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package upstream
import (
"compress/gzip"
"fmt"
"io"
"net/http"
"gitlab.com/gitlab-org/gitlab/workhorse/internal/helper"
)
func contentEncodingHandler(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var body io.ReadCloser
var err error
// The client request body may have been gzipped.
contentEncoding := r.Header.Get("Content-Encoding")
switch contentEncoding {
case "":
body = r.Body
case "gzip":
body, err = gzip.NewReader(r.Body)
default:
err = fmt.Errorf("unsupported content encoding: %s", contentEncoding)
}
if err != nil {
helper.Fail500(w, r, fmt.Errorf("contentEncodingHandler: %v", err))
return
}
defer body.Close()
r.Body = body
r.Header.Del("Content-Encoding")
h.ServeHTTP(w, r)
})
}
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