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reverseproxy: Only change Content-Length when full request is buffered (#5830) 

fixes: https://github.com/caddyserver/caddy/issues/5829

Signed-off-by: Fred Cox <mcfedr@gmail.com>
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Fred Cox 2024-01-09 19:59:30 +00:00 committed by GitHub
parent 76611fa150
commit d9ff7b1872
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1 changed files with 6 additions and 2 deletions
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6
modules/caddyhttp/reverseproxy/reverseproxy.go
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@ -589,9 +589,13 @@ func (h Handler) prepareRequest(req *http.Request, repl *caddy.Replacer) (*http.
// feature if absolutely required, if read timeouts are
// set, and if body size is limited
if h.RequestBuffers != 0 && req.Body != nil {
req.Body, req.ContentLength = h.bufferedBody(req.Body, h.RequestBuffers)
var readBytes int64
req.Body, readBytes = h.bufferedBody(req.Body, h.RequestBuffers)
if h.RequestBuffers == -1 {
req.ContentLength = readBytes
req.Header.Set("Content-Length", strconv.FormatInt(req.ContentLength, 10))
}
}
if req.ContentLength == 0 {
req.Body = nil // Issue golang/go#16036: nil Body for http.Transport retries