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.

Methods
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F
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Attributes
[RW] private_key
[RW] time_limit
Class Public methods
new(timestamp = Time.now, given_digest = nil)
# File lib/rack/auth/digest/nonce.rb, line 24
def initialize(timestamp = Time.now, given_digest = nil)
  @timestamp, @given_digest = timestamp.to_i, given_digest
end
parse(string)
# File lib/rack/auth/digest/nonce.rb, line 20
def self.parse(string)
  new(*string.unpack("m*").first.split(' ', 2))
end
Instance Public methods
digest()
# File lib/rack/auth/digest/nonce.rb, line 32
def digest
  ::Digest::MD5.hexdigest([ @timestamp, self.class.private_key ] * ':')
end
fresh?()
# File lib/rack/auth/digest/nonce.rb, line 44
def fresh?
  !stale?
end
stale?()
# File lib/rack/auth/digest/nonce.rb, line 40
def stale?
  !self.class.time_limit.nil? && (Time.now.to_i - @timestamp) > self.class.time_limit
end
to_s()
# File lib/rack/auth/digest/nonce.rb, line 28
def to_s
  [([ @timestamp, digest ] * ' ')].pack("m*").strip
end
valid?()
# File lib/rack/auth/digest/nonce.rb, line 36
def valid?
  digest == @given_digest
end