2FAuth/app/Api/v1/Requests/TwoFAccountImportRequest.php

<?php

namespace App\Api\v1\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Facades\Auth;

class TwoFAccountImportRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return Auth::check();
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'payload' => 'required_without:file|string',
            'file'    => 'required_without:payload|mimes:txt,json,csv',
        ];
    }
}