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# Pleroma: A lightweight social networking server
# 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
@doc """
Skips OAuth permissions (scopes) checks, assigns nil `:token`.
Intended to be used with explicit authentication and only when OAuth token cannot be determined.
"""
def skip_oauth(conn) do
conn
|> 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
end
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