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Add kses support for repeat #4637

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tellthemachines wants to merge 3 commits into from
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Add kses support for repeat #4637

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ec289a6
Add kses support for repeat
tellthemachines Jun 19, 2023
79472f5
Re-add deleted lines
tellthemachines Jun 20, 2023
a770e98
Add test for unsupported function
tellthemachines Jun 20, 2023
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4 changes: 2 additions & 2 deletions src/wp-includes/kses.php
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Original file line number Diff line number Diff line change
Expand Up @@ -2279,7 +2279,7 @@ function kses_init() {
* Extended `margin-*` and `padding-*` support for logical properties.
* @since 6.2.0 Added support for `aspect-ratio`, `position`, `top`, `right`, `bottom`, `left`,
* and `z-index` CSS properties.
* @since 6.3.0 Extended support for `filter` to accept a URL.
* @since 6.3.0 Extended support for `filter` to accept a URL and added support for repeat().
*
* @param string $css A string of CSS rules.
* @param string $deprecated Not used.
Expand Down Expand Up @@ -2563,7 +2563,7 @@ function safecss_filter_attr( $css, $deprecated = '' ) {
* Nested functions and parentheses are also removed, so long as the parentheses are balanced.
*/
$css_test_string = preg_replace(
'/\b(?:var|calc|min|max|minmax|clamp)(\((?:[^()]|(?1))*\))/',
'/\b(?:var|calc|min|max|minmax|clamp|repeat)(\((?:[^()]|(?1))*\))/',
'',
$css_test_string
);
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24 changes: 22 additions & 2 deletions tests/phpunit/tests/kses.php
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Original file line number Diff line number Diff line change
Expand Up @@ -937,6 +937,7 @@ public function test_wp_kses_attr_no_attributes_allowed_with_false() {
* @ticket 48376
* @ticket 55966
* @ticket 56122
* @ticket 58551
* @dataProvider data_safecss_filter_attr
*
* @param string $css A string of CSS rules.
Expand Down Expand Up @@ -1047,9 +1048,9 @@ public function data_safecss_filter_attr() {
'css' => 'grid-template-rows: 40px 4em 40px;grid-auto-rows: min-content;grid-row-start: -1;grid-row-end: 3;grid-row-gap: 1em',
'expected' => 'grid-template-rows: 40px 4em 40px;grid-auto-rows: min-content;grid-row-start: -1;grid-row-end: 3;grid-row-gap: 1em',
),
// `grid` does not yet support functions or `\`.
// `grid` does not yet support `\`.
array(
'css' => 'grid-template-columns: repeat(2, 50px 1fr);grid-template: 1em / 20% 20px 1fr',
'css' => 'grid-template: 1em / 20% 20px 1fr',
'expected' => '',
),
// `flex` and `grid` alignments introduced in 5.3.
Expand Down Expand Up @@ -1321,6 +1322,25 @@ public function data_safecss_filter_attr() {
'css' => 'filter: url( my-file.svg#svg-blur );',
'expected' => 'filter: url( my-file.svg#svg-blur )',
),
// Support for `repeat` function.
array(
'css' => 'grid-template-columns: repeat(4, minmax(0, 1fr))',
'expected' => 'grid-template-columns: repeat(4, minmax(0, 1fr))',
),
array(
'css' => 'grid-template-columns: repeat(auto-fill, minmax(min(12rem, 100%), 1fr))',
'expected' => 'grid-template-columns: repeat(auto-fill, minmax(min(12rem, 100%), 1fr))',
),
// Malformed repeat, no closing `)`.
array(
'css' => 'grid-template-columns: repeat(4, minmax(0, 1fr)',
'expected' => '',
),
// Malformed repeat, contains unsupported function.
array(
'css' => 'grid-template-columns: repeat(4, unsupported(0, 1fr)',
'expected' => '',
),
);
}

Expand Down