附件是BT种子时显示详细资源信息插件

【核心代码】

<?php

require "./include/common.inc.php";

@$query = $db->query("SELECT attachment, filename FROM {$tablepre}attachments WHERE aid='$aid'");
if ($query) {
  $btfile=$db->fetch_array($query);
  $btfileext = $btfile['filename'];
  $btfilename = $btfile['attachment'];
}
else {
	echo 'database_error';
	dexit();
}

if (strlen($btfilename) == 0) {
  echo 'no_attach';
  dexit();
}

$fjcd=strlen($btfilename)-8;
if (strtolower(fileext($btfileext))!= "torrent") {
  echo 'not_torrent';
  dexit();
}

$btfilename="./attachments/".$btfilename;

include("include/BDecode.php");
include("include/BEncode.php");
      
function announceoutput($array)
{
	if (!isset($array["peers"][0]))
	{
		echo "Not a tracker announce block. Falling back on classic.<BR><BR>";
		classicoutput($array, "(Not checked)");
		exit;
	}
	echo "<H2>Client configuration options</H2>";
	echo "<TABLE BORDER=0 CELLPADDING=2 CELLSPACING=2> ";
	foreach ($array as $left => $right)
	{
		if ($left == "peers")
			continue;
		if (is_array($right))
			$myright = "<I>Error</I>";
		else
			$myright = $right;
		echo "<TR><TD ALIGN=RIGHT>".$left."</TD><TD>".$myright."</TD></TR>\n";
	}
	echo "</TABLE><BR><H2>Peers</H2><PRE>";
	foreach ($array["peers"] as $data)
	{
		if (!is_array($data)) // special case: [0] == true  means empty list
		{
			echo "(Empty results)\n";
			break;
		}
		echo bin2hex($data["peer id"])." at ".$data["ip"].":".$data["port"]."\n";
	}
	echo "</PRE>";
}

function classicoutput($array, $infohash)
{

	if (isset($array["info"]["pieces"]))
		$array["info"]["pieces"] = "<i>Checksum data (" . strlen ($array["info"]["pieces"]) / 20 . " pieces)</i>";


	//echo "Info hash: <TT>$infohash</TT><BR>";
	echo "<PRE>";

		//print_r(cleaner($array));

	echo "</PRE>";

}

function escapeURL($url)
{
	$ret = "";
	$i=0;
	while (strlen($url) > $i)
	{
		$ret .= "%".$url[$i].$url[$i   1];
		$i =2;
	}
	return $ret;
}


function cleaner($array)
{
	if (!is_array($array))
		return $array;
	$newarray = array();
	foreach($array as $left => $right)
	{
		if (is_string($left))
			$newleft = stringcleaner(stripslashes($left));
		else
			$newleft = $left;

		if (is_string($right))
			$newright = stringcleaner($right);
		else if (is_array($right))
			$newright = cleaner($right);
		else
			$newright = $right;

		$newarray[$newleft] = $newright;
	}
	return $newarray;
}

function stringcleaner($str)
{
	
	$len = strlen($str);
	for ($i=0; $i < $len; $i   )
	{
		if (ord($str[$i]) < 32 || ord($str[$i]) > 128)
			return "<B>".bin2hex($str)."</B>";
	}
	return $str;
}

function sizecount($filesize) {
	if($filesize >= 1073741824) {
		$filesize = round($filesize / 1073741824 * 100) / 100 . ' GB';
	} elseif($filesize >= 1048576) {
		$filesize = round($filesize / 1048576 * 100) / 100 . ' MB';
	} elseif($filesize >= 1024) {
		$filesize = round($filesize / 1024 * 100) / 100 . ' KB';
	} else {
		$filesize = $filesize . ' Bytes';
	}
	return $filesize;
}

$fd = @fopen($btfilename, "rb");
if (!$fd) {
	showmessage("该附件可能已被删除");
}
$alltorrent = fread($fd, filesize($btfilename));
		fclose($fd);
$array = BDecode($alltorrent);
$infohash = "<I>Not applicable</I>";

if (isset($array["info"]))
		if (is_array($array["info"])) {
			if (function_exists("sha1"))
				$infohash = sha1(BEncode($array["info"]));
			else
				$infohash = "(PHP 4.3.0 or greater is required for hashing)</TT><BR>";
		}

		if (isset($array["creation date"])) {
			if (is_numeric($array["creation date"]))
				$data=date("Y 年 m 月 d 日", $array["creation date"]);
			else
				$data=$array["creation date"];
		}
		
		$info = $array["info"]; // I'll need it
		
		if (isset($info["files"])) {
			foreach ($info["files"] as $file) {
				if (isset($file["path"][1])) {
					$files.=$file["path"][0];
					for ($i=1; isset($file["path"][$i]); $i  )
						$files.="/".$file["path"][$i];
				}
				else {
					$files.=$file["path"][0];
				}
				$files.= "&nbsp;&nbsp;&nbsp;<font color='blue'>(".sizecount($file["length"]).")</font><BR>";
				$allsize=$allsize $file["length"];
			}
		}
		else {
			$files=$info["name"]."&nbsp;&nbsp;&nbsp;<font color='blue'>(".sizecount($info["length"]).")</font>";
			$info["name"]="";
      $allsize=$info["length"];
    }

$allsize=sizecount($allsize);
include template('track');

?>