Google Authentication Plugin allows to sign in to DokuWiki using OAuth 2.0 protocol provided by Google (https://developers.google.com/accounts/docs/OAuth2Login).
All documentation for Google Authentication plugin is available online at http://www.dokuwiki.org/plugin:authgoogle
For Installation Instructions see http://www.dokuwiki.org/plugin:authgoogle#installation
Google Authentication Plugin for DokuWiki - 2013 (c) Andrew Kornienko ant@kaula.ru and Artyom sentryperm@gmail.com