verify_direct_upload_token

# File activestorage/lib/active_storage/direct_upload_token.rb, line 15
    def verify_direct_upload_token(token, attachment_name, session)
      raise ActiveStorage::InvalidDirectUploadTokenError if token.nil?

      service_name, *token_components = decode_token(token).split(SEPARATOR)
      decoded_token = token_components.join(SEPARATOR)

      return service_name if valid_direct_upload_token?(decoded_token, attachment_name, session)

      raise ActiveStorage::InvalidDirectUploadTokenError
    end