includes/activitypub/handler/class-join.php

@@ -1,137 +0,0 @@
-<?php
-/**
- * Join handler file.
- *
- * @package ActivityPub_Event_Bridge
- * @license AGPL-3.0-or-later
- */
-
-namespace ActivityPub_Event_Bridge\Activitypub\Handler;
-
-use Activitypub\Activity\Activity;
-use Activitypub\Collection\Actors;
-use Activitypub\Http;
-use Activitypub\Transformer\Factory;
-use ActivityPub_Event_Bridge\Activitypub\Transformer\Event as Event_Transformer;
-
-use function Activitypub\is_same_domain;
-use function Activitypub\object_to_uri;
-
-/**
- * Handle Join requests.
- */
-class Join {
-	/**
-	 * Initialize the class, registering WordPress hooks.
-	 */
-	public static function init() {
-		\add_action(
-			'activitypub_inbox_join',
-			array( self::class, 'handle_join' )
-		);
-
-		\add_action(
-			'activitypub_event_bridge_ignore_join',
-			array( self::class, 'send_ignore_response' ),
-			10,
-			4
-		);
-	}
-
-	/**
-	 * Handle ActivityPub "Join" requests.
-	 *
-	 * @param array $activity The activity object.
-	 */
-	public static function handle_follow( $activity ) {
-		$actor = Actors::get_by_resource( $activity['actor'] );
-
-		if ( ! $actor || is_wp_error( $actor ) ) {
-			// If we can not find a user, we can not proceed the join process.
-			return;
-		}
-
-		if ( ! array_key_exists( 'object', $activity ) ) {
-			// If the object is not set, we can not proceed the join process.
-			return;
-		}
-
-		$object_id = object_to_uri( $activity['object'] );
-
-		if ( ! is_same_domain( $object_id ) ) {
-			// If the "Join" object is not owned by this WordPress site, abort.
-			return;
-		}
-
-		$post_id = url_to_postid( $object_id );
-
-		if ( ! $post_id ) {
-			// No post is found for this URL/ID.
-			return;
-		}
-
-		$transformer = Factory::get_transformer( get_post( $post_id ) );
-
-		if ( ! $transformer instanceof Event_Transformer ) {
-			// The target post is not an event post.
-			return;
-		}
-
-		// Pass over to Event plugin specific handler if implemented here.
-		// Until then just send an ignore.
-
-		do_action(
-			'activitypub_event_bridge_ignore_join',
-			$transformer->get_actor_object()->get_id(),
-			$activity,
-		);
-	}
-
-	/**
-	 * Send "Ignore" response.
-	 *
-	 * @param string  $actor            The actors ActivityPub ID which sends the response.
-	 * @param array   $activity_object  The Activity object that gets ignored.
-	 * @param string  $to               The target actor.
-	 */
-	public static function send_ignore_response( $actor, $activity_object, $to = null ) {
-		if ( ! $to && array_key_exists( 'actor', $activity_object ) ) {
-			$to = object_to_uri( $activity_object['actor'] );
-		}
-
-		if ( ! $to ) {
-			return;
-		}
-
-		// Only send minimal data.
-		$activity_object = array_intersect_key(
-			$activity_object,
-			array_flip(
-				array(
-					'id',
-					'type',
-					'actor',
-					'object',
-				)
-			)
-		);
-
-		$to    = Actors::get_by_resource( $to );
-		$actor = Actors::get_by_resource( $actor );
-
-		// Get inbox.
-		$inbox = $to->get_shared_inbox();
-
-		// Send "Ignore" activity.
-		$activity = new Activity();
-		$activity->set_type( 'Ignore' );
-		$activity->set_object( $activity_object );
-		$activity->set_actor( $actor->get_id() );
-		$activity->set_to( $to );
-		$activity->set_id( $actor->get_id() . '#ignore-' . \preg_replace( '~^https?://~', '', $activity_object['id'] ) );
-
-		$activity = $activity->to_json();
-
-		Http::post( $inbox, $activity, $actor->get__id() );
-	}
-}

includes/class-setup.php

@@ -15,7 +15,6 @@ namespace ActivityPub_Event_Bridge;
 // Exit if accessed directly.
 defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
 
-use ActivityPub_Event_Bridge\ActivityPub\Handler\Join;
 use ActivityPub_Event_Bridge\Admin\Event_Plugin_Admin_Notices;
 use ActivityPub_Event_Bridge\Admin\General_Admin_Notices;
 use ActivityPub_Event_Bridge\Admin\Health_Check;
@@ -188,10 +187,6 @@ class Setup {
 			return;
 		}
 
-		// Register the handler for incoming ActivityPub "Join" activities.
-		add_action( 'init', array( Join::class, 'init' ) );
-
-		// Register the custom ActivityPub transformers.
 		add_filter( 'activitypub_transformer', array( $this, 'register_activitypub_event_transformer' ), 10, 3 );
 	}