installed plugin Infinite Uploads version 2.0.8
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191
wp-content/plugins/infinite-uploads/vendor/Aws3/Aws/S3/S3EndpointMiddleware.php
vendored
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191
wp-content/plugins/infinite-uploads/vendor/Aws3/Aws/S3/S3EndpointMiddleware.php
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<?php
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namespace UglyRobot\Infinite_Uploads\Aws\S3;
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use UglyRobot\Infinite_Uploads\Aws\Arn\ArnParser;
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use UglyRobot\Infinite_Uploads\Aws\CommandInterface;
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use UglyRobot\Infinite_Uploads\Aws\Endpoint\EndpointProvider;
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use UglyRobot\Infinite_Uploads\Aws\Endpoint\PartitionEndpointProvider;
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use UglyRobot\Infinite_Uploads\GuzzleHttp\Exception\InvalidArgumentException;
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use UglyRobot\Infinite_Uploads\GuzzleHttp\Psr7\Uri;
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use UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface;
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/**
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* Used to update the URL used for S3 requests to support:
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* S3 Accelerate, S3 DualStack or Both. It will build to
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* host style paths unless specified, including for S3
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* DualStack.
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*
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* IMPORTANT: this middleware must be added after the "build" step.
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*
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* @internal
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*/
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class S3EndpointMiddleware
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{
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private static $exclusions = ['CreateBucket' => true, 'DeleteBucket' => true, 'ListBuckets' => true];
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const NO_PATTERN = 0;
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const DUALSTACK = 1;
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const ACCELERATE = 2;
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const ACCELERATE_DUALSTACK = 3;
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const PATH_STYLE = 4;
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const HOST_STYLE = 5;
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/** @var bool */
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private $accelerateByDefault;
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/** @var bool */
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private $dualStackByDefault;
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/** @var bool */
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private $pathStyleByDefault;
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/** @var string */
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private $region;
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/** @var callable */
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private $endpointProvider;
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/** @var callable */
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private $nextHandler;
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/** @var string */
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private $endpoint;
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/**
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* Create a middleware wrapper function
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*
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* @param string $region
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* @param EndpointProvider $endpointProvider
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* @param array $options
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*
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* @return callable
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*/
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public static function wrap($region, $endpointProvider, array $options)
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{
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return function (callable $handler) use($region, $endpointProvider, $options) {
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return new self($handler, $region, $options, $endpointProvider);
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};
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}
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public function __construct(callable $nextHandler, $region, array $options, $endpointProvider = null)
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{
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$this->pathStyleByDefault = isset($options['path_style']) ? (bool) $options['path_style'] : false;
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$this->dualStackByDefault = isset($options['dual_stack']) ? (bool) $options['dual_stack'] : false;
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$this->accelerateByDefault = isset($options['accelerate']) ? (bool) $options['accelerate'] : false;
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$this->region = (string) $region;
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$this->endpoint = isset($options['endpoint']) ? $options['endpoint'] : "";
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$this->endpointProvider = is_null($endpointProvider) ? \UglyRobot\Infinite_Uploads\Aws\Endpoint\PartitionEndpointProvider::defaultProvider() : $endpointProvider;
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$this->nextHandler = $nextHandler;
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}
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public function __invoke(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request)
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{
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if (!empty($this->endpoint)) {
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$request = $this->applyEndpoint($command, $request);
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} else {
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switch ($this->endpointPatternDecider($command, $request)) {
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case self::HOST_STYLE:
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$request = $this->applyHostStyleEndpoint($command, $request);
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break;
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case self::NO_PATTERN:
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case self::PATH_STYLE:
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break;
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case self::DUALSTACK:
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$request = $this->applyDualStackEndpoint($command, $request);
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break;
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case self::ACCELERATE:
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$request = $this->applyAccelerateEndpoint($command, $request, 's3-accelerate');
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break;
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case self::ACCELERATE_DUALSTACK:
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$request = $this->applyAccelerateEndpoint($command, $request, 's3-accelerate.dualstack');
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break;
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}
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}
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$nextHandler = $this->nextHandler;
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return $nextHandler($command, $request);
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}
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private static function isRequestHostStyleCompatible(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request)
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{
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return \UglyRobot\Infinite_Uploads\Aws\S3\S3Client::isBucketDnsCompatible($command['Bucket']) && ($request->getUri()->getScheme() === 'http' || strpos($command['Bucket'], '.') === false) && filter_var($request->getUri()->getHost(), FILTER_VALIDATE_IP) === false;
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}
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private function endpointPatternDecider(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request)
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{
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$accelerate = isset($command['@use_accelerate_endpoint']) ? $command['@use_accelerate_endpoint'] : $this->accelerateByDefault;
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$dualStack = isset($command['@use_dual_stack_endpoint']) ? $command['@use_dual_stack_endpoint'] : $this->dualStackByDefault;
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$pathStyle = isset($command['@use_path_style_endpoint']) ? $command['@use_path_style_endpoint'] : $this->pathStyleByDefault;
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if ($accelerate && $dualStack) {
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// When try to enable both for operations excluded from s3-accelerate,
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// only dualstack endpoints will be enabled.
