added Certbot support

README.md

@@ -1,6 +1,6 @@
 # ACME-DNS-NC
 Simple helper script for various [Let's Encrypt][1] clients.
-Developed for [GetSSL][2] and [ACME.sh][3], tested at Debian and Ubuntu.
+Developed for [GetSSL][2], [ACME.sh][3] and [Certbot][4], tested at Debian and Ubuntu.
 
 ## Initial setup
 Download or clone the archive and extract it to a new folder.
@@ -39,3 +39,4 @@ Important: This project is **not** affiliated with netcup GmbH!
 [1]: https://letsencrypt.org/docs/client-options/
 [2]: https://github.com/srvrco/getssl
 [3]: https://github.com/Neilpang/acme.sh
+[4]: https://github.com/certbot/certbot

scripts/certbot-nc-auth

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# --manual-auth-hook
+if [ -n "${CERTBOT_DOMAIN}" ] && [ -n "${CERTBOT_VALIDATION}" ]
+then
+	"$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")/acme-dns-nc" --add "${CERTBOT_DOMAIN}" "${CERTBOT_VALIDATION}"
+
+	# netcup updates DNS data every 5 minutes, 1 extra minute safety margin
+	#sleep $(( 6 - $(date "+%_M" -d "-5 minutes") % 5 ))m
+	sleep 10m
+else
+	echo "env variables missing"
+	false
+fi

scripts/certbot-nc-cleanup

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+# --manual-cleanup-hook
+if [ -n "${CERTBOT_DOMAIN}" ] && [ -n "${CERTBOT_VALIDATION}" ]
+then
+	"$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")/acme-dns-nc" --del "${CERTBOT_DOMAIN}" "${CERTBOT_VALIDATION}"
+else
+	echo "env variables missing"
+	false
+fi