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[2.1.4] [MFH] Color and CSS bugfixes from r1473

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/branches/php4@1710 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2008-05-15 04:01:45 +00:00
parent 36badb06f6
commit 21c6803401
3 changed files with 24 additions and 9 deletions
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22
library/HTMLPurifier/AttrDef/CSS/Color.php
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@@ -39,20 +39,13 @@ class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
if ($colors === null) $colors = $config->get('Core', 'ColorKeywords');
$color = trim($color);
if (!$color) return false;
if ($color === '') return false;
$lower = strtolower($color);
if (isset($colors[$lower])) return $colors[$lower];
if ($color[0] === '#') {
// hexadecimal handling
$hex = substr($color, 1);
$length = strlen($hex);
if ($length !== 3 && $length !== 6) return false;
if (!ctype_xdigit($hex)) return false;
} else {
if (strpos($color, 'rgb(') !== false) {
// rgb literal handling
if (strpos($color, 'rgb(')) return false;
$length = strlen($color);
if (strpos($color, ')') !== $length - 1) return false;
$triad = substr($color, 4, $length - 4 - 1);
@@ -90,6 +83,17 @@ class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
}
$new_triad = implode(',', $new_parts);
$color = "rgb($new_triad)";
} else {
// hexadecimal handling
if ($color[0] === '#') {
$hex = substr($color, 1);
} else {
$hex = $color;
$color = '#' . $color;
}
$length = strlen($hex);
if ($length !== 3 && $length !== 6) return false;
if (!ctype_xdigit($hex)) return false;
}
return $color;