From 2277fbedbea930fb8ce38ab7eb133de6fcc4a2d6 Mon Sep 17 00:00:00 2001
From: Joshua Peek <josh@joshpeek.com>
Date: Sat, 7 Feb 2009 00:08:28 -0600
Subject: Temporarily bundle Rack 1.0 prerelease for testing

---
 .../vendor/rack-1.0/rack/auth/digest/nonce.rb      | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 actionpack/lib/action_controller/vendor/rack-1.0/rack/auth/digest/nonce.rb

(limited to 'actionpack/lib/action_controller/vendor/rack-1.0/rack/auth/digest/nonce.rb')

diff --git a/actionpack/lib/action_controller/vendor/rack-1.0/rack/auth/digest/nonce.rb b/actionpack/lib/action_controller/vendor/rack-1.0/rack/auth/digest/nonce.rb
new file mode 100644
index 0000000000..dbe109f29a
--- /dev/null
+++ b/actionpack/lib/action_controller/vendor/rack-1.0/rack/auth/digest/nonce.rb
@@ -0,0 +1,51 @@
+require 'digest/md5'
+
+module Rack
+  module Auth
+    module Digest
+      # Rack::Auth::Digest::Nonce is the default nonce generator for the
+      # Rack::Auth::Digest::MD5 authentication handler.
+      #
+      # +private_key+ needs to set to a constant string.
+      #
+      # +time_limit+ can be optionally set to an integer (number of seconds),
+      # to limit the validity of the generated nonces.
+
+      class Nonce
+
+        class << self
+          attr_accessor :private_key, :time_limit
+        end
+
+        def self.parse(string)
+          new(*string.unpack("m*").first.split(' ', 2))
+        end
+
+        def initialize(timestamp = Time.now, given_digest = nil)
+          @timestamp, @given_digest = timestamp.to_i, given_digest
+        end
+
+        def to_s
+          [([ @timestamp, digest ] * ' ')].pack("m*").strip
+        end
+
+        def digest
+          ::Digest::MD5.hexdigest([ @timestamp, self.class.private_key ] * ':')
+        end
+
+        def valid?
+          digest == @given_digest
+        end
+
+        def stale?
+          !self.class.time_limit.nil? && (@timestamp - Time.now.to_i) < self.class.time_limit
+        end
+
+        def fresh?
+          !stale?
+        end
+
+      end
+    end
+  end
+end
-- 
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