php 代码加密类
- /*
- * @auther:wangyaofeng
- * @time:2014.11.6
- * @action:对php项目进行加密处理,注意如果项目中存在框架目录或没有必要加密的目录,请提前移出
- * */
- class Encryption{
- private $c='';//存储密文
- private $s='',$q1,$q2,$q3,$q4,$q5,$q6;//存储生成的加密后的文件内容
- //如果不设置一个值,isset会表示不存在;
- private $file='';//读取文件的路径
- private $source='',$target='';
- //构造函数,实例化时调用初始化全局变量;
- public function __construct(){
- //初始化全局变量
- $this->initialVar();
- //echo "hello \n";
- }
- /*
- *@input $property_name,$value
- *@output
- * 魔法方法,对变量进行设置值;可根据需求进行处理。若直接去除if判断表示可用设置任何属性的值,包括不存在的属性;
- */
- public function __set($property_name,$value){
- //定义过的变量;
- if(isset($this->$property_name)){
- $this->$property_name = $value;
- }else{
- //异常处理,处理未声明的变量赋值;可根据需求进行处理。
- throw new Exception("property does not exist");
- }
- }
- //魔法方法 取出变量的值;
- public function __get($property_name){
- if(isset($this->$property_name)){
- return $this->$property_name;
- }else{
- //throw new Exception("property does not exist");
- return NULL;
- }
- }
- //取随机排序
- private function RandAbc($length=""){//随机排序取回
- $str="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
- return str_shuffle($str);
- }
- //对明文内容进行加密处理
- private function ciphertext($filename){
- //$filename='index.php';
- $T_k1=$this->RandAbc();
- $T_k2=$this->RandAbc();
- $vstr=file_get_contents($filename);
- $v1=base64_encode($vstr);
- $c=strtr($v1,$T_k1,$T_k2);
- $this->c=$T_k1.$T_k2.$c;
- return $this;
- }
- //初始化变量
- private function initialVar(){
- $this->q1="O00O0O";//base64_decode
- $this->q2="O0O000";//$c(原文经过strtr置换后的密文,由 目标字符+替换字符+base64_encode(‘原文内容’)构成)
- $this->q3="O0OO00";//strtr
- $this->q4="OO0O00";//substr
- $this->q5="OO0000";//52
- $this->q6="O00OO0";//urldecode解析过的字符串(n1zb/ma5\vt0i28-pxuqy*6%6Crkdg9_ehcswo4+f37j)
-
- }
- //生成加密后的模板(复杂版本);
- private function model(){
- //$c = $this->c;
- //$this->initialVar();
- $this->s='q6.'=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");$'.
- $this->q1.'=$'.$this->q6.'{3}.$'.$this->q6.'{6}.$'.$this->q6.'{33}.$'.$this->q6.'{30};$'.$this->q3.'=$'.$this->q6.'{33}.$'.$this->q6.'{10}.$'
- .$this->q6.'{24}.$'.$this->q6.'{10}.$'.$this->q6.'{24};$'.$this->q4.'=$'.$this->q3.'{0}.$'.$this->q6.'{18}.$'.$this->q6.'{3}.$'.$this->q3.'{0}
- .$'.$this->q3.'小贝.$'.$this->q6.'{24};$'.$this->q5.'=$'.$this->q6.'{7}.$'.$this->q6.'{13};$'.$this->q1.'.=$'.$this->q6.'{22}.$'.$this->q6.'{36}
- .$'.$this->q6.'{29}.$'.$this->q6.'{26}.$'.$this->q6.'{30}.$'.$this->q6.'{32}.$'.$this->q6.'{35}.$'.$this->q6.'{26}.$'.$this->q6.'{30};
- eval($'.$this->q1.'("'.base64_encode('$'.$this->q2.'="'.$this->c.'";
- eval(\'?>\'.$'.$this->q1.'($'.$this->q3.'($'.$this->q4.'($'.$this->q2.',$'.$this->q5.'*2),$'.$this->q4.'($'.$this->q2.',$'.$this->q5.',$'.$this->q5.'),
- $'.$this->q4.'($'.$this->q2.',0,$'.$this->q5.'))));').'"));?>';
- return $this;
- }
- //创建加密文件
- private function build($target){
- //$this->encodes("./index.php");
- //$this->model();
- $fpp1 = fopen($target,'w');
- fwrite($fpp1,$this->s) or die('写入是失败!');
- fclose($fpp1);
- return $this;
- }
- //加密处理 连贯操作
- public function encode($file,$target){
- //$file = "index.php";
- //连贯操作其实就是利用函数处理完后返回自身
- $this->ciphertext($file)->model()->build($target);
