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Fix NPE when response isn't http.Flusher

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Signed-off-by: Evgeniy Kulikov <kim@nspcc.ru>
This commit is contained in:
Evgeniy Kulikov 2020-11-19 16:01:52 +03:00
parent 54a03d3689
commit 54414c2bfb
1 changed files with 7 additions and 3 deletions
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10
api/response.go
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@ -175,9 +175,13 @@ func WriteResponse(w http.ResponseWriter, statusCode int, response []byte, mType
}
w.Header().Set(hdrContentLength, strconv.Itoa(len(response)))
w.WriteHeader(statusCode)
if response != nil {
_, _ = w.Write(response)
w.(http.Flusher).Flush()
if response == nil {
return
}
_, _ = w.Write(response)
if flusher, ok := w.(http.Flusher); ok {
flusher.Flush()
}
}