← All changes | protect/base.php +2 -87 5.22 → 4.74 View file →

		@@ -16,99 +16,14 @@
16	16	$ip = $_SERVER['REMOTE_ADDR'];
17	17	}
18	18
19	19	$ip = trim($ip);
20		- if (WPRHelper::safePregMatch('/^\[([0-9a-fA-F:]+)\](:[0-9]+)$/', $ip, $matches)) {
	20	+ if (preg_match('/^\[([0-9a-fA-F:]+)\](:[0-9]+)$/', $ip, $matches)) {
21	21	$ip = $matches[1];
22		- } elseif (WPRHelper::safePregMatch('/^([0-9.]+)(:[0-9]+)$/', $ip, $matches)) {
	22	+ } elseif (preg_match('/^([0-9.]+)(:[0-9]+)$/', $ip, $matches)) {
23	23	$ip = $matches[1];
24	24	}
25	25
26	26	return $ip;
27		- }
28		-
29		- public static function isIPv6($ip) {
30		- return (false === filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) ? false : true;
31		- }
32		-
33		- public static function hasIPv6Support() {
34		- return defined('AF_INET6');
35		- }
36		-
37		- public static function isValidIP($ip) {
38		- return filter_var($ip, FILTER_VALIDATE_IP) !== false;
39		- }
40		-
41		- public static function bvInetPton($ip) {
42		- $pton = self::isValidIP($ip) ? (self::hasIPv6Support() ? inet_pton($ip) : self::_bvInetPton($ip)) : false;
43		- return $pton;
44		- }
45		-
46		- public static function _bvInetPton($ip) {
47		- if (WPRHelper::safePregMatch('/^(?:\d{1,3}(?:\.|$)){4}/', $ip)) {
48		- $octets = explode('.', $ip);
49		- $bin = chr($octets[0]) . chr($octets[1]) . chr($octets[2]) . chr($octets[3]);
50		- return $bin;
51		- }
52		-
53		- if (WPRHelper::safePregMatch('/^((?:[\da-f]{1,4}(?::|)){0,8})(::)?((?:[\da-f]{1,4}(?::|)){0,8})$/i', $ip)) {
54		- if ($ip === '::') {
55		- return "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
56		- }
57		- $colon_count = substr_count($ip, ':');
58		- $dbl_colon_pos = strpos($ip, '::');
59		- if ($dbl_colon_pos !== false) {
60		- $ip = str_replace('::', str_repeat(':0000',
61		- (($dbl_colon_pos === 0 || $dbl_colon_pos === strlen($ip) - 2) ? 9 : 8) - $colon_count) . ':', $ip);
62		- $ip = trim($ip, ':');
63		- }
64		-
65		- $ip_groups = explode(':', $ip);
66		- $ipv6_bin = '';
67		- foreach ($ip_groups as $ip_group) {
68		- $ipv6_bin .= pack('H*', str_pad($ip_group, 4, '0', STR_PAD_LEFT));
69		- }
70		-
71		- return strlen($ipv6_bin) === 16 ? $ipv6_bin : false;
72		- }
73		-
74		- if (WPRHelper::safePregMatch('/^(?:\:(?:\:0{1,4}){0,4}\:|(?:0{1,4}\:){5})ffff\:(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/i', $ip, $matches)) {
75		- $octets = explode('.', $matches[1]);
76		- return chr($octets[0]) . chr($octets[1]) . chr($octets[2]) . chr($octets[3]);
77		- }
78		-
79		- return false;
80		- }
81		-
82		- public static function isIPInRange($start_ip_range, $end_ip_range, $ip) {
83		- $bin_ip = null;
84		- if ($ip) {
85		- $bin_ip = self::bvInetPton($ip);
86		- }
87		- if ($bin_ip && $bin_ip >= self::bvInetPton($start_ip_range)
88		- && $bin_ip <= self::bvInetPton($end_ip_range)) {
89		- return true;
90		- }
91		- return false;
92		- }
93		-
94		- public static function isPrivateIP($ip) {
95		- $private_ip_ranges = array(
96		- array("10.0.0.0", "10.255.255.255"),
97		- array("172.16.0.0", "172.31.255.255"),
98		- array("192.168.0.0", "192.168.255.255"),
99		- array("127.0.0.1", "127.255.255.255"),
100		- array("::1","::1"),
101		- array("fc00::","fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
102		- );
103		-
104		- $result = false;
105		- foreach ($private_ip_ranges as $ip_range) {
106		- $result = self::isIPInRange($ip_range[0], $ip_range[1], $ip);
107		- if($result) {
108		- return $result;
109		- }
110		- }
111		- return $result;
112	27	}
113	28	}
114	29	endif;