php调用蓝奏云下载接口

支持检测文件是否被取消

支持带密码的文件分享链接但不支持分享的文件夹

支持生成直链或直接下载

增加ios应用在线安装
使用方法：
url:蓝奏云外链链接

type:是否直接下载 值：down

pwd:外链密码
实例：
直接下载
无密码：
http://fjys.qianglikeji.com/lz.php?url=https://www.lanzous.com/i46wrcb&type=down
有密码：
http://fjys.qianglikeji.com/lz.php?url=https://www.lanzous.com/i46wrcb&type=down&pwd=1pud
输出直链：
无密码：
http://fjys.qianglikeji.com/lz.php?url=https://www.lanzous.com/i46wrcb
有密码：
http://fjys.qianglikeji.com/lz.php?url=https://www.lanzous.com/i46wrcb&pwd=1pud

/**
 * @package Lanzou
 * @author Filmy
 * @version 1.2.1
 * @link https://mlooc.cn
 */
header('Access-Control-Allow-Origin:*');
header('Content-Type:application/json; charset=utf-8');
$url = isset($_GET['url']) ? $_GET['url'] : "";
$pwd = isset($_GET['pwd']) ? $_GET['pwd'] : "";
$type = isset($_GET['type']) ? $_GET['type'] : "";
if (empty($url)) {
    die(
    json_encode(
        array(
            'code' => 400,
            'msg' => '请输入URL'
        )
        , JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
    );
}
$softInfo = MloocCurlGet($url);
if (strstr($softInfo, "文件取消分享了") != false) {
    die(
    json_encode(
        array(
            'code' => 400,
            'msg' => '文件取消分享了'
        )
        , JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
    );
}
preg_match('~class="b">(.*?)<\/div>~', $softInfo, $softName);
if(!isset($softName[1])){
	preg_match('~
(.*?)
~', $softInfo, $softName);
}
if (strstr($softInfo, "手机Safari可在线安装") != false) {
  	if(strstr($softInfo, "n_file_infos") != false){
      	$ipaInfo = MloocCurlGet($url, 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_1 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.0 Mobile/14E304 Safari/602.1');
    	preg_match('~href="(.*?)" target="_blank" class="appa"~', $ipaInfo, $ipaDownUrl);
    }else{
    	preg_match('~com/(\w+)~', $url, $lanzouId);
        if (!isset($lanzouId[1])) {
            die(
            json_encode(
                array(
                    'code' => 400,
                    'msg' => '解析失败，获取不到文件ID'
                )
                , JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
            );
        }
        $lanzouId = $lanzouId[1];
        $ipaInfo = MloocCurlGet("https://www.lanzous.com/tp/" . $lanzouId, 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_1 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.0 Mobile/14E304 Safari/602.1');
        preg_match('~href="(.*?)" id="plist"~', $ipaInfo, $ipaDownUrl);
    }
    
    $ipaDownUrl = isset($ipaDownUrl[1]) ? $ipaDownUrl[1] : "";
    if ($type != "down") {
        die(
        json_encode(
            array(
                'code' => 200,
                'msg' => '',
                'name' => isset($softName[1]) ? $softName[1] : "",
                'downUrl' => $ipaDownUrl
            )
            , JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
        );
    } else {
        header("Location:$ipaDownUrl");
        die;
    }
}
preg_match("~iframe.*?name=\"[\s\S]*?\"\ssrc=\"\/(.*?)\"~", $softInfo, $link);
$ifurl = "https://www.lanzous.com/" . $link[1];
$softInfo = MloocCurlGet($ifurl);
if (empty($pwd) && strstr($softInfo, "输入密码") != false) {
    die(
    json_encode(
        array(
            'code' => 400,
            'msg' => '请输入分享密码'
        )
        , JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
    );
}
preg_match("~=\s'(.*?)';[\S\s]*?=\s'(.*?)'[\S\s]*?=\s'(.*?)'[\S\s]*?=\s'(.*?)'~", $softInfo, $segment);
$post_data = array(
    "action" => $segment[1],
    "file_id" => $segment[2],
    "t" => $segment[3],
    "k" => $segment[4],
    "c" => "",
    "p" => $pwd,
);
$softInfo = MloocCurlPost($post_data, "https://www.lanzous.com/ajaxm.php", $ifurl);
$softInfo = json_decode($softInfo, true);
if ($softInfo['zt'] != 1) {
    die(
    json_encode(
        array(
            'code' => 400,
            'msg' => $softInfo['inf']
        )
        , JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
    );
}
$downUrl = $softInfo['dom'] . '/file/' . $softInfo['url'];
if ($type != "down") {
    die(
    json_encode(
        array(
            'code' => 200,
            'msg' => '',
            'name' => isset($softName[1]) ? $softName[1] : "",
            'downUrl' => $downUrl
        )
        , JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
    );
} else {
    header("Location:$downUrl");
    die;
}
function MloocCurlGet($url, $UserAgent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36')
{
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
    if ($UserAgent != "") {
        curl_setopt($curl, CURLOPT_USERAGENT, $UserAgent);
    }
    #关闭SSL
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    #返回数据不直接显示
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $response = curl_exec($curl);
    curl_close($curl);
    return $response;
}
function MloocCurlPost($post_data, $url, $ifurl = '', $UserAgent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36')
{
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_USERAGENT, $UserAgent);
    if ($ifurl != '') {
        curl_setopt($curl, CURLOPT_REFERER, $ifurl);
    }
    #关闭SSL
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    #返回数据不直接显示
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $post_data);
    $response = curl_exec($curl);
    curl_close($curl);
    return $response;
}