31 lines
793 B
PHP
Executable File
31 lines
793 B
PHP
Executable File
<?php
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declare(strict_types=1);
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namespace League\Flysystem;
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use function hash_final;
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use function hash_init;
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use function hash_update_stream;
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trait CalculateChecksumFromStream
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{
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private function calculateChecksumFromStream(string $path, Config $config): string
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{
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try {
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$stream = $this->readStream($path);
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$algo = (string) $config->get('checksum_algo', 'md5');
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$context = hash_init($algo);
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hash_update_stream($context, $stream);
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return hash_final($context);
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} catch (FilesystemException $exception) {
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throw new UnableToProvideChecksum($exception->getMessage(), $path, $exception);
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}
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}
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/**
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* @return resource
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*/
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abstract public function readStream(string $path);
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}
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