Add basic auth round tripper to http

http/round_tripper.go

@@ -44,3 +44,14 @@ func (f *FollowRedirect) RoundTrip(req *stdhttp.Request) (*stdhttp.Response, err
 	}
 	return res, nil
 }
+
+type BasicAuthRoundTripper struct {
+	u, p string
+
+	next stdhttp.RoundTripper
+}
+
+func (bart *BasicAuthRoundTripper) RoundTrip(req *stdhttp.Request) (*stdhttp.Response, error) {
+	req.SetBasicAuth(bart.u, bart.p)
+	return bart.next.RoundTrip(req)
+}