pkg/markup: init default sanitizer.policy
App would panic if user has validation error on installation and the sanitizer is not yet built. Therefore we need a minimal valid object for sanitizer at start.master
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497cdc9250
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63598688e4
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@ -20,14 +20,15 @@ type Sanitizer struct {
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init sync.Once
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}
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var sanitizer = &Sanitizer{}
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var sanitizer = &Sanitizer{
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policy: bluemonday.UGCPolicy(),
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}
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// NewSanitizer initializes sanitizer with allowed attributes based on settings.
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// Multiple calls to this function will only create one instance of Sanitizer during
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// entire application lifecycle.
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func NewSanitizer() {
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sanitizer.init.Do(func() {
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sanitizer.policy = bluemonday.UGCPolicy()
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// We only want to allow HighlightJS specific classes for code blocks
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sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`^language-\w+$`)).OnElements("code")
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