Class: RFGraph::Auth

Inherits:
Object
  • Object
show all
Defined in:
lib/rfgraph/auth.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app_id, app_secret) ⇒ Auth

Returns a new instance of Auth.



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# File 'lib/rfgraph/auth.rb', line 11

def initialize(app_id, app_secret)
  @app_id = app_id
  @app_secret = app_secret
end

Instance Attribute Details

#access_token ⇒ Object

Returns the value of attribute access_token.



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# File 'lib/rfgraph/auth.rb', line 8

def access_token
  @access_token
end

#app_id ⇒ Object

Returns the value of attribute app_id.



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# File 'lib/rfgraph/auth.rb', line 6

def app_id
  @app_id
end

#app_secret ⇒ Object

Returns the value of attribute app_secret.



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# File 'lib/rfgraph/auth.rb', line 7

def app_secret
  @app_secret
end

#expires ⇒ Object

Returns the value of attribute expires.



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# File 'lib/rfgraph/auth.rb', line 9

def expires
  @expires
end

Instance Method Details

#authorize(callback_url, code) ⇒ Object

Take the oauth2 request token and turn it into an access token which can be used to access private data



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# File 'lib/rfgraph/auth.rb', line 33

def authorize(callback_url, code)
  data = open("#{BASE_URL}/oauth/access_token?client_id=#{app_id}&redirect_uri=#{CGI.escape callback_url}&client_secret=#{app_secret}&code=#{CGI.escape code}").read
  
  # The expiration date is not necessarily set, as the app might have
  # requested offline_access to the data
  match_data = data.match(/expires=([^&]+)/)
  @expires = match_data && match_data[1] || nil
  
  # Extract the access token
  @access_token = data.match(/access_token=([^&]+)/)[1]
end

#authorize_url(callback_url, options = {}) ⇒ Object

Options:

Array like [:user_photos, :user_videos, :stream_publish] For more permission scopes, see developers.facebook.com/docs/authentication/permissions

All other options in the options Hash will be put in the authorize_url.



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# File 'lib/rfgraph/auth.rb', line 23

def authorize_url(callback_url, options = {})
  url = "#{BASE_URL}/oauth/authorize?client_id=#{app_id}&redirect_uri=#{callback_url}"
  scope = options.delete(:scope)
  url += "&scope=#{scope.join(',')}" unless scope.blank?
  url += "&#{options.to_query}" unless options.blank? # Add other options. FIXME: to_query method requires Rails?!
  return url
end