Agile Web Development with Rails, Edition 4

14.3 Iteration I3: Limiting Access

require authorization before every access

edit app/controllers/application_controller.rb

class ApplicationController < ActionController::Base

  before_filter :authorize

    # ...

  protected

    def authorize

      unless User.find_by_id(session[:user_id])

        redirect_to login_url, :notice => "Please log in"

end

end

end

whitelist the sessions and store controllers

edit app/controllers/sessions_controller.rb

class SessionsController < ApplicationController

  skip_before_filter :authorize

edit app/controllers/store_controller.rb

class StoreController < ApplicationController

  skip_before_filter :authorize

whitelist line_item operations

edit app/controllers/line_items_controller.rb

class LineItemsController < ApplicationController

    skip_before_filter :authorize, :only => :create

whitelist order operations

edit app/controllers/orders_controller.rb

class OrdersController < ApplicationController

    skip_before_filter :authorize, :only => [:new, :create]

whitelist cart operations

edit app/controllers/carts_controller.rb

class CartsController < ApplicationController

    skip_before_filter :authorize, :only => [:create, :update, :destroy]

Cause all tests to do an implicit login

edit test/test_helper.rb

class ActiveSupport::TestCase

  # ...

  # Add more helper methods to be used by all tests here...

  def login_as(user)

    session[:user_id] = users(user).id

end

  def logout

    session.delete :user_id

end

  def setup

    login_as :one if defined? session

end

end

Show that the now pass

rake test

Loaded suite /home/rubys/.rvm/gems/ruby-1.8.7-p352/gems/rake-0.9.2.2/lib/rake/rake_test_loader

Started

..........

Finished in 0.45398 seconds.

10 tests, 31 assertions, 0 failures, 0 errors

Loaded suite /home/rubys/.rvm/gems/ruby-1.8.7-p352/gems/rake-0.9.2.2/lib/rake/rake_test_loader

Started

...............................................

Finished in 1.808144 seconds.

47 tests, 79 assertions, 0 failures, 0 errors

Loaded suite /home/rubys/.rvm/gems/ruby-1.8.7-p352/gems/rake-0.9.2.2/lib/rake/rake_test_loader

Started

...

Finished in 1.248472 seconds.

3 tests, 75 assertions, 0 failures, 0 errors