protected function TfaBasePlugin::alreadyAcceptedCode in Two-factor Authentication (TFA) 8

Whether code has already been used.

Parameters

string $code: The code to be checked.

Return value

bool TRUE if already used otherwise FALSE

File

src/Plugin/TfaBasePlugin.php, line 232

Class

TfaBasePlugin

Base plugin class.

Namespace

Drupal\tfa\Plugin

Code

protected function alreadyAcceptedCode($code) {
  $hash = Crypt::hashBase64(Settings::getHashSalt() . $code);

  // Check if the code has already been used or not.
  $key = 'tfa_accepted_code_' . $hash;
  $result = $this
    ->getUserData('tfa', $key, $this->uid, $this->userData);
  if (!empty($result)) {
    $this->alreadyAccepted = TRUE;
    return TRUE;
  }
  return FALSE;
}