/**
* Get missing fields.
*
* Not all containers come fully instantiated. This method is sometimes
* called to "fill in" missing fields.
*
* @return \OpenStack\ObjectStore\v1\Resource\Container
*/
protected function loadExtraData()
{
// If URL and token are empty, we are dealing with a local item that
// has not been saved, and was not created with Container::createContainer().
// We treat this as an error condition.
if (empty($this->url) || empty($this->token)) {
throw new Exception('Remote data cannot be fetched. A Token and endpoint URL are required.');
}
// Do a GET on $url to fetch headers.
$headers = ['X-Auth-Token' => $this->token];
$response = $this->client->get($this->url, ['headers' => $headers]);
$headers = self::reformatHeaders($response->getHeaders());
// Get ACL.
$this->acl = ACL::newFromHeaders($headers);
// Update size and count.
$this->bytes = $response->getHeader('X-Container-Bytes-Used', 0);
$this->count = $response->getHeader('X-Container-Object-Count', 0);
// Get metadata.
$prefix = Container::CONTAINER_METADATA_HEADER_PREFIX;
$this->setMetadata(Container::extractHeaderAttributes($headers, $prefix));
return $this;
}
/**
* Extract information from HTTP headers.
*
* This is used internally to set object properties from headers.
*
* @return \OpenStack\ObjectStore\v1\Resource\RemoteObject $this for the current object so it
* can be used in chaining methods.
*/
protected function extractFromHeaders($response)
{
$this->setContentType($response->getHeader('Content-Type') ? $response->getHeader('Content-Type') : $this->contentType());
$this->lastModified = strtotime($response->getHeader('Last-Modified') ? $response->getHeader('Last-Modified') : 0);
$this->etag = $response->getHeader('Etag') ? $response->getHeader('Etag') : $this->etag;
$this->contentLength = (int) ($response->getHeader('Content-Length') ? $response->getHeader('Content-Length') : 0);
$this->setDisposition($response->getHeader('Content-Disposition', null));
$this->setEncoding($response->getHeader('Content-Encoding', null));
// Reset the metadata, too:
$headers = [];
foreach ($response->getHeaders() as $name => $header) {
$headers[$name] = $header[0];
}
$this->setMetadata(Container::extractHeaderAttributes($headers));
return $this;
}
