#!/bin/bash
# $1 is the service name, same as the HiddenServiceDir in torrc
# $2 is the port the Hidden Service forwards to (to be used in the Tor browser)
# $3 is the port to be forwarded with the Hidden Service

# command info
if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
 echo "config script to configure a Tor Hidden Service"
 echo "internet.hiddenservice.sh [service] [toPort] [fromPort]"
 exit 1
fi

source /mnt/hdd/raspiblitz.conf

service="$1"
if [ ${#service} -eq 0 ]; then
  echo "ERROR: service name is missing"
  exit 1
fi

toPort="$2"
if [ ${#toPort} -eq 0 ]; then
  echo "ERROR: the port to forward to is missing"
  exit 1
fi

fromPort="$3"
if [ ${#fromPort} -eq 0 ]; then
  echo "ERROR:the port to forward from is missing"
  exit 1
fi

if [ "${runBehindTor}" = "on" ]; then
  isHiddenService=$(sudo cat /etc/tor/torrc 2>/dev/null | grep -c $service)
  if [ ${isHiddenService} -eq 0 ]; then
    echo "
  # Hidden Service for $service
  HiddenServiceDir /mnt/hdd/tor/$service
  HiddenServiceVersion 3
  HiddenServicePort $toPort 127.0.0.1:$fromPort
  " | sudo tee -a /etc/tor/torrc
    echo "Restarting Tor to activate the Hidden Service..."
    sudo systemctl restart tor
    sleep 10
  else
    echo "The Hidden Service is already installed"
  fi
else
  echo "Tor is not active"
fi