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