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);
?>