devise-oauth2-provider-client

Current OAuth2 Specification Draft: http://tools.ietf.org/html/draft-ietf-oauth-v2-15

Install provider (rails app)

bundle install
bundle exec rake db:create
bundle exec rake db:migrate
bundle exec rake db:seed

# seeds.rb
Client.create(
  :name => "Sinatra Client",
  :redirect_uri => "http://localhost:9393/oauth/callback",
  :website => "http://localhost:9393/",
  :identifier => "120094574673767",
  :secret => "b54dc82476af2814e620b86776c42c0e"
)
User.create(
  :email => "alex@fuckingawesome.com",
  :password => "dragons",
  :name => "Alex"
)

rails s

Install client (sinatra app)

bundle install
bundle exec shotgun