why facebook email is not retrieved? - facebook

Question

After user accept to sign in with his facebook account, my app callback will be called by facebook, I've noticed that facebook didn't retrieved user email, although in the configuration of omniauth, I've listed email in the permission list like this:
Rails.application.config.middleware.use OmniAuth::Builder do
provider :facebook, omniauth_app_id, omniauth_app_secret_id,
:scope => 'email,user_birthday,read_stream', :display => 'popup'
end
I am expecting to find email in request.env['omniauth.auth']['extra']['raw_info']['email'] or request.env['omniauth.auth']['info']['raw_info']['email']
But, its not there .. in fact, its not in any attribute within the request object!
Any idea ? is it related to my app facebook settings ?
EDIT
Here is the call back result from Facebook:
puts auth.inspect
#<OmniAuth::AuthHash credentials=#<Hashie::Mash expires=true expires_at=1353164400 token="***"> extra=#<Hashie::Mash raw_info=#<Hashie::Mash first_name="***" id="***" last_name="***" link="***" locale="ar_AR" name="***" timezone=2 updated_time="2012-11-17T13:01:59+0000" username="***" verified=true>> info=#<OmniAuth::AuthHash::InfoHash first_name="***" image="***" last_name="***" name="***" nickname="***" urls=#<Hashie::Mash Facebook="***"> verified=true> provider="facebook" uid="***">
I have replaced reall data with *, but, you can see that the email data is missing ..
EDIT2
Here is my gems used at Gemfile
gem 'devise'
gem 'omniauth'
gem 'omniauth-facebook', '1.4.0'
gem 'oauth2'

Answer 1

Ok, I found it! Here is what facebook says here
By default, calling FB.login will attempt to authenticate the user
with only the basic permissions. If you want one or more additional
permissions, call FB.login with an option object, and set the scope
parameter with a comma-separated list of the permissions you wish to
request from the user.
So, I have to add 'email' like this:
FB.login(function(response) {
// handle the response
}, {scope: 'email,user_likes'});
Thanks very much for all people who tried to help :-)

Answer 2

It's possible to have an facebook account without confirm the email. In this case, the request.env['omniauth.auth']['info'] has no 'email' key.

Answer 3

We use devise and omniauth for facebook - following the following railscast. I don't know if you can adapt but we have successfully pulled the email and some other info. from the callback.
http://asciicasts.com/episodes/241-simple-omniauth
Our controller action looks like this (condensed):
def create
omniauth = request.env["omniauth.auth"]
authentication = Authentication.find_by_provider_and_uid(omniauth['provider'], omniauth['uid'])
if authentication
sign_in_and_redirect(:user, authentication.user)
elsif current_user
current_user.authentications.create(:provider => omniauth ['provider'], :uid => omniauth['uid'])
redirect_to authentications_url
else
user = User.new
user.apply_omniauth(omniauth)
if user.save
sign_in_and_redirect(:user, user)
else
session[:omniauth] = omniauth.except('extra')
redirect_to new_user_registration_url
end
end
end
User.apply_omniauth:
def apply_omniauth(omniauth)
authentications.build(:provider => omniauth['provider'], :uid => omniauth['uid'])
end
We get the email, as advise by someone else, using this:
#omniauth_email = session[:omniauth][:info][:email]
I hope this helps, I know it's not quiet what you're looking for.
-- edit --
My initialiser is different to yours. Try removing all that xs stuff and use something like this:
Rails.application.config.middleware.use OmniAuth::Builder do
provider :facebook, 'xxxxxx', 'xxxxxx'
...
end

Answer 4

How about fetching it from the info hash?
request.env['omniauth.auth']['info']['email']
I think that it is what omniauth-facebook recomends in the Auth Hash section