134 lines
4.0 KiB
PHP
134 lines
4.0 KiB
PHP
<?php
|
|
/**
|
|
* Announce handler file.
|
|
*
|
|
* @package Activitypub
|
|
*/
|
|
|
|
namespace Activitypub\Handler;
|
|
|
|
use Activitypub\Collection\Actors;
|
|
use Activitypub\Collection\Interactions;
|
|
use Activitypub\Comment;
|
|
use Activitypub\Http;
|
|
|
|
use function Activitypub\is_activity;
|
|
use function Activitypub\is_activity_public;
|
|
use function Activitypub\object_to_uri;
|
|
|
|
/**
|
|
* Handle Create requests.
|
|
*/
|
|
class Announce {
|
|
/**
|
|
* Initialize the class, registering WordPress hooks.
|
|
*/
|
|
public static function init() {
|
|
\add_action( 'activitypub_inbox_announce', array( self::class, 'handle_announce' ), 10, 3 );
|
|
}
|
|
|
|
/**
|
|
* Handles "Announce" requests.
|
|
*
|
|
* @param array $announcement The activity-object.
|
|
* @param int|int[] $user_ids The id(s) of the local blog-user(s).
|
|
* @param \Activitypub\Activity\Activity $activity The activity object.
|
|
*/
|
|
public static function handle_announce( $announcement, $user_ids, $activity = null ) {
|
|
// Check if Activity is public or not.
|
|
if ( ! is_activity_public( $announcement ) ) {
|
|
// @todo maybe send email
|
|
return;
|
|
}
|
|
|
|
// Ignore announces from the blog actor.
|
|
if ( Actors::BLOG_USER_ID === Actors::get_id_by_resource( $announcement['actor'] ) ) {
|
|
return;
|
|
}
|
|
|
|
// Check if reposts are allowed.
|
|
if ( ! Comment::is_comment_type_enabled( 'repost' ) ) {
|
|
return;
|
|
}
|
|
|
|
self::maybe_save_announce( $announcement, $user_ids );
|
|
|
|
if ( is_string( $announcement['object'] ) ) {
|
|
$object = Http::get_remote_object( $announcement['object'] );
|
|
} else {
|
|
$object = $announcement['object'];
|
|
}
|
|
|
|
if ( ! $object || is_wp_error( $object ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( ! is_activity( $object ) ) {
|
|
return;
|
|
}
|
|
|
|
$type = \strtolower( $object['type'] );
|
|
|
|
/**
|
|
* Fires after an Announce has been received.
|
|
*
|
|
* @param array $object The object.
|
|
* @param int[] $user_ids The ids of the local blog-users.
|
|
* @param string $type The type of the activity.
|
|
* @param \Activitypub\Activity\Activity|null $activity The activity object.
|
|
*/
|
|
\do_action( 'activitypub_inbox', $object, (array) $user_ids, $type, $activity );
|
|
|
|
/**
|
|
* Fires after an Announce of a specific type has been received.
|
|
*
|
|
* @param array $object The object.
|
|
* @param int[] $user_ids The ids of the local blog-users.
|
|
* @param \Activitypub\Activity\Activity|null $activity The activity object.
|
|
*/
|
|
\do_action( "activitypub_inbox_{$type}", $object, (array) $user_ids, $activity );
|
|
}
|
|
|
|
/**
|
|
* Try to save the Announce.
|
|
*
|
|
* @param array $activity The activity-object.
|
|
* @param int|int[] $user_ids The id of the local blog-user.
|
|
*/
|
|
public static function maybe_save_announce( $activity, $user_ids ) {
|
|
$url = object_to_uri( $activity );
|
|
|
|
if ( empty( $url ) ) {
|
|
return;
|
|
}
|
|
|
|
$exists = Comment::object_id_to_comment( esc_url_raw( $url ) );
|
|
if ( $exists ) {
|
|
return;
|
|
}
|
|
|
|
// If the object is a Create activity, extract the actual object from it.
|
|
if ( isset( $activity['object']['type'] ) && 'Create' === $activity['object']['type'] ) {
|
|
$activity['object'] = object_to_uri( $activity['object']['object'] );
|
|
}
|
|
|
|
$success = false;
|
|
$result = Interactions::add_reaction( $activity );
|
|
|
|
if ( $result && ! is_wp_error( $result ) ) {
|
|
$success = true;
|
|
$result = get_comment( $result );
|
|
}
|
|
|
|
/**
|
|
* Fires after an ActivityPub Announce activity has been handled.
|
|
*
|
|
* @param array $activity The ActivityPub activity data.
|
|
* @param int[] $user_ids The local user IDs.
|
|
* @param bool $success True on success, false otherwise.
|
|
* @param array|string|int|\WP_Error|false $result The WP_Comment object of the created announce/repost comment, or null if creation failed.
|
|
*/
|
|
\do_action( 'activitypub_handled_announce', $activity, (array) $user_ids, $success, $result );
|
|
}
|
|
}
|