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#!/bin/bash
BASE_URL='http://geolite.maxmind.com/download/geoip/database/'
GEOLITE_COUNTRY_DB='GeoLiteCountry/GeoIP.dat'
GEOLITE_COUNTRY_IPV6_DB='GeoIPv6.dat'
GEOLITE_CITY_DB='GeoLiteCity.dat'
GEOLITE_CITY_IPV6_DB='GeoLiteCityv6-beta/GeoLiteCityv6.dat'
if [ $# -eq 0 ]; then
echo "usage: geoip-download-databases <output_directory>" >&2
exit 1
fi
outdir="$1"
tmpdir=$(mktemp -d) || exit 1
trap "rm -rf ${tmpdir}" EXIT QUIT HUP KILL TERM
pushd $tmpdir
wget "${BASE_URL}${GEOLITE_COUNTRY_DB}.gz" || exit 1
wget "${BASE_URL}${GEOLITE_COUNTRY_IPV6_DB}.gz" || exit 1
wget "${BASE_URL}${GEOLITE_CITY_DB}.gz" || exit 1
wget "${BASE_URL}${GEOLITE_CITY_IPV6_DB}.gz" || exit 1
gunzip *
function file_size()
{
local size
size=$(stat -c "%s" $1 2>/dev/null)
if [ -n "${size}" ]; then
echo ${size}
else
echo 0
fi
}
# 200KB. The country database should be just over 1MB, while the city database is presently 43MB.
# This is big enough to notice a seriously corrupted download.
MIN_SIZE=$((1024*200))
IPV6_MIN_SIZE=$((1024*40))
if [ $(file_size $(basename ${GEOLITE_COUNTRY_DB})) -gt ${MIN_SIZE} -a \
$(file_size $(basename ${GEOLITE_CITY_DB})) -gt ${MIN_SIZE} -a \
$(file_size $(basename ${GEOLITE_COUNTRY_IPV6_DB})) -gt ${IPV6_MIN_SIZE} -a \
$(file_size $(basename ${GEOLITE_CITY_IPV6_DB})) -gt ${IPV6_MIN_SIZE} ]; then
cp -a $(basename ${GEOLITE_COUNTRY_DB}) $(basename ${GEOLITE_CITY_DB}) $(basename ${GEOLITE_COUNTRY_IPV6_DB}) $(basename ${GEOLITE_CITY_IPV6_DB}) "${outdir}"
else
echo "unable to retrieve databases." >&2
exit 1
fi
exit 0
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