Extension:OpenAM

Pre-requisites
You must have the pecl_http extension (http://pecl.php.net/package/pecl_http) installed into PHP, since MediaWiki's built in http functions do not allow us to set cookies. 

Install
Copy & paste in: /path/to/wiki/extensions/OpenAM/OpenAM.php Include on LocalSettings.php:
 * OpenAM.php