mirror of
https://github.com/torrentpier/torrentpier.git
synced 2024-11-03 04:00:18 -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
|
||
/**
|
||
* TorrentPier – Bull-powered BitTorrent tracker engine
|
||
*
|
||
* @copyright Copyright (c) 2005-2024 TorrentPier (https://torrentpier.com)
|
||
* @link https://github.com/torrentpier/torrentpier for the canonical source repository
|
||
* @license https://github.com/torrentpier/torrentpier/blob/master/LICENSE MIT License
|
||
*/
|
||
|
||
define('IN_TRACKER', true);
|
||
define('BB_ROOT', './../');
|
||
require dirname(__DIR__) . '/common.php';
|
||
|
||
global $bb_cfg;
|
||
|
||
if (empty($_SERVER['HTTP_USER_AGENT'])) {
|
||
header('Location: http://127.0.0.1', true, 301);
|
||
die;
|
||
}
|
||
|
||
$announce_interval = $bb_cfg['announce_interval'];
|
||
$passkey_key = $bb_cfg['passkey_key'];
|
||
|
||
// Recover info_hash
|
||
if (isset($_GET['?info_hash']) && !isset($_GET['info_hash'])) {
|
||
$_GET['info_hash'] = $_GET['?info_hash'];
|
||
}
|
||
|
||
// Initial request verification
|
||
if (str_contains($_SERVER['REQUEST_URI'], 'scrape')) {
|
||
msg_die('Please disable SCRAPE!');
|
||
}
|
||
|
||
if (!isset($_GET[$passkey_key]) || !is_string($_GET[$passkey_key])) {
|
||
msg_die('Please LOG IN and RE-DOWNLOAD this torrent (passkey not found)');
|
||
}
|
||
|
||
// Input var names
|
||
// String
|
||
$input_vars_str = ['info_hash', 'peer_id', 'event', $passkey_key];
|
||
// Numeric
|
||
$input_vars_num = ['port', 'uploaded', 'downloaded', 'left', 'numwant', 'compact'];
|
||
|
||
// Init received data
|
||
// String
|
||
foreach ($input_vars_str as $var_name) {
|
||
$$var_name = isset($_GET[$var_name]) ? (string)$_GET[$var_name] : null;
|
||
}
|
||
|
||
// Numeric
|
||
foreach ($input_vars_num as $var_name) {
|
||
$$var_name = isset($_GET[$var_name]) ? (float)$_GET[$var_name] : null;
|
||
}
|
||
|
||
// Passkey
|
||
$passkey = $$passkey_key ?? null;
|
||
|
||
// Verify request
|
||
// Required params (info_hash, peer_id, port, uploaded, downloaded, left, passkey)
|
||
if (!isset($peer_id)) {
|
||
msg_die('peer_id was not provided');
|
||
}
|
||
if (strlen($peer_id) !== 20) {
|
||
msg_die('Invalid peer_id: ' . $peer_id);
|
||
}
|
||
|
||
// Check for client ban
|
||
if ($bb_cfg['client_ban']['enabled']) {
|
||
$targetClient = [];
|
||
|
||
foreach ($bb_cfg['client_ban']['clients'] as $clientId => $banReason) {
|
||
if (str_starts_with($peer_id, $clientId)) {
|
||
$targetClient = [
|
||
'peer_id' => $clientId,
|
||
'ban_reason' => $banReason
|
||
];
|
||
break;
|
||
}
|
||
}
|
||
|
||
if ($bb_cfg['client_ban']['only_allow_mode']) {
|
||
if (empty($targetClient['peer_id'])) {
|
||
msg_die('Your BitTorrent client has been banned!');
|
||
}
|
||
} else {
|
||
if (!empty($targetClient['peer_id'])) {
|
||
msg_die(empty($targetClient['ban_reason']) ? 'Your BitTorrent client has been banned!' : $targetClient['ban_reason']);
|
||
}
|
||
}
|
||
}
|
||
|
||
// Verify info_hash
|
||
if (!isset($info_hash)) {
|
||
msg_die('info_hash was not provided');
|
||
}
|
||
|
||
// Store info hash in hex format
|
||
$info_hash_hex = bin2hex($info_hash);
|
||
|
||
// Store peer id
|
||
$peer_id_sql = preg_replace('/[^a-zA-Z0-9\-\_]/', '', $peer_id);
|
||
|
||
// Check info_hash length
|
||
if (strlen($info_hash) !== 20) {
|
||
