AWS_SSO_CACHE="${HOME}/.aws/sso/cache"

check_aws_sso_session() {
  local files=()

  if [ -d "$AWS_SSO_CACHE" ]; then
    local files=("${AWS_SSO_CACHE}/*.json")
  fi

  for file in ${files[@]}; do
    valid_cache "$file" && return 0
  done

  /bin/cat <<EOT

AWS SSO session expired. Run the following to renew your session:

  aws sso login

EOT
}

valid_cache() {
  case "$1" in
    *botocore-client-id*)
      return 1
    ;;
    *)
      /usr/local/bin/jq '.expiresAt | fromdate | if . > now then halt else halt_error end' "$1" 2>/dev/null
      ;;
  esac
}

check_aws_sso_session