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.

Methods

Included Modules

Instance Public methods

show()

📝 Source code 
# File activestorage/app/controllers/active_storage/blobs/proxy_controller.rb, line 14
  def show
    if request.headers["Range"].present?
      send_blob_byte_range_data @blob, request.headers["Range"]
    else
      http_cache_forever public: true do
        response.headers["Accept-Ranges"] = "bytes"
        response.headers["Content-Length"] = @blob.byte_size.to_s

        send_blob_stream @blob, disposition: params[:disposition]
      end
    end
  end
🔎 See on GitHub