某音去水印视频接口源码 (PHP版)

某音去水印视频接口源码 (PHP版)
1、复制分享链接，如：http://v.douyin.com/2CoDUQ
2、传入URL参数 _u ，如：http//localhost/douyin.php?_u=http://v.douyin.com/2CoDUQ
3、直接访问返回数据：

{
"code": 0,
"errMsg": "success",
"videoUrl": "http://v3-dy.ixigua.com/8b4fe1e7b51e4149aed8588b29a81de0/5c94c693/video/m/2200cdd9ab610d84c63854d21774c14e6851161aaade0000341693e2e587/?rc=ajZyeGQ6cHFwbDMzaWkzM0ApQHRAbzZENTQ0OTczNDc6OzU2PDNAKXUpQGczdylAZmxkamV6aGhkZjs0QDQyL3Ffb2BoNl8tLTEtMHNzLW8jbyMyLzU0MC0uLS0tLy4vLS4vaTpiLW8jOmAtbyNtbCtiK2p0OiMvLl4%3D, #此为无水印视频链接
"tmp": 1553250424
}

douyin.php：

<?php
header('Content-type: application/json');
$_u = $_GET['_u'];
function _g($_u,$_n=0) {
  $_h = curl_init();
  curl_setopt($_h, CURLOPT_URL, $_u);
  curl_setopt($_h, CURLOPT_RETURNTRANSFER, 1); 
  curl_setopt($_h, CURLOPT_HEADER, false);
  curl_setopt($_h, CURLOPT_HTTPHEADER, array(
          'user-agent:Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Mobile Safari/537.36'
  ));
  if($_n==1){
    curl_setopt($_h, CURLOPT_NOBODY, 1);
          curl_setopt($_h, CURLOPT_FOLLOWLOCATION, 1);
    curl_exec($_h);
          $_r = curl_getinfo($_h, CURLINFO_EFFECTIVE_URL);
  }else{
    $_r = curl_exec($_h);
  }
  curl_close($_h);
  return $_r;
}
if(strpos($_u,'com') !== false){
          $_u = _g(_g($_u,1));
    preg_match('/class=\"video-player\" src=\"(.*?)\" preload/is', $_u, $_m);
          $_m = str_replace("line=0","line=1",str_replace("playwm","play",$_m[1]));
          $_v = _g($_m,1);
          if($_v==''){
            $_c = 0701.1;
              $_s = 'error';
    }else{
              $_c = 0;
            $_s = 'success';
    }
}else{
        $_c = 0701.2;
          $_s = 'url does not match';
}
echo json_encode(array("code" => $_c, "errMsg" => $_s,"videoUrl" => $_v,"tmp" => time()), JSON_UNESCAPED_SLASHES);
?>

给这个配一个简陋的ajax请求前端

<html>
<head>
</head>
<body>
<script>
function href(){
  var url = document.getElementById("url").value;
var request = new XMLHttpRequest(); // 新建XMLHttpRequest对象
// 发送请求:
request.open("GET", "douyin.php?_u="+url,true);
request.send();
//请求结果:
request.onreadystatechange = function () { // 状态发生变化时，函数被回调
    if (request.readyState === 4) { // 成功完成
        // 判断响应结果:
        if (request.status === 200) { //解析json并输出
        var json = JSON.parse(request.responseText);
         document.getElementById("content").innerHTML = json.videoUrl;//打印key为"videoUrl"的值
        }
    }
}
}
</script> 
  <!--ajax数据显示div-->
  <div id="content"></div>
  <form>
  <input type="text" id="url">
  </form>
  <button type="button" onclick="href()">开始解析</button>
</body>
</html>

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