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Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/URI/IPv6.php')
-rw-r--r--inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/URI/IPv6.php89
1 files changed, 0 insertions, 89 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/URI/IPv6.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/URI/IPv6.php
deleted file mode 100644
index 67f148bd..00000000
--- a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/URI/IPv6.php
+++ /dev/null
@@ -1,89 +0,0 @@
1<?php
2
3/**
4 * Validates an IPv6 address.
5 * @author Feyd @ forums.devnetwork.net (public domain)
6 * @note This function requires brackets to have been removed from address
7 * in URI.
8 */
9class HTMLPurifier_AttrDef_URI_IPv6 extends HTMLPurifier_AttrDef_URI_IPv4
10{
11
12 /**
13 * @param string $aIP
14 * @param HTMLPurifier_Config $config
15 * @param HTMLPurifier_Context $context
16 * @return bool|string
17 */
18 public function validate($aIP, $config, $context)
19 {
20 if (!$this->ip4) {
21 $this->_loadRegex();
22 }
23
24 $original = $aIP;
25
26 $hex = '[0-9a-fA-F]';
27 $blk = '(?:' . $hex . '{1,4})';
28 $pre = '(?:/(?:12[0-8]|1[0-1][0-9]|[1-9][0-9]|[0-9]))'; // /0 - /128
29
30 // prefix check
31 if (strpos($aIP, '/') !== false) {
32 if (preg_match('#' . $pre . '$#s', $aIP, $find)) {
33 $aIP = substr($aIP, 0, 0 - strlen($find[0]));
34 unset($find);
35 } else {
36 return false;
37 }
38 }
39
40 // IPv4-compatiblity check
41 if (preg_match('#(?<=:' . ')' . $this->ip4 . '$#s', $aIP, $find)) {
42 $aIP = substr($aIP, 0, 0 - strlen($find[0]));
43 $ip = explode('.', $find[0]);
44 $ip = array_map('dechex', $ip);
45 $aIP .= $ip[0] . $ip[1] . ':' . $ip[2] . $ip[3];
46 unset($find, $ip);
47 }
48
49 // compression check
50 $aIP = explode('::', $aIP);
51 $c = count($aIP);
52 if ($c > 2) {
53 return false;
54 } elseif ($c == 2) {
55 list($first, $second) = $aIP;
56 $first = explode(':', $first);
57 $second = explode(':', $second);
58
59 if (count($first) + count($second) > 8) {
60 return false;
61 }
62
63 while (count($first) < 8) {
64 array_push($first, '0');
65 }
66
67 array_splice($first, 8 - count($second), 8, $second);
68 $aIP = $first;
69 unset($first, $second);
70 } else {
71 $aIP = explode(':', $aIP[0]);
72 }
73 $c = count($aIP);
74
75 if ($c != 8) {
76 return false;
77 }
78
79 // All the pieces should be 16-bit hex strings. Are they?
80 foreach ($aIP as $piece) {
81 if (!preg_match('#^[0-9a-fA-F]{4}$#s', sprintf('%04s', $piece))) {
82 return false;
83 }
84 }
85 return $original;
86 }
87}
88
89// vim: et sw=4 sts=4