1 # Copyright (c) 2010 August Lilleaas
3 # Permission is hereby granted, free of charge, to any person obtaining
4 # a copy of this software and associated documentation files (the
5 # "Software"), to deal in the Software without restriction, including
6 # without limitation the rights to use, copy, modify, merge, publish,
7 # distribute, sublicense, and/or sell copies of the Software, and to
8 # permit persons to whom the Software is furnished to do so, subject to
9 # the following conditions:
11 # The above copyright notice and this permission notice shall be
12 # included in all copies or substantial portions of the Software.
14 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
18 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
19 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
20 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 module SessionPersistence
25 # Install filter when we are included
26 def self.included(controller)
27 controller.after_filter :persist_session
30 # Override this method if you don't want to use session[:_remember_for].
31 def session_persistence_key
35 # Persist the session.
37 # session_expires_after 1.hour
38 # session_expires_after 2.weeks
39 def session_expires_after(seconds)
40 session[session_persistence_key] = seconds
44 def session_expires_automatically
45 session.delete(session_persistence_key)
46 request.session_options[:renew] = true
51 if session[session_persistence_key]
52 request.session_options[:expire_after] = session[session_persistence_key]