git.squeep.com Git - akkoma/blob - lib/pleroma/web/admin_api/controllers/config_controller.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.AdminAPI.ConfigController do
   6   use Pleroma.Web, :controller
   7
   8   alias Pleroma.Config
   9   alias Pleroma.ConfigDB
  10   alias Pleroma.Plugs.OAuthScopesPlug
  11
  12   plug(Pleroma.Web.ApiSpec.CastAndValidate)
  13   plug(OAuthScopesPlug, %{scopes: ["write"], admin: true} when action == :update)
  14
  15   plug(
  16     OAuthScopesPlug,
  17     %{scopes: ["read"], admin: true}
  18     when action in [:show, :descriptions]
  19   )
  20
  21   action_fallback(Pleroma.Web.AdminAPI.FallbackController)
  22
  23   defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.Admin.ConfigOperation
  24
  25   def descriptions(conn, _params) do
  26     descriptions = Enum.filter(Pleroma.Docs.JSON.compiled_descriptions(), &whitelisted_config?/1)
  27
  28     json(conn, descriptions)
  29   end
  30
  31   def show(conn, %{only_db: true}) do
  32     with :ok <- configurable_from_database() do
  33       configs = Pleroma.Repo.all(ConfigDB)
  34
  35       render(conn, "index.json", %{
  36         configs: configs,
  37         need_reboot: Restarter.Pleroma.need_reboot?()
  38       })
  39     end
  40   end
  41
  42   def show(conn, _params) do
  43     with :ok <- configurable_from_database() do
  44       configs = ConfigDB.get_all_as_keyword()
  45
  46       merged =
  47         Config.Holder.default_config()
  48         |> ConfigDB.merge(configs)
  49         |> Enum.map(fn {group, values} ->
  50           Enum.map(values, fn {key, value} ->
  51             db =
  52               if configs[group][key] do
  53                 ConfigDB.get_db_keys(configs[group][key], key)
  54               end
  55
  56             db_value = configs[group][key]
  57
  58             merged_value =
  59               if not is_nil(db_value) and Keyword.keyword?(db_value) and
  60                    ConfigDB.sub_key_full_update?(group, key, Keyword.keys(db_value)) do
  61                 ConfigDB.merge_group(group, key, value, db_value)
  62               else
  63                 value
  64               end
  65
  66             %ConfigDB{
  67               group: group,
  68               key: key,
  69               value: merged_value
  70             }
  71             |> Pleroma.Maps.put_if_present(:db, db)
  72           end)
  73         end)
  74         |> List.flatten()
  75
  76       render(conn, "index.json", %{
  77         configs: merged,
  78         need_reboot: Restarter.Pleroma.need_reboot?()
  79       })
  80     end
  81   end
  82
  83   def update(%{body_params: %{configs: configs}} = conn, _) do
  84     with :ok <- configurable_from_database() do
  85       results =
  86         configs
  87         |> Enum.filter(&whitelisted_config?/1)
  88         |> Enum.map(fn
  89           %{group: group, key: key, delete: true} = params ->
  90             ConfigDB.delete(%{group: group, key: key, subkeys: params[:subkeys]})
  91
  92           %{group: group, key: key, value: value} ->
  93             ConfigDB.update_or_create(%{group: group, key: key, value: value})
  94         end)
  95         |> Enum.reject(fn {result, _} -> result == :error end)
  96
  97       {deleted, updated} =
  98         results
  99         |> Enum.map(fn {:ok, %{key: key, value: value} = config} ->
 100           Map.put(config, :db, ConfigDB.get_db_keys(value, key))
 101         end)
 102         |> Enum.split_with(&(Ecto.get_meta(&1, :state) == :deleted))
 103
 104       Config.TransferTask.load_and_update_env(deleted, false)
 105
 106       if not Restarter.Pleroma.need_reboot?() do
 107         changed_reboot_settings? =
 108           (updated ++ deleted)
 109           |> Enum.any?(&Config.TransferTask.pleroma_need_restart?(&1.group, &1.key, &1.value))
 110
 111         if changed_reboot_settings?, do: Restarter.Pleroma.need_reboot()
 112       end
 113
 114       render(conn, "index.json", %{
 115         configs: updated,
 116         need_reboot: Restarter.Pleroma.need_reboot?()
 117       })
 118     end
 119   end
 120
 121   defp configurable_from_database do
 122     if Config.get(:configurable_from_database) do
 123       :ok
 124     else
 125       {:error, "To use this endpoint you need to enable configuration from database."}
 126     end
 127   end
 128
 129   defp whitelisted_config?(group, key) do
 130     if whitelisted_configs = Config.get(:database_config_whitelist) do
 131       Enum.any?(whitelisted_configs, fn
 132         {whitelisted_group} ->
 133           group == inspect(whitelisted_group)
 134
 135         {whitelisted_group, whitelisted_key} ->
 136           group == inspect(whitelisted_group) && key == inspect(whitelisted_key)
 137       end)
 138     else
 139       true
 140     end
 141   end
 142
 143   defp whitelisted_config?(%{group: group, key: key}) do
 144     whitelisted_config?(group, key)
 145   end
 146
 147   defp whitelisted_config?(%{group: group} = config) do
 148     whitelisted_config?(group, config[:key])
 149   end
 150 end