zendesk / captcha

A captcha plugin for Rails

captcha / lib / validates_captcha.rb
100644 18 lines (16 sloc) 0.418 kb
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module ValidatesCaptcha
  def self.included(base)
    base.extend(ClassMethods)
  end
  
  module ClassMethods
    def validates_captcha
      helper CaptchaHelper
      include ValidatesCaptcha::InstanceMethods
    end
  end
  
  module InstanceMethods
    def captcha_validated?
       CaptchaUtil::encrypt_string(params[:captcha].to_s.gsub(' ', '').downcase) == params[:captcha_validation]
    end    
  end  
end