protected function readStream()
    {
        if(!is_resource($this->stream)) {
            return '';
        }

        if(isset($headers['content-length'])) {
            $this->body = stream_get_contents($this->stream, $headers['content-length']);
        } else {
            $this->body = stream_get_contents($this->stream);
        }
        fclose($this->stream);
        $this->stream = null;
    }