function antibot_form_pre_render in Antibot 7

Pre-render callback on forms that have Antibot protection.

See also

antibot_protect_form()

1 string reference to 'antibot_form_pre_render'

antibot_protect_form in ./antibot.module

Helper function to enable Antibot protection for a given form.

File

./antibot.module, line 132

Attempt to prevent robotic form submissions and spam.

Code

function antibot_form_pre_render($form) {

  // Attach the needed JavaScript to re-enable this form.
  $form['antibot'] = array(
    '#attached' => array(
      'js' => array(
        array(
          'type' => 'setting',
          'data' => array(
            'antibot' => array(
              'forms' => array(
                $form['#id'] => array(
                  'action' => $form['#action'],
                  'key' => !empty($form['#antibot_key']) ? $form['#antibot_key'] : NULL,
                ),
              ),
            ),
          ),
        ),
        drupal_get_path('module', 'antibot') . '/js/antibot.js',
      ),
    ),
  );

  // Change the action so the submission does not go through.
  $form['#action'] = base_path() . 'antibot';

  // Add a class to the form.
  $form['#attributes']['class'][] = 'antibot';

  // Provide a message in the event that the user does not have JavaScript.
  $no_js = array(
    '#theme' => 'antibot_no_js',
    '#weight' => -500,
    '#message' => t('You must have JavaScript enabled to use this form.'),
  );
  $no_js = drupal_render($no_js);

  // Inject the message in to the form.
  if (!isset($form['#prefix'])) {
    $form['#prefix'] = '';
  }
  $form['#prefix'] = $no_js . $form['#prefix'];
  return $form;
}