dedupe.ex (657B)
- # 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