forked from AkkomaGang/akkoma
80 lines
2.3 KiB
Elixir
80 lines
2.3 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.MRF.FollowBotPolicy do
|
|
@behaviour Pleroma.Web.ActivityPub.MRF
|
|
alias Pleroma.Activity.Queries
|
|
alias Pleroma.Config
|
|
alias Pleroma.Repo
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.CommonAPI
|
|
require Logger
|
|
|
|
import Ecto.Query
|
|
|
|
@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
|
|
Task.start(fn ->
|
|
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 ->
|
|
since_thirty_days_ago = NaiveDateTime.utc_now() |> NaiveDateTime.add(-(86_400 * 30))
|
|
|
|
with false <- User.following?(follower, user),
|
|
false <- User.locked?(user),
|
|
false <- (user.bio || "") |> String.downcase() |> String.contains?("nobot"),
|
|
false <- outstanding_follow_request_since?(follower, user, since_thirty_days_ago) do
|
|
Logger.info(
|
|
"#{__MODULE__}: Follow request from #{follower.nickname} to #{user.nickname}"
|
|
)
|
|
|
|
CommonAPI.follow(follower, user)
|
|
end
|
|
end)
|
|
end)
|
|
|
|
{:ok, message}
|
|
end
|
|
|
|
defp outstanding_follow_request_since?(
|
|
%User{ap_id: follower_id},
|
|
%User{ap_id: followee_id},
|
|
since_datetime
|
|
) do
|
|
followee_id
|
|
|> Queries.by_object_id()
|
|
|> Queries.by_type("Follow")
|
|
|> where([a], a.inserted_at > ^since_datetime)
|
|
|> where([a], fragment("? ->> 'state' != 'accept'", a.data))
|
|
|> where([a], a.actor == ^follower_id)
|
|
|> Repo.exists?()
|
|
end
|
|
|
|
@impl true
|
|
def describe do
|
|
{:ok, %{}}
|
|
end
|
|
end
|