bundlewrap/bundles/letsencrypt/files/letsencrypt-ensure-some-certificate

#!/bin/sh

domain=$1
just_check=$2

cert_path="/var/lib/dehydrated/certs/$domain"

already_exists=false
if [ -f "$cert_path/privkey.pem" -a -f "$cert_path/fullchain.pem" -a -f "$cert_path/chain.pem" ]
then
    already_exists=true
fi

if [ "$just_check" = true ]
then
    if [ "$already_exists" = true ]
    then
        exit 0
    else
        exit 1
    fi
fi

if [ "$already_exists" != true ]
then
    rm -r "$cert_path"
    mkdir -p "$cert_path"
    openssl req -x509 -newkey rsa:4096 -nodes -days 3650 -subj "/CN=$domain" -keyout "$cert_path/privkey.pem" -out "$cert_path/fullchain.pem"
    chmod 0600 "$cert_path/privkey.pem"
    cp "$cert_path/fullchain.pem" "$cert_path/chain.pem"
fi