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dockerversion: touch-up escapeStr to mention RFC and add TODO

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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2026-05-14 15:36:40 +02:00
parent 91ae7ea8c8
commit 854307e013
1 changed files with 4 additions and 1 deletions
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5
dockerversion/useragent.go
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@@ -88,13 +88,16 @@ func getUpstreamUserAgent(ctx context.Context) string {
return "UpstreamClient(" + escapeStr(upstreamUA) + ")"
}
// escapeStr escapes and sanitizes s for use in a User-Agent comment.
// escapeStr escapes and sanitizes s for use in a User-Agent comment ([RFC9110]).
//
// [RFC9110]: https://www.rfc-editor.org/rfc/rfc9110#section-10.1.5
func escapeStr(s string) string {
var b strings.Builder
b.Grow(len(s))
for i := range len(s) {
switch c := s[i]; c {
// TODO(thaJeztah): remove redundant escaping semicolons; see https://github.com/moby/moby/pull/52356#discussion_r3234266285
case '(', ')', ';', '\\':
b.WriteByte('\\')
b.WriteByte(c)