#!/bin/bash

CLOUDFLARE_FILE_PATH=/etc/nginx/snippets/cloudflare.conf

echo "# Include this file in your vhost" > $CLOUDFLARE_FILE_PATH
echo "" >> $CLOUDFLARE_FILE_PATH

for i in $(curl https://www.cloudflare.com/ips-v4); do
  echo "set_real_ip_from $i;" >> $CLOUDFLARE_FILE_PATH
done
for i in $(curl https://www.cloudflare.com/ips-v6); do
  echo "set_real_ip_from $i;" >> $CLOUDFLARE_FILE_PATH
done

echo "" >> $CLOUDFLARE_FILE_PATH
echo "real_ip_header CF-Connecting-IP;" >> $CLOUDFLARE_FILE_PATH

#test configuration and reload nginx
nginx -t && service nginx reload