class auth_mongodb extends auth_basic {

	var $connection = null;

	function __construct() {
		global $config_cascade;
		global $connection;

		$this->cando['external'] = true;
		$this->cando['logout'] = true;

		$connection = new Mongo("server_ip");
	}

	function trustExternal($user, $pass, $sticky = false) {

		global $USERINFO;
		global $conf;
		global $connection;

		$sticky ? $sticky = true : $sticky = false; //sanity check

		if (!empty($_SESSION[DOKU_COOKIE]['auth']['info'])) {
			$USERINFO['name'] = $_SESSION[DOKU_COOKIE]['auth']['info']['name'];
			$USERINFO['mail'] = $_SESSION[DOKU_COOKIE]['auth']['info']['mail'];
			$USERINFO['grps'] = $_SESSION[DOKU_COOKIE]['auth']['info']['grps'];
			$_SERVER['REMOTE_USER'] = $_SESSION[DOKU_COOKIE]['auth']['user'];
			return true;
		}

		if (!empty($user)) {
			// do the checking here
			$collection = $connection->DatabaseName->admins;
			$login = $collection->findOne(array('name' => $user));
			if ($login == null) return false;

			if ($login['password'] != sha1($login['_id'] . $pass)) {
				msg('Incorrect username or password.');
				return false;
			}

			// set the globals if authed
			$USERINFO['name'] = $login['name'];
			$USERINFO['mail'] = $login['email'];
			$USERINFO['grps'] = $login['name'] == 'Admin' ? array('admin','user'): array( 'user');
			$_SERVER['REMOTE_USER'] = $login['name'];
			$_SESSION[DOKU_COOKIE]['auth']['user'] = $login['name'];
			$_SESSION[DOKU_COOKIE]['auth']['mail'] = $login['email'];
			$_SESSION[DOKU_COOKIE]['auth']['pass'] = $pass;
			$_SESSION[DOKU_COOKIE]['auth']['info'] = $USERINFO;
			return true;
		} else {
			return false;
		}

	}
}