+ validates_format_of :url, :with => /\Ahttp(s?):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/i
+ validates_format_of :support_url, :with => /\Ahttp(s?):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/i, :allow_blank => true
+ validates_format_of :callback_url, :with => /\A[a-z][a-z0-9.+-]*:\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/i, :allow_blank => true
+
+ before_validation :generate_keys, :on => :create
+
+ attr_accessor :token_callback_url
+
+ def self.find_token(token_key)
+ token = OauthToken.find_by_token(token_key, :include => :client_application)
+ token if token && token.authorized?
+ end
+