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tom.houday |
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#!/bin/bash
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#
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# $Id: alcasar-letsencrypt.sh 3300 2025-09-23 16:11:12Z rexy $
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#
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# alcasar-letsencrypt.sh
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rexy |
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# by Tom HOUDAYER & Rexy
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tom.houday |
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#
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# This script is distributed under the Gnu General Public License (GPL)
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#
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# Manage Let's Encrypt for ALCASAR integration
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CONF_FILE="/usr/local/etc/alcasar-letsencrypt"
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ACCOUNT_EMAIL=""
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DOMAIN=""
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DNS_API=""
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DEBUG=false
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STAGING_SERVER=""
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FORCE=""
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OPT_PARAMS=""
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ACMESH_HOME="/usr/local/etc/letsencrypt"
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ACMESH_BIN="/opt/acme.sh/acme.sh"
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rexy |
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LE_SERVER="letsencrypt"
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tom.houday |
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usage="Usage: alcasar-letsencrypt.sh
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--issue -d alcasar.domain.tld --email alcasar@domain.tld [--dns-api dns_registrar] [--force] [--staging]
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--renew [-d alcasar.domain.tld] [--force] [--staging]"
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################################################################################
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# ISSUE #
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################################################################################
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issue() {
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if [ ! -f $ACMESH_BIN ]; then
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echo "The client does not seem to be installed."
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return 1
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fi
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TMP_OUTPUT=$(mktemp --suffix=_ALCASAR-LE)
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if [ ! -z $ACCOUNT_EMAIL ]; then
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emailField=" --accountemail $ACCOUNT_EMAIL"
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sed -i "s/^email=.*/email=$ACCOUNT_EMAIL/" $CONF_FILE
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else
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emailField=""
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fi
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rexy |
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rm -rf $ACMESH_HOME/certs/*
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$DEBUG && debugOpt=" --debug" || debugOpt=""
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[ ! -z "$DNS_API" ] && dnsApiOpt="$DNS_API" || dnsApiOpt="--yes-I-know-dns-manual-mode-enough-go-ahead-please"
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tom.houday |
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$ACMESH_BIN --config-home $ACMESH_HOME/data \
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$STAGING_SERVER $FORCE $debugOpt \
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$emailField \
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--issue --dns $dnsApiOpt -d $DOMAIN \
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tom.houday |
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$OPT_PARAMS \
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rexy |
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--server $LE_SERVER \
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> $TMP_OUTPUT 2>&1
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exitCode=$?
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$DEBUG && cat $TMP_OUTPUT && echo -e "\n\n"
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sed -i "s/^domainRequest=.*/domainRequest=$DOMAIN/" $CONF_FILE
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sed -i "s/^dateIssueRequest=.*/dateIssueRequest=$(date +%s)/" $CONF_FILE
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sed -i "s/^dnsapi=.*/dnsapi=${DNS_API:="dns"}/" $CONF_FILE
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if ! _handle_client_response $TMP_OUTPUT; then
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if [ $exitCode -ne 0 ]; then
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echo -e "Error!\n"
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cat $TMP_OUTPUT
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rm -f $TMP_OUTPUT
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return 1
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else
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echo -e "Unknown state\n"
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cat $TMP_OUTPUT
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fi
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fi
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rm -f $TMP_OUTPUT
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}
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################################################################################
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# RENEW #
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################################################################################
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renew() {
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if [ ! -f $ACMESH_BIN ]; then
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echo "The client does not seem to be installed."
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return 1
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fi
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TMP_OUTPUT=$(mktemp --suffix=_ALCASAR-LE)
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$DEBUG && debugOpt=" --debug" || debugOpt=""
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[ ! -z "$DNS_API" ] && dnsApiOpt="" || dnsApiOpt="--yes-I-know-dns-manual-mode-enough-go-ahead-please"
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$ACMESH_BIN --config-home $ACMESH_HOME/data \
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$STAGING_SERVER $FORCE $debugOpt \
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--renew -d $DOMAIN $dnsApiOpt \
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$OPT_PARAMS \
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rexy |
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--server $LE_SERVER \
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> $TMP_OUTPUT 2>&1
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exitCode=$?
