function cdn_admin_details_form_validate in CDN 6.2

Same name and namespace in other branches

1. 7.2 cdn.admin.inc \cdn_admin_details_form_validate()

Default validate callback for the details form.

File

./cdn.admin.inc, line 424

Settings administration UI.

Code

function cdn_admin_details_form_validate($form, &$form_state) {

  // If ctools_dependent supported required dependent form items, this ugly
  // piece of code would not be necessary.
  if ($form_state['values'][CDN_MODE_VARIABLE] == CDN_MODE_BASIC) {
    if (empty($form_state['values'][CDN_BASIC_MAPPING_VARIABLE])) {
      form_error($form['settings'][CDN_BASIC_MAPPING_VARIABLE], t('!name field is required.', array(
        '!name' => $form['settings'][CDN_BASIC_MAPPING_VARIABLE]['#title'],
      )));
    }
  }
  else {
    if (empty($form_state['values'][CDN_ADVANCED_SYNCED_FILES_DB_VARIABLE])) {
      form_error($form['settings'][CDN_ADVANCED_SYNCED_FILES_DB_VARIABLE], t('!name field is required.', array(
        '!name' => $form['settings'][CDN_ADVANCED_SYNCED_FILES_DB_VARIABLE]['#title'],
      )));
    }
  }

  // When in Origin Pull mode, check the CDN mapping for CDNs/reverse proxies.
  if ($form_state['values'][CDN_MODE_VARIABLE] == CDN_MODE_BASIC) {
    $domains = cdn_get_domains();
    $token = md5(rand());
    variable_set('cdn_reverse_proxy_test', $token);
    $yays = array();
    $nays = array();
    foreach ($domains as $domain) {
      $url = 'http://' . $domain . base_path() . 'cdn/farfuture/reverse-proxy-test/' . $token;
      $r1 = drupal_http_request($url);
      $r2 = drupal_http_request($url);
      unset($r1->headers);
      unset($r2->headers);
      $args = array(
        '%domain' => $domain,
      );
      if ($r1 == $r2) {
        $yays[] = t('%domain is a CDN or a reverse proxy.', $args);
      }
      else {
        if ($r1->code == 404) {
          $nays[] = t('%domain is a static file server.', $args);
        }
        else {
          $nays[] = t('%domain uses the same web server as this Drupal site.', $args);
        }
      }
    }
    variable_set('cdn_reverse_proxy_test', FALSE);
    if (!empty($yays)) {
      drupal_set_message(t('Perfect domains: !yay-list', array(
        '!yay-list' => theme('item_list', array(
          'items' => $yays,
        )),
      )));
    }
    if (!empty($nays)) {
      drupal_set_message(t('Potentially problematic domains: !nay-list', array(
        '!nay-list' => theme('item_list', array(
          'items' => $nays,
        )),
      )), 'warning');
    }
  }
  elseif ($form_state['values'][CDN_MODE_VARIABLE] == CDN_MODE_ADVANCED) {
    $synced_files_db = $form_state['values'][CDN_ADVANCED_SYNCED_FILES_DB_VARIABLE];
    _cdn_admin_validate_synced_files_db($synced_files_db, CDN_ADVANCED_SYNCED_FILES_DB_VARIABLE);
  }
}