Implements iChain authentication

app/controllers/registrations_controller.rb

@@ -3,55 +3,12 @@ class RegistrationsController < Devise::RegistrationsController
 
   def edit
     @openids = Openid.where(user_id: current_user.id).order(:provider)
+    super
   end
 
   def update
     @openids = Openid.where(user_id: current_user.id).order(:provider)
-    @user = User.find(current_user.id)
-    email_changed = false
-
-    if !params[:user][:email].nil?
-      if @user.email != params[:user][:email]
-        email_changed = true
-      else
-        params[:user].delete :email
-      end
-    end
-
-    password_changed = false
-    if !params[:user][:password].nil?
-      if !params[:user][:password].empty?
-        password_changed = true
-      else
-        params[:user].delete :password
-        params[:user].delete :password_confirmation
-      end
-    end
-
-    if email_changed || password_changed
-      successfully_updated = @user.update_with_password(account_update_params)
-    else
-      params[:user].delete :current_password
-      successfully_updated = @user.update_without_password(account_update_params)
-    end
-
-    if successfully_updated
-      if email_changed
-        unless @user.nil?
-          @user.update_attribute('email', params[:user][:email])
-        end
-        set_flash_message :notice, :update_needs_confirmation
-      else
-        set_flash_message :notice, :updated
-      end
-      # Sign in the user bypassing validation in case his password changed
-      sign_in @user, bypass: true
-      redirect_to after_update_path_for(@user)
-    else
-      flash[:alert] = 'Updating account failed. ' \
-        "#{@user.errors.full_messages.join('. ')}."
-      render 'edit'
-    end
+    super
   end
 
   protected
@@ -67,8 +24,7 @@ class RegistrationsController < Devise::RegistrationsController
   def configure_permitted_parameters
     devise_parameter_sanitizer.for(:account_update) do |u|
       u.
-          permit(:email, :password, :password_confirmation, :current_password, :name, :biography,
-                 :nickname, :affiliation, :username)
+          permit(:email, :password, :password_confirmation, :current_password, :username)
     end
     devise_parameter_sanitizer.for(:sign_up) do |u|
       u.