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

需求:

get the offer tracking link

follow the redirect to get google play url

Go to http://apps.evozi.com/apk-downloader/

Enter google play url

Download APK file

Decompile APK file using https://code.google.com/p/android-apktool/wiki/ApktoolOptions#Decompile_Options

Extract this file

[app name]/smali/com/kochava/android/tracker/Global.smali

Extract this line

.field public static final SDK_VERSION:Ljava/lang/String; = “Android20141023”

This output the Kochava SDK version numbe

脚本的目的就是将上面的操作步骤自动化

运行脚本之前必须在linux里安装apktool和java环境

操作演示：

上面输入的是应用的包名字，你也可以输入对应的google play url:     https://play.google.com/store/apps/details?hl=en&id=com.priceline.android.negotiator

以下是代码：

1 <?php2 fwrite(STDOUT, "please enter the google play url or app package name: ");3 $url = trim(fgets(STDIN));4 $name_reg="/id=([^&]+)/";5 preg_match($name_reg,$url,$name);6 if(empty($name)){7 $packagename=$url;8 }else{9 $packagename=$name[1];10 }11 functiongetParameter(){12 $url="http://apps.evozi.com/apk-downloader";13 $context=file_get_contents($url);14 preg_match("/var evoziJsData = {(.+)};/",$context,$json);15 $t=explode(",",$json[1]);16 foreach($t as $key=>$value){17 $value=str_replace(' ','',$value);18 $t[$key]=$value;19 }20 $token_value=explode(":",$t[1]);21 $t_value=$token_value[1];22 $dtrken=explode(":",$t[2]);23 $patten="/var ".$dtrken[1]." = '(.+)';/";24 preg_match($patten,$context,$daw);25 $dtrken[1]=$daw[1];26 return array("t"=>$t_value,"dtrken"=>$dtrken);27 }28 function ajaxPost($packagename) {29 $tk=getParameter();30 $t=$tk['t'];31 $dtrken_key=$tk['dtrken'][0];32 $dtrken_value=$tk['dtrken'][1];33 $post_url='http://api.evozi.com/apk-downloader/download';34 $data = 'packagename='.$packagename.'&t='.$t.'&'.$dtrken_key.'='.$dtrken_value.'&fetch=false';35 $ch =curl_init();36 $headers = array('content-type: application/x-www-form-urlencoded;charset=UTF-8');37 curl_setopt($ch, CURLOPT_URL, $post_url);38 curl_setopt($ch, CURLOPT_POSTFIELDS, $data);39 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);40 curl_setopt($ch, CURLOPT_POST, 1);41 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);42 $results = curl_exec($ch);43 curl_close($ch);44 $results = json_decode($results);45 return $results;46 }47 function getVersion($packagename){48 $version="/Android[0-9]+/";49 $path=$packagename."/smali/com/kochava/android/tracker";50 $filename1="Global.smali";51 $filename2="a.smali";52 if(is_dir($path)){53 $file=scandir($path);54 foreach($file as $key=>$value){55 $filename=$value;56 if(isset($filename)&file_exists($path."/".$filename)){57 $context=file_get_contents($path."/".$filename);58 preg_match($version,$context,$v);59 if(!empty($v)){60 $vs=$v[0];61 break;62 }63 }64 }65 if(isset($vs)){66 $info=array("status"=>200,"description"=>"success detection in the file:".$filename,"version"=>$vs);67 }else{68 $info=array("status"=>203,"description"=>"failure detection in all the .smal file:(".$file."),we can't find the android version number");69 }70 }else{71 $info=array("status"=>201,"description"=>"there is no such directory:".$path);72 }73 $info=json_encode($info);74 return $info;75 }76 function getFile($file_path,$file_name){77 exec("sudo wget -O $file_name $file_path");78 }79 function deCompileApk($file_name){80 print_r("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++start decompile apk,this may need a long time,please wait...++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++".PHP_EOL);81 exec("sudo apktool d $file_name");82 print_r("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++decompile end++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++".PHP_EOL);83 }84 function delFile($packagename,$file_name){85 exec("sudo rm -f $file_name");86 exec("sudo rm -rf $packagename");87 }88 $result=ajaxPost($packagename);89 if($result->status=="success"){90 $file_name=$packagename."."."apk";91 $downloadUrl=$result->url;92 $downloadUrl=preg_replace("/&/i", "\&", $downloadUrl);93 getFile($downloadUrl,$file_name);94 deCompileApk($file_name);95 $info=getVersion($packagename);96 delFile($packagename,$file_name);97 }else{98 $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!");99 $info=json_encode($tinfo);100 }101 print_r($info.PHP_EOL);102 ?>