mirror of
https://github.com/torrentpier/torrentpier.git
synced 2024-12-14 08:01:14 -08:00
04e1adf4ba
* Minor improvements
* Update config.php
* Update config.php
* Update config.php
* Update config.php
* Update CHANGELOG.md
* Update CHANGELOG.md
* Update announce.php
* Update main.php
* Update CronHelper.php
* Updated
* Update CHANGELOG.md
* Update announce.php
* Revert "Update announce.php"
This reverts commit 595784acd6.
* Update announce.php
* Update announce.php
496 lines
16 KiB
PHP
496 lines
16 KiB
PHP
<?php
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/**
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* TorrentPier – Bull-powered BitTorrent tracker engine
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*
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* @copyright Copyright (c) 2005-2024 TorrentPier (https://torrentpier.com)
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* @link https://github.com/torrentpier/torrentpier for the canonical source repository
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* @license https://github.com/torrentpier/torrentpier/blob/master/LICENSE MIT License
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*/
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define('IN_TRACKER', true);
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define('BB_ROOT', './../');
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require dirname(__DIR__) . '/common.php';
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global $bb_cfg;
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if (empty($_SERVER['HTTP_USER_AGENT'])) {
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header('Location: http://127.0.0.1', true, 301);
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die;
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}
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$announce_interval = $bb_cfg['announce_interval'];
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$passkey_key = $bb_cfg['passkey_key'];
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// Recover info_hash
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if (isset($_GET['?info_hash']) && !isset($_GET['info_hash'])) {
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$_GET['info_hash'] = $_GET['?info_hash'];
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}
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// Initial request verification
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if (str_contains($_SERVER['REQUEST_URI'], 'scrape')) {
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msg_die('Please disable SCRAPE!');
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}
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if (!isset($_GET[$passkey_key]) || !is_string($_GET[$passkey_key])) {
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msg_die('Please LOG IN and RE-DOWNLOAD this torrent (passkey not found)');
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}
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// Input var names
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// String
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$input_vars_str = ['info_hash', 'peer_id', 'event', $passkey_key];
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// Numeric
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$input_vars_num = ['port', 'uploaded', 'downloaded', 'left', 'numwant', 'compact'];
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// Init received data
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// String
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foreach ($input_vars_str as $var_name) {
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$$var_name = isset($_GET[$var_name]) ? (string)$_GET[$var_name] : null;
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}
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// Numeric
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foreach ($input_vars_num as $var_name) {
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$$var_name = isset($_GET[$var_name]) ? (float)$_GET[$var_name] : null;
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}
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// Passkey
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$passkey = $$passkey_key ?? null;
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// Verify request
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// Required params (info_hash, peer_id, port, uploaded, downloaded, left, passkey)
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if (!isset($peer_id)) {
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msg_die('peer_id was not provided');
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}
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if (strlen($peer_id) !== 20) {
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msg_die('Invalid peer_id: ' . $peer_id);
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}
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// Check for client ban
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if ($bb_cfg['client_ban']['enabled']) {
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$targetClient = [];
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foreach ($bb_cfg['client_ban']['clients'] as $clientId => $banReason) {
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if (str_starts_with($peer_id, $clientId)) {
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$targetClient = [
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'peer_id' => $clientId,
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'ban_reason' => $banReason
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];
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break;
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}
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}
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if ($bb_cfg['client_ban']['only_allow_mode']) {
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if (empty($targetClient['peer_id'])) {
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msg_die('Your BitTorrent client has been banned!');
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}
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} else {
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if (!empty($targetClient['peer_id'])) {
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msg_die(empty($targetClient['ban_reason']) ? 'Your BitTorrent client has been banned!' : $targetClient['ban_reason']);
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}
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}
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}
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// Verify info_hash
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if (!isset($info_hash)) {
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msg_die('info_hash was not provided');
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}
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// Store info hash in hex format
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$info_hash_hex = bin2hex($info_hash);
