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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 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   def call(%Plug.Conn{assigns: assigns} = conn, _) do
  16     token = assigns[:token]
  17     user = assigns[:user]
  18
  19     cond do
  20       token && OAuth.Scopes.contains_admin_scopes?(token.scopes) ->
  21         # Note: checking for _any_ admin scope presence, not necessarily fitting requested action.
  22         #   Thus, controller must explicitly invoke OAuthScopesPlug to verify scope requirements.
  23         conn
  24
  25       user && user.is_admin && !Pleroma.Config.enforce_oauth_admin_scope_usage?() ->
  26         conn
  27
  28       true ->
  29         conn
  30         |> render_error(:forbidden, "User is not an admin or OAuth admin scope is not granted.")
  31         |> halt()
  32     end
  33   end
  34 end