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<?php
require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php';
class Jetpack_Sync_Module_Posts extends Jetpack_Sync_Module {
private $just_published = array();
private $previous_status = array();
private $action_handler;
private $import_end = false;
const DEFAULT_PREVIOUS_STATE = 'new';
public function name() {
return 'posts';
}
public function get_object_by_id( $object_type, $id ) {
if ( $object_type === 'post' && $post = get_post( intval( $id ) ) ) {
return $this->filter_post_content_and_add_links( $post );
}
return false;
}
public function init_listeners( $callable ) {
$this->action_handler = $callable;
// Core < 4.7 doesn't deal with nested wp_insert_post calls very well
global $wp_version;
$priority = version_compare( $wp_version, '4.7-alpha', '<' ) ? 0 : 11;
add_action( 'wp_insert_post', array( $this, 'wp_insert_post' ), $priority, 3 );
add_action( 'jetpack_sync_save_post', $callable, 10, 4 );
add_action( 'deleted_post', $callable, 10 );
add_action( 'jetpack_published_post', $callable, 10, 2 );
add_action( 'transition_post_status', array( $this, 'save_published' ), 10, 3 );
add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_save_post', array( $this, 'filter_blacklisted_post_types' ) );
// listen for meta changes
$this->init_listeners_for_meta_type( 'post', $callable );
$this->init_meta_whitelist_handler( 'post', array( $this, 'filter_meta' ) );
add_action( 'jetpack_daily_akismet_meta_cleanup_before', array( $this, 'daily_akismet_meta_cleanup_before' ) );
add_action( 'jetpack_daily_akismet_meta_cleanup_after', array( $this, 'daily_akismet_meta_cleanup_after' ) );
add_action( 'jetpack_post_meta_batch_delete', $callable, 10, 2 );
}
public function daily_akismet_meta_cleanup_before( $feedback_ids ) {
remove_action( 'deleted_post_meta', $this->action_handler );
/**
* Used for syncing deletion of batch post meta
*
* @since 6.1.0
*
* @module sync
*
* $param array $feedback_ids feedback post IDs
* $param string $meta_key to be deleted
*/
do_action( 'jetpack_post_meta_batch_delete', $feedback_ids, '_feedback_akismet_values');
}
public function daily_akismet_meta_cleanup_after( $feedback_ids ) {
add_action( 'deleted_post_meta', $this->action_handler );
}
public function init_full_sync_listeners( $callable ) {
add_action( 'jetpack_full_sync_posts', $callable ); // also sends post meta
}
public function init_before_send() {
add_filter( 'jetpack_sync_before_send_jetpack_sync_save_post', array( $this, 'expand_jetpack_sync_save_post' ) );
// full sync
add_filter( 'jetpack_sync_before_send_jetpack_full_sync_posts', array( $this, 'expand_post_ids' ) );
}
public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) {
global $wpdb;
return $this->enqueue_all_ids_as_action( 'jetpack_full_sync_posts', $wpdb->posts, 'ID', $this->get_where_sql( $config ), $max_items_to_enqueue, $state );
}
public function estimate_full_sync_actions( $config ) {
global $wpdb;
$query = "SELECT count(*) FROM $wpdb->posts WHERE " . $this->get_where_sql( $config );
$count = $wpdb->get_var( $query );
return (int) ceil( $count / self::ARRAY_CHUNK_SIZE );
}
private function get_where_sql( $config ) {
$where_sql = Jetpack_Sync_Settings::get_blacklisted_post_types_sql();
// config is a list of post IDs to sync
if ( is_array( $config ) ) {
$where_sql .= ' AND ID IN (' . implode( ',', array_map( 'intval', $config ) ) . ')';
}
return $where_sql;
}
function get_full_sync_actions() {
return array( 'jetpack_full_sync_posts' );
}
/**
* Process content before send
*
* @param array $args wp_insert_post arguments
*
* @return array
*/
function expand_jetpack_sync_save_post( $args ) {
list( $post_id, $post, $update, $previous_state ) = $args;
return array( $post_id, $this->filter_post_content_and_add_links( $post ), $update, $previous_state );
}
function filter_blacklisted_post_types( $args ) {
$post = $args[1];
if ( in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) ) ) {
return false;
}
return $args;
}
// Meta
function filter_meta( $args ) {
if ( $this->is_post_type_allowed( $args[1] ) && $this->is_whitelisted_post_meta( $args[2] ) ) {
return $args;
}
return false;
}
function is_whitelisted_post_meta( $meta_key ) {
// _wpas_skip_ is used by publicize
return in_array( $meta_key, Jetpack_Sync_Settings::get_setting( 'post_meta_whitelist' ) ) || wp_startswith( $meta_key, '_wpas_skip_' );
}
function is_post_type_allowed( $post_id ) {
$post = get_post( intval( $post_id ) );
if( $post->post_type ) {
return ! in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) );
}
return false;
}
function remove_embed() {
global $wp_embed;
remove_filter( 'the_content', array( $wp_embed, 'run_shortcode' ), 8 );
// remove the embed shortcode since we would do the part later.
