8000 Add http2 example · HowProgrammingWorks/NodeServer@6f9f245 · GitHub
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Add http2 example
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‎native-http2/README.md

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# Start HTTP server
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## With self-signed certificate (for testing)
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- Generate certificates, run: `./cert/generate.sh`
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- Start server: `node server.js`
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- Open in browser: `https://127.0.0.1:8000/`
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## With certbot (for production)
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- Let's Encrypt is a free certificate authority: https://letsencrypt.org/
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- Use Certbot (free tool for automatically generatinging Let’s Encrypt
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certificates to enable HTTPS): https://certbot.eff.org/
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- Install: `dnf -y install certbot`
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- Generate certificate:
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`certbot certonly --standalone -d www.domain.com -d domain.com -m your.name@domain.com --agree-tos --no-eff-email`
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- Copy certificate:
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`cp /etc/letsencrypt/live/domain.com/fullchain.pem ./cert/cert.pem`
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- Copy private key:
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`cp /etc/letsencrypt/live/domain.com/privkey.pem ./cert/key.pem`
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- Or use your web server for challenge exchange:
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`certbot certonly --webroot -w ./ -d domain.com -m your.name@domain.com --agree-tos --no-eff-email`

‎native-http2/cert/generate.ext

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authorityKeyIdentifier=keyid,issuer
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basicConstraints=CA:FALSE
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keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
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subjectAltName = @alt_names
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[alt_names]
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DNS.1 = example.com
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IP.1 = 127.0.0.1
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IP.2 = ::1

‎native-http2/cert/generate.sh

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cd "$(dirname "$0")"
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openssl genrsa -out key.pem 3072
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openssl req -new -out self.pem -key key.pem -subj '/CN=localhost'
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openssl req -text -noout -in self.pem
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openssl x509 -req -days 1024 -in self.pem -signkey key.pem -out cert.pem -extfile generate.ext

‎native-http2/server.js

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'use strict';
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const fs = require('node:fs');
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const http2 = require('node:http2');
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const user = { name: 'jura', age: 22 };
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const routing = {
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'/': '<h1>welcome to homepage</h1><hr>',
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'/user': user,
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'/user/name': () => user.name.toUpperCase(),
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'/user/age': () => user.age,
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'/hello': { hello: 'world', andArray: [1, 2, 3, 4, 5, 6, 7] },
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'/api/method1': (stream, headers) => {
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console.log(headers[':path']);
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return { status: 200 };
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},
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'/api/method2': (stream, headers) => ({
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user,
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url: headers[':path'],
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cookie: headers[':cookie'],
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}),
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};
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const types = {
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object: JSON.stringify,
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string: (s) => s,
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undefined: () => 'not found',
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function: (fn, stream, headers) => JSON.stringify(fn(stream, headers)),
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};
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const key = fs.readFileSync('./cert/key.pem');
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const cert = fs.readFileSync('./cert/cert.pem');
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const options = { key, cert };
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const server = http2.createSecureServer(options);
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server.on('stream', (stream, headers) => {
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stream.respond({
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'content-type': 'text/html; charset=utf-8',
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':status': 200,
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});
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const path = headers[':path'];
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const data = routing[path];
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const type = typeof data;
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const serializer = types[type];
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const result = serializer(data, stream, headers);
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stream.end(result);
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});
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server.listen(8000);
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console.log('Open: https://127.0.0.1:8000');
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setInterval(() => user.age++, 2000);

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