gboudreau/Greyhole

<?php
/*
Copyright 2009-2014 Guillaume Boudreau

This file is part of Greyhole.

Greyhole is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Greyhole is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Greyhole.  If not, see <http://www.gnu.org/licenses/>.
*/

abstract class AbstractRunner {
    
    function __construct() {
    }

    abstract public function run();
    
    // Most commands can be executed only by root.
    // The commands that don't have this requirement will need to extend AbstractAnonymousCliRunner instead of this class.
    public function canRun() {
        if (exec("/usr/bin/whoami") != 'root') {
            return FALSE;
        }
        return TRUE;
    }
    
    // Most runners will exit on completion. The daemon is an exception, and will need to override this method to keep running.
    public function finish($returnValue = 0) {
        exit($returnValue);
    }
}

?>