Merge branch 'oauth-app-spam' into 'develop'

Fix OAuth app spam

See merge request pleroma/pleroma!4244

lib/pleroma/web/mastodon_api/controllers/app_controller.ex

@@ -36,8 +36,7 @@ defmodule Pleroma.Web.MastodonAPI.AppController do
       |> Map.put(:scopes, scopes)
       |> Maps.put_if_present(:user_id, user_id)
 
-    with cs <- App.register_changeset(%App{}, app_attrs),
-         {:ok, app} <- Repo.insert(cs) do
+    with {:ok, app} <- App.get_or_make(app_attrs) do
       render(conn, "show.json", app: app)
     end
   end

lib/pleroma/web/o_auth/app.ex

@@ -67,35 +67,27 @@ defmodule Pleroma.Web.OAuth.App do
     with %__MODULE__{} = app <- Repo.get(__MODULE__, id) do
       app
       |> changeset(params)
+      |> validate_required([:scopes])
       |> Repo.update()
     end
   end
 
   @doc """
-  Gets app by attrs or create new  with attrs.
-  And updates the scopes if need.
+  Gets app by attrs or create new with attrs.
+  Updates the attrs if needed.
   """
-  @spec get_or_make(map(), list(String.t())) :: {:ok, t()} | {:error, Ecto.Changeset.t()}
-  def get_or_make(attrs, scopes) do
-    with %__MODULE__{} = app <- Repo.get_by(__MODULE__, attrs) do
-      update_scopes(app, scopes)
+  @spec get_or_make(map()) :: {:ok, t()} | {:error, Ecto.Changeset.t()}
+  def get_or_make(attrs) do
+    with %__MODULE__{} = app <- Repo.get_by(__MODULE__, client_name: attrs.client_name) do
+      __MODULE__.update(app.id, Map.take(attrs, [:scopes, :website]))
     else
       _e ->
         %__MODULE__{}
-        |> register_changeset(Map.put(attrs, :scopes, scopes))
+        |> register_changeset(attrs)
         |> Repo.insert()
     end
   end
 
-  defp update_scopes(%__MODULE__{} = app, []), do: {:ok, app}
-  defp update_scopes(%__MODULE__{scopes: scopes} = app, scopes), do: {:ok, app}
-
-  defp update_scopes(%__MODULE__{} = app, scopes) do
-    app
-    |> change(%{scopes: scopes})
-    |> Repo.update()
-  end
-
   @spec search(map()) :: {:ok, [t()], non_neg_integer()}
   def search(params) do
     query = from(a in __MODULE__)