akkoma/lib/pleroma/config/loader.ex

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Elixir
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Config.Loader do
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@reject_keys [
Pleroma.Repo,
Pleroma.Web.Endpoint,
:env,
:configurable_from_database,
:database,
:swarm
]
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@reject_groups [
:postgrex,
:tesla
]
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if Code.ensure_loaded?(Config.Reader) do
@reader Config.Reader
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def read(path), do: @reader.read!(path)
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else
# support for Elixir less than 1.9
@reader Mix.Config
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def read(path) do
path
|> @reader.eval!()
|> elem(0)
end
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end
@spec read(Path.t()) :: keyword()
@spec merge(keyword(), keyword()) :: keyword()
def merge(c1, c2), do: @reader.merge(c1, c2)
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@spec default_config() :: keyword()
def default_config do
"config/config.exs"
|> read()
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|> filter()
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end
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defp filter(configs) do
configs
|> Keyword.keys()
|> Enum.reduce([], &Keyword.put(&2, &1, filter_group(&1, configs)))
end
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@spec filter_group(atom(), keyword()) :: keyword()
def filter_group(group, configs) do
Enum.reject(configs[group], fn {key, _v} ->
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key in @reject_keys or group in @reject_groups or
(group == :phoenix and key == :serve_endpoints)
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end)
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end
end