private function fetchResumeUri()
{
$result = null;
$body = $this->request->getPostBody();
if ($body) {
$headers = array('content-type' => 'application/json; charset=UTF-8', 'content-length' => Utils::getStrLen($body), 'x-upload-content-type' => $this->mimeType, 'x-upload-content-length' => $this->size, 'expect' => '');
$this->request->setRequestHeaders($headers);
}
$response = $this->client->getIo()->makeRequest($this->request);
$location = $response->getResponseHeader('location');
$code = $response->getResponseHttpCode();
if (200 == $code && true == $location) {
return $location;
}
$message = $code;
$body = @json_decode($response->getResponseBody());
if (!empty($body->error->errors)) {
$message .= ': ';
foreach ($body->error->errors as $error) {
$message .= "{$error->domain}, {$error->message};";
}
$message = rtrim($message, ';');
}
$error = "Failed to start the resumable upload (HTTP {$message})";
$this->client->getLogger()->error($error);
throw new Exception($error);
}
