diff options
author | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-18 17:50:05 +0100 |
---|---|---|
committer | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-26 00:41:27 +0100 |
commit | f718e2b0db0fe3477212a8dd6c3ec067f4432862 (patch) | |
tree | 8dfbd3b3d4bdcd967b50f1ee4655440bcdef5bb8 /vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php | |
parent | 2115eb26a7fd2ca937286bd4e98ab74c7d6e9525 (diff) | |
download | volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.tar.gz volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.tar.bz2 volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.zip |
:arrow_up: Update HTML Purifier library.
Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility.
Used composer to manage this library.
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php new file mode 100644 index 000000000..bde4c3301 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php @@ -0,0 +1,77 @@ +<?php + +/** + * Microsoft's proprietary filter: CSS property + * @note Currently supports the alpha filter. In the future, this will + * probably need an extensible framework + */ +class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef +{ + /** + * @type HTMLPurifier_AttrDef_Integer + */ + protected $intValidator; + + public function __construct() + { + $this->intValidator = new HTMLPurifier_AttrDef_Integer(); + } + + /** + * @param string $value + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return bool|string + */ + public function validate($value, $config, $context) + { + $value = $this->parseCDATA($value); + if ($value === 'none') { + return $value; + } + // if we looped this we could support multiple filters + $function_length = strcspn($value, '('); + $function = trim(substr($value, 0, $function_length)); + if ($function !== 'alpha' && + $function !== 'Alpha' && + $function !== 'progid:DXImageTransform.Microsoft.Alpha' + ) { + return false; + } + $cursor = $function_length + 1; + $parameters_length = strcspn($value, ')', $cursor); + $parameters = substr($value, $cursor, $parameters_length); + $params = explode(',', $parameters); + $ret_params = array(); + $lookup = array(); + foreach ($params as $param) { + list($key, $value) = explode('=', $param); + $key = trim($key); + $value = trim($value); + if (isset($lookup[$key])) { + continue; + } + if ($key !== 'opacity') { + continue; + } + $value = $this->intValidator->validate($value, $config, $context); + if ($value === false) { + continue; + } + $int = (int)$value; + if ($int > 100) { + $value = '100'; + } + if ($int < 0) { + $value = '0'; + } + $ret_params[] = "$key=$value"; + $lookup[$key] = true; + } + $ret_parameters = implode(',', $ret_params); + $ret_function = "$function($ret_parameters)"; + return $ret_function; + } +} + +// vim: et sw=4 sts=4 |