keep-alive / index.js
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const axios = require('axios');
const moment = require('moment-timezone');
const http = require('http');
const cron = require('node-cron');
const port = process.env.PORT || 7860;
// 添加24小时是不间断访问的url数组
const webpages = [
'https://savory-cold-parrot.glitch.me', // Glitch-688
'https://53284-3000.4.codesphere.com', // codephere-us
'https://ionized-energetic-possum.glitch.me',
// ... 添加更多url
];
// 添加1:00-6:00暂停,其他时间正常访问的url数组
const urls = [
'https://www.google.com', // 备注名称
'https://www.baidu.com',
// ... 添加更多url
];
// 遍历网页数组并发请求访问网页
const visit = async (url) => {
try {
const response = await axios.get(url);
console.log(`${moment().tz('Asia/Hong_Kong').format('YYYY-MM-DD HH:mm:ss')} Visited web successfully: ${url} --- Status: ${response.status}\n`);
} catch (error) {
console.error(`Failed to visit ${url}: ${error.message}\n`);
}
};
const visitAll = async () => {
for (let url of urls) {
await visit(url);
}
};
// 定判断是否在访问时间段内
const isWithinTime = () => {
const now = moment().tz('Asia/Hong_Kong');
const hour = now.hour();
if (hour >= 1 && hour < 6) {
return false;
}
return true;
};
// 创建http服务
const createServer = () => {
const server = http.createServer((req, res) => {
if (req.url === '/') {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello world!');
} else {
res.writeHead(404, {'Content-Type': 'text/plain'});
res.end('404 Not Found');
}
});
server.listen(port, () => {
console.log(`Server started on port ${port}`);
});
};
// 执行访问逻辑
const main = async () => {
createServer();
setInterval(async () => {
if (isWithinTime()) {
await visitAll();
} else {
console.log(`Stop visiting at ${moment().tz('Asia/Hong_Kong').format('YYYY-MM-DD HH:mm:ss')}`);
}
}, 2 * 60 * 1000); // 指定时间段访问的间隔2分钟
};
main();
//24小时不间断访问部分
async function access(url) {
try {
const response = await axios.get(url);
console.log(`${moment().tz('Asia/Hong_Kong').format('YYYY-MM-DD HH:mm:ss')} Web visited successfully: ${url} --- status:${response.status}`);
} catch (error) {
console.error(`${moment().tz('Asia/Hong_Kong').format('YYYY-MM-DD HH:mm:ss')} Failed to visit ${url}, Error ${error.message}`);
}
}
async function batchVisit() {
for (let url of webpages) {
await access(url);
}
}
cron.schedule('*/2 * * * *', batchVisit); // 24小时访问任务间隔周期,默认2分钟