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from cryptography.fernet import Fernet
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import os
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# 生成一个新的Fernet密钥
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key = Fernet.generate_key()
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# 指定密钥文件的路径
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key_path = 'secret.key'
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# 将密钥保存到文件中
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with open(key_path, 'wb') as key_file:
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key_file.write(key)
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# 打印密钥以便查看
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# print(f"Generated key: {key.decode()}")
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# 确保密钥文件的权限设置为只读
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os.chmod(key_path, 0o400)
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print(f"Key has been saved to {key_path}")
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xO0rhaZ7_TEiOBm2ZH2b6L9VIiECc_aO8FeY5HGt2nY=
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// server.js
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const express = require('express');
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const http = require('http');
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const socketIo = require('socket.io');
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const app = express();
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const server = http.createServer(app);
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const io = socketIo(server);
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let clients = {};
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io.on('connection', (socket) => {
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console.log('A client connected:', socket.id);
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clients[socket.id] = { status: 'connected' };
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socket.on('disconnect', () => {
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console.log('A client disconnected:', socket.id);
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clients[socket.id] = { status: 'disconnected' };
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});
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// 定时发送客户端状态
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setInterval(() => {
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io.emit('clients_status', clients);
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}, 5000);
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});
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server.listen(3000, () => {
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console.log('Server listening on port 3000');
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});
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<!-- templates/network.html -->
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Network Connection Status</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.min.js"></script>
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<style>
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body { font-family: Arial, sans-serif; }
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#network { padding: 20px; }
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.client {
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color: white;
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padding: 10px;
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margin: 5px;
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border-radius: 5px;
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}
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.connected { background-color: green; }
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.disconnected { background-color: red; }
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</style>
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</head>
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<body>
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<h1>Client Connection Status</h1>
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<div id="network"></div>
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<script>
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const socket = io('http://localhost:3000');
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const networkElement = document.getElementById('network');
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socket.on('clients_status', (clients) => {
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networkElement.innerHTML = '';
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for (const [id, info] of Object.entries(clients)) {
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const clientElement = document.createElement('div');
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clientElement.className = 'client ' + info.status;
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clientElement.textContent = `Client ID: ${id} - Status: ${info.status}`;
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networkElement.appendChild(clientElement);
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}
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});
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</script>
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</body>
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</html>
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>网络信息系统注册</title>
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<link rel="stylesheet" href="/static/login.css">
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</head>
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<body>
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<div class="login">
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<form action="/register" method="post">
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<h2>网络信息系统注册</h2>
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<div class="login_box">
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<input type="text" name="captcha" id="captcha" required />
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<label for="captcha">注册码</label>
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</div>
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<div class="login_box">
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<input type="text" name="username" id="username" required />
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<label for="username">用户名</label>
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</div>
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<div class="login_box">
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<input type="password" name="password" id="password" required />
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<label for="password">密码</label>
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</div>
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<div class="login_box">
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<input type="password" name="password_confirm" id="password_confirm" required />
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<label for="password_confirm">确认密码</label>
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</div>
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<input type="submit" value="注册" class="register-button">
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</div>
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</body>
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</html>
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<!DOCTYPE html>
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<html lang="en">
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Send Message</title>
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<title>发送消息</title>
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<link rel="stylesheet" href="/static/login.css">
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</head>
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<body>
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<h1>Send Message</h1>
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<div class="login">
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<h2>发送消息</h2>
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<form method="post" enctype="multipart/form-data">
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<label for="message">Message:</label>
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<h3>消息内容</h3>
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<textarea id="message" name="message" rows="4" cols="50" required></textarea><br><br>
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<label for="photo">Upload Photo:</label>
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<h3>选择图片</h3>
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<input type="file" id="photo" name="photo"><br><br>
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<button type="submit">Send Message</button>
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<button type="submit" class="register-button">发送</button>
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</form>
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</div>
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</body>
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</html>
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