小乐的博客

原源码来自 https://github.com/xhgzs/LanzouApi

本站提供的解析地址为：https://www.xiaole88.com/lz.php?url=

如果链接有密码则需要附加pwd=xxx

本源码最后修改日为 2020年9月16日

源码奉上

<?php
/**
 * @package Lanzou
 * @author  iami233
 * @version 1.0.0
 * @link    http://github.com/5ime/Lanzou_api
 */
header ('Access-Control-Allow-Origin:*');
header ('Content-type: application/json');
error_reporting (0);
$url   = $_GET['url'];
$pwd   = $_GET['pwd'];
$error = curl ($url);
if (strpos ($error, '文件取消分享了') !== false) {
    $Json = [
        "code" => 201,
        "msg"  => '文件取消分享了',
    ];
    $Json = json_encode ($Json, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
    echo stripslashes ($Json);

    return $Json;
} elseif ($url != null) {
    if ($pwd == null) {
        $b       = 'com/';
        $c       = '/';
        $id      = GetBetween ($url, $b, $c);
        $d       = 'https://www.lanzous.com/tp/' . $id;
        $lanzouo = curl ($d);
        if (strpos ($lanzouo, '输入密码') !== false) {
            $Json = [
                "code" => 202,
                "msg"  => '请输入密码',
            ];
            $Json = json_encode ($Json, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
            echo stripslashes ($Json);

            return $Json;
        }
        preg_match_all ("/<div class=\"md\">(.*?)<span class=\"mtt\">/", $lanzouo, $name);
        preg_match_all ('/时间:<\\/span>(.*?)<span class=\\"mt2\\">/', $lanzouo, $time);
        preg_match_all ('/发布者:<\\/span>(.*?)<span class=\\"mt2\\">/', $lanzouo, $author);
        preg_match_all ('/var domianload = \'(.*?)\';/', $lanzouo, $down1);
        preg_match_all ('/submit\.href = domianload \+ \'(.*?)\'/', $lanzouo, $down2);
        preg_match_all ('/var downloads = \'(.*?)\';/', $lanzouo, $down3);
        preg_match_all ('/<div class=\\"md\\">(.*?)<span class=\\"mtt\\">\\((.*?)\\)<\\/span><\\/div>/', $lanzouo, $size);

        $download = getRedirect ($down1[1][0] . $down2[1][0] . $down3[1][0]);
        $Json     = [
            "code" => 200,
            "data" => [
                "name"   => $name[1][0],
                "author" => $author[1][0],
                "time"   => $time[1][0],
                "size"   => $size[2][0],
                "url"    => $download
            ]
        ];
        $Json     = json_encode ($Json, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
        echo stripslashes ($Json);

        return $Json;
    }
} else {
    echo '请输入蓝奏云分享的地址，如：';
}

function send_post ($url, $post_data) {
    $postdata = http_build_query ($post_data);
    $options  = [
        'http' => [
            'method'  => 'POST',
            'header'  => 'Referer: https://www.lanzous.com/\\r\\n' . 'Accept-Language:zh-CN,zh;q=0.9\\r\\n',
            'content' => $postdata,
            'timeout' => 15 * 60,
        ]
    ];
    $context  = stream_context_create ($options);
    $result   = file_get_contents ($url, false, $context);

    return $result;
}

function curl ($url) {
    $header[] = "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
    $header[] = "Accept-Encoding: gzip, deflate, sdch, br";
    $header[] = "Accept-Language: zh-CN,zh;q=0.8";
    $ch       = curl_init ();
    curl_setopt ($ch, CURLOPT_URL, $url);                                                                                                                                            //设置传输的 url
    curl_setopt ($ch, CURLOPT_HTTPHEADER, $header);                                                                                                                                  //发送 http 报头
    curl_setopt ($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25"); //设置UA
    curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt ($ch, CURLOPT_ENCODING, 'gzip,deflate'); // 解码压缩文件
    curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, false);    // 对认证证书来源的检查
    curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, false);    // 从证书中检查SSL加密算法是否存在
    curl_setopt ($ch, CURLOPT_TIMEOUT, 5);               // 设置超时限制防止死循环
    $output = curl_exec ($ch);
    curl_close ($ch);

    return $output;
}

function GetBetween ($content, $start, $end) {
    $r = explode ($start, $content);
    if (isset($r[1])) {
        $r = explode ($end, $r[1]);

        return $r[0];
    }

    return '';
}

function getRedirect ($url, $ref = '') {
    $headers = [
        'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
        'Accept-Encoding: gzip, deflate',
        'Accept-Language: zh-CN,zh;q=0.9',
        'Cache-Control: no-cache',
        'Connection: keep-alive',
        'Pragma: no-cache',
        'Upgrade-Insecure-Requests: 1',
    ];
    $curl    = curl_init ();
    curl_setopt ($curl, CURLOPT_URL, $url);
    curl_setopt ($curl, CURLOPT_HTTPHEADER, $headers);
    if ($ref) {
        curl_setopt ($curl, CURLOPT_REFERER, $ref);
    }
    curl_setopt ($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt ($curl, CURLINFO_HEADER_OUT, true);
    curl_setopt ($curl, CURLOPT_SSL_VERIFYPEER, false);
    $data = curl_exec ($curl);
    $url  = curl_getinfo ($curl);
    curl_close ($curl);

    return $url["redirect_url"];
}