Rails authentication with email & password.
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Clearance is a Rails engine. It works with versions of Rails greater than 2.3.
Install it as a gem however you like to install gems. Gem Bundler example:
Make sure the development database exists and run the generator:
- inserts Clearance::User into your User model
- inserts Clearance::Authentication into your ApplicationController
- inserts Clearance::Routes.draw(map) into your config.routes.rb
- created a migration that either creates a users table or adds only missing columns
- prints further instructions
If you want to authenticate users for a controller action, use the authenticate method in a before_filter.
class WidgetsController < ApplicationController before_filter :authenticate def index @widgets = Widget.all end end
To change any of provided actions, subclass a Clearance controller...
class SessionsController < Clearance::SessionsController def new # my special new action end def url_after_create my_special_path end end
and add your route above (before) Clearance routes in config/routes.rb:
map.resource :session, :controller => 'clearance/sessions'
See lib/clearance/routes.rb for all the routes Clearance provides.
Actions that redirect (create, update, and destroy) in Clearance controllers can be overriden by re-defining url_after_(action) methods as seen above.
As your app evolves, you want to know that authentication still works. Our opinion is that you should test its integration with your app using Cucumber.
Run the Cucumber generator and Clearance feature generator:
script/generate cucumber script/generate clearance_features
All of the files generated should be new with the exception of the features/support/paths.rb file. If you have not modified your paths.rb then you will be okay to replace it with this one. If you need to keep your paths.rb file then add these locations in your paths.rb manually:
def path_to(page_name) case page_name when /the sign up page/i new_user_path when /the sign in page/i new_session_path when /the password reset request page/i new_password_path end end
We use & recommend [Formtastic](http://github.com/justinfrench/formtastic].
Clearance has another generator to generate Formastic views:
Its implementation is designed so other view styles (Haml?) can be generated.
Clearance was extracted out of Hoptoad. We merged the authentication code from two of thoughtbot client Rails apps and have since used it each time we need authentication.
The following people have improved the library. Thank you!
Dan Croak, Mike Burns, Jason Morrison, Joe Ferris, Eugene Bolshakov, Nick Quaranto, Josh Nichols, Mike Breen, Marcel Görner, Bence Nagy, Ben Mabey, Eloy Duran, Tim Pope, Mihai Anca, Mark Cornick, Shay Arnett, Joshua Clayton, Mustafa Ekim, Jon Yurek, Anuj Dutta, Chad Pytel, Ben Orenstein, Bobby Wilson, Matthew Ford, and Ryan McGeary.