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A (really) simple gem around fb_graph for canvas authentication in Facebook.
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fb_graph_rails.gemspec

README.md

FbGraphRails

A (really) simple gem around fb_graph for canvas authentication in Facebook.

Installation

 gem install fb_graph_rails

or put the requirement into your gem file:

 gem 'fb_graph_rails'

Configuration

Create a YAML file in config/facebook.yml holding the configuration keys of your application and your facebook secret.

development: &defaults
  client_id: your_client_id
  client_secret: your_client_secret
# scope: user_about_me,user_activities,user_birthday,user_education_history,user_events,user_groups,user_hometown,user_interests,user_likes,user_location,user_notes,user_online_presence,user_photo_video_tags,user_photos,user_relationships,user_relationship_details,user_religion_politics,user_status,user_videos,user_website,user_work_history,email,read_friendlists,read_insights,read_mailbox,read_requests,read_stream,xmpp_login,ads_management,user_checkins,publish_stream,create_event,rsvp_event,sms,offline_access,publish_checkins,manage_pages,friends_about_me,friends_activities,friends_birthday,friends_education_history,friends_events,friends_groups,friends_hometown,friends_interests,friends_likes,friends_location,friends_notes,friends_online_presence,friends_photo_video_tags,friends_photos,friends_relationships,friends_relationship_details,friends_religion_politics,friends_status,friends_videos,friends_website,friends_work_history,manage_friendlists,friends_checkins,manage_notifications # ,user_address,user_mobile_phone
  scope: [email, user_about_me]
  canvas_url: http://apps.facebook.com/your_app
  model: your_user_model

test:
  <<: *defaults

production:
  <<: *defaults

Usage

You need to define your user model with the following columns:

identifier
FB user id (t.string :identifier, :limit => 20)
access_token
OAuth Access token (t.string :access_token)

Include our FbGraphRails::FbModel into your user model:

class FacebookUser < ActiveRecord::Base
    include FbGraphRails::FbModel
     ...
end

and include into your controller our authentication filter:

class QuizzesController < ApplicationController

  fb_authenticate
  ....

end

Copyright

This project rocks and uses MIT-LICENSE.

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