Computer_Network_Internship/index.html at main · SinceraXY/Computer_Network_Internship · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8" />
    <title>Web 文件管理系统</title>
    <style>
        body { font-family: Arial, sans-serif; margin: 40px; }
        h2 { color: #333; }
        form { margin-bottom: 20px; padding: 10px; border: 1px solid #ccc; max-width: 600px; }
        input[type="text"], input[type="file"] { margin-bottom: 10px; width: 100%; padding: 8px; box-sizing: border-box; }
        input[type="submit"] { padding: 8px 16px; }
        pre { background: #f4f4f4; padding: 10px; }
        small { color: #666; }
        iframe { border: 1px solid #ccc; }
    </style>
</head>
<body>
    <h1>Web 文件管理与爬虫系统</h1>

    <h2>📂 上传文件</h2>
    <form action="/upload" method="post" enctype="multipart/form-data">
        <input type="file" name="file" multiple><br />
        <input type="submit" value="上传" />
    </form>

    <h2>📁 新建目录</h2>
    <form action="/mkdir" method="post">
        <input type="text" name="name" placeholder="目录名" required><br />
        <input type="submit" value="创建目录" />
    </form>

    <h2>🗑️ 删除文件或目录</h2>
    <form action="/delete" method="post">
        <input type="text" name="name" placeholder="文件或目录名" required><br />
        <input type="submit" value="删除" />
    </form>

    <h2>🌐 网络爬虫</h2>
    <form action="/crawl" method="post">
        <input type="text" name="url" placeholder="输入网址"><br>
        <input type="submit" value="爬取页面">
    </form>

    <h2>📋 文件列表</h2>
    <iframe id="fileList" src="/files" width="100%" height="300"></iframe>

    <h2>⬇️ 下载文件</h2>
    <form id="downloadForm" onsubmit="return downloadFile(event)">
        <input type="text" id="downloadPath" name="f" placeholder="文件路径，相对 upload_dir" required><br />
        <small>提示：填写相对于 upload_dir 的路径，例如：images/pic.jpg 或 data/report.pdf</small><br />
        <input type="submit" value="下载" />
    </form>

    <script>
        function downloadFile(event) {
            event.preventDefault();
            const filename = document.getElementById('downloadPath').value.trim();

            if (!filename) {
                alert("请输入文件路径！");
                return false;
            }

            // 简单安全校验，防止目录穿越攻击
            if (filename.includes("..") || filename.startsWith("/") || filename.startsWith("\\")) {
                alert("路径不合法，不能包含 \"..\" 或以斜杠开头！");
                return false;
            }

            const encoded = encodeURIComponent(filename);
            const url = `/download?f=${encoded}`;

            // 创建一个临时隐藏的 <a> 标签触发下载
            const link = document.createElement('a');
            link.href = url;
            link.download = ''; // 告诉浏览器这是下载
            document.body.appendChild(link);
            link.click();
            document.body.removeChild(link);
            return false;
        }
    </script>
</body>
</html>