CI hwp 파일 업로드 (unknown file extension upload), 다운로드

unknown file extension upload

// CI2, CI3 : application/config/mimes.php Add MIME type
	'hwp'   => Array('application/unknown', 'text/plain')

// CI 2.2.6 : system/libraries/Upload.php Modify
	public function mimes_types($mime)
	{
		global $mimes;

		if (count($this->mimes) == 0)
		{
			if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
			{
				// include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
				$mimes = include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
			}
			elseif (is_file(APPPATH.'config/mimes.php'))
			{
				// include(APPPATH.'config/mimes.php');
				$mimes = include(APPPATH.'config/mimes.php');
			}
			else
			{
				return FALSE;
			}

			$this->mimes = $mimes;
			unset($mimes);
		}

		return ( ! isset($this->mimes[$mime])) ? FALSE : $this->mimes[$mime];
	}