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return $this->canAccelerate($command) ? self::ACCELERATE_DUALSTACK : self::DUALSTACK;
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}
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if ($accelerate && $this->canAccelerate($command)) {
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return self::ACCELERATE;
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}
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if ($dualStack) {
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return self::DUALSTACK;
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}
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if (!$pathStyle && self::isRequestHostStyleCompatible($command, $request)) {
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return self::HOST_STYLE;
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}
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return self::PATH_STYLE;
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}
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private function canAccelerate(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command)
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{
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return empty(self::$exclusions[$command->getName()]) && \UglyRobot\Infinite_Uploads\Aws\S3\S3Client::isBucketDnsCompatible($command['Bucket']);
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}
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private function getBucketStyleHost(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, $host)
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{
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// For operations on the base host (e.g. ListBuckets)
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if (!isset($command['Bucket'])) {
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return $host;
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}
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return "{$command['Bucket']}.{$host}";
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}
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private function applyHostStyleEndpoint(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request)
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{
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$uri = $request->getUri();
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$request = $request->withUri($uri->withHost($this->getBucketStyleHost($command, $uri->getHost()))->withPath($this->getBucketlessPath($uri->getPath(), $command)));
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return $request;
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}
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private function applyDualStackEndpoint(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request)
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{
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$request = $request->withUri($request->getUri()->withHost($this->getDualStackHost()));
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if (empty($command['@use_path_style_endpoint']) && !$this->pathStyleByDefault && self::isRequestHostStyleCompatible($command, $request)) {
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$request = $this->applyHostStyleEndpoint($command, $request);
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}
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return $request;
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}
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private function getDualStackHost()
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{
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$dnsSuffix = $this->endpointProvider->getPartition($this->region, 's3')->getDnsSuffix();
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return "s3.dualstack.{$this->region}.{$dnsSuffix}";
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}
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private function applyAccelerateEndpoint(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request, $pattern)
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{
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$request = $request->withUri($request->getUri()->withHost($this->getAccelerateHost($command, $pattern))->withPath($this->getBucketlessPath($request->getUri()->getPath(), $command)));
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return $request;
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}
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private function getAccelerateHost(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, $pattern)
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{
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$dnsSuffix = $this->endpointProvider->getPartition($this->region, 's3')->getDnsSuffix();
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return "{$command['Bucket']}.{$pattern}.{$dnsSuffix}";
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}
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private function getBucketlessPath($path, \UglyRobot\Infinite_Uploads\Aws\CommandInterface $command)
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{
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$pattern = '/^\\/' . preg_quote($command['Bucket'], '/') . '/';
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return preg_replace($pattern, '', $path) ?: '/';
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}
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private function applyEndpoint(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request)
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{
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$dualStack = isset($command['@use_dual_stack_endpoint']) ? $command['@use_dual_stack_endpoint'] : $this->dualStackByDefault;
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if (\UglyRobot\Infinite_Uploads\Aws\Arn\ArnParser::isArn($command['Bucket'])) {
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$arn = \UglyRobot\Infinite_Uploads\Aws\Arn\ArnParser::parse($command['Bucket']);
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$outpost = $arn->getService() == 's3-outposts';
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if ($outpost && $dualStack) {
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throw new \UglyRobot\Infinite_Uploads\GuzzleHttp\Exception\InvalidArgumentException("Outposts + dualstack is not supported");
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}
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}
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if ($dualStack) {
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throw new \UglyRobot\Infinite_Uploads\GuzzleHttp\Exception\InvalidArgumentException("Custom Endpoint + Dualstack not supported");
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}
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$host = $this->pathStyleByDefault ? $this->endpoint : $this->getBucketStyleHost($command, $this->endpoint);
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$uri = new \UglyRobot\Infinite_Uploads\GuzzleHttp\Psr7\Uri($host);
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$scheme = $uri->getScheme();
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if (empty($scheme)) {
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//The host contains s3-outposts here, that's where it gets added
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$request = $request->withUri($uri->withHost($host));
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} else {
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$request = $request->withUri($uri);
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}
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return $request;
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}
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}
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