- echo 'encode------'.$target.'-----ok
';
- }
- //解密
- public function decode($file,$target=''){
- //读取要解密的文件
- $fpp1 = file_get_contents($file);
- $this->decodeMode($fpp1)->build($target);
- echo 'decode------'.$target.'-----ok
';
- }
- //解密模板,得到解密后的文本
- private function decodeMode($fpp1){
- //以eval为标志 截取为数组,前半部分为密文中的替换掉的函数名,后半部分为密文
- $m = explode('eval',$fpp1);
- //对系统函数的替换部分进行执行,得到系统变量
- $varStr = substr($m[0],strpos($m[0],'$'));
- //执行后,后续就可以使用替换后的系统函数名
- eval($varStr);
- //判断是否有密文
- if(!isset($m[1])){
- return $this;
- }
-
- //对密文进行截取 {$this->q4} substr
- $star = strripos($m[1],'(');
- $end = strpos($m[1],')');
- $str = ${$this->q4}($m[1],$star,$end);
- //对密文解密 {$this->q1} base64_decode
- $str = ${$this->q1}($str);
- //截取出解密后的 核心密文
- $evallen = strpos($str,'eval');
- $str = substr($str,0,$evallen);
- //执行核心密文 使系统变量被赋予值 $O0O000
- eval($str);
- //并不能将如下段封装,因为 ${$this->qn} 并不能在全文中起作用
- $this->s = ${$this->q1}(
- ${$this->q3}(
- ${$this->q4}(
- ${$this->q2},${$this->q5}*2
- ),
- ${$this->q4}(
- ${$this->q2},${$this->q5},${$this->q5}
- ),
- ${$this->q4}(
- ${$this->q2},0,${$this->q5}
- )
- )
- );
- return $this;
- }
- //递归读取并创建目标目录结构
- private function targetDir($target){
- if(!empty($target) ) {
- if(!file_exists($target)){
- mkdir($target,0777,true);
- }else{
- chmod($target,0777);
- }
-
- }
- }
-
- //递归解密 对指定文件夹下的php文件解密
- public function decodeDir($source,$target=""){
- if(is_dir($source)){
- $this->targetDir($target);
- $dir = opendir($source);
- while(false!=$file=readdir($dir))
- {
- //列出所有文件并去掉'.'和'..' 此处用的实例为thinkphp框架,所以默认排除里Thinkphp目录,用户可以按照自己的需求设置
- if($file!='.' && $file!='..' && $file !='ThinkPHP')
- {
- $path = $target.DIRECTORY_SEPARATOR.$file;
- $sourcePath = $source.DIRECTORY_SEPARATOR.$file;
- $this->decodeDir($sourcePath,$path);
- }
- }
-
- }else if(is_file($source)){
- $extension=substr($source,strrpos($source,'.')+1);
- if(strtolower($extension)=='php'){
- $this->decode($source,$target);
- }else{
- //不是php的文件不处理
- copy($source, $target);
- }
- //return;
- }
- }
- //递归加密 对指定文件夹下的php文件加密
- public function encodeDir($source,$target){
- if(is_dir($source)){
- $this->targetDir($target);
- $dir = opendir($source);
- while(false!=$file=readdir($dir))
- {
- //列出所有文件并去掉'.'和'..'
- if($file!='.' && $file!='..' && $file !='ThinkPHP')
- {
- $path = $target.DIRECTORY_SEPARATOR.$file;
- $sourcePath = $source.DIRECTORY_SEPARATOR.$file;
- $this->encodeDir($sourcePath,$path);
- }
- }
-
- }else if(is_file($source)){
- $extension=substr($source,strrpos($source,'.')+1);
- if(strtolower($extension)=='php'){
- $this->encode($source,$target);
- }else{
- copy($source, $target);
- }
- }
- }
- }
- $ob = new Encryption();
- $ob->source = "/var/www/bookReservation";
- $ob->target = "/var/www/jiami/bookReservation";
- //解密指定文件
- //$ob->decode('D:\\php\\WWW\\workspace\\weixin2\\Application\\Home\\Controller\\IndexController.class.php');
-
- //$ob->decode('jiami.php');
- //$ob->decode('dam6.php');
- //对一个指定的文件目录进行加密
- $ob->encodeDir($ob->source,$ob->target);
- //对一个指定的文件目录进行解密
- $ob->decodeDir($ob->target,"/var/www/jiami/bookReservationD");
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