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#!/usr/bin/with-contenv bash
# Display variables for troubleshooting
echo -e "Variables set:\\n\
PUID=${PUID}\\n\
PGID=${PGID}\\n\
TZ=${TZ}\\n\
URL=${URL}\\n\
SUBDOMAINS=${SUBDOMAINS}\\n\
EXTRA_DOMAINS=${EXTRA_DOMAINS}\\n\
ONLY_SUBDOMAINS=${ONLY_SUBDOMAINS}\\n\
VALIDATION=${VALIDATION}\\n\
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CERTPROVIDER=${CERTPROVIDER}\\n\
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DNSPLUGIN=${DNSPLUGIN}\\n\
EMAIL=${EMAIL}\\n\
STAGING=${STAGING}\\n"
# Echo init finish for test runs
if [ -n "${TEST_RUN}" ]; then
echo '[services.d] done.'
fi
# Sanitize variables
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SANED_VARS=( DNSPLUGIN EMAIL EXTRA_DOMAINS ONLY_SUBDOMAINS STAGING SUBDOMAINS URL VALIDATION CERTPROVIDER )
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for i in "${SANED_VARS[@]}"
do
export echo "$i"="${!i//\"/}"
export echo "$i"="$(echo "${!i}" | tr '[:upper:]' '[:lower:]')"
done
# check to make sure that the required variables are set
[[ -z "$URL" ]] && \
echo "Please pass your URL as an environment variable in your docker run command. See docker info for more details." && \
sleep infinity
# make our folders and links
mkdir -p \
/config/{log/letsencrypt,log/fail2ban,etc/letsencrypt,fail2ban,crontabs,dns-conf,geoip2db} \
/var/run/fail2ban
rm -rf /etc/letsencrypt
ln -s /config/etc/letsencrypt /etc/letsencrypt
# copy dns default configs
cp -n /defaults/dns-conf/* /config/dns-conf/
chown -R abc:abc /config/dns-conf
# copy reverse proxy configs
cp -R /defaults/proxy-confs /config/nginx/
# copy/update the fail2ban config defaults to/in /config
cp -R /defaults/fail2ban/filter.d /config/fail2ban/
cp -R /defaults/fail2ban/action.d /config/fail2ban/
# if jail.local is missing in /config, copy default
[[ ! -f /config/fail2ban/jail.local ]] && \
cp /defaults/jail.local /config/fail2ban/jail.local
# Replace fail2ban config with user config
[[ -d /etc/fail2ban/filter.d ]] && \
rm -rf /etc/fail2ban/filter.d
[[ -d /etc/fail2ban/action.d ]] && \
rm -rf /etc/fail2ban/action.d
cp -R /config/fail2ban/filter.d /etc/fail2ban/
cp -R /config/fail2ban/action.d /etc/fail2ban/
cp /defaults/fail2ban/fail2ban.local /etc/fail2ban/
cp /config/fail2ban/jail.local /etc/fail2ban/jail.local
# copy crontab and proxy defaults if needed
[[ ! -f /config/crontabs/root ]] && \
cp /etc/crontabs/root /config/crontabs/
[[ ! -f /config/nginx/proxy.conf ]] && \
cp /defaults/proxy.conf /config/nginx/proxy.conf
[[ ! -f /config/nginx/ssl.conf ]] && \
cp /defaults/ssl.conf /config/nginx/ssl.conf
[[ ! -f /config/nginx/ldap.conf ]] && \
cp /defaults/ldap.conf /config/nginx/ldap.conf
[[ ! -f /config/nginx/authelia-server.conf ]] && \
cp /defaults/authelia-server.conf /config/nginx/authelia-server.conf
[[ ! -f /config/nginx/authelia-location.conf ]] && \
cp /defaults/authelia-location.conf /config/nginx/authelia-location.conf
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[[ ! -f /config/nginx/geoip2.conf ]] && \
cp /defaults/geoip2.conf /config/nginx/geoip2.conf
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[[ ! -f /config/www/502.html ]] &&
cp /defaults/502.html /config/www/502.html
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# copy pre-generated dhparams or generate if needed
[[ ! -f /config/nginx/dhparams.pem ]] && \
cp /defaults/dhparams.pem /config/nginx/dhparams.pem
if ! grep -q 'PARAMETERS' "/config/nginx/dhparams.pem"; then
curl -o /config/nginx/dhparams.pem -L "https://lsio.ams3.digitaloceanspaces.com/dhparams.pem"
fi
if ! grep -q 'PARAMETERS' "/config/nginx/dhparams.pem"; then
echo "Generating dhparams.pem. This will take a long time. Do not stop the container until this process is completed."
