/**
* Get allowed extension.
*
* @return string
*/
protected function getAllowedExtensions()
{
return implode("','", PermissionUtility::getInstance()->getAllowedExtensions());
}
/**
* Check whether the file is allowed
*
* @param string $fileName
*/
public function checkFileAllowed($fileName)
{
$isAllowed = $this->checkFileExtensionPermission($fileName);
if (!$isAllowed) {
$these = PermissionUtility::getInstance()->getAllowedExtensionList();
$this->throwException('File has an invalid extension, it should be one of ' . $these . '.');
}
}