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Improve some sanitizer rules #32534

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Improve some sanitizer rules #32534

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2 changes: 1 addition & 1 deletion modules/markup/asciicast/asciicast.go
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ const (
// SanitizerRules implements markup.Renderer
func (Renderer) SanitizerRules() []setting.MarkupSanitizerRule {
return []setting.MarkupSanitizerRule{
{Element: "div", AllowAttr: "class", Regexp: regexp.MustCompile(playerClassName)},
{Element: "div", AllowAttr: "class", Regexp: regexp.MustCompile("^" + playerClassName + "$")},
{Element: "div", AllowAttr: playerSrcAttr},
}
}
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6 changes: 3 additions & 3 deletions modules/markup/csv/csv.go
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Expand Up @@ -37,9 +37,9 @@ func (Renderer) Extensions() []string {
// SanitizerRules implements markup.Renderer
func (Renderer) SanitizerRules() []setting.MarkupSanitizerRule {
return []setting.MarkupSanitizerRule{
{Element: "table", AllowAttr: "class", Regexp: regexp.MustCompile(`data-table`)},
{Element: "th", AllowAttr: "class", Regexp: regexp.MustCompile(`line-num`)},
{Element: "td", AllowAttr: "class", Regexp: regexp.MustCompile(`line-num`)},
{Element: "table", AllowAttr: "class", Regexp: regexp.MustCompile(`^data-table$`)},
{Element: "th", AllowAttr: "class", Regexp: regexp.MustCompile(`^line-num$`)},
{Element: "td", AllowAttr: "class", Regexp: regexp.MustCompile(`^line-num$`)},
}
}

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6 changes: 3 additions & 3 deletions modules/markup/sanitizer_default.go
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Expand Up @@ -67,10 +67,10 @@ func (st *Sanitizer) createDefaultPolicy() *bluemonday.Policy {
}

// Allow classes for anchors
policy.AllowAttrs("class").Matching(regexp.MustCompile(`ref-issue( ref-external-issue)?`)).OnElements("a")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^ref-issue( ref-external-issue)?$`)).OnElements("a")

// Allow classes for task lists
policy.AllowAttrs("class").Matching(regexp.MustCompile(`task-list-item`)).OnElements("li")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^task-list-item$`)).OnElements("li")

// Allow classes for org mode list item status.
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^(unchecked|checked|indeterminate)$`)).OnElements("li")
Expand All @@ -79,7 +79,7 @@ func (st *Sanitizer) createDefaultPolicy() *bluemonday.Policy {
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^icon(\s+[\p{L}\p{N}_-]+)+$`)).OnElements("i")

// Allow classes for emojis
policy.AllowAttrs("class").Matching(regexp.MustCompile(`emoji`)).OnElements("img")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^emoji$`)).OnElements("img")

// Allow icons, emojis, chroma syntax and keyword markup on span
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^((icon(\s+[\p{L}\p{N}_-]+)+)|(emoji)|(language-math display)|(language-math inline))$|^([a-z][a-z0-9]{0,2})$|^` + keywordClass + `$`)).OnElements("span")
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