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<?php |
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declare(strict_types=1); |
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|
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namespace League\Flysystem; |
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|
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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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|
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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, $stream); |
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|
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return hash_final($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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/** |
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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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|
