DomainFirewall

Rack middleware to allow or prevent access based on an IP Whitelist and a hostname

Installation

Add this line to your application's Gemfile:

gem 'domain_firewall'

And then execute:

$ bundle

Or install it yourself as:

$ gem install domain_firewall

Usage

class CustomClass
  def self.whitelist(host)
    host == 'client.myapp.com' ? ['1.1.1.1'] : true
  end
end

config.middleware.use(DomainFirewall::IPWhitelist, delegate: CustomClass)

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/retailzipline/domain_firewall.

License

The gem is available as open source under the terms of the MIT License.