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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Mix.Tasks.Pleroma.Config do
   6   use Mix.Task
   7   import Mix.Pleroma
   8   alias Pleroma.Repo
   9   alias Pleroma.Web.AdminAPI.Config
  10   @shortdoc "Manages the location of the config"
  11   @moduledoc """
  12   Manages the location of the config.
  13
  14   ## Transfers config from file to DB.
  15
  16       mix pleroma.config migrate_to_db
  17
  18   ## Transfers config from DB to file.
  19
  20       mix pleroma.config migrate_from_db ENV
  21   """
  22
  23   def run(["migrate_to_db"]) do
  24     start_pleroma()
  25
  26     if Pleroma.Config.get([:instance, :dynamic_configuration]) do
  27       Application.get_all_env(:pleroma)
  28       |> Enum.reject(fn {k, _v} -> k in [Pleroma.Repo, :env] end)
  29       |> Enum.each(fn {k, v} ->
  30         key = to_string(k) |> String.replace("Elixir.", "")
  31         {:ok, _} = Config.update_or_create(%{group: "pleroma", key: key, value: v})
  32         Mix.shell().info("#{key} is migrated.")
  33       end)
  34
  35       Mix.shell().info("Settings migrated.")
  36     else
  37       Mix.shell().info(
  38         "Migration is not allowed by config. You can change this behavior in instance settings."
  39       )
  40     end
  41   end
  42
  43   def run(["migrate_from_db", env, delete?]) do
  44     start_pleroma()
  45
  46     delete? = if delete? == "true", do: true, else: false
  47
  48     if Pleroma.Config.get([:instance, :dynamic_configuration]) do
  49       config_path = "config/#{env}.exported_from_db.secret.exs"
  50
  51       {:ok, file} = File.open(config_path, [:write])
  52       IO.write(file, "use Mix.Config\r\n")
  53
  54       Repo.all(Config)
  55       |> Enum.each(fn config ->
  56         mark =
  57           if String.starts_with?(config.key, "Pleroma.") or
  58                String.starts_with?(config.key, "Ueberauth"),
  59              do: ",",
  60              else: ":"
  61
  62         IO.write(
  63           file,
  64           "config :#{config.group}, #{config.key}#{mark} #{
  65             inspect(Config.from_binary(config.value))
  66           }\r\n"
  67         )
  68
  69         if delete? do
  70           {:ok, _} = Repo.delete(config)
  71           Mix.shell().info("#{config.key} deleted from DB.")
  72         end
  73       end)
  74
  75       File.close(file)
  76       System.cmd("mix", ["format", config_path])
  77     else
  78       Mix.shell().info(
  79         "Migration is not allowed by config. You can change this behavior in instance settings."
  80       )
  81     end
  82   end
  83 end