devsbb / rack_password

Grover rack password

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Small rack middleware to block your site from unwanted vistors. A little bit more convenient than basic auth - browser will ask you once for the password and then set a cookie to remember you - unlike the http basic auth it wont prompt you all the time.


Add this line to your application's Gemfile:

gem 'rack_password'


Let's assume you want to password protect your staging environemnt. Add something like this to config/environments/staging.rb

config.middleware.use RackPassword::Block, auth_codes: ['janusz']

From now on, your staging app should prompt for janusz password before you access it.

You can also provide custom validator:

config.middleware.use RackPassword::Block, auth_codes: ['janusz'], custom_rule: proc { |request| request.env['HTTP_USER_AGENT'].include?('facebook') }

Common problems

  • If you use server ip address instead of domain name to visit your webpage using chrome, rack_password will not accept any password, including the correct one. As a workaround, please use wildcard DNS service, such as or set cookie_domain option to match server IP address.


  1. Fork it ( )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request


Grover rack password

License:MIT License


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