reuse valid oauth tokens (#182)

[akkoma] / lib / pleroma / helpers / auth_helper.ex

diff --git a/lib/pleroma/helpers/auth_helper.ex b/lib/pleroma/helpers/auth_helper.ex
index 6e29c006a6afc69453ec821cf073512bf753a2a1..37765da4d7d04ca7b6a0bb705d0871b0078cc3e1 100644 (file)
--- a/lib/pleroma/helpers/auth_helper.ex
+++ b/lib/pleroma/helpers/auth_helper.ex
@@ -1,9 +1,15 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Helpers.AuthHelper do
   alias Pleroma.Web.Plugs.OAuthScopesPlug
+  alias Plug.Conn
+
+  import Plug.Conn
+
+  @oauth_token_session_key :oauth_token
+  @oauth_user_session_key :oauth_user
 
   @doc """
   Skips OAuth permissions (scopes) checks, assigns nil `:token`.
@@ -11,7 +17,43 @@ defmodule Pleroma.Helpers.AuthHelper do
   """
   def skip_oauth(conn) do
     conn
-    |> Plug.Conn.assign(:token, nil)
+    |> assign(:token, nil)
     |> OAuthScopesPlug.skip_plug()
   end
+
+  @doc "Drops authentication info from connection"
+  def drop_auth_info(conn) do
+    # To simplify debugging, setting a private variable on `conn` if auth info is dropped
+    conn
+    |> assign(:user, nil)
+    |> assign(:token, nil)
+    |> put_private(:authentication_ignored, true)
+  end
+
+  @doc "Gets OAuth token string from session"
+  def get_session_token(%Conn{} = conn) do
+    get_session(conn, @oauth_token_session_key)
+  end
+
+  @doc "Updates OAuth token string in session"
+  def put_session_token(%Conn{} = conn, token) when is_binary(token) do
+    put_session(conn, @oauth_token_session_key, token)
+  end
+
+  @doc "Deletes OAuth token string from session"
+  def delete_session_token(%Conn{} = conn) do
+    delete_session(conn, @oauth_token_session_key)
+  end
+
+  def put_session_user(%Conn{} = conn, user) do
+    put_session(conn, @oauth_user_session_key, user)
+  end
+
+  def delete_session_user(%Conn{} = conn) do
+    delete_session(conn, @oauth_user_session_key)
+  end
+
+  def get_session_user(%Conn{} = conn) do
+    get_session(conn, @oauth_user_session_key)
+  end
 end