Subversion-Projekte lars-tiefland.laravel_shop

<?php

declare(strict_types=1);

namespace League\Flysystem;

use function hash_final;

use function hash_init;

use function hash_update_stream;

trait CalculateChecksumFromStream

{

    private function calculateChecksumFromStream(string $path, Config $config): string

    {

        try {

            $stream = $this->readStream($path);

            $algo = (string) $config->get('checksum_algo', 'md5');

            $context = hash_init($algo);

            hash_update_stream($context, $stream);

            return hash_final($context);

        } catch (FilesystemException $exception) {

            throw new UnableToProvideChecksum($exception->getMessage(), $path, $exception);

        }

    }

    /**

     * @return resource

     */

    abstract public function readStream(string $path);

}