138 lines
3.4 KiB
PHP
138 lines
3.4 KiB
PHP
<?php
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namespace Activitypub;
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use Activitypub\Model\Post;
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use Activitypub\Collection\Followers;
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/**
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* ActivityPub Scheduler Class
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*
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* @author Matthias Pfefferle
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*/
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class Scheduler {
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/**
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* Initialize the class, registering WordPress hooks
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*/
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public static function init() {
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\add_action( 'transition_post_status', array( self::class, 'schedule_post_activity' ), 33, 3 );
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\add_action( 'activitypub_update_followers', array( self::class, 'update_followers' ) );
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\add_action( 'activitypub_cleanup_followers', array( self::class, 'cleanup_followers' ) );
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}
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/**
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* Schedule all ActivityPub schedules.
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*
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* @return void
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*/
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public static function register_schedules() {
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if ( ! \wp_next_scheduled( 'activitypub_update_followers' ) ) {
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\wp_schedule_event( time(), 'hourly', 'activitypub_update_followers' );
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}
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if ( ! \wp_next_scheduled( 'activitypub_cleanup_followers' ) ) {
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\wp_schedule_event( time(), 'daily', 'activitypub_cleanup_followers' );
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}
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}
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/**
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* Unscedule all ActivityPub schedules.
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*
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* @return void
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*/
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public static function deregister_schedules() {
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wp_unschedule_hook( 'activitypub_update_followers' );
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wp_unschedule_hook( 'activitypub_cleanup_followers' );
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}
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/**
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* Schedule Activities.
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*
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* @param string $new_status New post status.
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* @param string $old_status Old post status.
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* @param WP_Post $post Post object.
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*/
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public static function schedule_post_activity( $new_status, $old_status, $post ) {
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// Do not send activities if post is password protected.
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if ( \post_password_required( $post ) ) {
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return;
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}
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// Check if post-type supports ActivityPub.
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$post_types = \get_post_types_by_support( 'activitypub' );
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if ( ! \in_array( $post->post_type, $post_types, true ) ) {
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return;
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}
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$activitypub_post = new Post( $post );
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if ( 'publish' === $new_status && 'publish' !== $old_status ) {
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\wp_schedule_single_event(
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\time(),
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'activitypub_send_create_activity',
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array( $activitypub_post )
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);
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} elseif ( 'publish' === $new_status ) {
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\wp_schedule_single_event(
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\time(),
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'activitypub_send_update_activity',
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array( $activitypub_post )
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);
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} elseif ( 'trash' === $new_status ) {
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\wp_schedule_single_event(
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\time(),
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'activitypub_send_delete_activity',
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array( $activitypub_post )
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);
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}
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}
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/**
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* Update followers
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*
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* @return void
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*/
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public static function update_followers() {
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$followers = Followers::get_outdated_followers( ACTIVITYPUB_OBJECT );
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foreach ( $followers as $follower ) {
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$meta = get_remote_metadata_by_actor( $follower->get_actor() );
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if ( empty( $meta ) || ! is_array( $meta ) || is_wp_error( $meta ) ) {
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$follower->set_error( $meta );
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} else {
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$follower->from_meta( $meta );
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}
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$follower->update();
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}
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}
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/**
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* Cleanup followers
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*
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* @return void
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*/
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public static function cleanup_followers() {
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$followers = Followers::get_faulty_followers( ACTIVITYPUB_OBJECT );
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foreach ( $followers as $follower ) {
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$meta = get_remote_metadata_by_actor( $follower->get_actor() );
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if ( is_tombstone( $meta ) ) {
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$follower->delete();
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} elseif ( empty( $meta ) || ! is_array( $meta ) || is_wp_error( $meta ) ) {
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if ( 5 <= $follower->count_errors() ) {
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$follower->delete();
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} else {
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$follower->set_error( $meta );
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$follower->update();
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}
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} else {
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$follower->reset_errors();
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}
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}
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}
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}
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