wordpress-activitypub/includes/class-activity-dispatcher.php

109 lines
3.1 KiB
PHP
Raw Normal View History

2019-08-18 21:54:11 +02:00
<?php
namespace Activitypub;
2023-04-20 15:22:11 +02:00
use Activitypub\Model\Post;
use Activitypub\Model\Activity;
use Activitypub\User_Factory;
2023-04-24 20:46:51 +02:00
use Activitypub\Collection\Followers;
2023-04-20 15:22:11 +02:00
2023-05-10 15:36:45 +02:00
use function Activitypub\safe_remote_post;
2019-08-18 21:54:11 +02:00
/**
* ActivityPub Activity_Dispatcher Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/
*/
class Activity_Dispatcher {
/**
2020-05-14 21:37:59 +02:00
* Initialize the class, registering WordPress hooks.
2019-08-18 21:54:11 +02:00
*/
public static function init() {
2023-02-02 01:42:15 +01:00
// legacy
2023-04-20 15:22:11 +02:00
\add_action( 'activitypub_send_post_activity', array( self::class, 'send_create_activity' ) );
2023-02-02 01:42:15 +01:00
2023-04-20 15:22:11 +02:00
\add_action( 'activitypub_send_create_activity', array( self::class, 'send_create_activity' ) );
\add_action( 'activitypub_send_update_activity', array( self::class, 'send_update_activity' ) );
\add_action( 'activitypub_send_delete_activity', array( self::class, 'send_delete_activity' ) );
2019-08-18 21:54:11 +02:00
}
/**
2020-05-14 21:37:59 +02:00
* Send "create" activities.
2019-08-18 21:54:11 +02:00
*
2023-04-20 15:22:11 +02:00
* @param Activitypub\Model\Post $activitypub_post
2019-08-18 21:54:11 +02:00
*/
2023-04-20 15:22:11 +02:00
public static function send_create_activity( Post $activitypub_post ) {
2023-02-02 01:42:15 +01:00
self::send_activity( $activitypub_post, 'Create' );
2019-08-18 21:54:11 +02:00
}
2022-12-09 19:05:43 +01:00
/**
* Send "update" activities.
*
2023-05-10 15:36:45 +02:00
* @param Activitypub\Model\Post $activitypub_post The ActivityPub Post.
2022-12-09 19:05:43 +01:00
*/
2023-04-20 15:22:11 +02:00
public static function send_update_activity( Post $activitypub_post ) {
2023-02-02 01:42:15 +01:00
self::send_activity( $activitypub_post, 'Update' );
2019-08-18 21:54:11 +02:00
}
2022-12-09 19:05:43 +01:00
/**
* Send "delete" activities.
*
2023-05-10 15:36:45 +02:00
* @param Activitypub\Model\Post $activitypub_post The ActivityPub Post.
2022-12-09 19:05:43 +01:00
*/
2023-04-20 15:22:11 +02:00
public static function send_delete_activity( Post $activitypub_post ) {
2023-02-02 01:42:15 +01:00
self::send_activity( $activitypub_post, 'Delete' );
}
/**
2023-05-10 15:36:45 +02:00
* Send Activities to followers and mentioned users.
2023-02-02 01:42:15 +01:00
*
2023-05-10 15:36:45 +02:00
* @param Activitypub\Model\Post $activitypub_post The ActivityPub Post.
* @param string $activity_type The Activity-Type.
2023-04-20 15:22:11 +02:00
*
2023-02-02 01:42:15 +01:00
* @return void
*/
2023-04-20 15:22:11 +02:00
public static function send_activity( Post $activitypub_post, $activity_type ) {
// check if a migration is needed before sending new posts
2023-05-10 15:36:45 +02:00
Migration::maybe_migrate();
if ( ! is_single_user_mode() ) {
// send User-Activity
self::send_user_activity( $activitypub_post, $activity_type );
}
// send Blog-User-Activity
self::send_user_activity( $activitypub_post, $activity_type, User_Factory::BLOG_USER_ID );
}
public static function send_user_activity( Post $activitypub_post, $activity_type, $user_id = null ) {
if ( $user_id ) {
$user = User_Factory::get_by_id( $user_id );
$actor = $user->get_url();
} else {
// get latest version of post
$user_id = $activitypub_post->get_post_author();
$actor = null;
}
2019-08-18 21:54:11 +02:00
2023-04-20 15:22:11 +02:00
$activitypub_activity = new Activity( $activity_type );
2023-02-01 00:13:55 +01:00
$activitypub_activity->from_post( $activitypub_post );
2019-08-18 21:54:11 +02:00
if ( $actor ) {
$activitypub_activity->set_actor( $actor );
}
$follower_inboxes = Followers::get_inboxes( $user_id );
$mentioned_inboxes = Mention::get_inboxes( $activitypub_activity->get_cc() );
$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes );
$inboxes = array_unique( $inboxes );
2023-02-02 01:42:15 +01:00
2023-04-24 20:46:51 +02:00
foreach ( $inboxes as $inbox ) {
2023-02-02 01:42:15 +01:00
$activity = $activitypub_activity->to_json();
2019-08-18 21:54:11 +02:00
2023-05-10 15:36:45 +02:00
safe_remote_post( $inbox, $activity, $user_id );
2019-08-18 21:54:11 +02:00
}
}
}