Module: Recaptcha::Verify

Defined in:
lib/recaptcha/verify.rb

Instance Method Summary collapse

Instance Method Details

#verify_recaptcha(options = {}) ⇒ Object

Your private API can be specified in the options hash or preferably the environment variable RECAPTCHA_PUBLIC_KEY.

Raises:



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# File 'lib/recaptcha/verify.rb', line 5

def verify_recaptcha(options = {})
  return true if SKIP_VERIFY_ENV.include? ENV['RAILS_ENV']
  model = options.is_a?(Hash)? options[:model] : options
  private_key = options[:private_key] if options.is_a?(Hash)
  private_key ||= ENV['RECAPTCHA_PRIVATE_KEY']
  raise RecaptchaError, "No private key specified." unless private_key
  begin
    recaptcha = nil
    Timeout::timeout(options[:timeout] || 3) do
      recaptcha = Net::HTTP.post_form URI.parse("http://#{RECAPTCHA_VERIFY_SERVER}/verify"), {
        "privatekey" => private_key,
        "remoteip"   => request.remote_ip,
        "challenge"  => params[:recaptcha_challenge_field],
        "response"   => params[:recaptcha_response_field]
      }
    end
    answer, error = recaptcha.body.split.map { |s| s.chomp }
    unless answer == 'true'
      session[:recaptcha_error] = error
      if model
        model.valid?
        model.errors.add :base, options[:message] || "Captcha response is incorrect, please try again."
      end
      return false
    else
      session[:recaptcha_error] = nil
      return true
    end
  rescue Timeout::Error 
    session[:recaptcha_error] = "recaptcha-not-reachable"
    if model
      model.valid?
      model.errors.add :base, options[:message] || "Oops, we failed to validate your Captcha. Please try again."
    end
    return false
  rescue Exception => e
    raise RecaptchaError, e.message, e.backtrace
  end
end