OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/19/2025 10:07:23 AM	rwxr-xr-x
📄 AmbiguousSuccessParser.php	2.3 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 ApplyChecksumMiddleware.php	4.98 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 BatchDelete.php	7.73 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 BucketEndpointArnMiddleware.php	14.04 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 BucketEndpointMiddleware.php	3.44 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 CalculatesChecksumTrait.php	1.84 KB	05/19/2025 10:07:23 AM	rw-r--r--
📁 Crypto	-	05/19/2025 10:07:23 AM	rwxr-xr-x
📄 EndpointRegionHelperTrait.php	3.26 KB	05/19/2025 10:07:23 AM	rw-r--r--
📁 Exception	-	05/19/2025 10:07:23 AM	rwxr-xr-x
📄 GetBucketLocationParser.php	1.34 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 MultipartCopy.php	9.06 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 MultipartUploader.php	6.3 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 MultipartUploadingTrait.php	4.24 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 ObjectCopier.php	5.99 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 ObjectUploader.php	5.52 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 PermanentRedirectMiddleware.php	1.76 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 PostObject.php	3.99 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 PostObjectV4.php	5.49 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 PutObjectUrlMiddleware.php	1.61 KB	05/19/2025 10:07:23 AM	rw-r--r--
📁 RegionalEndpoint	-	05/19/2025 10:07:23 AM	rwxr-xr-x
📄 RetryableMalformedResponseParser.php	1.47 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 S3Client.php	52.19 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 S3ClientInterface.php	14.47 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 S3ClientTrait.php	10.56 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 S3EndpointMiddleware.php	11.39 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 S3MultiRegionClient.php	19.96 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 S3UriParser.php	5.07 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 SSECMiddleware.php	2.31 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 StreamWrapper.php	31.65 KB	05/19/2025 10:07:23 AM	rw-r--r--
📄 Transfer.php	15.58 KB	05/19/2025 10:07:23 AM	rw-r--r--
📁 UseArnRegion	-	05/19/2025 10:07:23 AM	rwxr-xr-x
📄 ValidateResponseChecksumParser.php	5.23 KB	05/19/2025 10:07:23 AM	rw-r--r--

Editing: EndpointRegionHelperTrait.php

<?php
namespace Aws\S3;

use Aws\Api\Service;
use Aws\Arn\ArnInterface;
use Aws\Arn\S3\OutpostsArnInterface;
use Aws\Endpoint\PartitionEndpointProvider;
use Aws\Exception\InvalidRegionException;

/**
 * @internal
 */
trait EndpointRegionHelperTrait
{
    /** @var array */
    private $config;

/** @var PartitionEndpointProvider */
    private $partitionProvider;

/** @var string */
    private $region;

/** @var Service */
    private $service;

private function getPartitionSuffix(
        ArnInterface $arn,
        PartitionEndpointProvider $provider
    ) {
        $partition = $provider->getPartition(
            $arn->getRegion(),
            $arn->getService()
        );
        return $partition->getDnsSuffix();
    }

private function getSigningRegion(
        $region,
        $service,
        PartitionEndpointProvider $provider
    ) {
        $partition = $provider->getPartition($region, $service);
        $data = $partition->toArray();
        if (isset($data['services'][$service]['endpoints'][$region]['credentialScope']['region'])) {
            return $data['services'][$service]['endpoints'][$region]['credentialScope']['region'];
        }
        return $region;
    }

private function isMatchingSigningRegion(
        $arnRegion,
        $clientRegion,
        $service,
        PartitionEndpointProvider $provider
    ) {
        $arnRegion = \Aws\strip_fips_pseudo_regions(strtolower($arnRegion));
        $clientRegion = strtolower($clientRegion);
        if ($arnRegion === $clientRegion) {
            return true;
        }
        if ($this->getSigningRegion($clientRegion, $service, $provider) === $arnRegion) {
            return true;
        }
        return false;
    }

private function validateFipsConfigurations(ArnInterface $arn)
    {
        $useFipsEndpoint = !empty($this->config['use_fips_endpoint']);
        if ($arn instanceof OutpostsArnInterface) {
            if (empty($this->config['use_arn_region'])
                || !($this->config['use_arn_region']->isUseArnRegion())
            ) {
                $region = $this->region;
            } else {
                $region = $arn->getRegion();
            }
            if (\Aws\is_fips_pseudo_region($region)) {
                throw new InvalidRegionException(
                    'Fips is currently not supported with S3 Outposts access'
                    . ' points. Please provide a non-fips region or do not supply an'
                    . ' access point ARN.');
            }
        }
    }

private function validateMatchingRegion(ArnInterface $arn)
    {
        if (!($this->isMatchingSigningRegion(
            $arn->getRegion(),
            $this->region,
            $this->service->getEndpointPrefix(),
            $this->partitionProvider)
        )) {
            if (empty($this->config['use_arn_region'])
                || !($this->config['use_arn_region']->isUseArnRegion())
            ) {
                throw new InvalidRegionException('The region'
                    . " specified in the ARN (" . $arn->getRegion()
                    . ") does not match the client region ("
                    . "{$this->region}).");
            }
        }
    }
}