove_shortcode', array_keys( $removed_shortcode_callbacks ) );
772	/**
773	* Certain modules such as Likes, Related Posts and Sharedaddy are using `Settings::is_syncing`
774	* in order to NOT get rendered in filtered post content.
775	* Since the current method runs now before enqueueing instead of before sending,
776	* we are setting `is_syncing` flag to true in order to preserve the existing functionality.
777	*/
778
779	$is_syncing_current = Settings::is_syncing();
780	Settings::set_is_syncing( true );
781	$post->post_content_filtered = apply_filters( 'the_content', $post->post_content );
782	$post->post_excerpt_filtered = apply_filters( 'the_excerpt', $post->post_excerpt );
783	Settings::set_is_syncing( $is_syncing_current );
784
785	foreach ( $removed_shortcode_callbacks as $shortcode => $callback ) {
786	add_shortcode( $shortcode, $callback );
787	}
788	}
789
790	$this->add_embed();
791
792	if ( has_post_thumbnail( $post->ID ) ) {
793	$image_attributes = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'full' );
794	if ( is_array( $image_attributes ) && isset( $image_attributes[0] ) ) {
795	$post->featured_image = $image_attributes[0];
796	}
797	}
798
799	$post->permalink = get_permalink( $post->ID );
800	$post->shortlink = wp_get_shortlink( $post->ID );
801
802	if ( function_exists( 'amp_get_permalink' ) ) {
803	$post->amp_permalink = amp_get_permalink( $post->ID );
804	}
805
806	$filtered_post = $post;
807
808	// Restore global post.
809	// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
810	$post = $current_post;
811
812	return $filtered_post;
813	}
814
815	/**
816	* Handle transition from another post status to a published one.
817	*
818	* @param string $new_status New post status.
819	* @param string $old_status Old post status.
820	* @param \WP_Post $post Post object.
821	*/
822	public function save_published( $new_status, $old_status, $post ) {
823	if ( ! $post instanceof \WP_Post ) {
824	return;
825	}
826	if ( 'publish' === $new_status && 'publish' !== $old_status ) {
827	$this->just_published[ $post->ID ] = true;
828	}
829
830	$this->previous_status[ $post->ID ] = $old_status;
831	}
832
833	/**
834	* When publishing or updating a post, the Gutenberg editor sends two requests:
835	* 1. sent to WP REST API endpoint `wp-json/wp/v2/posts/$id`
836	* 2. sent to wp-admin/post.php `?post=$id&action=edit&classic-editor=1&meta_box=1`
837	*
838	* The 2nd request is to update post meta, which is not supported on WP REST API.
839	* When syncing post data, we will include if this was a meta box update.
840	*
841	* @return boolean Whether this is a Gutenberg meta box update.
842	*/
843	private function is_gutenberg_meta_box_update() {
844	// phpcs:disable WordPress.Security.NonceVerification.Missing, WordPress.Security.NonceVerification.Recommended -- We only check the request to determine if this is a Gutenberg meta box update, and we only use the result to set a boolean logged in the sync event. If anyone anywhere else gets the flag and does something CSRF-able with it, they should ensure that a nonce has been checked.
845	return (
846	isset( $_POST['action'], $_GET['classic-editor'], $_GET['meta_box'] ) &&
847	'editpost' === $_POST['action'] &&
848	'1' === $_GET['classic-editor'] &&
849	'1' === $_GET['meta_box']
850	// phpcs:enable WordPress.Security.NonceVerification.Missing, WordPress.Security.NonceVerification.Recommended
851	);
852	}
853
854	/**
855	* Handler for the wp_insert_post hook.
856	* Called upon creation of a new post.
857	*
858	* @param int $post_ID Post ID.
859	* @param \WP_Post $post Post object.
860	* @param boolean $update Whether this is an existing post being updated or not.
861	*/
862	public function wp_insert_post( $post_ID, $post = null, $update = null ) {
863	if ( ! is_numeric( $post_ID ) \|\| ! $post instanceof \WP_Post ) {
864	return;
865	}
866
867	// Workaround for https://github.com/woocommerce/woocommerce/issues/18007.
868	if ( 'shop_order' === $post->post_type ) {
869	$post = get_post( $post_ID );
870	}
871
872	$previous_status = $this->previous_status[ $post_ID ] ?? self::DEFAULT_PREVIOUS_STATE;
873
874	$just_published = $this->just_published[ $post_ID ] ?? false;
875
876	$state = array(
877	'is_auto_save' => (bool) Jetpack_Constants::get_constant( 'DOING_AUTOSAVE' ),
878	'previous_status' => $previous_status,
879	'just_published' => $just_published,
880	'is_gutenberg_meta_box_update' => $this->is_gutenberg_meta_box_update(),
881	);
882	/**
883	* Filter that is used to add to the post flags ( meta data ) when a post gets published
884	*
885	* @since 1.6.3
886	* @since-jetpack 5.8.0
887	*
888	* @param int $post_ID the post ID
889	* @param mixed $post \WP_Post object
890	* @param bool $update Whether this is an existing post being updated or not.
