For https://github.com/turt2live/matrix-media-repo/issues/428

This reverts commit 9ee13765.

This reverts commit 9d4c97f4.

This reverts commit d3eb5a99.

This reverts commit 4adff75b.

For https://github.com/turt2live/matrix-media-repo/issues/445

and Go creates them as 0600