diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
commit | 8ca6cc32b2c789a3149861159ad258f2cb9491e3 (patch) | |
tree | 2492de6f1528dd44eaa169a5c1555026d9cb75ec /library/vendor/HTMLPurifier/AttrDef/URI/IPv4.php | |
parent | Initial commit. (diff) | |
download | icingaweb2-upstream.tar.xz icingaweb2-upstream.zip |
Adding upstream version 2.11.4.upstream/2.11.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/vendor/HTMLPurifier/AttrDef/URI/IPv4.php')
-rw-r--r-- | library/vendor/HTMLPurifier/AttrDef/URI/IPv4.php | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/library/vendor/HTMLPurifier/AttrDef/URI/IPv4.php b/library/vendor/HTMLPurifier/AttrDef/URI/IPv4.php new file mode 100644 index 0000000..30ac16c --- /dev/null +++ b/library/vendor/HTMLPurifier/AttrDef/URI/IPv4.php @@ -0,0 +1,45 @@ +<?php + +/** + * Validates an IPv4 address + * @author Feyd @ forums.devnetwork.net (public domain) + */ +class HTMLPurifier_AttrDef_URI_IPv4 extends HTMLPurifier_AttrDef +{ + + /** + * IPv4 regex, protected so that IPv6 can reuse it. + * @type string + */ + protected $ip4; + + /** + * @param string $aIP + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return bool|string + */ + public function validate($aIP, $config, $context) + { + if (!$this->ip4) { + $this->_loadRegex(); + } + + if (preg_match('#^' . $this->ip4 . '$#s', $aIP)) { + return $aIP; + } + return false; + } + + /** + * Lazy load function to prevent regex from being stuffed in + * cache. + */ + protected function _loadRegex() + { + $oct = '(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])'; // 0-255 + $this->ip4 = "(?:{$oct}\\.{$oct}\\.{$oct}\\.{$oct})"; + } +} + +// vim: et sw=4 sts=4 |