"Safe File name" in CF v5?

In Chronoforms v4, the File Upload action had a field called "Safe File name" which we could set to Yes or No. This appears to have gone in v5. How can I cleanse a file name?

I notice that there is a new field called "File name code". Must we now provide our own cleansing code? If so, could someone give an example?

Many thanks.

Hi adrian99,

I hadn't noticed that it wasn't there any more :-(

The old CFv4 version used this

$file_name = JFile::makeSafe($file_post['name']);

but this does not remove spaces as far as I can see. Here is the function:

	/**
	 * Makes file name safe to use
	 *
	 * @param   string  $file  The name of the file [not full path]
	 *
	 * @return  string  The sanitised string
	 *
	 * @since   11.1
	 */
	public static function makeSafe($file)
	{
		// Remove any trailing dots, as those aren't ever valid file names.
		$file = rtrim($file, '.');

		$regex = array('#(\.){2,}#', '#[^A-Za-z0-9\.\_\- ]#', '#^\.#');

		return trim(preg_replace($regex, '', $file));
	}

My Upload Files [GH] action used this function:

  /**
   * source: http://cubiq.org/the-perfect-php-clean-url-generator
   * author: Matteo Spinelli
   * MIT License / http://creativecommons.org/licenses/by-sa/3.0/ (please re-check at source)
   */
  function toSlug($str, $replace=array(), $delimiter='-')
  {
    setlocale(LC_ALL, 'en_US.UTF8');
    if( !empty($replace) ) {
      $str = str_replace((array)$replace, ' ', $str);
    }
    $clean = iconv('UTF-8', 'ASCII//TRANSLIT', $str);
    $clean = preg_replace("/[^a-zA-Z0-9\/_|+ -]/", '', $clean);
    $clean = strtolower(trim($clean, '-'));
    $clean = preg_replace("/[\/_|+ -]+/", $delimiter, $clean);

    return $clean;
  }

, or there is a more comprehensive version on Google Code here.

Whichever does the cleaning you need, you'd use a Custom Code action after the Upload Files action to create the new name, then 'move' the file to rename it; then update $form->files with the new information.

Bob

Many thanks for a very comprehensive answer.

Hi,

This setting is available in v5 and its hardcoded, you can't disable it!

Regards,
Max