122 lines
3.3 KiB
PHP
122 lines
3.3 KiB
PHP
<?php
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/**
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* Outbox Create 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\Interactions;
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use Activitypub\Collection\Posts;
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use function Activitypub\is_activity_public;
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use function Activitypub\is_activity_reply;
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use function Activitypub\is_quote_activity;
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/**
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* Handle outgoing Create activities (C2S).
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*/
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class Create {
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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_create', array( self::class, 'handle_create' ), 10, 3 );
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}
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/**
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* Handle outgoing "Create" activities from local actors.
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*
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* Creates WordPress content and adds to outbox for federation.
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*
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* @param array $activity The activity data.
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* @param int $user_id The local user ID.
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* @param string|null $visibility Content visibility.
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*
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* @return int|\WP_Error|false The outbox ID on success, WP_Error on failure, false if not handled.
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*/
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public static function handle_create( $activity, $user_id = null, $visibility = null ) {
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// Skip private/direct activities.
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if ( ! is_activity_public( $activity ) ) {
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return false;
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}
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$object = $activity['object'] ?? array();
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if ( ! \is_array( $object ) ) {
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return new \WP_Error( 'invalid_object', 'Invalid object in activity.' );
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}
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$object_type = $object['type'] ?? '';
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// Only handle Note and Article types for now.
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if ( ! \in_array( $object_type, array( 'Note', 'Article' ), true ) ) {
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return false;
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}
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if ( is_activity_reply( $activity ) ) {
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return self::create_comment( $activity, $user_id );
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}
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// TODO: Handle quotes differently.
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if ( is_quote_activity( $activity ) ) {
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return false;
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}
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return self::create_post( $activity, $user_id, $visibility );
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}
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/**
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* Handle outgoing post from local actor.
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*
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* Creates a WordPress post. The scheduler will add it to the outbox.
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*
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* @param array $activity The activity data.
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* @param int $user_id The local user ID.
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* @param string|null $visibility Content visibility.
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*
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* @return \WP_Post|\WP_Error The created post on success, WP_Error on failure.
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*/
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private static function create_post( $activity, $user_id, $visibility ) {
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$post = Posts::create( $activity, $user_id, $visibility );
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if ( \is_wp_error( $post ) ) {
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return $post;
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}
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/**
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* Fires after a post has been created from an outgoing Create activity.
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*
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* @param int $post_id The created post ID.
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* @param array $activity The activity data.
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* @param int $user_id The user ID.
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* @param string $visibility The content visibility.
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*/
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\do_action( 'activitypub_outbox_created_post', $post->ID, $activity, $user_id, $visibility );
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return $post;
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}
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/**
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* Handle outgoing reply from local actor.
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*
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* Creates a WordPress comment on the local post. The comment scheduler
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* will add it to the outbox and federate it.
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*
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* @param array $activity The activity data.
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* @param int $user_id The local user ID.
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*
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* @return \WP_Comment|false Comment on success, false if not a local reply.
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*/
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private static function create_comment( $activity, $user_id ) {
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$result = Interactions::add_comment( $activity, $user_id );
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if ( ! $result ) {
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return false;
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}
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return \get_comment( $result );
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}
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}
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