2019-07-30 14:40:59 +00:00
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# Portions of this file are derived from Pleroma:
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social>
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# SPDX-License-Identifier: AGPL-3.0-only
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# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/pleroma/web/activity_pub/visibility.ex
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defmodule Mobilizon.Service.ActivityPub.Visibility do
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@moduledoc """
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Utility functions related to content visibility
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"""
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2019-09-12 23:35:03 +00:00
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2019-09-22 07:24:18 +00:00
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alias Mobilizon.Service.ActivityPub.Activity
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2019-07-30 14:40:59 +00:00
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@public "https://www.w3.org/ns/activitystreams#Public"
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@spec is_public?(Activity.t() | map()) :: boolean()
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def is_public?(%{data: %{"type" => "Tombstone"}}), do: false
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def is_public?(%{data: data}), do: is_public?(data)
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def is_public?(%Activity{data: data}), do: is_public?(data)
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def is_public?(data) when is_map(data), do: @public in (data["to"] ++ (data["cc"] || []))
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def is_public?(err), do: raise(ArgumentError, message: "Invalid argument #{inspect(err)}")
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end
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