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$DEBUG && cat $TMP_OUTPUT && echo -e "\n\n"
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if ! _handle_client_response $TMP_OUTPUT; then
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if [ $exitCode -ne 0 ]; then
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echo -e "Error!\n"
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cat $TMP_OUTPUT
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rm -f $TMP_OUTPUT
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return 1
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else
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echo -e "Unknown state\n"
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cat $TMP_OUTPUT
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fi
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fi
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rm -f $TMP_OUTPUT
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}
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################################################################################
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# CRON TASK #
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################################################################################
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cron_task() {
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if [ $(grep '^dateNextRenewal=' $CONF_FILE | cut -d'=' -f2) -le $(date +%s) ]; then
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rexy |
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logger -t alcasar-letsencrypt "Warning : L.E. certificate must be renewed."
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# here : send a warning Email to @admin if exists (with the hostname of this ALCASAR)
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# renew (discussion if needed or not - look at the challenge longevity)
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tom.houday |
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fi
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}
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################################################################################
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# HANDLE CLIENT RESPONSE #
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################################################################################
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_handle_client_response() {
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[ $# -lt 1 ] && return 1
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responseFile=$1
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# issue / renew
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if [ $(cat $responseFile | grep "Add the following TXT record:" -c) -ne 0 ]; then
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challenge=$(cat $responseFile | grep -E "TXT value: '[0-9a-zA-Z_-]+'" -o | cut -d"'" -f2)
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sed -i "s/^challenge=.*/challenge=$challenge/" $CONF_FILE
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echo "Add the following TXT record:"
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echo "Domain: '_acme-challenge.$DOMAIN'"
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echo "TXT value: '$challenge'"
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elif [ $(cat $responseFile | grep "Cert success." -c) -ne 0 ]; then
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sed -i "s/^challenge=.*/challenge=/" $CONF_FILE
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sed -i "s/^dateIssued=.*/dateIssued=$(date +%s)/" $CONF_FILE
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sed -i "s/^dateNextRenewal=.*/dateNextRenewal=$(date +%s -d '3 months - 15 days')/" $CONF_FILE
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tom.houday |
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install_cert
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logger -t alcasar-letsencrypt "Certificate \"$DOMAIN\" imported."
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echo "Certificate imported."
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[ -z $DNS_API ] && echo "Note: you can delete the TXT record."
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elif [ $(cat $responseFile | grep "Domains not changed." -c) -ne 0 ]; then
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echo "Domain not changed"
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elif [ $(cat $responseFile | grep "$DOMAIN is already verified, skip dns-01." -c) -ne 0 ]; then
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echo "Domain already verified"
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elif [ $(cat $responseFile | grep "Error add txt for domain:_acme-challenge.$DOMAIN" -c) -ne 0 ]; then
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echo "Error add txt for domain:_acme-challenge.$DOMAIN"
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elif [ $(cat $responseFile | grep "Please add the TXT records to the domains, and retry again." -c) -ne 0 ]; then
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echo "Dns record not added yet, you need to add it manually and retry again."