msg_die('Invalid info_hash: ' . (mb_check_encoding($info_hash, 'UTF8') ? $info_hash : $info_hash_hex));
|
||
}
|
||
|
||
if (!isset($port) || $port < 0 || $port > 0xFFFF) {
|
||
msg_die('Invalid port: ' . $port);
|
||
}
|
||
|
||
if (!isset($uploaded) || $uploaded < 0) {
|
||
msg_die('Invalid uploaded value: ' . $uploaded);
|
||
}
|
||
|
||
if (!isset($downloaded) || $downloaded < 0) {
|
||
msg_die('Invalid downloaded value: ' . $downloaded);
|
||
}
|
||
|
||
if (!isset($left) || $left < 0) {
|
||
msg_die('Invalid left value: ' . $left);
|
||
}
|
||
|
||
// IP
|
||
$ip = $_SERVER['REMOTE_ADDR'];
|
||
|
||
// 'ip' query handling
|
||
if (!$bb_cfg['ignore_reported_ip'] && isset($_GET['ip']) && $ip !== $_GET['ip']) {
|
||
if (!$bb_cfg['verify_reported_ip'] && isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
|
||
$x_ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
|
||
|
||
if ($x_ip === $_GET['ip']) {
|
||
$filteredIp = filter_var($x_ip, FILTER_VALIDATE_IP);
|
||
if ($filteredIp !== false && ($bb_cfg['allow_internal_ip'] || !filter_var($filteredIp, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE))) {
|
||
$ip = $filteredIp;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Check that IP format is valid
|
||
if (!\TorrentPier\Helpers\IPHelper::isValid($ip)) {
|
||
msg_die("Invalid IP: $ip");
|
||
}
|
||
|
||
// Convert IP to long format
|
||
$ip_sql = \TorrentPier\Helpers\IPHelper::ip2long($ip);
|
||
|
||
// Detect IP version
|
||
$ipv4 = $ipv6 = null;
|
||
$ip_version = \TorrentPier\Helpers\IPHelper::isValidv6($ip) ? 'ipv6' : 'ip';
|
||
if ($ip_version === 'ipv6') {
|
||
$ipv6 = $ip_sql;
|
||
} else {
|
||
$ipv4 = $ip_sql;
|
||
}
|
||
|
||
// Peer unique id
|
||
$peer_hash = hash('xxh128', $passkey . $info_hash_hex . $port);
|
||
|
||
// Events
|
||
$stopped = ($event === 'stopped');
|
||
|
||
// Set seeder & complete
|
||
$complete = $seeder = ($left == 0) ? 1 : 0;
|
||
|
||
// Get cached peer info from previous announce (last peer info)
|
||
$lp_info = CACHE('tr_cache')->get(PEER_HASH_PREFIX . $peer_hash);
|
||
|
||
// Stopped event, slice peer's cache life to 30 seconds
|
||
if ($stopped && $lp_info) {
|
||
CACHE('tr_cache')->set(PEER_HASH_PREFIX . $peer_hash, $lp_info, 30);
|
||
}
|
||
|
||
// Drop fast announce
|
||
if ($lp_info && (!isset($event) || !$stopped)) {
|
||
if ($lp_info['ip_ver4'] === $ipv4 || $lp_info['ip_ver6'] === $ipv6 || isset($lp_info['ip_ver4'], $lp_info['ip_ver6'])) {
|
||
if ($lp_cached_peers = CACHE('tr_cache')->get(PEERS_LIST_PREFIX . $lp_info['topic_id'])) {
|
||
drop_fast_announce($lp_info, $lp_cached_peers); // Use cache but with new calculated interval and seed, peer count set
|
||
}
|
||
}
|
||
}
|
||
|
||
// Get last peer info from DB
|
||
if (!CACHE('tr_cache')->used && !$lp_info) {
|
||
$lp_info = DB()->fetch_row("
|
||
SELECT * FROM " . BB_BT_TRACKER . " WHERE peer_hash = '$peer_hash' LIMIT 1
|
||
");
|
||
}
|
||
|
||
if ($lp_info) {
|
||
$user_id = $lp_info['user_id'];
|
||
$topic_id = $lp_info['topic_id'];
|
||
$releaser = $lp_info['releaser'];
|
||
$tor_type = $lp_info['tor_type'];
|
||
$hybrid_unrecord = $lp_info['hybrid_unrecord'] ?? false;
|
||
} else {
|
||
$info_hash_sql = rtrim(DB()->escape($info_hash), ' ');
|
||
|
||
/**
|
||
* Currently torrent clients send truncated v2 hashes (the design raises questions).
