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31 lines
643 B
PHP
31 lines
643 B
PHP
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<?php
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require_once 'HTMLPurifier/AttrDef.php';
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// spliced from Feyd's IPv6 function (pd)
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class HTMLPurifier_AttrDef_IPv4 extends HTMLPurifier_AttrDef
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{
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// regex is public so that IPv6 can reuse it
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var $ip4;
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function HTMLPurifier_AttrDef_IPv4() {
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$oct = '(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])'; // 0-255
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$this->ip4 = "(?:{$oct}\\.{$oct}\\.{$oct}\\.{$oct})";
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}
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function validate($aIP, $config, &$context) {
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if (preg_match('#^' . $this->ip4 . '$#s', $aIP))
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{
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return $aIP;
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}
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return false;
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}
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}
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?>
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