How do I access the Rack environment from within Rails?
I’m pretty sure you can use the Rack::Request object for passing request-scope variables: # middleware: def call(env) request = Rack::Request.new(env) # no matter how many times you do ‘new’ you always get the same object request[:foo] = ‘bar’ @app.call(env) end # Controller: def index if params[:foo] == ‘bar’ … end end Alternatively, you can get … Read more