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// Store peer id
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$peer_id_sql = preg_replace('/[^a-zA-Z0-9\-\_]/', '', $peer_id);
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// Check info_hash length
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if (strlen($info_hash) !== 20) {
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msg_die('Invalid info_hash: ' . (mb_check_encoding($info_hash, 'UTF8') ? $info_hash : $info_hash_hex));
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}
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if (!isset($port) || $port < 0 || $port > 0xFFFF) {
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msg_die('Invalid port: ' . $port);
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}
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if (!isset($uploaded) || $uploaded < 0) {
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msg_die('Invalid uploaded value: ' . $uploaded);
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}
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if (!isset($downloaded) || $downloaded < 0) {
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msg_die('Invalid downloaded value: ' . $downloaded);
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}
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if (!isset($left) || $left < 0) {
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msg_die('Invalid left value: ' . $left);
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}
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// IP
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$ip = $_SERVER['REMOTE_ADDR'];
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// 'ip' query handling
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if (!$bb_cfg['ignore_reported_ip'] && isset($_GET['ip']) && $ip !== $_GET['ip']) {
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if (!$bb_cfg['verify_reported_ip'] && isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$x_ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
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if ($x_ip === $_GET['ip']) {
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$filteredIp = filter_var($x_ip, FILTER_VALIDATE_IP);
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if ($filteredIp !== false && ($bb_cfg['allow_internal_ip'] || !filter_var($filteredIp, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE))) {
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$ip = $filteredIp;
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}
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}
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}
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}
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// Check that IP format is valid
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if (!\TorrentPier\Helpers\IPHelper::isValid($ip)) {
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msg_die("Invalid IP: $ip");
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}
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// Convert IP to long format
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$ip_sql = \TorrentPier\Helpers\IPHelper::ip2long($ip);
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// Detect IP version
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$ipv4 = $ipv6 = null;
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$ip_version = \TorrentPier\Helpers\IPHelper::isValidv6($ip) ? 'ipv6' : 'ip';
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if ($ip_version === 'ipv6') {
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$ipv6 = $ip_sql;
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} else {
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$ipv4 = $ip_sql;
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}
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// Peer unique id
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$peer_hash = hash('xxh128', $passkey . $info_hash_hex . $port);
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// Events
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$stopped = ($event === 'stopped');
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// Set seeder & complete
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$complete = $seeder = ($left == 0) ? 1 : 0;
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// Get cached peer info from previous announce (last peer info)
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$lp_info = CACHE('tr_cache')->get(PEER_HASH_PREFIX . $peer_hash);
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// Stopped event, slice peer's cache life to 30 seconds
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if ($stopped && $lp_info) {
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CACHE('tr_cache')->set(PEER_HASH_PREFIX . $peer_hash, $lp_info, 30);
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}
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// Drop fast announce
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if ($lp_info && (!isset($event) || !$stopped)) {
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if ($lp_info['ip_ver4'] === $ipv4 || $lp_info['ip_ver6'] === $ipv6 || isset($lp_info['ip_ver4'], $lp_info['ip_ver6'])) {
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if ($lp_cached_peers = CACHE('tr_cache')->get(PEERS_LIST_PREFIX . $lp_info['topic_id'])) {
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drop_fast_announce($lp_info, $lp_cached_peers); // Use cache but with new calculated interval and seed, peer count set
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}
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}
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}
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// Get last peer info from DB
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if (!CACHE('tr_cache')->used && !$lp_info) {
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$lp_info = DB()->fetch_row("
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SELECT * FROM " . BB_BT_TRACKER . " WHERE peer_hash = '$peer_hash' LIMIT 1
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");
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}
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if ($lp_info) {
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$user_id = $lp_info['user_id'];
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$topic_id = $lp_info['topic_id'];
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$releaser = $lp_info['releaser'];
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$tor_type = $lp_info['tor_type'];
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$hybrid_unrecord = $lp_info['hybrid_unrecord'] ?? false;
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} else {
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$info_hash_sql = rtrim(DB()->escape($info_hash), ' ');
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/**
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* Currently torrent clients send truncated v2 hashes (the design raises questions).
