Gargoyle

super simple authentication

Installation

Add this line to your application's Gemfile:

gem 'gargoyle'

And then execute:

$ bundle

Or install it yourself as:

$ gem install gargoyle

Feature

• Rails helper method
• Session authenticate scope
• Rails routes helper
• Password management

Usage

Rails helper method

include Gargoyle::ControllerHelpers to ApplicationController in Rails.

class ApplicationController < ActionController::Base
  include Gargoyle::ControllerHelpers
  before_action :authenticate_user!

  private

  # template method pattern.
  # set session scope name
  def auth_scope
    :user
  end

  # template method pattern
  def no_signin_redirect_logic
    -> { redirect_to root_path }
  end
end

When set before action authenticate_user!, if user don't sign in, run no_signin_redirect_logic.call.

Controller Additions

Gargoyle provides the following controller methods:

• auth_scope
• no_signin_redirect_logic

These helpers:

• current_user
• signed_in?

provide the following private methods (template method pattern):

• auth_scope
• no_signin_redirect_logic

Rails routes helper

To authorize users in config/routes.rb:

require 'gargoyle/constraints/signed_in'
require 'gargoyle/constraints/signed_out'

Rails.application.routes.draw do
  root 'sessions#new', constraints: Gargoyle::Constraits::SignedOut.new(:user)
  root 'dashboards#show', as: :signed_in_root, constraints: Gargoyle::Constraits::SignedIn.new(:user)
end

Password management

password hashing method (using BCrypt):

Gargoyle::Password.hashing(password)

password conmpare method:

Gargoyle::Password.compare?(hashed_password, unhashed_password)

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/kbaba1001/gargoyle. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

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