/**
* Perform the HTTP query for a list of objects and de-serialize the
* results.
*/
protected function objectQuery($params = [], $limit = null, $marker = null)
{
if (isset($limit)) {
$params['limit'] = (int) $limit;
if (!empty($marker)) {
$params['marker'] = (string) $marker;
}
}
// We always want JSON.
$params['format'] = 'json';
$query = http_build_query($params);
$query = str_replace('%2F', '/', $query);
$url = $this->url . '?' . $query;
$headers = ['X-Auth-Token' => $this->token];
$response = $this->client->get($url, ['headers' => $headers]);
// The only codes that should be returned are 200 and the ones
// already thrown by GET.
if ($response->getStatusCode() != 200) {
throw new Exception('An unknown exception occurred while processing the request.');
}
$json = $response->json();
// Turn the array into a list of RemoteObject instances.
$list = [];
foreach ($json as $item) {
if (!empty($item['subdir'])) {
$list[] = new Subdir($item['subdir'], $params['delimiter']);
} elseif (empty($item['name'])) {
throw new Exception('Unexpected entity returned.');
} else {
//$url = $this->url . '/' . rawurlencode($item['name']);
$url = self::objectUrl($this->url, $item['name']);
$list[] = RemoteObject::newFromJSON($item, $this->token, $url, $this->client);
}
}
return $list;
}
/**
* Create a new RemoteObject from HTTP headers.
*
* This is used to create objects from GET and HEAD requests, which
* return all of the metadata inside of the headers.
*
* @param string $name The name of the object.
* @param array $headers An associative array of HTTP headers in the exact
* format documented by OpenStack's API docs.
* @param string $token The current auth token (used for issuing subsequent
* requests).
* @param string $url The URL to the object in the object storage. Used for
* issuing subsequent requests.
*
* @return \OpenStack\ObjectStore\v1\Resource\RemoteObject A new RemoteObject.
*/
public static function newFromHeaders($name, $headers, $token, $url, ClientInterface $client = null)
{
$object = new RemoteObject($name);
//$object->allHeaders = $headers;
$object->setHeaders($headers);
//throw new \Exception(print_r($headers, true));
// Fix inconsistant header.
if (isset($headers['ETag'])) {
$headers['Etag'] = $headers['ETag'];
}
$object->setContentType($headers['Content-Type']);
$object->contentLength = empty($headers['Content-Length']) ? 0 : (int) $headers['Content-Length'];
$object->etag = (string) $headers['Etag'];
// ETag is now Etag.
$object->lastModified = strtotime($headers['Last-Modified']);
// Set the metadata, too.
$object->setMetadata(Container::extractHeaderAttributes($headers));
// If content encoding and disposition exist, set them on the
// object.
if (!empty($headers['Content-Disposition'])) {
$object->setDisposition($headers['Content-Disposition']);
}
if (!empty($headers['Content-Encoding'])) {
$object->setEncoding($headers['Content-Encoding']);
}
$object->token = $token;
$object->url = $url;
if (is_null($client)) {
$client = GuzzleAdapter::create();
}
$object->setClient($client);
return $object;
}
