Torrent Tracker basert på PHP?

Rudde · 17. januar 2009

Hei, sitter å leser gjennom TBDev sin announce.php fil og skjønner ikke bæret.

Denne filen kartlegger jo hva brukeren laster opp/ned og slikt..

Hvordan kan jeg lage en Torrent tracker basert på PHP (kun tracker filen) skal ikke ha noen community skal bare få overførst store filer fra PC'en til min VPS server.. (Og kanskje noen andre PC'er [sOM ER MINE]) Altså noen som har vært borti dette tidligere?

announce.php:

Klikk for å se/fjerne spoilerteksten nedenfor

<?php

ob_start("ob_gzhandler");

require_once("include/bittorrent.php");
require_once("include/benc.php");



function err($msg)
{
benc_resp(array("failure reason" => array(type => "string", value => $msg)));
exit();
}

function benc_resp($d)
{
benc_resp_raw(benc(array(type => "dictionary", value => $d)));
}

function benc_resp_raw($x)
{
header("Content-Type: text/plain");
header("Pragma: no-cache");
print($x);
}

$req = "info_hash:peer_id:!ip:port:uploaded:downloaded:left:!event";
foreach (explode(":", $req) as $x)
{
if ($x[0] == "!")
{
	$x = substr($x, 1);
	$opt = 1;
}
else
	$opt = 0;
if (!isset($_GET[$x]))
{
	if (!$opt)
		err("missing key");
	continue;
}
$GLOBALS[$x] = unesc($_GET[$x]);
}

foreach (array("info_hash","peer_id") as $x)
{
if (strlen($GLOBALS[$x]) != 20)
	err("invalid $x (" . strlen($GLOBALS[$x]) . " - " . urlencode($GLOBALS[$x]) . ")");
}

//if (empty($ip) || !preg_match('/^(\d{1,3}\.){3}\d{1,3}$/s', $ip))
$ip = getip();

$port = 0 + $port;
$downloaded = 0 + $downloaded;
$uploaded = 0 + $uploaded;
$left = 0 + $left;

$rsize = 50;
foreach(array("num want", "numwant", "num_want") as $k)
{
if (isset($_GET[$k]))
{
	$rsize = 0 + $_GET[$k];
	break;
}
}

$agent = $_SERVER["HTTP_USER_AGENT"];

// Deny access made with a browser...
if (ereg("^Mozilla\\/", $agent) || ereg("^Opera\\/", $agent) || ereg("^Links ", $agent) || ereg("^Lynx\\/", $agent))
err("torrent not registered with this tracker");

if (!$port || $port > 0xffff)
err("invalid port");

if (!isset($event))
$event = "";

$seeder = ($left == 0) ? "yes" : "no";

dbconn(false);


$res = mysql_query("SELECT id, banned, seeders + leechers AS numpeers, UNIX_TIMESTAMP(added) AS ts FROM torrents WHERE " . hash_where("info_hash", $info_hash));

$torrent = mysql_fetch_assoc($res);
if (!$torrent)
err("torrent not registered with this tracker");

$torrentid = $torrent["id"];

$fields = "seeder, peer_id, ip, port, uploaded, downloaded, userid";

$numpeers = $torrent["numpeers"];
$limit = "";
if ($numpeers > $rsize)
$limit = "ORDER BY RAND() LIMIT $rsize";
$res = mysql_query("SELECT $fields FROM peers WHERE torrent = $torrentid AND connectable = 'yes' $limit");

$resp = "d" . benc_str("interval") . "i" . $announce_interval . "e" . benc_str("peers") . "l";
unset($self);
while ($row = mysql_fetch_assoc($res))
{
$row["peer_id"] = hash_pad($row["peer_id"]);

if ($row["peer_id"] === $peer_id)
{
	$userid = $row["userid"];
	$self = $row;
	continue;
}

$resp .= "d" .
	benc_str("ip") . benc_str($row["ip"]) .
	benc_str("peer id") . benc_str($row["peer_id"]) .
	benc_str("port") . "i" . $row["port"] . "e" .
	"e";
}

$resp .= "ee";

$selfwhere = "torrent = $torrentid AND " . hash_where("peer_id", $peer_id);

if (!isset($self))
{
$res = mysql_query("SELECT $fields FROM peers WHERE $selfwhere");
$row = mysql_fetch_assoc($res);
if ($row)
{
	$userid = $row["userid"];
	$self = $row;
}
}

//// Up/down stats ////////////////////////////////////////////////////////////

if (!isset($self))
{
$rz = mysql_query("SELECT id, uploaded, downloaded, class FROM users WHERE ip='$ip' AND enabled = 'yes' ORDER BY last_access DESC LIMIT 1") or err("Tracker error 2");
if ($MEMBERSONLY && mysql_num_rows($rz) == 0)
	err("Unrecognized host ($ip). Please go to $BASEURL to sign-up or login.");
$az = mysql_fetch_assoc($rz);
$userid = $az["id"];

//	if ($left > 0 && $az["class"] < UC_VIP)
if ($az["class"] < UC_VIP)
{
	$gigs = $az["uploaded"] / (1024*1024*1024);
	$elapsed = floor((gmtime() - $torrent["ts"]) / 3600);
	$ratio = (($az["downloaded"] > 0) ? ($az["uploaded"] / $az["downloaded"]) : 1);
	if ($ratio < 0.5 || $gigs < 5) $wait = 48;
	elseif ($ratio < 0.65 || $gigs < 6.5) $wait = 24;
	elseif ($ratio < 0.8 || $gigs < 8) $wait = 12;
	elseif ($ratio < 0.95 || $gigs < 9.5) $wait = 6;
	else $wait = 0;
	if ($elapsed < $wait)
			err("Not authorized (" . ($wait - $elapsed) . "h) - READ THE FAQ!");
}
}
else
{
$upthis = max(0, $uploaded - $self["uploaded"]);
$downthis = max(0, $downloaded - $self["downloaded"]);

if ($upthis > 0 || $downthis > 0)
	mysql_query("UPDATE users SET uploaded = uploaded + $upthis, downloaded = downloaded + $downthis WHERE id=$userid") or err("Tracker error 3");
}

///////////////////////////////////////////////////////////////////////////////

function portblacklisted($port)
{
// direct connect
if ($port >= 411 && $port <= 413) return true;

// bittorrent
if ($port >= 6881 && $port <= 6889) return true;

// kazaa
if ($port == 1214) return true;

// gnutella
if ($port >= 6346 && $port <= 6347) return true;

// emule
if ($port == 4662) return true;

// winmx
if ($port == 6699) return true;

return false;
}

$updateset = array();

if ($event == "stopped")
{
if (isset($self))
{
	mysql_query("DELETE FROM peers WHERE $selfwhere");
	if (mysql_affected_rows())
	{
		if ($self["seeder"] == "yes")
			$updateset[] = "seeders = seeders - 1";
		else
			$updateset[] = "leechers = leechers - 1";
	}
}
}
else
{
if ($event == "completed")
	$updateset[] = "times_completed = times_completed + 1";

if (isset($self))
{
	mysql_query("UPDATE peers SET uploaded = $uploaded, downloaded = $downloaded, to_go = $left, last_action = NOW(), seeder = '$seeder'"
		. ($seeder == "yes" && $self["seeder"] != $seeder ? ", finishedat = " . time() : "") . " WHERE $selfwhere");
	if (mysql_affected_rows() && $self["seeder"] != $seeder)
	{
		if ($seeder == "yes")
		{
			$updateset[] = "seeders = seeders + 1";
			$updateset[] = "leechers = leechers - 1";
		}
		else
		{
			$updateset[] = "seeders = seeders - 1";
			$updateset[] = "leechers = leechers + 1";
		}
	}
}
else
{
	if (portblacklisted($port))
		err("Port $port is blacklisted.");
	else
	{
		$sockres = @fsockopen($ip, $port, $errno, $errstr, 5);
		if (!$sockres)
			$connectable = "no";
		else
		{
			$connectable = "yes";
			@fclose($sockres);
		}
	}

