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merb_openid =========== A plugin for Merb that wraps the ruby-openid gem (2.x) and provides an easy interface for consuming OpenIDs in a very similar way to the open_id_authentication plugin for Rails. Installation ============ Easy: gem install merb_openid Then in your application's init.rb: dependency 'merb_openid' The plugin uses the pretty limited memory store by default but you can add a new store using Merb::Config: Merb::Config[:merb_openid][:store] = OpenID::Store::Memory.new You'll probably want to use a database store on production apps. I'll start adding adapters based on the various ORMs soon. Usage ===== In your routes you need to make sure that the url you consume OpenIDs from can accept get requests, so: r.match('openid').(:controller => 'session', :action => 'openid') Then in your controller: class Session < Merb::Controller def openid if openid_request? # has the user provided a url (openid_url) openid_authenticate do |result, identity_url| if result == :success user = User.find_by_openid_url(identity_url) end end end end end SReg ==== Getting SReg data is easy too: class Session < Merb::Controller def openid if openid_request? # has the user provided a url (openid_url) openid_authenticate(:fields => [:fullname, :email]) do |result, identity_url, sreg| if result == :success user = User.find_by_openid_url(identity_url) user.name = sreg[:fullname] end end end end end More to come!