remove_shortcode( 'embed' );
// Attempts to embed all URLs in a post
remove_filter( 'the_content', array( $wp_embed, 'autoembed' ), 8 );
}
function add_embed() {
global $wp_embed;
add_filter( 'the_content', array( $wp_embed, 'run_shortcode' ), 8 );
// Shortcode placeholder for strip_shortcodes()
add_shortcode( 'embed', '__return_false' );
// Attempts to embed all URLs in a post
add_filter( 'the_content', array( $wp_embed, 'autoembed' ), 8 );
}
// Expands wp_insert_post to include filtered content
function filter_post_content_and_add_links( $post_object ) {
global $post;
$post = $post_object;
// return non existant post
$post_type = get_post_type_object( $post->post_type );
if ( empty( $post_type ) || ! is_object( $post_type ) ) {
$non_existant_post = new stdClass();
$non_existant_post->ID = $post->ID;
$non_existant_post->post_modified = $post->post_modified;
$non_existant_post->post_modified_gmt = $post->post_modified_gmt;
$non_existant_post->post_status = 'jetpack_sync_non_registered_post_type';
return $non_existant_post;
}
/**
* Filters whether to prevent sending post data to .com
*
* Passing true to the filter will prevent the post data from being sent
* to the WordPress.com.
* Instead we pass data that will still enable us to do a checksum against the
* Jetpacks data but will prevent us from displaying the data on in the API as well as
* other services.
* @since 4.2.0
*
* @param boolean false prevent post data from being synced to WordPress.com
* @param mixed $post WP_POST object
*/
if ( apply_filters( 'jetpack_sync_prevent_sending_post_data', false, $post ) ) {
// We only send the bare necessary object to be able to create a checksum.
$blocked_post = new stdClass();
$blocked_post->ID = $post->ID;
$blocked_post->post_modified = $post->post_modified;
$blocked_post->post_modified_gmt = $post->post_modified_gmt;
$blocked_post->post_status = 'jetpack_sync_blocked';
return $blocked_post;
}
// lets not do oembed just yet.
$this->remove_embed();
if ( 0 < strlen( $post->post_password ) ) {
$post->post_password = 'auto-' . wp_generate_password( 10, false );
}
/** This filter is already documented in core. wp-includes/post-template.php */
if ( Jetpack_Sync_Settings::get_setting( 'render_filtered_content' ) && $post_type->public ) {
global $shortcode_tags;
/**
* Filter prevents some shortcodes from expanding.
*
* Since we can can expand some type of shortcode better on the .com side and make the
* expansion more relevant to contexts. For example [galleries] and subscription emails
*
* @since 4.5.0
*
* @param array of shortcode tags to remove.
