nextcloud/apps/files_external/3rdparty/aws-sdk-php/Aws/Common/Credentials/RefreshableInstanceProfileC...

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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 Aws\Common\Credentials;
use Aws\Common\InstanceMetadata\InstanceMetadataClient;
use Aws\Common\Exception\InstanceProfileCredentialsException;
/**
* Credentials decorator used to implement retrieving credentials from the
* EC2 metadata server
*/
class RefreshableInstanceProfileCredentials extends AbstractRefreshableCredentials
{
/**
* @var InstanceMetadataClient
*/
protected $client;
/**
* Constructs a new instance profile credentials decorator
*
* @param CredentialsInterface $credentials Credentials to adapt
* @param InstanceMetadataClient $client Client used to get new credentials
*/
public function __construct(CredentialsInterface $credentials, InstanceMetadataClient $client = null)
{
$this->credentials = $credentials;
$this->client = $client ?: InstanceMetadataClient::factory();
}
/**
* Attempt to get new credentials from the instance profile
*
* @throws InstanceProfileCredentialsException On error
*/
protected function refresh()
{
$credentials = $this->client->getInstanceProfileCredentials();
// Expire the token 1 minute before it actually expires to pre-fetch before expiring
$this->credentials->setAccessKeyId($credentials->getAccessKeyId())
->setSecretKey($credentials->getSecretKey())
->setSecurityToken($credentials->getSecurityToken())
->setExpiration($credentials->getExpiration());
}
}