devise

https://github.com/plataformatec/devise

Ruby

Flexible authentication solution for Rails with Warden.

DeviseController#require_no_authentication

Helper for use in before_actions where no authentication is required.

Example:
  before_action :require_no_authentication, only: :new

Source | Google | Stack overflow

Edit

git clone [email protected]:plataformatec/devise.git
cd devise
open app/controllers/devise_controller.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-DeviseController-require_no_authentication-for-pr

# Commit to git
git add app/controllers/devise_controller.rbgit commit -m "better docs for DeviseController#require_no_authentication"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-DeviseController-require_no_authentication-for-pr
hub pull-request

# Celebrate!