|
||
* https://github.com/bittorrent/bittorrent.org/issues/145#issuecomment-1720040343
|
||
*/
|
||
$info_hash_where = "WHERE tor.info_hash = '$info_hash_sql' OR SUBSTRING(tor.info_hash_v2, 1, 20) = '$info_hash_sql'";
|
||
|
||
$passkey_sql = DB()->escape($passkey);
|
||
|
||
$sql = "
|
||
SELECT tor.topic_id, tor.poster_id, tor.tor_type, tor.info_hash, tor.info_hash_v2, u.*
|
||
FROM " . BB_BT_TORRENTS . " tor
|
||
LEFT JOIN " . BB_BT_USERS . " u ON u.auth_key = '$passkey_sql'
|
||
$info_hash_where
|
||
LIMIT 1
|
||
";
|
||
$row = DB()->fetch_row($sql);
|
||
|
||
// Verify if torrent registered on tracker and user authorized
|
||
if (empty($row['topic_id'])) {
|
||
msg_die('Torrent not registered, info_hash = ' . (mb_check_encoding($info_hash, 'UTF8') ? $info_hash : $info_hash_hex));
|
||
}
|
||
if (empty($row['user_id'])) {
|
||
msg_die('Please LOG IN and RE-DOWNLOAD this torrent (user not found)');
|
||
}
|
||
|
||
// Assign variables
|
||
$user_id = $row['user_id'];
|
||
$topic_id = $row['topic_id'];
|
||
$releaser = (int)($user_id == $row['poster_id']);
|
||
$tor_type = $row['tor_type'];
|
||
|
||
// Check hybrid status
|
||
if (!empty($row['info_hash']) && !empty($row['info_hash_v2'])) {
|
||
$stat_protocol = match ((int)$bb_cfg['tracker']['hybrid_stat_protocol']) {
|
||
2 => substr($row['info_hash_v2'], 0, 20),
|
||
default => $row['info_hash'] // 1
|
||
};
|
||
if ($info_hash !== $stat_protocol) {
|
||
$hybrid_unrecord = true; // This allows us to announce only for one info-hash
|
||
}
|
||
}
|
||
|
||
// Ratio limits
|
||
if ((RATIO_ENABLED || $bb_cfg['tracker']['limit_concurrent_ips']) && !$stopped) {
|
||
$user_ratio = get_bt_ratio($row);
|
||
if ($user_ratio === null) {
|
||
$user_ratio = 1;
|
||
}
|
||
$rating_msg = '';
|
||
|
||
if (!$seeder) {
|
||
foreach ($bb_cfg['rating'] as $ratio => $limit) {
|
||
if ($user_ratio < $ratio) {
|
||
$bb_cfg['tracker']['limit_active_tor'] = 1;
|
||
$bb_cfg['tracker']['limit_leech_count'] = $limit;
|
||
$rating_msg = " (ratio < $ratio)";
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
// Limit active torrents
|
||
if (!isset($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))) {
|
||
$sql = "SELECT COUNT(DISTINCT topic_id) AS active_torrents
|
||
FROM " . BB_BT_TRACKER . "
|
||
WHERE user_id = $user_id
|
||
AND seeder = $seeder
|
||
AND topic_id != $topic_id";
|
||
|
||
if (!$seeder && $bb_cfg['tracker']['leech_expire_factor'] && $user_ratio < 0.5) {
|
||
$sql .= " AND update_time > " . (TIMENOW - 60 * $bb_cfg['tracker']['leech_expire_factor']);
|
||
}
|
||
$sql .= " GROUP BY user_id";
|
||
|
||
if ($row = DB()->fetch_row($sql)) {
|
||
if ($seeder && $bb_cfg['tracker']['limit_seed_count'] && $row['active_torrents'] >= $bb_cfg['tracker']['limit_seed_count']) {
|
||
msg_die('Only ' . $bb_cfg['tracker']['limit_seed_count'] . ' torrent(s) allowed for seeding');
