17437: Don't copy incoming Content-Length header when proxying.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>

diff --git a/lib/controller/proxy.go b/lib/controller/proxy.go
index d7381860ea422299406e0a38e726f6d09bb38481..13dfcac16abb0bb27c7b1f3d50d024436453f97c 100644 (file)
--- a/lib/controller/proxy.go
+++ b/lib/controller/proxy.go
@@ -42,6 +42,9 @@ var dropHeaders = map[string]bool{
        "Accept-Encoding":   true,
        "Content-Encoding":  true,
        "Transfer-Encoding": true,
+
+       // Content-Length depends on encoding.
+       "Content-Length": true,
 }
 
 type ResponseFilter func(*http.Response, error) (*http.Response, error)