Fix : CSS Child Combinator Parsing Bug - #297
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subbudvk
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mikesamuel
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Jan 9, 2024
| break; | ||
| case '>': | ||
| if (i >= 2 && sb.charAt(i - 2) == '-' && sb.charAt(i - 2) == '-') { | ||
| if (i >= 2 && sb.charAt(i - 2) == '-' && sb.charAt(i - 1) == '-') { |
| } | ||
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| @Test | ||
| @Test |
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This is just an opportunistic fix while merging.
| + "-->\n" | ||
| + "</style>"; | ||
| assertEquals(toSanitize, factory.sanitize(toSanitize)); | ||
| } |
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Thanks for the unit test.
|
@subbudvk Thanks for fixing the bug. |
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241b4b8#diff-0a08f29a5b7867e56d6aa9f6abe035e32ee9411a8bc96afa9a6acff2a6d6f07fR338
The above commit was made to make parsing consistent with HTML5 Spec, but while this is being rewritten it looks like a regression was introduced when parsing for
>To ensure this entity
>is part of a HTML Comment it seems to have been checked the previous two characters are-but with this commit onlychar - 2is checked twice. So if a CSS Child combinator with-selector is used, it was treated was a error and as a result user CSS was badly stripped. Fixing this and adding a test for it.Fixes #251