|
||
} elseif (!$seeder && $bb_cfg['tracker']['limit_leech_count'] && $row['active_torrents'] >= $bb_cfg['tracker']['limit_leech_count']) {
|
||
msg_die('Only ' . $bb_cfg['tracker']['limit_leech_count'] . ' torrent(s) allowed for leeching' . $rating_msg);
|
||
}
|
||
}
|
||
}
|
||
|
||
// Limit concurrent IPs
|
||
if ($bb_cfg['tracker']['limit_concurrent_ips'] && (($bb_cfg['tracker']['limit_seed_ips'] && $seeder) || ($bb_cfg['tracker']['limit_leech_ips'] && !$seeder))) {
|
||
$sql = "SELECT COUNT(DISTINCT ip) AS ips
|
||
FROM " . BB_BT_TRACKER . "
|
||
WHERE topic_id = $topic_id
|
||
AND user_id = $user_id
|
||
AND seeder = $seeder
|
||
AND $ip_version != '$ip_sql'";
|
||
|
||
if (!$seeder && $bb_cfg['tracker']['leech_expire_factor']) {
|
||
$sql .= " AND update_time > " . (TIMENOW - 60 * $bb_cfg['tracker']['leech_expire_factor']);
|
||
}
|
||
$sql .= " GROUP BY topic_id";
|
||
|
||
if ($row = DB()->fetch_row($sql)) {
|
||
if ($seeder && $bb_cfg['tracker']['limit_seed_ips'] && $row['ips'] >= $bb_cfg['tracker']['limit_seed_ips']) {
|
||
msg_die('You can seed only from ' . $bb_cfg['tracker']['limit_seed_ips'] . " IP's");
|
||
} elseif (!$seeder && $bb_cfg['tracker']['limit_leech_ips'] && $row['ips'] >= $bb_cfg['tracker']['limit_leech_ips']) {
|
||
msg_die('You can leech only from ' . $bb_cfg['tracker']['limit_leech_ips'] . " IP's");
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Up/Down speed
|
||
$speed_up = $speed_down = 0;
|
||
|
||
if ($lp_info && $lp_info['update_time'] < TIMENOW) {
|
||
if ($uploaded > $lp_info['uploaded']) {
|
||
$speed_up = ceil(($uploaded - $lp_info['uploaded']) / (TIMENOW - $lp_info['update_time']));
|
||
}
|
||
if ($downloaded > $lp_info['downloaded']) {
|
||
$speed_down = ceil(($downloaded - $lp_info['downloaded']) / (TIMENOW - $lp_info['update_time']));
|
||
}
|
||
}
|
||
|
||
// Up/Down addition
|
||
$up_add = ($lp_info && $uploaded > $lp_info['uploaded']) ? $uploaded - $lp_info['uploaded'] : 0;
|
||
$down_add = ($lp_info && $downloaded > $lp_info['downloaded']) ? $downloaded - $lp_info['downloaded'] : 0;
|
||
|
||
// Gold/Silver releases
|
||
if ($bb_cfg['tracker']['gold_silver_enabled'] && $down_add) {
|
||
if ($tor_type == TOR_TYPE_GOLD) {
|
||
$down_add = 0;
|
||
} // Silver releases
|
||
elseif ($tor_type == TOR_TYPE_SILVER) {
|
||
$down_add = ceil($down_add / 2);
|
||
}
|
||
}
|
||
|
||
// Freeleech
|
||
if ($bb_cfg['tracker']['freeleech'] && $down_add) {
|
||
$down_add = 0;
|
||
}
|
||
|
||
// Insert / update peer info
|
||
$peer_info_updated = false;
|
||
$update_time = ($stopped) ? 0 : TIMENOW;
|
||
|
||
if ($lp_info && empty($hybrid_unrecord)) {
|
||
$sql = "UPDATE " . BB_BT_TRACKER . " SET update_time = $update_time";
|
||
|
||
$sql .= ", $ip_version = '$ip_sql'";
|
||
$sql .= ", port = '$port'";
|
||
$sql .= ", seeder = $seeder";
