lepiaf\SapientBundle\GuzzleHttp\Middleware\UnsealResponseMiddleware

Complexity

Total Complexity

2

Size/Duplication

Total Lines	29
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	11	1
A	__construct()	0	4	1

<?php
declare(strict_types=1);

namespace lepiaf\SapientBundle\GuzzleHttp\Middleware;

use ParagonIE\ConstantTime\Base64UrlSafe;
use ParagonIE\Sapient\CryptographyKeys\SealingSecretKey;
use ParagonIE\Sapient\Sapient;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

class UnsealResponseMiddleware
{
    /**
     * @var Sapient
     */
    private $sapient;

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

    public function __construct(Sapient $sapient, string $privateKey)
    {
        $this->sapient = $sapient;
        $this->privateKey = $privateKey;
    }

    public function __invoke(callable $handler)
    {
        return function(RequestInterface $request, array $options) use ($handler) {
            return $handler($request, $options)->then(
                function(ResponseInterface $response) {
                    $responseUnsealed = $this->sapient->unsealResponse(
                        $response,
                        new SealingSecretKey(Base64UrlSafe::decode($this->privateKey))
                    );

                    return $responseUnsealed;
                }
            );
        };
    }
}