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akkoma/lib/pleroma/config.ex
2020-12-21 16:48:35 +01:00

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2.6 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config do
@behaviour Pleroma.Config.Getting
defmodule Error do
defexception [:message]
end
@impl true
def get(key), do: get(key, nil)
@impl true
def get([key], default), do: get(key, default)
@impl true
def get([_ | _] = path, default) do
case fetch(path) do
{:ok, value} -> value
:error -> default
end
end
@impl true
def get(key, default) do
Application.get_env(:pleroma, key, default)
end
def get!(key) do
value = get(key, nil)
if value == nil do
raise(Error, message: "Missing configuration value: #{inspect(key)}")
else
value
end
end
def fetch(key) when is_atom(key), do: fetch([key])
def fetch([root_key | keys]) do
Enum.reduce_while(keys, Application.fetch_env(:pleroma, root_key), fn
key, {:ok, config} when is_map(config) or is_list(config) ->
case Access.fetch(config, key) do
:error ->
{:halt, :error}
value ->
{:cont, value}
end
_key, _config ->
{:halt, :error}
end)
end
def put([key], value), do: put(key, value)
def put([parent_key | keys], value) do
parent =
Application.get_env(:pleroma, parent_key, [])
|> put_in(keys, value)
Application.put_env(:pleroma, parent_key, parent)
end
def put(key, value) do
Application.put_env(:pleroma, key, value)
end
def delete([key]), do: delete(key)
def delete([parent_key | keys] = path) do
with {:ok, _} <- fetch(path) do
{_, parent} =
parent_key
|> get()
|> get_and_update_in(keys, fn _ -> :pop end)
Application.put_env(:pleroma, parent_key, parent)
end
end
def delete(key) do
Application.delete_env(:pleroma, key)
end
def restrict_unauthenticated_access?(resource, kind) do
setting = get([:restrict_unauthenticated, resource, kind])
if setting in [nil, :if_instance_is_private] do
!get!([:instance, :public])
else
setting
end
end
def oauth_consumer_strategies, do: get([:auth, :oauth_consumer_strategies], [])
def oauth_consumer_enabled?, do: oauth_consumer_strategies() != []
def enforce_oauth_admin_scope_usage?, do: !!get([:auth, :enforce_oauth_admin_scope_usage])
def oauth_admin_scopes(scopes) when is_list(scopes) do
Enum.flat_map(
scopes,
fn scope ->
["admin:#{scope}"] ++
if enforce_oauth_admin_scope_usage?(), do: [], else: [scope]
end
)
end
end