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96 lines
2.1 KiB
96 lines
2.1 KiB
<h1 align="center">Fastify</h1>
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## HTTP2
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_Fastify_ offers **experimental support** for HTTP2 starting from Node 8 LTS,
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which includes HTTP2 without a flag; HTTP2 is supported over either HTTPS or
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plaintext.
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Currently, none of the HTTP2-specific APIs are available through _Fastify_, but
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Node's `req` and `res` can be accessed through our `Request` and `Reply`
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interface. PRs are welcome.
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### Secure (HTTPS)
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HTTP2 is supported in all modern browsers __only over a secure connection__:
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```js
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'use strict'
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const fs = require('fs')
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const path = require('path')
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const fastify = require('fastify')({
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http2: true,
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https: {
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key: fs.readFileSync(path.join(__dirname, '..', 'https', 'fastify.key')),
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cert: fs.readFileSync(path.join(__dirname, '..', 'https', 'fastify.cert'))
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}
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})
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fastify.get('/', function (request, reply) {
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reply.code(200).send({ hello: 'world' })
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})
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fastify.listen(3000)
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```
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ALPN negotiation allows support for both HTTPS and HTTP/2 over the same socket.
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Node core `req` and `res` objects can be either
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[HTTP/1](https://nodejs.org/api/http.html) or
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[HTTP/2](https://nodejs.org/api/http2.html). _Fastify_ supports this out of the
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box:
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```js
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'use strict'
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const fs = require('fs')
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const path = require('path')
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const fastify = require('fastify')({
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http2: true,
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https: {
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allowHTTP1: true, // fallback support for HTTP1
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key: fs.readFileSync(path.join(__dirname, '..', 'https', 'fastify.key')),
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cert: fs.readFileSync(path.join(__dirname, '..', 'https', 'fastify.cert'))
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}
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})
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// this route can be accessed through both protocols
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fastify.get('/', function (request, reply) {
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reply.code(200).send({ hello: 'world' })
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})
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fastify.listen(3000)
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```
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You can test your new server with:
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```
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$ npx h2url https://localhost:3000
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```
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### Plain or insecure
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If you are building microservices, you can connect to HTTP2 in plain text,
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however, this is not supported by browsers.
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```js
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'use strict'
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const fastify = require('fastify')({
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http2: true
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})
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fastify.get('/', function (request, reply) {
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reply.code(200).send({ hello: 'world' })
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})
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fastify.listen(3000)
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```
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You can test your new server with:
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```
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$ npx h2url http://localhost:3000
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```
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