#!/bin/bash

if [[ -z "$1" ]]

then echo "You must provide a domain name (e.g. example.tld)"

exit

fi

echo ' .__ .__ __ ___________ __ '

echo ' ____ ____ |__| ____ ___ ___ | | _____/ |_ _____\_ _____/ ____ ___________ ___.__._______/ |_ '

echo ' / \ / ___\| |/ \\ \/ / | | _/ __ \ __\/ ___/| __)_ / \_/ ___\_ __ < | |\____ \ __\'

echo '| | \/ /_/ > | | \> < | |_\ ___/| | \___ \ | \ | \ \___| | \/\___ || |_> > | '

echo '|___| /\___ /|__|___| /__/\_ \ |____/\___ >__| /____ >_______ /___| /\___ >__| / ____|| __/|__| '

echo ' \//_____/ \/ \/ \/ \/ \/ \/ \/ \/ |__| '

echo "location /.well-known/acme-challenge {

location ~ /.well-known/acme-challenge/(.*) {

return 301 http://letsencrypt-auth.$1\$request_uri;

}

}" | sudo tee /etc/nginx/conf.d/letsencrypt-auth.conf > /dev/null

echo "server {

listen 80;

listen [::]:80;

server_name letsencrypt-auth.$1;

root /var/www/letsencrypt/letsencrypt-auth;

default_type text/plain;

}" | sudo tee /etc/nginx/sites-available/letsencrypt.$1 > /dev/null

sudo mkdir -p /var/www/letsencrypt/letsencrypt-auth/.well-known/acme-challenge

sudo chown -R www-data:www-data /var/www/letsencrypt

sudo ln -s /etc/nginx/sites-available/letsencrypt.$1 /etc/nginx/sites-enabled/001-letsencrypt.$1

sudo nginx -t

echo "If nginx syntax is ok, don´t forget to perform sudo service nginx restart"