I have a PR here https://github.com/pdclark/uploads-by-proxy/pull/2/files for multisite support that never got merged when this was maintained by pdclark. Maybe you'd want to take a look?
I have a PR here https://github.com/pdclark/uploads-by-proxy/pull/2/files for multisite support that never got merged when this was maintained by pdclark. Maybe you'd want to take a look?