2018-12-23 20:04:54 +00:00
|
|
|
# Pleroma: A lightweight social networking server
|
2020-03-03 22:44:49 +00:00
|
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
2018-12-23 20:04:54 +00:00
|
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
|
2018-11-29 20:11:45 +00:00
|
|
|
defmodule Pleroma.Upload.Filter.Dedupe do
|
|
|
|
@behaviour Pleroma.Upload.Filter
|
2018-12-10 06:39:57 +00:00
|
|
|
alias Pleroma.Upload
|
2018-11-29 20:11:45 +00:00
|
|
|
|
2019-07-16 21:35:43 +00:00
|
|
|
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)
|
|
|
|
|
2018-11-29 20:11:45 +00:00
|
|
|
filename = shasum <> "." <> extension
|
2018-12-10 06:39:57 +00:00
|
|
|
{:ok, %Upload{upload | id: shasum, path: filename}}
|
2018-11-29 20:11:45 +00:00
|
|
|
end
|
2019-07-16 21:35:43 +00:00
|
|
|
|
|
|
|
def filter(_), do: :ok
|
2018-11-29 20:11:45 +00:00
|
|
|
end
|