/**
* Flush results stored in CacheStore and CachedResult.
*/
public function flush()
{
$this->data = [];
$this->count = 0;
$this->store->delete($this->key);
$this->key = null;
}
/**
* Connect to rackspace servers using new or cached token.
*
* @throws ServerException
*/
protected function connect()
{
if (!empty($this->authToken)) {
//Already got credentials from cache
return;
}
//Credentials request
$request = new Request('POST', $this->options['authServer'], ['Content-Type' => 'application/json'], json_encode(['auth' => ['RAX-KSKEY:apiKeyCredentials' => ['username' => $this->options['username'], 'apiKey' => $this->options['apiKey']]]]));
try {
/**
* @var ResponseInterface $response
*/
$response = $this->client->send($request);
} catch (ClientException $exception) {
if ($exception->getCode() == 401) {
throw new ServerException("Unable to perform Rackspace authorization using given credentials.");
}
throw new ServerException($exception->getMessage(), $exception->getCode(), $exception);
}
$response = json_decode((string) $response->getBody(), 1);
foreach ($response['access']['serviceCatalog'] as $location) {
if ($location['name'] == 'cloudFiles') {
foreach ($location['endpoints'] as $server) {
$this->regions[$server['region']] = $server['publicURL'];
}
}
}
if (!isset($response['access']['token']['id'])) {
throw new ServerException("Unable to fetch rackspace auth token.");
}
$this->authToken = $response['access']['token']['id'];
if ($this->options['cache']) {
$this->store->set($this->options['username'] . '@rackspace-token', $this->authToken, $this->options['lifetime']);
$this->store->set($this->options['username'] . '@rackspace-regions', $this->regions, $this->options['lifetime']);
}
}
/**
* {@inheritdoc}
*/
public function write($session_id, $session_data)
{
return $this->cacheStore->set($this->options['prefix'] . $session_id, $session_data, $this->lifetime);
}
