16 lines
564 B
Elixir
16 lines
564 B
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Upload.Filter.Dedupe do
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@behaviour Pleroma.Upload.Filter
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alias Pleroma.Upload
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def filter(upload = %Upload{name: name}) do
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extension = String.split(name, ".") |> List.last()
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shasum = :crypto.hash(:sha256, File.read!(upload.tempfile)) |> Base.encode16(case: :lower)
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filename = shasum <> "." <> extension
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{:ok, %Upload{upload | id: shasum, path: filename}}
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end
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end
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