openssl dhparam -out /config/nginx/dhparams.pem 4096
fi
# check to make sure DNSPLUGIN is selected if dns validation is used
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[[ "$VALIDATION" = "dns" ]] && [[ ! "$DNSPLUGIN" =~ ^(aliyun|cloudflare|cloudxns|cpanel|digitalocean|dnsimple|dnsmadeeasy|domeneshop|gandi|gehirn|google|inwx|linode|luadns|netcup|njalla|nsone|ovh|rfc2136|route53|sakuracloud|transip)$ ]] && \
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echo "Please set the DNSPLUGIN variable to a valid plugin name. See docker info for more details." && \
sleep infinity
# import user crontabs
rm /etc/crontabs/*
cp /config/crontabs/* /etc/crontabs/
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# create original config file if it doesn't exist, move non-hidden legacy file to hidden
if [ -f "/config/donoteditthisfile.conf" ]; then
mv /config/donoteditthisfile.conf /config/.donoteditthisfile.conf
fi
if [ ! -f "/config/.donoteditthisfile.conf" ]; then
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echo -e "ORIGURL=\"$URL\" ORIGSUBDOMAINS=\"$SUBDOMAINS\" ORIGONLY_SUBDOMAINS=\"$ONLY_SUBDOMAINS\" ORIGEXTRA_DOMAINS=\"$EXTRA_DOMAINS\" ORIGVALIDATION=\"$VALIDATION\" ORIGDNSPLUGIN=\"$DNSPLUGIN\" ORIGPROPAGATION=\"$PROPAGATION\" ORIGSTAGING=\"$STAGING\" ORIGDUCKDNSTOKEN=\"$DUCKDNSTOKEN\" ORIGCERTPROVIDER=\"$CERTPROVIDER\" ORIGEMAIL=\"$EMAIL\"" > /config/.donoteditthisfile.conf
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echo "Created .donoteditthisfile.conf"
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fi
# load original config settings
# shellcheck disable=SC1091
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. /config/.donoteditthisfile.conf
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# set default validation to http
if [ -z "$VALIDATION" ]; then
VALIDATION="http"
echo "VALIDATION parameter not set; setting it to http"
fi
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# if zerossl is selected or staging is set to true, use the relevant server
if [ "$CERTPROVIDER" = "zerossl" ] && [ "$STAGING" = "true" ]; then
echo "ZeroSSL does not support staging mode, ignoring STAGING variable"
fi
if [ "$CERTPROVIDER" = "zerossl" ] && [ -n "$EMAIL" ]; then
echo "ZeroSSL is selected as the cert provider, registering cert with $EMAIL"
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ACMESERVER="https://acme.zerossl.com/v2/DV90"
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elif [ "$CERTPROVIDER" = "zerossl" ] && [ -z "$EMAIL" ]; then
echo "ZeroSSL is selected as the cert provider, but the e-mail address has not been entered. Please visit https://zerossl.com, register a new account and set the account e-mail address in the EMAIL environment variable"
sleep infinity
elif [ "$STAGING" = "true" ]; then
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echo "NOTICE: Staging is active"
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echo "Using Let's Encrypt as the cert provider"
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ACMESERVER="https://acme-staging-v02.api.letsencrypt.org/directory"
else
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echo "Using Let's Encrypt as the cert provider"
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ACMESERVER="https://acme-v02.api.letsencrypt.org/directory"
fi
# figuring out url only vs url & subdomains vs subdomains only
if [ -n "$SUBDOMAINS" ]; then
echo "SUBDOMAINS entered, processing"
if [ "$SUBDOMAINS" = "wildcard" ]; then
if [ "$ONLY_SUBDOMAINS" = true ]; then
export URL_REAL="-d *.${URL}"
echo "Wildcard cert for only the subdomains of $URL will be requested"
else
export URL_REAL="-d *.${URL} -d ${URL}"
echo "Wildcard cert for $URL will be requested"
fi
else
echo "SUBDOMAINS entered, processing"
