app/controllers/active_storage/representations/proxy_controller.rb
# frozen_string_literal: true # Proxy files through application. This avoids having a redirect and makes files easier to cache. # # WARNING: All Active Storage controllers are publicly accessible by default. The # generated URLs are hard to guess, but permanent by design. If your files # require a higher level of protection consider implementing # {Authenticated Controllers}[https://guides.rubyonrails.org/active_storage_overview.html#authenticated-controllers]. class ActiveStorage::Representations::ProxyController < ActiveStorage::Representations::BaseController include ActiveStorage::Streaming include ActiveStorage::DisableSession def show http_cache_forever public: true do send_blob_stream @representation, disposition: params[:disposition] end end end