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#!/usr/bin/env bash
set -e
cd "$(dirname "${0}")" || exit 1
. ./common.sh || exit 1
DEST=../src/lib/inc_generated/ndpi_icloud_private_relay_match.c.inc
TMP=/tmp/icloud.csv
LIST=/tmp/icloud.list
LIST_MERGED=/tmp/icloud.list_m
ORIGIN="https://mask-api.icloud.com/egress-ip-ranges.csv"
echo "(1) Downloading file... ${ORIGIN}"
http_response=$(curl -s -o "$TMP" -w "%{http_code}" ${ORIGIN})
check_http_response "${http_response}"
is_file_empty "${TMP}"
echo "(2) Processing IP addresses..."
# Note: the "grep -v :" is used to skip IPv6 addresses
cut -d ',' -f 1 $TMP | grep -v ':' > $LIST
is_file_empty "${LIST}"
./mergeipaddrlist.py $LIST > $LIST_MERGED
is_file_empty "${LIST_MERGED}"
./ipaddr2list.py $LIST_MERGED NDPI_ANONYMOUS_SUBSCRIBER "_icloud_private_relay" > $DEST
is_file_empty "${DEST}"
rm -f "${TMP}" "${LIST}" "${LIST_MERGED}"
echo "(3) iCloud Private Relay IPs are available in $DEST"
exit 0
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