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<?php |
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/** |
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* Undo handler file. |
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* |
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* @package Activitypub |
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*/ |
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|
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namespace Activitypub\Handler; |
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|
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use Activitypub\Collection\Actors; |
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use Activitypub\Collection\Followers; |
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use Activitypub\Comment; |
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|
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use function Activitypub\object_to_uri; |
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|
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/** |
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* Handle Undo requests. |
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*/ |
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class Undo { |
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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( |
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'activitypub_inbox_undo', |
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array( self::class, 'handle_undo' ), |
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10, |
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2 |
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); |
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} |
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|
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/** |
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* Handle "Unfollow" requests. |
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* |
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* @param array $activity The JSON "Undo" Activity. |
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* @param int|null $user_id The ID of the user who initiated the "Undo" activity. |
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*/ |
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public static function handle_undo( $activity, $user_id ) { |
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if ( |
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! isset( $activity['object']['type'] ) || |
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! isset( $activity['object']['object'] ) |
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) { |
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return; |
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} |
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|
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$type = $activity['object']['type']; |
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$state = false; |
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|
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// Handle "Unfollow" requests. |
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if ( 'Follow' === $type ) { |
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$id = object_to_uri( $activity['object']['object'] ); |
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$user = Actors::get_by_resource( $id ); |
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|
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if ( ! $user || is_wp_error( $user ) ) { |
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// If we can not find a user, we can not initiate a follow process. |
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return; |
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} |
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|
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$user_id = $user->get__id(); |
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$actor = object_to_uri( $activity['actor'] ); |
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|
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$state = Followers::remove_follower( $user_id, $actor ); |
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} |
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|
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// Handle "Undo" requests for "Like" and "Create" activities. |
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if ( in_array( $type, array( 'Like', 'Create', 'Announce' ), true ) ) { |
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if ( ACTIVITYPUB_DISABLE_INCOMING_INTERACTIONS ) { |
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return; |
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} |
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|
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$object_id = object_to_uri( $activity['object'] ); |
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$comment = Comment::object_id_to_comment( esc_url_raw( $object_id ) ); |
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|
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if ( empty( $comment ) ) { |
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return; |
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} |
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|
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$state = wp_delete_comment( $comment, true ); |
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} |
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|
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/** |
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* Fires after an "Undo" activity has been handled. |
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* |
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* @param array $activity The JSON "Undo" Activity. |
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* @param int|null $user_id The ID of the user who initiated the "Undo" activity otherwise null. |
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* @param mixed $state The state of the "Undo" activity. |
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*/ |
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do_action( 'activitypub_handled_undo', $activity, $user_id, $state ); |
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} |
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} |
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|
