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fileserver: set Range header for precompressed static files to force Content Length header to appear (#7042)

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Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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WeidiDeng 2025-08-22 22:23:13 +08:00 committed by GitHub
parent b9710c6af4
commit 67debd0e11
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1 changed files with 8 additions and 1 deletions
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9
modules/caddyhttp/fileserver/staticfiles.go
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@ -457,7 +457,14 @@ func (fsrv *FileServer) ServeHTTP(w http.ResponseWriter, r *http.Request, next c
} }
defer file.Close() defer file.Close()
respHeader.Set("Content-Encoding", ae) respHeader.Set("Content-Encoding", ae)
respHeader.Del("Accept-Ranges")
// stdlib won't set Content-Length if Content-Encoding is set.
// set Range header if it's not present will force Content-Length to be set
if r.Header.Get("Range") == "" {
r.Header.Set("Range", "bytes=0-")
// remove this header, because it is not part of the request
defer r.Header.Del("Range")
}
// try to get the etag from pre computed files if an etag suffix list was provided // try to get the etag from pre computed files if an etag suffix list was provided
if etag == "" && fsrv.EtagFileExtensions != nil { if etag == "" && fsrv.EtagFileExtensions != nil {