Class: ActiveStorage::Blobs::ProxyController

Inherits:
ActiveStorage::BaseController
  • Object
show all
Includes:
DisableSession, SetBlob, Streaming
Defined in:
app/controllers/active_storage/blobs/proxy_controller.rb

Overview

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.

Constant Summary

Constants included from Streaming

Streaming::DEFAULT_BLOB_STREAMING_DISPOSITION

Instance Method Summary collapse

Instance Method Details

#show ⇒ Object 



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# File '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