Add authentication with devise - install and configure

application.html.haml

!!! XML
!!!
%html
  %head
    %title haml page
    = stylesheet_link_tag :all
    = javascript_include_tag :defaults
  %body
    %p.notice #{notice}
    %p.alert #{alert}
    = yield

development.rb

Agate::Application.configure do
  ...
  config.action_mailer.default_url_options = { :host => 'localhost:3000' }
end

devise.rb

...
Devise.setup do |config|
  ...
  config.mailer_sender = "[email protected]"

  ...
  config.mailer = "Devise::Mailer"

  ...
  require 'devise/orm/active_record'

  ...
  config.authentication_keys = [ :username ]

  ...
  config.case_insensitive_keys = [ :email, :username ]

  ...
  config.stretches = 10

  ...
  config.confirmation_keys = [ :username ]
  
  ...
  config.remember_for = 2.weeks

  ...
  config.use_salt_as_remember_token = true

  ...
  config.timeout_in = 30.minutes

  ...
  config.lock_strategy = :failed_attempts

  ...
  config.unlock_keys = [ :username ]

  ...
  config.unlock_strategy = :both

  ...
  config.maximum_attempts = 20

  ...
  config.unlock_in = 1.hour

  ...
  config.reset_password_keys = [ :username ]

  ...
end

devise_create_users.rb

class DeviseCreateUsers < ActiveRecord::Migration
	def self.up
		create_table(:users) do |t|
			t.database_authenticatable :null => false
			t.recoverable
			t.rememberable
			t.trackable

			# t.encryptable
			t.confirmable
			t.lockable :lock_strategy => :failed_attempts, :unlock_strategy => :both
			# t.token_authenticatable
			t.timestamps
		end

		add_column :users, :username, :string, {:default=>"", :null=>false}

		add_index :users, :email
		add_index :users, :username, :unique => true
		add_index :users, :reset_password_token, :unique => true
		add_index :users, :confirmation_token, :unique => true
		add_index :users, :unlock_token, :unique => true
		# add_index :users, :authentication_token, :unique => true
	end

	def self.down
		drop_table :users
	end
end

Gemfile

source 'http://rubygems.org'

gem 'rails', '3.0.3'
gem 'sqlite3-ruby', :require => 'sqlite3'
gem 'haml'
gem 'jquery-rails'

# Authentication
gem 'devise', :git => "git://github.com/JohnPlummer/devise.git"

group :development, :test do
	gem 'rspec-rails'
	gem 'cucumber-rails'
	gem 'shoulda'
	gem 'capybara'
	gem 'launchy'
	gem 'spork'
	gem 'autotest-standalone'
	gem 'autotest-growl'
	gem 'autotest-fsevent'
	gem 'autotest-rails-pure'
	gem 'factory_girl_rails'
	gem 'annotate-models'
	gem 'haml-rails'
	
	gem 'hpricot'
	gem 'ruby_parser'
end

routes.rb

Agate::Application.routes.draw do
  ...
  # You can have the root of your site routed with "root"
  # just remember to delete public/index.html.
  root :to => "home#index"
  ...
end

user.rb

class User < ActiveRecord::Base
	# Include default devise modules. Others available are:
	# :token_authenticatable, :encryptable, :validatable and :omniauthable
	devise :database_authenticatable, :registerable,
	       :recoverable, :rememberable, :trackable,
	       :confirmable, :lockable, :timeoutable

	# Setup accessible (or protected) attributes for your model
	attr_accessible :username, :email, :password, :password_confirmation, :remember_me
end