Файл: adultscript-2.0.3-pro/files/libraries/framework/pagerank.php
Строк: 58
<?php
defined('_VALID') or die('Restricted Access!');
define('GOOGLE_MAGIC', 0xE6359A60);
class VPagerank
{
public static function get($domain)
{
$pagerank = -1;
$ch = "6"._GoogleCH(_strord("info:" . $domain));
$fp = fsockopen("www.google.com", 80, $errno, $errstr, 30);
if ($fp) {
$out = "GET /search?client=navclient-auto&ch=" . $ch . "&features=Rank&q=info:" . $domain . " HTTP/1.1rn";
$out .= "Host: www.google.comrn";
$out .= "Connection: Closernrn";
fwrite($fp, $out);
while (!feof($fp)) {
$data = fgets($fp, 128);
$pos = strpos($data, "Rank_");
if ($pos !== FALSE) {
$pagerank = substr($data, $pos + 9);
}
}
fclose($fp);
}
return $pagerank;
}
}
function _zeroFill($a, $b){
$z = hexdec(80000000);
if ($z & $a)
{
$a = ($a>>1);
$a &= (~$z);
$a |= 0x40000000;
$a = ($a>>($b-1));
} else {
$a = ($a>>$b);
}
return $a;
}
function _mix($a,$b,$c)
{
$a -= $b; $a -= $c; $a ^= (_zeroFill($c,13));
$b -= $c; $b -= $a; $b ^= ($a<<8);
$c -= $a; $c -= $b; $c ^= (_zeroFill($b,13));
$a -= $b; $a -= $c; $a ^= (_zeroFill($c,12));
$b -= $c; $b -= $a; $b ^= ($a<<16);
$c -= $a; $c -= $b; $c ^= (_zeroFill($b,5));
$a -= $b; $a -= $c; $a ^= (_zeroFill($c,3));
$b -= $c; $b -= $a; $b ^= ($a<<10);
$c -= $a; $c -= $b; $c ^= (_zeroFill($b,15));
return array($a,$b,$c);
}
function _GoogleCH($url, $length=null, $init=GOOGLE_MAGIC)
{
if(is_null($length)) {
$length = sizeof($url);
}
$a = $b = 0x9E3779B9;
$c = $init;
$k = 0;
$len = $length;
while ($len >= 12) {
$a += ($url[$k + 0] + ($url[$k + 1] << 8) + ($url[$k + 2] << 16) + ($url[$k + 3] << 24));
$b += ($url[$k + 4] + ($url[$k + 5] << 8) + ($url[$k + 6] << 16) + ($url[$k + 7] << 24));
$c += ($url[$k + 8] + ($url[$k + 9] << 8) + ($url[$k + 10] << 16) + ($url[$k + 11] << 24));
$_mix = _mix($a,$b,$c);
$a = $_mix[0]; $b = $_mix[1]; $c = $_mix[2];
$k += 12;
$len -= 12;
}
$c += $length;
switch ($len) {
case 11: $c += ($url[$k + 10] << 24);
case 10: $c += ($url[$k + 9] << 16);
case 9 : $c += ($url[$k + 8] << 8);
case 8 : $b += ($url[$k + 7] << 24);
case 7 : $b += ($url[$k + 6] << 16);
case 6 : $b += ($url[$k + 5] << 8);
case 5 : $b += ($url[$k + 4]);
case 4 : $a += ($url[$k + 3] << 24);
case 3 : $a += ($url[$k + 2] << 16);
case 2 : $a += ($url[$k + 1] << 8);
case 1 : $a += ($url[$k + 0]);
}
$_mix = _mix($a,$b,$c);
return $_mix[2];
}
function _strord($string)
{
for ($i = 0;$i < strlen($string);$i++) {
$result[$i] = ord($string{$i});
}
return $result;
}