/**
* checks wether a user may invoke a command or not
* (this method is called by ilAccessHandler::checkAccess)
*
* @param string $a_cmd command (not permission!)
* @param string $a_permission permission
* @param int $a_ref_id reference id
* @param int $a_obj_id object id
* @param int $a_user_id user id (if not provided, current user is taken)
*
* @return boolean true, if everything is ok
*/
function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
{
global $ilUser, $lng, $rbacsystem, $ilAccess;
if ($a_user_id == "") {
$a_user_id = $ilUser->getId();
}
switch ($a_permission) {
case "visible":
if (!ilObjFileBasedLMAccess::_lookupOnline($a_obj_id) && !$rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id)) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
return false;
}
break;
case "read":
if (!ilObjFileBasedLMAccess::_lookupOnline($a_obj_id) && !$rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id) || ilObjFileBasedLMAccess::_determineStartUrl($a_obj_id) == "") {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
return false;
}
break;
}
return true;
}
