/**
* Performs an authentication.
* @return Nette\Security\Identity
* @throws Nette\Security\AuthenticationException
*/
public function authenticate(array $credentials)
{
list($username, $password) = $credentials;
$user = $this->usersFacade->findByName($username);
if ($user == null) {
throw new Nette\Security\AuthenticationException('The username is incorrect.', self::IDENTITY_NOT_FOUND);
} elseif (!Passwords::verify($password, $user->getPassword())) {
throw new Nette\Security\AuthenticationException('The password is incorrect.', self::INVALID_CREDENTIAL);
} elseif (Passwords::needsRehash($user->getPassword())) {
$this->usersFacade->update(array('password' => Passwords::hash($password)));
}
$arr = array($user->getUsername(), $user->getEmail(), $user->getDate());
return new Nette\Security\Identity($user->getId(), $user->getRole(), $arr);
}
