Class OmniAuth::Strategies::Facebook
In: lib/omniauth/strategies/oauth2/facebook.rb
Parent: OmniAuth::Strategies::OAuth2

Authenticate to Facebook utilizing OAuth 2.0 and retrieve basic user information.

@example Basic Usage 

  use OmniAuth::Strategies::Facebook, 'client_id', 'client_secret'

Methods

auth_hash   base64_url_decode   build_access_token   facebook_session   new   parse_signed_request   request_phase   signed_request   user_data   user_info  

Public Class methods

new(app, client_id=nil, client_secret=nil, options = {}, &block)

@param [Rack Application] app standard middleware application parameter @param [String] client_id the application id as [registered on Facebook](www.facebook.com/developers/) @param [String] client_secret the application secret as registered on Facebook @option options [String] :scope (‘email,offline_access’) comma-separated extended permissions such as `email` and `manage_pages`

Public Instance methods

Protected Instance methods

parse_signed_request(input)

Borrowed from koala gem.

Originally provided directly by Facebook, however this has changed as their concept of crypto changed. For historic purposes, this is their proposal: developers.facebook.com/docs/authentication/canvas/encryption_proposal/ Currently see github.com/facebook/php-sdk/blob/master/src/facebook.php#L758 for a more accurate reference implementation strategy.

[Validate]