pixelfed/app/Jobs/FollowPipeline/FollowAcceptPipeline.php

<?php

namespace App\Jobs\FollowPipeline;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;

use Cache, Log;
use Illuminate\Support\Facades\Redis;
use League\Fractal;
use League\Fractal\Serializer\ArraySerializer;
use App\FollowRequest;
use App\Util\ActivityPub\Helpers;
use App\Transformer\ActivityPub\Verb\AcceptFollow;

class FollowAcceptPipeline implements ShouldQueue
{
	use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

	protected $followRequest;

	/**
	 * Delete the job if its models no longer exist.
	 *
	 * @var bool
	 */
	public $deleteWhenMissingModels = true;

	/**
	 * Create a new job instance.
	 *
	 * @return void
	 */
	public function __construct(FollowRequest $followRequest)
	{
		$this->followRequest = $followRequest;
	}

	/**
	 * Execute the job.
	 *
	 * @return void
	 */
	public function handle()
	{
		$follow = $this->followRequest;
		$actor = $follow->actor;
		$target = $follow->target;

		if($actor->domain == null || $actor->inbox_url == null || !$target->private_key) {
			return;
		}

		$fractal = new Fractal\Manager();
		$fractal->setSerializer(new ArraySerializer());
		$resource = new Fractal\Resource\Item($follow, new AcceptFollow());
		$activity = $fractal->createData($resource)->toArray();
		$url = $actor->sharedInbox ?? $actor->inbox_url;

		Helpers::sendSignedObject($target, $url, $activity);

		$follow->delete();

		return;
	}
}