Purge CDNetworks caches (folder or file)

purge_cdnetwork.sh

#!/bin/bash

usage() {
  printf "Usage:\n$0\n[-t (type of content) url|folder]\n[-u (url to purge) ex: https://xxx.yyy.com/logo.png]" 1>&2;
  exit 1;
}

purgeUrl="https://api.cdnetworks.com/ccm/purge/ItemIdReceiver"
# data stored in a .env file
username=$(grep CDNETWORKS_USERNAME .env | cut -d '=' -f2)
apiKey=$(grep CDNETWORKS_APIKEY .env | cut -c19-)

if [ $username ] && [ $apiKey ]; then
  arrayTypes=(
    "url"
    "folder"
  )

  while getopts ":t:u:" arg; do
    case $arg in
      t)
        type=${OPTARG}
        if [[ ! " ${arrayTypes[@]} " =~ " $type " ]]; then
          usage
        fi
        ;;
      u)
        url=${OPTARG}
        ;;
      *)
        echo other
        usage
        ;;
    esac
  done

  shift $((OPTIND-1))

  if [ -z $type ] || [ -z $url ]; then
    usage
  fi

  echo $purgeUrl
  echo "First arg: $type"
  echo "Second arg: $url"

  date=`env LANG="en_US.UTF-8" date -u "+%a, %d %b %Y %H:%M:%S GMT"`
  echo $date
  password=`echo -en "$date" | openssl dgst -sha1 -hmac $apiKey -binary | openssl enc -base64`

  if [ $type == 'url' ]; then
    curl -i --url $purgeUrl \
    -X "POST" \
    -u "$username:$password" \
    -H "Date:$date" \
    -H "Content-Type: application/json" \
    -d'{
      "urls": [
        "'$url'"
      ],
      "urlAction":"delete"
    }'
  fi

  if [ $type == 'folder' ]; then
    curl -i --url $purgeUrl \
    -X "POST" \
    -u "$username:$password" \
    -H "Date:$date" \
    -H "Content-Type: application/json" \
    -d'{
      "dirs": [
        "'$url'"
      ],
      "dirAction":"expire"
    }'
  fi
fi