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trigunflame 2010-01-23 22:08:58 +00:00 committed by Johannes Dewender
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PeerTracker Changelog
--------------------------------------------------------------------------------------
v0.1.3 | 01.20.2010
--------------------------------------------------------------------------------------
* CHANGED
* ALL
* fixed failure to assign returned data from stripslashes
v0.1.2 | 11.18.2009
--------------------------------------------------------------------------------------
* CHANGED
* MYSQL
* small bug in the garbage collection routine interval.
v0.1.1 | 10.31.2009
--------------------------------------------------------------------------------------
* NEW
* ALL
* implemented support for full scrapes.
* tracker statistics (peers,seeds,leechers,torrents) output via html, xml & json
* MySQL
* database prefixes, allows multiple trackers to be ran from a single db
* support for persistant connections (via mysql or mysqli (php >= 5.3))
* CHANGED
* MySQL
* database schema changed slightly, resulting in more efficient table rows.
v0.1.0 | 10.24.2009
--------------------------------------------------------------------------------------
* NEW
* ALL
* completed /announce and partial /scrape support.

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Please take a look at Readme.txt

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If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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PeerTracker - Simple, Efficient and Fast BitTorent Tracker
--------------------------------------------------------------------------------------
What Do You Need?
--------------------------------------------------------------------------------------
* Requirements:
* HTTP Web Server. Apache, Nginx, lighttpd etc., anything that supports PHP.
* PHP 5+, Highly recommend the latest release or 5.3+, as it comes with SQLite3
integrated.
* Note: PHP 4 was discontinued in 07', PHP 5 has been around for 5+ years.
* If your host has not upgraded by now; Get Another Host, because they are failing
to do their job in keeping their servers software updated, hence ripping you off.
* Database Support. Must use one of the following.
* SQLite3 via PHP 5.3
* MySQL 4.1+, Highly recommend the latest release or 5.1+. (Coming Soon)
* Note: MySQL 4.1 was discontinued in 06', MySQL 5+ has been around for 4+ years.
* PostgreSQL 8.0+, recommend the latest release or 8.4+. (Coming Soon)
* txtSQL, Written entirely in PHP; performance is reflected in that. (Coming Soon)
* Optional:
* .htaccess & mod_rewrite suppport.
* If you want to use /announce & /scrape without the .php file type extensions.
Which Database System Should You Use?
--------------------------------------------------------------------------------------
* SQLite3
* Pros:
* Comes integrated with PHP 5.3.
* Fantastic speed when using simple queries.
* Single database file, no network connection overhead.
* Cons:
* Not designed for heavily loaded multi-user environments. I have not yet
tested this database system in a Real World Environment that experiences
several thousand Requests/s, but it should work fine for the typical tracker.
* Summary:
* Use this if you have a relatively small to medium sized tracker, and/or
don't have access to any of the other more robust database servers.
* MySQL (Recommended), at least 4.1+, suggest 5.1+
* Pros:
* Performance is great all around.
* Has been proven reliable and is production stable in multi-user environments.
* Most common database used on the average non-corporate based website.
* Cons:
* Nothing significant as relates to it's use in PeerTracker.
* Summary:
* Use this database system if available. It's the most widely support database
in shared hosting environments and any decent host offers them.
* PostgreSQL (Coming Soon)
* Pros: TODO
* Cons: TODO
* Summary: TODO
Quick Install Guide
--------------------------------------------------------------------------------------
PeerTracker is packaged in standalone versions. Each version is contained in it's
own designated directory labeled by it's respectively used database system.
For example, if you wanted to use MySQL for your tracker's database:
1. upload ./help.php to your tracker's document directory.
2. followed by uploading all of the files 'inside' of the ./mysql/ directory as well.
3. edit the configuration section at the top of the tracker.mysql.php file.
4. run ./help.php from your browser and install the tracker database
5. remove ./help.php and you have now installed the MySQL edition of PeerTracker.
These same steps should be followed for whichever database system you choose to use.
Step by Step Install Guide
--------------------------------------------------------------------------------------
1. upload ./help.php to your tracker's document directory.
2. run the uploaded script from your site.
* example:
* http://tracker.yoursite.com/help.php
3. check out the information, this will let you know what your server supports.
4. after deciding which database system you would like to use, upload the files 'inside'
of the respectively named directory to your trackers top web accessible directory.
* example:
* http://tracker.yoursite.com/announce.php
* http://tracker.yoursite.com/scrape.php
* etc...
5. edit the configuration file. it will contain all of the settings needed to run
the tracker, such as path to the database, host, user, pass, port etc. it will
be named according to the database being used.
* example:
* http://tracker.yoursite.com/tracker.sqlite3.php
* http://tracker.yoursite.com/tracker.mysql.php
* etc...
6. included are .htaccess files, they help PeerTracker to support the typical url
format ie. http://tracker.your.site/announce (notice, no .php extension). not
all webservers fully support these files, either because they don't recognize
them or because they have them disabled; if you notice them causing any problems
just remove them, they're not necessary for successful tracker operation.
7. run the ./help.php file again, and proceed to install the tracker database.
* example:
* http://tracker.yoursite.com/help.php
8. delete ./help.php from your tracker's document directory.
9. finished tracker setup.
* now, you can use the following url for tracking:
* http://tracker.yoursite.com/announce
* or the extended url, if your server doesnt support .htaccess files:
* http://tracker.yoursite.com/announce.php
SQLite3 Installation Notes
--------------------------------------------------------------------------------------
Make sure to give write permissions 0777 to the 'DB' database directory or whichever
directory you chose to store the SQLite3 Database file.
This is Required for PeerTracker? to automate installation of database tables upon
first use or after suffering a corruption.
Important Links:
--------------------------------------------------------------------------------------
Development Website: http://code.google.com/p/peertracker/
Issue Tracker: http://code.google.com/p/peertracker/issues/list
Source Code Repository: http://peertracker.googlecode.com/svn/trunk/
Misc Credits:
--------------------------------------------------------------------------------------
The project icon is (to my knowledge) licensed under the Creative Commons,
Attribution-Noncommercial-No Derivative Works 3.0. Whomever designed it,
feel free to contact me and I will give appropriate credit to said person.

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PeerTracker - Simple, Efficient and Fast BitTorent Tracker
-------------------------------------------------------------------------------------
Since PeerTracker is so small, there is not much that goes into upgrading from
one release to the next. However, there could be small table changes in the
database schema for example and it might cause some problems.
I'd suggest you run ./help.php that comes with PeerTracker after uploading the
new files to your server. It has some utility functions that will allow it to
wipe the database and re-create the new structures.

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Utilizing PeerTracker to Track Torrents
--------------------------------------------------------------------------------------
1. Follow the directions located in (Readme.txt) to install a copy of PeerTracker.
2. Give out your newly created announce url (http://yourtracker.com/announce or
http://yourtracker.com/announce.php) - either should work, however the former may
not if your server does not support mod_rewrite via the .htaccess files; in such
case use the latter.
3. Your scrape URL works just the same as above. Using /scrape instead of /announce.
3. Access your trackers statistics via (http://yourtracker.com/scrape?stats)
You can also specify the format you would like returned, default being html.
?stats=xml returns xml and ?stats=json returns json.

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Options -Indexes
RewriteEngine on
RewriteRule ^announce$ announce.php [NC,L]
RewriteRule ^scrape$ scrape.php [NC,L]

