private function getMetadataFromFedora(): Resource {
        $uri     = $this->fedora->sanitizeUri($this->uri);
        $request = new Request('GET', $uri . '/fcr:metadata', ['Accept' => 'application/n-triples']);
        $resp    = $this->fedora->sendRequest($request);

        $format  = '';
        $headers = $resp->getHeaders();
        if (isset($headers['Content-Type'])) {
            $format = explode(';', $headers['Content-Type'][0])[0];
        }
        $this->extractAcl($resp);

        $graph = new Graph();
        $graph->parse($resp->getBody(), $format);
        $meta  = $graph->resource($uri);

        return $meta;
    }