#!/bin/bash
################################################################################
# Author: Fred (support@qo-op.com)
# Version: 0.1
# License: AGPL-3.0 (https://choosealicense.com/licenses/agpl-3.0/)
################################################################################
# Activate SUPPORT MODE: open ssh over IPFS
MY_PATH="`dirname \"$0\"`"              # relative
MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
########################################################################
YOU=$(ps auxf --sort=+utime | grep -w ipfs | grep -v -E 'color=auto|grep' | tail -n 1 | cut -d " " -f 1) || er+=" ipfs daemon not running"
IPFSNODEID=$(ipfs id -f='<id>\n') || er+=" ipfs id problem"
G1PUB=$(cat ~/.zen/secret.dunikey | grep 'pub:' | cut -d ' ' -f 2) || er+=" G1PUB problem"
[[ "$YOU" == "" || "$IPFSNODEID" == "" || "$G1PUB" == "" ]] && echo "ERROR : $er " && exit 1
########################################################################
## ACTIVATE / DESACTIVATE SSH FORWARD to fred@ONELOVE
########################################################################
ARG=$(echo "$1" | awk '{ print tolower($0) }')

if [[ ! $(cat ~/.ssh/authorized_keys | grep "fred@ONELOVE") ]]
then
	# ADD fred@ONELOVE to ~/.ssh/authorized_keys
	echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDFLHW8P88C/B7622yXzdAn1ZcTBfE1A4wMqajBwAoHwUVTOUaYfvkiSxbzb5H9dPTAXhQU6ZfuLa70kTo1m2b9TKH0tD6hR3RiKJ0NIjCHYEypcPGpLmHaZWnBKPq3IUU24qFVdUJxnTkDdFUszYMNoV4nqlXY/ZYdNpic8L1jPPyfOLLfPFkuSxagyQj4FGJq77UQE5j+skMJS3ISkazNTLqOCGLFJ5qtBC11BvQaCJ4cQ2Ss7ejPYhpx16NLJfg9VtG4dv9ZebEIl2pf7niiQGSPrDMFWHuQcGAuHt/patr0BcvfvD3Gv+qNsVfAJCNZ2U5NHEMKIhgj1ilNPEw7 fred@ONELOVE" >> ~/.ssh/authorized_keys
fi

## NOT forwarding for myself
if [[ "$G1PUB" != "Ee1n3hDv9vunfd6m3LW6XeYg7bnt5aaRn9EjqnBe8GNS" ]]
then
	if [[ "$ARG" == "close" ]]
	then
		ipfs p2p close -p /x/$G1PUB-ssh
		
		## SEND MESSAGE
		echo "ipfs p2p close -p /x/$G1PUB-ssh" > /tmp/ssh.forward
		~/.zen/astrXbian/zen/jaklis/jaklis.py -k ~/.zen/secret.dunikey -n "https://data.gchange.fr" send -d Ee1n3hDv9vunfd6m3LW6XeYg7bnt5aaRn9EjqnBe8GNS -t "SSH-STOP" -f /tmp/ssh.forward
		echo "STOP"
	fi
	if [[ "$ARG" == "" || "$ARG" == "open" ]]; then
		ipfs p2p listen /x/$G1PUB-ssh /ip4/127.0.0.1/tcp/22
		
		## SEND MESSAGE
		PORT="10${RANDOM:0:3}" # RANDOM PORT
		[[ ! -f /tmp/ssh.forward.port ]] echo "$PORT" > /tmp/ssh.forward.port
		PORT=$(cat /tmp/ssh.forward.port)
		echo "ipfs p2p forward /x/$G1PUB-ssh /ip4/127.0.0.1/tcp/$PORT /p2p/$IPFSNODEID
		ssh $USER@localhost -p $PORT" > /tmp/ssh.forward
		~/.zen/astrXbian/zen/jaklis/jaklis.py -k ~/.zen/secret.dunikey -n "https://data.gchange.fr" send -d Ee1n3hDv9vunfd6m3LW6XeYg7bnt5aaRn9EjqnBe8GNS -t "SSH-OPEN" -f /tmp/ssh.forward
		echo "Demande de dépannage envoyé à fred@ONELOVE (Ee1n3hDv9vunfd6m3LW6XeYg7bnt5aaRn9EjqnBe8GNS)"
	fi
fi