Add Pleroma.Upload.Filter.HeifToJpeg based on vips
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@ -150,6 +150,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
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- Added move account API
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- Enable remote users to interact with posts
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- Possibility to discover users like `user@example.org`, while Pleroma is working on `pleroma.example.org`. Additional configuration required.
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- Added Pleroma.Upload.Filter.HeifToJpeg to automate converting .heic files from Apple devices to JPEGs which can be viewed in browsers.
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### Fixed
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- Subscription(Bell) Notifications: Don't create from Pipeline Ingested replies
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@ -0,0 +1,36 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Upload.Filter.HeifToJpeg do
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@behaviour Pleroma.Upload.Filter
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alias Pleroma.Upload
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alias Vix.Vips.Operation
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@type conversion :: action :: String.t() | {action :: String.t(), opts :: String.t()}
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@type conversions :: conversion() | [conversion()]
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@spec filter(Pleroma.Upload.t()) :: {:ok, :atom} | {:error, String.t()}
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def filter(%Pleroma.Upload{content_type: "image/avif"} = upload), do: apply_filter(upload)
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def filter(%Pleroma.Upload{content_type: "image/heic"} = upload), do: apply_filter(upload)
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def filter(%Pleroma.Upload{content_type: "image/heif"} = upload), do: apply_filter(upload)
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def filter(_), do: {:ok, :noop}
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defp apply_filter(%Pleroma.Upload{name: name, path: path, tempfile: tempfile} = upload) do
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ext = String.split(path, ".") |> List.last()
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try do
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name = name |> String.replace_suffix(ext, "jpg")
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path = path |> String.replace_suffix(ext, "jpg")
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{:ok, {vixdata, _vixflags}} = Operation.heifload(tempfile)
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{:ok, jpegdata} = Operation.jpegsave_buffer(vixdata)
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:ok = File.write(tempfile, jpegdata)
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{:ok, :filtered, %Upload{upload | name: name, path: path, content_type: "image/jpeg"}}
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rescue
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e in ErlangError ->
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{:error, "#{__MODULE__}: #{inspect(e)}"}
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end
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end
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end
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@ -0,0 +1,38 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Upload.Filter.HeifToJpegTest do
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use Pleroma.DataCase, async: true
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alias Pleroma.Upload.Filter
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test "apply HeicToJpeg filter" do
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File.cp!(
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"test/fixtures/image.heic",
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"test/fixtures/heictmp"
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)
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upload = %Pleroma.Upload{
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name: "image.heic",
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content_type: "image/heic",
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path: Path.absname("test/fixtures/image.heic"),
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tempfile: Path.absname("test/fixtures/heictmp")
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}
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{:ok, :filtered, result} = Filter.HeifToJpeg.filter(upload)
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assert result.content_type == "image/jpeg"
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assert result.name == "image.jpg"
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assert String.ends_with?(result.path, "jpg")
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assert {:ok,
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%Majic.Result{
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content:
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"JPEG image data, JFIF standard 1.02, resolution (DPI), density 96x96, segment length 16, progressive, precision 8, 1024x768, components 3",
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encoding: "binary",
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mime_type: "image/jpeg"
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}} == Majic.perform(result.path, pool: Pleroma.MajicPool)
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on_exit(fn -> File.rm!("test/fixtures/heictmp") end)
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end
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end
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