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* https://github.com/bittorrent/bittorrent.org/issues/145#issuecomment-1720040343
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*/
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$info_hash_where = "WHERE tor.info_hash = '$info_hash_sql' OR SUBSTRING(tor.info_hash_v2, 1, 20) = '$info_hash_sql'";
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$passkey_sql = DB()->escape($passkey);
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$sql = "
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SELECT tor.topic_id, tor.poster_id, tor.tor_type, tor.info_hash, tor.info_hash_v2, u.*
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FROM " . BB_BT_TORRENTS . " tor
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LEFT JOIN " . BB_BT_USERS . " u ON u.auth_key = '$passkey_sql'
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$info_hash_where
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LIMIT 1
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";
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$row = DB()->fetch_row($sql);
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// Verify if torrent registered on tracker and user authorized
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if (empty($row['topic_id'])) {
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msg_die('Torrent not registered, info_hash = ' . (mb_check_encoding($info_hash, 'UTF8') ? $info_hash : $info_hash_hex));
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}
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if (empty($row['user_id'])) {
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msg_die('Please LOG IN and RE-DOWNLOAD this torrent (user not found)');
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}
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// Assign variables
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$user_id = $row['user_id'];
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$topic_id = $row['topic_id'];
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$releaser = (int)($user_id == $row['poster_id']);
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$tor_type = $row['tor_type'];
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// Check hybrid status
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if (!empty($row['info_hash']) && !empty($row['info_hash_v2'])) {
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$stat_protocol = match ((int)$bb_cfg['tracker']['hybrid_stat_protocol']) {
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2 => substr($row['info_hash_v2'], 0, 20),
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default => $row['info_hash'] // 1
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};
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if ($info_hash !== $stat_protocol) {
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$hybrid_unrecord = true; // This allows us to announce only for one info-hash
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}
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}
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// Ratio limits
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if ((RATIO_ENABLED || $bb_cfg['tracker']['limit_concurrent_ips']) && !$stopped) {
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$user_ratio = get_bt_ratio($row);
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if ($user_ratio === null) {
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$user_ratio = 1;
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}
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$rating_msg = '';
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if (!$seeder) {
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foreach ($bb_cfg['rating'] as $ratio => $limit) {
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if ($user_ratio < $ratio) {
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$bb_cfg['tracker']['limit_active_tor'] = 1;
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$bb_cfg['tracker']['limit_leech_count'] = $limit;
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$rating_msg = " (ratio < $ratio)";
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break;
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}
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}
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}
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// Limit active torrents
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if (!isset($bb_cfg['unlimited_users'][$user_id]) && $bb_cfg['tracker']['limit_active_tor'] && (($bb_cfg['tracker']['limit_seed_count'] && $seeder) || ($bb_cfg['tracker']['limit_leech_count'] && !$seeder))) {
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$sql = "SELECT COUNT(DISTINCT topic_id) AS active_torrents
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FROM " . BB_BT_TRACKER . "
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WHERE user_id = $user_id
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AND seeder = $seeder
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AND topic_id != $topic_id";
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if (!$seeder && $bb_cfg['tracker']['leech_expire_factor'] && $user_ratio < 0.5) {
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$sql .= " AND update_time > " . (TIMENOW - 60 * $bb_cfg['tracker']['leech_expire_factor']);
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}
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$sql .= " GROUP BY user_id";
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if ($row = DB()->fetch_row($sql)) {
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if ($seeder && $bb_cfg['tracker']['limit_seed_count'] && $row['active_torrents'] >= $bb_cfg['tracker']['limit_seed_count']) {
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msg_die('Only ' . $bb_cfg['tracker']['limit_seed_count'] . ' torrent(s) allowed for seeding');
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} elseif (!$seeder && $bb_cfg['tracker']['limit_leech_count'] && $row['active_torrents'] >= $bb_cfg['tracker']['limit_leech_count']) {
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msg_die('Only ' . $bb_cfg['tracker']['limit_leech_count'] . ' torrent(s) allowed for leeching' . $rating_msg);
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}
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}
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}
