acme.sh setup for WordOps

acme.sh

#!/usr/bin/env bash

wo_install_acme_sh() {
    # check if acme.sh is already installed
    if [ ! -x /etc/letsencrypt/acme.sh ]; then

        # clone the git repository
        if [ -d /opt/acme.sh/.git ]; then
            git -C /opt/acme.sh pull origin master
        else
            git clone --depth=50 https://github.com/Neilpang/acme.sh.git /opt/acme.sh -q
        fi
        cd /opt/acme.sh || exit 1
        # create conf directories
        mkdir -p /etc/letsencrypt/{config,live,renewal}
        # install acme.sh
        ./acme.sh --install \
            --home /etc/letsencrypt \
            --config-home /etc/letsencrypt/config \
            --cert-home /etc/letsencrypt/renewal
        # enable auto-upgrade
        /etc/letsencrypt/acme.sh --config-home '/etc/letsencrypt/config' --upgrade --auto-upgrade

    fi

    # Let's Encrypt .well-known folder setup
    if [ ! -d /var/www/html/.well-known/acme-challenge ]; then
        mkdir -p /var/www/html/.well-known/acme-challenge
        chown -R www-data:www-data /var/www/html /var/www/html/.well-known
        chmod 750 /var/www/html /var/www/html/.well-known
    else
        chmod 750 /var/www/html /var/www/html/.well-known
    fi
}

wo_install_acme_sh