Get response given an URL and follow redirects

response_follow_redirect.rb

require 'uri'
require 'net/http'
require 'openssl'

MAX_ATTEMPTS = 2

# Get response given an URL and follow redirects
def self.url_response(uri)
    found    = false
    url      = URI.parse(uri)
    attempts = 0
    response = nil
    until found || attempts >= MAX_ATTEMPTS
      attempts += 1
      http = Net::HTTP.new(url.host, url.port)
      http.open_timeout = 10
      http.read_timeout = 10
      path = url.path
      path = '/' if path.eql?('')

      request = Net::HTTP::Get.new(path)
      if url.instance_of?(URI::HTTPS)
        http.use_ssl = true
        http.verify_mode = OpenSSL::SSL::VERIFY_NONE
      end
      response = http.request(request)
      break if response.code.eql?('200')

      if not response.header['location'].nil?
        new_url = URI.parse(response.header['location'])
        new_url = "#{url}#{response.header['location']}" if new_url.relative?
        url = new_url
      else
        found = true # response was 404, etc
      end
    end
    {
      url: url,
      body: response.read_body
    }
  end