Ruby on Rails Ruby
A Ruby snippet for Ruby on Rails that answers requests for /pixel.gif with the empty GIF, decoded once at startup.
Ruby on Rails Ruby
# app/controllers/pixels_controller.rb
# ActionController::API: no session, cookies or browser-version checks for a beacon.
class PixelsController < ActionController::API
GIF = "R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==".unpack1("m0").freeze
def show
no_store
send_data GIF, type: "image/gif", disposition: "inline"
end
end
# config/routes.rb
Rails.application.routes.draw do
get "/pixel.gif", to: "pixels#show", format: false
end
We ran this snippet and compared the bytes it returned.
Check it
curl -sI http://localhost:8080/pixel.gif