Only Rails 3 is supported. Uses fbgraph (http://github.com/nsanta/fbgraph) Could use the Oauth2 gem directly, but it is more than likely that you would want to use other features of facebook (ie post feed updates). How to use, web applications ---------- Setup devise (http://github.com/plataformatec/devise), use Rails 3 Include the gem in Gemfile after devise: gem 'devise' gem 'devise_oauth2_canvas_facebook' Include the ':devise_oauth2_canvas_facebook' in your model: devise :database_authenticatable, :registerable, :confirmable, :recoverable, :rememberable, :trackable, :validatable, :devise_oauth2_canvas_facebook Add the following config options: $ config/initializers/devise.rb config.facebook_api_key = "KEY" config.facebook_api_secret = "SECRET" config.facebook_permissions = 'offline_access,email,publish_stream' Good minimum to have is "offline_access,email" Create a migration file to add the columns: add_column :users, :facebook_uid, :string add_column :users, :facebook_token, :string Finally, update your view to include "Login with facebook" link: <%= link_to "Login with facebook", user_fb_auth_path %> How to use, facebook canvas applications ------ As above, except with this configuration: $ config/initializers/devise.rb config.facebook_api_key = "KEY" config.facebook_api_secret = "SECRET" config.facebook_permissions = 'offline_access,email,publish_stream' config.facebook_canvas_app = true config.facebook_canvas_url = 'your_facebook_canvas_app_url'
nielsjansendk/devise_oauth2_canvas_facebook
Devise plugin for Facebook OAuth2 Graph login using fbgraph
Ruby