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authorBrian Durand <brian@embellishedvisions.com>2011-10-21 13:13:29 -0500
committerBrian Durand <brian@embellishedvisions.com>2011-10-21 13:13:29 -0500
commit2b04c2f66e3cf5abbbf118eaa1e692b9e1380e4e (patch)
treee22522de3a10e9522a31fb92bca9191a296b6db0 /railties/guides/source/security.textile
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Add ActionDispatch::Session::CacheStore as a generic way of storing sessions in a cache.
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@@ -82,9 +82,9 @@ This will also be a good idea, if you modify the structure of an object and old
h4. Session Storage
--- _Rails provides several storage mechanisms for the session hashes. The most important are SessionStore and CookieStore._
+-- _Rails provides several storage mechanisms for the session hashes. The most important are ActiveRecord::SessionStore and ActionDispatch::Session::CookieStore._
-There are a number of session storages, i.e. where Rails saves the session hash and session id. Most real-live applications choose SessionStore (or one of its derivatives) over file storage due to performance and maintenance reasons. SessionStore keeps the session id and hash in a database table and saves and retrieves the hash on every request.
+There are a number of session storages, i.e. where Rails saves the session hash and session id. Most real-live applications choose ActiveRecord::SessionStore (or one of its derivatives) over file storage due to performance and maintenance reasons. ActiveRecord::SessionStore keeps the session id and hash in a database table and saves and retrieves the hash on every request.
Rails 2 introduced a new default session storage, CookieStore. CookieStore saves the session hash directly in a cookie on the client-side. The server retrieves the session hash from the cookie and eliminates the need for a session id. That will greatly increase the speed of the application, but it is a controversial storage option and you have to think about the security implications of it: