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Fix crash in short link processor (#13839)

Fixes #13819
mj-v1.14.3
mrsdizzie 2 years ago
committed by GitHub
parent
commit
3512c7e40f
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
  1. 22
      modules/markup/html.go

22
modules/markup/html.go

@ -651,16 +651,18 @@ func shortLinkProcessorFull(ctx *postProcessCtx, node *html.Node, noLink bool) {
// When parsing HTML, x/net/html will change all quotes which are
// not used for syntax into UTF-8 quotes. So checking val[0] won't
// be enough, since that only checks a single byte.
if (strings.HasPrefix(val, "“") && strings.HasSuffix(val, "”")) ||
(strings.HasPrefix(val, "‘") && strings.HasSuffix(val, "’")) {
const lenQuote = len("‘")
val = val[lenQuote : len(val)-lenQuote]
} else if (strings.HasPrefix(val, "\"") && strings.HasSuffix(val, "\"")) ||
(strings.HasPrefix(val, "'") && strings.HasSuffix(val, "'")) {
val = val[1 : len(val)-1]
} else if strings.HasPrefix(val, "'") && strings.HasSuffix(val, "’") {
const lenQuote = len("‘")
val = val[1 : len(val)-lenQuote]
if len(val) > 1 {
if (strings.HasPrefix(val, "“") && strings.HasSuffix(val, "”")) ||
(strings.HasPrefix(val, "‘") && strings.HasSuffix(val, "’")) {
const lenQuote = len("‘")
val = val[lenQuote : len(val)-lenQuote]
} else if (strings.HasPrefix(val, "\"") && strings.HasSuffix(val, "\"")) ||
(strings.HasPrefix(val, "'") && strings.HasSuffix(val, "'")) {
val = val[1 : len(val)-1]
} else if strings.HasPrefix(val, "'") && strings.HasSuffix(val, "’") {
const lenQuote = len("‘")
val = val[1 : len(val)-lenQuote]
}
}
props[key] = val
}

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