	$ret = mysql_query("INSERT INTO peers (connectable, torrent, peer_id, ip, port, uploaded, downloaded, to_go, started, last_action, seeder, userid, agent, uploadoffset, downloadoffset) VALUES ('$connectable', $torrentid, " . sqlesc($peer_id) . ", " . sqlesc($ip) . ", $port, $uploaded, $downloaded, $left, NOW(), NOW(), '$seeder', $userid, " . sqlesc($agent) . ", $uploaded, $downloaded)");
	if ($ret)
	{
		if ($seeder == "yes")
			$updateset[] = "seeders = seeders + 1";
		else
			$updateset[] = "leechers = leechers + 1";
	}
}
}

if ($seeder == "yes")
{
if ($torrent["banned"] != "yes")
	$updateset[] = "visible = 'yes'";
$updateset[] = "last_action = NOW()";
}

if (count($updateset))
mysql_query("UPDATE torrents SET " . join(",", $updateset) . " WHERE id = $torrentid");

benc_resp_raw($resp);


?>

bittorrent.php:

Klikk for å se/fjerne spoilerteksten nedenfor

<?

function local_user()
{
 return $_SERVER["SERVER_ADDR"] == $_SERVER["REMOTE_ADDR"];
}
//$FUNDS = "$2,610.31";

$SITE_ONLINE = true;
//$SITE_ONLINE = local_user();
//$SITE_ONLINE = false;

$max_torrent_size = 1000000;
$announce_interval = 60 * 30;
$signup_timeout = 86400 * 3;
$minvotes = 1;
$max_dead_torrent_time = 6 * 3600;

// Max users on site
$maxusers = 75000; // LoL Who we kiddin' here?

// Max users on site
$maxusers = 5000;

// ONLY USE ONE OF THE FOLLOWING DEPENDING ON YOUR O/S!!!
$torrent_dir = "/var/tb/torrents";	# FOR UNIX ONLY - must be writable for httpd user
//$torrent_dir = "C:/web/Apache2/htdocs/tbsource/torrents";	# FOR WINDOWS ONLY - must be writable for httpd user

# the first one will be displayed on the pages
$announce_urls = array();
$announce_urls[] = "http://domain.com:81/announce.php";
$announce_urls[] = "http://domain.com:82/announce.php";
$announce_urls[] = "http://domain.com:83/announce.php";

if ($_SERVER["HTTP_HOST"] == "")						// Root Based Installs Comment Out if in Sub-Dir
 $_SERVER["HTTP_HOST"] = $_SERVER["SERVER_NAME"];	  // Comment out for Sub-Dir Installs
$BASEURL = "http://" . $_SERVER["HTTP_HOST"];		   // Comment out for Sub-Dir Installs

//$BASEURL = 'http://domain.com';					   // Uncomment for Sub-Dir Installs - No Ending Slash

// Set this to your site URL... No ending slash!
$DEFAULTBASEURL = "http://domain.com";

//set this to true to make this a tracker that only registered users may use
$MEMBERSONLY = true;

//maximum number of peers (seeders+leechers) allowed before torrents starts to be deleted to make room...
//set this to something high if you don't require this feature
$PEERLIMIT = 50000;

// Email for sender/return path.
$SITEEMAIL = "[email protected]";

$SITENAME = "TBDEV.NET";

$autoclean_interval = 900;
$pic_base_url = "/pic/";

require_once("secrets.php");
require_once("cleanup.php");

//Do not modify -- versioning system
//This will help identify code for support issues at tbdev.net
define ('TBVERSION','TBDEV.NET-12-09-05');

/**** validip/getip courtesy of manolete <[email protected]> ****/

// IP Validation
function validip($ip)
{
if (!empty($ip) && $ip == long2ip(ip2long($ip)))
{
	// reserved IANA IPv4 addresses
	// http://www.iana.org/assignments/ipv4-address-space
	$reserved_ips = array (
			array('0.0.0.0','2.255.255.255'),
			array('10.0.0.0','10.255.255.255'),
			array('127.0.0.0','127.255.255.255'),
			array('169.254.0.0','169.254.255.255'),
			array('172.16.0.0','172.31.255.255'),
			array('192.0.2.0','192.0.2.255'),
			array('192.168.0.0','192.168.255.255'),
			array('255.255.255.0','255.255.255.255')
	);

	foreach ($reserved_ips as $r)
	{
			$min = ip2long($r[0]);
			$max = ip2long($r[1]);
			if ((ip2long($ip) >= $min) && (ip2long($ip) <= $max)) return false;
	}
	return true;
}
else return false;
}

// Patched function to detect REAL IP address if it's valid
function getip() {
  if (isset($_SERVER)) {
 if (isset($_SERVER['HTTP_X_FORWARDED_FOR']) && validip($_SERVER['HTTP_X_FORWARDED_FOR'])) {
   $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
 } elseif (isset($_SERVER['HTTP_CLIENT_IP']) && validip($_SERVER['HTTP_CLIENT_IP'])) {
   $ip = $_SERVER['HTTP_CLIENT_IP'];
 } else {
   $ip = $_SERVER['REMOTE_ADDR'];
 }
  } else {
 if (getenv('HTTP_X_FORWARDED_FOR') && validip(getenv('HTTP_X_FORWARDED_FOR'))) {
   $ip = getenv('HTTP_X_FORWARDED_FOR');
 } elseif (getenv('HTTP_CLIENT_IP') && validip(getenv('HTTP_CLIENT_IP'))) {
   $ip = getenv('HTTP_CLIENT_IP');
 } else {
   $ip = getenv('REMOTE_ADDR');
 }
  }

  return $ip;
}

function dbconn($autoclean = false)
{
global $mysql_host, $mysql_user, $mysql_pass, $mysql_db;

if (!@mysql_connect($mysql_host, $mysql_user, $mysql_pass))
{
  switch (mysql_errno())
  {
	case 1040:
	case 2002:
		if ($_SERVER[REQUEST_METHOD] == "GET")
			die("<html><head><meta http-equiv=refresh content=\"5 $_SERVER[REQUEST_URI]\"></head><body><table border=0 width=100% height=100%><tr><td><h3 align=center>The server load is very high at the moment. Retrying, please wait...</h3></td></tr></table></body></html>");
		else
			die("Too many users. Please press the Refresh button in your browser to retry.");
	default:
		die("[" . mysql_errno() . "] dbconn: mysql_connect: " . mysql_error());
  }
}
mysql_select_db($mysql_db)
	or die('dbconn: mysql_select_db: ' + mysql_error());

userlogin();

if ($autoclean)
	register_shutdown_function("autoclean");
}


function userlogin() {
global $SITE_ONLINE;
unset($GLOBALS["CURUSER"]);

