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fix: CSSTidy ImportantComments not handled properly (#359)

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* fix: CSSTidy ImportantComments not handled properly

Signed-off-by: Francis Lévesque <wolfrank2164@gmail.com>

* fix: CSSTidy ImportantComments not handled properly -> remove comments

Signed-off-by: Francis Lévesque <wolfrank2164@gmail.com>
Co-authored-by: Edward Z. Yang <ezyang@meta.com>
This commit is contained in:
Francis Lévesque 2023-01-21 22:44:44 -05:00 committed by GitHub
parent 9ec687c904
commit 78a9b4d0da
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 175 additions and 158 deletions
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4
library/HTMLPurifier/Filter/ExtractStyleBlocks.php
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@ -146,6 +146,7 @@ class HTMLPurifier_Filter_ExtractStyleBlocks extends HTMLPurifier_Filter
foreach ($this->_tidy->css as $k => $decls) { foreach ($this->_tidy->css as $k => $decls) {
// $decls are all CSS declarations inside an @ selector // $decls are all CSS declarations inside an @ selector
$new_decls = array(); $new_decls = array();
if (is_array($decls)) {
foreach ($decls as $selector => $style) { foreach ($decls as $selector => $style) {
$selector = trim($selector); $selector = trim($selector);
if ($selector === '') { if ($selector === '') {
@ -316,6 +317,9 @@ class HTMLPurifier_Filter_ExtractStyleBlocks extends HTMLPurifier_Filter
} }
$new_decls[$selector] = $style; $new_decls[$selector] = $style;
} }
} else {
continue;
}
$new_css[$k] = $new_decls; $new_css[$k] = $new_decls;
} }
// remove stuff that shouldn't be used, could be reenabled // remove stuff that shouldn't be used, could be reenabled

13
tests/HTMLPurifier/Filter/ExtractStyleBlocksTest.php
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@ -214,6 +214,19 @@ text-align:right
); );
} }
public function test_keepImportantComments()
{
$this->assertCleanCSS(
"/*! Important */
div {
text-align:right /*! Important2 */
}",
"div {
text-align:right
}"
);
}
public function test_atSelector() public function test_atSelector()
{ {
$this->assertCleanCSS( $this->assertCleanCSS(