/dead/announce.php
PHP | 289 lines | 217 code | 61 blank | 11 comment | 85 complexity | 69b79b995ea00356275f8286ba722012 MD5 | raw file
Possible License(s): GPL-2.0
- <?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 => $msg)));
- hit_end();
- exit();
- }
-
- function benc_resp($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);
- }
-
- foreach (array("passkey","info_hash","peer_id","event","ip", "localip") as $x)
- {
- if(isset($_GET["$x"]))
- $GLOBALS[$x] = "" . $_GET[$x];
- }
-
- foreach (array("port","downloaded","uploaded","left") as $x){
- $GLOBALS[$x] = 0 + $_GET[$x];
- }
- if (strpos($passkey, "?")) {
- $tmp = substr($passkey, strpos($passkey, "?"));
- $passkey = substr($passkey, 0, strpos($passkey, "?"));
- $tmpname = substr($tmp, 1, strpos($tmp, "=")-1);
- $tmpvalue = substr($tmp, strpos($tmp, "=")+1);
- $GLOBALS[$tmpname] = $tmpvalue;
- }
-
-
-
- foreach (array("passkey","info_hash","peer_id","port","downloaded","uploaded","left") as $x)
-
- if (!isset($x)) err("Missing key: $x");
-
- foreach (array("info_hash","peer_id") as $x)
-
- if (strlen($GLOBALS[$x]) != 20) err("Invalid $x (" . strlen($GLOBALS[$x]) . " - " . urlencode($GLOBALS[$x]) . ")");
-
- if (strlen($passkey) != 32) err("Invalid passkey (" . strlen($passkey) . " - $passkey)");
-
-
-
- //if (empty($ip) || !preg_match('/^(d{1,3}.){3}d{1,3}$/s', $ip))
-
- $ip = getip();
-
- $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);
-
- hit_count();
-
- $valid = @mysql_fetch_row(@mysql_query("SELECT COUNT(*) FROM users WHERE passkey=" . sqlesc($passkey)));
-
- if ($valid[0] != 1) err("Invalid passkey! Re-download the .torrent from $BASEURL");
-
- $res = mysql_query("SELECT id, banned, seeders + leechers AS numpeers, UNIX_TIMESTAMP(added) AS ts FROM torrents WHERE " . hash_where("info_hash", $info_hash)) or err('nog een query');
-
- $torrent = mysql_fetch_assoc($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") or err('nog iets');
-
- $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))
- {
- $sql = "SELECT $fields FROM peers WHERE $selfwhere";
- $res = mysql_query($sql) or err('fout');
- $row = mysql_fetch_assoc($res);
- if ($row)
- {
- $userid = $row["userid"];
- $self = $row;
- }
- }
-
-
- //// Up/down stats ////////////////////////////////////////////////////////////
- if (!isset($self))
- {
- $valid = @mysql_fetch_row(@mysql_query("SELECT COUNT(*) FROM peers WHERE torrent=$torrentid AND passkey=" . sqlesc($passkey))) or err('mistake');
- if ($valid[0] >= 1 && $seeder == 'no') err("Connection limit exceeded! You may only leech from one location at a time.");
- if ($valid[0] >= 3 && $seeder == 'yes') err("Connection limit exceeded!");
-
- $rz = mysql_query("SELECT id, uploaded, downloaded, class FROM users WHERE passkey=".sqlesc($passkey)." AND enabled = 'yes' ORDER BY last_access DESC LIMIT 1") or err("Tracker error 2");
- if ($MEMBERSONLY && mysql_num_rows($rz) == 0)
-
- err("Unknown passkey. Please redownload the torrent from $BASEURL.");
- $az = mysql_fetch_assoc($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 ($port == 6699) return true;
-
- if ($port == 2706) 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);
- }
- }
-
- $ret = mysql_query("INSERT INTO peers (connectable, torrent, peer_id, ip, port, uploaded, downloaded, to_go, started, last_action, seeder, userid, agent, uploadoffset, downloadoffset, passkey) VALUES ('$connectable', $torrentid, " . sqlesc($peer_id) . ", " . sqlesc($ip) . ", $port, $uploaded, $downloaded, $left, NOW(), NOW(), '$seeder', $userid, " . sqlesc($agent) . ", $uploaded, $downloaded, " . sqlesc($passkey) . ")") or err('tracker error');
- 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);
- ?>