function imageinfo_cache_admin_form_validate in Imageinfo Cache 6.2

Same name and namespace in other branches

1. 6 imageinfo_cache.admin.inc \imageinfo_cache_admin_form_validate()

validate imageinfo_cache_admin_form submissions.

File

./imageinfo_cache.admin.inc, line 89

Configuration page for imageinfo cache module.

Code

function imageinfo_cache_admin_form_validate($form, &$form_state) {
  $values = $form_state['values'];

  // Check that imageinfo_cache_async_max is a positive interger.
  if (empty($values['imageinfo_cache_async_max']) || !is_numeric($values['imageinfo_cache_async_max']) || $values['imageinfo_cache_async_max'] < 1) {
    form_set_error('imageinfo_cache_async_max', t('Number must be a positive interger.'));
  }

  // If the IP field is not blank, check that its a valid address.
  if (!empty($values['imageinfo_cache_server_addr'])) {

    // Not an IP address
    if (ip2long($values['imageinfo_cache_server_addr']) === FALSE) {

      // Not a valid hostname
      if (ip2long(gethostbyname($values['imageinfo_cache_server_addr'])) === FALSE) {
        form_set_error('imageinfo_cache_server_addr', t('Must be a valid IP address OR server name.') . gethostbyname($values['imageinfo_cache_server_addr']));
      }
    }
  }
  if (empty($values['imageinfo_cache_url_key']) || !preg_match('/^[a-f0-9]{32}$/', $values['imageinfo_cache_url_key'])) {
    form_set_error('imageinfo_cache_url_key', t('Value must be a valid md5 hash. Recommended md5 hash on this server: %value', array(
      '%value' => md5(drupal_get_private_key()),
    )));
  }

  // Do no set certian variables.
  unset($form_state['values']['list']);
}