akkoma/lib/pleroma/web/plugs/set_format_plug.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Plugs.SetFormatPlug do
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import Plug.Conn, only: [assign: 3, fetch_query_params: 1]
def init(_), do: nil
def call(conn, _) do
case get_format(conn) do
nil -> conn
format -> assign(conn, :format, format)
end
end
defp get_format(conn) do
conn.private[:phoenix_format] ||
case fetch_query_params(conn) do
%{query_params: %{"_format" => format}} -> format
_ -> nil
end
end
end