X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/2f66d4cc05e9442a9bb69969744d0750a02a1ed4..d2d20f664ec207d1c9492edea6d893b1e333b055:/sdk/go/httpserver/logger.go?ds=sidebyside

diff --git a/sdk/go/httpserver/logger.go b/sdk/go/httpserver/logger.go
index 8886f9517d..78a1f77adb 100644
--- a/sdk/go/httpserver/logger.go
+++ b/sdk/go/httpserver/logger.go
@@ -1,6 +1,6 @@
 // Copyright (C) The Arvados Authors. All rights reserved.
 //
-// SPDX-License-Identifier: AGPL-3.0
+// SPDX-License-Identifier: Apache-2.0
 
 package httpserver
 
@@ -53,10 +53,21 @@ func LogRequests(h http.Handler) http.Handler {
 
 		logRequest(w, req, lgr)
 		defer logResponse(w, req, lgr)
-		h.ServeHTTP(w, req)
+		h.ServeHTTP(rewrapResponseWriter(w, wrapped), req)
 	})
 }
 
+// Rewrap w to restore additional interfaces provided by wrapped.
+func rewrapResponseWriter(w http.ResponseWriter, wrapped http.ResponseWriter) http.ResponseWriter {
+	if hijacker, ok := wrapped.(http.Hijacker); ok {
+		return struct {
+			http.ResponseWriter
+			http.Hijacker
+		}{w, hijacker}
+	}
+	return w
+}
+
 func Logger(req *http.Request) logrus.FieldLogger {
 	return ctxlog.FromContext(req.Context())
 }