1 files changed, 59 insertions, 0 deletions
diff --git a/lib/pleroma/config/transfer_task.ex b/lib/pleroma/config/transfer_task.ex
new file mode 100644
index 000000000..7799b2a78
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+++ b/lib/pleroma/config/transfer_task.ex
@@ -0,0 +1,59 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Config.TransferTask do
+  use Task
+  alias Pleroma.Web.AdminAPI.Config
+
+  def start_link do
+    load_and_update_env()
+    if Pleroma.Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Pleroma.Repo)
+    :ignore
+  end
+
+  def load_and_update_env do
+    if Pleroma.Config.get([:instance, :dynamic_configuration]) and
+         Ecto.Adapters.SQL.table_exists?(Pleroma.Repo, "config") do
+      for_restart =
+        Pleroma.Repo.all(Config)
+        |> Enum.map(&update_env(&1))
+
+      # We need to restart applications for loaded settings take effect
+      for_restart
+      |> Enum.reject(&(&1 in [:pleroma, :ok]))
+      |> Enum.each(fn app ->
+        Application.stop(app)
+        :ok = Application.start(app)
+      end)
+    end
+  end
+
+  defp update_env(setting) do
+    try do
+      key =
+        if String.starts_with?(setting.key, "Pleroma.") do
+          "Elixir." <> setting.key
+        else
+          String.trim_leading(setting.key, ":")
+        end
+
+      group = String.to_existing_atom(setting.group)
+
+      Application.put_env(
+        group,
+        String.to_existing_atom(key),
+        Config.from_binary(setting.value)
+      )
+
+      group
+    rescue
+      e ->
+        require Logger
+
+        Logger.warn(
+          "updating env causes error, key: #{inspect(setting.key)}, error: #{inspect(e)}"
+        )
+    end
+  end
+end