def create
if RAILS_ENV == 'development'
session[:url] = params[:url]
redirect_to homepage_path
return
end
store = OpenID::Store::Filesystem.new(RAILS_ROOT + '/tmp')
consumer = OpenID::Consumer.new(session, store)
oid_req = consumer.begin params[:url]
realm = request.protocol + request.host_with_port
return_to = session_url
redirect_to oid_req.redirect_url(realm, return_to)
end