php脚本生成google play url的下载链接，下载apk并自动反编译后获取android版本号

 <?php

    fwrite(STDOUT, "please enter the google play url or app package name: ");

    $url = trim(fgets(STDIN));

    $name_reg="/id=([^&]+)/";

    preg_match($name_reg,$url,$name);

    if(empty($name)){

           $packagename=$url;

    }else{

           $packagename=$name[1];

    }

    function getParameter(){

       $url="http://apps.evozi.com/apk-downloader";

          $context=file_get_contents($url);

          preg_match("/var evoziJsData = {(.+)};/",$context,$json);

          $t=explode(",",$json[1]);

          foreach($t as $key=>$value){

              $value=str_replace(' ','',$value);

              $t[$key]=$value;

          }

          $token_value=explode(":",$t[1]);

          $t_value=$token_value[1];

          $dtrken=explode(":",$t[2]);

          $patten="/var ".$dtrken[1]." = '(.+)';/";

          preg_match($patten,$context,$daw);

          $dtrken[1]=$daw[1];

          return array("t"=>$t_value,"dtrken"=>$dtrken);

    }

    function ajaxPost($packagename) {

          $tk=getParameter();

          $t=$tk['t'];

          $dtrken_key=$tk['dtrken'][0];

          $dtrken_value=$tk['dtrken'][1];

             $post_url='http://api.evozi.com/apk-downloader/download';

           $data = 'packagename='.$packagename.'&t='.$t.'&'.$dtrken_key.'='.$dtrken_value.'&fetch=false';

             $ch = curl_init();

             $headers = array('content-type: application/x-www-form-urlencoded;charset=UTF-8');

             curl_setopt($ch, CURLOPT_URL, $post_url);

             curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

             curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

             curl_setopt($ch, CURLOPT_POST, 1);

             curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

             $results = curl_exec($ch);

             curl_close($ch);

             $results = json_decode($results);

             return $results;

         }

         function getVersion($packagename){

               $version="/Android[0-9]+/";

               $path=$packagename."/smali/com/kochava/android/tracker";

               $filename1="Global.smali";

               $filename2="a.smali";

               if(is_dir($path)){

                     $file=scandir($path);

                     foreach($file as $key=>$value){

                           $filename=$value;

                           if(isset($filename)&file_exists($path."/".$filename)){

                                     $context=file_get_contents($path."/".$filename);

                                     preg_match($version,$context,$v);

                                     if(!empty($v)){

                                        $vs=$v[0];

                                        break;

                                     }

                         }

                     }

                     if(isset($vs)){

                           $info=array("status"=>200,"description"=>"success detection in the file:".$filename,"version"=>$vs);

                      }else{

                           $info=array("status"=>203,"description"=>"failure detection in all the .smal file:(".$file."),we can't find the android version number");

                      }

               }else{

                    $info=array("status"=>201,"description"=>"there is no such directory:".$path);

               }

               $info=json_encode($info);

               return $info;

         }

         function getFile($file_path,$file_name){

             exec("sudo wget -O $file_name $file_path");

         }

         function deCompileApk($file_name){

                   print_r("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++start decompile apk,this may need a long time,please wait...++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++".PHP_EOL);

                   exec("sudo apktool d $file_name");

                   print_r("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++decompile end++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++".PHP_EOL);

         }

         function delFile($packagename,$file_name){

                   exec("sudo rm -f $file_name");

                   exec("sudo rm -rf $packagename");

         }

         $result=ajaxPost($packagename);

         if($result->status=="success"){

              $file_name=$packagename."."."apk";

            $downloadUrl=$result->url;

            $downloadUrl=preg_replace("/&/i", "\&", $downloadUrl);

        getFile($downloadUrl,$file_name);

        deCompileApk($file_name);

        $info=getVersion($packagename);

        delFile($packagename,$file_name);

         }else{

              $tinfo=array("status"=>204,"description"=>"we can't generate Download Link from http://apps.evozi.com/apk-downloader/,please check your input of google play url or app package name!");

              $info=json_encode($tinfo);

         }

         print_r($info.PHP_EOL);

 ?>