public function __construct()

in src/S3/S3Client.php [412:497]
82 lines of code
6 McCabe index (conditional complexity)

    public function __construct(array $args)
    {
        if (
            !isset($args['s3_us_east_1_regional_endpoint'])
            || $args['s3_us_east_1_regional_endpoint'] instanceof CacheInterface
        ) {
            $args['s3_us_east_1_regional_endpoint'] = ConfigurationProvider::defaultProvider($args);
        }
        $this->addBuiltIns($args);
        parent::__construct($args);
        $stack = $this->getHandlerList();
        $stack->appendInit(SSECMiddleware::wrap($this->getEndpoint()->getScheme()), 's3.ssec');
        $stack->appendBuild(
            ApplyChecksumMiddleware::wrap($this->getApi(), $this->getConfig()),
            's3.checksum'
        );
        $stack->appendBuild(
            Middleware::contentType(['PutObject', 'UploadPart']),
            's3.content_type'
        );

        if ($this->getConfig('bucket_endpoint')) {
            $stack->appendBuild(BucketEndpointMiddleware::wrap(), 's3.bucket_endpoint');
        } elseif (!$this->isUseEndpointV2()) {
            $stack->appendBuild(
                S3EndpointMiddleware::wrap(
                    $this->getRegion(),
                    $this->getConfig('endpoint_provider'),
                    [
                        'accelerate' => $this->getConfig('use_accelerate_endpoint'),
                        'path_style' => $this->getConfig('use_path_style_endpoint'),
                        'use_fips_endpoint' => $this->getConfig('use_fips_endpoint'),
                        'dual_stack' =>
                            $this->getConfig('use_dual_stack_endpoint')->isUseDualStackEndpoint(),

                    ]
                ),
                's3.endpoint_middleware'
            );
        }

        $stack->appendBuild(
            BucketEndpointArnMiddleware::wrap(
                $this->getApi(),
                $this->getRegion(),
                [
                    'use_arn_region' => $this->getConfig('use_arn_region'),
                    'accelerate' => $this->getConfig('use_accelerate_endpoint'),
                    'path_style' => $this->getConfig('use_path_style_endpoint'),
                    'dual_stack' =>
                        $this->getConfig('use_dual_stack_endpoint')->isUseDualStackEndpoint(),
                    'use_fips_endpoint' => $this->getConfig('use_fips_endpoint'),
                    'disable_multiregion_access_points' =>
                        $this->getConfig('disable_multiregion_access_points'),
                    'endpoint' => $args['endpoint'] ?? null
                ],
                $this->isUseEndpointV2()
            ),
            's3.bucket_endpoint_arn'
        );
        if ($this->getConfig('disable_express_session_auth')) {
            $stack->prependSign(
                $this->getDisableExpressSessionAuthMiddleware(),
                's3.disable_express_session_auth'
            );
        }

        $stack->appendValidate(
            InputValidationMiddleware::wrap($this->getApi(), self::$mandatoryAttributes),
            'input_validation_middleware'
        );
        $stack->appendSign(ExpiresParsingMiddleware::wrap(), 's3.expires_parsing');
        $stack->appendSign(PutObjectUrlMiddleware::wrap(), 's3.put_object_url');
        $stack->appendSign(PermanentRedirectMiddleware::wrap(), 's3.permanent_redirect');
        $stack->appendInit(Middleware::sourceFile($this->getApi()), 's3.source_file');
        $stack->appendInit($this->getSaveAsParameter(), 's3.save_as');
        $stack->appendInit($this->getLocationConstraintMiddleware(), 's3.location');
        $stack->appendInit($this->getEncodingTypeMiddleware(), 's3.auto_encode');
        $stack->appendInit($this->getHeadObjectMiddleware(), 's3.head_object');
        $this->processModel($this->isUseEndpointV2());
        if ($this->isUseEndpointV2()) {
            $stack->after('builder',
                's3.check_empty_path_with_query',
                $this->getEmptyPathWithQuery());
        }
    }