$ip = getip();
$nip = ip2long($ip);
$res = mysql_query("SELECT * FROM bans WHERE $nip >= first AND $nip <= last") or sqlerr(__FILE__, __LINE__);
if (mysql_num_rows($res) > 0)
{
  header("HTTP/1.0 403 Forbidden");
  print("<html><body><h1>403 Forbidden</h1>Unauthorized IP address.</body></html>\n");
  die;
}

if (!$SITE_ONLINE || empty($_COOKIE["uid"]) || empty($_COOKIE["pass"]))
	return;
$id = 0 + $_COOKIE["uid"];
if (!$id || strlen($_COOKIE["pass"]) != 32)
	return;
$res = mysql_query("SELECT * FROM users WHERE id = $id AND enabled='yes' AND status = 'confirmed'");// or die(mysql_error());
$row = mysql_fetch_array($res);
if (!$row)
	return;
$sec = hash_pad($row["secret"]);
if ($_COOKIE["pass"] !== $row["passhash"])
	return;
mysql_query("UPDATE users SET last_access='" . get_date_time() . "', ip=".sqlesc($ip)." WHERE id=" . $row["id"]);// or die(mysql_error());
$row['ip'] = $ip;
$GLOBALS["CURUSER"] = $row;
}

function autoclean() {
global $autoclean_interval;

$now = time();
$docleanup = 0;

$res = mysql_query("SELECT value_u FROM avps WHERE arg = 'lastcleantime'");
$row = mysql_fetch_array($res);
if (!$row) {
	mysql_query("INSERT INTO avps (arg, value_u) VALUES ('lastcleantime',$now)");
	return;
}
$ts = $row[0];
if ($ts + $autoclean_interval > $now)
	return;
mysql_query("UPDATE avps SET value_u=$now WHERE arg='lastcleantime' AND value_u = $ts");
if (!mysql_affected_rows())
	return;

docleanup();
}

function unesc($x) {
if (get_magic_quotes_gpc())
	return stripslashes($x);
return $x;
}

function mksize($bytes)
{
if ($bytes < 1000 * 1024)
	return number_format($bytes / 1024, 2) . " kB";
elseif ($bytes < 1000 * 1048576)
	return number_format($bytes / 1048576, 2) . " MB";
elseif ($bytes < 1000 * 1073741824)
	return number_format($bytes / 1073741824, 2) . " GB";
else
	return number_format($bytes / 1099511627776, 2) . " TB";
}

function mksizeint($bytes)
{
$bytes = max(0, $bytes);
if ($bytes < 1000)
	return floor($bytes) . " B";
elseif ($bytes < 1000 * 1024)
	return floor($bytes / 1024) . " kB";
elseif ($bytes < 1000 * 1048576)
	return floor($bytes / 1048576) . " MB";
elseif ($bytes < 1000 * 1073741824)
	return floor($bytes / 1073741824) . " GB";
else
	return floor($bytes / 1099511627776) . " TB";
}

function deadtime() {
global $announce_interval;
return time() - floor($announce_interval * 1.3);
}

function mkprettytime($s) {
if ($s < 0)
	$s = 0;
$t = array();
foreach (array("60:sec","60:min","24:hour","0:day") as $x) {
	$y = explode(":", $x);
	if ($y[0] > 1) {
		$v = $s % $y[0];
		$s = floor($s / $y[0]);
	}
	else
		$v = $s;
	$t[$y[1]] = $v;
}

if ($t["day"])
	return $t["day"] . "d " . sprintf("%02d:%02d:%02d", $t["hour"], $t["min"], $t["sec"]);
if ($t["hour"])
	return sprintf("%d:%02d:%02d", $t["hour"], $t["min"], $t["sec"]);
//	if ($t["min"])
	return sprintf("%d:%02d", $t["min"], $t["sec"]);
//	return $t["sec"] . " secs";
}

function mkglobal($vars) {
if (!is_array($vars))
	$vars = explode(":", $vars);
foreach ($vars as $v) {
	if (isset($_GET[$v]))
		$GLOBALS[$v] = unesc($_GET[$v]);
	elseif (isset($_POST[$v]))
		$GLOBALS[$v] = unesc($_POST[$v]);
	else
		return 0;
}
return 1;
}

function tr($x,$y,$noesc=0) {
if ($noesc)
	$a = $y;
else {
	$a = htmlspecialchars($y);
	$a = str_replace("\n", "<br />\n", $a);
}
print("<tr><td class=\"heading\" valign=\"top\" align=\"right\">$x</td><td valign=\"top\" align=left>$a</td></tr>\n");
}

function validfilename($name) {
return preg_match('/^[^-\x1f:\\\\\/?*\xff#<>|]+$/si', $name);
}

function validemail($email) {
return preg_match('/^[\w.-]+@([\w.-]+\.)+[a-z]{2,6}$/is', $email);
}

function sqlesc($x) {
return "'".mysql_real_escape_string($x)."'";
}

function sqlwildcardesc($x) {
return str_replace(array("%","_"), array("\\%","\\_"), mysql_real_escape_string($x));
}

function urlparse($m) {
$t = $m[0];
if (preg_match(',^\w+://,', $t))
	return "<a href=\"$t\">$t</a>";
return "<a href=\"http://$t\">$t</a>";
}

function parsedescr($d, $html) {
if (!$html)
{
  $d = htmlspecialchars($d);
  $d = str_replace("\n", "\n<br>", $d);
}
return $d;
}

function stdhead($title = "", $msgalert = true) {
global $CURUSER, $SITE_ONLINE, $FUNDS, $SITENAME, $pic_base_url;

 if (!$SITE_ONLINE)
die("Site is down for maintenance, please check back again later... thanks<br>");

header("Content-Type: text/html; charset=iso-8859-1");
//header("Pragma: No-cache");
if ($title == "")
	$title = $SITENAME .(isset($_GET['tbv'])?" (".TBVERSION.")":'');
else
	$title = $SITENAME .(isset($_GET['tbv'])?" (".TBVERSION.")":''). " :: " . htmlspecialchars($title);
 if ($CURUSER)
 {
$ss_a = @mysql_fetch_array(@mysql_query("select uri from stylesheets where id=" . $CURUSER["stylesheet"]));
if ($ss_a) $ss_uri = $ss_a["uri"];
 }
 if (!$ss_uri)
 {
($r = mysql_query("SELECT uri FROM stylesheets WHERE id=1")) or die(mysql_error());
($a = mysql_fetch_array($r)) or die(mysql_error());
$ss_uri = $a["uri"];
 }
 if ($msgalert && $CURUSER)
 {
$res = mysql_query("SELECT COUNT(*) FROM messages WHERE receiver=" . $CURUSER["id"] . " && unread='yes'") or die("OopppsY!");
$arr = mysql_fetch_row($res);
$unread = $arr[0];
 }
?>
<html><head>
<title><?= $title ?></title>
<link rel="stylesheet" href="<?=$ss_uri?>" type="text/css">
</head>
<body>

<table width=100% cellspacing=0 cellpadding=0 style='background: transparent'>
<tr>
<td class=clear width=49%>
<!--
<table border=0 cellspacing=0 cellpadding=0 style='background: transparent'>
<tr>

<td class=clear>
<img src="<?=$pic_base_url?>star20.gif" style='margin-right: 10px'>
</td>
<td class=clear>
<font color=white><b>Current funds: <?=$FUNDS?></b></font>
</td>
</tr>
</table>
-->

</td>
<td class=clear>
<div align=center>
<img src="<?=$pic_base_url?>logo.gif" align=center>
</div>
</td>
<td class=clear width=49% align=right>
<a href=donate.php><img src="https://www.paypal.com/en_US/i/btn/x-click-but04.gif" border="0" alt="Make a donation" style='margin-top: 5px'></a>
</td>
</tr></table>
<?php

