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feat(internal/headers): extend debug logging of X-Forwarded-For middlewares (#1269)

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DerRockWolf
2025-11-15 20:31:43 +01:00
committed by GitHub
parent 97ba84e26d
commit f6bf98fa28
1 changed files with 3 additions and 1 deletions
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4
internal/headers.go
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@@ -87,7 +87,7 @@ func XForwardedForToXRealIP(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if xffHeader := r.Header.Get("X-Forwarded-For"); r.Header.Get("X-Real-Ip") == "" && xffHeader != "" { if xffHeader := r.Header.Get("X-Forwarded-For"); r.Header.Get("X-Real-Ip") == "" && xffHeader != "" {
ip := xff.Parse(xffHeader) ip := xff.Parse(xffHeader)
slog.Debug("setting x-real-ip", "val", ip) slog.Debug("setting X-Real-Ip from X-Forwarded-For", "to", ip, "x-forwarded-for", xffHeader)
r.Header.Set("X-Real-Ip", ip) r.Header.Set("X-Real-Ip", ip)
} }
@@ -129,6 +129,8 @@ func XForwardedForUpdate(stripPrivate bool, next http.Handler) http.Handler {
} else { } else {
r.Header.Set("X-Forwarded-For", xffHeaderString) r.Header.Set("X-Forwarded-For", xffHeaderString)
} }
slog.Debug("updating X-Forwarded-For", "original", origXFFHeader, "new", xffHeaderString)
}) })
} }