<?
	$Key = $_REQUEST['key'];
	$Type = $_REQUEST['type'];

	if (($Key != TRACKER_SECRET) || ($_SERVER['REMOTE_ADDR'] != TRACKER_HOST && $_SERVER['REMOTE_HOST'] != TRACKER_HOST)) {
		error(403);
	}

	switch ($Type) {
		case 'expiretoken':
			if (isset($_GET['tokens'])) {
				$Tokens = explode(',', $_GET['tokens']);
				if (empty($Tokens)) {
					error(0);
				}
				$Cond = $UserIDs = array();
				foreach ($Tokens as $Key => $Token) {
					list($UserID, $TorrentID) = explode(':', $Token);
					if (!is_number($UserID) || !is_number($TorrentID)) {
						continue;
					}
					$Cond[] = "(UserID=$UserID AND TorrentID=$TorrentID)";
					$UserIDs[] = $UserID;
				}
				if (!empty($Cond)) {
					$Query = "UPDATE users_freeleeches SET Expired=TRUE WHERE ".implode(" OR ", $Cond);
					$DB->query($Query);
					foreach ($UserIDs as $UserID) {
						$Cache->delete_value('users_tokens_'.$UserID);
					}
				}
			} else {
				$TorrentID = $_REQUEST['torrentid'];
				$UserID = $_REQUEST['userid'];
				if (!is_number($TorrentID) || !is_number($UserID)) {
					error(403);
				}
				$DB->query("UPDATE users_freeleeches SET Expired=TRUE WHERE UserID=$UserID AND TorrentID=$TorrentID");
				$Cache->delete_value('users_tokens_'.$UserID);
			}
			break;
	}
?>