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: announce.php 161 2010-01-20 17:49:50Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Enviroment Runtime //////////////////////////////////////////////////////////////////////////////
// error level
error_reporting(E_ERROR | E_PARSE);
//error_reporting(E_ALL & ~E_WARNING);
//error_reporting(E_ALL | E_STRICT | E_DEPRECATED);
// ignore disconnects
ignore_user_abort(true);
// load tracker core
require './tracker.mysql.php';
// Verify Request //////////////////////////////////////////////////////////////////////////////////
// strip auto-escaped data
if (get_magic_quotes_gpc())
{
$_GET['info_hash'] = stripslashes($_GET['info_hash']);
$_GET['peer_id'] = stripslashes($_GET['peer_id']);
}
// 20-bytes - info_hash
// sha-1 hash of torrent metainfo
if (!isset($_GET['info_hash']) || strlen($_GET['info_hash']) != 20) exit;
// 20-bytes - peer_id
// client generated unique peer identifier
if (!isset($_GET['peer_id']) || strlen($_GET['peer_id']) != 20) exit;
// integer - port
// port the client is accepting connections from
if (!(isset($_GET['port']) && is_numeric($_GET['port']))) tracker_error('client listening port is invalid');
// integer - left
// number of bytes left for the peer to download
if (isset($_GET['left']) && is_numeric($_GET['left'])) $_SERVER['tracker']['seeding'] = ($_GET['left'] > 0 ? 0 : 1); else tracker_error('client data left field is invalid');
// integer boolean - compact - optional
// send a compact peer response
// http://bittorrent.org/beps/bep_0023.html
if (!isset($_GET['compact']) || $_SERVER['tracker']['force_compact']) $_GET['compact'] = 1; else $_GET['compact'] += 0;
// integer boolean - no_peer_id - optional
// omit peer_id in dictionary announce response
if (!isset($_GET['no_peer_id'])) $_GET['no_peer_id'] = 0; else $_GET['no_peer_id'] += 0;
// string - ip - optional
// ip address the peer requested to use
if (isset($_GET['ip']) && $_SERVER['tracker']['external_ip'])
{
// dotted decimal only
$_GET['ip'] = trim($_GET['ip'],'::ffff:');
if (!ip2long($_GET['ip'])) tracker_error('invalid ip, dotted decimal only');
}
// set ip to connected client
elseif (isset($_SERVER['REMOTE_ADDR'])) $_GET['ip'] = trim($_SERVER['REMOTE_ADDR'],'::ffff:');
// cannot locate suitable ip, must abort
else tracker_error('could not locate clients ip');
// integer - numwant - optional
// number of peers that the client has requested
if (!isset($_GET['numwant'])) $_GET['numwant'] = $_SERVER['tracker']['default_peers'];
elseif (($_GET['numwant']+0) > $_SERVER['tracker']['max_peers']) $_GET['numwant'] = $_SERVER['tracker']['max_peers'];
else $_GET['numwant'] += 0;
// Handle Request //////////////////////////////////////////////////////////////////////////////////
// open database
peertracker::open();
// make info_hash & peer_id SQL friendly
$_GET['info_hash'] = peertracker::$api->escape_sql($_GET['info_hash']);
$_GET['peer_id'] = peertracker::$api->escape_sql($_GET['peer_id']);
// announce peers
peertracker::peers();
// track client
peertracker::event();
// garbage collection
peertracker::clean();
// close database
peertracker::close();
?>

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: scrape.php 161 2010-01-20 17:49:50Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Enviroment Runtime //////////////////////////////////////////////////////////////////////////////
// error level
error_reporting(E_ERROR | E_PARSE);
//error_reporting(E_ALL & ~E_WARNING);
//error_reporting(E_ALL | E_STRICT | E_DEPRECATED);
// ignore disconnects
ignore_user_abort(true);
// load tracker core
require './tracker.mysql.php';
// Verify Request //////////////////////////////////////////////////////////////////////////////////
// tracker statistics
if (isset($_GET['stats']))
{
// open database
peertracker::open();
// display stats
peertracker::stats();
// close database
peertracker::close();
// exit immediately
exit;
}
// strip auto-escaped data
if (get_magic_quotes_gpc()) $_GET['info_hash'] = stripslashes($_GET['info_hash']);
// 20-bytes - info_hash
// sha-1 hash of torrent being tracked
if (!isset($_GET['info_hash']) || strlen($_GET['info_hash']) != 20)
{
// full scrape disabled
if (!$_SERVER['tracker']['full_scrape']) exit;
// full scrape enabled
else unset($_GET['info_hash']);
}
// Handle Request //////////////////////////////////////////////////////////////////////////////////
// open database
peertracker::open();
// perform scrape
peertracker::scrape();
// close database
peertracker::close();
?>

