Module: Ramaze::Helper::SimpleCaptcha

Includes:

Traited

Defined in:

lib/ramaze/helper/simple_captcha.rb

Overview

  class RegisterController < Ramaze::Controller
    trait :captcha => lambda{
      ["the answer to everything", "42"]
    }

    def index
      %(
        <form action="#{r(:answer}">
          What is #{simple_captcha}?
          <input type="text" name="answer" />"
          <input type="submit" />
        </form>
      ).strip
    end

    def answer
      check_captcha(request[:answer])
    end
  end

Constant Summary

NUMBERS =

[5, 10, 15, 20]

Instance Method Summary (collapse)

• - (Object) check_captcha(answer)

  check the given answer against the answer stored in the session.

• - (Object) simple_captcha

  Call the trait[:captcha] and store question/answer in session.

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# File 'lib/ramaze/helper/simple_captcha.rb', line 53

def check_captcha(answer)
  return false unless captcha = session[:CAPTCHA]

  answer.to_s.strip == captcha[:answer].to_s
end

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# File 'lib/ramaze/helper/simple_captcha.rb', line 45

def simple_captcha
  question, answer  = ancestral_trait[:captcha].call
  session[:CAPTCHA] = { :question => question, :answer => answer.to_s }

  question
end