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@magician11
magician11 / google-oauth.js
Last active November 12, 2017 13:29
How to get a new Google access token from a refresh token on Node.js
const axios = require('axios');
const querystring = require('querystring');
const keys = require('../config/keys');
const getAccessToken = async refreshToken => {
try {
const accessTokenObj = await axios.post(
'https://www.googleapis.com/oauth2/v4/token',
querystring.stringify({
refresh_token: refreshToken,
@magician11
magician11 / config.js
Last active December 2, 2017 14:03
How to send an email from Node.js using Gmail
module.exports = {
email: {
address: '[email protected]',
password: 'clever-password'
}
};
@magician11
magician11 / goforself.me
Last active March 1, 2018 19:33
Server block example for a WordPress site on Nginx on a DigitalOcean droplet
server {
server_name www.goforself.me goforself.me;
listen 80;
client_max_body_size 20M;
port_in_redirect off;
access_log /var/log/nginx/goforself.me.access.log;
error_log /var/log/nginx/goforself.me.error.log error;
root /var/www/goforself;
index index.php;
@magician11
magician11 / default
Last active January 19, 2018 20:10
Reverse proxy with Nginx to Node.js server with HTTP to HTTPS redirect
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name my-server.com www.my-server.com;
return 301 https://$server_name$request_uri;
}
server {
# SSL configuration
listen 443 ssl http2 default_server;
@magician11
magician11 / my-domain.com.conf
Last active January 19, 2018 19:42
How to add pre and post hooks for Certbot automatic renewals running Nginx
# renew_before_expiry = 30 days
version = 0.19.0
archive_dir = /etc/letsencrypt/archive/my-domain.com
cert = /etc/letsencrypt/live/my-domain.com/cert.pem
privkey = /etc/letsencrypt/live/my-domain.com/privkey.pem
chain = /etc/letsencrypt/live/my-domain.com/chain.pem
fullchain = /etc/letsencrypt/live/my-domain.com/fullchain.pem
# Options used in the renewal process
[renewalparams]
@magician11
magician11 / crontab
Last active April 30, 2018 20:25
How to automatically restart a Node.js script (with forever) on a server reboot
NODE_ENV=production
PATH=/root/.nvm/versions/node/v8.11.1/bin:$PATH
@reboot cd /var/server/script-directory && /root/.nvm/versions/node/v8.11.1/bin/forever start myscript.js
@magician11
magician11 / timezones.js
Created March 2, 2018 08:19
How to use Node.js to display the time now in a different timezone
const moment = require('moment-timezone'); // https://momentjs.com/timezone/
const timestamp = new Date();
console.log(
moment(timestamp)
.tz('America/Vancouver') // find your zone here https://momentjs.com/timezone/docs/#/data-loading/getting-zone-names/
.format('dddd, MMMM Do YYYY, h:mm:ss a (UTC Z)')
);
@magician11
magician11 / tweetnacl-test.js
Last active January 8, 2020 21:27
How to encrypt and decrypt a message with TweetNaCl.js
const tweetnacl = require('tweetnacl'); // https://github.com/dchest/tweetnacl-js
tweetnacl.util = require('tweetnacl-util'); // https://github.com/dchest/tweetnacl-util-js
// utility function to display the Uint8Array
const asciiArmored = arr => tweetnacl.util.encodeBase64(arr);
// generate the key to encrypt a message
const secretKey = tweetnacl.randomBytes(32);
console.log(`secret key: ${asciiArmored(secretKey)}`);
@magician11
magician11 / nodejs-cron.js
Last active May 1, 2018 17:50
How to get a Node.js function to run once on the last day of each month
const moment = require('moment');
const someAction = () => console.log('Actioning...');
const wait = ms => new Promise((resolve, reject) => setTimeout(resolve, ms));
const startCron = async () => {
while (true) {
if (
moment().date() ===
@magician11
magician11 / install-certbot-ubuntu
Last active June 5, 2018 19:21
How to install certbot on Ubuntu for Nginx
sudo apt-get update
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:certbot/certbot
sudo apt-get update
sudo apt-get install python-certbot-nginx