搜索书名 → 找到读书派页面 → 获取城通网盘链接和密码 → 浏览器自动解密 → 调用API获取直链 → curl下载 → Python解压 → 清理临时文件

搜索: "《书名》 dushupai.com 下载"
备选: "《书名》 电子书下载 epub mobi"

1. navigate 到城通网盘链接（会重定向到 z701.com）
2. snapshot 获取页面元素
3. fill 密码输入框 + click "解密文件"按钮 + wait 5秒
4. snapshot 确认解密成功（看到"立即下载"按钮）

JSON.stringify({
  api_server: api_server,   // "https://webapi.ctfile.com"
  userid: userid,
  file_id: file_id,
  share_id: share_id,       // 通常为空
  file_chk: file_chk,
  start_time: start_time,
  wait_seconds: wait_seconds,
  verifycode: verifycode
})

(async () => {
  try {
    var url = api_server + '/get_file_url.php?uid=' + userid
      + '&fid=' + file_id + '&folder_id=0&share_id=' + share_id
      + '&file_chk=' + file_chk + '&start_time=' + start_time
      + '&wait_seconds=' + wait_seconds + '&mb=0&app=0&acheck=0'
      + '&verifycode=' + verifycode + '&rd=' + Math.random();
    var headers = typeof getAjaxHeaders === 'function' ? getAjaxHeaders() : {};
    var resp = await fetch(url, {headers: headers});
    var data = await resp.json();
    return JSON.stringify(data);
  } catch(e) { return 'Error: ' + e.message; }
})()

cd ~/Desktop && curl -L -o "书名.zip" "<downurl>" \
  -H "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36" \
  -H "Referer: https://z701.com/" \
  --max-time 600

import zipfile, os

outdir = '书名'
os.makedirs(outdir, exist_ok=True)

with zipfile.ZipFile('书名.zip', 'r') as z:
    for info in z.infolist():
        try:
            name = info.filename.encode('cp437').decode('gbk')
        except:
            name = info.filename
        basename = os.path.basename(name)
        if not basename:
            continue
        ext = os.path.splitext(basename)[1].lower()
        if ext in ('.epub', '.azw3', '.mobi', '.pdf', '.txt'):
            outpath = os.path.join(outdir, basename)
            data = z.read(info.filename)
            with open(outpath, 'wb') as f:
                f.write(data)
            print(f'Extracted: {outpath} ({len(data)} bytes)')

print('Done!')