RELEASE='buster'
IS_EXIT=false
INSTALL_NYX=true
CHECK_IPV6=true
ENABLE_AUTO_UPDATE=true

echo -e "\e[36m" #cyan
cat << "EOF"

 _____            ___     _
|_   _|__ _ _ ___| _ \___| |__ _ _  _   __ ___
  | |/ _ \ '_|___|   / -_) / _` | || |_/ _/ _ \
  |_|\___/_|     |_|_\___|_\__,_|\_, (_)__\___/
                                 |__/

EOF

echo -e "\e[39m" #default
echo "              [Relay Setup]"
echo "This script will ask for your sudo password."
echo "----------------------------------------------------------------------"

echo "Updating package list..."
sudo apt-get -y update > /dev/null

echo "Installing necessary packages..."
sudo apt-get -y install apt-transport-https psmisc dirmngr ntpdate curl > /dev/null

echo "Updating NTP..."
sudo ntpdate pool.ntp.org > /dev/null

echo "Adding Torproject apt repository..."
sudo touch /etc/apt/sources.list.d/tor1.list
echo "deb https://deb.torproject.org/torproject.org $RELEASE main" | sudo tee /etc/apt/sources.list.d/tor1.list > /dev/null
echo "deb-src https://deb.torproject.org/torproject.org $RELEASE main" | sudo tee --append /etc/apt/sources.list.d/tor1.list > /dev/null

echo "Adding Torproject GPG key..."
curl https://deb.torproject.org/torproject.org/A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89.asc | gpg --import > /dev/null
gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | sudo apt-key add - > /dev/null

echo "Updating package list..."
sudo apt-get -y update > /dev/null

if $INSTALL_NYX
then
  echo "Installing NYX..."
  sudo apt-get -y install nyx > /dev/null
fi

echo "Installing Tor..."
sudo apt-get -y install tor deb.torproject.org-keyring > /dev/null
sudo chown -R debian-tor1:debian-tor1 /var/log/tor1

echo "Setting Tor config..."
cat << 'EOF' | sudo tee /etc/tor1/torrc > /dev/null
SocksPort 0
RunAsDaemon 1
ORPort 9002
ORPort [INSERT_IPV6_ADDRESS]:9002
Nickname PIXEL02
ContactInfo || PIXEL02 powered by createPixel.de || abuse@createpixel.de ||
Log notice file /var/log/tor1/notices.log
DirPort 9032
ExitPolicy reject6 *:*, reject *:*
DisableDebuggerAttachment 0
ControlPort 9052
CookieAuthentication 1

EOF

if $IS_EXIT
then
  echo "Downloading Exit Notice to /etc/tor1/tor-exit-notice.html..."
  echo -e "\e[1mPlease edit this file and replace FIXME_YOUR_EMAIL_ADDRESS with your e-mail address!"
  echo -e "\e[1mAlso note that this is the US version. If you are not in the US please edit the file and remove the US-Only sections!\e[0m"
  sudo wget -q -O /etc/tor1/tor-exit-notice.html "https://raw.githubusercontent.com/flxn/tor-relay-configurator/master/misc/tor-exit-notice.html"
fi

if $CHECK_IPV6
then
  IPV6_ADDRESS=$(ip -6 addr | grep inet6 | grep "scope global" | awk '{print $2}' | cut -d'/' -f1)
  if [ -z "$IPV6_ADDRESS" ]
  then
    sudo /etc/init.d/tor1 stop
    echo -e "\e[31mCould not automatically find your IPv6 address"
    sudo sed -i -e '/INSERT_IPV6_ADDRESS/d' /etc/tor1/torrc
    sudo sed -i -e 's/IPv6Exit 1/IPv6Exit 0/' /etc/tor1/torrc
    echo -e "\e[31mIPv6 support has been disabled\e[39m"
    echo "If you want to enable it manually find out your IPv6 address and add this line to your /etc/tor/torrc"
    echo "ORPort [YOUR_IPV6_ADDRESS]:YOUR_ORPORT (example: \"ORPort [2001:123:4567:89ab::1]:9001\")"
    echo "Then run \"sudo /etc/init.d/tor1 restart\" to rstart Tor"
  else
    sudo sed -i "s/INSERT_IPV6_ADDRESS/$IPV6_ADDRESS/" /etc/tor1/torrc
    echo -e "\e[32mIPv6 Support enabled ($IPV6_ADDRESS)\e[39m"
  fi
fi

if $ENABLE_AUTO_UPDATE
then
  echo "Enabling unattended upgrades..."
  sudo apt-get install -y unattended-upgrades apt-listchanges
  DISTRO=$(lsb_release -is)
  sudo wget -q -O /etc/apt/apt.conf.d/50unattended-upgrades "https://raw.githubusercontent.com/flxn/tor-relay-configurator/master/misc/50unattended-upgrades.$DISTRO"
fi

sleep 10

echo "Reloading Tor config..."
sudo /etc/init.d/tor1 restart

echo -e "\e[32mSetup finished\e[39m"
echo "----------------------------------------------------------------------"
echo "Tor will now check if your ports are reachable. This may take up to 20 minutes."
echo "Check /var/log/tor/notices.log for an entry like:"
echo "\"Self-testing indicates your ORPort is reachable from the outside. Excellent.\""
echo "----------------------------------------------------------------------"
#sleep 5
#tail -f /var/log/tor/log