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mailcow-dockerized/data/Dockerfiles/acme/docker-entrypoint.sh

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#!/bin/bash
ACME_BASE=/var/lib/acme
mkdir -p ${ACME_BASE}/acme/private
restart_containers(){
for container in $*; do
curl -X POST \
--unix-socket /var/run/docker.sock \
"http/containers/${container}/restart"
done
}
while true; do
# Autodiscover and Autoconfig (Thunderbird)
declare -a SQL_DOMAIN_ARR
declare -a DOMAIN_ARR
declare -a DOMAIN_ARR
while read line; do
SQL_DOMAIN_ARR+=("${line}")
done < <(mysql -h mysql-mailcow -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SELECT domain FROM domain" -Bs)
for SQL_DOMAIN in "${SQL_DOMAIN_ARR[@]}"; do
IPV4=$(curl -4s https://mailcow.email/ip.php)
A_CONFIG=$(dig A autoconfig.${SQL_DOMAIN} +short @208.67.220.222)
if [[ ! -z ${A_CONFIG} ]]; then
echo "Found A record for autoconfig.${SQL_DOMAIN}: ${A_CONFIG}"
if [[ ${IPV4} == ${A_CONFIG} ]]; then
echo "Confirmed A record autoconfig.${SQL_DOMAIN}"
CONFIG_DOMAINS+=("autoconfig.${SQL_DOMAIN}")
else
echo "Cannot match Your IP against hostname autoconfig.${SQL_DOMAIN}"
fi
else
echo "No A record for autoconfig.${SQL_DOMAIN} found"
fi
A_DISCOVER=$(dig A autodiscover.${SQL_DOMAIN} +short @208.67.220.222)
if [[ ! -z ${A_DISCOVER} ]]; then
echo "Found A record for autodiscover.${SQL_DOMAIN}: ${A_CONFIG}"
if [[ ${IPV4} == ${A_DISCOVER} ]]; then
echo "Confirmed A record autodiscover.${SQL_DOMAIN}"
CONFIG_DOMAINS+=("autodiscover.${SQL_DOMAIN}")
else
echo "Cannot match Your IP against hostname autodiscover.${SQL_DOMAIN}"
fi
else
echo "No A record for autodiscover.${SQL_DOMAIN} found"
fi
done
acme-client \
-v -e -b -N -n \
-f ${ACME_BASE}/acme/private/account.key \
-k ${ACME_BASE}/acme/private/privkey.pem \
-c ${ACME_BASE}/acme \
${MAILCOW_HOSTNAME} ${CONFIG_DOMAINS[*]} ${ADDITIONAL_SAN}
case "$?" in
0) # new certs
# cp the new certificates and keys
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
# restart docker containers
restart_containers ${CONTAINERS_RESTART}
;;
1) # failure
exit 1;;
2) # no change
;;
*) # unspecified
exit 1;;
esac
echo "ACME certificate validation done. Sleeping for another day."
sleep 86400
done