A couple of shell scripts for toggling on and off an enterprise proxy

proxy.sh

#!/bin/zsh
proxy_host="<ip>:<port>"
proxy_state="$HOME/.proxy"
proxy_script="$HOME/dotfiles/work/proxy.sh"

if [[ ! -f $HOME/.proxy ]]; then
  echo "No proxy state file found."
  echo "Now creating with default state of 'on'"
  echo "on" > $HOME/.proxy
fi

if [[ -f $HOME/.proxy ]]; then
  while read -r proxy_status
  do
    if [[ $proxy_status == "on" ]]; then
      if [[ $(scselect | grep Daimler | grep \*) == "" ]]; then
        scselect "<Network>" > /dev/null
        echo "Changing to <Network> network..."
      fi
      echo "proxy = $proxy_host" > "$HOME/.curlrc"
      echo "use_proxy = yes\nhttp_proxy = $proxy_host\nhttps_proxy = $proxy_host" > "$HOME/.wgetrc"
      export HTTP_PROXY=$proxy_host
      export HTTPS_PROXY=$proxy_host
    fi

    if [[ $proxy_status == "off" ]]; then
      if [[ $(scselect | grep Home | grep \*) == "" ]]; then
        scselect "Home" > /dev/null
        echo "Changing to Home network..."
      fi
      rm "$HOME/.curlrc" &> /dev/null
      rm "$HOME/.wgetrc" &> /dev/null
      unset HTTP_PROXY
      unset HTTPS_PROXY
    fi
  done <"$HOME/.proxy"
fi

function ptg() {
  if [[ -f $HOME/.proxy ]]; then
    while read -r proxy_status
    do
      if [[ $proxy_status == "on" ]]; then
	echo "off" > "$proxy_state"
      fi
      if [[ $proxy_status == "off" ]]; then
        echo "on" > "$proxy_state"
      fi
      source "$proxy_script"
    done <"$proxy_state"
  else
    echo "No proxy status file has been configured"
  fi
}

function pst() {
  cat "$proxy_state"
}