integrating omniauth-coursera into our devise setup

Gemfile

@@ -17,8 +17,7 @@ gem 'less-rails'
 # use Devise for login
 gem 'devise'
 gem 'omniauth'
-gem 'oauth2'
-gem 'omniauth-google-oauth2'
+gem 'omniauth-oauth'
 
 group :development do
   gem 'capistrano'

app/controllers/users/omniauth_callbacks_controller.rb

@@ -1,14 +1,25 @@
 class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
-	def google_oauth2
-	    # You need to implement the method below in your model (e.g. app/models/user.rb)
-	    @user = User.find_for_google_oauth2(request.env["omniauth.auth"], current_user)
 
-	    if @user.persisted?
-	      flash[:notice] = I18n.t "devise.omniauth_callbacks.success", :kind => "Google"
-	      sign_in_and_redirect @user, :event => :authentication
-	    else
-	      session["devise.google_data"] = request.env["omniauth.auth"]
-	      redirect_to new_user_registration_url
-	    end
-	end
+  def coursera
+    # FIXME: this needs to be worked out
+
+    # You need to implement the method below in your model (e.g. app/models/user.rb)
+    @user = User.find_for_coursera(request.env["omniauth.auth"], current_user)
+
+    if @user.persisted?
+      flash[:notice] = I18n.t "devise.omniauth_callbacks.success", :kind => "Coursera"
+      sign_in_and_redirect @user, :event => :authentication
+    else
+      session["devise.coursera_data"] = request.env["omniauth.auth"]
+      redirect_to new_user_registration_url
+    end
+  end
+
+  # This is necessary since Rails 3.0.4
+  # See https://github.com/intridea/omniauth/issues/185
+  # and http://www.arailsdemo.com/posts/44
+  protected
+  def handle_unverified_request
+    true
+  end
 end

app/models/user.rb

@@ -24,7 +24,8 @@ def apply_omniauth(auth)
     authentications.build(:provider => auth['provider'], :uid => auth['uid'], :token => auth['credentials']['token'])
   end
 
-  def self.find_for_google_oauth2(access_token, signed_in_resource=nil)
+  def self.find_for_coursera(access_token, signed_in_resource=nil)
+    # FIXME this needs to grab the realname from the raw_info in omniauth-coursera
     data = access_token.info
     user = User.where(:email => data["email"]).first
 

config/initializers/devise.rb

@@ -205,8 +205,9 @@
   # ==> OmniAuth
   # Add a new OmniAuth provider. Check the wiki for more information on setting
   # up on your models and hooks.
-  require "omniauth-google-oauth2"
-  config.omniauth :google_oauth2, '274300643461.apps.googleusercontent.com', 'qb9d9IhDExhM6Hu3eV7wZsUk', { :access_type => "offline", :approval_prompt => "" }
+
+  require "omniauth-coursera"
+  config.omniauth :coursera, 'db127b155312155233e6e5da331adfed38f96e4f', 'f4e61cf7794c5c703b8aa714d6cc4acca42c76ee'
 
   # ==> Warden configuration
   # If you want to use other strategies, that are not supported by Devise, or

config/initializers/omniauth.rb

@@ -1,3 +1,3 @@
 Rails.application.config.middleware.use OmniAuth::Builder do
-  provider :developer unless Rails.env.production?
+#  provider :developer unless Rails.env.production?
 end

config/routes.rb

@@ -64,7 +64,9 @@
   root :to => 'home#index'
 
   # After user authenticates with provider, user needs to go to omniauth call
-  match '/auth/:provider/callback' => 'authentications#create'
+  # match '/auth/:provider/callback' => 'authentications#create'
+
+  devise_for :users, :controllers => { :omniauth_callbacks => "users/omniauth_callbacks" }
 
   match '/api/v1/user/exercises/:exercise/problems/:problem/attempt' => 'score#attempt',
     :constraints => { :problem => /\d+/ }, :via => :post