Twitter Oauth Strategy with Warden + Devise Authentication Gems for Ruby

Question

Devise, the authentication gem for Ruby based on Warden (another auth gem) does not support Twitter Oauth as an authentication strategy, BUT Warden does. There is a way to use the Warden Twitter Oauth strategy within Devise, but I cannot figure it out. I'm using the following block in the devise config file:

  config.warden do |manager|
       manager.oauth(:twitter) do |twitter|
          twitter.consumer_secret = <SECRET>
          twitter.consumer_key  = <KEY>
          twitter.options :site => 'http://twitter.com'
       end
       manager.default_strategies.unshift :twitter_oauth
  end

But I keep on getting all sorts of error messages. Does anyone know how to make this work? I'm assuming there is more to do here (configuring a new link/route to talk to Warden, maybe adding attributes to the Devise User model, etc.), but I can't figure out what they are. Please help.

Answer 1

Hey, do you solve the problem? I'm looking for the same solution

Answer 2

# Needed gems. Add to your Gemfile if you are using Rails3.  
gem 'devise'
gem 'warden_oauth'

#models/user.rb
devise :token_authenticatable, :oauthable # <-- Must have these

#/config/initializers/devise.rb
require 'warden_oauth'
config.warden do |manager|
  manager.oauth(:twitter) do |twitter|
    twitter.consumer_secret = '<SECRET>'
    twitter.consumer_key  = '<CONSUMER KEY>'
    twitter.options :site => 'http://twitter.com'
  end
  manager.default_strategies(:scope => :user).unshift :twitter_oauth
end

Warden::OAuth.access_token_user_finder(:twitter) do |access_token|
  User.find_or_create_by(:token => access_token.token, :secret => access_token.secret).tap do |user|
    #... 
  end
end

# Link to "Login With Twitter" somewhere in your view
<%= link_to( "Login With Twitter", user_session_path(:warden_oauth_provider => 'twitter') ) %>

Answer 3

This solution does work. You just have to make sure that you're calling a protected action when specifying :warden_oauth_provider => 'twitter', otherwise Rails will simply ignore it.

To use the example above, change the link to:

<%= link_to( "Login With Twitter", user_session_path(:warden_oauth_provider => 'twitter'), :method => :post ) %>