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# frozen_string_literal: true
# Take a signed permanent reference for a blob and turn it into an expiring service URL for download.
# Note: These URLs are publicly accessible. If you need to enforce access protection beyond the
# security-through-obscurity factor of the signed blob references, you'll need to implement your own
# authenticated redirection controller.
class ActiveStorage::BlobsController < ActiveStorage::BaseController
include ActiveStorage::SetBlob
def show
expires_in ActiveStorage::Blob.service.url_expires_in
redirect_to @blob.service_url(disposition: params[:disposition])