namespace Piwik\Plugins\LoginWindowsSSO;

use Piwik\Plugins\UsersManager\Model;
use Piwik\Plugins\Login\Auth;
use Piwik\Plugins\Logging\Logger;
use Piwik\Plugins\Login\Controller;
use Piwik\Piwik;

class LoginWindowsSSO extends \Piwik\Plugin {
	
	private $log;
	
	public function __construct($pluginName = false) {
		$this->log = new Logger($this, "sso");
		parent::__construct($pluginName);
	}
	
	function getListHooksRegistered() {
		return array(
			'Request.initAuthenticationObject' => 'initAuthenticationObject'
		);
	}

	function initAuthenticationObject($activateCookieAuth = false) {
		$this->log->debug("=> #initAuthenticationObject");
		$login = $this->getWinUser(); // this method extract the login name from request headers
		if (!empty($login)) {
			$auth = new Auth();
			$model = new Model();
			$user = $model->getUser($login);
			if (!empty($user)) {
				$this->log->info("===> logon success for user $login");
				$auth->setLogin($login);
				$auth->setTokenAuth($user['token_auth']);
			} else {
				$this->log->warn("===> User $login was not found in the Piwik database; logon won't work.");
			}
			\Piwik\Registry::set('auth', $auth);
		} else {
			$this->log->warn("==> logon user could not be retrieved from request; logon won't work.");
		}
	}
}