for job in $(echo "$SUBDOMAINS" | tr "," " "); do
export SUBDOMAINS_REAL="$SUBDOMAINS_REAL -d ${job}.${URL}"
done
if [ "$ONLY_SUBDOMAINS" = true ]; then
URL_REAL="$SUBDOMAINS_REAL"
echo "Only subdomains, no URL in cert"
else
URL_REAL="-d ${URL}${SUBDOMAINS_REAL}"
fi
echo "Sub-domains processed are: $SUBDOMAINS_REAL"
fi
else
echo "No subdomains defined"
URL_REAL="-d $URL"
fi
# add extra domains
if [ -n "$EXTRA_DOMAINS" ]; then
echo "EXTRA_DOMAINS entered, processing"
for job in $(echo "$EXTRA_DOMAINS" | tr "," " "); do
export EXTRA_DOMAINS_REAL="$EXTRA_DOMAINS_REAL -d ${job}"
done
echo "Extra domains processed are: $EXTRA_DOMAINS_REAL"
URL_REAL="$URL_REAL $EXTRA_DOMAINS_REAL"
fi
# figuring out whether to use e-mail and which
if [[ $EMAIL == *@* ]]; then
echo "E-mail address entered: ${EMAIL}"
EMAILPARAM="-m ${EMAIL} --no-eff-email"
else
echo "No e-mail address entered or address invalid"
EMAILPARAM="--register-unsafely-without-email"
fi
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# update plugin names in dns conf inis
sed -i 's|^certbot_dns_aliyun:||g' /defaults/dns-conf/aliyun.ini
sed -i 's|^certbot_dns_domeneshop:||g' /defaults/dns-conf/domeneshop.ini
sed -i 's|^certbot_dns_inwx:||g' /defaults/dns-conf/inwx.ini
sed -i 's|^certbot_dns_transip:||g' /defaults/dns-conf/transip.ini
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# setting the validation method to use
if [ "$VALIDATION" = "dns" ]; then
if [ "$DNSPLUGIN" = "route53" ]; then
if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
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PREFCHAL="--dns-${DNSPLUGIN} ${PROPAGATIONPARAM}"
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elif [[ "$DNSPLUGIN" =~ ^(cpanel)$ ]]; then
if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--certbot-dns-${DNSPLUGIN}:${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
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PREFCHAL="-a certbot-dns-${DNSPLUGIN}:${DNSPLUGIN} --certbot-dns-${DNSPLUGIN}:${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.ini ${PROPAGATIONPARAM}"
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elif [[ "$DNSPLUGIN" =~ ^(gandi)$ ]]; then
if [ -n "$PROPAGATION" ];then echo "Gandi dns plugin does not support setting propagation time"; fi
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PREFCHAL="-a certbot-plugin-${DNSPLUGIN}:dns --certbot-plugin-${DNSPLUGIN}:dns-credentials /config/dns-conf/${DNSPLUGIN}.ini"
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elif [[ "$DNSPLUGIN" =~ ^(google)$ ]]; then
if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
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PREFCHAL="--dns-${DNSPLUGIN} --dns-${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.json ${PROPAGATIONPARAM}"
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elif [[ "$DNSPLUGIN" =~ ^(aliyun|domeneshop|inwx|netcup|njalla|transip)$ ]]; then
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if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
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PREFCHAL="-a dns-${DNSPLUGIN} --dns-${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.ini ${PROPAGATIONPARAM}"
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else
if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
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PREFCHAL="--dns-${DNSPLUGIN} --dns-${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.ini ${PROPAGATIONPARAM}"
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fi
echo "${VALIDATION} validation via ${DNSPLUGIN} plugin is selected"
elif [ "$VALIDATION" = "tls-sni" ]; then
PREFCHAL="--non-interactive --standalone --preferred-challenges http"
