function private_files_download_permission_settings_validate in Private files download permission 7

Form callback (validation).

File

./private_files_download_permission.module, line 63

Handles both module settings and its behaviour.

Code

function private_files_download_permission_settings_validate($form, &$form_state) {

  // Make sure the unprotected subfolder variable does not use leading or trailing slashes.
  $unprotected_subfolder = $form_state['values']['private_files_download_permission_unprotected_subfolder'];
  if (0 < drupal_strlen($unprotected_subfolder)) {
    $first_char = drupal_substr($unprotected_subfolder, 0, 1);
    $last_char = drupal_substr($unprotected_subfolder, -1, 1);
    if ('/' == $first_char || '\\' == $first_char) {
      form_set_error('private_files_download_permission_unprotected_subfolder', t('You cannot use leading slashes.'));
    }
    if ('/' == $last_char || '\\' == $last_char) {
      form_set_error('private_files_download_permission_unprotected_subfolder', t('You cannot use trailing slashes.'));
    }
  }
}