public function authenticate(TokenInterface $token)
{
/**
* @var SignedRequestToken $token
*/
$user = $this->provider->loadUserByUsername($token->getUsername());
if (!$user instanceof UserInterface) {
throw new AuthenticationServiceException('The user provider must return a UserInterface object.');
}
$signedData = $token->getSignedData();
$token = new SignedRequestToken($user->getUsername(), $user->getRoles());
$token->setSignedData($signedData);
$token->setUser($user);
$token->setAuthenticated(true);
$this->userChecker->checkPostAuth($user);
return $token;
}