/**
* Looks up a privilege by its parameters.
*
* @param midcom_core_dbaobject $object The DBA object we're working on
* @param string $privilege The name of the privilege.
* @param mixed $assignee Either a valid magic assignee (SELF, EVERYONE, USERS, ANONYMOUS), a midcom_core_user or a
* midcom_core_group object or subtype thereof.
* @param string $classname An optional class name to which a SELF privilege is restricted to.
* @return midcom_core_privilege The privilege record from the database.
*/
public static function get_privilege(midcom_core_dbaobject $object, $privilege, $assignee, $classname = '')
{
if (!$object->can_do('midgard:privileges')) {
debug_add("Failed to get a privilege, midgard:update or midgard:privileges on the " . get_class($object) . " {$object->guid} not granted for the current user.", MIDCOM_LOG_ERROR);
return false;
}
if (is_object($assignee)) {
$assignee = $assignee->id;
}
$obj = midcom_core_privilege::get_privilege($object, $privilege, $assignee, $classname);
return $obj;
}
