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Code Issues Projects Releases Wiki Activity

Restore checkbox rendering and prevent poor sanitization of spans (#11277)

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* Add test

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Restore checkbox rendering and prevent poor sanitization of spans

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Also fix preview context

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Also fix preview context

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath
2020-05-03 21:17:24 +01:00
committed by GitHub
parent 940ed92392
commit ce66ca7f9f
4 changed files with 21 additions and 3 deletions
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5
modules/markup/sanitizer.go
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@ -58,15 +58,16 @@ func ReplaceSanitizer() {
// Allow icons
sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`^icon(\s+[\p{L}\p{N}_-]+)+$`)).OnElements("i")
sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`^((icon(\s+[\p{L}\p{N}_-]+)+)|(ui checkbox)|(ui checked checkbox))$`)).OnElements("span")
// Allow unlabelled labels
sanitizer.policy.AllowNoAttrs().OnElements("label")
// Allow classes for emojis
sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`emoji`)).OnElements("span")
sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`emoji`)).OnElements("img")
// Allow icons, checkboxes and emojis on span
sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`^((icon(\s+[\p{L}\p{N}_-]+)+)|(ui checkbox)|(ui checked checkbox)|(emoji))$`)).OnElements("span")
// Allow generally safe attributes
generalSafeAttrs := []string{"abbr", "accept", "accept-charset",
"accesskey", "action", "align", "alt",