title: How do I bypass protect_from_forgery in Rails 3 for a Facebook canvas app?
body: <p>I have a Rails 3 Facebook canvas app. When it loads up it gives me an invalid authenticity token error and displays the <code>signed_request</code> parameter that Facebook sends to my app. Is there a way to bypass the 'protect_from_forgery' for the signed_request from facebook?</p>
  
  <p>Thanks!</p>
  
  <p>Tim</p>