/**
* check if command it to be executed under given "circumstances" (user and host matching)
* @return boolean
*/
public function checkRights()
{
// no requirements assigned -> execute always
if (!$this->rights) {
return true;
}
$result = true;
$requiredUser = $this->rights->getUser();
$requiredHost = $this->rights->getHost();
$excludedUser = $this->rights->getUserExcluded();
$excludedHost = $this->rights->getHostExcluded();
$user = getenv('USERNAME') ?: getenv('USER');
$host = gethostname();
// check user requirements
if ($requiredUser) {
$result = $result && preg_match("{" . $requiredUser . "}", $user);
}
// check excluded user requirements
if ($excludedUser) {
$result = $result && !preg_match("{" . $excludedUser . "}", $user);
}
// check host requirements
if ($requiredHost) {
$result = $result && preg_match("{" . $requiredHost . "}", $host);
}
// check excluded host requirements
if ($excludedHost) {
$result = $result && !preg_match("{" . $excludedHost . "}", $host);
}
return $result;
}