public function getAllowedUserRights(SessionBackend $backend)
{
if ($backend->getProvider() !== $this) {
throw new \InvalidArgumentException('Backend\'s provider isn\'t $this');
}
$data = $backend->getProviderMetadata();
if ($data && isset($data['rights']) && is_array($data['rights'])) {
return $data['rights'];
}
// Should never happen
$this->logger->debug(__METHOD__ . ': No provider metadata, returning no rights allowed');
return [];
}