echo "*****tls-sni validation has been deprecated, attempting http validation instead"
elif [ "$VALIDATION" = "duckdns" ]; then
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PREFCHAL="--non-interactive --manual --preferred-challenges dns --manual-auth-hook /app/duckdns-txt"
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chmod +x /app/duckdns-txt
echo "duckdns validation is selected"
if [ "$SUBDOMAINS" = "wildcard" ]; then
echo "the resulting certificate will only cover the subdomains due to a limitation of duckdns, so it is advised to set the root location to use www.subdomain.duckdns.org"
export URL_REAL="-d *.${URL}"
else
echo "the resulting certificate will only cover the main domain due to a limitation of duckdns, ie. subdomain.duckdns.org"
export URL_REAL="-d ${URL}"
fi
else
PREFCHAL="--non-interactive --standalone --preferred-challenges http"
echo "http validation is selected"
fi
# setting the symlink for key location
rm -rf /config/keys/letsencrypt
if [ "$ONLY_SUBDOMAINS" = "true" ] && [ ! "$SUBDOMAINS" = "wildcard" ] ; then
DOMAIN="$(echo "$SUBDOMAINS" | tr ',' ' ' | awk '{print $1}').${URL}"
ln -s ../etc/letsencrypt/live/"$DOMAIN" /config/keys/letsencrypt
else
ln -s ../etc/letsencrypt/live/"$URL" /config/keys/letsencrypt
fi
# checking for changes in cert variables, revoking certs if necessary
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if [ ! "$URL" = "$ORIGURL" ] || [ ! "$SUBDOMAINS" = "$ORIGSUBDOMAINS" ] || [ ! "$ONLY_SUBDOMAINS" = "$ORIGONLY_SUBDOMAINS" ] || [ ! "$EXTRA_DOMAINS" = "$ORIGEXTRA_DOMAINS" ] || [ ! "$VALIDATION" = "$ORIGVALIDATION" ] || [ ! "$DNSPLUGIN" = "$ORIGDNSPLUGIN" ] || [ ! "$PROPAGATION" = "$ORIGPROPAGATION" ] || [ ! "$STAGING" = "$ORIGSTAGING" ] || [ ! "$DUCKDNSTOKEN" = "$ORIGDUCKDNSTOKEN" ] || [ ! "$CERTPROVIDER" = "$ORIGCERTPROVIDER" ]; then
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echo "Different validation parameters entered than what was used before. Revoking and deleting existing certificate, and an updated one will be created"
if [ "$ORIGONLY_SUBDOMAINS" = "true" ] && [ ! "$ORIGSUBDOMAINS" = "wildcard" ]; then
ORIGDOMAIN="$(echo "$ORIGSUBDOMAINS" | tr ',' ' ' | awk '{print $1}').${ORIGURL}"
else
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ORIGDOMAIN="$ORIGURL"
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fi
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if [ "$ORIGCERTPROVIDER" = "zerossl" ] && [ -n "$ORIGEMAIL" ]; then
REV_EAB_CREDS=$(curl -s https://api.zerossl.com/acme/eab-credentials-email --data "email=$ORIGEMAIL")
REV_ZEROSSL_EAB_KID=$(echo "$REV_EAB_CREDS" | python3 -c "import sys, json; print(json.load(sys.stdin)['eab_kid'])")
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REV_ZEROSSL_EAB_HMAC_KEY=$(echo "$REV_EAB_CREDS" | python3 -c "import sys, json; print(json.load(sys.stdin)['eab_hmac_key'])")
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REV_ACMESERVER="https://acme.zerossl.com/v2/DV90 --eab-kid ${REV_ZEROSSL_EAB_KID} --eab-hmac-key ${REV_ZEROSSL_EAB_HMAC_KEY}"
elif [ "$ORIGSTAGING" = "true" ]; then
REV_ACMESERVER="https://acme-staging-v02.api.letsencrypt.org/directory"
else
REV_ACMESERVER="https://acme-v02.api.letsencrypt.org/directory"
fi
[[ -f /config/etc/letsencrypt/live/"$ORIGDOMAIN"/fullchain.pem ]] && certbot revoke --non-interactive --cert-path /config/etc/letsencrypt/live/"$ORIGDOMAIN"/fullchain.pem --server $REV_ACMESERVER
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rm -rf /config/etc/letsencrypt
mkdir -p /config/etc/letsencrypt
fi
# saving new variables
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echo -e "ORIGURL=\"$URL\" ORIGSUBDOMAINS=\"$SUBDOMAINS\" ORIGONLY_SUBDOMAINS=\"$ONLY_SUBDOMAINS\" ORIGEXTRA_DOMAINS=\"$EXTRA_DOMAINS\" ORIGVALIDATION=\"$VALIDATION\" ORIGDNSPLUGIN=\"$DNSPLUGIN\" ORIGPROPAGATION=\"$PROPAGATION\" ORIGSTAGING=\"$STAGING\" ORIGDUCKDNSTOKEN=\"$DUCKDNSTOKEN\" ORIGCERTPROVIDER=\"$CERTPROVIDER\" ORIGEMAIL=\"$EMAIL\"" > /config/.donoteditthisfile.conf
