I have some old app in Rails 4.0.0. Until 8th of Jul 2017 facebook registering works ok, but now v2.3 is deprecated and users can't register on my page.
Here is user.rb code:
def self.from_omniauth(auth)
oauth = Koala::Facebook::OAuth.new('xxx', 'xxxx')
new_access_info = oauth.exchange_access_token_info auth.credentials.token
new_access_token = new_access_info["access_token"]
new_access_expires_at = DateTime.now + new_access_info["expires"].to_i.seconds
user = where(auth.slice(:provider, :uid)).first
if !user.present?
user = where(email: auth.info.email).first
if user.present?
user.provider = auth.provider
user.uid = auth.uid
user.oauth_token = new_access_token
user.oauth_expires_at = new_access_expires_at
user.save!
else
user = User.new
user.provider = auth.provider
user.uid = auth.uid
user.email = auth.info.email
user.profile.gender = 1
user.confirmed_at = Time.now
user.first_name = auth.info.first_name
user.fb_image_url = auth.info.image
user.oauth_token = new_access_token
user.oauth_expires_at = new_access_expires_at
#str = user.fb_image_url.to_s
#index = #str.index('type')
#sliced = #str.slice(0, #index)
#slices = #sliced + 'width=800&height=800'
user.fb_image_url = #slices
if auth.info.gender == 'female'
user.fb_gender = 1
elsif auth.fb_gender == 'male'
user.fb_gender = 2
end
end
end
user
end
And here is /initializers/devise.rb :
require "omniauth-facebook"
config.omniauth :facebook, 'xxxxxxx', 'xxxxxxxxx',
scope: 'email,public_profile',
info_fields: 'email',
client_options: {
site: 'https://graph.facebook.com/v2.4', authorize_url: "https://www.facebook.com/v2.4/dialog/oauth"},
token_params: { parse: :json }
Gemfile - gem 'omniauth-facebook', '1.4.0'
What I need to change to make it work ? Right now after click "register by facebook" user is redirected to facebook, he login, accept permission and after redirect to my site - he is redirect to /users/sign_in - not like earlier to /users/sign_up to fill few more fields.
I stop making apps in Rails so do not know how to make it. Thanks for help
EDIT:
Ok, now it works but facebook do not return email so I need to add email field after redirect to my site. Why email is blank ?
Have you tried adding this in devise.rb:
config.omniauth :facebook, "KEY", "SECRET", scope: 'email', info_fields: 'email, name'
Also check https://github.com/mkdynamic/omniauth-facebook for more info.
Related
I am allowing Users to Sign Up to my Service using their Slack Account.
I integrated the Sign In with Slack via the omniauth-slack gem.
Now I've got problems accessing the email and other information.
This is how I am currently doing it:
def self.find_for_slack_oauth(auth)
user = UserProvider.where(:provider => auth.provider, :uid => auth.uid).first
unless user.nil?
user.user
else
registered_user = User.where(:email => auth.info.email).first
unless registered_user.nil?
user_provider = UserProvider.new
user_provider.provider = auth.provider
user_provider.uid = auth.uid
user_provider.user_id = registered_user.id
user_provider.save!
registered_user.name = auth.info.name if registered_user.name == nil
registered_user.avatar = auth.info.image if registered_user.avatar == nil
registered_user.slack_id = auth.extra.raw_info.user_identity if registered_user.slack_id == nil
registered_user.slack_team_id = auth.extra.raw_info.team_identity if registered_user.slack_team_id == nil
registered_user.slack_team_name = auth.info.team_name if registered_user.slack_team_name == nil
registered_user.skip_confirmation!
registered_user.save!
registered_user
else
user = User.new
user.name = auth.info.name
user.email = auth.info.email
user.avatar = auth.info.image
user.slack_id = auth.extra.raw_info.user_identity
user.slack_team_id = auth.extra.raw_info.team_identity
user.slack_team_name = auth.info.team_name
user.password = Devise.friendly_token[0,20]
user.skip_confirmation!
user.save!
user_provider = UserProvider.new
user_provider.provider = auth.provider
user_provider.uid = auth.uid
user_provider.user_id = user.id
user_provider.save!
user
end
end
end
But I get no information out of it. Devise complaints that I cannot create a User without an email which is not blank.
What is the auth hash, which contains the information?
EDIT:
I don't get any values via the Auth Hash.
Here is my initialization (devise.rb):
config.omniauth :slack, Settings.slack.id, Settings.slack.secret, scope: 'identity.basic,identity.email,identity.team,identity.avatar'
Why do I get nothing?
I noticed that I was just using the wrong scope.
Instead of:
config.omniauth :slack, Settings.slack.id, Settings.slack.secret, scope: 'identity.basic,identity.email,identity.team,identity.avatar'
I should use:
config.omniauth :slack, Settings.slack.id, Settings.slack.secret, scope: 'team:read,users:read,identify'
I hope this helps someone!
The Slack documentation isn't really helpful on this.
