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files >> /home/papecmvm/www/application/third_party/aws/aws/aws-sdk-php/src/S3/ApplyChecksumMiddleware.php
<?php namespace Aws\S3; use Aws\CommandInterface; use GuzzleHttp\Psr7; use Psr\Http\Message\RequestInterface; /** * Apply required or optional MD5s to requests before sending. * * IMPORTANT: This middleware must be added after the "build" step. * * @internal */ class ApplyChecksumMiddleware { private static $md5 = [ 'DeleteObjects', 'PutBucketCors', 'PutBucketLifecycle', 'PutBucketLifecycleConfiguration', 'PutBucketPolicy', 'PutBucketTagging', 'PutBucketReplication', 'PutObjectLegalHold', 'PutObjectRetention', 'PutObjectLockConfiguration', ]; private static $sha256 = [ 'PutObject', 'UploadPart', ]; private $nextHandler; /** * Create a middleware wrapper function. * * @return callable */ public static function wrap() { return function (callable $handler) { return new self($handler); }; } public function __construct(callable $nextHandler) { $this->nextHandler = $nextHandler; } public function __invoke( CommandInterface $command, RequestInterface $request ) { $next = $this->nextHandler; $name = $command->getName(); $body = $request->getBody(); if (in_array($name, self::$md5) && !$request->hasHeader('Content-MD5')) { // Set the content MD5 header for operations that require it. $request = $request->withHeader( 'Content-MD5', base64_encode(Psr7\hash($body, 'md5', true)) ); } elseif (in_array($name, self::$sha256) && $command['ContentSHA256']) { // Set the content hash header if provided in the parameters. $request = $request->withHeader( 'X-Amz-Content-Sha256', $command['ContentSHA256'] ); } return $next($command, $request); } }
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