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Better regex for mungeRgb

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This commit is contained in:
f.godfrin 2017-02-10 00:40:56 +01:00
parent 0bab4b9fd0
commit 17a90a951a
1 changed files with 4 additions and 3 deletions
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7
library/HTMLPurifier/AttrDef.php
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@ -9,6 +9,7 @@
* Besides defining (through code) what precisely makes the string valid,
* subclasses are also responsible for cleaning the code if possible.
*/
abstract class HTMLPurifier_AttrDef
{
@ -85,13 +86,13 @@ abstract class HTMLPurifier_AttrDef
*/
protected function mungeRgb($string)
{
$p = '(\d+(\.\d+)?([%]?))';
$p = '\s*(\d+(\.\d+)?([%]?))\s*';
if (preg_match('/(rgba|hsla)\(/', $string)) {
return preg_replace('/(rgba|hsla)\(' . $p . '\s*,\s*' . $p . '\s*,\s*' . $p . '\s*,\s*' . $p . '\)/', '\1(\2,\5,\8,\11)', $string);
return preg_replace('/(rgba|hsla)\('.$p.','.$p.','.$p.','.$p.'\)/', '\1(\2,\5,\8,\11)', $string);
}
return preg_replace('/(rgb|hsl)\(' . $p . '\s*,\s*' . $p . '\s*,\s*' . $p . '\)/', '\1(\2,\5,\8)', $string);
return preg_replace('/(rgb|hsl)\('.$p.','.$p.','.$p.'\)/', '\1(\2,\5,\8)', $string);
}
/**