debianize-mobilizon/lib/service/activity_pub/visibility.ex

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# Portions of this file are derived from Pleroma:
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social>
# SPDX-License-Identifier: AGPL-3.0-only
# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/pleroma/web/activity_pub/visibility.ex
defmodule Mobilizon.Service.ActivityPub.Visibility do
@moduledoc """
Utility functions related to content visibility
"""
alias Mobilizon.Activity
@public "https://www.w3.org/ns/activitystreams#Public"
@spec is_public?(Activity.t() | map()) :: boolean()
def is_public?(%{data: %{"type" => "Tombstone"}}), do: false
def is_public?(%{data: data}), do: is_public?(data)
def is_public?(%Activity{data: data}), do: is_public?(data)
def is_public?(data) when is_map(data), do: @public in (data["to"] ++ (data["cc"] || []))
def is_public?(err), do: raise(ArgumentError, message: "Invalid argument #{inspect(err)}")
end