require 'net/https'
require 'uri'

SITE_URI = ''
SITE_CA  = ''
USERNAME = ''
PASSWORD = ''

uri = URI.parse(SITE_URI)
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
http.ca_file = SITE_CA

req = Net::HTTP::Get.new(uri.path)
req.basic_auth(USERNAME, PASSWORD)

res = http.request(req)
p res