public function FileKeyProvider::validateConfigurationForm in Key 8

Form validation handler.

Parameters

array $form: An associative array containing the structure of the plugin form as built by static::buildConfigurationForm().

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form. Calling code should pass on a subform state created through \Drupal\Core\Form\SubformState::createForSubform().

Overrides PluginFormInterface::validateConfigurationForm

File

src/Plugin/KeyProvider/FileKeyProvider.php, line 77

Class

FileKeyProvider

Adds a key provider that allows a key to be stored in a file.

Namespace

Drupal\key\Plugin\KeyProvider

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  $key_provider_settings = $form_state
    ->getValues();
  $file = $key_provider_settings['file_location'];

  // Does the file exist?
  if (!is_file($file)) {
    $form_state
      ->setErrorByName('file_location', $this
      ->t('There is no file at the specified location.'));
    return;
  }

  // Is the file readable?
  if (!is_readable($file)) {
    $form_state
      ->setErrorByName('file_location', $this
      ->t('The file at the specified location is not readable.'));
    return;
  }
}