/usr/share/php/Aws/Common/HostNameUtils.php is in php-aws-sdk 2.7.2-1.
This file is owned by root:root, with mode 0o644.
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/**
* 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;
use Guzzle\Http\Url;
/**
* Utility class for parsing regions and services from URLs
*/
class HostNameUtils
{
const DEFAULT_REGION = 'us-east-1';
const DEFAULT_GOV_REGION = 'us-gov-west-1';
/**
* Parse the AWS region name from a URL
*
*
* @param Url $url HTTP URL
*
* @return string
* @link http://docs.aws.amazon.com/general/latest/gr/rande.html
*/
public static function parseRegionName(Url $url)
{
// If we don't recognize the domain, just return the default
if (substr($url->getHost(), -14) != '.amazonaws.com') {
return self::DEFAULT_REGION;
}
$serviceAndRegion = substr($url->getHost(), 0, -14);
// Special handling for S3 regions
$separator = strpos($serviceAndRegion, 's3') === 0 ? '-' : '.';
$separatorPos = strpos($serviceAndRegion, $separator);
// If don't detect a separator, then return the default region
if ($separatorPos === false) {
return self::DEFAULT_REGION;
}
$region = substr($serviceAndRegion, $separatorPos + 1);
// All GOV regions currently use the default GOV region
if ($region == 'us-gov') {
return self::DEFAULT_GOV_REGION;
}
return $region;
}
/**
* Parse the AWS service name from a URL
*
* @param Url $url HTTP URL
*
* @return string Returns a service name (or empty string)
* @link http://docs.aws.amazon.com/general/latest/gr/rande.html
*/
public static function parseServiceName(Url $url)
{
// The service name is the first part of the host
$parts = explode('.', $url->getHost(), 2);
// Special handling for S3
if (stripos($parts[0], 's3') === 0) {
return 's3';
}
return $parts[0];
}
}
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