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// Limit concurrent IPs
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if ($bb_cfg['tracker']['limit_concurrent_ips'] && (($bb_cfg['tracker']['limit_seed_ips'] && $seeder) || ($bb_cfg['tracker']['limit_leech_ips'] && !$seeder))) {
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$sql = "SELECT COUNT(DISTINCT ip) AS ips
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FROM " . BB_BT_TRACKER . "
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WHERE topic_id = $topic_id
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AND user_id = $user_id
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AND seeder = $seeder
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AND $ip_version != '$ip_sql'";
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if (!$seeder && $bb_cfg['tracker']['leech_expire_factor']) {
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$sql .= " AND update_time > " . (TIMENOW - 60 * $bb_cfg['tracker']['leech_expire_factor']);
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}
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$sql .= " GROUP BY topic_id";
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if ($row = DB()->fetch_row($sql)) {
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if ($seeder && $bb_cfg['tracker']['limit_seed_ips'] && $row['ips'] >= $bb_cfg['tracker']['limit_seed_ips']) {
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msg_die('You can seed only from ' . $bb_cfg['tracker']['limit_seed_ips'] . " IP's");
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} elseif (!$seeder && $bb_cfg['tracker']['limit_leech_ips'] && $row['ips'] >= $bb_cfg['tracker']['limit_leech_ips']) {
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msg_die('You can leech only from ' . $bb_cfg['tracker']['limit_leech_ips'] . " IP's");
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}
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}
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}
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}
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}
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// Up/Down speed
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$speed_up = $speed_down = 0;
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if ($lp_info && $lp_info['update_time'] < TIMENOW) {
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if ($uploaded > $lp_info['uploaded']) {
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$speed_up = ceil(($uploaded - $lp_info['uploaded']) / (TIMENOW - $lp_info['update_time']));
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}
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if ($downloaded > $lp_info['downloaded']) {
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$speed_down = ceil(($downloaded - $lp_info['downloaded']) / (TIMENOW - $lp_info['update_time']));
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}
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}
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// Up/Down addition
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$up_add = ($lp_info && $uploaded > $lp_info['uploaded']) ? $uploaded - $lp_info['uploaded'] : 0;
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$down_add = ($lp_info && $downloaded > $lp_info['downloaded']) ? $downloaded - $lp_info['downloaded'] : 0;
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// Gold/Silver releases
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if ($bb_cfg['tracker']['gold_silver_enabled'] && $down_add) {
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if ($tor_type == TOR_TYPE_GOLD) {
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$down_add = 0;
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} // Silver releases
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elseif ($tor_type == TOR_TYPE_SILVER) {
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$down_add = ceil($down_add / 2);
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}
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}
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// Freeleech
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if ($bb_cfg['tracker']['freeleech'] && $down_add) {
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$down_add = 0;
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}
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// Insert / update peer info
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$peer_info_updated = false;
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$update_time = ($stopped) ? 0 : TIMENOW;
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if ($lp_info && empty($hybrid_unrecord)) {
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$sql = "UPDATE " . BB_BT_TRACKER . " SET update_time = $update_time";
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$sql .= ", $ip_version = '$ip_sql'";
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$sql .= ", port = '$port'";
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$sql .= ", seeder = $seeder";
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$sql .= ($releaser != $lp_info['releaser']) ? ", releaser = $releaser" : '';
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$sql .= ($tor_type != $lp_info['tor_type']) ? ", tor_type = $tor_type" : '';
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$sql .= ($uploaded != $lp_info['uploaded']) ? ", uploaded = $uploaded" : '';
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$sql .= ($downloaded != $lp_info['downloaded']) ? ", downloaded = $downloaded" : '';
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$sql .= ", remain = $left";
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$sql .= $up_add ? ", up_add = up_add + $up_add" : '';
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$sql .= $down_add ? ", down_add = down_add + $down_add" : '';
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$sql .= ", speed_up = $speed_up";
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$sql .= ", speed_down = $speed_down";
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$sql .= ", complete = $complete";
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$sql .= ", peer_id = '$peer_id_sql'";
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$sql .= " WHERE peer_hash = '$peer_hash'";
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$sql .= " LIMIT 1";
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DB()->query($sql);
