/**
* {@inheritdoc}
*/
protected function retrieveUser($username, UsernamePasswordToken $token)
{
$user = $token->getUser();
if ($user instanceof AccountInterface) {
return array($user, $token->getUserProviderName());
}
$result = null;
try {
$result = $this->userProvider->loadUserByUsername($username);
} catch (UsernameNotFoundException $notFound) {
throw $notFound;
} catch (\Exception $repositoryProblem) {
throw new AuthenticationServiceException($repositoryProblem->getMessage(), $token, 0, $repositoryProblem);
}
if (!is_array($result) || 2 !== count($result)) {
throw new AuthenticationServiceException('User provider did not return an array, or array had invalid format.');
}
if (!$result[0] instanceof AccountInterface) {
throw new AuthenticationServiceException('The user provider must return an AccountInterface object.');
}
if (empty($result[1])) {
throw new AuthenticationServiceException('The user provider must return a non-empty user provider name.');
}
return $result;
}
