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server.js
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server.js
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const express = require('express');
const webpack = require('webpack');
const bodyParser = require('body-parser');
const webpackDevMiddleware = require('webpack-dev-middleware');
const webpackHotMiddleware = require('webpack-hot-middleware');
const webpush = require('web-push');
const app = express();
const config = require('./webpack.config.js');
const compiler = webpack(config);
const vapidKeys = {
publicKey:
'BEl62iUYgUivxIkv69yViEuiBIa-Ib9-SkvMeAtA3LFgDzkrxZJjSgSnfckjBJuBkr3qBUYIHBQFLXYp5Nksh8U',
privateKey: 'UUxI4O8-FbRouAevSmBQ6o18hgE4nSG3qwvJTfKc-ls'
};
const subscriptions = new Set();
webpush.setVapidDetails(
'mailto:zhangxx_cs@163.com',
vapidKeys.publicKey,
vapidKeys.privateKey
);
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
// Tell express to use the webpack-dev-middleware and use the webpack.config.js
// configuration file as a base.
app.use(webpackDevMiddleware(compiler, {
publicPath: config.output.publicPath,
}));
app.use(webpackHotMiddleware(compiler));
app.get('/api/hello-world', (req, resp) => {
resp.end('hello world');
});
app.post('/api/pushNotification/register', function (req, resp) {
console.log(`接收到新的推送订阅:${req.body}`);
subscriptions.add(req.body);
console.log(`插入订阅成功,现在已有的订阅为: ${subscriptions.size}`);
resp.json(req.body);
});
app.post('/api/trigger-push-msg/', async function (req, resp) {
console.log(`subscriptions : ${subscriptions}`);
const msg = '' + req.body.text;
for (s of subscriptions) {
console.log(`处理订阅:${JSON.stringify(s)}`);
try {
const sendResult = await sendPushNotification(s, msg);
console.log(`处理此订阅成功: ${JSON.stringify(sendResult)}`);
} catch (e) {
console.error(e);
}
}
resp.end(JSON.stringify(subscriptions));
});
async function sendPushNotification(subscription, dataToSend) {
try {
return webpush.sendNotification(subscription, dataToSend);
} catch (err) {
if (err.statusCode === 404 || err.statusCode === 410) {
console.log('Subscription has expired or is no longer valid: ', err);
} else {
throw err;
}
}
}
// Serve the files on port 3000.
app.listen(3000, () => {
console.log('app listening on port 3000!\n');
});