src/Downloader.php
public function get(string $path, array $headers = [], $cache = true): Response
    {
        if (null === $this->endpoint) {
            return new Response([]);
        }
        $headers[] = 'Package-Session: '.$this->sess;
        $url = $this->endpoint.'/'.ltrim($path, '/');
        $cacheKey = $cache ? ltrim($path, '/') : '';

        if ($cacheKey && $contents = $this->cache->read($cacheKey)) {
            $cachedResponse = Response::fromJson(json_decode($contents, true));
            if ($lastModified = $cachedResponse->getHeader('last-modified')) {
                $response = $this->fetchFileIfLastModified($url, $cacheKey, $lastModified, $headers);
                if (304 === $response->getStatusCode()) {
                    $response = new Response($cachedResponse->getBody(), $response->getOrigHeaders(), 304);
                }

                return $response;
            }
        }

        return $this->fetchFile($url, $cacheKey, $headers);
    }
public function get(string $path, array $headers = [], $cache = true): Response
    {
        if (null === $this->endpoint) {
            return new Response([]);
        }
        $headers[] = 'Package-Session: '.$this->sess;
        $url = $this->endpoint.'/'.ltrim($path, '/');
        $cacheKey = $cache ? ltrim($path, '/') : '';

        if ($cacheKey && $contents = $this->cache->read($cacheKey)) {
            $cachedResponse = Response::fromJson(json_decode($contents, true));
            if ($lastModified = $cachedResponse->getHeader('last-modified')) {
                $response = $this->fetchFileIfLastModified($url, $cacheKey, $lastModified, $headers);
                if (304 === $response->getStatusCode()) {
                    $response = new Response($cachedResponse->getBody(), $response->getOrigHeaders(), 304);
                }

                return $response;
            }
        }

        return $this->fetchFile($url, $cacheKey, $headers);
    }
Decodes a JSON HTTP response body.

@param string $path    The path to get on the server
@param array  $headers An array of HTTP headers