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diff --git a/lib/pleroma/upload/filter/exiftool/strip_location.ex b/lib/pleroma/upload/filter/exiftool/strip_location.ex
index f2bcc4622..8becee712 100644
--- a/lib/pleroma/upload/filter/exiftool/strip_location.ex
+++ b/lib/pleroma/upload/filter/exiftool/strip_location.ex
@@ -1,32 +1,30 @@
# 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.Exiftool.StripLocation do
@moduledoc """
Strips GPS related EXIF tags and overwrites the file in place.
Also strips or replaces filesystem metadata e.g., timestamps.
"""
@behaviour Pleroma.Upload.Filter
- @spec filter(Pleroma.Upload.t()) :: {:ok, any()} | {:error, String.t()}
-
# Formats not compatible with exiftool at this time
def filter(%Pleroma.Upload{content_type: "image/heic"}), do: {:ok, :noop}
def filter(%Pleroma.Upload{content_type: "image/webp"}), do: {:ok, :noop}
def filter(%Pleroma.Upload{content_type: "image/svg" <> _}), do: {:ok, :noop}
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
try do
case System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true) do
{_response, 0} -> {:ok, :filtered}
{error, 1} -> {:error, error}
end
rescue
e in ErlangError ->
{:error, "#{__MODULE__}: #{inspect(e)}"}
end
end
def filter(_), do: {:ok, :noop}
end
diff --git a/lib/pleroma/upload/filter/mogrifun.ex b/lib/pleroma/upload/filter/mogrifun.ex
index a0f247b70..9716580a8 100644
--- a/lib/pleroma/upload/filter/mogrifun.ex
+++ b/lib/pleroma/upload/filter/mogrifun.ex
@@ -1,53 +1,52 @@
# 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.Mogrifun do
@behaviour Pleroma.Upload.Filter
alias Pleroma.Upload.Filter
@moduledoc """
This module is just an example of an Upload filter. It's not supposed to be used in production.
"""
@filters [
{"implode", "1"},
{"-raise", "20"},
{"+raise", "20"},
[{"-interpolate", "nearest"}, {"-virtual-pixel", "mirror"}, {"-spread", "5"}],
"+polaroid",
{"-statistic", "Mode 10"},
{"-emboss", "0x1.1"},
{"-emboss", "0x2"},
{"-colorspace", "Gray"},
"-negate",
[{"-channel", "green"}, "-negate"],
[{"-channel", "red"}, "-negate"],
[{"-channel", "blue"}, "-negate"],
{"+level-colors", "green,gold"},
{"+level-colors", ",DodgerBlue"},
{"+level-colors", ",Gold"},
{"+level-colors", ",Lime"},
{"+level-colors", ",Red"},
{"+level-colors", ",DarkGreen"},
{"+level-colors", "firebrick,yellow"},
{"+level-colors", "'rgb(102,75,25)',lemonchiffon"},
[{"fill", "red"}, {"tint", "40"}],
[{"fill", "green"}, {"tint", "40"}],
[{"fill", "blue"}, {"tint", "40"}],
[{"fill", "yellow"}, {"tint", "40"}]
]
- @spec filter(Pleroma.Upload.t()) :: {:ok, atom()} | {:error, String.t()}
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
try do
Filter.Mogrify.do_filter(file, [Enum.random(@filters)])
{:ok, :filtered}
rescue
e in ErlangError ->
{:error, "#{__MODULE__}: #{inspect(e)}"}
end
end
def filter(_), do: {:ok, :noop}
end
diff --git a/lib/pleroma/upload/filter/mogrify.ex b/lib/pleroma/upload/filter/mogrify.ex
index 06efbf321..d1e166022 100644
--- a/lib/pleroma/upload/filter/mogrify.ex
+++ b/lib/pleroma/upload/filter/mogrify.ex
@@ -1,48 +1,47 @@
# 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.Mogrify do
@behaviour Pleroma.Upload.Filter
@type conversion :: action :: String.t() | {action :: String.t(), opts :: String.t()}
@type conversions :: conversion() | [conversion()]
- @spec filter(Pleroma.Upload.t()) :: {:ok, :atom} | {:error, String.t()}
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
try do
do_filter(file, Pleroma.Config.get!([__MODULE__, :args]))
{:ok, :filtered}
rescue
e in ErlangError ->
{:error, "#{__MODULE__}: #{inspect(e)}"}
end
end
def filter(_), do: {:ok, :noop}
def do_filter(file, filters) do
file
|> Mogrify.open()
|> mogrify_filter(filters)
|> Mogrify.save(in_place: true)
end
defp mogrify_filter(mogrify, nil), do: mogrify
defp mogrify_filter(mogrify, [filter | rest]) do
mogrify
|> mogrify_filter(filter)
|> mogrify_filter(rest)
end
defp mogrify_filter(mogrify, []), do: mogrify
defp mogrify_filter(mogrify, {action, options}) do
Mogrify.custom(mogrify, action, options)
end
defp mogrify_filter(mogrify, action) when is_binary(action) do
Mogrify.custom(mogrify, action)
end
end

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