# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do
alias Pleroma.User
@behaviour Pleroma.Web.ActivityPub.MRF
+ @moduledoc """
+ Apply policies based on user tags
+
+ This policy applies policies on a user activities depending on their tags
+ on your instance.
+
+ - `mrf_tag:media-force-nsfw`: Mark as sensitive on presence of attachments
+ - `mrf_tag:media-strip`: Remove attachments
+ - `mrf_tag:force-unlisted`: Mark as unlisted (removes from the federated timeline)
+ - `mrf_tag:sandbox`: Remove from public (local and federated) timelines
+ - `mrf_tag:disable-remote-subscription`: Reject non-local follow requests
+ - `mrf_tag:disable-any-subscription`: Reject any follow requests
+ """
+
+ require Pleroma.Constants
defp get_tags(%User{tags: tags}) when is_list(tags), do: tags
defp get_tags(_), do: []
defp process_tag(
"mrf_tag:media-force-nsfw",
- %{"type" => "Create", "object" => %{"attachment" => child_attachment} = object} = message
+ %{
+ "type" => "Create",
+ "object" => %{"attachment" => child_attachment} = object
+ } = message
)
when length(child_attachment) > 0 do
tags = (object["tag"] || []) ++ ["nsfw"]
object =
object
- |> Map.put("tags", tags)
+ |> Map.put("tag", tags)
|> Map.put("sensitive", true)
message = Map.put(message, "object", object)
defp process_tag(
"mrf_tag:media-strip",
- %{"type" => "Create", "object" => %{"attachment" => child_attachment} = object} = message
+ %{
+ "type" => "Create",
+ "object" => %{"attachment" => child_attachment} = object
+ } = message
)
when length(child_attachment) > 0 do
object = Map.delete(object, "attachment")
defp process_tag(
"mrf_tag:force-unlisted",
- %{"type" => "Create", "to" => to, "cc" => cc, "actor" => actor} = message
+ %{
+ "type" => "Create",
+ "to" => to,
+ "cc" => cc,
+ "actor" => actor,
+ "object" => object
+ } = message
) do
user = User.get_cached_by_ap_id(actor)
- if Enum.member?(to, "https://www.w3.org/ns/activitystreams#Public") do
- to =
- List.delete(to, "https://www.w3.org/ns/activitystreams#Public") ++ [user.follower_address]
+ if Enum.member?(to, Pleroma.Constants.as_public()) do
+ to = List.delete(to, Pleroma.Constants.as_public()) ++ [user.follower_address]
+ cc = List.delete(cc, user.follower_address) ++ [Pleroma.Constants.as_public()]
- cc =
- List.delete(cc, user.follower_address) ++ ["https://www.w3.org/ns/activitystreams#Public"]
+ object =
+ object
+ |> Map.put("to", to)
+ |> Map.put("cc", cc)
message =
message
|> Map.put("to", to)
|> Map.put("cc", cc)
+ |> Map.put("object", object)
{:ok, message}
else
defp process_tag(
"mrf_tag:sandbox",
- %{"type" => "Create", "to" => to, "cc" => cc, "actor" => actor} = message
+ %{
+ "type" => "Create",
+ "to" => to,
+ "cc" => cc,
+ "actor" => actor,
+ "object" => object
+ } = message
) do
user = User.get_cached_by_ap_id(actor)
- if Enum.member?(to, "https://www.w3.org/ns/activitystreams#Public") or
- Enum.member?(cc, "https://www.w3.org/ns/activitystreams#Public") do
- to =
- List.delete(to, "https://www.w3.org/ns/activitystreams#Public") ++ [user.follower_address]
+ if Enum.member?(to, Pleroma.Constants.as_public()) or
+ Enum.member?(cc, Pleroma.Constants.as_public()) do
+ to = List.delete(to, Pleroma.Constants.as_public()) ++ [user.follower_address]
+ cc = List.delete(cc, Pleroma.Constants.as_public())
- cc = List.delete(cc, "https://www.w3.org/ns/activitystreams#Public")
+ object =
+ object
+ |> Map.put("to", to)
+ |> Map.put("cc", cc)
message =
message
|> Map.put("to", to)
|> Map.put("cc", cc)
+ |> Map.put("object", object)
{:ok, message}
else
end
end
- defp process_tag("mrf_tag:disable-any-subscription", %{"type" => "Follow"}), do: {:reject, nil}
+ defp process_tag("mrf_tag:disable-any-subscription", %{"type" => "Follow"}),
+ do: {:reject, nil}
defp process_tag(_, message), do: {:ok, message}
@impl true
def filter(message), do: {:ok, message}
+
+ @impl true
+ def describe, do: {:ok, %{}}
end