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: tracker.mysql.php 164 2010-01-23 22:08:58Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Configuration ///////////////////////////////////////////////////////////////////////////////////
// tracker state
$_SERVER['tracker'] = array(
// general tracker options
'open_tracker' => true, /* track anything announced to it */
'announce_interval' => 1800, /* how often client will send requests */
'min_interval' => 900, /* how often client can force requests */
'default_peers' => 50, /* default # of peers to announce */
'max_peers' => 100, /* max # of peers to announce */
// advanced tracker options
'external_ip' => true, /* allow client to specify ip address */
'force_compact' => false, /* force compact announces only */
'full_scrape' => false, /* allow scrapes without info_hash */
'random_limit' => 500, /* if peers > #, use alternate SQL RAND() */
'clean_idle_peers' => 10, /* tweaks % of time tracker attempts idle peer removal */
/* if you have a busy tracker, you may adjust this */
/* example: 10 = 10%, 20 = 5%, 50 = 2%, 100 = 1% */
// database options
'db_host' => 'localhost', /* ip or hostname to mysql server */
'db_user' => 'root', /* username used to connect to mysql */
'db_pass' => '', /* password used to connect to mysql */
'db_name' => 'peertracker', /* name of the PeerTracker database */
// advanced database options
'db_prefix' => 'pt_', /* name prefixes for the PeerTracker tables */
'db_persist' => false, /* use persistent connections if available. */
);
// Tracker Operations //////////////////////////////////////////////////////////////////////////////
// fatal error, stop execution
function tracker_error($error)
{
exit('d14:failure reason' . strlen($error) . ":{$error}e");
}
// MySQL Database API //////////////////////////////////////////////////////////////////////////////
// mysql core
class peertracker_mysql
{
// database connection
public $db;
// connect to database
public function __construct()
{
// attempt to connect
if (
// connection method
!$this->db = (!$_SERVER['tracker']['db_persist'] ?
// default connection
mysql_connect(
$_SERVER['tracker']['db_host'],
$_SERVER['tracker']['db_user'],
$_SERVER['tracker']['db_pass']
) :
// persistent connection
mysql_pconnect(
$_SERVER['tracker']['db_host'],
$_SERVER['tracker']['db_user'],
$_SERVER['tracker']['db_pass']
)
// select database
) OR !mysql_select_db(
$_SERVER['tracker']['db_name'], $this->db
)
// error out if something happened
) tracker_error(
mysql_errno($this->db) . ' - ' .
mysql_error($this->db)
);
}
// close database connection
public function __destruct()
{
mysql_close($this->db);
}
// make sql safe
public function escape_sql($sql)
{
return mysql_real_escape_string($sql, $this->db);
}
// query database
public function query($sql)
{
return mysql_query($sql, $this->db);
}
// return one row
public function fetch_once($sql)
{
// execute query
$query = mysql_query($sql, $this->db) OR tracker_error(mysql_error($this->db));
$result = mysql_fetch_row($query);
// cleanup
mysql_free_result($query);
// return
return $result;
}
// return compact peers
public function peers_compact($sql, &$peers)
{
// fetch peers
$query = mysql_query($sql, $this->db) OR tracker_error('failed to select compact peers');
// build response
while($peer = mysql_fetch_row($query)) $peers .= $peer[0];
// cleanup
mysql_free_result($query);
}
// return dictionary peers
public function peers_dictionary($sql, &$response)
{
// fetch peers
$query = mysql_query($sql, $this->db) OR tracker_error('failed to select peers');
// dotted decimal string ip, 20-byte peer_id, integer port
while($peer = mysql_fetch_row($query)) $response .= 'd2:ip' . strlen($peer[1]) . ":{$peer[1]}" . "7:peer id20:{$peer[0]}4:porti{$peer[2]}ee";
// cleanup
mysql_free_result($query);
}
// return dictionary peers without peer_id
public function peers_dictionary_no_peer_id($sql, &$response)
{
// fetch peers
$query = mysql_query($sql, $this->db) OR tracker_error('failed to select peers');
// dotted decimal string ip, integer port
while($peer = mysql_fetch_row($query)) $response .= 'd2:ip' . strlen($peer[0]) . ":{$peer[0]}4:porti{$peer[1]}ee";
// cleanup
mysql_free_result($query);
}
// full scrape of all torrents
public function full_scrape($sql, &$response)
{
// fetch scrape
$query = mysql_query($sql) OR tracker_error('unable to perform a full scrape');
// 20-byte info_hash, integer complete, integer downloaded, integer incomplete
while ($scrape = mysql_fetch_row($query)) $response .= "20:{$scrape[0]}d8:completei{$scrape[1]}e10:downloadedi0e10:incompletei{$scrape[2]}ee";
// cleanup
mysql_free_result($query);
}
}
// MySQLi Database API /////////////////////////////////////////////////////////////////////////////
// mysqli core
class peertracker_mysqli
{
// database connection
public $db;
// connect to database
public function __construct()
{
// attempt to connect
$this->db = new mysqli(
// connection method
(!$_SERVER['tracker']['db_persist'] ?
// default connection
$_SERVER['tracker']['db_host'] :
// persistent connection
'p:' . $_SERVER['tracker']['db_host']
),
$_SERVER['tracker']['db_user'],
$_SERVER['tracker']['db_pass'],
$_SERVER['tracker']['db_name']
);
// error out if something happened
if ($this->db->connect_errno) tracker_error(
$this->db->connect_errno . ' - ' .
$this->db->connect_error
);
}
// close database connection
public function __destruct()
{
$this->db->close();
}
// make sql safe
public function escape_sql($sql)
{
return $this->db->real_escape_string($sql);
}
// query database
public function query($sql)
{
return $this->db->query($sql);
}
// return one row
public function fetch_once($sql)
{
// execute query
$query = $this->db->query($sql) OR tracker_error($this->db->error);
$result = $query->fetch_row();
// cleanup
$query->close();
// return
return $result;
}
// return compact peers
public function peers_compact($sql, &$peers)
{
// fetch peers
$query = $this->db->query($sql) OR tracker_error('failed to select compact peers');
// build response
while($peer = $query->fetch_row()) $peers .= $peer[0];
// cleanup
$query->close();
}
// return dictionary peers
public function peers_dictionary($sql, &$response)
{
// fetch peers
$query = $this->db->query($sql) OR tracker_error('failed to select peers');
// dotted decimal string ip, 20-byte peer_id, integer port
while($peer = $query->fetch_row()) $response .= 'd2:ip' . strlen($peer[1]) . ":{$peer[1]}" . "7:peer id20:{$peer[0]}4:porti{$peer[2]}ee";
// cleanup
$query->close();
}
// return dictionary peers without peer_id
public function peers_dictionary_no_peer_id($sql, &$response)
{
// fetch peers
$query = $this->db->query($sql) OR tracker_error('failed to select peers');
// dotted decimal string ip, integer port
while($peer = $query->fetch_row()) $response .= 'd2:ip' . strlen($peer[0]) . ":{$peer[0]}4:porti{$peer[1]}ee";
// cleanup
$query->close();
}
// full scrape of all torrents
public function full_scrape($sql, &$response)
{
// fetch scrape
$query = $this->db->query($sql) OR tracker_error('unable to perform a full scrape');
// 20-byte info_hash, integer complete, integer downloaded, integer incomplete
while ($scrape = $query->fetch_row()) $response .= "20:{$scrape[0]}d8:completei{$scrape[1]}e10:downloadedi0e10:incompletei{$scrape[2]}ee";
// cleanup
$query->close();
}
}
// peertracker core
class peertracker
{
// database api
public static $api;
// open database connection
public static function open()
{
// php version
$php = PHP_VERSION;
// establish database API
self::$api = (
// default connections
!$_SERVER['tracker']['db_persist'] ? (
// do we support mysqli?
class_exists('mysqli') ?
// use the mysqli api
new peertracker_mysqli() :
// use the mysql api
new peertracker_mysql()
// persistent connections
) : (
// do we support mysqli?
class_exists('mysqli') &&
// PHP is >= 5.3
(($php[0]+0) > 5 || ($php[0]+0) == 5 && ($php[2]+0) >= 3) ?
// use the mysqli api
new peertracker_mysqli() :
// use the mysql api
new peertracker_mysql()
)
);
}
// close database connection
public static function close()
{
// trigger __destruct()
self::$api = null;
}
// database cleanup
public static function clean()
{
// run cleanup once per announce interval
// check 'clean_idle_peers'% of the time to avoid excess queries
if (mt_rand(1, $_SERVER['tracker']['clean_idle_peers']) == 1)
{
// unix timestamp
$time = time();
// fetch last cleanup time
$last = self::$api->fetch_once(
// select last cleanup from tasks
"SELECT value FROM `{$_SERVER['tracker']['db_prefix']}tasks` WHERE name='prune'"
);
// first clean cycle?
if (($last[0] + 0) == 0)
{
self::$api->query(
// set tasks value prune to current unix timestamp
"REPLACE INTO `{$_SERVER['tracker']['db_prefix']}tasks` VALUES('prune', {$time})"
) OR tracker_error('could not perform maintenance');
self::$api->query(
// delete peers that have been idle too long
"DELETE FROM `{$_SERVER['tracker']['db_prefix']}peers` WHERE updated < " .
// idle length is announce interval x 2
($time - ($_SERVER['tracker']['announce_interval'] * 2))
) OR tracker_error('could not perform maintenance');
}
// prune idle peers
elseif (($last[0] + $_SERVER['tracker']['announce_interval']) < $time)
{
self::$api->query(
// set tasks value prune to current unix timestamp
"UPDATE `{$_SERVER['tracker']['db_prefix']}tasks` SET value={$time} WHERE name='prune'"
) OR tracker_error('could not perform maintenance');
self::$api->query(
// delete peers that have been idle too long
"DELETE FROM `{$_SERVER['tracker']['db_prefix']}peers` WHERE updated < " .
// idle length is announce interval x 2
($time - ($_SERVER['tracker']['announce_interval'] * 2))
) OR tracker_error('could not perform maintenance');
}
}
}
// insert new peer
public static function new_peer()
{
// insert peer
self::$api->query(
// insert into the peers table
"INSERT IGNORE INTO `{$_SERVER['tracker']['db_prefix']}peers` " .
// table columns
'(info_hash, peer_id, compact, ip, port, state, updated) ' .
// 20-byte info_hash, 20-byte peer_id
"VALUES ('{$_GET['info_hash']}', '{$_GET['peer_id']}', '" .
// 6-byte compacted peer info
self::$api->escape_sql(pack('Nn', ip2long($_GET['ip']), $_GET['port'])) . "', " .
// dotted decimal string ip, integer port, integer state and unix timestamp updated
"'{$_GET['ip']}', {$_GET['port']}, {$_SERVER['tracker']['seeding']}, " . time() . '); '
) OR tracker_error('failed to add new peer data');
}
// full peer update
public static function update_peer()
{
// update peer
self::$api->query(
// update the peers table
"UPDATE `{$_SERVER['tracker']['db_prefix']}peers` " .
// set the 6-byte compacted peer info
"SET compact='" . self::$api->escape_sql(pack('Nn', ip2long($_GET['ip']), $_GET['port'])) .
// dotted decimal string ip, integer port
"', ip='{$_GET['ip']}', port={$_GET['port']}, " .
// integer state and unix timestamp updated
"state={$_SERVER['tracker']['seeding']}, updated=" . time() .
// that matches the given info_hash and peer_id
" WHERE info_hash='{$_GET['info_hash']}' AND peer_id='{$_GET['peer_id']}'"
) OR tracker_error('failed to update peer data');
}
// update peers last access time
public static function update_last_access()
{
// update peer
self::$api->query(
// set updated to the current unix timestamp
"UPDATE `{$_SERVER['tracker']['db_prefix']}peers` SET updated=" . time() .
// that matches the given info_hash and peer_id
" WHERE info_hash='{$_GET['info_hash']}' AND peer_id='{$_GET['peer_id']}'"
) OR tracker_error('failed to update peers last access');
}
// remove existing peer
public static function delete_peer()
{
// delete peer
self::$api->query(
// delete a peer from the peers table
"DELETE FROM `{$_SERVER['tracker']['db_prefix']}peers` " .
// that matches the given info_hash and peer_id
"WHERE info_hash='{$_GET['info_hash']}' AND peer_id='{$_GET['peer_id']}'"
) OR tracker_error('failed to remove peer data');
}
// tracker event handling
public static function event()
{
// execute peer select
$pState = self::$api->fetch_once(
// select a peer from the peers table
"SELECT ip, port, state FROM `{$_SERVER['tracker']['db_prefix']}peers` " .
// that matches the given info_hash and peer_id
"WHERE info_hash='{$_GET['info_hash']}' AND peer_id='{$_GET['peer_id']}'"
);
// process tracker event
switch ((isset($_GET['event']) ? $_GET['event'] : false))
{
// client gracefully exited
case 'stopped':
// remove peer
if (isset($pState[2])) self::delete_peer();
break;
// client completed download
case 'completed':
// force seeding status
$_SERVER['tracker']['seeding'] = 1;
// client started download
case 'started':
// client continuing download
default:
// new peer
if (!isset($pState[2])) self::new_peer();
// peer status
elseif (
// check that ip addresses match
$pState[0] != $_GET['ip'] ||
// check that listening ports match
($pState[1]+0) != $_GET['port'] ||
// check whether seeding status match
($pState[2]+0) != $_SERVER['tracker']['seeding']
) self::update_peer();
// update time
else self::update_last_access();
}
}
// tracker peer list
public static function peers()
{
// fetch peer total
$total = self::$api->fetch_once(
// select a count of the number of peers that match the given info_hash
"SELECT COUNT(*) FROM `{$_SERVER['tracker']['db_prefix']}peers` WHERE info_hash='{$_GET['info_hash']}'"
) OR tracker_error('failed to select peer count');
// select
$sql = 'SELECT ' .
// 6-byte compacted peer info
($_GET['compact'] ? 'compact ' :
// 20-byte peer_id
(!$_GET['no_peer_id'] ? 'peer_id, ' : '') .
// dotted decimal string ip, integer port
'ip, port '
) .
// from peers table matching info_hash
"FROM `{$_SERVER['tracker']['db_prefix']}peers` WHERE info_hash='{$_GET['info_hash']}'" .
// less peers than requested, so return them all
($total[0] <= $_GET['numwant'] ? ';' :
// if the total peers count is low, use SQL RAND
($total[0] <= $_SERVER['tracker']['random_limit'] ?
" ORDER BY RAND() LIMIT {$_GET['numwant']};" :
// use a more efficient but less accurate RAND
" LIMIT {$_GET['numwant']} OFFSET " .
mt_rand(0, ($total[0]-$_GET['numwant']))
)
);
// begin response
$response = 'd8:intervali' . $_SERVER['tracker']['announce_interval'] .
'e12:min intervali' . $_SERVER['tracker']['min_interval'] .
'e5:peers';
// compact announce
if ($_GET['compact'])
{
// peers list
$peers = '';
// build response
self::$api->peers_compact($sql, $peers);
// 6-byte compacted peer info
$response .= strlen($peers) . ':' . $peers;
}
// dictionary announce
else
{
// list start
$response .= 'l';
// include peer_id
if (!$_GET['no_peer_id']) self::$api->peers_dictionary($sql, $response);
// omit peer_id
else self::$api->peers_dictionary_no_peer_id($sql, $response);
// list end
$response .= 'e';
}
// send response
echo $response . 'e';
// cleanup
unset($peers);
}
// tracker scrape
public static function scrape()
{
// scrape response
$response = 'd5:filesd';
// scrape info_hash
if (isset($_GET['info_hash']))
{
// scrape
$scrape = self::$api->fetch_once(
// select total seeders and leechers
'SELECT SUM(state=1), SUM(state=0) ' .
// from peers
"FROM `{$_SERVER['tracker']['db_prefix']}peers` " .
// that match info_hash
"WHERE info_hash='" . self::$api->escape_sql($_GET['info_hash']) . "'"
) OR tracker_error('unable to scrape the requested torrent');
// 20-byte info_hash, integer complete, integer downloaded, integer incomplete
$response .= "20:{$_GET['info_hash']}d8:completei" . ($scrape[0]+0) .
'e10:downloadedi0e10:incompletei' . ($scrape[1]+0) . 'ee';
}
// full scrape
else
{
// scrape
$sql = 'SELECT ' .
// info_hash, total seeders and leechers
'info_hash, SUM(state=1), SUM(state=0) ' .
// from peers
"FROM `{$_SERVER['tracker']['db_prefix']}peers` " .
// grouped by info_hash
'GROUP BY info_hash';
// build response
self::$api->full_scrape($sql, $response);
}
// send response
echo $response . 'ee';
}
// tracker statistics
public static function stats()
{
// statistics
$stats = self::$api->fetch_once(
// select seeders and leechers
'SELECT SUM(state=1), SUM(state=0), ' .
// unique torrents
'COUNT(DISTINCT info_hash) ' .
// from peers
"FROM `{$_SERVER['tracker']['db_prefix']}peers` "
) OR tracker_error('failed to retrieve tracker statistics');
// output format
switch ($_GET['stats'])
{
// xml
case 'xml':
header('Content-Type: text/xml');
echo '<?xml version="1.0" encoding="ISO-8859-1"?>' .
'<tracker version="$Id: tracker.mysql.php 164 2010-01-23 22:08:58Z trigunflame $">' .
'<peers>' . number_format($stats[0] + $stats[1]) . '</peers>' .
'<seeders>' . number_format($stats[0]) . '</seeders>' .
'<leechers>' . number_format($stats[1]) . '</leechers>' .
'<torrents>' . number_format($stats[2]) . '</torrents></tracker>';
break;
// json
case 'json':
header('Content-Type: text/javascript');
echo '{"tracker":{"version":"$Id: tracker.mysql.php 164 2010-01-23 22:08:58Z trigunflame $",' .
'"peers": "' . number_format($stats[0] + $stats[1]) . '",' .
'"seeders":"' . number_format($stats[0]) . '",' .
'"leechers":"' . number_format($stats[1]) . '",' .
'"torrents":"' . number_format($stats[2]) . '"}}';
break;
// standard
default:
echo '<!doctype html><html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8">' .
'<title>PeerTracker: $Id: tracker.mysql.php 164 2010-01-23 22:08:58Z trigunflame $</title>' .
'<body><pre>' . number_format($stats[0] + $stats[1]) .
' peers (' . number_format($stats[0]) . ' seeders + ' . number_format($stats[1]) .
' leechers) in ' . number_format($stats[2]) . ' torrents</pre></body></html>';
}
}
}
?>

