#!/bin/bash

SPAMMER_REGEX="www\.\(razordude\|jmhic\|whvc\)\.com"
TMPFILE="/tmp/blacklist-ip.txt"

LOGFILE="/var/log/apache/access.log"

TEMPLATE="/home/atzm/template.htaccess.tdiary.txt"
HTACCESS="/home/atzm/www/diary/.htaccess"

function get_ip_list(){
	# check and renew black-list IP addresses

	if [ -f "${TMPFILE}" ]; then
		PREV="`cat ${TMPFILE}`"
	fi

	RENEWED="${PREV} `cat ${LOGFILE} | grep ${SPAMMER_REGEX} | cut -d' ' -f1 | sort | uniq`"
	for ip in ${RENEWED}; do echo ${ip}; done | sort | uniq | tee ${TMPFILE}
}

BLACKLIST="`get_ip_list`"

{
	cat ${TEMPLATE}
	echo "${BLACKLIST}" | sed -e "s/^/Deny from /"
} > ${HTACCESS}