/** * Check protected/allowed extension * * @param string $extension * @return boolean */ public function checkAllowedExtension($extension) { //validate with protected file types /** @var $validator Mage_Core_Model_File_Validator_NotProtectedExtension */ $validator = Mage::getSingleton('core/file_validator_notProtectedExtension'); if (!$validator->isValid($extension)) { return false; } return parent::checkAllowedExtension($extension); }