Added Plugin for dynamically adjusting session options (so they will never

[selectricity-live] / vendor / plugins / dynamic_sessions / lib / dynamic_session_expiry.rb

diff --git a/vendor/plugins/dynamic_sessions/lib/dynamic_session_expiry.rb b/vendor/plugins/dynamic_sessions/lib/dynamic_session_expiry.rb
new file mode 100644 (file)
index 0000000..8752365
--- /dev/null
+++ b/vendor/plugins/dynamic_sessions/lib/dynamic_session_expiry.rb
@@ -0,0 +1,38 @@
+# Provides the ability to have session cookies for your Rails app calculated
+# relative to the current time.
+#
+# In your environment.rb file (or in the environments/*.rb file of your choice),
+# do something like the following:
+#
+#   CGI::Session.expire_after 1.month
+#
+# Session cookies will then expire one month after the session was created. This
+# differs from the usual session cookie behavior in that the expiration date is
+# not a fixed time, but rather relative to the current time.
+
+class CGI
+  class Session
+    @@session_expiration_offset = 0
+    
+    def self.session_expiration_offset
+      @@session_expiration_offset
+    end
+    
+    def self.session_expiration_offset=(value)
+      @@session_expiration_offset = value
+    end
+
+    def self.expire_after(value)
+      @@session_expiration_offset = value
+    end
+    
+    alias :initialize_without_dynamic_session_expiration :initialize #:nodoc:
+    def initialize(request, option={}) #:nodoc:
+      if @@session_expiration_offset && @@session_expiration_offset > 0
+        option['session_expires'] = Time.now + @@session_expiration_offset
+      end
+      initialize_without_dynamic_session_expiration(request, option)
+    end
+    
+  end
+end
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