$w = "width=100%";
//if ($_SERVER["REMOTE_ADDR"] == $_SERVER["SERVER_ADDR"]) $w = "width=984";

?>
<table class=mainouter <?=$w; ?> border="1" cellspacing="0" cellpadding="10">

<!------------- MENU ------------------------------------------------------------------------>

<? $fn = substr($_SERVER['PHP_SELF'], strrpos($_SERVER['PHP_SELF'], "/") + 1); ?>
<tr><td class=outer align=center>
<table class=main width=700 cellspacing="0" cellpadding="5" border="0">
<tr>

<td align="center" class="navigation"><a href=index.php>Home</a></td>
<td align="center" class="navigation"><a href=browse.php>Browse</a></td>
<td align="center" class="navigation"><a href=search.php>Search</a></td>
<td align="center" class="navigation"><a href=upload.php>Upload</a></td>
<? if (!$CURUSER) { ?>
<td align="center" class="navigation">
<a href=login.php>Login</a> / <a href=signup.php>Signup</a>
</td>
<? } else { ?>
<td align="center" class="navigation"><a href=my.php>Profile</a></td>
<? } ?>
<td align="center" class="navigation"><a href=chat.php>Chat</a></td>
<td align="center" class="navigation"><a href=forums.php>Forums</a></td>
<td align="center" class="navigation"><a href=misc/dox.php>DOX</a></td>
<td align="center" class="navigation"><a href=topten.php>Top 10</a></td>
<td align="center" class="navigation"><a href=log.php>Log</a></td>
<td align="center" class="navigation"><a href=rules.php>Rules</a></td>
<td align="center" class="navigation"><a href=faq.php>FAQ</a></td>
<td align="center" class="navigation"><a href=links.php>Links</a></td>
<td align="center" class="navigation"><a href=staff.php>Staff</a></td>
</tr>
</table>
</td>
</tr>
<tr><td align=center class=outer style="padding-top: 20px; padding-bottom: 20px">
<?

if ($unread)
{
 print("<p><table border=0 cellspacing=0 cellpadding=10 bgcolor=red><tr><td style='padding: 10px; background: red'>\n");
 print("<b><a href=inbox.php><font color=white>You have $unread new message" . ($unread > 1 ? "s" : "") . "!</font></a></b>");
 print("</td></tr></table></p>\n");
}

} // stdhead

function stdfoot() {
 global $pic_base_url;
 print("</td></tr></table>\n");
 print("<table class=bottom width=100% border=0 cellspacing=0 cellpadding=0><tr valign=top>\n");
 print("<td class=bottom align=left width=49%><img src=\"{$pic_base_url}bottom_left.gif\"></td><td width=49% align=right class=bottom><img src=\"{$pic_base_url}bottom_right.gif\"></td>\n");
 print("</tr></table>\n");
 print("</body></html>\n");
}

function genbark($x,$y) {
stdhead($y);
print("<h2>" . htmlspecialchars($y) . "</h2>\n");
print("<p>" . htmlspecialchars($x) . "</p>\n");
stdfoot();
exit();
}

function mksecret($len = 20) {
$ret = "";
for ($i = 0; $i < $len; $i++)
	$ret .= chr(mt_rand(0, 255));
return $ret;
}

function httperr($code = 404) {
header("HTTP/1.0 404 Not found");
print("<h1>Not Found</h1>\n");
print("<p>Sorry pal :(</p>\n");
exit();
}

function gmtime()
{
return strtotime(get_date_time());
}

/*
function logincookie($id, $password, $secret, $updatedb = 1, $expires = 0x7fffffff) {
$md5 = md5($secret . $password . $secret);
setcookie("uid", $id, $expires, "/");
setcookie("pass", $md5, $expires, "/");

if ($updatedb)
	mysql_query("UPDATE users SET last_login = NOW() WHERE id = $id");
}
*/

function logincookie($id, $passhash, $updatedb = 1, $expires = 0x7fffffff)
{
setcookie("uid", $id, $expires, "/");
setcookie("pass", $passhash, $expires, "/");

 if ($updatedb)
  mysql_query("UPDATE users SET last_login = NOW() WHERE id = $id");
}


function logoutcookie() {
setcookie("uid", "", 0x7fffffff, "/");
setcookie("pass", "", 0x7fffffff, "/");
}

function loggedinorreturn() {
global $CURUSER;
if (!$CURUSER) {
	header("Location: $BASEURL/login.php?returnto=" . urlencode($_SERVER["REQUEST_URI"]));
	exit();
}
}

function deletetorrent($id) {
global $torrent_dir;
mysql_query("DELETE FROM torrents WHERE id = $id");
foreach(explode(".","peers.files.comments.ratings") as $x)
	mysql_query("DELETE FROM $x WHERE torrent = $id");
unlink("$torrent_dir/$id.torrent");
}

function pager($rpp, $count, $href, $opts = array()) {
$pages = ceil($count / $rpp);

if (!$opts["lastpagedefault"])
	$pagedefault = 0;
else {
	$pagedefault = floor(($count - 1) / $rpp);
	if ($pagedefault < 0)
		$pagedefault = 0;
}

if (isset($_GET["page"])) {
	$page = 0 + $_GET["page"];
	if ($page < 0)
		$page = $pagedefault;
}
else
	$page = $pagedefault;

$pager = "";

$mp = $pages - 1;
$as = "<b><< Prev</b>";
if ($page >= 1) {
	$pager .= "<a href=\"{$href}page=" . ($page - 1) . "\">";
	$pager .= $as;
	$pager .= "</a>";
}
else
	$pager .= $as;
$pager .= "      ";
$as = "<b>Next >></b>";
if ($page < $mp && $mp >= 0) {
	$pager .= "<a href=\"{$href}page=" . ($page + 1) . "\">";
	$pager .= $as;
	$pager .= "</a>";
}
else
	$pager .= $as;

if ($count) {
	$pagerarr = array();
	$dotted = 0;
	$dotspace = 3;
	$dotend = $pages - $dotspace;
	$curdotend = $page - $dotspace;
	$curdotstart = $page + $dotspace;
	for ($i = 0; $i < $pages; $i++) {
		if (($i >= $dotspace && $i <= $curdotend) || ($i >= $curdotstart && $i < $dotend)) {
			if (!$dotted)
				$pagerarr[] = "...";
			$dotted = 1;
			continue;
		}
		$dotted = 0;
		$start = $i * $rpp + 1;
		$end = $start + $rpp - 1;
		if ($end > $count)
			$end = $count;
		$text = "$start - $end";
		if ($i != $page)
			$pagerarr[] = "<a href=\"{$href}page=$i\"><b>$text</b></a>";
		else
			$pagerarr[] = "<b>$text</b>";
	}
	$pagerstr = join(" | ", $pagerarr);
	$pagertop = "<p align=\"center\">$pager<br />$pagerstr</p>\n";
	$pagerbottom = "<p align=\"center\">$pagerstr<br />$pager</p>\n";
}
else {
	$pagertop = "<p align=\"center\">$pager</p>\n";
	$pagerbottom = $pagertop;
}

