'', ]; } /** * {@inheritdoc} */ public function buildConfigurationForm(array $form, FormStateInterface $form_state) { $form['dsn'] = [ '#type' => 'textfield', '#title' => $this->t('DSN'), '#maxlength' => 255, '#default_value' => $this->configuration['dsn'], '#description' => $this->t('DSN for the Transport, see documentation.', [':docs' => static::DOCS_URL]), '#required' => TRUE, ]; return $form; } /** * {@inheritdoc} */ public function validateConfigurationForm(array &$form, FormStateInterface $form_state) { $dsn = $form_state->getValue('dsn'); if (parse_url($dsn, PHP_URL_SCHEME) == 'sendmail') { // Don't allow bypassing of the checks done by the Sendmail transport. $form_state->setErrorByName('dsn', $this->t('Use the Sendmail transport.')); } try { Transport::fromDsn($dsn); } catch (\Exception $e) { $form_state->setErrorByName('dsn', $this->t('Invalid DSN: @message', ['@message' => $e->getMessage()])); } } /** * {@inheritdoc} */ public function submitConfigurationForm(array &$form, FormStateInterface $form_state) { $this->configuration['dsn'] = $form_state->getValue('dsn'); } /** * {@inheritdoc} */ public function getDsn() { return $this->configuration['dsn']; } }