dedupe.ex
No OneTemporary
Actions

Size

657 B

Referenced Files

None

Subscribers

None

dedupe.ex
View Options

	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Upload.Filter.Dedupe do
	@behaviour Pleroma.Upload.Filter
	alias Pleroma.Upload

	def filter(%Upload{name: name, tempfile: tempfile} = upload) do
	extension =
	name
	\|> String.split(".")
	\|> List.last()

	shasum =
	:crypto.hash(:sha256, File.read!(tempfile))
	\|> Base.encode16(case: :lower)

	filename = shasum <> "." <> extension
	{:ok, :filtered, %Upload{upload \| id: shasum, path: filename}}
	end

	def filter(_), do: {:ok, :noop}
	end