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Refactor locale&string&template related code (#29165)

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Clarify when "string" should be used (and be escaped), and when
"template.HTML" should be used (no need to escape)

And help PRs like  #29059 , to render the error messages correctly.
This commit is contained in:
wxiaoguang
2024-02-15 05:48:45 +08:00
committed by GitHub
parent 94d06be035
commit f3eb835886
77 changed files with 356 additions and 284 deletions
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46
modules/templates/helper.go
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@@ -36,7 +36,7 @@ func NewFuncMap() template.FuncMap {
"dict": dict, // it's lowercase because this name has been widely used. Our other functions should have uppercase names.
"Eval": Eval,
"Safe": Safe,
"Escape": html.EscapeString,
"Escape": Escape,
"QueryEscape": url.QueryEscape,
"JSEscape": template.JSEscapeString,
"Str2html": Str2html, // TODO: rename it to SanitizeHTML
@@ -159,7 +159,7 @@ func NewFuncMap() template.FuncMap {
"RenderCodeBlock": RenderCodeBlock,
"RenderIssueTitle": RenderIssueTitle,
"RenderEmoji": RenderEmoji,
"RenderEmojiPlain": emoji.ReplaceAliases,
"RenderEmojiPlain": RenderEmojiPlain,
"ReactionToEmoji": ReactionToEmoji,
"RenderMarkdownToHtml": RenderMarkdownToHtml,
@@ -180,13 +180,45 @@ func NewFuncMap() template.FuncMap {
}
// Safe render raw as HTML
func Safe(raw string) template.HTML {
return template.HTML(raw)
func Safe(s any) template.HTML {
switch v := s.(type) {
case string:
return template.HTML(v)
case template.HTML:
return v
}
panic(fmt.Sprintf("unexpected type %T", s))
}
// Str2html render Markdown text to HTML
func Str2html(raw string) template.HTML {
return template.HTML(markup.Sanitize(raw))
// Str2html sanitizes the input by pre-defined markdown rules
func Str2html(s any) template.HTML {
switch v := s.(type) {
case string:
return template.HTML(markup.Sanitize(v))
case template.HTML:
return template.HTML(markup.Sanitize(string(v)))
}
panic(fmt.Sprintf("unexpected type %T", s))
}
func Escape(s any) template.HTML {
switch v := s.(type) {
case string:
return template.HTML(html.EscapeString(v))
case template.HTML:
return v
}
panic(fmt.Sprintf("unexpected type %T", s))
}
func RenderEmojiPlain(s any) any {
switch v := s.(type) {
case string:
return emoji.ReplaceAliases(v)
case template.HTML:
return template.HTML(emoji.ReplaceAliases(string(v)))
}
panic(fmt.Sprintf("unexpected type %T", s))
}
// DotEscape wraps a dots in names with ZWJ [U+200D] in order to prevent autolinkers from detecting these as urls