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<?php |
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/** |
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* Like 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\Interactions; |
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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 Like requests. |
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*/ |
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class Like { |
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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( 'activitypub_inbox_like', array( self::class, 'handle_like' ), 10, 2 ); |
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\add_filter( 'activitypub_get_outbox_activity', array( self::class, 'outbox_activity' ) ); |
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} |
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|
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/** |
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* Handles "Like" requests. |
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* |
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* @param array $like The Activity array. |
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* @param int|int[] $user_ids The user ID(s). |
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*/ |
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public static function handle_like( $like, $user_ids ) { |
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if ( ! Comment::is_comment_type_enabled( 'like' ) ) { |
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return; |
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} |
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|
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$url = object_to_uri( $like['object'] ); |
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|
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if ( empty( $url ) ) { |
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return; |
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} |
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|
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/* |
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* Dedupe on the Like activity ID (its source_id), not the liked object, so repeat |
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* deliveries stay idempotent even when a mangled author name defeats WordPress's own |
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* duplicate check. Match any status, so a like that was marked as spam or trashed |
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* still counts as seen. See https://github.com/Automattic/wordpress-activitypub/issues/3215. |
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*/ |
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$exists = Comment::object_id_to_comment( \esc_url_raw( object_to_uri( $like ) ), array( 'status' => 'any' ) ); |
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if ( $exists ) { |
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return; |
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} |
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|
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$success = false; |
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$result = Interactions::add_reaction( $like ); |
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|
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if ( $result && ! \is_wp_error( $result ) ) { |
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$success = true; |
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$result = \get_comment( $result ); |
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} |
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|
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/** |
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* Fires after an ActivityPub Like activity has been handled. |
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* |
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* @param array $like The ActivityPub activity data. |
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* @param int[] $user_ids The local user IDs. |
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* @param bool $success True on success, false otherwise. |
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* @param array|false|int|string|\WP_Comment|\WP_Error $result The WP_Comment object of the created like comment, or null if creation failed. |
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*/ |
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\do_action( 'activitypub_handled_like', $like, (array) $user_ids, $success, $result ); |
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} |
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|
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/** |
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* Set the object to the object ID. |
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* |
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* @param \Activitypub\Activity\Activity $activity The Activity object. |
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* @return \Activitypub\Activity\Activity The filtered Activity object. |
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*/ |
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public static function outbox_activity( $activity ) { |
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if ( 'Like' === $activity->get_type() ) { |
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$activity->set_object( object_to_uri( $activity->get_object() ) ); |
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} |
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|
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return $activity; |
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} |
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} |
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