turn free proxy on, using mac command line

toggleMacProxy.sh

#!/bin/sh

SERVICE="Thunderbolt Ethernet Slot 1" # or "Wi-Fi"

echo $PROXYHOST
while [[ $# > 0 ]]
do
  case "$1" in
    on)
      PROXYHOST="$(curl "http://pubproxy.com/api/proxy?limit=1&format=txt&type=socks5&https=true&google=true")"
      PROXY_HOST=${PROXYHOST%%:*}
      PROXY_PORT=${PROXYHOST##*:}
      echo $PROXY_HOST
      echo $PROXY_PORT

      networksetup -setwebproxystate "$SERVICE" on
      networksetup -setwebproxy "$SERVICE" $PROXY_HOST $PROXY_PORT off
      networksetup -setsecurewebproxystate "$SERVICE" on
      networksetup -setsecurewebproxy "$SERVICE" $PROXY_HOST $PROXY_PORT off
      echo 'Web proxy is on'
    shift
    ;;
    off)
      networksetup -setwebproxystate "$SERVICE" off
      networksetup -setsecurewebproxystate "$SERVICE" off
      echo 'Web proxy is off'
    shift
    ;;
  esac
done