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$peer_info_updated = DB()->affected_rows();
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}
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if ((!$lp_info || !$peer_info_updated) && !$stopped && empty($hybrid_unrecord)) {
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$columns = "peer_hash, topic_id, user_id, $ip_version, port, seeder, releaser, tor_type, uploaded, downloaded, remain, speed_up, speed_down, up_add, down_add, update_time, complete, peer_id";
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$values = "'$peer_hash', $topic_id, $user_id, '$ip_sql', $port, $seeder, $releaser, $tor_type, $uploaded, $downloaded, $left, $speed_up, $speed_down, $up_add, $down_add, $update_time, $complete, '$peer_id_sql'";
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DB()->query("REPLACE INTO " . BB_BT_TRACKER . " ($columns) VALUES ($values)");
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}
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// Exit if stopped
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if ($stopped) {
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dummy_exit();
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}
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// Store peer info in cache
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$lp_info_new = [
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'downloaded' => (float)$downloaded,
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'releaser' => (int)$releaser,
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'seeder' => (int)$seeder,
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'topic_id' => (int)$topic_id,
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'update_time' => (int)TIMENOW,
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'uploaded' => (float)$uploaded,
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'user_id' => (int)$user_id,
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'tor_type' => (int)$tor_type,
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'complete' => (int)$complete,
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'ip_ver4' => $lp_info['ip_ver4'] ?? $ipv4,
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'ip_ver6' => $lp_info['ip_ver6'] ?? $ipv6,
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];
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if (!empty($hybrid_unrecord)) {
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$lp_info_new['hybrid_unrecord'] = $hybrid_unrecord;
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}
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// Cache new list with peer hash
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$lp_info_cached = CACHE('tr_cache')->set(PEER_HASH_PREFIX . $peer_hash, $lp_info_new, PEER_HASH_EXPIRE);
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// Get cached output
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$output = CACHE('tr_cache')->get(PEERS_LIST_PREFIX . $topic_id);
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if (!$output) {
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// Retrieve peers
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$numwant = (int)$bb_cfg['tracker']['numwant'];
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$compact_mode = ($bb_cfg['tracker']['compact_mode'] || !empty($compact));
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$rowset = DB()->fetch_rowset("
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SELECT ip, ipv6, port
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FROM " . BB_BT_TRACKER . "
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WHERE topic_id = $topic_id
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ORDER BY seeder ASC, RAND()
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LIMIT $numwant
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");
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if (empty($rowset)) {
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$rowset[] = ['ip' => $ip_sql, 'port' => (int)$port];
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}
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if ($compact_mode) {
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$peers = '';
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$peers6 = '';
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foreach ($rowset as $peer) {
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if (!empty($peer['ip'])) {
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$peer_ipv4 = \TorrentPier\Helpers\IPHelper::long2ip_extended($peer['ip']);
|
||
$peers .= inet_pton($peer_ipv4) . pack('n', $peer['port']);
|
||
}
|
||
if (!empty($peer['ipv6'])) {
|
||
$peer_ipv6 = \TorrentPier\Helpers\IPHelper::long2ip_extended($peer['ipv6']);
|
||
$peers6 .= inet_pton($peer_ipv6) . pack('n', $peer['port']);
|
||
}
|
||
}
|
||
} else {
|
||
$peers = [];
|
||
|
||
foreach ($rowset as $peer) {
|
||
if (!empty($peer['ip'])) {
|
||
$peer_ipv4 = \TorrentPier\Helpers\IPHelper::long2ip_extended($peer['ip']);
|
||
$peers[] = ['ip' => \TorrentPier\Helpers\IPHelper::long2ip_extended($peer['ip']), 'port' => (int)$peer['port']];
|
||
}
|
||
if (!empty($peer['ipv6'])) {
|
||
$peer_ipv6 = \TorrentPier\Helpers\IPHelper::long2ip_extended($peer['ipv6']);
|
||
$peers[] = ['ip' => \TorrentPier\Helpers\IPHelper::long2ip_extended($peer['ipv6']), 'port' => (int)$peer['port']];
|
||
}
|
||
}
|
||
}
|
||
|
||
$seeders = $leechers = $client_completed = 0;
|
||
|
||
if ($bb_cfg['tracker']['scrape']) {
|
||
$row = DB()->fetch_row("
|
||
SELECT seeders, leechers, completed
|
||
FROM " . BB_BT_TRACKER_SNAP . "
|
||
WHERE topic_id = $topic_id
|
||
LIMIT 1
|
||
");
|
||
|
||
$seeders = $row['seeders'] ?? ($seeder ? 1 : 0);
|
||
$leechers = $row['leechers'] ?? (!$seeder ? 1 : 0);
|
||
$client_completed = $row['completed'] ?? 0;
|
||
}
|
||
|
||
$output = [
|
||
'interval' => (int)$announce_interval,
|
||
'complete' => (int)$seeders,
|
||
'incomplete' => (int)$leechers,
|
||
'downloaded' => (int)$client_completed,
|
||
];
|
||
|
||
if (!empty($peers)) {
|
||
$output['peers'] = $peers;
|
||
}
|
||
|
||
if (!empty($peers6)) {
|
||
$output['peers6'] = $peers6;
|
||
}
|
||
|
||
$peers_list_cached = CACHE('tr_cache')->set(PEERS_LIST_PREFIX . $topic_id, $output, PEERS_LIST_EXPIRE);
|
||
}
|
||
|
||
$output['external ip'] = inet_pton($ip);
|
||
|
||
// Return data to client
|
||
echo \Arokettu\Bencode\Bencode::encode($output);
|
||
|
||
exit;
|