891	* @param mixed $state state
892	*
893	* @module sync
894	*/
895	do_action( 'jetpack_sync_save_post', $post_ID, $post, $update, $state );
896	unset( $this->previous_status[ $post_ID ] );
897	}
898
899	/**
900	* Handler for the wp_after_insert_post hook.
901	* Called after creation/update of a new post.
902	*
903	* @param int $post_ID Post ID.
904	* @param \WP_Post $post Post object.
905	**/
906	public function wp_after_insert_post( $post_ID, $post ) {
907	if ( ! is_numeric( $post_ID ) \|\| ! $post instanceof \WP_Post ) {
908	return;
909	}
910
911	// Workaround for https://github.com/woocommerce/woocommerce/issues/18007.
912	if ( 'shop_order' === $post->post_type ) {
913	$post = get_post( $post_ID );
914	}
915
916	$this->send_published( $post_ID, $post );
917	}
918
919	/**
920	* Send a published post for sync.
921	*
922	* @param int $post_ID Post ID.
923	* @param \WP_Post $post Post object.
924	*/
925	public function send_published( $post_ID, $post ) {
926	if ( ! isset( $this->just_published[ $post_ID ] ) ) {
927	return;
928	}
929
930	// Post revisions cause race conditions where this send_published add the action before the actual post gets synced.
931	if ( wp_is_post_autosave( $post ) \|\| wp_is_post_revision( $post ) ) {
932	return;
933	}
934
935	$post_flags = array(
936	'post_type' => $post->post_type,
937	);
938
939	$author_user_object = get_user_by( 'id', $post->post_author );
940	if ( $author_user_object ) {
941	$roles = new Roles();
942
943	$post_flags['author'] = array(
944	'id' => $post->post_author,
945	'wpcom_user_id' => get_user_meta( $post->post_author, 'wpcom_user_id', true ),
946	'display_name' => $author_user_object->display_name,
947	'email' => $author_user_object->user_email,
948	'translated_role' => $roles->translate_user_to_role( $author_user_object ),
949	);
950	}
951
952	/**
953	* Filter that is used to add to the post flags ( meta data ) when a post gets published
954	*
955	* @since 1.6.3
956	* @since-jetpack 4.4.0
957	*
958	* @param mixed array post flags that are added to the post
959	* @param mixed $post \WP_Post object
960	*/
961	$flags = apply_filters( 'jetpack_published_post_flags', $post_flags, $post );
962
963	// Only Send Pulished Post event if post_type is not blacklisted.
964	if ( ! in_array( $post->post_type, Settings::get_setting( 'post_types_blacklist' ), true ) ) {
965
966	/**
967	* Action that gets synced when a post type gets published.
968	*
969	* @since 1.6.3
970	* @since-jetpack 4.4.0
971	*
972	* @param int $post_ID
973	* @param mixed array $flags post flags that are added to the post
974	* @param WP_Post $post The post object
975	*/
976	do_action( 'jetpack_published_post', $post_ID, $flags, $post );
977	}
978	unset( $this->just_published[ $post_ID ] );
979
980	/**
981	* Send additional sync action for Activity Log when post is a Customizer publish
982	*/
983	if ( 'customize_changeset' === $post->post_type ) {
984	$post_content = json_decode( $post->post_content, true );
985	if ( ! is_iterable( $post_content ) ) {
986	return;
987	}
988	foreach ( $post_content as $key => $value ) {
989	// Skip if it isn't a widget.
990	if ( 'widget_' !== substr( $key, 0, strlen( 'widget_' ) ) ) {
991	continue;
992	}
993	// Change key from "widget_archives[2]" to "archives-2".
994	$key = str_replace( 'widget_', '', $key );
995	$key = str_replace( '[', '-', $key );
996	$key = str_replace( ']', '', $key );
997
998	global $wp_registered_widgets;
999	if ( isset( $wp_registered_widgets[ $key ] ) ) {
1000	$widget_data = array(
1001	'name' => $wp_registered_widgets[ $key ]['name'],
1002	'id' => $key,
1003	'title' => $value['value']['title'] ?? '',
1004	);
1005	do_action( 'jetpack_widget_edited', $widget_data );
1006	}
1007	}
1008	}
1009	}
1010
1011	/**
1012	* Build the full sync action object for Posts.
1013	*
1014	* @access public
1015	*
1016	* @param array $args An array with the posts and the previous end.
1017	*
1018	* @return array An array with the posts, postmeta and the previous end.
1019	*/
1020	public function build_full_sync_action_array( $args ) {
1021	list( $filtered_posts, $previous_end ) = $args;
1022	return array(
1023	$filtered_posts['objects'],
1024	$filtered_posts['meta'],
1025	array(), // WPCOM does not process term relationships in full sync posts actions for a while now, let's skip them.