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Options -Indexes
RewriteEngine on
RewriteRule ^announce$ announce.php [NC,L]
RewriteRule ^scrape$ scrape.php [NC,L]

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: announce.php 161 2010-01-20 17:49:50Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Enviroment Runtime //////////////////////////////////////////////////////////////////////////////
// error level
error_reporting(E_ERROR | E_PARSE);
//error_reporting(E_ALL & ~E_WARNING);
//error_reporting(E_ALL | E_STRICT | E_DEPRECATED);
// ignore disconnects
ignore_user_abort(true);
// load tracker core
require './tracker.postgresql.php';
// Verify Request //////////////////////////////////////////////////////////////////////////////////
// strip auto-escaped data
if (get_magic_quotes_gpc())
{
$_GET['info_hash'] = stripslashes($_GET['info_hash']);
$_GET['peer_id'] = stripslashes($_GET['peer_id']);
}
// 20-bytes - info_hash
// sha-1 hash of torrent metainfo
if (!isset($_GET['info_hash']) || strlen($_GET['info_hash']) != 20) exit;
// 20-bytes - peer_id
// client generated unique peer identifier
if (!isset($_GET['peer_id']) || strlen($_GET['peer_id']) != 20) exit;
// integer - port
// port the client is accepting connections from
if (!(isset($_GET['port']) && is_numeric($_GET['port']))) tracker_error('client listening port is invalid');
// integer - left
// number of bytes left for the peer to download
if (isset($_GET['left']) && is_numeric($_GET['left'])) $_SERVER['tracker']['seeding'] = ($_GET['left'] > 0 ? 0 : 1); else tracker_error('client data left field is invalid');
// integer boolean - compact - optional
// send a compact peer response
// http://bittorrent.org/beps/bep_0023.html
if (!isset($_GET['compact']) || $_SERVER['tracker']['force_compact']) $_GET['compact'] = 1; else $_GET['compact'] += 0;
// integer boolean - no_peer_id - optional
// omit peer_id in dictionary announce response
if (!isset($_GET['no_peer_id'])) $_GET['no_peer_id'] = 0; else $_GET['no_peer_id'] += 0;
// string - ip - optional
// ip address the peer requested to use
if (isset($_GET['ip']) && $_SERVER['tracker']['external_ip'])
{
// dotted decimal only
$_GET['ip'] = trim($_GET['ip'],'::ffff:');
if (!ip2long($_GET['ip'])) tracker_error('invalid ip, dotted decimal only');
}
// set ip to connected client
elseif (isset($_SERVER['REMOTE_ADDR'])) $_GET['ip'] = trim($_SERVER['REMOTE_ADDR'],'::ffff:');
// cannot locate suitable ip, must abort
else tracker_error('could not locate clients ip');
// integer - numwant - optional
// number of peers that the client has requested
if (!isset($_GET['numwant'])) $_GET['numwant'] = $_SERVER['tracker']['default_peers'];
elseif (($_GET['numwant']+0) > $_SERVER['tracker']['max_peers']) $_GET['numwant'] = $_SERVER['tracker']['max_peers'];
else $_GET['numwant'] += 0;
// Handle Request //////////////////////////////////////////////////////////////////////////////////
// open database
peertracker::open();
// make info_hash & peer_id SQL friendly
$_GET['info_hash'] = pg_escape_bytea(peertracker::$db, $_GET['info_hash']);
$_GET['peer_id'] = pg_escape_bytea(peertracker::$db, $_GET['peer_id']);
// announce peers
peertracker::peers();
// track client
peertracker::event();
// garbage collection
peertracker::clean();
// close database
peertracker::close();
?>

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: scrape.php 161 2010-01-20 17:49:50Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Enviroment Runtime //////////////////////////////////////////////////////////////////////////////
// error level
error_reporting(E_ERROR | E_PARSE);
//error_reporting(E_ALL & ~E_WARNING);
//error_reporting(E_ALL | E_STRICT | E_DEPRECATED);
// ignore disconnects
ignore_user_abort(true);
// load tracker core
require './tracker.postgresql.php';
// Verify Request //////////////////////////////////////////////////////////////////////////////////
// tracker statistics
if (isset($_GET['stats']))
{
// open database
peertracker::open();
// display stats
peertracker::stats();
// close database
peertracker::close();
// exit immediately
exit;
}
// strip auto-escaped data
if (get_magic_quotes_gpc()) $_GET['info_hash'] = stripslashes($_GET['info_hash']);
// 20-bytes - info_hash
// sha-1 hash of torrent being tracked
if (!isset($_GET['info_hash']) || strlen($_GET['info_hash']) != 20)
{
// full scrape disabled
if (!$_SERVER['tracker']['full_scrape']) exit;
// full scrape enabled
else unset($_GET['info_hash']);
}
// Handle Request //////////////////////////////////////////////////////////////////////////////////
// open database
peertracker::open();
// perform scrape
peertracker::scrape();
// close database
peertracker::close();
?>

