iota_loader

#!/sbin/openrc-run
# Copyright (c) 2018 muXxer

## Functions
_bold=$(tput bold)
_reset=$(tput sgr0)

_red=$(tput setaf 1)
_green=$(tput setaf 2)
_yellow=$(tput setaf 3)

function print_ok   { printf "${_bold}${_green}%s${_reset}\n" "$@"; }
function print_err  { printf "${_bold}${_red}%s${_reset}\n" "$@"; }
function print_warn { printf "${_bold}${_yellow}%s${_reset}\n" "$@"; }

depend()
{
	after networking sshd
}

start()
{
	ebegin "Downloading IOTA-Ledger App..."
	
	echo ""
	print_warn "Please read our documentation carefully at https://github.com/IOTA-Ledger/blue-app-iota/"

	echo ""
	print_ok "Downloading latest compiled binary from https://github.com/IOTA-Ledger/blue-app-iota/releases..."
	echo ""
	
	mkdir -p /root/iota-ledger/download/
	cd /root/iota-ledger/download/
	latest_file=`curl -s https://api.github.com/repos/IOTA-Ledger/blue-app-iota/releases | grep browser_download_url | grep nanos-app | grep .zip | head -n 1 | cut -d '"' -f 4`
	retVal=$?
	if [ $retVal -ne 0 ]; then
		echo ""
		print_err "No compiled binary found in the GitHub repository! Do you have a working internet connection? Rebooting..."
		rm -R /root/iota-ledger/download/
		sleep 10
		reboot
		eend $retVal
	fi

	curl -L $latest_file -O
	retVal=$?
	if [ $retVal -ne 0 ]; then
		echo ""
		print_err "Downloading the latest compiled binary from GitHub failed! Do you have a working internet connection? Rebooting..."
		rm -R /root/iota-ledger/download/
		sleep 10
		reboot
		eend $retVal
	fi

	file_name=`echo $latest_file | rev | cut -d '/' -f 1 | rev`
	echo ""
	print_ok "Downloaded:"
	print_ok '   File name = "'${file_name}'"'

	echo ""
	#echo "Unzipping the file and comparing the checksum..."
	print_ok "Unzipping the file and verifying the digital signature..."
	echo ""
	unzip ${file_name}
	echo ""	
	#sha256sum -c app.hex.sha256
	gpg --verify app.hex.asc
	retVal=$?
	if [ $retVal -ne 0 ]; then
		echo ""
		#echo "Checksum missmatch! Something went wrong! Please try again! Rebooting..."
		print_err "Digital signature not valid! Something went wrong! Please try again! Rebooting..."
		rm -R /root/iota-ledger/download/
		sleep 10
		reboot
		eend $retVal
	fi
	echo ""
	print_ok "File unzipped and digital signature valid!"

	echo ""
	print_warn "Plugin your Ledger Nano S now and forward it in VirtualBox! You have 5 minutes to do this."
	print_warn "Searching for Ledger Nano S..."
	echo ""

	time_ms=0
	while [ $time_ms -le 300000 ]		
	do
		if [ -e /dev/hidraw1 ]; then
			break
		fi

		usleep 500000
		time_ms=$(( $time_ms + 500 ))
	done
	
	cd /root/iota-ledger/
	python3 download_app.py
	retVal=$?
	rm -R /root/iota-ledger/download/
	if [ $retVal -ne 0 ]; then
		echo ""
		if [ $retVal -eq 2 ]; then
			print_err "Ledger Nano S Firmware is too old! Please update your Ledger Nano S Firmware and try again! Shutting down VM..."
			sleep 5
			poweroff
		else
			print_err "Something went wrong! Please try again! Rebooting..."
			sleep 5
			reboot
		fi
	else
		echo ""
		print_ok "IOTA App installed successfully! Shutting down VM..."
		sleep 3
		poweroff
	fi
	eend 0
}

stop()
{
	ebegin ""
	eend 0
}