function _filefield_source_remote_mime_extension in FileField Sources 7

Get/set the remote file extension in a static variable.

2 calls to _filefield_source_remote_mime_extension()

filefield_source_remote_value in sources/remote.inc

A #filefield_value_callback function.

_filefield_source_remote_parse_header in sources/remote.inc

Parse cURL header and record the filename specified in Content-Disposition.

File

sources/remote.inc, line 306

A FileField extension to allow referencing of existing files.

Code

function _filefield_source_remote_mime_extension($curl_mime_type = NULL) {
  static $extension = NULL;
  if (isset($curl_mime_type)) {
    include_once DRUPAL_ROOT . '/includes/file.mimetypes.inc';
    $curl_mime_type = drupal_strtolower($curl_mime_type);
    $mapping = file_mimetype_mapping();

    // See if this matches a known MIME type.
    $map_id = array_search($curl_mime_type, $mapping['mimetypes']);
    if ($map_id !== FALSE) {

      // If we have a match, get this list of likely extensions. For some reason
      // Drupal lists the "most common" extension last for most file types
      // including php, jpg, and doc.
      if ($extensions = array_keys($mapping['extensions'], $map_id)) {
        $extension = end($extensions);
      }
    }
  }
  return $extension;
}