OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/19/2025 10:07:21 AM	rwxr-xr-x
📄 AmbiguousSuccessParser.php	2.3 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 ApplyChecksumMiddleware.php	4.98 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 BatchDelete.php	7.73 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 BucketEndpointArnMiddleware.php	14.04 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 BucketEndpointMiddleware.php	3.44 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 CalculatesChecksumTrait.php	1.84 KB	05/19/2025 10:07:20 AM	rw-r--r--
📁 Crypto	-	05/19/2025 10:07:20 AM	rwxr-xr-x
📄 EndpointRegionHelperTrait.php	3.26 KB	05/19/2025 10:07:20 AM	rw-r--r--
📁 Exception	-	05/19/2025 10:07:20 AM	rwxr-xr-x
📄 GetBucketLocationParser.php	1.34 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 MultipartCopy.php	9.06 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 MultipartUploader.php	6.3 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 MultipartUploadingTrait.php	4.24 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 ObjectCopier.php	5.99 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 ObjectUploader.php	5.52 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 PermanentRedirectMiddleware.php	1.76 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 PostObject.php	3.99 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 PostObjectV4.php	5.49 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 PutObjectUrlMiddleware.php	1.61 KB	05/19/2025 10:07:20 AM	rw-r--r--
📁 RegionalEndpoint	-	05/19/2025 10:07:20 AM	rwxr-xr-x
📄 RetryableMalformedResponseParser.php	1.47 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 S3Client.php	52.19 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 S3ClientInterface.php	14.47 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 S3ClientTrait.php	10.56 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 S3EndpointMiddleware.php	11.39 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 S3MultiRegionClient.php	19.96 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 S3UriParser.php	5.07 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 SSECMiddleware.php	2.31 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 StreamWrapper.php	31.65 KB	05/19/2025 10:07:20 AM	rw-r--r--
📄 Transfer.php	15.58 KB	05/19/2025 10:07:20 AM	rw-r--r--
📁 UseArnRegion	-	05/19/2025 10:07:20 AM	rwxr-xr-x
📄 ValidateResponseChecksumParser.php	5.23 KB	05/19/2025 10:07:20 AM	rw-r--r--

Editing: BucketEndpointMiddleware.php

<?php
namespace Aws\S3;

use Aws\CommandInterface;
use Psr\Http\Message\RequestInterface;

/**
 * Used to update the host used for S3 requests in the case of using a
 * "bucket endpoint" or CNAME bucket.
 *
 * IMPORTANT: this middleware must be added after the "build" step.
 *
 * @internal
 */
class BucketEndpointMiddleware
{
    private static $exclusions = ['GetBucketLocation' => true];
    private $nextHandler;

/**
     * Create a middleware wrapper function.
     *
     * @return callable
     */
    public static function wrap()
    {
        return function (callable $handler) {
            return new self($handler);
        };
    }

public function __construct(callable $nextHandler)
    {
        $this->nextHandler = $nextHandler;
    }

public function __invoke(CommandInterface $command, RequestInterface $request)
    {
        $nextHandler = $this->nextHandler;
        $bucket = $command['Bucket'];

if ($bucket && !isset(self::$exclusions[$command->getName()])) {
            $request = $this->modifyRequest($request, $command);
        }

return $nextHandler($command, $request);
    }

/**
     * Performs a one-time removal of Bucket from path, then if
     * the bucket name is duplicated in the path, performs additional
     * removal which is dependent on the number of occurrences of the bucket
     * name in a path-like format in the key name.
     *
     * @return string
     */
    private function removeBucketFromPath($path, $bucket, $key)
    {
        $occurrencesInKey = $this->getBucketNameOccurrencesInKey($key, $bucket);
        do {
            $len = strlen($bucket) + 1;
            if (substr($path, 0, $len) === "/{$bucket}") {
                $path = substr($path, $len);
            }
        } while (substr_count($path, "/{$bucket}") > $occurrencesInKey + 1);

return $path ?: '/';
    }

private function removeDuplicateBucketFromHost($host, $bucket)
    {
        if (substr_count($host, $bucket) > 1) {
            while (strpos($host, "{$bucket}.{$bucket}") === 0) {
                $hostArr = explode('.', $host);
                array_shift($hostArr);
                $host = implode('.', $hostArr);
            }
        }
        return $host;
    }

private function getBucketNameOccurrencesInKey($key, $bucket)
    {
        $occurrences = 0;
        if (empty($key)) {
            return $occurrences;
        }

$segments = explode('/', $key);
        foreach($segments as $segment) {
            if (strpos($segment, $bucket) === 0) {
                $occurrences++;
            }
        }
        return $occurrences;
    }

private function modifyRequest(
        RequestInterface $request,
        CommandInterface $command
    ) {
        $key = isset($command['Key']) ? $command['Key'] : null;
        $uri = $request->getUri();
        $path = $uri->getPath();
        $host = $uri->getHost();
        $bucket = $command['Bucket'];
        $path = $this->removeBucketFromPath($path, $bucket, $key);
        $host = $this->removeDuplicateBucketFromHost($host, $bucket);

// Modify the Key to make sure the key is encoded, but slashes are not.
        if ($key) {
            $path = S3Client::encodeKey(rawurldecode($path));
        }

return $request->withUri(
            $uri->withHost($host)
                ->withPath($path)
        );
    }
}