#!/bin/bash

#Alternative api for resolving organisations and country codes
#curl https://api.bgpview.io/asn/AS1299 | jq -a -M -r '.data | .description_short, .country_code'

if [ -z "${1}" ]
then
	exit
fi

myip="$(curl -sL https://emil.fi/api/my/ip)"
myhost="$(host ${myip} | grep -oP '(?<=domain name pointer ).+(?=.$)' | head -n 1)"
targetip="$(host ${1} | grep -oP '(?<= address ).+' | head -n 1)"
if [ -z "${targetip}" ]
then
	targetip="${1}"
	targethost="$(echo ${1} | grep -oP '(?<=domain name pointer ).+(?=.$)' | head -n 1)"
else
	targethost="${1}"
	targetip="$(host ${1} | grep -oP '(?<= address ).+' | head -n 1)"
fi
if [ -z "${myhost}" ]
then
	myhost="NXDOMAIN"
fi
if [ -z "${targethost}" ]
then
	targethost="NXDOMAIN"
fi
if [ -z "${targetip}" ]
then
	exit
fi

echo "$(date '+%F %T %z'): Path from ${myip} (${myhost}) to ${targetip} (${targethost})"

IFS=
traceroute -U -A "${1}" |
(
	asnumber=""
	country=""
	organisation=""
	timing=""
	asnumberp=""
	countryp=""
	organisationp=""
	timingp=""
	while IFS= read -r line
	do
		asnumber="$(echo ${line} | grep -oP '(?<=\[)AS\d+(?=\])' | head -n 1)"
		if [ "${asnumberp}" != "${asnumber}" ] && [ -n "${asnumberp}" ] && [ -n "${organisationp}" ] && [ -n "${countryp}" ] && [ -n "${timingp}" ]
		then
			echo "${asnumberp}, ${organisationp}, ${countryp} (${timingp} ms)"
			asnumberp=""
			countryp=""
			organisationp=""
			timingp=""
		fi
		if [ -z "${asnumber}" ]
		then
			continue
		fi
		timing="$(echo ${line} | grep -oP '\d+\.?\d*(?= ms)' | sort -n | head -n 1)"
		if [ "${asnumberp}" == "${asnumber}" ]
		then
			timing="$(echo ${timing} ${timingp} | tr ' ' '\n' | sort -n | head -n 1)"
		else
			query="$(whois -h whois.cymru.com -v ${asnumber} | tail -n 1 | rev | cut -d '|' -f 1 | rev | grep -oP '\S.*\S(?=\s*)')"
			organisation="$(echo ${query} | cut -d ',' -f 1 | grep -oP '\S.*\S(?=\s*)')"
			country="$(echo ${query} | rev | cut -d ',' -f 1 | rev | grep -oP '\S.*\S(?=\s*)')"
		fi
		asnumberp="${asnumber}"
		countryp="${country}"
		organisationp="${organisation}"
		timingp="${timing}"
	done
	if [ -n "${asnumber}" ]
	then
		echo "${asnumber}, ${organisation}, ${country} (${timing} ms)"
	fi
)