Simple setup script for Mozilla VPN on Linux using mozwire and nmcli

nmwg-moz

#!/bin/bash

# Run this script with mozwire installed in your PATH
# Change this CONF_NAME to whichever VPN server you want to connect to
CONF_NAME=us10-wireguard
CONF_DIR=~/wireguard
CONF_FILE="$CONF_DIR"/"$CONF_NAME".conf

setup() {
  # Create Wireguard config files (using MozWire) in CONF_DIR
  mozwire-linux relay save -o "$CONF_DIR" -n 0

  # Setup Wireguard profile in nmcli
  echo "Select VPN Server from one of the files in ""$CONF_DIR"
  read -r CONF_NAME
  if [ -e "$CONF_DIR"/"$CONF_NAME".conf ]; then
    CONF_FILE="$CONF_DIR"/"$CONF_NAME".conf
  else
    echo "Name not recognized, setup not completed"
    exit 1
  fi
  nmcli connection import type wireguard file $CONF_FILE
  echo "Autoconnect to this VPN? (Y/n)"
  read -r AUTO_RES
  if [ "${AUTO_RES,,}" = "y" ] || [ "${AUTO_RES,,}" = "yes" ]; then
    nmcli connection modify "$CONF_NAME" connection.autoconnect yes
  else
    nmcli connection modify "$CONF_NAME" connection.autoconnect no
  fi
  echo "Setup successful"
  echo "Commands: setup, delete, connect, disconnect, status, quit"
}

delete() {
  # Delete Wireguard profile
  nmcli connection delete "$CONF_NAME"
  echo "Connection ""$CONF_NAME"" deleted"
}

connect() {
  # Connect to Wireguard profile
  nmcli --show-secrets --ask connection up "$CONF_NAME"
  echo "Connected to ""$CONF_NAME"
}

disconnect() {
  # Disconnect from Wireguard profile
  nmcli --show-secrets --ask connection down "$CONF_NAME"
  echo "Disconnected from ""$CONF_NAME"
}

status() {
# Display status of Wireguard connection
  if [ "$(nmcli connection show --active "$CONF_NAME" | grep -c connection)" -eq 0 ]; then
    echo "Wireguard connection not active"
  else
    echo "Wireguard connection active. Use the following command for more info: nmcli connection show --active ""$CONF_NAME"
  fi
}

menu() {
  case "$1" in
    setup | -s | s)
      setup
      ;;
  
    delete | -r | r)
      delete
      ;;
  
    connect | -c | c)
      connect
      ;;
  
    disconnect | -d | d)
      disconnect
      ;;
    status | -t | t)
      status
      ;;
    quit | -q | q)
      exit 0
      ;;
    *)
      echo "Commands: setup, delete, connect, disconnect, status, quit"
      echo "Example: nmwg-moz connect"
      ;;
  esac
}

if [ -n "$1" ]; then
  menu "$1"
else
  menu
  while true; do
    read -r RES
    menu "$RES"
  done
fi