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<?php |
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|
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namespace Activitypub; |
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|
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use Activitypub\Transformer\Post; |
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use Activitypub\Collection\Users; |
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use Activitypub\Collection\Followers; |
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|
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use function Activitypub\was_comment_sent; |
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use function Activitypub\is_user_type_disabled; |
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use function Activitypub\should_comment_be_federated; |
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use function Activitypub\get_remote_metadata_by_actor; |
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|
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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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/** |
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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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// Post transitions |
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\add_action( 'transition_post_status', array( self::class, 'schedule_post_activity' ), 33, 3 ); |
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\add_action( |
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'edit_attachment', |
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function ( $post_id ) { |
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self::schedule_post_activity( 'publish', 'publish', $post_id ); |
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} |
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); |
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\add_action( |
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'add_attachment', |
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function ( $post_id ) { |
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self::schedule_post_activity( 'publish', '', $post_id ); |
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} |
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); |
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\add_action( |
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'delete_attachment', |
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function ( $post_id ) { |
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self::schedule_post_activity( 'trash', '', $post_id ); |
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} |
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); |
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|
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if ( ! ACTIVITYPUB_DISABLE_OUTGOING_INTERACTIONS ) { |
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// Comment transitions |
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\add_action( 'transition_comment_status', array( self::class, 'schedule_comment_activity' ), 20, 3 ); |
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\add_action( |
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'edit_comment', |
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function ( $comment_id ) { |
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self::schedule_comment_activity( 'approved', 'approved', $comment_id ); |
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} |
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); |
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\add_action( |
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'wp_insert_comment', |
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function ( $comment_id ) { |
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self::schedule_comment_activity( 'approved', '', $comment_id ); |
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} |
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); |
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} |
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|
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// Follower Cleanups |
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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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// profile updates for blog options |
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if ( ! is_user_type_disabled( 'blog' ) ) { |
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\add_action( 'update_option_site_icon', array( self::class, 'blog_user_update' ) ); |
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\add_action( 'update_option_blogdescription', array( self::class, 'blog_user_update' ) ); |
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\add_action( 'update_option_blogname', array( self::class, 'blog_user_update' ) ); |
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\add_filter( 'pre_set_theme_mod_custom_logo', array( self::class, 'blog_user_update' ) ); |
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\add_filter( 'pre_set_theme_mod_header_image', array( self::class, 'blog_user_update' ) ); |
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} |
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|
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// profile updates for user options |
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if ( ! is_user_type_disabled( 'user' ) ) { |
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\add_action( 'wp_update_user', array( self::class, 'user_update' ) ); |
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\add_action( 'updated_user_meta', array( self::class, 'user_meta_update' ), 10, 3 ); |
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// @todo figure out a feasible way of updating the header image since it's not unique to any user. |
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} |
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} |
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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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|
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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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/** |
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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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|
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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, $post ) { |
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$post = get_post( $post ); |
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|
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// Do not send activities if post is password protected. |
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if ( \post_password_required( $post ) ) { |
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return; |
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} |
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|
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// Check if post-type supports ActivityPub. |
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$post_types = \get_post_types_by_support( 'activitypub' ); |
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if ( ! \in_array( $post->post_type, $post_types, true ) ) { |
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return; |
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} |
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|
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$type = false; |
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|
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if ( 'publish' === $new_status && 'publish' !== $old_status ) { |
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$type = 'Create'; |
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} elseif ( 'publish' === $new_status ) { |
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$type = 'Update'; |
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} elseif ( 'trash' === $new_status ) { |
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$type = 'Delete'; |
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} |
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|
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if ( empty( $type ) ) { |
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return; |
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} |
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|
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$hook = 'activitypub_send_post'; |
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$args = array( $post->ID, $type ); |
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|
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if ( false === wp_next_scheduled( $hook, $args ) ) { |
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set_wp_object_state( $post, 'federate' ); |
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\wp_schedule_single_event( \time(), $hook, $args ); |
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} |
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} |
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|
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/** |
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* Schedule Comment Activities |
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* |
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* transition_comment_status() |
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* |
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* @param string $new_status New comment status. |
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* @param string $old_status Old comment status. |
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* @param WP_Comment $comment Comment object. |
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*/ |
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public static function schedule_comment_activity( $new_status, $old_status, $comment ) { |
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$comment = get_comment( $comment ); |
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|
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// federate only comments that are written by a registered user. |
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if ( ! $comment->user_id ) { |
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return; |
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} |
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|
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$type = false; |
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|
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if ( |
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'approved' === $new_status && |
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'approved' !== $old_status |
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) { |
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$type = 'Create'; |