$start = $page * $rpp;

return array($pagertop, $pagerbottom, "LIMIT $start,$rpp");
}

function downloaderdata($res) {
$rows = array();
$ids = array();
$peerdata = array();
while ($row = mysql_fetch_assoc($res)) {
	$rows[] = $row;
	$id = $row["id"];
	$ids[] = $id;
	$peerdata[$id] = array(downloaders => 0, seeders => 0, comments => 0);
}

if (count($ids)) {
	$allids = implode(",", $ids);
	$res = mysql_query("SELECT COUNT(*) AS c, torrent, seeder FROM peers WHERE torrent IN ($allids) GROUP BY torrent, seeder");
	while ($row = mysql_fetch_assoc($res)) {
		if ($row["seeder"] == "yes")
			$key = "seeders";
		else
			$key = "downloaders";
		$peerdata[$row["torrent"]][$key] = $row["c"];
	}
	$res = mysql_query("SELECT COUNT(*) AS c, torrent FROM comments WHERE torrent IN ($allids) GROUP BY torrent");
	while ($row = mysql_fetch_assoc($res)) {
		$peerdata[$row["torrent"]]["comments"] = $row["c"];
	}
}

return array($rows, $peerdata);
}

function commenttable($rows)
{
global $CURUSER, $pic_base_url;
begin_main_frame();
begin_frame();
$count = 0;
foreach ($rows as $row)
{
	print("<p class=sub>#" . $row["id"] . " by ");
if (isset($row["username"]))
	{
		$title = $row["title"];
		if ($title == "")
			$title = get_user_class_name($row["class"]);
		else
			$title = htmlspecialchars($title);
	print("<a name=comm". $row["id"] .
		" href=userdetails.php?id=" . $row["user"] . "><b>" .
		htmlspecialchars($row["username"]) . "</b></a>" . ($row["donor"] == "yes" ? "<img src=\"{$pic_base_url}star.gif\" alt='Donor'>" : "") . ($row["warned"] == "yes" ? "<img src=".
			"\"{$pic_base_url}warned.gif\" alt=\"Warned\">" : "") . " ($title)\n");
	}
	else
	   print("<a name=\"comm" . $row["id"] . "\"><i>(orphaned)</i></a>\n");

	print(" at " . $row["added"] . " GMT" .
		($row["user"] == $CURUSER["id"] || get_user_class() >= UC_MODERATOR ? "- [<a href=comment.php?action=edit&cid=$row[id]>Edit</a>]" : "") .
		(get_user_class() >= UC_MODERATOR ? "- [<a href=comment.php?action=delete&cid=$row[id]>Delete</a>]" : "") .
		($row["editedby"] && get_user_class() >= UC_MODERATOR ? "- [<a href=comment.php?action=vieworiginal&cid=$row[id]>View original</a>]" : "") . "</p>\n");
	$avatar = ($CURUSER["avatars"] == "yes" ? htmlspecialchars($row["avatar"]) : "");
	if (!$avatar)
		$avatar = "{$pic_base_url}default_avatar.gif";
	$text = format_comment($row["text"]);
if ($row["editedby"])
	$text .= "<p><font size=1 class=small>Last edited by <a href=userdetails.php?id=$row[editedby]><b>$row[username]</b></a> at $row[editedat] GMT</font></p>\n";
	begin_table(true);
	print("<tr valign=top>\n");
	print("<td align=center width=150 style='padding: 0px'><img width=150 src=\"{$avatar}\"></td>\n");
	print("<td class=text>$text</td>\n");
	print("</tr>\n");
 end_table();
 }
end_frame();
end_main_frame();
}

function searchfield($s) {
return preg_replace(array('/[^a-z0-9]/si', '/^\s*/s', '/\s*$/s', '/\s+/s'), array(" ", "", "", " "), $s);
}

function genrelist() {
$ret = array();
$res = mysql_query("SELECT id, name FROM categories ORDER BY name");
while ($row = mysql_fetch_array($res))
	$ret[] = $row;
return $ret;
}

function linkcolor($num) {
if (!$num)
	return "red";
//	if ($num == 1)
//		return "yellow";
return "green";
}

function ratingpic($num) {
global $pic_base_url;
$r = round($num * 2) / 2;
if ($r < 1 || $r > 5)
	return;
return "<img src=\"{$pic_base_url}{$r}.gif\" border=\"0\" alt=\"rating: $num / 5\" />";
}

function torrenttable($res, $variant = "index") {
global $pic_base_url, $CURUSER;

if ($CURUSER["class"] < UC_VIP)
 {
  $gigs = $CURUSER["uploaded"] / (1024*1024*1024);
  $ratio = (($CURUSER["downloaded"] > 0) ? ($CURUSER["uploaded"] / $CURUSER["downloaded"]) : 0);
  if ($ratio < 0.5 || $gigs < 5) $wait = 48;
  elseif ($ratio < 0.65 || $gigs < 6.5) $wait = 24;
  elseif ($ratio < 0.8 || $gigs < 8) $wait = 12;
  elseif ($ratio < 0.95 || $gigs < 9.5) $wait = 6;
  else $wait = 0;
 }
?>
<table border="1" cellspacing=0 cellpadding=5>
<tr>

<td class="colhead" align="center">Type</td>
<td class="colhead" align=left>Name</td>
<!--<td class="heading" align=left>DL</td>-->
<?
if ($wait)
{
	print("<td class=\"colhead\" align=\"center\">Wait</td>\n");
}

if ($variant == "mytorrents")
 {
  print("<td class=\"colhead\" align=\"center\">Edit</td>\n");
print("<td class=\"colhead\" align=\"center\">Visible</td>\n");
}

?>
<td class="colhead" align=right>Files</td>
<td class="colhead" align=right>Comm.</td>
<!--<td class="colhead" align="center">Rating</td>-->
<td class="colhead" align="center">Added</td>
<td class="colhead" align="center">TTL</td>
<td class="colhead" align="center">Size</td>
<!--
<td class="colhead" align=right>Views</td>
<td class="colhead" align=right>Hits</td>
-->
<td class="colhead" align="center">Snatched</td>
<td class="colhead" align=right>Seeders</td>
<td class="colhead" align=right>Leechers</td>
<?

if ($variant == "index")
	print("<td class=\"colhead\" align=center>Upped by</td>\n");

print("</tr>\n");

while ($row = mysql_fetch_assoc($res)) {
	$id = $row["id"];
	print("<tr>\n");

	print("<td align=center style='padding: 0px'>");
	if (isset($row["cat_name"])) {
		print("<a href=\"browse.php?cat=" . $row["category"] . "\">");
		if (isset($row["cat_pic"]) && $row["cat_pic"] != "")
			print("<img border=\"0\" src=\"{$pic_base_url}{$row['cat_pic']}\" alt=\"{$row['cat_name']}\" />");
		else
			print($row["cat_name"]);
		print("</a>");
	}
	else
		print("-");
	print("</td>\n");

	$dispname = htmlspecialchars($row["name"]);
	print("<td align=left><a href=\"details.php?");
	if ($variant == "mytorrents")
		print("returnto=" . urlencode($_SERVER["REQUEST_URI"]) . "&");
	print("id=$id");
	if ($variant == "index")
		print("&hit=1");
	print("\"><b>$dispname</b></a>\n");

			if ($wait)
			{
			  $elapsed = floor((gmtime() - strtotime($row["added"])) / 3600);
		if ($elapsed < $wait)
		{
		  $color = dechex(floor(127*($wait - $elapsed)/48 + 128)*65536);
		  print("<td align=center><nobr><a href=\"faq.php#dl8\"><font color=\"$color\">" . number_format($wait - $elapsed) . " h</font></a></nobr></td>\n");
		}
		else
		  print("<td align=center><nobr>None</nobr></td>\n");
	}

