WordPress | NGINX server rule to block access to files in a folder unless logged into WP

nginx-block-files-unless-logged-in.txt

set $bar 0;
set $becue 0;
if ( $request_uri ~* "wp-content/uploads/private" ) {
	set $bar 1;
} 
if ($http_cookie ~ "wordpress_logged_in") {
	set $becue 1;
}
set $barbecue "$bar:$becue";
if ($barbecue = "1:0") {
	rewrite ^/(.*) https://www.example.com/login/;
}