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# frozen_string_literal: true
# Take a signed permanent reference for a blob representation 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 and variation reference, you'll need to implement your own
# authenticated redirection controller.
class ActiveStorage::RepresentationsController < ActiveStorage::BaseController
include ActiveStorage::SetBlob
def show
expires_in ActiveStorage.service_urls_expire_in
redirect_to @blob.representation(params[:variation_key]).processed.service_url(disposition: params[:disposition]), allow_other_host: true
end
end
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