ipfetch-curl

#!/usr/bin/env bash

IP=""

usage() {
	cat <<- _end_of_usage  
	Usage: ipfetch [OPTIONS]...
	Neofetch like tool that can lookup IPs.
	Options:
	    -h          print this text and exit
	    -ip <IP>    ip address to fetch (fetches own ip by default)

	_end_of_usage
}

error() {
	echo "$1" && exit 1
}

parse_args() {
	# if no arguments passed, use current ip
	[ $# -eq 0 ] && return 0
	
	while [ $# -ne 0 ]
	do
		case "$1" in
			"-h")  usage && exit 0 ;;
			"-ip") IP=$2 && shift ;;
			*) error "Unknown argument $1!" ;;
		esac
		shift >/dev/null 2>&1
	done
}

ipfetch() {
	# if no ip is passed, the IP variable is empty, so the api link will work as expected
	ip_info=$(curl -sf https://api.seeip.org/geoip/$IP) || { error "Error: IP is invalid or API is down!"; }

	# Remove any backslashes from the JSON response
	ip_info=$(echo "$ip_info" | sed 's/\\//g')

	# Extracting each field using sed and assigning them to local variables
	ip=$(echo "$ip_info" | sed -nr 's/.+"ip":"([^"]+).+/\1/p')
	country=$(echo "$ip_info" | sed -nr 's/.+"country":"([^"]*)".+/\1/p')
	timezone=$(echo "$ip_info" | sed -nr 's/.+"timezone":"([^"]*)".+/\1/p')
	latitude=$(echo "$ip_info" | sed -nr 's/.+"latitude":([^,]*).+/\1/p')
	longitude=$(echo "$ip_info" | sed -nr 's/.+"longitude":([^,]*).+/\1/p')
	asn=$(echo "$ip_info" | sed -nr 's/.+"asn":([^,]*).+/\1/p')
	continent=$(echo "$ip_info" | sed -nr 's/.+"continent_code":"([^"]*)".+/\1/p')
	city=$(echo "$ip_info" | sed -nr 's/.+"city":"([^"]*)".+/\1/p')
	isp=$(echo "$ip_info" | sed -nr 's/.+"organization":"([^"]*)".+/\1/p')
	region=$(echo "$ip_info" | sed -nr 's/.+"region":"([^"]*)".+/\1/p')

	# Create a "flag" variable by replacing spaces with underscores in the country name
	flag=$(echo "$country" | sed -r 's/ /_/g')

	# All of those \033 you see are cursor positions.
	#Here is a good tutorial for it: https://thoughtsordiscoveries.wordpress.com/2017/04/26/set-and-read-cursor-position-in-terminal-windows-and-linux/
	
	echo -e "\n`cat /usr/share/ipfetch/$flag`\
		\033[9D\033[s \033[9A Ip: $ip\
		\033[u\033[8A  Continent: $continent\
		\033[u\033[7A  Country: $country\
		\033[u\033[6A  Region: $region\
		\033[u\033[5A  City: $city\
		\033[u\033[4A  ISP: $isp\
		\033[u\033[3A  Timezone: $timezone\
		\033[u\033[2A  Latitude: $latitude\
		\033[u\033[1A  Longitude: $longitude\
		\033[u  ASN: $asn\
		\033[u \033[10A -------------------- \
		\033[u \n"
}

parse_args "$@"
ipfetch