/*
	if ($row["nfoav"] && get_user_class() >= UC_POWER_USER)
	  print("<a href=viewnfo.php?id=$row[id]><img src=\"{$pic_base_url}viewnfo.gif" border=0 alt='View NFO'></a>\n");
	if ($variant == "index")
		print("<a href=\"download.php/$id/" . rawurlencode($row["filename"]) . "\"><img src=\"{$pic_base_url}download.gif\" border=0 alt=Download></a>\n");

	else */ if ($variant == "mytorrents")
		print("<td align=\"center\"><a href=\"edit.php?returnto=" . urlencode($_SERVER["REQUEST_URI"]) . "&id=" . $row["id"] . "\">edit</a>\n");
print("</td>\n");
	if ($variant == "mytorrents") {
		print("<td align=\"right\">");
		if ($row["visible"] == "no")
			print("<b>no</b>");
		else
			print("yes");
		print("</td>\n");
	}

	if ($row["type"] == "single")
		print("<td align=\"right\">" . $row["numfiles"] . "</td>\n");
	else {
		if ($variant == "index")
			print("<td align=\"right\"><b><a href=\"details.php?id=$id&hit=1&filelist=1\">" . $row["numfiles"] . "</a></b></td>\n");
		else
			print("<td align=\"right\"><b><a href=\"details.php?id=$id&filelist=1#filelist\">" . $row["numfiles"] . "</a></b></td>\n");
	}

	if (!$row["comments"])
		print("<td align=\"right\">" . $row["comments"] . "</td>\n");
	else {
		if ($variant == "index")
			print("<td align=\"right\"><b><a href=\"details.php?id=$id&hit=1&tocomm=1\">" . $row["comments"] . "</a></b></td>\n");
		else
			print("<td align=\"right\"><b><a href=\"details.php?id=$id&page=0#startcomments\">" . $row["comments"] . "</a></b></td>\n");
	}

/*
	print("<td align=\"center\">");
	if (!isset($row["rating"]))
		print("---");
	else {
		$rating = round($row["rating"] * 2) / 2;
		$rating = ratingpic($row["rating"]);
		if (!isset($rating))
			print("---");
		else
			print($rating);
	}
	print("</td>\n");
*/
	print("<td align=center><nobr>" . str_replace(" ", "<br />", $row["added"]) . "</nobr></td>\n");
	$ttl = (28*24) - floor((gmtime() - sql_timestamp_to_unix_timestamp($row["added"])) / 3600);
	if ($ttl == 1) $ttl .= "<br>hour"; else $ttl .= "<br>hours";
	print("<td align=center>$ttl</td>\n");
	print("<td align=center>" . str_replace(" ", "<br>", mksize($row["size"])) . "</td>\n");
//		print("<td align=\"right\">" . $row["views"] . "</td>\n");
//		print("<td align=\"right\">" . $row["hits"] . "</td>\n");
	$_s = "";
	if ($row["times_completed"] != 1)
	  $_s = "s";
	print("<td align=center>" . number_format($row["times_completed"]) . "<br>time$_s</td>\n");

	if ($row["seeders"]) {
		if ($variant == "index")
		{
		   if ($row["leechers"]) $ratio = $row["seeders"] / $row["leechers"]; else $ratio = 1;
			print("<td align=right><b><a href=details.php?id=$id&hit=1&toseeders=1><font color=" .
			  get_slr_color($ratio) . ">" . $row["seeders"] . "</font></a></b></td>\n");
		}
		else
			print("<td align=\"right\"><b><a class=\"" . linkcolor($row["seeders"]) . "\" href=\"details.php?id=$id&dllist=1#seeders\">" .
			  $row["seeders"] . "</a></b></td>\n");
	}
	else
		print("<td align=\"right\"><span class=\"" . linkcolor($row["seeders"]) . "\">" . $row["seeders"] . "</span></td>\n");

	if ($row["leechers"]) {
		if ($variant == "index")
			print("<td align=right><b><a href=details.php?id=$id&hit=1&todlers=1>" .
			   number_format($row["leechers"]) . ($peerlink ? "</a>" : "") .
			   "</b></td>\n");
		else
			print("<td align=\"right\"><b><a class=\"" . linkcolor($row["leechers"]) . "\" href=\"details.php?id=$id&dllist=1#leechers\">" .
			  $row["leechers"] . "</a></b></td>\n");
	}
	else
		print("<td align=\"right\">0</td>\n");

	if ($variant == "index")
		print("<td align=center>" . (isset($row["username"]) ? ("<a href=userdetails.php?id=" . $row["owner"] . "><b>" . htmlspecialchars($row["username"]) . "</b></a>") : "<i>(unknown)</i>") . "</td>\n");

	print("</tr>\n");
}

print("</table>\n");

return $rows;
}

function hash_pad($hash) {
return str_pad($hash, 20);
}

function hash_where($name, $hash) {
$shhash = preg_replace('/ *$/s', "", $hash);
return "($name = " . sqlesc($hash) . " OR $name = " . sqlesc($shhash) . ")";
}

function get_user_icons($arr, $big = false)
{
global $pic_base_url;
if ($big)
{
	$donorpic = "starbig.gif";
	$warnedpic = "warnedbig.gif";
	$disabledpic = "disabledbig.gif";
	$style = "style='margin-left: 4pt'";
}
else
{
	$donorpic = "star.gif";
	$warnedpic = "warned.gif";
	$disabledpic = "disabled.gif";
	$style = "style=\"margin-left: 2pt\"";
}
$pics = $arr["donor"] == "yes" ? "<img src=\"{$pic_base_url}{$donorpic}\" alt='Donor' border=0 $style>" : "";
if ($arr["enabled"] == "yes")
	$pics .= $arr["warned"] == "yes" ? "<img src=\"{$pic_base_url}{$warnedpic}\" alt=\"Warned\" border=0 $style>" : "";
else
	$pics .= "<img src=\"{$pic_base_url}{$disabledpic}\" alt=\"Disabled\" border=0 $style>\n";
return $pics;
}

require "global.php";

?>

benc.php:

Klikk for å se/fjerne spoilerteksten nedenfor

<?

/*

Basic knowledge of how bencoding works is assumed. Details can be found
at <http://bitconjurer.org/BitTorrent/protocol.html>.



How to use these functions:

An "object" is defined to be an associative array with at least the keys
"type" and "value" present. The "type" key contains a string which is
one of "string", "integer", "list" or "dictionary". The "value" key
contains the appropriate thing, either a string, an integer, a list which
is just a flat array, or a dictionary, which is an associative array. In
the case of "list" and "dictionary", the values of the contained array
are agaib "objects".



Description of the functions:



string benc($obj);

Takes an object as argument and returns the bencoded form of it as string.
Returns the undefined/unset value on failure.

Examples:

benc(array(type => "string", value => "spam"))		returns "4:spam".
benc(array(type => "integer", value => 3))		returns "i3e".
benc(array(type => "list", value => array(
array(type => "string", value => "spam"),
array(type => "string", value => "eggs")
)))
					returns "l4:spam4:eggse"

benc(array(type => "dictionary", value => array(
cow => array(type => "string", value => "moo"),
spam => array(type => "string", value => "eggs"),
)))
				returns "d3:cow3:moo4:spam4:eggse"




object bdec($str);

Returns the object that results from bdecoding the given string. Note
that those aren't real php objects, but merely "objects" as described
above. The returned objects have two additional keys: "string" and
"strlen". They represent the bencoded form of the returned objects, as
it was given in the original bencoded string. Use this to extract
certain portions of a bencoded string without having to re-encode it
(and avoiding possible re-ordering of dictionary keys). $x["strlen"]
is always equivalent to strlen($x["string"]). The "string" attribute
of the top-level returned object will be the same as the original
bencoded string, unless there's trailing garbage at the end of the
string.

