OmniAuth expects the class passed to setup to respond to the call method. env - Rack environment
# File lib/omniauth_setup.rb, line 4 def self.call(env) new(env).send(:setup) end
Assign variables and create a request object for use later. env - Rack environment
# File lib/omniauth_setup.rb, line 10 def initialize(env) @env = env @request = ActionDispatch::Request.new(env) end