GoogleHandler::downloadPartFile

public function downloadPartFile(FileData $fileData, $startRange, $chunkSize)
{
	if(!$this->checkRequiredInputParams($fileData->toArray(), array(
		'id', 'mimeType', 'src',
	)))
	{
		return null;
	}

	$accessToken = $this->getAccessToken();

	@set_time_limit(0);
	$http = new HttpClient(array(
		'socketTimeout' => 10,
		'streamTimeout' => 30,
		'version' => HttpClient::HTTP_1_1,
	));
	$http->setHeader('Authorization', "Bearer {$accessToken}");

	$endRange = $startRange + $chunkSize - 1;
	$http->setHeader('Range', "bytes={$startRange}-{$endRange}");

	if($http->download($this->getDownloadUrl($fileData), $fileData->getSrc()) === false)
	{
		$errorString = implode('; ', array_keys($http->getError()));
		$this->errorCollection[] = new Error(
			$errorString, self::ERROR_HTTP_DOWNLOAD_FILE
		);
		return null;
	}

	return $fileData;
}