diff options
Diffstat (limited to 'vendor/aws/aws-sdk-php/src/S3/CalculatesChecksumTrait.php')
-rw-r--r-- | vendor/aws/aws-sdk-php/src/S3/CalculatesChecksumTrait.php | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/aws/aws-sdk-php/src/S3/CalculatesChecksumTrait.php b/vendor/aws/aws-sdk-php/src/S3/CalculatesChecksumTrait.php new file mode 100644 index 0000000..a8f5884 --- /dev/null +++ b/vendor/aws/aws-sdk-php/src/S3/CalculatesChecksumTrait.php @@ -0,0 +1,49 @@ +<?php +namespace Aws\S3; + +use AWS\CRT\CRT; +use Aws\Exception\CommonRuntimeException; +use GuzzleHttp\Psr7; +use InvalidArgumentException; + +trait CalculatesChecksumTrait +{ + /** + * @param string $requestedAlgorithm the algorithm to encode with + * @param string $value the value to be encoded + * @return string + */ + public static function getEncodedValue($requestedAlgorithm, $value) { + $requestedAlgorithm = strtolower($requestedAlgorithm); + $useCrt = extension_loaded('awscrt'); + if ($useCrt) { + switch ($requestedAlgorithm) { + case 'crc32c': + return CRT::crc32c($value); + case 'crc32': + return CRT::crc32($value); + case 'sha256': + case 'sha1': + return base64_encode(Psr7\Utils::hash($value, $requestedAlgorithm, true)); + default: + break; + throw new InvalidArgumentException( + "Invalid checksum requested: {$requestedAlgorithm}." + . " Valid algorithms are CRC32C, CRC32, SHA256, and SHA1." + ); + } + } else { + if ($requestedAlgorithm == 'crc32c') { + throw new CommonRuntimeException("crc32c is not supported for checksums " + . "without use of the common runtime for php. Please enable the CRT or choose " + . "a different algorithm." + ); + } + if ($requestedAlgorithm == "crc32") { + $requestedAlgorithm = "crc32b"; + } + return base64_encode(Psr7\Utils::hash($value, $requestedAlgorithm, true)); + } + } + +} |