#!/bin/sh
#
# PROVIDE: mirrorselect
# REQUIRE: LOGIN
#
# Configurations:
#
# mirrorselect_enable (bool):		Set to YES to enable mirrorselect
#					Default: NO
# mirrorselect_conf (str):		Mirrorselect configuration file
#					Default: %%ETCDIR%%/mirrorselect.toml
# mirrorselect_user (str):		Mirrorselect daemon user
#					Default: nobody
# mirrorselect_access_log (str):	File to store the mirrorselect web access log
#					Default: /var/log/mirrorselect.log
# mirrorselect_datadir (str):		Data directory to store MMDB files
#					Default: /var/lib/mirrorselect
# mirrorselect_fetch_dbip (str):	DB-IP Lite city database filename to fetch
#					Default: dbip-city-lite-2021-02.mmdb.gz
#

. /etc/rc.subr

name="mirrorselect"
rcvar="${name}_enable"

load_rc_config ${name}
: ${mirrorselect_enable:="NO"}
: ${mirrorselect_conf:="%%ETCDIR%%/${name}.toml"}
: ${mirrorselect_user:="nobody"}
: ${mirrorselect_access_log:="/var/log/${name}.log"}
: ${mirrorselect_datadir:="/var/lib/${name}"}
: ${mirrorselect_fetch_dbip:="dbip-city-lite-2021-02.mmdb.gz"}

pidfile="/var/run/${name}.pid"
procname="%%PREFIX%%/bin/${name}"
command="/usr/sbin/daemon"
command_args="-c -p ${pidfile} -T ${name}
		${procname} -config ${mirrorselect_conf}
		-access-log ${mirrorselect_access_log}"
start_precmd="mirrorselect_precmd"

mirrorselect_precmd()
{
	install -o ${mirrorselect_user} /dev/null ${pidfile}
	if [ ! -f "${mirrorselect_access_log}" ]; then
		install -o ${mirrorselect_user} /dev/null ${mirrorselect_access_log}
	fi

	if [ -z "${mirrorselect_fetch_dbip}" ]; then
		return
	fi
	if [ -f "${mirrorselect_datadir}/${mirrorselect_fetch_dbip%.gz}" ]; then
		return
	fi

	[ -d "${mirrorselect_datadir}" ] || mkdir -pv ${mirrorselect_datadir}

	echo "Fetching DB-IP Lite database: ${mirrorselect_fetch_dbip} ..."
	fetch -a -o - \
		https://download.db-ip.com/free/${mirrorselect_fetch_dbip} | \
		gunzip > ${mirrorselect_datadir}/${mirrorselect_fetch_dbip%.gz}
	chmod 0444 ${mirrorselect_datadir}/${mirrorselect_fetch_dbip%.gz}
	ln -svf ${mirrorselect_fetch_dbip%.gz} ${mirrorselect_datadir}/dbip.mmdb
}

run_rc_command "$1"