Perform a HTTP GET request safely in Ruby, to answer https://twitter.com/mattiasgeniar/status/1283725453065367555

cron_ping.rb

require 'net/http'

def ping(endpoint)
  uri = URI.parse(endpoint)
  http = Net::HTTP.new(uri.host, uri.port)
  
  if uri.scheme == 'https'
    http.use_ssl = true
    http.verify_mode = OpenSSL::SSL::VERIFY_PEER
  end
  
  request = Net::HTTP::Get.new(uri.request_uri)
  response = http.request(request)
  response.code == '200' #=> Returns either true or false
rescue Timeout::Error, Errno::EINVAL, Errno::ECONNRESET, EOFError,
       Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, Net::ProtocolError
  false #=> Returns false when connection or request failed
end

ping('https://ohdear.app/ping/123')