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Code Issues Releases Wiki Activity

feat: Allow universal CSS values for all properties (#410)

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This commit is contained in:
John Flatness
2024-06-28 08:37:00 -04:00
committed by GitHub
parent 93bee73349
commit 972326785d
5 changed files with 43 additions and 21 deletions
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14
library/HTMLPurifier/AttrDef/CSS.php
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@@ -27,6 +27,13 @@ class HTMLPurifier_AttrDef_CSS extends HTMLPurifier_AttrDef
$definition = $config->getCSSDefinition();
$allow_duplicates = $config->get("CSS.AllowDuplicates");
$universal_attrdef = new HTMLPurifier_AttrDef_Enum(
array(
'initial',
'inherit',
'unset',
)
);
// According to the CSS2.1 spec, the places where a
// non-delimiting semicolon can appear are in strings
@@ -96,16 +103,13 @@ class HTMLPurifier_AttrDef_CSS extends HTMLPurifier_AttrDef
if (!$ok) {
continue;
}
// inefficient call, since the validator will do this again
if (strtolower(trim($value)) !== 'inherit') {
// inherit works for everything (but only on the base property)
$result = $universal_attrdef->validate($value, $config, $context);
if ($result === false) {
$result = $definition->info[$property]->validate(
$value,
$config,
$context
);
} else {
$result = 'inherit';
}
if ($result === false) {
continue;