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efrain |
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<?php
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namespace Aws\S3;
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use Aws\Api\Service;
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use Aws\Arn\ArnInterface;
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use Aws\Arn\S3\OutpostsArnInterface;
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use Aws\Endpoint\PartitionEndpointProvider;
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use Aws\Exception\InvalidRegionException;
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/**
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* @internal
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*/
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trait EndpointRegionHelperTrait
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{
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/** @var array */
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private $config;
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/** @var PartitionEndpointProvider */
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private $partitionProvider;
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/** @var string */
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private $region;
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/** @var Service */
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private $service;
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private function getPartitionSuffix(
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ArnInterface $arn,
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PartitionEndpointProvider $provider
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) {
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$partition = $provider->getPartition(
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$arn->getRegion(),
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$arn->getService()
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);
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return $partition->getDnsSuffix();
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}
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private function getSigningRegion(
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$region,
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$service,
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PartitionEndpointProvider $provider
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) {
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$partition = $provider->getPartition($region, $service);
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$data = $partition->toArray();
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if (isset($data['services'][$service]['endpoints'][$region]['credentialScope']['region'])) {
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return $data['services'][$service]['endpoints'][$region]['credentialScope']['region'];
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}
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return $region;
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}
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private function isMatchingSigningRegion(
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$arnRegion,
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$clientRegion,
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$service,
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PartitionEndpointProvider $provider
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) {
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$arnRegion = \Aws\strip_fips_pseudo_regions(strtolower($arnRegion));
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$clientRegion = strtolower($clientRegion);
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if ($arnRegion === $clientRegion) {
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return true;
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}
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if ($this->getSigningRegion($clientRegion, $service, $provider) === $arnRegion) {
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return true;
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}
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return false;
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}
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private function validateFipsConfigurations(ArnInterface $arn)
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{
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$useFipsEndpoint = !empty($this->config['use_fips_endpoint']);
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if ($arn instanceof OutpostsArnInterface) {
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if (empty($this->config['use_arn_region'])
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|| !($this->config['use_arn_region']->isUseArnRegion())
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) {
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$region = $this->region;
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} else {
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$region = $arn->getRegion();
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}
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if (\Aws\is_fips_pseudo_region($region)) {
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throw new InvalidRegionException(
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'Fips is currently not supported with S3 Outposts access'
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. ' points. Please provide a non-fips region or do not supply an'
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. ' access point ARN.');
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}
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}
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}
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private function validateMatchingRegion(ArnInterface $arn)
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{
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if (!($this->isMatchingSigningRegion(
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$arn->getRegion(),
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$this->region,
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$this->service->getEndpointPrefix(),
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$this->partitionProvider)
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)) {
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if (empty($this->config['use_arn_region'])
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|| !($this->config['use_arn_region']->isUseArnRegion())
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) {
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throw new InvalidRegionException('The region'
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. " specified in the ARN (" . $arn->getRegion()
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. ") does not match the client region ("
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. "{$this->region}).");
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}
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}
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}
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}
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