/**
* Validates a set of user credentials.
*
* - If the user credentials are valid, a new authentication token is
* created and a corresponding Token instance is returned.
* - If the user credentials are invalid, an InvalidException instance is
* thrown.
* - If for some reason the user credentials cannot be validated, an
* AuthException instance is thrown.
*
* @param \Spark\Auth\Credentials $credentials
* @return \Spark\Auth\Token
* @throws \Spark\Auth\Exception\InvalidException if an invalid auth token
* is specified
* @throws \Spark\Auth\Exception\AuthException if another error occurs
* during authentication
*/
public function validateCredentials(Credentials $credentials)
{
#var_dump($credentials);
$offered_identifier = $credentials->getIdentifier();
$offered_password = $credentials->getPassword();
$expected_identifier = $this->credentials->getIdentifier();
$expected_password = $this->credentials->getPassword();
if ($offered_identifier == $expected_identifier && $offered_password == $expected_password) {
// generate a random token string
$token_string = bin2hex(openssl_random_pseudo_bytes(16));
$metadata = array('username' => $offered_identifier, 'expiration' => date(DateTime::ATOM, strtotime('+1 hour')));
$token = new Token($token_string, $metadata);
// update the token in the database and set the expiration date-time
$this->valid_tokens->updateToken($token);
} else {
throw new InvalidException();
}
return $token;
}