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# alter extension for error message
if [ "$DNSPLUGIN" = "google" ]; then
FILENAME="$DNSPLUGIN.json"
else
FILENAME="$DNSPLUGIN.ini"
fi
# generating certs if necessary
if [ ! -f "/config/keys/letsencrypt/fullchain.pem" ]; then
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if [ "$CERTPROVIDER" = "zerossl" ] && [ -n "$EMAIL" ]; then
echo "Retrieving EAB from ZeroSSL"
EAB_CREDS=$(curl -s https://api.zerossl.com/acme/eab-credentials-email --data "email=$EMAIL")
ZEROSSL_EAB_KID=$(echo "$EAB_CREDS" | python3 -c "import sys, json; print(json.load(sys.stdin)['eab_kid'])")
ZEROSSL_EAB_HMAC_KEY=$(echo "$EAB_CREDS" | python3 -c "import sys, json; print(json.load(sys.stdin)['eab_hmac_key'])")
ZEROSSL_EAB="--eab-kid ${ZEROSSL_EAB_KID} --eab-hmac-key ${ZEROSSL_EAB_HMAC_KEY}"
fi
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echo "Generating new certificate"
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# shellcheck disable=SC2086
certbot certonly --renew-by-default --server $ACMESERVER $ZEROSSL_EAB $PREFCHAL --rsa-key-size 4096 $EMAILPARAM --agree-tos $URL_REAL
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if [ -d /config/keys/letsencrypt ]; then
cd /config/keys/letsencrypt || exit
else
if [ "$VALIDATION" = "dns" ]; then
echo "ERROR: Cert does not exist! Please see the validation error above. Make sure you entered correct credentials into the /config/dns-conf/${FILENAME} file."
elif [ "$VALIDATION" = "duckdns" ]; then
echo "ERROR: Cert does not exist! Please see the validation error above. Make sure your DUCKDNSTOKEN is correct."
else
echo "ERROR: Cert does not exist! Please see the validation error above. The issue may be due to incorrect dns or port forwarding settings. Please fix your settings and recreate the container"
fi
sleep infinity
fi
openssl pkcs12 -export -out privkey.pfx -inkey privkey.pem -in cert.pem -certfile chain.pem -passout pass:
sleep 1
cat {privkey,fullchain}.pem > priv-fullchain-bundle.pem
echo "New certificate generated; starting nginx"
else
echo "Certificate exists; parameters unchanged; starting nginx"
fi
# create GeoIP2 folder symlink
[[ -d /var/lib/libmaxminddb ]] && [[ ! -L /var/lib/libmaxminddb ]] && \
rm -rf /var/lib/libmaxminddb
[[ ! -d /var/lib/libmaxminddb ]] && \
ln -s /config/geoip2db /var/lib/libmaxminddb
# check GeoIP2 database
if [ -n "$MAXMINDDB_LICENSE_KEY" ]; then
sed -i "s|.*MAXMINDDB_LICENSE_KEY.*|MAXMINDDB_LICENSE_KEY=\"${MAXMINDDB_LICENSE_KEY}\"|g" /etc/conf.d/libmaxminddb
if [ ! -f /var/lib/libmaxminddb/GeoLite2-City.mmdb ]; then
echo "Downloading GeoIP2 City database."
/etc/periodic/weekly/libmaxminddb
fi
elif [ -f /var/lib/libmaxminddb/GeoLite2-City.mmdb ]; then
echo -e "Currently using the user provided GeoLite2-City.mmdb.\nIf you want to enable weekly auto-updates of the database, retrieve a free license key from MaxMind,\nand add a new env variable \"MAXMINDDB_LICENSE_KEY\", set to your license key."
else
echo -e "Starting 2019/12/30, GeoIP2 databases require personal license key to download. Please retrieve a free license key from MaxMind,\nand add a new env variable \"MAXMINDDB_LICENSE_KEY\", set to your license key."
fi
# logfiles needed by fail2ban
[[ ! -f /config/log/nginx/error.log ]] && \
touch /config/log/nginx/error.log
[[ ! -f /config/log/nginx/access.log ]] && \
touch /config/log/nginx/access.log
# permissions
chown -R abc:abc \
/config
chmod -R 0644 /etc/logrotate.d
chmod -R +r /config/log
chmod +x /app/le-renew.sh
chmod 700 /defaults/dns-conf
chmod 600 /defaults/dns-conf/*