/** * Compute the content MD5 hash of the request body (streams request body contents to a * temporary file and incrementaly computes the hash value replacing the requests input * URL with the URL of the created file). * * @param HttpRequest $request * @return string */ protected function computeContentMd5(HttpRequest $request) { if (!$request->hasEntity()) { return md5(''); } $hash = hash_init('md5'); $in = $request->getEntity()->getInputStream(); $tmp = new \SplTempFileObject(); $fp = $tmp->openFile('wb', false); try { flock($fp, LOCK_EX); while (false !== ($chunk = $in->read())) { hash_update($hash, $chunk); fwrite($fp, $chunk); } } finally { @fclose($fp); } $request->setEntity(new StreamEntity($tmp->openFile('rb', false))); return hash_final($hash); }