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NOISSUE, add ipfilter class

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khongchi 2013-11-28 16:16:49 +09:00
parent 25ae16e15b
commit 98d3408919
1 changed files with 95 additions and 0 deletions
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95
classes/security/IpFilter.class.php Normal file
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<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */
class IpFilter
{
public function filter($ip_list, $ip)
{
$long_ip = ip2long($ip);
foreach($ip_list as $filter_ip)
{
$range = explode('-', $filter_ip);
if(!$range[1]) // single address type
{
$star_pos = strpos($filter_ip, '*');
if($star_pos !== FALSE ) // wild card exist
{
if(strncmp($filter_ip, $ip, $star_pos)===0) return true;
}
else
{
if(strcmp($filter_ip, $ip)===0) return true;
}
}
else if(ip2long($range[0]) <= $long_ip && ip2long($range[1]) >= $long_ip)
{
return true;
}
}
return false;
}
public function filter2($ip_list, $ip)
{
$long_ip = ip2long($ip);
foreach($ip_list as $filter_ip)
{
$range = explode('-', $filter_ip);
if(!$range[1]) // single address type
{
$range[1] = str_replace('*', '255', $range[0]);
$range[0] = str_replace('*', '0', $range[0]);
}
if(ip2long($range[0]) <= $long_ip && ip2long($range[1]) >= $long_ip)
{
return true;
}
}
return false;
}
public function validate($ip_list = array())
{
/* 사용가능한 표현
192.168.2.10 - 4자리의 정확한 ip주소
192.168.*.* - 와일드카드(*)가 사용된 4자리의 ip주소, a클래스에는 와일드카드 사용불가, 와일드카드 이후의 아이피주소 허용(but, 처리시 와일드카드로 처리)
192.168.1.1-192.168.1.10 - '-'로 구분된 정확한 4자리의 ip주소 2개
*/
$regex = "/^
(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.)
(?:
(?:
(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){2}
(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)-){1}
(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}
(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$)
)
|
(?:
(?:(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|(?:\*))\.){2}
(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|(?:\*))
)
)
$/";
$regex = str_replace(array("\r\n", "\n", "\r","\t"," "), '', $regex);
$regex = '/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.)(?:(?:(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){2}(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)-){1}(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$))|(?:(?:(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|(?:\*))\.){2}(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|(?:\*))))$/';
foreach($ip_list as $i => $ip)
{
preg_match($regex, $ip, $matches);
if(!count($matches)) return false;
}
return true;
}
}
/* End of file : IpFilter.class.php */
/* Location: ./classes/security/IpFilter.class.php */