diff options
Diffstat (limited to 'actionpack/lib')
-rw-r--r-- | actionpack/lib/action_dispatch.rb | 1 | ||||
-rw-r--r-- | actionpack/lib/action_dispatch/middleware/session/cache_store.rb | 50 |
2 files changed, 51 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch.rb b/actionpack/lib/action_dispatch.rb index c13850f378..1e92d14542 100644 --- a/actionpack/lib/action_dispatch.rb +++ b/actionpack/lib/action_dispatch.rb @@ -83,6 +83,7 @@ module ActionDispatch autoload :AbstractStore, 'action_dispatch/middleware/session/abstract_store' autoload :CookieStore, 'action_dispatch/middleware/session/cookie_store' autoload :MemCacheStore, 'action_dispatch/middleware/session/mem_cache_store' + autoload :CacheStore, 'action_dispatch/middleware/session/cache_store' end autoload_under 'testing' do diff --git a/actionpack/lib/action_dispatch/middleware/session/cache_store.rb b/actionpack/lib/action_dispatch/middleware/session/cache_store.rb new file mode 100644 index 0000000000..d3b6fd12fa --- /dev/null +++ b/actionpack/lib/action_dispatch/middleware/session/cache_store.rb @@ -0,0 +1,50 @@ +require 'action_dispatch/middleware/session/abstract_store' +require 'rack/session/memcache' + +module ActionDispatch + module Session + # Session store that uses an ActiveSupport::Cache::Store to store the sessions. This store is most useful + # if you don't store critical data in your sessions and you don't need them to live for extended periods + # of time. + class CacheStore < AbstractStore + # Create a new store. The cache to use can be passed in the <tt>:cache</tt> option. If it is + # not specified, <tt>Rails.cache</tt> will be used. + def initialize(app, options = {}) + @cache = options[:cache] || Rails.cache + options[:expire_after] ||= @cache.options[:expires_in] + super + end + + # Get a session from the cache. + def get_session(env, sid) + sid ||= generate_sid + session = @cache.read(cache_key(sid)) + session ||= {} + [sid, session] + end + + # Set a session in the cache. + def set_session(env, sid, session, options) + key = cache_key(sid) + if session + @cache.write(key, session, :expires_in => options[:expire_after]) + else + @cache.delete(key) + end + sid + end + + # Remove a session from the cache. + def destroy_session(env, sid, options) + @cache.delete(cache_key(sid)) + generate_sid + end + + private + # Turn the session id into a cache key. + def cache_key(sid) + "_session_id:#{sid}" + end + end + end +end |