I am putting the finishing touches on a Rails app, and everything was working fine just yesterday, (most of it still is). But now, when I try to sign in with Facebook I get the error NoMethodError undefined method persisted? for nil:NilClass I haven't changed any code in the omniauth_callbacks_controller, or in the User Model, so I do not understand why this is happening all of the sudden.
Here's the code in omniauth_callbacks_controller
def self.provides_callback_for(provider)
class_eval %Q{
def #{provider}
#user = User.from_omniauth(env["omniauth.auth"])
if #user.persisted?
sign_in_and_redirect #user, event: :authentication
set_flash_message(:notice, :success, kind: "#{provider}".capitalize) if is_navigational_format?
else
session["devise.#{provider}_data"] = env["omniauth.auth"]
redirect_to new_user_registration_url
end
end
}
end
[:twitter, :facebook].each do |provider|
provides_callback_for provider
end
And in User.rb
def self.from_omniauth(auth)
identity = Identity.where(provider: auth.provider, uid: auth.uid).first_or_create do |identity|
if identity.user == nil
user = User.new
user.email = auth.info.email || "#{auth.uid}##{auth.provider}.generated"
user.password = Devise.friendly_token[0,20]
user.provider = auth.provider
if auth.provider == "facebook"
user.name = auth.info.name
user.username = "FacebookUser" + (1 + rand(1000)).to_s
elsif auth.provider == "twitter"
user.name = auth.info.name
user.username = auth.info.nickname
end
end
identity.user = user
end
identity.access_token = auth['credentials']['token']
identity.refresh_token = auth['credentials']['refresh_token']
identity.expires_at = auth['credentials']['expires_at']
identity.timezone = auth['info']['timezone']
identity.save
identity.user
end
I cannot figure out why it WAS working yesterday, but now it's not. Nothing has changed! I'm still accessing it from the same URL, I haven't messed with the API settings on Facebook, or in devise.rb.
the problem is that identity.user is nill. It could happen, because user not valid(not saved in db), in user model did not pass validations.
I think problem can be in user.email = auth.info.email || "#{auth.uid}##{auth.provider}.generated" - wrong email type. You can add something like puts user.errors in block wehe you created user.
Also i don't understand why you need a model - identity. Much easier add field to user model
Here is my code(it's work):
def self.from_omniauth(auth)
email = auth.info.email
user = User.find_by(email: email) if email
user ||= User.create do |user|
user.provider= auth.provider
user.uid= auth.uid
user.email = auth.info.email
user.password = Devise.friendly_token[0,20]
user.name = auth.info.name
user.email ||= "#{auth.uid}_#{auth.uid}#email.com"
end
end
I have the following code in user.rb using the Facebook-omniauth gem that logs in a single user:
def self.from_omniauth(auth)
where(auth.slice(:provider, :fb_id)).first_or_initialize.tap do |user|
user.provider = auth.provider
user.fb_id = auth.uid
user.name = auth.info.name
user.first_name = auth["info"]["first_name"] unless auth["info"].blank?
user.last_name = auth["info"]["last_name"] unless auth["info"].blank?
user.picture_url = auth.info.image
user.email = auth.info.email
user.oauth_token = auth.credentials.token unless auth["info"].blank?
user.location = auth.info.location unless auth["info"].blank?
user.save!
end
I want to build user accounts for multiple facebook users. When I log its fine but when another person signs in, the app replaces my user instance. Is there a way to keep building user accounts from this gem?
Thanks!
The solution was in the second line at: where(auth.slice(:provider, :fb_id))
I changed it from :uid to :fb_id to match the facebook id of everything else in all my other tables but after inspecting the auth hash I realized that :fb_id was not found at all and thus wasn't producing any new Users.
I renamed my User fb_id column back to uid and it now collects new users properly:
def self.from_omniauth(auth)
where(auth.slice(:provider, :uid)).first_or_initialize.tap do |user|
user.provider = auth.provider
user.uid = auth.uid
user.name = auth.info.name
user.first_name = auth["info"]["first_name"] unless auth["info"].blank?
user.last_name = auth["info"]["last_name"] unless auth["info"].blank?
user.picture_url = auth.info.image.sub("square", "large")
user.email = auth.info.email
user.oauth_token = auth.credentials.token unless auth["info"].blank?
user.location = auth.info.location unless auth["info"].blank?
user.save!
end
end
I am using omniauth-facebook gem with devise to authenticate with Facebook in my rails application in my user model
def self.from_omniauth(auth)
# immediately get 60 day auth token
oauth = Koala::Facebook::OAuth.new("App Key", "App secrets" )
new_access_info = oauth.exchange_access_token_info auth.credentials.token
new_access_token = new_access_info["access_token"]
new_access_expires_at = DateTime.now + new_access_info["expires"].to_i.seconds
begin
where(auth.slice(:provider, :uid)).first_or_initialize.tap do |user|
user.provider = auth.provider
user.uid = auth.uid
user.username = auth.info.first_name
user.lastname =auth.info.last_name
user.email =auth.info.email
user.authentication_token = new_access_token
user.oauth_expires_at = new_access_expires_at
user.save!
