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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.AdminAPI.ConfigController do
use Pleroma.Web, :controller
alias Pleroma.Config
alias Pleroma.ConfigDB
alias Pleroma.Web.Plugs.OAuthScopesPlug
plug(Pleroma.Web.ApiSpec.CastAndValidate)
plug(OAuthScopesPlug, %{scopes: ["admin:write"]} when action == :update)
plug(
OAuthScopesPlug,
%{scopes: ["admin:read"]}
when action in [:show, :descriptions]
)
action_fallback(Pleroma.Web.AdminAPI.FallbackController)
defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.Admin.ConfigOperation
defp translate_descriptions(descriptions, path \\ []) do
Enum.map(descriptions, fn desc -> translate_item(desc, path) end)
end
defp translate_string(str, path, type) do
Gettext.dpgettext(
Pleroma.Web.Gettext,
"config_descriptions",
Pleroma.Docs.Translator.Compiler.msgctxt_for(path, type),
str
)
end
defp maybe_put_translated(item, key, path) do
if item[key] do
Map.put(
item,
key,
translate_string(
item[key],
path ++ [Pleroma.Docs.Translator.Compiler.key_for(item)],
to_string(key)
)
)
else
item
end
end
defp translate_item(item, path) do
item
|> maybe_put_translated(:label, path)
|> maybe_put_translated(:description, path)
|> translate_children(path)
end
defp translate_children(%{children: children} = item, path) when is_list(children) do
item
|> Map.put(
:children,
translate_descriptions(children, path ++ [Pleroma.Docs.Translator.Compiler.key_for(item)])
)
end
defp translate_children(item, _path) do
item
end
def descriptions(conn, _params) do
descriptions = Enum.filter(Pleroma.Docs.JSON.compiled_descriptions(), &whitelisted_config?/1)
json(conn, translate_descriptions(descriptions))
end
def show(conn, %{only_db: true}) do
with :ok <- configurable_from_database() do
configs = Pleroma.Repo.all(ConfigDB)
render(conn, "index.json", %{
configs: configs,
need_reboot: Restarter.Pleroma.need_reboot?()
})
end
end
def show(conn, _params) do
with :ok <- configurable_from_database() do
configs = ConfigDB.get_all_as_keyword()
merged =
Config.Holder.default_config()
|> ConfigDB.merge(configs)
|> Enum.map(fn {group, values} ->
Enum.map(values, fn {key, value} ->
db =
if configs[group][key] do
ConfigDB.get_db_keys(configs[group][key], key)
end
db_value = configs[group][key]
merged_value =
if not is_nil(db_value) and Keyword.keyword?(db_value) and
ConfigDB.sub_key_full_update?(group, key, Keyword.keys(db_value)) do
ConfigDB.merge_group(group, key, value, db_value)
else
value
end
%ConfigDB{
group: group,
key: key,
value: merged_value
}
|> Pleroma.Maps.put_if_present(:db, db)
end)
end)
|> List.flatten()
render(conn, "index.json", %{
configs: merged,
need_reboot: Restarter.Pleroma.need_reboot?()
})
end
end
def update(%{body_params: %{configs: configs}} = conn, _) do
with :ok <- configurable_from_database() do
results =
configs
|> Enum.filter(&whitelisted_config?/1)
|> Enum.map(fn
%{group: group, key: key, delete: true} = params ->
ConfigDB.delete(%{group: group, key: key, subkeys: params[:subkeys]})
%{group: group, key: key, value: value} ->
ConfigDB.update_or_create(%{group: group, key: key, value: value})
end)
|> Enum.reject(fn {result, _} -> result == :error end)
{deleted, updated} =
results
|> Enum.map(fn {:ok, %{key: key, value: value} = config} ->
Map.put(config, :db, ConfigDB.get_db_keys(value, key))
end)
|> Enum.split_with(&(Ecto.get_meta(&1, :state) == :deleted))
Config.TransferTask.load_and_update_env(deleted, false)
if not Restarter.Pleroma.need_reboot?() do
changed_reboot_settings? =
(updated ++ deleted)
|> Enum.any?(&Config.TransferTask.pleroma_need_restart?(&1.group, &1.key, &1.value))
if changed_reboot_settings?, do: Restarter.Pleroma.need_reboot()
end
render(conn, "index.json", %{
configs: updated,
need_reboot: Restarter.Pleroma.need_reboot?()
})
end
end
defp configurable_from_database do
if Config.get(:configurable_from_database) do
:ok
else
{:error, "You must enable configurable_from_database in your config file."}
end
end
defp whitelisted_config?(group, key) do
if whitelisted_configs = Config.get(:database_config_whitelist) do
Enum.any?(whitelisted_configs, fn
{whitelisted_group} ->
group == inspect(whitelisted_group)
{whitelisted_group, whitelisted_key} ->
group == inspect(whitelisted_group) && key == inspect(whitelisted_key)
end)
else
true
end
end
defp whitelisted_config?(%{group: group, key: key}) do
whitelisted_config?(group, key)
end
defp whitelisted_config?(%{group: group} = config) do
whitelisted_config?(group, config[:key])
end
end
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