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

103 lines
2.8 KiB
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Executable File

#!/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
}
if [[ $(openssl x509 -in ${ACME_BASE}/cert.pem -noout -issuer) != *"Let's Encrypt"* &&
$(openssl x509 -in ${ACME_BASE}/cert.pem -noout -issuer) != *"mailcow"* ]]; then
echo "Skipping ACME client"
exit 0
fi
while true; do
declare -a SQL_DOMAIN_ARR
declare -a CONFIG_DOMAINS
declare -a ADDITIONAL_VALIDATED_SAN
IFS=' ' read -r -a ADDITIONAL_SAN_ARR <<< "${ADDITIONAL_SAN}"
IPV4=$(curl -4s https://mailcow.email/ip.php)
while read line; do
SQL_DOMAIN_ARR+=("${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
A_CONFIG=$(dig A autoconfig.${SQL_DOMAIN} +short)
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)
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.${SQL_DOMAIN} found"
fi
done
for SAN in "${ADDITIONAL_SAN_ARR[@]}"; do
A_SAN=$(dig A ${SAN} +short)
if [[ ! -z ${A_SAN} ]]; then
echo "Found A record for ${SAN}: ${A_SAN}"
if [[ ${IPV4} == ${A_SAN} ]]; then
echo "Confirmed A record ${SAN}"
ADDITIONAL_VALIDATED_SAN+=("${SAN}")
else
echo "Cannot match Your IP against hostname ${SAN}"
fi
else
echo "No A record for ${SAN} 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[*]} ${ADDITIONAL_VALIDATED_SAN[*]}
case "$?" 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