wordpress-activitypub/includes/class-activity-dispatcher.php
2023-07-05 16:16:31 +02:00

145 lines
3.9 KiB
PHP

<?php
namespace Activitypub;
use WP_Post;
use Activitypub\Activity\Activity;
use Activitypub\Collection\Users;
use Activitypub\Collection\Followers;
use Activitypub\Transformer\Post;
use function Activitypub\is_user_disabled;
use function Activitypub\safe_remote_post;
/**
* ActivityPub Activity_Dispatcher Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/
*/
class Activity_Dispatcher {
/**
* Initialize the class, registering WordPress hooks.
*/
public static function init() {
\add_action( 'activitypub_send_activity', array( self::class, 'send_user_activity' ), 10, 2 );
\add_action( 'activitypub_send_activity', array( self::class, 'send_blog_activity' ), 10, 2 );
}
/**
* Send Activities to followers and mentioned users.
*
* @param WP_Post $wp_post The ActivityPub Post.
* @param string $type The Activity-Type.
*
* @return void
*/
public static function send_user_activity( WP_Post $wp_post, $type ) {
// check if a migration is needed before sending new posts
Migration::maybe_migrate();
if ( is_user_disabled( $wp_post->post_author ) ) {
return;
}
$object = Post::transform( $wp_post )->to_object();
$activity = new Activity();
$activity->set_type( $type );
$activity->set_object( $object );
$user_id = $wp_post->post_author;
$follower_inboxes = Followers::get_inboxes( $user_id );
$mentioned_inboxes = Mention::get_inboxes( $activity->get_cc() );
$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes );
$inboxes = array_unique( $inboxes );
$json = $activity->to_json();
foreach ( $inboxes as $inbox ) {
safe_remote_post( $inbox, $json, $user_id );
}
}
/**
* Send Activities to followers and mentioned users.
*
* @param WP_Post $wp_post The ActivityPub Post.
* @param string $type The Activity-Type.
*
* @return void
*/
public static function send_blog_activity( WP_Post $wp_post, $type ) {
// check if a migration is needed before sending new posts
Migration::maybe_migrate();
if ( is_user_disabled( Users::BLOG_USER_ID ) ) {
return;
}
$user = Users::get_by_id( Users::BLOG_USER_ID );
$object = Post::transform( $wp_post )->to_object();
$object->set_attributed_to( $user->get_id() );
$activity = new Activity();
$activity->set_type( $type );
$activity->set_actor( $user->get_id() );
$activity->set_object( $object );
$user_id = Users::BLOG_USER_ID;
$follower_inboxes = Followers::get_inboxes( $user_id );
$mentioned_inboxes = Mention::get_inboxes( $activity->get_cc() );
$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes );
$inboxes = array_unique( $inboxes );
$json = $activity->to_json();
foreach ( $inboxes as $inbox ) {
safe_remote_post( $inbox, $json, $user_id );
}
}
/**
* Send Activities to followers and mentioned users.
*
* @param WP_Post $wp_post The ActivityPub Post.
* @param string $type The Activity-Type.
*
* @return void
*/
public static function send_blog_announce_activity( WP_Post $wp_post, $type ) {
// check if a migration is needed before sending new posts
Migration::maybe_migrate();
if ( is_user_disabled( Users::BLOG_USER_ID ) ) {
return;
}
$user = Users::get_by_id( Users::BLOG_USER_ID );
$object = Post::transform( $wp_post )->to_object();
$activity = new Activity();
$activity->set_type( 'Announce' );
$activity->set_actor( $user->get_id() );
$activity->set_object( $object );
$activity->set_object( $object->get_id() );
$user_id = Users::BLOG_USER_ID;
$follower_inboxes = Followers::get_inboxes( $user_id );
$mentioned_inboxes = Mention::get_inboxes( $activity->get_cc() );
$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes );
$inboxes = array_unique( $inboxes );
$json = $activity->to_json();
foreach ( $inboxes as $inbox ) {
safe_remote_post( $inbox, $json, $user_id );
}
}
}