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net/http: using strings.CutPrefix replace strings.HasPrefix and strings.TrimPrefix
Change-Id: I0b7b6e4e9d2539e4fcb5c08430ba5a74733fad3c Reviewed-on: https://go-review.googlesource.com/c/go/+/435136 Reviewed-by: Ian Lance Taylor <iant@google.com> Run-TryBot: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> Run-TryBot: xie cui <523516579@qq.com>
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@ -82,10 +82,12 @@ func RequestFromMap(params map[string]string) (*http.Request, error) {
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// Copy "HTTP_FOO_BAR" variables to "Foo-Bar" Headers
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for k, v := range params {
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if !strings.HasPrefix(k, "HTTP_") || k == "HTTP_HOST" {
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if k == "HTTP_HOST" {
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continue
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}
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r.Header.Add(strings.ReplaceAll(k[5:], "_", "-"), v)
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if after, found := strings.CutPrefix(k, "HTTP_"); found {
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r.Header.Add(strings.ReplaceAll(after, "_", "-"), v)
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}
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}
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uriStr := params["REQUEST_URI"]
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@ -371,8 +371,7 @@ type profileEntry struct {
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// Index responds to a request for "/debug/pprof/" with an HTML page
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// listing the available profiles.
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func Index(w http.ResponseWriter, r *http.Request) {
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if strings.HasPrefix(r.URL.Path, "/debug/pprof/") {
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name := strings.TrimPrefix(r.URL.Path, "/debug/pprof/")
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if name, found := strings.CutPrefix(r.URL.Path, "/debug/pprof/"); found {
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if name != "" {
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handler(name).ServeHTTP(w, r)
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return
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@ -509,11 +509,11 @@ const TrailerPrefix = "Trailer:"
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func (w *response) finalTrailers() Header {
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var t Header
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for k, vv := range w.handlerHeader {
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if strings.HasPrefix(k, TrailerPrefix) {
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if kk, found := strings.CutPrefix(k, TrailerPrefix); found {
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if t == nil {
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t = make(Header)
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}
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t[strings.TrimPrefix(k, TrailerPrefix)] = vv
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t[kk] = vv
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}
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}
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for _, k := range w.trailers {
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