*/
$shortcodes_to_remove = apply_filters( 'jetpack_sync_do_not_expand_shortcodes', array(
'gallery',
'slideshow'
) );
$removed_shortcode_callbacks = array();
foreach ( $shortcodes_to_remove as $shortcode ) {
if ( isset ( $shortcode_tags[ $shortcode ] ) ) {
$removed_shortcode_callbacks[ $shortcode ] = $shortcode_tags[ $shortcode ];
}
}
array_map( 'remove_shortcode', array_keys( $removed_shortcode_callbacks ) );
$post->post_content_filtered = apply_filters( 'the_content', $post->post_content );
$post->post_excerpt_filtered = apply_filters( 'the_excerpt', $post->post_excerpt );
foreach ( $removed_shortcode_callbacks as $shortcode => $callback ) {
add_shortcode( $shortcode, $callback );
}
}
$this->add_embed();
if ( has_post_thumbnail( $post->ID ) ) {
$image_attributes = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'full' );
if ( is_array( $image_attributes ) && isset( $image_attributes[0] ) ) {
$post->featured_image = $image_attributes[0];
}
}
$post->permalink = get_permalink( $post->ID );
$post->shortlink = wp_get_shortlink( $post->ID );
if ( function_exists( 'amp_get_permalink' ) ) {
$post->amp_permalink = amp_get_permalink( $post->ID );
}
return $post;
}
public function save_published( $new_status, $old_status, $post ) {
if ( 'publish' === $new_status && 'publish' !== $old_status ) {
$this->just_published[ $post->ID ] = true;
}
$this->previous_status[ $post->ID ] = $old_status;
}
public function wp_insert_post( $post_ID, $post = null, $update = null ) {
if ( ! is_numeric( $post_ID ) || is_null( $post ) ) {
return;
}
// workaround for https://github.com/woocommerce/woocommerce/issues/18007
if ( $post && 'shop_order' === $post->post_type ) {
$post = get_post( $post_ID );
}
$previous_status = isset( $this->previous_status[ $post_ID ] ) ?
$this->previous_status[ $post_ID ] :
self::DEFAULT_PREVIOUS_STATE;
$just_published = isset( $this->just_published[ $post_ID ] ) ?
$this->just_published[ $post_ID ] :
false;
$state = array(
'is_auto_save' => (bool) Jetpack_Constants::get_constant( 'DOING_AUTOSAVE' ),
'previous_status' => $previous_status,
'just_published' => $just_published
);
/**
* Filter that is used to add to the post flags ( meta data ) when a post gets published
*
* @since 5.8.0
*
* @param int $post_ID the post ID
* @param mixed $post WP_POST object
* @param bool $update Whether this is an existing post being updated or not.
* @param mixed $state state
*
* @module sync
*/
do_action( 'jetpack_sync_save_post', $post_ID, $post, $update, $state );
unset( $this->previous_status[ $post_ID ] );
$this->send_published( $post_ID, $post );
}
public function send_published( $post_ID, $post ) {
if ( ! isset( $this->just_published[ $post_ID ] ) ) {
return;
}
// Post revisions cause race conditions where this send_published add the action before the actual post gets synced
if ( wp_is_post_autosave( $post ) || wp_is_post_revision( $post ) ) {
return;
}
$post_flags = array(
'post_type' => $post->post_type
);
$author_user_object = get_user_by( 'id', $post->post_author );
if ( $author_user_object ) {
$post_flags['author'] = array(
'id' => $post->post_author,
'wpcom_user_id' => get_user_meta( $post->post_author, 'wpcom_user_id', true ),
'display_name' => $author_user_object->display_name,
'email' => $author_user_object->user_email,
'translated_role' => Jetpack::translate_user_to_role( $author_user_object ),
);
}
/**
* Filter that is used to add to the post flags ( meta data ) when a post gets published
*
* @since 4.4.0
*
* @param mixed array post flags that are added to the post
* @param mixed $post WP_POST object
*/
$flags = apply_filters( 'jetpack_published_post_flags', $post_flags, $post );
/**
* Action that gets synced when a post type gets published.
*
* @since 4.4.0
*
* @param int $post_ID
* @param mixed array $flags post flags that are added to the post
*/
do_action( 'jetpack_published_post', $post_ID, $flags );
unset( $this->just_published[ $post_ID ] );
}
public function expand_post_ids( $args ) {
$post_ids = $args[0];
$posts = array_filter( array_map( array( 'WP_Post', 'get_instance' ), $post_ids ) );
$posts = array_map( array( $this, 'filter_post_content_and_add_links' ), $posts );
$posts = array_values( $posts ); // reindex in case posts were deleted
return array(
$posts,
$this->get_metadata( $post_ids, 'post', Jetpack_Sync_Settings::get_setting( 'post_meta_whitelist' ) ),
$this->get_term_relationships( $post_ids ),
);
}
}
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