in lib/aws/session_store/dynamo_db/rack_middleware.rb [50:63]
def find_session(req, sid)
validate_config
case verify_hmac(sid)
when nil
set_new_session_properties(req.env)
when false
handle_error { raise InvalidIDError }
set_new_session_properties(req.env)
else
data = @lock.get_session_data(req.env, sid)
[sid, data || {}]
end
end