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<?php |
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namespace Activitypub\Handler; |
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|
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use Activitypub\Collection\Users; |
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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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); |
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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 $user_id The ID of the ID of the WordPress User |
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*/ |
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public static function handle_undo( $activity ) { |
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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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|
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// Handle "Unfollow" requests |
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if ( 'Follow' === $type ) { |
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$user_id = object_to_uri( $activity['object']['object'] ); |
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$user = Users::get_by_resource( $user_id ); |
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|
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if ( ! $user || is_wp_error( $user ) ) { |
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// If we can not find a user, |
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// we can not initiate a follow process |
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return; |
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} |
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|
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$user_id = $user->get__id(); |
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$actor = object_to_uri( $activity['actor'] ); |
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|
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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_trash_comment( $comment ); |
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|
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do_action( 'activitypub_handled_undo', $activity, $user_id, isset( $state ) ? $state : null, null ); |
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} |
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} |
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} |
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|