1026	$previous_end,
1027	);
1028	}
1029
1030	/**
1031	* Add term relationships to post objects within a hook before they are serialized and sent to the server.
1032	* This is used in Full Sync Immediately
1033	*
1034	* @access public
1035	*
1036	* @param array $args The hook parameters.
1037	* @return array $args The expanded hook parameters.
1038	* @deprecated since 4.7.0
1039	*/
1040	public function add_term_relationships( $args ) {
1041	_deprecated_function( __METHOD__, '4.7.0' );
1042	list( $filtered_posts, $previous_interval_end ) = $args;
1043
1044	return array(
1045	$filtered_posts['objects'],
1046	$filtered_posts['meta'],
1047	$this->get_term_relationships( $filtered_posts['object_ids'] ),
1048	$previous_interval_end,
1049	);
1050	}
1051
1052	/**
1053	* Expand post IDs to post objects within a hook before they are serialized and sent to the server.
1054	* This is used in Legacy Full Sync
1055	*
1056	* @access public
1057	*
1058	* @param array $args The hook parameters.
1059	* @return array $args The expanded hook parameters.
1060	*/
1061	public function expand_posts_with_metadata_and_terms( $args ) {
1062	list( $post_ids, $previous_interval_end ) = $args;
1063
1064	$posts = $this->expand_posts( $post_ids );
1065	$posts_metadata = $this->get_metadata( $post_ids, 'post', Settings::get_setting( 'post_meta_whitelist' ) );
1066	$term_relationships = $this->get_term_relationships( $post_ids );
1067
1068	return array(
1069	$posts,
1070	$posts_metadata,
1071	$term_relationships,
1072	$previous_interval_end,
1073	);
1074	}
1075
1076	/**
1077	* Gets a list of minimum and maximum object ids for each batch based on the given batch size.
1078	*
1079	* @access public
1080	*
1081	* @param int $batch_size The batch size for objects.
1082	* @param string\|bool $where_sql The sql where clause minus 'WHERE', or false if no where clause is needed.
1083	*
1084	* @return array\|bool An array of min and max ids for each batch. FALSE if no table can be found.
1085	*/
1086	public function get_min_max_object_ids_for_batches( $batch_size, $where_sql = false ) {
1087	return parent::get_min_max_object_ids_for_batches( $batch_size, $this->get_where_sql( $where_sql ) );
1088	}
1089
1090	/**
1091	* Given the Module Configuration and Status return the next chunk of items to send.
1092	* This function also expands the posts and metadata and filters them based on the maximum size constraints.
1093	*
1094	* @param array $config This module Full Sync configuration.
1095	* @param array $status This module Full Sync status.
1096	* @param int $chunk_size Chunk size.
1097	*
1098	* @return array
1099	*/
1100	public function get_next_chunk( $config, $status, $chunk_size ) {
1101
1102	$post_ids = parent::get_next_chunk( $config, $status, $chunk_size );
1103
1104	if ( empty( $post_ids ) ) {
1105	return array();
1106	}
1107
1108	$posts = $this->expand_posts( $post_ids );
1109
1110	// If no posts were fetched, make sure to return the expected structure so that status is updated correctly.
1111	if ( empty( $posts ) ) {
1112	return array(
1113	'object_ids' => $post_ids,
1114	'objects' => array(),
1115	'meta' => array(),
1116	);
1117	}
1118	// Get the post IDs from the posts that were fetched.
1119	$fetched_post_ids = wp_list_pluck( $posts, 'ID' );
1120	$metadata = $this->get_metadata( $fetched_post_ids, 'post', Settings::get_setting( 'post_meta_whitelist' ) );
1121
1122	// Filter the posts and metadata based on the maximum size constraints.
1123	list( $filtered_post_ids, $filtered_posts, $filtered_posts_metadata ) = $this->filter_objects_and_metadata_by_size(
1124	'post',
1125	$posts,
1126	$metadata,
1127	self::MAX_META_LENGTH,
1128	self::MAX_SIZE_FULL_SYNC
1129	);
1130
1131	return array(
1132	'object_ids' => $filtered_post_ids,
1133	'objects' => $filtered_posts,
1134	'meta' => $filtered_posts_metadata,
1135	);
1136	}
1137
1138	/**
1139	* Expand posts.
1140	*
1141	* @param array $post_ids Post IDs.
1142	*
1143	* @return array Expanded posts.
1144	*/
1145	private function expand_posts( $post_ids ) {
1146	$posts = array_filter( array_map( array( 'WP_Post', 'get_instance' ), $post_ids ) );
1147	$posts = array_map( array( $this, 'filter_post_content_and_add_links' ), $posts );
1148	$posts = array_values( $posts ); // Reindex in case posts were deleted.
1149	return $posts;
1150	}
1151	}
1152