function freelinking_external_callback in Freelinking 7.3

1 string reference to 'freelinking_external_callback'

freelinking_external.inc in plugins/freelinking_external.inc

File

plugins/freelinking_external.inc, line 26

Code

function freelinking_external_callback($target, $plugin) {
  $dest = ltrim($target['dest'], '/');
  $url = "http{$plugin['protocol']}://{$dest}";
  $scrape = !variable_get('freelinking_external_http_request', TRUE);
  if ($scrape) {
    $result = drupal_http_request($url, array(
      'headers' => array(),
    ));
    if (!$result->code || 400 <= $result->code) {
      return array(
        'failover' => 'error',
        'message' => t('External target “@url” not found', array(
          '@url' => $url,
        )),
      );
    }
  }
  $tooltip = $target['tooltip'] ? $target['tooltip'] : $plugin['tip'];
  if (!$target['text'] && $scrape) {
    $found_title = preg_match('/<h1.*>(.*)<\\/h1>/', $result->data, $matches);
    if ($found_title) {
      if (strlen($matches[1]) < 3) {
        $found_title = preg_match('/<h2.*>(.*)<\\/h2>/', $result->data, $matches);
      }
    }
    if ($found_title) {

      // regex to scrape title from page worked.
      $replacement = array(
        t('Ext. link: “@title”', array(
          '@title' => $matches[1],
        )),
        check_url($url),
        array(
          'attributes' => array(
            'title' => $tooltip,
          ),
        ),
      );
    }
  }
  elseif ($target['text']) {
    $replacement = array(
      check_plain($target['text']),
      check_url($url),
      array(
        'attributes' => array(
          'title' => $tooltip,
        ),
      ),
    );
  }
  if (empty($replacement)) {
    $replacement = array(
      check_plain($url),
      check_url($url),
      array(
        'attributes' => array(
          'title' => $tooltip,
        ),
      ),
    );
  }
  return $replacement;
}