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: tracker.postgresql.php 149 2009-11-16 23:20:06Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Configuration ///////////////////////////////////////////////////////////////////////////////////
// tracker state
$_SERVER['tracker'] = array(
// general tracker options
'open_tracker' => true, /* track anything announced to it */
'announce_interval' => 1800, /* how often client will send requests */
'min_interval' => 900, /* how often client can force requests */
'default_peers' => 50, /* default # of peers to announce */
'max_peers' => 100, /* max # of peers to announce */
// advanced tracker options
'external_ip' => true, /* allow client to specify ip address */
'force_compact' => false, /* force compact announces only */
'full_scrape' => false, /* allow scrapes without info_hash */
'random_limit' => 500, /* if peers > #, use alternate SQL RAND() */
'clean_idle_peers' => 10, /* tweaks % of time tracker attempts idle peer removal */
/* if you have a busy tracker, you may adjust this */
/* example: 10 = 10%, 20 = 5%, 50 = 2%, 100 = 1% */
// database options
'db_host' => 'localhost', /* ip or hostname to mysql server */
'db_user' => 'root', /* username used to connect to mysql */
'db_pass' => '', /* password used to connect to mysql */
'db_name' => 'peertracker', /* name of the PeerTracker database */
// advanced database options
'db_prefix' => '' /* name prefixes for the PeerTracker tables */
);
// Tracker Operations //////////////////////////////////////////////////////////////////////////////
// fatal error, stop execution
function tracker_error($error)
{
exit('d14:failure reason' . strlen($error) . ":{$error}e");
}
// SQLite3 Tracker Database ////////////////////////////////////////////////////////////////////////
// peertracker core
class peertracker
{
// database connection
public static $db;
// open database connection
public static function open()
{
// attempt to connect
self::$db = pg_connect(
"host='{$_SERVER['tracker']['db_host']}' dbname='{$_SERVER['tracker']['db_name']}' " .
"user='{$_SERVER['tracker']['db_user']}' password='{$_SERVER['tracker']['db_pass']}'"
) OR tracker_error('database error - ' . pg_last_error(self::$db));
}
// close database connection
public static function close()
{
pg_close(self::$db);
}
// database cleanup
public static function clean()
{
// run cleanup once per announce interval
// check 'clean_idle_peers'% of the time to avoid excess queries
if (mt_rand(1, $_SERVER['tracker']['clean_idle_peers']) == 1)
{
// unix timestamp
$time = time();
// fetch last cleanup time
$last = pg_fetch_row(pg_query(self::$db,
// select last cleanup from tasks
"SELECT value FROM {$_SERVER['tracker']['db_prefix']}tasks WHERE name='prune';"
));
// first clean cycle?
if (($last[0] + 0) == 0)
{
pg_query(self::$db,
// set tasks value prune to current unix timestamp
"INSERT INTO {$_SERVER['tracker']['db_prefix']}tasks VALUES('prune', {$time})"
) OR tracker_error('could not perform maintenance');
pg_query(self::$db,
// delete peers that have been idle too long
"DELETE FROM {$_SERVER['tracker']['db_prefix']}peers WHERE updated < " .
// idle length is announce interval x 2
($time - ($_SERVER['tracker']['announce_interval'] * 2)) . ';'
) OR tracker_error('could not perform maintenance');
}
// prune idle peers
elseif (($last[0] + $_SERVER['tracker']['announce_interval']) < $time)
{
pg_query(self::$db,
// set tasks value prune to current unix timestamp
"UPDATE {$_SERVER['tracker']['db_prefix']}tasks SET value={$time} WHERE name='prune';"
) OR tracker_error('could not perform maintenance');
pg_query(self::$db,
// delete peers that have been idle too long
"DELETE FROM {$_SERVER['tracker']['db_prefix']}peers WHERE updated < " .
// idle length is announce interval x 2
($time - ($_SERVER['tracker']['announce_interval'] * 2)) . ';'
) OR tracker_error('could not perform maintenance');
}
}
}
// insert new peer
public static function new_peer()
{
// insert peer
pg_query(self::$db,
// insert into the peers table
"INSERT INTO {$_SERVER['tracker']['db_prefix']}peers " .
// table columns
'(info_hash, peer_id, compact, ip, port, state, updated) ' .
// 20-byte info_hash, 20-byte peer_id
"VALUES (E'{$_GET['info_hash']}'::bytea, E'{$_GET['peer_id']}'::bytea, " .
// 6-byte compacted peer info
"E'" . pg_escape_bytea(self::$db, pack('Nn', ip2long($_GET['ip']), $_GET['port'])) .
// dotted decimal string ip, integer port
"'::bytea, '{$_GET['ip']}', {$_GET['port']}, {$_SERVER['tracker']['seeding']}, " . time() . '); '
) OR tracker_error('failed to add new peer data');
}
// full peer update
public static function update_peer()
{
// update peer
pg_query(self::$db,
// update the peers table
"UPDATE {$_SERVER['tracker']['db_prefix']}peers " .
// set the 6-byte compacted peer info
"SET compact=E'" . pg_escape_bytea(self::$db, pack('Nn', ip2long($_GET['ip']), $_GET['port'])) .
// dotted decimal string ip, integer port
"'::bytea, ip='{$_GET['ip']}', port={$_GET['port']}, " .
// integer state and unix timestamp updated
"state={$_SERVER['tracker']['seeding']}, updated=" . time() .
// that matches the given info_hash and peer_id
"WHERE info_hash=E'{$_GET['info_hash']}'::bytea AND peer_id=E'{$_GET['peer_id']}'::bytea;"
) OR tracker_error('failed to update peer data');
}
// update peers last access time
public static function update_last_access()
{
// update peer
pg_query(self::$db,
// update the peers table
"UPDATE {$_SERVER['tracker']['db_prefix']}peers " .
// set updated to the current unix timestamp
'SET updated=' . time() .
// that matches the given info_hash and peer_id
" WHERE info_hash=E'{$_GET['info_hash']}'::bytea AND peer_id=E'{$_GET['peer_id']}'::bytea;"
) OR tracker_error('failed to update peers last access');
}
// remove existing peer
public static function delete_peer()
{
// delete peer
pg_query(self::$db,
// delete a peer from the peers table
"DELETE FROM {$_SERVER['tracker']['db_prefix']}peers " .
// that matches the given info_hash and peer_id
"WHERE info_hash=E'{$_GET['info_hash']}'::bytea AND peer_id=E'{$_GET['peer_id']}'::bytea;"
) OR tracker_error('failed to remove peer data');
}
// tracker event handling
public static function event()
{
// execute peer select
$pState = pg_fetch_row(pg_query(self::$db,
// select a peer from the peers table
"SELECT ip, port, state FROM {$_SERVER['tracker']['db_prefix']}peers " .
// that matches the given info_hash and peer_id
"WHERE info_hash=E'{$_GET['info_hash']}'::bytea AND peer_id=E'{$_GET['peer_id']}'::bytea;"
));
// process tracker event
switch ((isset($_GET['event']) ? $_GET['event'] : false))
{
// client gracefully exited
case 'stopped':
// remove peer
if (isset($pState[2])) self::delete_peer();
break;
// client completed download
case 'completed':
// force seeding status
$_SERVER['tracker']['seeding'] = 1;
// client started download
case 'started':
// client continuing download
default:
// new peer
if (!isset($pState[2])) self::new_peer();
// peer status
elseif (
// check that ip addresses match
$pState[0] != $_GET['ip'] ||
// check that listening ports match
($pState[1]+0) != $_GET['port'] ||
// check whether seeding status match
($pState[2]+0) != $_SERVER['tracker']['seeding']
) self::update_peer();
// update time
else self::update_last_access();
}
}
// tracker peer list
public static function peers()
{
// fetch peer total
$total = pg_fetch_row(pg_query(self::$db,
// select a count of the number of peers that match the given info_hash
"SELECT COUNT(*) FROM {$_SERVER['tracker']['db_prefix']}peers WHERE info_hash=E'{$_GET['info_hash']}'::bytea;"
)) OR tracker_error('failed to select peer count');
// select
$sql = 'SELECT ' .
// 6-byte compacted peer info
($_GET['compact'] ? 'compact ' :
// 20-byte peer_id
(!$_GET['no_peer_id'] ? 'peer_id, ' : '') .
// dotted decimal string ip, integer port
'ip, port '
) .
// from peers table matching info_hash
"FROM {$_SERVER['tracker']['db_prefix']}peers WHERE info_hash=E'{$_GET['info_hash']}'::bytea" .
// less peers than requested, so return them all
($total[0] <= $_GET['numwant'] ? ';' :
// if the total peers count is low, use SQL RAND
($total[0] <= $_SERVER['tracker']['random_limit'] ?
" ORDER BY RANDOM() LIMIT {$_GET['numwant']};" :
// use a more efficient but less accurate RAND
" LIMIT {$_GET['numwant']} OFFSET " .
mt_rand(0, ($total[0]-$_GET['numwant'])) . ';'
)
);
// begin response
$response = 'd8:intervali' . $_SERVER['tracker']['announce_interval'] .
'e12:min intervali' . $_SERVER['tracker']['min_interval'] .
'e5:peers';
// execute peer selection
$query = pg_query(self::$db, $sql) OR tracker_error('failed to select peers');
// compact announce
if ($_GET['compact'])
{
// peers list
$peers = '';
// build response
while ($peer = pg_fetch_row($query)) $peers .= pg_unescape_bytea($peer[0]);
// 6-byte compacted peer info
$response .= strlen($peers) . ':' . $peers;
}
// dictionary announce
else
{
// list start
$response .= 'l';
// include peer_id
if (!$_GET['no_peer_id'])
{
// dotted decimal string ip, 20-byte peer_id, integer port
while ($p = pg_fetch_row($query)) $response .= 'd2:ip' . strlen($p[1]) . ":{$p[1]}" . "7:peer id20:{$p[0]}4:porti{$p[2]}ee";
}
// omit peer_id
else
{
// dotted decimal string ip, integer port
while ($p = pg_fetch_row($query)) $response .= 'd2:ip' . strlen($p[0]) . ":{$p[0]}4:porti{$p[1]}ee";
}
// list end
$response .= 'e';
}
// send response
echo $response . 'e';
// cleanup
pg_free_result($query);
unset($peers);
}
// scrape info_hash
public function scrape()
{
// scrape response
$response = 'd5:filesd';
// scrape info_hash
if (isset($_GET['info_hash']))
{
// scrape
$scrape = pg_fetch_row(pg_query(self::$db,
// select total seeders
'SELECT SUM(CASE WHEN state=1 THEN 1 ELSE 0 END), ' .
// and leechers
'SUM(CASE WHEN state=0 THEN 1 ELSE 0 END) ' .
// from peers
"FROM {$_SERVER['tracker']['db_prefix']}peers " .
// that match info_hash
"WHERE info_hash=E'" . pg_escape_bytea(self::$db, ($_GET['info_hash'])) . "'::bytea;"
));
// 20-byte info_hash, integer complete, integer downloaded, integer incomplete
$response .= "20:{$_GET['info_hash']}d8:completei" . ($scrape[0]+0) .
'e10:downloadedi0e10:incompletei' . ($scrape[1]+0) . 'ee';
}
// full scrape
else
{
// scrape
$query = pg_query(self::$db,
// select total seeders
'SELECT info_hash, SUM(CASE WHEN state=1 THEN 1 ELSE 0 END), ' .
// and leechers
'SUM(CASE WHEN state=0 THEN 1 ELSE 0 END) ' .
// from peers grouped by info_hash
"FROM {$_SERVER['tracker']['db_prefix']}peers GROUP BY info_hash;"
) OR tracker_error('unable to perform a full scrape');
// 20-byte info_hash, integer complete, integer downloaded, integer incomplete
while ($scrape = pg_fetch_row($query)) $response .= "20:{$scrape[0]}d8:completei{$scrape[1]}e10:downloadedi0e10:incompletei{$scrape[2]}ee";
// cleanup
pg_free_result($query);
}
// send response
echo $response . 'ee';
}
// tracker statistics
public static function stats()
{
// statistics
$stats = pg_fetch_row(pg_query(self::$db,
// select total seeders
'SELECT SUM(CASE WHEN state=1 THEN 1 ELSE 0 END), ' .
// and leechers
'SUM(CASE WHEN state=0 THEN 1 ELSE 0 END), ' .
// unique torrents
'COUNT(DISTINCT info_hash) ' .
// from peers
"FROM {$_SERVER['tracker']['db_prefix']}peers;"
)) OR tracker_error('failed to retrieve tracker statistics');
// output format
switch ($_GET['stats'])
{
// xml
case 'xml':
header('Content-Type: text/xml');
echo '<?xml version="1.0" encoding="ISO-8859-1"?>' .
'<tracker version="$Id: tracker.postgresql.php 149 2009-11-16 23:20:06Z trigunflame $">' .
'<peers>' . number_format($stats[0] + $stats[1]) . '</peers>' .
'<seeders>' . number_format($stats[0]) . '</seeders>' .
'<leechers>' . number_format($stats[1]) . '</leechers>' .
'<torrents>' . number_format($stats[2]) . '</torrents></tracker>';
break;
// json
case 'json':
header('Content-Type: text/javascript');
echo '{"tracker":{"version":"$Id: tracker.postgresql.php 149 2009-11-16 23:20:06Z trigunflame $",' .
'"peers": "' . number_format($stats[0] + $stats[1]) . '",' .
'"seeders":"' . number_format($stats[0]) . '",' .
'"leechers":"' . number_format($stats[1]) . '",' .
'"torrents":"' . number_format($stats[2]) . '"}}';
break;
// standard
default:
echo '<!doctype html><html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8">' .
'<title>PeerTracker: $Id: tracker.postgresql.php 149 2009-11-16 23:20:06Z trigunflame $</title>' .
'<body><pre>' . number_format($stats[0] + $stats[1]) .
' peers (' . number_format($stats[0]) . ' seeders + ' . number_format($stats[1]) .
' leechers) in ' . number_format($stats[2]) . ' torrents</pre></body></html>';
}
}
}
?>

