$label,
':href_antibot' => Url::fromRoute('antibot.settings')->toString(),
':href_webform' => Url::fromRoute('webform.settings')->toString(),
];
// Antibot.
$form['third_party_settings']['antibot'] = [
'#type' => 'details',
'#title' => t('Antibot'),
'#open' => TRUE,
'#description' => t('Prevent SPAM webform submissions from being submitted without JavaScript enabled using the antibot method.', $t_args),
];
$form['third_party_settings']['antibot']['antibot'] = [
'#type' => 'checkbox',
'#title' => t('Protect %label with Antibot', $t_args),
'#default_value' => $antibot,
'#return_value' => TRUE,
];
if ($antibot_state != WEBFORM_ANTIBOT_NEUTRAL) {
$form['third_party_settings']['antibot']['antibot']['#attributes']['disabled'] = 'disabled';
$form_state->set('antibot_disabled', TRUE);
if ($antibot_state == WEBFORM_ANTIBOT_ENABLED_WEBFORM) {
$form['third_party_settings']['antibot']['antibot']['#default_value'] = 1;
$form['third_party_settings']['antibot']['antibot']['#description'] = t('Antibot protection is enabled for all webforms.', $t_args);
}
}
$form['#validate'][] = '_webform_antibot_form_validate';
}
/**
* Validate callback; Checks if antibot is disabled and remove it from the third party settings values.
*/
function _webform_antibot_form_validate(&$form, FormStateInterface $form_state) {
$third_party_settings = $form_state->getValue('third_party_settings');
if ($form_state->get('antibot_disabled') || empty($third_party_settings['antibot']['antibot'])) {
unset($third_party_settings['antibot']['antibot']);
}
if (empty($third_party_settings['antibot'])) {
unset($third_party_settings['antibot']);
}
$form_state->setValue('third_party_settings', $third_party_settings);
}
/**
* Implements hook_webform_admin_third_party_settings_form_alter().
*/
function antibot_webform_admin_third_party_settings_form_alter(&$form, FormStateInterface $form_state) {
/** @var \Drupal\webform\WebformThirdPartySettingsManagerInterface $third_party_settings_manager */
$third_party_settings_manager = \Drupal::service('webform.third_party_settings_manager');
$antibot = $third_party_settings_manager->getThirdPartySetting('antibot', 'antibot');
$antibot_state = WEBFORM_ANTIBOT_NEUTRAL;
_webform_antibot_form(
$form,
$form_state,
$antibot,
$antibot_state,
t('all webforms')
);
}
/**
* Implements hook_webform_third_party_settings_form_alter().
*/
function antibot_webform_third_party_settings_form_alter(&$form, FormStateInterface $form_state) {
/** @var \Drupal\webform\WebformThirdPartySettingsManagerInterface $third_party_settings_manager */
$third_party_settings_manager = \Drupal::service('webform.third_party_settings_manager');
/** @var \Drupal\webform\WebformInterface $webform */
$webform = $form_state->getFormObject()->getEntity();
$antibot = $webform->getThirdPartySetting('antibot', 'antibot');
if ($third_party_settings_manager->getThirdPartySetting('antibot', 'antibot')) {
$antibot_state = WEBFORM_ANTIBOT_ENABLED_WEBFORM;
}
else {
$antibot_state = WEBFORM_ANTIBOT_NEUTRAL;
}
_webform_antibot_form(
$form,
$form_state,
$antibot,
$antibot_state,
t('@label webform', ['@label' => $webform->label()])
);
}
/**
* Implements hook_webform_submission_form_alter().
*/
function antibot_webform_submission_form_alter(&$form, FormStateInterface $form_state, $form_id) {
// Only add an Antibot when a webform is initially load.
// After a webform is submitted, via a multistep webform and/or saving a draft,
// we can skip adding an Antibot.
if ($form_state->isSubmitted()) {
return;
}
/** @var \Drupal\webform\WebformThirdPartySettingsManagerInterface $third_party_settings_manager */
$third_party_settings_manager = \Drupal::service('webform.third_party_settings_manager');
/** @var \Drupal\webform\WebformSubmissionInterface $webform_submission */
$webform_submission = $form_state->getFormObject()->getEntity();
$webform = $webform_submission->getWebform();
$antibot = $third_party_settings_manager->getThirdPartySetting('antibot', 'antibot') ?:
$webform->getThirdPartySetting('antibot', 'antibot');
if ($antibot) {
// @see antibot_form_alter().
$form['#pre_render'][] = 'antibot_form_pre_render';
}
}