This function returns the undefined/unset value on failure.

Example:

bdec("d4:spaml11:spiced pork3:hamee")
returns this monster:

Array
(
[type] => dictionary
[value] => Array
	(
		[spam] => Array
			(
				[type] => list
				[value] => Array
					(
						[0] => Array
							(
								[type] => string
								[value] => spiced pork
								[strlen] => 14
								[string] => 11:spiced pork
							)

						[1] => Array
							(
								[type] => string
								[value] => ham
								[strlen] => 5
								[string] => 3:ham
							)

					)

				[strlen] => 21
				[string] => l11:spiced pork3:hame
			)

	)

[strlen] => 29
[string] => d4:spaml11:spiced pork3:hamee
)





object bdec_file($filename, $maxsize);

Opens the specified file, reads its contents (up to the specified length),
and returns whatever bdec() returns for those contents. This is a simple
convenience function.

*/

function benc($obj) {
if (!is_array($obj) || !isset($obj["type"]) || !isset($obj["value"]))
	return;
$c = $obj["value"];
switch ($obj["type"]) {
	case "string":
		return benc_str($c);
	case "integer":
		return benc_int($c);
	case "list":
		return benc_list($c);
	case "dictionary":
		return benc_dict($c);
	default:
		return;
}
}

function benc_str($s) {
return strlen($s) . ":$s";
}

function benc_int($i) {
return "i" . $i . "e";
}

function benc_list($a) {
$s = "l";
foreach ($a as $e) {
	$s .= benc($e);
}
$s .= "e";
return $s;
}

function benc_dict($d) {
$s = "d";
$keys = array_keys($d);
sort($keys);
foreach ($keys as $k) {
	$v = $d[$k];
	$s .= benc_str($k);
	$s .= benc($v);
}
$s .= "e";
return $s;
}

function bdec_file($f, $ms) {
$fp = fopen($f, "rb");
if (!$fp)
	return;
$e = fread($fp, $ms);
fclose($fp);
return bdec($e);
}

function bdec($s) {
if (preg_match('/^(\d+):/', $s, $m)) {
	$l = $m[1];
	$pl = strlen($l) + 1;
	$v = substr($s, $pl, $l);
	$ss = substr($s, 0, $pl + $l);
	if (strlen($v) != $l)
		return;
	return array(type => "string", value => $v, strlen => strlen($ss), string => $ss);
}
if (preg_match('/^i(\d+)e/', $s, $m)) {
	$v = $m[1];
	$ss = "i" . $v . "e";
	if ($v === "-0")
		return;
	if ($v[0] == "0" && strlen($v) != 1)
		return;
	return array(type => "integer", value => $v, strlen => strlen($ss), string => $ss);
}
switch ($s[0]) {
	case "l":
		return bdec_list($s);
	case "d":
		return bdec_dict($s);
	default:
		return;
}
}

function bdec_list($s) {
if ($s[0] != "l")
	return;
$sl = strlen($s);
$i = 1;
$v = array();
$ss = "l";
for (;;) {
	if ($i >= $sl)
		return;
	if ($s[$i] == "e")
		break;
	$ret = bdec(substr($s, $i));
	if (!isset($ret) || !is_array($ret))
		return;
	$v[] = $ret;
	$i += $ret["strlen"];
	$ss .= $ret["string"];
}
$ss .= "e";
return array(type => "list", value => $v, strlen => strlen($ss), string => $ss);
}

function bdec_dict($s) {
if ($s[0] != "d")
	return;
$sl = strlen($s);
$i = 1;
$v = array();
$ss = "d";
for (;;) {
	if ($i >= $sl)
		return;
	if ($s[$i] == "e")
		break;
	$ret = bdec(substr($s, $i));
	if (!isset($ret) || !is_array($ret) || $ret["type"] != "string")
		return;
	$k = $ret["value"];
	$i += $ret["strlen"];
	$ss .= $ret["string"];
	if ($i >= $sl)
		return;
	$ret = bdec(substr($s, $i));
	if (!isset($ret) || !is_array($ret))
		return;
	$v[$k] = $ret;
	$i += $ret["strlen"];
	$ss .= $ret["string"];
}
$ss .= "e";
return array(type => "dictionary", value => $v, strlen => strlen($ss), string => $ss);
}

?>

[/spolier]

<?php

 ob_start("ob_gzhandler");

 require_once("include/bittorrent.php");
 require_once("include/benc.php");



 function err($msg)
 {
  benc_resp(array("failure reason" => array(type => "string", value => $msg)));
  exit();
 }

 function benc_resp($d)
 {
  benc_resp_raw(benc(array(type => "dictionary", value => $d)));
 }

 function benc_resp_raw($x)
 {
  header("Content-Type: text/plain");
  header("Pragma: no-cache");
  print($x);
 }

 $req = "info_hash:peer_id:!ip:port:uploaded:downloaded:left:!event";
 foreach (explode(":", $req) as $x)
 {
  if ($x[0] == "!")
  {
	  $x = substr($x, 1);
	  $opt = 1;
  }
  else
	  $opt = 0;
  if (!isset($_GET[$x]))
  {
	  if (!$opt)
		  err("missing key");
	  continue;
  }
  $GLOBALS[$x] = unesc($_GET[$x]);
 }

 foreach (array("info_hash","peer_id") as $x)
 {
  if (strlen($GLOBALS[$x]) != 20)
	  err("invalid $x (" . strlen($GLOBALS[$x]) . " - " . urlencode($GLOBALS[$x]) . ")");
 }

 //if (empty($ip) || !preg_match('/^(\d{1,3}\.){3}\d{1,3}$/s', $ip))
  $ip = getip();

 $port = 0 + $port;
 $downloaded = 0 + $downloaded;
 $uploaded = 0 + $uploaded;
 $left = 0 + $left;

 $rsize = 50;
 foreach(array("num want", "numwant", "num_want") as $k)
 {
  if (isset($_GET[$k]))
  {
	  $rsize = 0 + $_GET[$k];
	  break;
  }
 }

 $agent = $_SERVER["HTTP_USER_AGENT"];

 // Deny access made with a browser...
 if (ereg("^Mozilla\\/", $agent) || ereg("^Opera\\/", $agent) || ereg("^Links ", $agent) || ereg("^Lynx\\/", $agent))
  err("torrent not registered with this tracker");

 if (!$port || $port > 0xffff)
  err("invalid port");

 if (!isset($event))
  $event = "";

 $seeder = ($left == 0) ? "yes" : "no";

 dbconn(false);


 $res = mysql_query("SELECT id, banned, seeders + leechers AS numpeers, UNIX_TIMESTAMP(added) AS ts FROM torrents WHERE " . hash_where("info_hash", $info_hash));

 $torrent = mysql_fetch_assoc($res);
 if (!$torrent)
  err("torrent not registered with this tracker");

 $torrentid = $torrent["id"];

 $fields = "seeder, peer_id, ip, port, uploaded, downloaded, userid";

