facebook auth_hash without username or nickname field

gistfile1.json

pp request.env["omniauth.auth"]
{"provider"=>"facebook",
 "uid"=>"278975188965788",
 "info"=>
  {"email"=>"jiptfti_adeagbostein_1412358537@tfbnw.net",
   "name"=>"Dick Ameeiibgeiij Adeagbostein",
   "first_name"=>"Dick",
   "last_name"=>"Adeagbostein",
   "image"=>"https://graph.facebook.com/278975188965788/picture",
   "urls"=>
    {"Facebook"=>
      "https://www.facebook.com/app_scoped_user_id/278975188965788/"},
   "verified"=>false},
 "credentials"=>
  {"token"=>
    "CAAHzqZAKiifoBABZChXk2HopS5wQo0mBCucqUYVRQDohlfkS8t1uqdZCx9jqAg1bTRo78PSvlZCrsW2eDwt9XImy1lGlwqRlUNYAVDOuElLQCJbs8S8WcCwoeA2mJsKeBfmpU7G8F7cCsmyAh5fTZAZBWRyCVZCsenDAaxxmE569vLTZCAd6feJNbYJTKxj2NibdtO5kfdOl1hCkRVPqwDtU",
   "expires_at"=>1418088586,
   "expires"=>true},
 "extra"=>
  {"raw_info"=>
    {"id"=>"278975188965788",
     "email"=>"jiptfti_adeagbostein_1412358537@tfbnw.net",
     "first_name"=>"Dick",
     "gender"=>"male",
     "last_name"=>"Adeagbostein",
     "link"=>"https://www.facebook.com/app_scoped_user_id/278975188965788/",
     "locale"=>"en_US",
     "middle_name"=>"Ameeiibgeiij",
     "name"=>"Dick Ameeiibgeiij Adeagbostein",
     "timezone"=>5.5,
     "updated_time"=>"2014-10-03T17:58:56+0000",
     "verified"=>false}}}