php迅雷的链接算法

$thunder = ("Thunder://QUFodHRwOi8vNjAuMTkxLjYwLjEwODo4MDgwL3hweGlhemFpL0RlZXBpbl9HaG9zdF9YUF9WMTguMC5pc29aWg==");

//解密它

$thunder = trim($thunder,'Thunder://');
$c_thunder = base64_decode($thunder);
$c_thunder = ltrim(rtrim($c_thunder,'ZZ'),'AA');

//out [url]http://60.191.60.108:8080/xpxiazai/Deepin_Ghost_XP_V18.0.iso[/url];

//加密它

$a_link = 'http://60.191.60.108:8080/xpxiazai/Deepin_Ghost_XP_V18.0.iso';
$a_link = sprintf('AA%sZZ',$a_link);
$a_link = sprintf('Thunder://%s',base64_encode($a_link));
//out Thunder://QUFodHRwOi8vNjAuMTkxLjYwLjEwODo4MDgwL3hweGlhemFpL0RlZXBpbl9HaG9zdF9YUF9WMTguMC5pc29aWg== ?>