internal_redirect.include

location ~* ^/internal_redirect/(.*?)/(.*?)/(.*) {
	# Do not allow people to mess with this location directly
	# Only internal redirects are allowed
	internal;

	resolver 8.8.8.8;

	# Extract download url from the request
	set $download_uri $3;
	set $download_host $2;
	set $download_proto $1;

	# Compose download url
	set $download_url $download_proto://$download_host/$download_uri?$args;

	# Download the file and send it to client
	proxy_pass $download_url;
}