Merge pull request 'Remove "default" image description' (#493) from ilja/akkoma:remov...

[akkoma] / lib / pleroma / web / o_auth / scopes.ex

diff --git a/lib/pleroma/web/o_auth/scopes.ex b/lib/pleroma/web/o_auth/scopes.ex
index ada43eae9df4ebb1894f6524c4106a63f737d940..a170eb33b4d7f787df1a26e937e69574a4304797 100644 (file)
--- a/lib/pleroma/web/o_auth/scopes.ex
+++ b/lib/pleroma/web/o_auth/scopes.ex
@@ -56,12 +56,29 @@ defmodule Pleroma.Web.OAuth.Scopes do
   @doc """
   Validates scopes.
   """
-  @spec validate(list() | nil, list()) ::
-          {:ok, list()} | {:error, :missing_scopes | :unsupported_scopes}
-  def validate(blank_scopes, _app_scopes) when blank_scopes in [nil, []],
+  @spec validate(list() | nil, list(), Pleroma.User.t()) ::
+          {:ok, list()} | {:error, :missing_scopes | :unsupported_scopes, :user_is_not_an_admin}
+  def validate(blank_scopes, _app_scopes, _user) when blank_scopes in [nil, []],
     do: {:error, :missing_scopes}
 
-  def validate(scopes, app_scopes) do
+  def validate(scopes, app_scopes, _user) do
+    validate_scopes_are_supported(scopes, app_scopes)
+  end
+
+  @spec filter_admin_scopes([String.t()], Pleroma.User.t()) :: [String.t()]
+  @doc """
+  Remove admin scopes for non-admins
+  """
+  def filter_admin_scopes(scopes, %Pleroma.User{is_admin: true}), do: scopes
+
+  def filter_admin_scopes(scopes, %Pleroma.User{is_moderator: true}), do: scopes
+
+  def filter_admin_scopes(scopes, _user) do
+    drop_scopes = OAuthScopesPlug.filter_descendants(scopes, ["admin"])
+    Enum.reject(scopes, fn scope -> Enum.member?(drop_scopes, scope) end)
+  end
+
+  defp validate_scopes_are_supported(scopes, app_scopes) do
     case OAuthScopesPlug.filter_descendants(scopes, app_scopes) do
       ^scopes -> {:ok, scopes}
       _ -> {:error, :unsupported_scopes}