Up-to-date fork of Antonio Tapiador's OmniAuth strategy.
Add this gem to your Gemfile and bundle:
gem 'omniauth-fiware', git: 'git@github.com:rin/omniauth-fiware.git'
You need to sign up for an OAuth2 client id and secret at the FI-WARE Lab.
If you are using Devise, you can add the following to config/initializers/devise.rb
provider :fiware, <CLIENT_KEY>, <CLIENT_SECRET>