panel/app/Http/Requests/Api/Client/Servers/Files/DownloadFileRequest.php

<?php

namespace App\Http\Requests\Api\Client\Servers\Files;

use App\Models\Server;
use App\Http\Requests\Api\Client\ClientApiRequest;

class DownloadFileRequest extends ClientApiRequest
{
    /**
     * Ensure that the user making this request has permission to download files
     * from this server.
     */
    public function authorize(): bool
    {
        return $this->user()->can('file.read', $this->parameter('server', Server::class));
    }
}