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author | Pratik Naik <pratiknaik@gmail.com> | 2009-04-22 15:26:03 +0100 |
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committer | Pratik Naik <pratiknaik@gmail.com> | 2009-04-22 15:26:03 +0100 |
commit | 5f3f100ce2d689480da85abc88e5e940cf90189e (patch) | |
tree | 15c1a05a5308a9eea56d7f0889ac46d9cac5b57c /actionpack/lib/action_dispatch/vendor/rack-1.0/rack/auth/digest/nonce.rb | |
parent | d758d996d1b66e2a65640f79f01ce2ac674d7ed5 (diff) | |
parent | ca49299434bc764b667cd86846d892e91a150ef3 (diff) | |
download | rails-5f3f100ce2d689480da85abc88e5e940cf90189e.tar.gz rails-5f3f100ce2d689480da85abc88e5e940cf90189e.tar.bz2 rails-5f3f100ce2d689480da85abc88e5e940cf90189e.zip |
Merge branch 'master' into active_model
Conflicts:
activeresource/lib/active_resource/validations.rb
Diffstat (limited to 'actionpack/lib/action_dispatch/vendor/rack-1.0/rack/auth/digest/nonce.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/vendor/rack-1.0/rack/auth/digest/nonce.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/vendor/rack-1.0/rack/auth/digest/nonce.rb b/actionpack/lib/action_dispatch/vendor/rack-1.0/rack/auth/digest/nonce.rb new file mode 100644 index 0000000000..dbe109f29a --- /dev/null +++ b/actionpack/lib/action_dispatch/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 |