OAuth2 and Google API: Access token expiration time?
问题 We have a standalone Java application (see \'Installed application\': https://developers.google.com/accounts/docs/OAuth2) which runs periodically and uses google API (updates some informations from customer databases/ldap/...). To access Google APIs we store username and password in configuration file, which is a security risk and customer does not like that. So we would like to use OAuth2 long-living access token instead. what`s default expiration time for Google OAuth2 access tokens ? As we