public function EnvKeyProvider::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/EnvKeyProvider.php, line 73

Class

EnvKeyProvider

A key provider that allows a key to be stored in an environment variable.

Namespace

Drupal\key\Plugin\KeyProvider

Code

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

  // Does the env variable exist.
  if (!$key_value) {
    $form_state
      ->setErrorByName('env_variable', $this
      ->t('The environment variable does not exist or it is empty.'));
    return;
  }
}