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 54

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 46

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

  question
end