end
rescue ActiveRecord::RecordInvalid
end
end
#interact with facebook
def facebook
#facebook ||= Koala::Facebook::API.new(authentication_token)
block_given? ? yield(#facebook) : #facebook
rescue Koala::Facebook::APIError => e
logger.info e.to_s
nil # or consider a custom null object
end
def self.new_with_session(params, session)
if session["devise.user_attributes"]
new(session["devise.user_attributes"], :without_protection=> true) do |user|
user.attributes = params
user.valid?
end
else
super
end
end
and on my omniauth_callbacks controller I have this method:
def all
user = User.from_omniauth(request.env["omniauth.auth"])
if user.persisted?
flash.notice = "Signed in!"
sign_in_and_redirect user
else
session["devise.user_attributes"] = user.attributes
redirect_to new_user_registration_url
end
end
alias_method :facebook, :all
These methods are used to authenticate user from scratch via Facebook. I need a way to connect existing users with their Facebook accounts not new ones if they registered via normal devise registration method
When an existing user is trying to sign in via Facebook the following error occurs:
A `NoMethodError` occurred in `omniauth_callbacks#facebook`:
undefined method `persisted?' for nil:NilClass
app/controllers/omniauth_callbacks_controller.rb:4:in `all'
You can find user by email first and just update provider and uid fields in case he is already exists.
So your User.from_omniauth may looks like that:
def self.from_omniauth(auth)
# immediately get 60 day auth token
oauth = Koala::Facebook::OAuth.new("", "" )
new_access_info = oauth.exchange_access_token_info auth.credentials.token
new_access_token = new_access_info["access_token"]
new_access_expires_at = DateTime.now + new_access_info["expires"].to_i.seconds
user = where(provider: auth.provider, uid: auth.uid).first
unless user
# in that case you will find existing user doesn't connected to facebook
# or create new one by email
user = where(email: auth.info.email).first_or_initialize
user.provider = auth.provider # and connect him to facebook here
user.uid = auth.uid # and here
user.username = auth.info.first_name
user.lastname = auth.info.last_name
user.authentication_token = new_access_token
user.oauth_expires_at = new_access_expires_at
# other user's data you want to update
user.save!
end
user
end
upd:
In case you faced password validation error you can override User#password_required? method to skip validation for user's signed in via Facebook.
That behavior described in following episode of RailsCasts
Just for add an updated version of the answer for rails 4 and devise 3.4.x
Like this is how an updated omniauth would look like
def self.from_omniauth(auth)
if !where(email: auth.info.email).empty?
user = where(email: auth.info.email).first
user.provider = auth.provider # and connect him to facebook here
user.uid = auth.uid # and here
user.save!
user
else
where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
user.email = auth.info.email
user.password = Devise.friendly_token[0,20]
user.first_name = auth.info.name # assuming the user model has a name
user.avatar = process_uri(auth.info.image) # assuming the user model has an image
end
end
end
Just look for user by email, if there is one, just add the provider and uid, if there is not one, just create it as suggested in the documentation
You can have your from_omniauth be something like this:
def self.from_omniauth(auth)
where(auth.info.slice(:email)).first_or_create do |user|
user.email = auth.info.email
user.password = Devise.friendly_token[0,20]
user.username = auth.info.name
user.description = auth.extra.raw_info.bio
end
end
In this way, if there's an existing user with email same as the facebook account, then the first_or_create will return it and then the user can sign in (it won't be update).
Thanks to this other question I have amended my scopes so now I am requesting the correct permisisons so that I can save a users gender and location to the DB.
This is my user.rb code where all the info bar gender and location are saved. After following the protocol set by auth.info.name etc neither gender or location are saved or even retrieved.
def self.from_omniauth(auth)
where(auth.slice(:provider, :uid)).first_or_initialize.tap do |user|
user.provider = auth.provider
user.uid = auth.uid
user.name = auth.info.name
user.email = auth.info.email
user.picture = auth.info.image
user.gender = auth.info.gender
user.country = auth.info.locale
user.oauth_token = auth.credentials.token
user.oauth_expires_at = Time.at(auth.credentials.expires_at)
user.save!
end
end
here are the scopes im sending in
Rails.application.config.middleware.use OmniAuth::Builder do
provider :youtube, YOUTUBE_KEY, YOUTUBE_SECRET, { :scope => "https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/userinfo.email https://gdata.youtube.com", access_type: 'offline', approval_prompt: '' }
end
routes
match 'auth/youtube/callback', to: 'sessions#create'
Does anyone know the correct way to save these 2 values?
The problem here is that you are looking for that info in the wrong place in the omniauth hash. If you add the following line of code to the beginning of your controller action:
render :text => "<pre>" + env["omniauth.auth"].to_yaml and return
You'll be able to inspect the contents of the hash returned by the OAuth provider and see that gender and locale are located inside the extra key of the hash.
So, the answer here is just changing the two offending lines to:
user.gender = auth.extra.raw_info.gender
user.country = auth.extra.raw_info.locale