zammad/lib/core_ext/open-uri.rb

if Kernel.respond_to?(:open_uri_original_open) # rubocop:disable Naming/FileName
  module Kernel
    private

    # see: https://github.com/ruby/ruby/pull/1675
    def open(name, *rest, &block)
      if name.respond_to?(:open) && name.method(:open).parameters.present?
        name.open(*rest, &block)
      elsif name.respond_to?(:to_str) &&
            %r{\A[A-Za-z][A-Za-z0-9+\-\.]*://} =~ name &&
            (uri = URI.parse(name)).respond_to?(:open)
        uri.open(*rest, &block)
      else
        open_uri_original_open(name, *rest, &block)
      end
    end
    module_function :open
  end
end