96 lines
2.3 KiB
PHP
96 lines
2.3 KiB
PHP
<?php
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/**
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* Outbox Add handler file.
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*
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* @package Activitypub
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*/
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namespace Activitypub\Handler\Outbox;
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use Activitypub\Collection\Actors;
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use function Activitypub\object_to_uri;
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/**
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* Handle outgoing Add activities.
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*
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* Supports adding objects to an actor's featured collection
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* by making the corresponding WordPress post sticky.
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*/
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class Add {
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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_filter( 'activitypub_outbox_add', array( self::class, 'handle_add' ), 10, 2 );
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}
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/**
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* Handle outgoing "Add" activities from local actors.
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*
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* When the target is the actor's featured collection, the referenced
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* post is made sticky. The sticky action triggers the scheduler which
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* creates the outbox entry automatically.
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*
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* @since 8.1.0
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*
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* @param array $data The activity data array.
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* @param int $user_id The user ID.
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*
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* @return \WP_Post|\WP_Error|array The post object on success, WP_Error on failure, or original data if unhandled.
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*/
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public static function handle_add( $data, $user_id = null ) {
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$object_uri = object_to_uri( $data['object'] ?? '' );
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$target = object_to_uri( $data['target'] ?? '' );
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if ( empty( $object_uri ) || empty( $target ) ) {
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return $data;
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}
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$actor = Actors::get_by_id( $user_id );
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if ( \is_wp_error( $actor ) ) {
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return $actor;
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}
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// Only handle featured collection targets.
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if ( $target !== $actor->get_featured() ) {
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return $data;
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}
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$post_id = \url_to_postid( $object_uri );
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if ( ! $post_id ) {
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return new \WP_Error(
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'activitypub_object_not_found',
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\__( 'The referenced object was not found.', 'activitypub' ),
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array( 'status' => 404 )
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);
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}
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$post = \get_post( $post_id );
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if ( ! $post ) {
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return new \WP_Error(
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'activitypub_object_not_found',
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\__( 'The referenced object was not found.', 'activitypub' ),
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array( 'status' => 404 )
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);
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}
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// Verify the user owns this post.
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if ( $user_id > 0 && (int) $post->post_author !== $user_id ) {
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return new \WP_Error(
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'activitypub_forbidden',
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\__( 'You can only feature your own posts.', 'activitypub' ),
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array( 'status' => 403 )
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);
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}
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// Making the post sticky triggers the scheduler which adds to outbox.
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\stick_post( $post_id );
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return $post;
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}
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}
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