alfred/cityuni-webserver
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Make sure no content length is outputted in non-content circumstances.
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Captain ALM 2022-07-15 15:28:01 +01:00
parent 775db96bf1
commit ddb09fcafb
Signed by: alfred
GPG Key ID: 4E4ADD02609997B1
1 changed files with 3 additions and 0 deletions
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3
pageHandler/utils/process-preconditions.go
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@ -37,6 +37,7 @@ func ProcessSupportedPreconditionsForNext(rw http.ResponseWriter, req *http.Requ
} }
if conditionFailed { if conditionFailed {
SwitchToNonCachingHeaders(rw.Header()) SwitchToNonCachingHeaders(rw.Header())
rw.Header().Del("Content-Length")
WriteResponseHeaderCanWriteBody(req.Method, rw, http.StatusPreconditionFailed, "") WriteResponseHeaderCanWriteBody(req.Method, rw, http.StatusPreconditionFailed, "")
return false return false
} }
@ -54,6 +55,7 @@ func ProcessSupportedPreconditionsForNext(rw http.ResponseWriter, req *http.Requ
parse, err := time.Parse(http.TimeFormat, req.Header.Get("If-Unmodified-Since")) parse, err := time.Parse(http.TimeFormat, req.Header.Get("If-Unmodified-Since"))
if err == nil && modT.After(parse) { if err == nil && modT.After(parse) {
SwitchToNonCachingHeaders(rw.Header()) SwitchToNonCachingHeaders(rw.Header())
rw.Header().Del("Content-Length")
WriteResponseHeaderCanWriteBody(req.Method, rw, http.StatusPreconditionFailed, "") WriteResponseHeaderCanWriteBody(req.Method, rw, http.StatusPreconditionFailed, "")
return false return false
} }
@ -99,6 +101,7 @@ func ProcessRangePreconditions(maxLength int64, rw http.ResponseWriter, req *htt
} }
} else { } else {
SwitchToNonCachingHeaders(rw.Header()) SwitchToNonCachingHeaders(rw.Header())
rw.Header().Del("Content-Length")
rw.Header().Set("Content-Range", "bytes */"+strconv.FormatInt(maxLength, 10)) rw.Header().Set("Content-Range", "bytes */"+strconv.FormatInt(maxLength, 10))
WriteResponseHeaderCanWriteBody(req.Method, rw, http.StatusRequestedRangeNotSatisfiable, "") WriteResponseHeaderCanWriteBody(req.Method, rw, http.StatusRequestedRangeNotSatisfiable, "")
return nil return nil