git.squeep.com Git - akkoma/blob - lib/pleroma/plugs/user_is_admin_plug.ex

   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 Pleroma.Plugs.UserIsAdminPlug do
   6   import Pleroma.Web.TranslationHelpers
   7   import Plug.Conn
   8
   9   alias Pleroma.Web.OAuth
  10
  11   def init(options) do
  12     options
  13   end
  14
  15   unless Pleroma.Config.enforce_oauth_admin_scope_usage?() do
  16     # To do: once AdminFE makes use of "admin" scope, disable the following func definition
  17     #   (fail on no admin scope(s) in token even if `is_admin` is true)
  18     def call(%Plug.Conn{assigns: %{user: %Pleroma.User{is_admin: true}}} = conn, _) do
  19       conn
  20     end
  21   end
  22
  23   def call(%Plug.Conn{assigns: %{token: %OAuth.Token{scopes: oauth_scopes} = _token}} = conn, _) do
  24     if OAuth.Scopes.contains_admin_scopes?(oauth_scopes) do
  25       # Note: checking for _any_ admin scope presence, not necessarily fitting requested action.
  26       #   Thus, controller must explicitly invoke OAuthScopesPlug to verify scope requirements.
  27       conn
  28     else
  29       fail(conn)
  30     end
  31   end
  32
  33   def call(conn, _) do
  34     fail(conn)
  35   end
  36
  37   defp fail(conn) do
  38     conn
  39     |> render_error(:forbidden, "User is not an admin or OAuth admin scope is not granted.")
  40     |> halt()
  41   end
  42 end