100 lines
3.1 KiB
PHP
100 lines
3.1 KiB
PHP
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<?php
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namespace Activitypub;
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/**
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* ActivityPub Activity_Dispatcher Class
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*
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* @author Matthias Pfefferle
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*
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* @see https://www.w3.org/TR/activitypub/
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*/
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class Activity_Dispatcher {
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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( 'activitypub_send_post_activity', array( '\Activitypub\Activity_Dispatcher', 'send_post_activity' ) );
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\add_action( 'activitypub_send_update_activity', array( '\Activitypub\Activity_Dispatcher', 'send_update_activity' ) );
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\add_action( 'activitypub_send_delete_activity', array( '\Activitypub\Activity_Dispatcher', 'send_delete_activity' ) );
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}
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/**
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* Send "create" activities.
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*
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* @param \Activitypub\Model\Post $activitypub_post
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*/
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public static function send_post_activity( Model\Post $activitypub_post ) {
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// get latest version of post
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$user_id = $activitypub_post->get_post_author();
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$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_FULL );
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$activitypub_activity->from_post( $activitypub_post );
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$inboxes = \Activitypub\get_follower_inboxes( $user_id );
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$followers_url = \get_rest_url( null, '/activitypub/1.0/users/' . intval( $user_id ) . '/followers' );
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foreach ( $activitypub_activity->get_cc() as $cc ) {
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if ( $cc === $followers_url ) {
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continue;
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}
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$inbox = \Activitypub\get_inbox_by_actor( $cc );
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if ( ! $inbox || \is_wp_error( $inbox ) ) {
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continue;
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}
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// init array if empty
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if ( ! isset( $inboxes[ $inbox ] ) ) {
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$inboxes[ $inbox ] = array();
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}
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$inboxes[ $inbox ][] = $cc;
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}
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foreach ( $inboxes as $inbox => $to ) {
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$to = array_values( array_unique( $to ) );
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$activitypub_activity->set_to( $to );
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$activity = $activitypub_activity->to_json();
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\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
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}
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}
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/**
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* Send "update" activities.
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*
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* @param \Activitypub\Model\Post $activitypub_post
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*/
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public static function send_update_activity( $activitypub_post ) {
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// get latest version of post
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$user_id = $activitypub_post->get_post_author();
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$activitypub_activity = new \Activitypub\Model\Activity( 'Update', \Activitypub\Model\Activity::TYPE_FULL );
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$activitypub_activity->from_post( $activitypub_post );
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foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
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$activitypub_activity->set_to( $to );
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$activity = $activitypub_activity->to_json(); // phpcs:ignore
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\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
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}
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}
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/**
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* Send "delete" activities.
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*
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* @param \Activitypub\Model\Post $activitypub_post
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*/
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public static function send_delete_activity( $activitypub_post ) {
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// get latest version of post
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$user_id = $activitypub_post->get_post_author();
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$activitypub_activity = new \Activitypub\Model\Activity( 'Delete', \Activitypub\Model\Activity::TYPE_FULL );
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$activitypub_activity->from_post( $activitypub_post );
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foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
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$activitypub_activity->set_to( $to );
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$activity = $activitypub_activity->to_json(); // phpcs:ignore
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\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
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}
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}
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}
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