Download IP ban list and format for NGINX

hulk.sh

#!/bin/bash
#
# --------------------------------------------------------------------------------------------
# Nginx IP Address Deny List download and format
# --------------------------------------------------------------------------------------------
# This file pulls from http://www.stopforumspam.com/downloads/bannedips.zip to 
# retrieve a list of IPs known to be associated with spam.  The program 
# downloads, unzips, and formats the IP addresses into an NGINX config using
# 'deny'
# 
# --------------------------------------------------------------------------------------------
# Author Info
# --------------------------------------------------------------------------------------------
# Name :: Tim Kennell Jr. ~ tikenn
# Licence :: MIT (http://opensource.org/licenses/MIT)
# Version :: 0.1
#
# --------------------------------------------------------------------------------------------
# Config
# --------------------------------------------------------------------------------------------
# DOWNLOAD :: directory to download the file to
#
# STORE :: this is where the place we store and delete the old file.
# - If you change the location make sure you delete the files
# - associated and rerun this script.
#
# --------------------------------------------------------------------------------------------
# Setting up crontab
# --------------------------------------------------------------------------------------------
# - Create a file in /etc/cron.d/
# - Run the file at least once a day to retrieve the most recent version
# - Example line (runs at midnight): "0 0 * * * /path/to/hulk.sh"
#
# ~ tikenn


DOWNLOAD=/opt/hulk
STORE=/etc/nginx/conf.d/

# --------------------------------------------------------------------------------------------
# Core App
# --------------------------------------------------------------------------------------------

[[ -f "$DOWNLOAD/bannedips.zip" ]] && rm "$DOWNLOAD/bannedips.zip"
wget -O "$DOWNLOAD/bannedips.zip" http://www.stopforumspam.com/downloads/bannedips.zip
unzip -o "$DOWNLOAD/bannedips.zip" -d "$DOWNLOAD"
[[ -f "$STORE/bannedips.conf" ]] && rm "$STORE/bannedips.conf"

while read -r -d , ip ; do
    echo "deny $ip;" >> "$STORE/bannedips.conf"

done < "$DOWNLOAD/bannedips.csv"

service nginx reload

# ---------------------------------------------------------------------------------------------
# End of Core App
# --------------------------------------------------------------------------------------------