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Options -Indexes
RewriteEngine on
RewriteRule ^announce$ announce.php [NC,L]
RewriteRule ^scrape$ scrape.php [NC,L]

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: announce.php 161 2010-01-20 17:49:50Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Enviroment Runtime //////////////////////////////////////////////////////////////////////////////
// error level
error_reporting(E_ERROR | E_PARSE);
//error_reporting(E_ALL & ~E_NOTICE);
//error_reporting(E_ALL | E_STRICT | E_DEPRECATED);
// ignore disconnects
ignore_user_abort(true);
// load tracker core
require './tracker.sqlite3.php';
// Verify Request //////////////////////////////////////////////////////////////////////////////////
// strip auto-escaped data
if (get_magic_quotes_gpc())
{
$_GET['info_hash'] = stripslashes($_GET['info_hash']);
$_GET['peer_id'] = stripslashes($_GET['peer_id']);
}
// 20-bytes - info_hash
// sha-1 hash of torrent metainfo
if (!isset($_GET['info_hash']) || strlen($_GET['info_hash']) != 20) exit;
// 20-bytes - peer_id
// client generated unique peer identifier
if (!isset($_GET['peer_id']) || strlen($_GET['peer_id']) != 20) exit;
// integer - port
// port the client is accepting connections from
if (!(isset($_GET['port']) && is_numeric($_GET['port']))) tracker_error('client listening port is invalid');
// integer - left
// number of bytes left for the peer to download
if (isset($_GET['left']) && is_numeric($_GET['left'])) $_SERVER['tracker']['seeding'] = ($_GET['left'] > 0 ? 0 : 1); else tracker_error('client data left field is invalid');
// integer boolean - compact - optional
// send a compact peer response
// http://bittorrent.org/beps/bep_0023.html
if (!isset($_GET['compact']) || $_SERVER['tracker']['force_compact']) $_GET['compact'] = 1; else $_GET['compact'] += 0;
// integer boolean - no_peer_id - optional
// omit peer_id in dictionary announce response
if (!isset($_GET['no_peer_id'])) $_GET['no_peer_id'] = 0; else $_GET['no_peer_id'] += 0;
// string - ip - optional
// ip address the peer requested to use
if (isset($_GET['ip']) && $_SERVER['tracker']['external_ip'])
{
// dotted decimal only
$_GET['ip'] = trim($_GET['ip'],'::ffff:');
if (!ip2long($_GET['ip'])) tracker_error('invalid ip, dotted decimal only');
}
// set ip to connected client
elseif (isset($_SERVER['REMOTE_ADDR'])) $_GET['ip'] = trim($_SERVER['REMOTE_ADDR'],'::ffff:');
// cannot locate suitable ip, must abort
else tracker_error('could not locate clients ip');
// integer - numwant - optional
// number of peers that the client has requested
if (!isset($_GET['numwant'])) $_GET['numwant'] = $_SERVER['tracker']['default_peers'];
elseif (($_GET['numwant']+0) > $_SERVER['tracker']['max_peers']) $_GET['numwant'] = $_SERVER['tracker']['max_peers'];
else $_GET['numwant'] += 0;
// Handle Request //////////////////////////////////////////////////////////////////////////////////
// open database
peertracker::open();
// announce peers
peertracker::peers();
// track client
peertracker::event();
// garbage collection
peertracker::clean();
// close database
peertracker::close();
?>

