Test project for media files management.
<?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);
}