 $numpeers = $torrent["numpeers"];
 $limit = "";
 if ($numpeers > $rsize)
  $limit = "ORDER BY RAND() LIMIT $rsize";
 $res = mysql_query("SELECT $fields FROM peers WHERE torrent = $torrentid AND connectable = 'yes' $limit");

 $resp = "d" . benc_str("interval") . "i" . $announce_interval . "e" . benc_str("peers") . "l";
 unset($self);
 while ($row = mysql_fetch_assoc($res))
 {
  $row["peer_id"] = hash_pad($row["peer_id"]);

  if ($row["peer_id"] === $peer_id)
  {
	  $userid = $row["userid"];
	  $self = $row;
	  continue;
  }

  $resp .= "d" .
	  benc_str("ip") . benc_str($row["ip"]) .
	  benc_str("peer id") . benc_str($row["peer_id"]) .
	  benc_str("port") . "i" . $row["port"] . "e" .
	  "e";
 }

 $resp .= "ee";

 $selfwhere = "torrent = $torrentid AND " . hash_where("peer_id", $peer_id);

 if (!isset($self))
 {
  $res = mysql_query("SELECT $fields FROM peers WHERE $selfwhere");
  $row = mysql_fetch_assoc($res);
  if ($row)
  {
	  $userid = $row["userid"];
	  $self = $row;
  }
 }

 //// Up/down stats ////////////////////////////////////////////////////////////

 if (!isset($self))
 {
  $rz = mysql_query("SELECT id, uploaded, downloaded, class FROM users WHERE ip='$ip' AND enabled = 'yes' ORDER BY last_access DESC LIMIT 1") or err("Tracker error 2");
  if ($MEMBERSONLY && mysql_num_rows($rz) == 0)
	  err("Unrecognized host ($ip). Please go to $BASEURL to sign-up or login.");
  $az = mysql_fetch_assoc($rz);
  $userid = $az["id"];

 //	if ($left > 0 && $az["class"] < UC_VIP)
  if ($az["class"] < UC_VIP)
  {
	  $gigs = $az["uploaded"] / (1024*1024*1024);
	  $elapsed = floor((gmtime() - $torrent["ts"]) / 3600);
	  $ratio = (($az["downloaded"] > 0) ? ($az["uploaded"] / $az["downloaded"]) : 1);
	  if ($ratio < 0.5 || $gigs < 5) $wait = 48;
	  elseif ($ratio < 0.65 || $gigs < 6.5) $wait = 24;
	  elseif ($ratio < 0.8 || $gigs < 8) $wait = 12;
	  elseif ($ratio < 0.95 || $gigs < 9.5) $wait = 6;
	  else $wait = 0;
	  if ($elapsed < $wait)
			  err("Not authorized (" . ($wait - $elapsed) . "h) - READ THE FAQ!");
  }
 }
 else
 {
  $upthis = max(0, $uploaded - $self["uploaded"]);
  $downthis = max(0, $downloaded - $self["downloaded"]);

  if ($upthis > 0 || $downthis > 0)
	  mysql_query("UPDATE users SET uploaded = uploaded + $upthis, downloaded = downloaded + $downthis WHERE id=$userid") or err("Tracker error 3");
 }

 ///////////////////////////////////////////////////////////////////////////////

 function portblacklisted($port)
 {
  // direct connect
  if ($port >= 411 && $port <= 413) return true;

  // bittorrent
  if ($port >= 6881 && $port <= 6889) return true;

  // kazaa
  if ($port == 1214) return true;

  // gnutella
  if ($port >= 6346 && $port <= 6347) return true;

  // emule
  if ($port == 4662) return true;

  // winmx
  if ($port == 6699) return true;

  return false;
 }

 $updateset = array();

 if ($event == "stopped")
 {
  if (isset($self))
  {
	  mysql_query("DELETE FROM peers WHERE $selfwhere");
	  if (mysql_affected_rows())
	  {
		  if ($self["seeder"] == "yes")
			  $updateset[] = "seeders = seeders - 1";
		  else
			  $updateset[] = "leechers = leechers - 1";
	  }
  }
 }
 else
 {
  if ($event == "completed")
	  $updateset[] = "times_completed = times_completed + 1";

  if (isset($self))
  {
	  mysql_query("UPDATE peers SET uploaded = $uploaded, downloaded = $downloaded, to_go = $left, last_action = NOW(), seeder = '$seeder'"
		  . ($seeder == "yes" && $self["seeder"] != $seeder ? ", finishedat = " . time() : "") . " WHERE $selfwhere");
	  if (mysql_affected_rows() && $self["seeder"] != $seeder)
	  {
		  if ($seeder == "yes")
		  {
			  $updateset[] = "seeders = seeders + 1";
			  $updateset[] = "leechers = leechers - 1";
		  }
		  else
		  {
			  $updateset[] = "seeders = seeders - 1";
			  $updateset[] = "leechers = leechers + 1";
		  }
	  }
  }
  else
  {
	  if (portblacklisted($port))
		  err("Port $port is blacklisted.");
	  else
	  {
		  $sockres = @fsockopen($ip, $port, $errno, $errstr, 5);
		  if (!$sockres)
			  $connectable = "no";
		  else
		  {
			  $connectable = "yes";
			  @fclose($sockres);
		  }
	  }

	  $ret = mysql_query("INSERT INTO peers (connectable, torrent, peer_id, ip, port, uploaded, downloaded, to_go, started, last_action, seeder, userid, agent, uploadoffset, downloadoffset) VALUES ('$connectable', $torrentid, " . sqlesc($peer_id) . ", " . sqlesc($ip) . ", $port, $uploaded, $downloaded, $left, NOW(), NOW(), '$seeder', $userid, " . sqlesc($agent) . ", $uploaded, $downloaded)");
	  if ($ret)
	  {
		  if ($seeder == "yes")
			  $updateset[] = "seeders = seeders + 1";
		  else
			  $updateset[] = "leechers = leechers + 1";
	  }
  }
 }

 if ($seeder == "yes")
 {
  if ($torrent["banned"] != "yes")
	  $updateset[] = "visible = 'yes'";
  $updateset[] = "last_action = NOW()";
 }

 if (count($updateset))
  mysql_query("UPDATE torrents SET " . join(",", $updateset) . " WHERE id = $torrentid");

 benc_resp_raw($resp);


 ?>

Endret 18. januar 2009 av Rudde93

Wackamole · 18. januar 2009

require_once("include/bittorrent.php");

require_once("include/benc.php");

Du trenger disse filene først og fremst. - men er litt usikker på hvordan man gjør det, har du søkt på google? - php bittorrent tracker

Martin A. · 18. januar 2009

Kan du ikke bruke µtorrent's interne tracker, istede for å ta den digre omveien du nå tar?

http://utorrent.com/faq.php#Does_.C2.B5Tor...dded_tracker.3F

Rudde · 18. januar 2009

La til de manglende filene, og jeg vil ha trackeren som en php fil..

18. januar 2009

Er egentlig ganske enkelt å lage en selv, torrent klienten sender forespørsel til tracker via http requests. Det du må gjøre er å ta torrent-id'en ifra request og gi tilbake en bencodet liste av peers. Du kan se hvordan dette skal se ut dersom du sender requests til en public tracker via browseren din.

Les mer om hvordan ting skal gjøres i den offisiele spesifikasjonen

her.

AlecTBM · 19. januar 2009

https://www.diskusjon.no/index.php?showtopic=767745

Her har du en torrent tracker jeg og en kammerat skulle bruke til et nettsamfunn

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Torrent Tracker basert på PHP?

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