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} elseif ( 'approved' === $new_status ) { |
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$type = 'Update'; |
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\update_comment_meta( $comment->comment_ID, 'activitypub_comment_modified', time(), true ); |
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} elseif ( |
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'trash' === $new_status || |
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'spam' === $new_status |
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) { |
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$type = 'Delete'; |
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} |
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|
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if ( empty( $type ) ) { |
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return; |
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} |
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|
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// check if comment should be federated or not |
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if ( ! should_comment_be_federated( $comment ) ) { |
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return; |
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} |
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|
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$hook = 'activitypub_send_comment'; |
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$args = array( $comment->comment_ID, $type ); |
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|
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if ( false === wp_next_scheduled( $hook, $args ) ) { |
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set_wp_object_state( $comment, 'federate' ); |
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\wp_schedule_single_event( \time(), $hook, $args ); |
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} |
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} |
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|
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/** |
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* Update followers |
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* |
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* @return void |
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*/ |
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public static function update_followers() { |
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$number = 5; |
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|
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if ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ) { |
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$number = 50; |
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} |
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|
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$number = apply_filters( 'activitypub_update_followers_number', $number ); |
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$followers = Followers::get_outdated_followers( $number ); |
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|
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foreach ( $followers as $follower ) { |
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$meta = get_remote_metadata_by_actor( $follower->get_id(), false ); |
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|
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if ( empty( $meta ) || ! is_array( $meta ) || is_wp_error( $meta ) ) { |
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Followers::add_error( $follower->get__id(), $meta ); |
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} else { |
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$follower->from_array( $meta ); |
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$follower->update(); |
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} |
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} |
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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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$number = 5; |
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|
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if ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ) { |
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$number = 50; |
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} |
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|
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$number = apply_filters( 'activitypub_update_followers_number', $number ); |
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$followers = Followers::get_faulty_followers( $number ); |
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|
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foreach ( $followers as $follower ) { |
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$meta = get_remote_metadata_by_actor( $follower->get_url(), false ); |
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|
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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 ( $follower->count_errors() >= 5 ) { |
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$follower->delete(); |
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\wp_schedule_single_event( |
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\time(), |
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'activitypub_delete_actor_interactions', |
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array( $follower->get_id() ) |
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); |
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} else { |
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Followers::add_error( $follower->get__id(), $meta ); |
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} |
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} else { |
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$follower->reset_errors(); |
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} |
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} |
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} |
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|
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/** |
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* Send a profile update when relevant user meta is updated. |
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* |
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* @param int $meta_id Meta ID being updated. |
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* @param int $user_id User ID being updated. |
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* @param string $meta_key Meta key being updated. |
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* |
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* @return void |
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*/ |
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public static function user_meta_update( $meta_id, $user_id, $meta_key ) { |
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// don't bother if the user can't publish |
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if ( ! \user_can( $user_id, 'activitypub' ) ) { |
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return; |
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} |
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// the user meta fields that affect a profile. |
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$fields = array( |
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'activitypub_user_description', |
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'description', |
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'user_url', |
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'display_name', |
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); |
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if ( in_array( $meta_key, $fields, true ) ) { |
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self::schedule_profile_update( $user_id ); |
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} |
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} |
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|
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/** |
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* Send a profile update when a user is updated. |
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* |
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* @param int $user_id User ID being updated. |
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* |
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* @return void |
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*/ |
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public static function user_update( $user_id ) { |
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// don't bother if the user can't publish |
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if ( ! \user_can( $user_id, 'activitypub' ) ) { |
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return; |
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} |
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|
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self::schedule_profile_update( $user_id ); |
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} |
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|
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/** |
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* Theme mods only have a dynamic filter so we fudge it like this. |
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* @param mixed $value |
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* @return mixed |
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*/ |
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public static function blog_user_update( $value = null ) { |
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self::schedule_profile_update( 0 ); |
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return $value; |
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} |
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|
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/** |
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* Send a profile update to all followers. Gets hooked into all relevant options/meta etc. |
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* @param int $user_id The user ID to update (Could be 0 for Blog-User). |
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*/ |
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public static function schedule_profile_update( $user_id ) { |
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\wp_schedule_single_event( |
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\time(), |
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'activitypub_send_update_profile_activity', |
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array( $user_id ) |
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); |
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} |
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} |
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|
