2019-06-02 09:50:16 +00:00
|
|
|
# Pleroma: A lightweight social networking server
|
2021-01-13 06:49:20 +00:00
|
|
|
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
|
2019-06-02 09:50:16 +00:00
|
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
|
|
|
|
defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicy do
|
|
|
|
alias Pleroma.Config
|
|
|
|
alias Pleroma.Web.ActivityPub.MRF
|
|
|
|
|
|
|
|
require Logger
|
|
|
|
|
2021-06-07 19:22:08 +00:00
|
|
|
@behaviour Pleroma.Web.ActivityPub.MRF.Policy
|
2019-06-02 09:50:16 +00:00
|
|
|
|
|
|
|
defp lookup_subchain(actor) do
|
|
|
|
with matches <- Config.get([:mrf_subchain, :match_actor]),
|
|
|
|
{match, subchain} <- Enum.find(matches, fn {k, _v} -> String.match?(actor, k) end) do
|
|
|
|
{:ok, match, subchain}
|
|
|
|
else
|
|
|
|
_e -> {:error, :notfound}
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
@impl true
|
|
|
|
def filter(%{"actor" => actor} = message) do
|
|
|
|
with {:ok, match, subchain} <- lookup_subchain(actor) do
|
2019-06-02 10:29:15 +00:00
|
|
|
Logger.debug(
|
2021-10-06 06:08:21 +00:00
|
|
|
"[SubchainPolicy] Matched #{actor} against #{inspect(match)} with subchain #{inspect(subchain)}"
|
2019-06-02 10:29:15 +00:00
|
|
|
)
|
2019-06-02 09:50:16 +00:00
|
|
|
|
2020-09-12 10:05:36 +00:00
|
|
|
MRF.filter(subchain, message)
|
2019-06-02 09:50:16 +00:00
|
|
|
else
|
|
|
|
_e -> {:ok, message}
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
@impl true
|
|
|
|
def filter(message), do: {:ok, message}
|
2019-08-13 21:52:54 +00:00
|
|
|
|
|
|
|
@impl true
|
2019-08-13 22:36:24 +00:00
|
|
|
def describe, do: {:ok, %{}}
|
2020-11-10 16:18:53 +00:00
|
|
|
|
|
|
|
@impl true
|
|
|
|
def config_description do
|
|
|
|
%{
|
|
|
|
key: :mrf_subchain,
|
|
|
|
related_policy: "Pleroma.Web.ActivityPub.MRF.SubchainPolicy",
|
|
|
|
label: "MRF Subchain",
|
|
|
|
description:
|
|
|
|
"This policy processes messages through an alternate pipeline when a given message matches certain criteria." <>
|
|
|
|
" All criteria are configured as a map of regular expressions to lists of policy modules.",
|
|
|
|
children: [
|
|
|
|
%{
|
|
|
|
key: :match_actor,
|
|
|
|
type: {:map, {:list, :string}},
|
|
|
|
description: "Matches a series of regular expressions against the actor field",
|
|
|
|
suggestions: [
|
|
|
|
%{
|
|
|
|
~r/https:\/\/example.com/s => [Pleroma.Web.ActivityPub.MRF.DropPolicy]
|
|
|
|
}
|
|
|
|
]
|
|
|
|
}
|
|
|
|
]
|
|
|
|
}
|
|
|
|
end
|
2019-06-02 09:50:16 +00:00
|
|
|
end
|