Rails - Apr 2010 - How do I update middleware for Rails 3?

Hello,

I''m updating an application to Rails 3 that has Uploadify implemented
as
described by John Nunemaker here:
http://railstips.org/blog/archives/2009/07/21/uploadify-and-rails23/

My questions are:

1) Where should middleware live in a Rails 3 application?
app/middleware?

2) Is the middleware path loaded in config/application.rb? Or is there a
way to do it in config/environment.rb?

3) What should I update the following code to to make it work in Rails
3?

# config/initializers/session_store.rb

ActionController::Dispatcher.middleware.insert_before(
  ActionController::Session::CookieStore,
  FlashSessionCookieMiddleware,
  ActionController::Base.session_options[:key]
)

Specifically, how do I call each of the following:

- ActionController::Dispatcher.middleware.insert_before
- ActionController::Session::CookieStore
- ActionController::Base.session_options[:key]

I''ve looked through the Rails 3 source, and tried various combinations
e.g., ActionDispatch::Cookies, ActionDispatch::Middleware::Cookies,
ActionController.cookies, etc., but to no avail.

Thanks, Patrick
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hi, Patrick.
Try the following code, it works for me.

replace
# config/initializers/session_store.rb

ActionController::Dispatcher.middleware.insert_before(
  ActionController::Session::CookieStore,
  FlashSessionCookieMiddleware,
  ActionController::Base.session_options[:key]
)

with

Rails.application.config.middleware.insert_before(Rails.application.config.session_store,
FlashSessionCookieMiddleware, 
Rails.application.config.session_options[:key])

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