function _cas_user_login_validate in CAS 2.x

Same name and namespace in other branches

1. 8 cas.module \_cas_user_login_validate()

Custom validation function added to user login form.

1 string reference to '_cas_user_login_validate'

cas_form_user_login_form_alter in ./cas.module

Implements hook_form_FORM_ID_alter().

File

./cas.module, line 248

Provides CAS authentication for Drupal.

Code

function _cas_user_login_validate(&$form, FormStateInterface $form_state) {

  // If the user attempting to log in is a CAS user, prevent log in if
  // configured to do so. This forces users to log in using CAS even if
  // they somehow know their Drupal account password.
  // The UID of the user attempting to log in is set from an earlier validate
  // function from the main UserLoginForm.
  $uid = $form_state
    ->get('uid');
  $config = Drupal::config('cas.settings');
  if ($config
    ->get('user_accounts.prevent_normal_login') && !empty($uid)) {
    $cas_user_manager = \Drupal::service('cas.user_manager');
    if ($cas_user_manager
      ->getCasUsernameForAccount($uid)) {
      $form_state
        ->setErrorByName('name', \Drupal::service('cas.helper')
        ->getMessage('error_handling.message_prevent_normal_login'));
    }
  }
}