PHP获取蓝奏云直链下载地址

PHP获取蓝奏云直链的源码案例
可以用来做api调用到网站做下载
演示地址：https://api.mlooc.cn/lanzou/
用法：
直接下载：https://api.mlooc.cn/lanzou/?url=https://www.lanzous.com/i1a18af&type=down
输出链接：https://api.mlooc.cn/lanzou/?url=https://www.lanzous.com/i1a18af

<?php
/**
* @package Lanzou
* @author Mlooc
* @version 1.0.0
* @link https://mlooc.cn
*/
function MloocCurl($url,$method,$ifurl,$post_data){
$UserAgent = 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36';#设置ua
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_USERAGENT, $UserAgent);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
if ($method == "post") {
curl_setopt($curl, CURLOPT_REFERER, $ifurl); 
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $post_data);
}
$response = curl_exec($curl);
curl_close($curl);
return $response;
}
if (!empty($_GET['url'])) {
$url = $_GET['url'];
#第一步
$ruleMatchDetailInList = "~ifr2\"\sname=\"[\s\S]*?\"\ssrc=\"\/(.*?)\"~";
preg_match($ruleMatchDetailInList, MloocCurl($url,null,null,null),$link);
$ifurl = "https://www.lanzous.com/".$link[1];
#第二步
$ruleMatchDetailInList = "~=\s'(.*?)';[\S\s]*?=\s'(.*?)'[\S\s]*?=\s'(.*?)'[\S\s]*?=\s'(.*?)'~";
preg_match($ruleMatchDetailInList, MloocCurl($ifurl,null,null,null),$segment);
#第三步
#post提交的数据
$post_data = array(
"action" => $segment[1],
"file_id" => $segment[2],
"t" => $segment[3],
"k" => $segment[4]
);
$obj = json_decode(MloocCurl("https://www.lanzous.com/ajaxm.php","post",$ifurl,$post_data));#json解析
if ($obj->dom == "") {#判断链接是否正确
echo "链接有误！";
}else{
$downUrl = $obj->dom."/file/".$obj->url;
if (!empty($_GET['type'])) {
$type = $_GET['type'];
if ($type == "down") {
header('Location:'.$downUrl);#直接下载
}else{
echo $obj->dom."/file/".$obj->url;#输出直链
}
}else{
echo $obj->dom."/file/".$obj->url;#输出直链
}
}
}else{
$result_url = str_replace("index.php","","//".$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF']."?url=https://www.lanzous.com/i19zisb");
echo "示列：";
echo "<br/>";
echo "直接下载："."<a href='".$result_url."&type=down' target='_blank'>".$result_url."&type=down</a>";
echo "<br/>";
echo "输出直链："."<a href='".$result_url."' target='_blank'>".$result_url."</a>";
}
?>

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