62 lines
1.7 KiB
PHP
62 lines
1.7 KiB
PHP
<?php
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namespace Aws\Arn;
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use Aws\Arn\S3\AccessPointArn as S3AccessPointArn;
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use Aws\Arn\S3\OutpostsBucketArn;
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use Aws\Arn\S3\RegionalBucketArn;
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use Aws\Arn\S3\OutpostsAccessPointArn;
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/**
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* This class provides functionality to parse ARN strings and return a
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* corresponding ARN object. ARN-parsing logic may be subject to change in the
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* future, so this should not be relied upon for external customer usage.
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*
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* @internal
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*/
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class ArnParser
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{
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/**
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* @param $string
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* @return bool
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*/
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public static function isArn($string)
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{
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return strpos($string, 'arn:') === 0;
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}
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/**
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* Parses a string and returns an instance of ArnInterface. Returns a
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* specific type of Arn object if it has a specific class representation
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* or a generic Arn object if not.
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*
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* @param $string
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* @return ArnInterface
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*/
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public static function parse($string)
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{
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$data = Arn::parse($string);
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$resource = self::explodeResourceComponent($data['resource']);
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if ($resource[0] === 'outpost') {
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if (isset($resource[2]) && $resource[2] === 'bucket') {
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return new OutpostsBucketArn($string);
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}
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if (isset($resource[2]) && $resource[2] === 'accesspoint') {
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return new OutpostsAccessPointArn($string);
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}
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}
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if ($resource[0] === 'accesspoint') {
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if ($data['service'] === 's3') {
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return new S3AccessPointArn($string);
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}
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return new AccessPointArn($string);
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}
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return new Arn($data);
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}
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private static function explodeResourceComponent($resource)
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{
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return preg_split("/[\/:]/", $resource);
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}
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}
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