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<?php /** * Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. */ namespace DuplicatorPro\Aws\Common\Signature; use DuplicatorPro\Aws\Common\Credentials\CredentialsInterface; use DuplicatorPro\Aws\Common\Enum\DateFormat; use DuplicatorPro\Guzzle\Http\Message\RequestInterface; /** * Implementation of Signature Version 3 HTTPS * @link http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/RESTAuthentication.html */ class SignatureV3Https extends AbstractSignature { public function signRequest(RequestInterface $request, CredentialsInterface $credentials) { // Add a date header if one is not set if (!$request->hasHeader('date') && !$request->hasHeader('x-amz-date')) { $request->setHeader('Date', gmdate(DateFormat::RFC1123, $this->getTimestamp())); } // Add the security token if one is present if ($credentials->getSecurityToken()) { $request->setHeader('x-amz-security-token', $credentials->getSecurityToken()); } // Determine the string to sign $stringToSign = (string) ($request->getHeader('Date') ?: $request->getHeader('x-amz-date')); $request->getParams()->set('aws.string_to_sign', $stringToSign); // Calculate the signature $signature = base64_encode(hash_hmac('sha256', $stringToSign, $credentials->getSecretKey(), true)); // Add the authorization header to the request $headerFormat = 'AWS3-HTTPS AWSAccessKeyId=%s,Algorithm=HmacSHA256,Signature=%s'; $request->setHeader('X-Amzn-Authorization', sprintf($headerFormat, $credentials->getAccessKeyId(), $signature)); } }