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Direktori : /home2/selectio/public_html/limpiar.in.net/install/vendor/aws/aws-sdk-php/src/S3/ |
Current File : /home2/selectio/public_html/limpiar.in.net/install/vendor/aws/aws-sdk-php/src/S3/SSECMiddleware.php |
<?php namespace Aws\S3; use Aws\CommandInterface; use Psr\Http\Message\RequestInterface; /** * Simplifies the SSE-C process by encoding and hashing the key. * @internal */ class SSECMiddleware { private $endpointScheme; private $nextHandler; /** * Provide the URI scheme of the client sending requests. * * @param string $endpointScheme URI scheme (http/https). * * @return callable */ public static function wrap($endpointScheme) { return function (callable $handler) use ($endpointScheme) { return new self($endpointScheme, $handler); }; } public function __construct($endpointScheme, callable $nextHandler) { $this->nextHandler = $nextHandler; $this->endpointScheme = $endpointScheme; } public function __invoke( CommandInterface $command, RequestInterface $request = null ) { // Allows only HTTPS connections when using SSE-C if (($command['SSECustomerKey'] || $command['CopySourceSSECustomerKey']) && $this->endpointScheme !== 'https' ) { throw new \RuntimeException('You must configure your S3 client to ' . 'use HTTPS in order to use the SSE-C features.'); } // Prepare the normal SSE-CPK headers if ($command['SSECustomerKey']) { $this->prepareSseParams($command); } // If it's a copy operation, prepare the SSE-CPK headers for the source. if ($command['CopySourceSSECustomerKey']) { $this->prepareSseParams($command, 'CopySource'); } $f = $this->nextHandler; return $f($command, $request); } private function prepareSseParams(CommandInterface $command, $prefix = '') { // Base64 encode the provided key $key = $command[$prefix . 'SSECustomerKey']; $command[$prefix . 'SSECustomerKey'] = base64_encode($key); // Base64 the provided MD5 or, generate an MD5 if not provided if ($md5 = $command[$prefix . 'SSECustomerKeyMD5']) { $command[$prefix . 'SSECustomerKeyMD5'] = base64_encode($md5); } else { $command[$prefix . 'SSECustomerKeyMD5'] = base64_encode(md5($key, true)); } } }