63 lines
1.8 KiB
Elixir
63 lines
1.8 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2023 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.FollowBotPolicy do
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@behaviour Pleroma.Web.ActivityPub.MRF.Policy
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alias Pleroma.Config
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alias Pleroma.User
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alias Pleroma.Web.CommonAPI
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require Logger
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@impl true
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def filter(message) do
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with follower_nickname <- Config.get([:mrf_follow_bot, :follower_nickname]),
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%User{actor_type: "Service"} = follower <-
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User.get_cached_by_nickname(follower_nickname),
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%{"type" => "Create", "object" => %{"type" => "Note"}} <- message do
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try_follow(follower, message)
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else
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nil ->
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Logger.warn(
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"#{__MODULE__} skipped because of missing `:mrf_follow_bot, :follower_nickname` configuration, the :follower_nickname
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account does not exist, or the account is not correctly configured as a bot."
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)
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{:ok, message}
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_ ->
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{:ok, message}
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end
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end
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defp try_follow(follower, message) do
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to = Map.get(message, "to", [])
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cc = Map.get(message, "cc", [])
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actor = [message["actor"]]
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Enum.concat([to, cc, actor])
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|> List.flatten()
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|> Enum.uniq()
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|> User.get_all_by_ap_id()
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|> Enum.each(fn user ->
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with false <- user.local,
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false <- User.following?(follower, user),
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false <- User.locked?(user),
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false <- (user.bio || "") |> String.downcase() |> String.contains?("nobot") do
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Logger.debug(
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"#{__MODULE__}: Follow request from #{follower.nickname} to #{user.nickname}"
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)
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CommonAPI.follow(follower, user)
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end
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end)
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{:ok, message}
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end
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@impl true
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def describe do
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{:ok, %{}}
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end
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end
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