function image_fetch in Image 6

Same name and namespace in other branches

1. 5.2 image.module \image_fetch()
2. 5 image.module \image_fetch()

Fetches an image file, allows "shorthand" image urls such of the form: image/view/$nid/$label (e.g. image/view/25/thumbnail or image/view/14)

1 string reference to 'image_fetch'

image_menu in ./image.module

Implementation of hook_menu

File

./image.module, line 658

Code

function image_fetch($nid = 0, $size = IMAGE_PREVIEW) {
  if ($size == IMAGE_ORIGINAL && !user_access('view original images')) {
    return drupal_access_denied();
  }
  if (isset($nid)) {
    $node = node_load(array(
      'type' => 'image',
      'nid' => $nid,
    ));
    if ($node) {
      if (!node_access('view', $node)) {
        return drupal_access_denied();
      }
      if (isset($node->images[$size])) {
        $file = $node->images[$size];
        if (file_exists(file_create_path($file))) {
          $headers = module_invoke_all('file_download', $file);
          if ($headers == -1) {
            return drupal_access_denied();
          }
          file_transfer($file, $headers);
        }
      }
    }
  }
  return drupal_not_found();
}