On Sun, Sep 20, 2009 at 3:09 PM, Robert Vogel <[email protected]> wrote: > > Finishing up this head-banger... hope this is useful to someone > running a Rails 2.3.4 app inside an iframe. > > My app runs in an iframe. IE7 blocks my cookies .. and worse.. my > site.. if I render a page in that iframe without a P3P code. > > So, I insert an appropriate P3P in the header of every response. So > far, so good. > > The problem is that I cannot insert a P3P into a 304 (not modified) > response. Apache removes it... for good reason.. as the P3P in that > response violates RFC 2616 10.3.5 304 Not Modified. > > Now the plot thickens. > > IE7, when rendering an iframe, is ok with a P3P'less 304 header, as > long as there is no cookie-set. Unfortunately, the middleware in > Rails 2.3.4 inserts a session cookie, even in the 304's. So, my > iframe'd application looses the user login as soon as he navigates > back to a previously rendered page. > > I fixed this by inserting a new middleware component before the > cookiestore to override the default middleware behavior (see below). > > I believe that the default middleware cookiestore should be modified > to not set any cookie in a 304 response.
This is kind of ironic, I just used Set-Cookie on a 304 response intentionally last week to work around a caching issue :). It seemed like a cool idea to me. If its strictly illegal to use Set-Cookie on not modified I can understand the reason to patch the behavior. However, I think the real problem with the "lazy" middleware is that you can't (easily) force no cookie to be set. I've been bitten by this too in 2.3. I've worked around it by doing a reset session in an after filter (not ideal). We should find a way to restore "session :off" behavior. -- Joshua Peek --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-core?hl=en -~----------~----~----~----~------~----~------~--~---
