pixelfed/app/Services/ActivityPubFetchService.php

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<?php
namespace App\Services;
use Zttp\Zttp;
use App\Profile;
use App\Util\ActivityPub\Helpers;
use App\Util\ActivityPub\HttpSignature;
class ActivityPubFetchService
{
public static function get($url)
{
if(!Helpers::validateUrl($url)) {
return 0;
}
$headers = HttpSignature::instanceActorSign($url, false, [
'Accept' => 'application/activity+json, application/json',
'User-Agent' => '(Pixelfed/'.config('pixelfed.version').'; +'.config('app.url').')'
]);
return Zttp::withHeaders($headers)
->timeout(30)
->get($url)
->body();
}
}