106 lines
3.5 KiB
Markdown
106 lines
3.5 KiB
Markdown
<!-- BANNER_TPL_BEGIN -->
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About Daplie: We're taking back the Internet!
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--------------
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Down with Google, Apple, and Facebook!
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We're re-decentralizing the web and making it read-write again - one home cloud system at a time.
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Tired of serving the Empire? Come join the Rebel Alliance:
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<a href="mailto:jobs@daplie.com">jobs@daplie.com</a> | [Invest in Daplie on Wefunder](https://daplie.com/invest/) | [Pre-order Cloud](https://daplie.com/preorder/), The World's First Home Server for Everyone
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<!-- BANNER_TPL_END -->
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# greenlock-koa (letsencrypt-koa)
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[](https://gitter.im/Daplie/letsencrypt-express?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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| [letsencrypt (lib)](https://git.daplie.com/Daplie/node-greenlock)
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| [letsencrypt-cli](https://git.daplie.com/Daplie/greenlock-cli)
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| [letsencrypt-express](https://git.daplie.com/Daplie/greenlock-express)
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| [letsencrypt-cluster](https://git.daplie.com/Daplie/greenlock-cluster)
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| **letsencrypt-koa**
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| [letsencrypt-hapi](https://git.daplie.com/Daplie/greenlock-hapi)
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Free SSL and Automatic HTTPS for node.js with KOA and other middleware systems via Let's Encrypt
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* Automatic Registration via SNI (`httpsOptions.SNICallback`)
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* **registrations** require an **approval callback** in *production*
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* Automatic Renewal (around 80 days)
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* **renewals** are *fully automatic* and happen in the *background*, with **no downtime**
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* Automatic vhost / virtual hosting
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All you have to do is start the webserver and then visit it at it's domain name.
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## Install
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```
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npm install --save letsencrypt-express@2.x
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```
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*Pay no attention to the man behind the curtain.* (just ignore that the name of the module is letsencrypt-express)
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### Part 1: Setup
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```javascript
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'use strict';
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var le = require('letsencrypt-express').create({
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server: 'staging' // in production use 'https://acme-v01.api.letsencrypt.org/directory'
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, configDir: require('os').homedir() + '/letsencrypt/etc'
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, approveDomains: function (opts, certs, cb) {
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opts.domains = certs && certs.altnames || opts.domains;
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opts.email = 'john.doe@example.com' // CHANGE ME
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opts.agreeTos = true;
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cb(null, { options: opts, certs: certs });
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}
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, debug: true
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});
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```
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WARNING: If you don't do any checks and simply complete `approveRegistration` callback, an attacker will spoof SNI packets with bad hostnames and that will cause you to be rate-limited and or blocked from the ACME server. Alternatively, You can run registration *manually*:
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```bash
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npm install -g letsencrypt-cli
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letsencrypt certonly --standalone \
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--server 'https://acme-v01.api.letsencrypt.org/directory' \
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--config-dir ~/letsencrypt/etc \
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--agree-tos --domains example.com --email user@example.com
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# Note: the '--webrootPath' option is also available if you don't want to shut down your webserver to get the cert.
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```
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### Part 2: Just add Koa
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```javascript
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var http = require('http');
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var https = require('spdy');
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var koa = require('koa');
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var app = koa();
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app.use(function *() {
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this.body = 'Hello World';
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});
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var server = https.createServer(le.httpsOptions, le.middleware(app.callback()));
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server.listen(443, function () {
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console.log('Listening at https://localhost:' + this.address().port);
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});
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var http = require('http');
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var redirectHttps = koa().use(require('koa-sslify')()).callback();
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http.createServer(le.middleware(redirectHttps)).listen(80, function () {
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console.log('handle ACME http-01 challenge and redirect to https');
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});
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```
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