X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fplugs%2Foauth_scopes_plug.ex;h=66f48c28c600f8fda50dea5c326edf47027125cc;hb=364eecc49f137ae3c7798ad240983591e27b134c;hp=b508628a92dca12b90e197c1acf3a3ca3c66b4bc;hpb=f295b9fba9c8e54bd5a92447d55d0c60c0a0cc0c;p=akkoma
diff --git a/lib/pleroma/plugs/oauth_scopes_plug.ex b/lib/pleroma/plugs/oauth_scopes_plug.ex
index b508628a9..66f48c28c 100644
--- a/lib/pleroma/plugs/oauth_scopes_plug.ex
+++ b/lib/pleroma/plugs/oauth_scopes_plug.ex
@@ -1,36 +1,43 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors
+# Copyright © 2017-2020 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Plugs.OAuthScopesPlug do
import Plug.Conn
import Pleroma.Web.Gettext
+ alias Pleroma.Config
+ alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
+ alias Pleroma.Plugs.PlugHelper
+
+ use Pleroma.Web, :plug
+
@behaviour Plug
def init(%{scopes: _} = options), do: options
- def call(%Plug.Conn{assigns: assigns} = conn, %{scopes: scopes} = options) do
+ def perform(%Plug.Conn{assigns: assigns} = conn, %{scopes: scopes} = options) do
op = options[:op] || :|
token = assigns[:token]
- cond do
- is_nil(token) ->
- conn
+ scopes = transform_scopes(scopes, options)
+ matched_scopes = (token && filter_descendants(scopes, token.scopes)) || []
- op == :| && scopes -- token.scopes != scopes ->
+ cond do
+ token && op == :| && Enum.any?(matched_scopes) ->
conn
- op == :& && scopes -- token.scopes == [] ->
+ token && op == :& && matched_scopes == scopes ->
conn
options[:fallback] == :proceed_unauthenticated ->
conn
|> assign(:user, nil)
|> assign(:token, nil)
+ |> maybe_perform_instance_privacy_check(options)
true ->
- missing_scopes = scopes -- token.scopes
+ missing_scopes = scopes -- matched_scopes
permissions = Enum.join(missing_scopes, " #{op} ")
error_message =
@@ -42,4 +49,34 @@ defmodule Pleroma.Plugs.OAuthScopesPlug do
|> halt()
end
end
+
+ @doc "Filters descendants of supported scopes"
+ def filter_descendants(scopes, supported_scopes) do
+ Enum.filter(
+ scopes,
+ fn scope ->
+ Enum.find(
+ supported_scopes,
+ &(scope == &1 || String.starts_with?(scope, &1 <> ":"))
+ )
+ end
+ )
+ end
+
+ @doc "Transforms scopes by applying supported options (e.g. :admin)"
+ def transform_scopes(scopes, options) do
+ if options[:admin] do
+ Config.oauth_admin_scopes(scopes)
+ else
+ scopes
+ end
+ end
+
+ defp maybe_perform_instance_privacy_check(%Plug.Conn{} = conn, options) do
+ if options[:skip_instance_privacy_check] do
+ conn
+ else
+ EnsurePublicOrAuthenticatedPlug.call(conn, [])
+ end
+ end
end