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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
commit | 8ca6cc32b2c789a3149861159ad258f2cb9491e3 (patch) | |
tree | 2492de6f1528dd44eaa169a5c1555026d9cb75ec /library/vendor/HTMLPurifier/AttrDef/HTML/Color.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 '')
-rw-r--r-- | library/vendor/HTMLPurifier/AttrDef/HTML/Color.php | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/library/vendor/HTMLPurifier/AttrDef/HTML/Color.php b/library/vendor/HTMLPurifier/AttrDef/HTML/Color.php new file mode 100644 index 0000000..946ebb7 --- /dev/null +++ b/library/vendor/HTMLPurifier/AttrDef/HTML/Color.php @@ -0,0 +1,51 @@ +<?php + +/** + * Validates a color according to the HTML spec. + */ +class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef +{ + + /** + * @param string $string + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return bool|string + */ + public function validate($string, $config, $context) + { + static $colors = null; + if ($colors === null) { + $colors = $config->get('Core.ColorKeywords'); + } + + $string = trim($string); + + if (empty($string)) { + return false; + } + $lower = strtolower($string); + if (isset($colors[$lower])) { + return $colors[$lower]; + } + if ($string[0] === '#') { + $hex = substr($string, 1); + } else { + $hex = $string; + } + + $length = strlen($hex); + if ($length !== 3 && $length !== 6) { + return false; + } + if (!ctype_xdigit($hex)) { + return false; + } + if ($length === 3) { + $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2]; + } + return "#$hex"; + } +} + +// vim: et sw=4 sts=4 |