Friendlycapture Ruby service class

friendly_capture.rb

class FriendlyCaptcha
  class Error < StandardError; end
  def initialize(token)
    @token = token
  end

  # FriendlyCaptcha.valid?("my token that was passed from frontend")
  def self.valid?(token)
    new(token).valid?
  end

  def valid?
    handle_api_response(verify_token_request(@token))
  rescue FriendlyCaptcha::Error
    # In case of a HTTP error or json error we gracefully
    # return true so that the user is not annoyed.
    true
  end

  private

  def handle_api_response(response)
    # graceful API error handling. It will always return 200
    return true unless response.status == 200
    res = JSON.parse(response.body, symbolize_names: true)
    res[:success]
  rescue JSON::ParserError, Faraday::Error
    raise FriendlyCaptcha::Error
  end

  def http_service
    Faraday.new(
      url: 'https://api.friendlycaptcha.com',
      headers: {'Content-Type' => 'application/json'}
    )
  end

  def verify_token_request(tok)
    body = {
      solution: tok,
      # get these values from your friendlycapture setup
      secret: Rails.application.config.x.friendly_captcha[:api_key],
      sitekey: Rails.application.config.x.friendly_captcha[:key],
    }
    http_service.post('/api/v1/siteverify') do |req|
      req.body = body.to_json
    end
  end
end