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deny from all

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: scrape.php 161 2010-01-20 17:49:50Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Enviroment Runtime //////////////////////////////////////////////////////////////////////////////
// error level
error_reporting(E_ERROR | E_PARSE);
//error_reporting(E_ALL & ~E_WARNING);
//error_reporting(E_ALL | E_STRICT | E_DEPRECATED);
// ignore disconnects
ignore_user_abort(true);
// load tracker core
require './tracker.sqlite3.php';
// Verify Request //////////////////////////////////////////////////////////////////////////////////
// tracker statistics
if (isset($_GET['stats']))
{
// open database
peertracker::open();
// display stats
peertracker::stats();
// close database
peertracker::close();
// exit immediately
exit;
}
// strip auto-escaped data
if (get_magic_quotes_gpc()) $_GET['info_hash'] = stripslashes($_GET['info_hash']);
// 20-bytes - info_hash
// sha-1 hash of torrent being tracked
if (!isset($_GET['info_hash']) || strlen($_GET['info_hash']) != 20)
{
// full scrape disabled
if (!$_SERVER['tracker']['full_scrape']) exit;
// full scrape enabled
else unset($_GET['info_hash']);
}
// Handle Request //////////////////////////////////////////////////////////////////////////////////
// open database
peertracker::open();
// perform scrape
peertracker::scrape();
// close database
peertracker::close();
?>

