verify that at least the extension matches an image file, and specifically a JPEG before we take action.
verify that at least the extension matches an image file, and specifically a JPEG before we take action.

rflynn/imgmin,rflynn/imgmin,rflynn/imgmin,rflynn/imgmin,micmro/imgmin,jibsen/imgmin,jibsen/imgmin,micmro/imgmin,pornel/imgmin,micmro/imgmin,micmro/imgmin,pornel/imgmin,jibsen/imgmin,jibsen/imgmin,pornel/imgmin,pornel/imgmin