function imagefield_file_download in ImageField 6.3

Implementation of hook_file_download.

File

./imagefield.module, line 86

Code

function imagefield_file_download($filepath) {

  // Return headers for admin thumbnails if private files are enabled.
  if (strpos($filepath, 'imagefield_thumbs') !== FALSE) {
    $original_path = str_replace('imagefield_thumbs/', '', $filepath);
    $original_full_path = file_create_path($original_path);
    $thumb_full_path = file_create_path($filepath);

    // Allow access to temporary thumbnails, since they're not yet associated
    // with a node. If not temporary, check access on the original file.
    $status = db_result(db_query("SELECT status FROM {files} WHERE filepath = '%s'", $original_full_path));
    $access = $status == 0 || !in_array(-1, module_invoke_all('file_download', $original_path));
    if ($access && ($info = getimagesize($thumb_full_path))) {
      return array(
        'Content-Type: ' . $info['mime'],
        'Content-Length: ' . filesize($thumb_full_path),
      );
    }
  }

  // Return headers for default images.
  if (strpos($filepath, 'imagefield_default_images') !== FALSE) {
    $full_path = file_create_path($filepath);
    if ($info = getimagesize($full_path)) {
      return array(
        'Content-Type: ' . $info['mime'],
        'Content-Length: ' . filesize($full_path),
      );
    }
  }
}