#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# VPN functions
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

function backup_vpn {
	echo ''
}

function remove_vpn {
	apt-get -y remove --purge fastd
	sed -i '/install_vpn/d' $COMPLETION_FILE
}

function install_vpn {
	if grep -Fxq "install_vpn" $COMPLETION_FILE; then
		return
	fi
	if ! grep -q "repo.universe-factory.net" /etc/apt/sources.list; then
		echo 'deb http://repo.universe-factory.net/debian/ sid main' >> /etc/apt/sources.list
		gpg --keyserver pgpkeys.mit.edu --recv-key 16EF3F64CB201D9C
		if [ ! "$?" = "0" ]; then
			exit 76272
		fi
		gpg -a --export 16EF3F64CB201D9C | sudo apt-key add -
		apt-get update
		apt-get -y install fastd
		if [ ! "$?" = "0" ]; then
			exit 52026
		fi
	fi
	echo 'install_vpn' >> $COMPLETION_FILE
}

# NOTE: deliberately there is no "exit 0"