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elif [ $(cat $responseFile | grep 'new-authz error: {"type":"urn:acme:error:malformed","detail":"Error creating new authz :: \(.*\)","status": 400}' -c) -ne 0 ]; then
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errorMsg=$(cat $responseFile | grep 'new-authz error: {"type":"urn:acme:error:malformed","detail":"Error creating new authz :: \(.*\)","status": 400}' | sed 's/.*new-authz error: {"type":"urn:acme:error:malformed","detail":"Error creating new authz :: \(.*\)","status": 400}.*/\1/')
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echo "Incorrect domain name"
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echo "$errorMsg"
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elif [ $(cat $responseFile | grep "'$DOMAIN' is not a issued domain, skip." -c) -ne 0 ]; then
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echo "'$DOMAIN' is not a issued domain"
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# renew
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elif [ $(cat $responseFile | grep "Skip, Next renewal time is: " -c) -ne 0 ]; then
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nextRenewal=$(cat $responseFile | grep 'Skip, Next renewal time is: ' | sed 's/.*Skip, Next renewal time is: \(.*\)/\1/')
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echo "Skip, Next renewal time is: $nextRenewal"
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echo "Add '--force' to force to renew."
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elif [ $(cat $responseFile | grep "$DOMAIN:Verify error:Correct value not found for DNS challenge" -c) -ne 0 ]; then
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echo "Correct value not found for DNS challenge"
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elif [ $(cat $responseFile | grep "Unable to update challenge :: The challenge is not pending." -c) -ne 0 ]; then
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echo "The challenge is not pending. You need to issue."
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else
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return 2
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fi
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return 0
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}
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################################################################################
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# INSTALL CERTIFICATE #
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################################################################################
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install_cert() {
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echo "Importing certificate to ALCASAR..."
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LE_cert_folder="$( echo "$ACMESH_HOME/certs/$DOMAIN"*"")"
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if [ ! -f $LE_cert_folder"/"$DOMAIN.cer ]; then
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tom.houday |
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echo "Certificate not found."
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return 1
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fi
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/usr/local/bin/alcasar-importcert.sh \
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-i $LE_cert_folder"/"$DOMAIN.cer \
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-k $LE_cert_folder"/"$DOMAIN.key \
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-c $LE_cert_folder/fullchain.cer \
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tom.houday |
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> /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "Error."
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return 1
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fi
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}
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################################################################################
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# MAIN #
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################################################################################
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if [ $# -eq 0 ]; then
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echo "$usage"
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exit 1
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fi
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cmd=""
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while [ $# -gt 0 ]; do
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case $1 in
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-\? | -h | --help)
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echo "$usage"
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exit 0
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;;
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--issue)
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cmd="issue"
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shift 1
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;;
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--renew)
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cmd="renew"
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shift 1
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;;
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--cron)
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cmd="cron"
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shift 1
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;;
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--install-cert)
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cmd="install-cert"
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shift 1
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;;
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--email)
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ACCOUNT_EMAIL="$2"
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shift 2
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;;
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--domain | -d)
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DOMAIN="$2"
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shift 2
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;;
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--dns-api)
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DNS_API="$2"
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shift 2
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;;
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--force)
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FORCE="--force"
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shift 1
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;;
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--staging)
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STAGING_SERVER="--staging"
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shift 1
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;;
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--debug)
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DEBUG=true
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shift 1
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;;
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*)
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found=false
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for param in "--dnssleep"; do
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if [ $1 == $param ]; then
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OPT_PARAMS="$OPT_PARAMS $1 $2"
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shift 2
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found=true
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break
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fi
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done
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if ! $found; then
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echo "Unknown argument: $1"
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echo "$usage"
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exit 1
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fi
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;;
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esac
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done
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if [ -z $DOMAIN ]; then
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if [ $(grep '^domainRequest=' $CONF_FILE | cut -d'=' -f2 | wc --chars) -gt 1 ]; then
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DOMAIN="$(grep '^domainRequest=' $CONF_FILE | cut -d'=' -f2)"
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else
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DOMAIN="$(grep '^HOSTNAME=' /usr/local/etc/alcasar.conf | cut -d'=' -f2).$(grep '^DOMAIN=' /usr/local/etc/alcasar.conf | cut -d'=' -f2)"
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fi
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fi
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case $cmd in
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issue)
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issue
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;;
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renew)
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renew
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;;
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cron)
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cron_task
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;;
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install-cert)
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install_cert
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;;
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*) exit 1 ;;
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esac
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