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author | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-18 17:50:05 +0100 |
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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/HTML/Pixels.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/HTML/Pixels.php')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Pixels.php | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Pixels.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Pixels.php new file mode 100644 index 000000000..a1d019e09 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Pixels.php @@ -0,0 +1,76 @@ +<?php + +/** + * Validates an integer representation of pixels according to the HTML spec. + */ +class HTMLPurifier_AttrDef_HTML_Pixels extends HTMLPurifier_AttrDef +{ + + /** + * @type int + */ + protected $max; + + /** + * @param int $max + */ + public function __construct($max = null) + { + $this->max = $max; + } + + /** + * @param string $string + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return bool|string + */ + public function validate($string, $config, $context) + { + $string = trim($string); + if ($string === '0') { + return $string; + } + if ($string === '') { + return false; + } + $length = strlen($string); + if (substr($string, $length - 2) == 'px') { + $string = substr($string, 0, $length - 2); + } + if (!is_numeric($string)) { + return false; + } + $int = (int)$string; + + if ($int < 0) { + return '0'; + } + + // upper-bound value, extremely high values can + // crash operating systems, see <http://ha.ckers.org/imagecrash.html> + // WARNING, above link WILL crash you if you're using Windows + + if ($this->max !== null && $int > $this->max) { + return (string)$this->max; + } + return (string)$int; + } + + /** + * @param string $string + * @return HTMLPurifier_AttrDef + */ + public function make($string) + { + if ($string === '') { + $max = null; + } else { + $max = (int)$string; + } + $class = get_class($this); + return new $class($max); + } +} + +// vim: et sw=4 sts=4 |