I am trying to figure out where authenticity tokens are being stored by rails4. On every request rails seems to generate a new token. But where are all of these tokens are stored exactly when using cookie store? I have looked through the session variable but could not find anything.
Where does rails store authenticity token
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I figured out how rails handles the storage and the validation of csrf tokens: I was looking for this http://apidock.com/rails/ActionController/RequestForgeryProtection. So the csrf token is stored in the session. Like I mentioned before, this token remains the same. But this token is used to generate the authenticity tokens which are shown on the forms (see http://apidock.com/rails/v4.2.1/ActionController/RequestForgeryProtection/masked_authenticity_token).
To validate the authenticity tokens there are the methods real_csrf_token and compare_with_real_token. So there is no need to store every single generated token like I thought in the first place.