|
||
$sql .= ($releaser != $lp_info['releaser']) ? ", releaser = $releaser" : '';
|
||
|
||
$sql .= ($tor_type != $lp_info['tor_type']) ? ", tor_type = $tor_type" : '';
|
||
|
||
$sql .= ($uploaded != $lp_info['uploaded']) ? ", uploaded = $uploaded" : '';
|
||
$sql .= ($downloaded != $lp_info['downloaded']) ? ", downloaded = $downloaded" : '';
|
||
$sql .= ", remain = $left";
|
||
|
||
$sql .= $up_add ? ", up_add = up_add + $up_add" : '';
|
||
$sql .= $down_add ? ", down_add = down_add + $down_add" : '';
|
||
|
||
$sql .= ", speed_up = $speed_up";
|
||
$sql .= ", speed_down = $speed_down";
|
||
|
||
$sql .= ", complete = $complete";
|
||
$sql .= ", peer_id = '$peer_id_sql'";
|
||
|
||
$sql .= " WHERE peer_hash = '$peer_hash'";
|
||
$sql .= " LIMIT 1";
|
||
|
||
DB()->query($sql);
|
||
|
||
$peer_info_updated = DB()->affected_rows();
|
||
}
|
||
|
||
if ((!$lp_info || !$peer_info_updated) && !$stopped && empty($hybrid_unrecord)) {
|
||
$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";
|
||
$values = "'$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'";
|
||
|
||
DB()->query("REPLACE INTO " . BB_BT_TRACKER . " ($columns) VALUES ($values)");
|
||
}
|
||
|
||
// Exit if stopped
|
||
if ($stopped) {
|
||
dummy_exit();
|
||
}
|
||
|
||
// Store peer info in cache
|
||
$lp_info_new = [
|
||
'downloaded' => (float)$downloaded,
|
||
'releaser' => (int)$releaser,
|
||
'seeder' => (int)$seeder,
|
||
'topic_id' => (int)$topic_id,
|
||
'update_time' => (int)TIMENOW,
|
||
'uploaded' => (float)$uploaded,
|
||
'user_id' => (int)$user_id,
|
||
'tor_type' => (int)$tor_type,
|
||
'complete' => (int)$complete,
|
||
'ip_ver4' => $lp_info['ip_ver4'] ?? $ipv4,
|
||
'ip_ver6' => $lp_info['ip_ver6'] ?? $ipv6,
|
||
];
|
||
|
||
if (!empty($hybrid_unrecord)) {
|
||
$lp_info_new['hybrid_unrecord'] = $hybrid_unrecord;
|
||
}
|
||
|
||
// Cache new list with peer hash
|
||
$lp_info_cached = CACHE('tr_cache')->set(PEER_HASH_PREFIX . $peer_hash, $lp_info_new, PEER_HASH_EXPIRE);
|
||
|
||
// Get cached output
|
||
$output = CACHE('tr_cache')->get(PEERS_LIST_PREFIX . $topic_id);
|
||
|
||
if (!$output) {
|
||
// Retrieve peers
|
||
$numwant = (int)$bb_cfg['tracker']['numwant'];
|
||
$compact_mode = ($bb_cfg['tracker']['compact_mode'] || !empty($compact));
|
||
|
||
$rowset = DB()->fetch_rowset("
|
||
SELECT ip, ipv6, port
|
||
FROM " . BB_BT_TRACKER . "
|
||
WHERE topic_id = $topic_id
|
||
ORDER BY seeder ASC, RAND()
|
||
LIMIT $numwant
|
||
");
|
||
|
||
if (empty($rowset)) {
|
||
$rowset[] = ['ip' => $ip_sql, 'port' => (int)$port];
|
||
}
|
||
|
||
if ($compact_mode) {
|
||
$peers = '';
|
||
$peers6 = '';
|
||
|
||
foreach ($rowset as $peer) {
|
||
if (!empty($peer['ip'])) {
|
||
$peer_ipv4 = \TorrentPier\Helpers\IPHelper::long2ip_extended($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;
|