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-rw-r--r--modules/caddyhttp/fileserver/staticfiles.go5
1 files changed, 4 insertions, 1 deletions
diff --git a/modules/caddyhttp/fileserver/staticfiles.go b/modules/caddyhttp/fileserver/staticfiles.go
index 86704fa..d094406 100644
--- a/modules/caddyhttp/fileserver/staticfiles.go
+++ b/modules/caddyhttp/fileserver/staticfiles.go
@@ -185,7 +185,10 @@ func (fsrv *FileServer) ServeHTTP(w http.ResponseWriter, r *http.Request) error
// TODO: Etag
- // TODO: Disable content-type sniffing by setting a content-type...
+ // do not allow Go to sniff the content-type
+ if w.Header().Get("Content-Type") == "" {
+ w.Header()["Content-Type"] = nil
+ }
// let the standard library do what it does best; note, however,
// that errors generated by ServeContent are written immediately