I am using Devise with Omniauth to have users sign into my app with Facebook. I used the Railscast tutorials to get it up and running.
If a user is already a member of my site authenticating through facebook works fine. The problem comes in when authenticating a new user with facebook. When it goes to create a new user for my User model I get the "users.encrypted_password may not be NULL" error. I can't figure out how to pass over the password to the User model from Facebook information.
This is what I have:
authentations_controller.rb
class AuthenticationsController < ApplicationController
def index
@authentications = current_user.authentications if current_user
end
def create
omniauth = request.env["omniauth.auth"]
authentication = Authentication.find_by_provider_and_uid(omniauth['provider'], omniauth['uid'])
if authentication
flash[:notice] = "Signed in successfully."
sign_in_and_redirect(:user, authentication.user)
elsif current_user
current_user.authentications.create!(:provider => omniauth['provider'], :uid => omniauth['uid'])
flash[:notice] = "Authentication successful."
redirect_to authentications_url
else
user = User.new
user.apply_omniauth(omniauth)
if user.save
flash[:notice]开发者_如何学运维 = "Signed in successfully."
sign_in_and_redirect(:user, user)
else
session[:omniauth] = omniauth.except('extra')
redirect_to new_user_registration_url
end
end
end
user.rb
def apply_omniauth(omniauth)
self.email = omniauth['user_info']['email'] if email.blank?
authentications.build(:provider => omniauth['provider'], :uid => omniauth['uid'])
end
def password_required?
(authentications.empty? || !password.blank?) && super
end
Any help would be great, thanks in advance!
Add :password => Devise.friendly_token[0,20] when creating a new user from facebook omniauth.
I believe Devise is expecting something in the password field to create a User. Since there is no password when doing facebook oauth (not on your app side at least), you just need to create a dummy password as show above.
See this for more info: https://github.com/plataformatec/devise/wiki/OmniAuth:-Overview
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