[PHP] pobierz, plaintext 
<?php
 
if (!defined("LICENSE_KEY_INC") ) {
	define("LICENSE_KEY_INC",1) ;
 
class license_key{  
	var $keylen= 20;
	var $basechar='23456789ABCDEFGHJKLMNPQRSTUVWXYZ';
	var $formatstr= '55555'; 
	var $isvalid="YES"; 
	var $invalid="NO"; 
	var $software=""; 
 
	function codeGenerate($name=""){
		$keylen= $this->keylen;
		$initlen=$this->initLen();
		$initcode=$this->initCode($initlen);
		$fullcode=$this->extendCode($initcode,$name);
		return $this->formatLicense($fullcode);
	}
 
	function codeValidate($serial,$name=""){
		if(empty($serial)|| $serial=="")return $this->invalid;
		$serial=str_replace("-","",$serial);
		$serial=strtoupper($serial);
		$serial=str_replace(array("0","1","O","I",),
							array("","","","",),
							$serial);
		$keylen= $this->keylen; 
		$thislen=strlen($serial);
		if($keylen<>$thislen)return $this->invalid;
		$initlen=$this->initLen();
		$initcode=substr($serial,0,$initlen);
		$extendedcode=$this->extendCode($initcode,$name);
		$fullcode=substr($extendedcode,0,$keylen);
		if($fullcode==$serial) return $this->isvalid;
		else return $this->invalid;
	}
 
	function initCode($length=14){
		$list=$this->basechar;
		$lenlist=strlen($list)-1; 
		$codestring="";
		$length=max($length,1);
		if($length>0){
			while(strlen($codestring)<$length){
				$codestring.=$list[mt_rand(0,$lenlist)];
			}
		}
		return $codestring;
	}
 
	function extendCode($initcode,$name) {
		$software=$this->software;
		$p1str=$this->sumDigit($initcode);
		$p1str.=$this->add32($initcode,$name."abhishek".$software);
		$p1str=strtoupper($p1str);
		$p1str=str_replace(	array("0","1","O","I",),
							array("","","","",),
							$p1str);
		$p1len=strlen($p1str);
		$extrabit="";$i=0;
		while(strlen($extrabit)<$this->keylen-2) {
			$extrabit.=substr($p1str,$i,1);
			$extrabit.=substr($p1str,$p1len-$i-1,1);
			$i++;
			if (defined('LKM_DEBUG'))echo "$p1str $extrabit<br/>";
		}
		return $initcode.$extrabit."6F75";
	}
 
	function formatLicense($serial){
		$farray=str_split($this->formatstr);
		$sarray=str_split($serial);
		$s0=$farray[0];
		$s1=$farray[1]+$s0;
		$s2=$farray[2]+$s1;
		$s3=$farray[3]+$s2;
		$s4=$farray[3]+$s3;
		$scount=$this->keylen;$sformated="";
		for ($i=0;$i<$scount;$i++){
			if($i==$s0||$i==$s1||$i==$s2||$i==$s3||$i==$s4)
				$sformated.="-";
			$sformated.=$sarray[$i];
		}
		if (defined('LKM_DEBUG')) echo " $serial FORMATED AS $sformated<br/>";
 
		return $sformated;
	}
 
	function initLen(){
		$keylen=$this->keylen;
		$initlen=intval($keylen/3);
		$initlen=max($initlen,1);
		return $initlen;
	}
 
	function add32($a,$b){		
		$sum=base_convert($a,36,10)+base_convert($b,36,10);
		$sum32=base_convert($sum,10,36);
		$sum32=str_replace(	array("0","1","O","I","o","i"),
							array("","","","","","",),
							$sum32);
		if (defined('LKM_DEBUG'))echo " ADD32 $a + $b = $sum32<br/>";
		return $sum32;
	}
 
 
	function sumDigit($str){
		$a=str_split($str);$sum=0;
		for($i=0;$i<count($a);$i++)$sum=$sum+base_convert($a[$i],36,10);
		$sum=str_replace(	array("0","1","O","I","o","i"),
							array("AZ","BY","29","38","29","38",),
							$sum);
		if (defined('LKM_DEBUG'))echo " sumDigit  $str = $sum<br/>";
		return $sum;
	}
}
 
}
?>
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
<?php
 
$config = array(
 
	'host' => 'localhost',
	'user' => 'xxxxxxxx',
	'pass' => 'xxxxxxxx',
	'base' => 'xxxxxxxx'
 
);
 
$db = new mysqli($config['host'], $config['user'], $config['pass'], $config['base']);
if($db->connect_errno) {
    exit('Błąd: nie udało się połączyć z bazą danych!');
}
$db->set_charset("utf8");
 
class Main {
	public 	function keygen($domain){
		$key[0] = strtoupper(md5($domain));
		$key[1] = substr($key[0], 0, 5);
		$key[2] = substr($key[0], 5, 5);
		$key[3] = substr($key[0], 10, 5);
		$key[4] = substr($key[0], 15, 5);
		$key[5] = substr($key[0], 20, 5);
 
		return $key[1].'-'.$key[2].'-'.$key[3].'-'.$key[4].'-'.$key[5];
	}
 
	public function getLicInfo($domain){
		global $db, $config;
 
		$sql = "SELECT * FROM `lic` WHERE `domain` = '{$domain}' LIMIT 1";
		$result = $db->query($sql);
 
		if($result->num_rows == 1){
			return $result->fetch_assoc();
		}
		return false;
	}
}
 
$main = new Main;
 
$domain = "".$_GET['domain']."";
$key = strtoupper($_GET['key']);
 
 
 
if($lic = $main->getLicInfo($domain)){
	if($lic['license_status']){
		$twokey = $main->keygen($lic['license_domain']);
		if($twokey == $key){
			$a = 'OK_'.$lic['license_domain'];
		} else {
			$a = 'ERROR_wrongkey';
		}
	} else {
		$a = 'ERROR_nolicense';
	}
} else {
	$a = 'ERROR_nolicense';
}
 
echo $a;
exit();
?>
[PHP] pobierz, plaintext