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<?php
// License Information /////////////////////////////////////////////////////////////////////////////
/*
* PeerTracker - OpenSource BitTorrent Tracker
* Revision - $Id: tracker.sqlite3.php 148 2009-11-16 23:18:28Z trigunflame $
* Copyright (C) 2009 PeerTracker Team
*
* PeerTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PeerTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PeerTracker. If not, see <http://www.gnu.org/licenses/>.
*/
// Configuration ///////////////////////////////////////////////////////////////////////////////////
// tracker state
$_SERVER['tracker'] = array(
// general tracker options
'open_tracker' => true, /* track anything announced to it */
'announce_interval' => 1800, /* how often client will send requests */
'min_interval' => 900, /* how often client can force requests */
'default_peers' => 50, /* default # of peers to announce */
'max_peers' => 100, /* max # of peers to announce */
// advanced tracker options
'external_ip' => true, /* allow client to specify ip address */
'force_compact' => false, /* force compact announces only */
'full_scrape' => false, /* allow scrapes without info_hash */
'random_limit' => 500, /* if peers > #, use alternate SQL RANDOM() */
'clean_idle_peers' => 10, /* tweaks % of time tracker attempts idle peer removal, */
/* if you have a busy tracker, you may adjust this */
/* example: 10 = 10%, 20 = 5%, 50 = 2%, 100 = 1% */
// database options
'db_path' => './db/tracker.db' /* file path to the SQLite3 database*/
);
// Tracker Operations //////////////////////////////////////////////////////////////////////////////
// fatal error, stop execution
function tracker_error($error)
{
exit('d14:failure reason' . strlen($error) . ":{$error}e");
}
// SQLite3 Tracker Database ////////////////////////////////////////////////////////////////////////
// peertracker core
class peertracker
{
// database connection
public static $db;
// open database connection
public static function open()
{
// attempt to connect
try { self::$db = new SQLite3($_SERVER['tracker']['db_path'], SQLITE3_OPEN_READWRITE); }
// database not writable or does not exist
catch (Exception $e)
{
// try and remove the file if one exist, it may be corrupted
if (file_exists($_SERVER['tracker']['db_path'])) @unlink($_SERVER['tracker']['db_path']);
// attempt creation
try { self::$db = new SQLite3($_SERVER['tracker']['db_path']); }
// insufficient write permissions are the most likely cause
catch (Exception $e)
{
// relay the specific error message
tracker_error($e->getMessage() . ' - verify chmod 0777 on db directory');
}
// create database tables
self::$db->exec(
// begin query transaction
'BEGIN TRANSACTION; ' .
// create peers table
'CREATE TABLE IF NOT EXISTS peers ' .
'(info_hash BLOB, peer_id BLOB, compact BLOB, ip TEXT, ' .
'port INTEGER DEFAULT 0, state INTEGER DEFAULT 0, ' .
'updated INTEGER DEFAULT 0); ' .
// create tasks table
'CREATE TABLE IF NOT EXISTS tasks' .
'(name TEXT, value INTEGER DEFAULT 0); ' .
// create index on info_hash & peer_id
'CREATE UNIQUE INDEX IF NOT EXISTS i0 ' .
'ON peers(info_hash, peer_id); ' .
// end transaction and commit
'COMMIT;'
) OR tracker_error('failed to create database tables');
}
// tweak sqlite performance
self::$db->exec(
// disable synchronous updates
'PRAGMA synchronous = OFF; ' .
// write journal files to memory
'PRAGMA journal_mode = MEMORY; ' .
// write temporary tables,indices to memory
'PRAGMA temp_store = MEMORY;'
) OR tracker_error('failed to set sqlite3 options');
}
// close database connection
public static function close()
{
self::$db->close();
}
// database cleanup
public static function clean()
{
// run cleanup once per announce interval
// check 'clean_idle_peers'% of the time to avoid excess queries
if (mt_rand(1, $_SERVER['tracker']['clean_idle_peers']) == 1)
{
// unix timestamp
$time = time();
// fetch last cleanup time
if (($last = self::$db->querySingle(
// select last cleanup from tasks
"SELECT value FROM tasks WHERE name='prune';"
) + 0) == 0)
{
self::$db->exec(
// begin query transaction
'BEGIN TRANSACTION; ' .
// set tasks value prune to current unix timestamp
"INSERT OR REPLACE INTO tasks VALUES('prune', {$time}); " .
// delete peers that have been idle too long
'DELETE FROM peers WHERE updated < ' .
// idle length is announce interval x 2
($time - ($_SERVER['tracker']['announce_interval'] * 2)) . '; ' .
// end transaction and commit
'COMMIT;'
) OR tracker_error('could not perform maintenance');
}
// prune idle peers
elseif (($last + $_SERVER['tracker']['announce_interval']) < $time)
{
self::$db->exec(
// begin query transaction
'BEGIN TRANSACTION; ' .
// set tasks value prune to current unix timestamp
"UPDATE tasks SET value={$time} WHERE name='prune'; " .
// delete peers that have been idle too long
'DELETE FROM peers WHERE updated < ' .
// idle length is announce interval x 2
($time - ($_SERVER['tracker']['announce_interval'] * 2)) . '; ' .
// end transaction and commit
'COMMIT;'
) OR tracker_error('could not perform maintenance');
}
}
}
// insert new peer
public static function new_peer()
{
// build peer query
$peer = self::$db->prepare(
// insert into the peers table
'INSERT OR IGNORE INTO peers (info_hash, peer_id, compact, ip, port, state, updated) ' .
// 20-byte info_hash, 20-byte peer_id, 6-byte compacted peer info
'VALUES (:info_hash, :peer_id, :compact, ' .
// dotted decimal string ip, integer port, integer state and unix timestamp updated
"'{$_GET['ip']}', {$_GET['port']}, {$_SERVER['tracker']['seeding']}, " . time() . '); '
);
// assign binary data
$peer->bindValue(':info_hash', $_GET['info_hash'], SQLITE3_BLOB);
$peer->bindValue(':peer_id', $_GET['peer_id'], SQLITE3_BLOB);
$peer->bindValue(':compact', pack('Nn', ip2long($_GET['ip']), $_GET['port']), SQLITE3_BLOB);
// execute peer insert
if ($peer->execute()) $peer->close(); else tracker_error('failed to add new peer data');
}
// full peer update
public static function update_peer()
{
// build peer query
$peer = self::$db->prepare(
// update the 6-byte compacted peer info, dotted decimal string ip, integer port
"UPDATE peers SET compact=:compact, ip='{$_GET['ip']}', port={$_GET['port']}, " .
// integer state and unix timestamp updated
"state={$_SERVER['tracker']['seeding']}, updated=" . time() .
// that matches the given info_hash and peer_id
" WHERE info_hash=:info_hash AND peer_id=:peer_id;"
);
// assign binary data
$peer->bindValue(':info_hash', $_GET['info_hash'], SQLITE3_BLOB);
$peer->bindValue(':peer_id', $_GET['peer_id'], SQLITE3_BLOB);
$peer->bindValue(':compact', pack('Nn', ip2long($_GET['ip']), $_GET['port']), SQLITE3_BLOB);
// execute peer update
if ($peer->execute()) $peer->close(); else tracker_error('failed to update peer data');
}
// update peers last access time
public static function update_last_access()
{
// build peer query
$peer = self::$db->prepare(
// set updated to the current unix timestamp
'UPDATE peers SET updated=' . time() .
// that matches the given info_hash and peer_id
' WHERE info_hash=:info_hash AND peer_id=:peer_id;'
);
// assign binary data
$peer->bindValue(':info_hash', $_GET['info_hash'], SQLITE3_BLOB);
$peer->bindValue(':peer_id', $_GET['peer_id'], SQLITE3_BLOB);
// execute peer update
if ($peer->execute()) $peer->close(); else tracker_error('failed to update peers last access');
}
// remove existing peer
public static function delete_peer()
{
// build peer query
$peer = self::$db->prepare(
// delete a peer from the peers table that matches the given info_hash and peer_id
'DELETE FROM peers WHERE info_hash=:info_hash AND peer_id=:peer_id;'
);
// assign binary data
$peer->bindValue(':info_hash', $_GET['info_hash'], SQLITE3_BLOB);
$peer->bindValue(':peer_id', $_GET['peer_id'], SQLITE3_BLOB);
// execute peer delete
if ($peer->execute()) $peer->close(); else tracker_error('failed to remove peer data');
}
// tracker event handling
public static function event()
{
// build peer query
$peer = self::$db->prepare(
// select a peer from the peers table that matches the given info_hash and peer_id
'SELECT ip, port, state FROM peers WHERE info_hash=:info_hash AND peer_id=:peer_id;'
);
// assign binary data
$peer->bindValue(':info_hash', $_GET['info_hash'], SQLITE3_BLOB);
$peer->bindValue(':peer_id', $_GET['peer_id'], SQLITE3_BLOB);
// execute peer select & cleanup
$success = $peer->execute() OR tracker_error('failed to select peer data');
$pState = $success->fetchArray(SQLITE3_NUM);
$success->finalize();
$peer->close();
// process tracker event
switch ((isset($_GET['event']) ? $_GET['event'] : false))
{
// client gracefully exited
case 'stopped':
// remove peer
if (isset($pState[2])) self::delete_peer();
break;
// client completed download
case 'completed':
// force seeding status
$_SERVER['tracker']['seeding'] = 1;
// client started download
case 'started':
// client continuing download
default:
// new peer
if (!isset($pState[2])) self::new_peer();
// peer status
elseif (
// check that ip addresses match
$pState[0] != $_GET['ip'] ||
// check that listening ports match
($pState[1]+0) != $_GET['port'] ||
// check whether seeding status match
($pState[2]+0) != $_SERVER['tracker']['seeding']
) self::update_peer();
// update time
else self::update_last_access();
}
}
// tracker peer list
public static function peers()
{
// fetch peer total
$peer = self::$db->prepare(
// select a count of the number of peers that match the given info_hash
'SELECT COUNT(*) FROM (SELECT 1 FROM peers WHERE info_hash=:info_hash);'
);
// assign binary data
$peer->bindValue(':info_hash', $_GET['info_hash'], SQLITE3_BLOB);
// execute peer row count & cleanup
$success = $peer->execute() OR tracker_error('failed to select peer count');
$total = $success->fetchArray(SQLITE3_NUM);
$success->finalize();
$peer->close();
// prepare query
$peer = self::$db->prepare(
// select
'SELECT ' .
// 6-byte compacted peer info
($_GET['compact'] ? 'compact ' :
// 20-byte peer_id
(!$_GET['no_peer_id'] ? 'peer_id, ' : '') .
// dotted decimal string ip, integer port
'ip, port '
) .
// from peers table matching info_hash
'FROM peers WHERE info_hash=:info_hash' .
// less peers than requested, so return them all
($total[0] <= $_GET['numwant'] ? ';' :
// if the total peers count is low, use SQL RANDOM
($total[0] <= $_SERVER['tracker']['random_limit'] ?
" ORDER BY RANDOM() LIMIT {$_GET['numwant']};" :
// use a more efficient but less accurate RANDOM
" LIMIT {$_GET['numwant']} OFFSET " .
mt_rand(0, ($total[0]-$_GET['numwant'])) . ';'
)
)
);
// begin response
$response = 'd8:intervali' . $_SERVER['tracker']['announce_interval'] .
'e12:min intervali' . $_SERVER['tracker']['min_interval'] .
'e5:peers';
// assign binary data
$peer->bindValue(':info_hash', $_GET['info_hash'], SQLITE3_BLOB);
// execute peer selection
$success = $peer->execute() OR tracker_error('failed to select peers');
// compact announce
if ($_GET['compact'])
{
// peers list
$peers = '';
// build response
while ($p = $success->fetchArray(SQLITE3_NUM)) $peers .= $p[0];
// 6-byte compacted peer info
$response .= strlen($peers) . ':' . $peers;
}
// dictionary announce
else
{
// list start
$response .= 'l';
// include peer_id
if (!$_GET['no_peer_id'])
{
// dotted decimal string ip, 20-byte peer_id, integer port
while ($p = $success->fetchArray(SQLITE3_NUM)) $response .= 'd2:ip' . strlen($p[1]) . ":{$p[1]}" . "7:peer id20:{$p[0]}4:porti{$p[2]}ee";
}
// omit peer_id
else
{
// dotted decimal string ip, integer port
while ($p = $success->fetchArray(SQLITE3_NUM)) $response .= 'd2:ip' . strlen($p[0]) . ":{$p[0]}4:porti{$p[1]}ee";
}
// list end
$response .= 'e';
}
// send response
echo $response . 'e';
// cleanup
$success->finalize();
$peer->close();
unset($peers);
}
// scrape info_hash
public function scrape()
{
// begin response
$response = 'd5:filesd';
// scrape info_hash
if (isset($_GET['info_hash']))
{
// prepare query
$query = self::$db->prepare(
// total seeders and leechers
'SELECT SUM(state=1), SUM(state=0) ' .
// that match info_hash
'FROM peers WHERE info_hash=:info_hash;'
);
// assign binary data
$query->bindValue(':info_hash', $_GET['info_hash'], SQLITE3_BLOB);
// scrape
$success = $query->execute() OR tracker_error('unable to scrape the requested torrent');
$scrape = $success->fetchArray(SQLITE3_NUM);
// 20-byte info_hash, integer complete, integer downloaded, integer incomplete
$response .= "20:{$_GET['info_hash']}d8:completei" . ($scrape[0]+0) .
'e10:downloadedi0e10:incompletei' . ($scrape[1]+0) . 'ee';
// cleanup
$success->finalize();
$query->close();
}
// full scrape
else
{
// scrape
$query = self::$db->query(
// select info_hash, total seeders and leechers
'SELECT info_hash, SUM(state=1), SUM(state=0) ' .
// from peers grouped by info_hash
'FROM peers GROUP BY info_hash;'
) OR tracker_error('unable to perform a full scrape');
// 20-byte info_hash, integer complete, integer downloaded, integer incomplete
while ($scrape = $query->fetchArray(SQLITE3_NUM)) $response .= "20:{$scrape[0]}d8:completei{$scrape[1]}e10:downloadedi0e10:incompletei{$scrape[2]}ee";
// cleanup
$query->finalize();
}
// send response
echo $response . 'ee';
}
// tracker statistics
public static function stats()
{
// get stats
$query = self::$db->query(
// select seeders and leechers
'SELECT SUM(state=1), SUM(state=0), ' .
// unique torrents from peers
'COUNT(DISTINCT info_hash) FROM peers;'
) OR tracker_error('failed to retrieve tracker statistics');
$stats = $query->fetchArray(SQLITE3_NUM);
// output format
switch ($_GET['stats'])
{
// xml
case 'xml':
header('Content-Type: text/xml');
echo '<?xml version="1.0" encoding="ISO-8859-1"?>' .
'<tracker version="$Id: tracker.sqlite3.php 148 2009-11-16 23:18:28Z trigunflame $">' .
'<peers>' . number_format($stats[0] + $stats[1]) . '</peers>' .
'<seeders>' . number_format($stats[0]) . '</seeders>' .
'<leechers>' . number_format($stats[1]) . '</leechers>' .
'<torrents>' . number_format($stats[2]) . '</torrents></tracker>';
break;
// json
case 'json':
header('Content-Type: text/javascript');
echo '{"tracker":{"version":"$Id: tracker.sqlite3.php 148 2009-11-16 23:18:28Z trigunflame $",' .
'"peers": "' . number_format($stats[0] + $stats[1]) . '",' .
'"seeders":"' . number_format($stats[0]) . '",' .
'"leechers":"' . number_format($stats[1]) . '",' .
'"torrents":"' . number_format($stats[2]) . '"}}';
break;
// standard
default:
echo '<!doctype html><html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8">' .
'<title>PeerTracker: $Id: tracker.sqlite3.php 148 2009-11-16 23:18:28Z trigunflame $</title>' .
'<body><pre>' . number_format($stats[0] + $stats[1]) .
' peers (' . number_format($stats[0]) . ' seeders + ' . number_format($stats[1]) .
' leechers) in ' . number_format($stats[2]) . ' torrents</pre></body></html>';
}
// cleanup
$query->finalize();
}
}
?>