60 lines
1.4 KiB
Elixir
60 lines
1.4 KiB
Elixir
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2024 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.MRF.ForceMention do
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require Pleroma.Constants
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alias Pleroma.Config
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alias Pleroma.Object
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alias Pleroma.User
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@behaviour Pleroma.Web.ActivityPub.MRF.Policy
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defp get_author(url) do
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with %Object{data: %{"actor" => actor}} <- Object.normalize(url, fetch: false),
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%User{ap_id: ap_id, nickname: nickname} <- User.get_cached_by_ap_id(actor) do
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%{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
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else
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_ -> nil
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end
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end
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defp prepend_author(tags, _, false), do: tags
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defp prepend_author(tags, nil, _), do: tags
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defp prepend_author(tags, url, _) do
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actor = get_author(url)
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if not is_nil(actor) do
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[actor | tags]
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else
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tags
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end
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end
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@impl true
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def filter(%{"type" => "Create", "object" => %{"tag" => tag} = object} = activity) do
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tag =
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tag
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|> prepend_author(
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object["inReplyTo"],
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Config.get([:mrf_force_mention, :mention_parent, true])
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)
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|> prepend_author(
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object["quoteUrl"],
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Config.get([:mrf_force_mention, :mention_quoted, true])
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)
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|> Enum.uniq()
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{:ok, put_in(activity["object"]["tag"], tag)}
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end
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@impl true
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def filter(object), do: {:ok, object}
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@impl true
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def describe, do: {:ok, %{}}
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end
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