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