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mirror of https://github.com/ezyang/htmlpurifier.git synced 2024-11-08 06:48:42 +00:00

Fix mungeRgb to handle percent, float and hsl values

This commit is contained in:
f.godfrin 2017-02-10 00:38:05 +01:00
parent bd92f3531b
commit 0bab4b9fd0
2 changed files with 17 additions and 6 deletions

View File

@ -9,7 +9,6 @@
* Besides defining (through code) what precisely makes the string valid,
* subclasses are also responsible for cleaning the code if possible.
*/
abstract class HTMLPurifier_AttrDef
{
@ -86,7 +85,13 @@ abstract class HTMLPurifier_AttrDef
*/
protected function mungeRgb($string)
{
return preg_replace('/rgb\((\d+)\s*,\s*(\d+)\s*,\s*(\d+)\)/', 'rgb(\1,\2,\3)', $string);
$p = '(\d+(\.\d+)?([%]?))';
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('/(rgb|hsl)\(' . $p . '\s*,\s*' . $p . '\s*,\s*' . $p . '\)/', '\1(\2,\5,\8)', $string);
}
/**

View File

@ -12,12 +12,18 @@ class HTMLPurifier_AttrDef_CSS_BackgroundTest extends HTMLPurifier_AttrDefHarnes
$this->assertDef($valid);
$this->assertDef('url(\'chess.png\') #333 50% top repeat fixed', $valid);
$this->assertDef(
'rgb(34, 56, 33) url(chess.png) repeat fixed top',
'rgb(34,56,33) url("chess.png") repeat fixed top'
'rgb(34%, 56%, 33%) url(chess.png) repeat fixed top',
'rgb(34%,56%,33%) url("chess.png") repeat fixed top'
);
$this->assertDef(
'rgba(74, 12, 85, 0.35) repeat fixed bottom',
'rgba(74,12,85,.35) repeat fixed bottom'
);
$this->assertDef(
'hsl(244, 47.4%, 88.1%) right center',
'hsl(244,47.4%,88.1%) right center'
);
}
}
// vim: et sw=4 sts=4