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+#!/usr/bin/env bash
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+# This script uses acme.sh to issue and deploy SSL certificates from Let's Encrypt for a list of domains using the webroot method
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+# See README for more details
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+#
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+# Copyright 2020 Bryan Roessler <bryanroessler@gmail.com>
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+#
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+# USAGE
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+# ./acme-cpanel-webroot.sh [OPTIONS] [FILES...]
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+#
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+# EXAMPLES
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+# TESTING: ./acme-cpanel-webroot.sh --debug -e me@gmail.com multisites/flatwhitedesign.pw multisites/greengingermultisite.website
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+# PRODUCTION: ./acme-cpanel-webroot.sh --force -e me@gmail.com multisites/flatwhitedesign.pw multisites/greengingermultisite.website
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+#
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+# TESTING: ./acme-cpanel-webroot.sh --debug -s multisites
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+# PRODUCTION: ./acme-cpanel-webroot.sh --force -s multisites
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+#
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+# FILES is a list of files containing first-level DOMAIN names (see domains.txt) on newlines
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+# Certificates will automatically be issued and deployed for DOMAIN and www.DOMAIN using the webroot method
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+#
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+# NOTE: The webroot method does NOT support wildcard domains, Let's Encrypt requires wildcard domains to
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+# use DNS challenges, which the CPANEL uapi does not support (use dns_cpaneldns plugin instead)
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+
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+unset SITES_DIR USEREMAIL DOMAIN_FILES DOMAIN_GROUPS DEPLOY_CMD_PREFIX ISSUE_CMD_PREFIX DEBUG GROUP
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+
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+DEBUG="true" # quote this line to stop DEBUG mode and issue certificates for real, or use --force in user options
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+
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+parse_input() {
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+
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+ local input
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+ declare -g USEREMAIL
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+ declare -ag DOMAIN_FILES
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+
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+ if input=$(getopt -o +e:fks:d -l email:,force,keep-grouping,sites-dir:,debug -- "$@"); then
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+ eval set -- "$input"
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+ while true; do
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+ case "$1" in
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+ --email|-e)
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+ shift
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+ USEREMAIL="$1"
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+ ;;
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+ --force|-f)
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+ unset DEBUG
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+ ;;
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+ --keep-grouping|-k)
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+ GROUP="true"
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+ ;;
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+ --sites-dir|-s)
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+ shift
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+ SITES_DIR="$1"
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+ ;;
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+ --debug|-d)
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+ DEBUG="true"
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+ ;;
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+ --)
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+ shift
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+ break
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+ ;;
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+ esac
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+ shift
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+ done
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+ else
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+ echo "Incorrect options provided"
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+ exit 1
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+ fi
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+
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+ # Load domain files from remaining arguments
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+ if [[ $# -lt 1 ]]; then
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+ [[ -v SITES_DIR && -d "$SITES_DIR" ]] && return 0
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+ if [[ -f "domains.txt" ]]; then
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+ echo "You have not supplied any domain files, using domains.txt by default"
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+ DOMAIN_FILES=("domains.txt")
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+ else
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+ echo "You must specify a domain list or use domains.txt by default"
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+ exit 1
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+ fi
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+ else
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+ DOMAIN_FILES=("$@")
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+ fi
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+}
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+
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+
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+get_acme() {
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+ curl https://get.acme.sh | sh
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+ source "$HOME/.bashrc"
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+ "$HOME/.acme.sh/acme.sh" --upgrade --auto-upgrade
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+}
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+
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+
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+update_email() { [[ -v USEREMAIL ]] && "$HOME/.acme.sh/acme.sh" --update-account --accountemail "${USEREMAIL}"; }
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+
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+
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+command_prefixes() {
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+ declare -ag ISSUE_CMD_PREFIX DEPLOY_CMD_PREFIX
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+ ISSUE_CMD_PREFIX=("$HOME/.acme.sh/acme.sh" "--issue" "--force")
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+ [[ -v DEBUG ]] && ISSUE_CMD_PREFIX=("$HOME/.acme.sh/acme.sh" "--issue" "--staging")
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+ DEPLOY_CMD_PREFIX=("$HOME/.acme.sh/acme.sh" "--deploy" "--deploy-hook" "cpanel_uapi")
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+ [[ -v DEBUG ]] && DEPLOY_CMD_PREFIX=("$HOME/.acme.sh/acme.sh" "--deploy" "--deploy-hook" "cpanel_uapi")
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+}
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+
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+
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+# Either create a single array of all domains (DOMAINS) to issue one-by-one or create an array of array names to issue for a single webroot
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+load_domains() {
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+ local domain_file
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+ declare -ag DOMAIN_GROUPS=()
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+
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+ if [[ -v SITES_DIR ]]; then
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+ for domain_file in "$SITES_DIR"/*; do
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+ DOMAIN_GROUPS+=("$(<"$domain_file")")
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+ done
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+ fi
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+
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+ for domain_file in "${DOMAIN_FILES[@]}"; do
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+ # Load list of domains as space-delimited strings in elements of the DOMAINS array
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+ # We can keep these separate or combine them later
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+ DOMAIN_GROUPS+=("$(<"$domain_file")")
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+ done
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+}
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+
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+
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+get_webroot() {
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+ local webroot
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+ if ! webroot=$(uapi DomainInfo single_domain_data domain="$1" | grep documentroot); then
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+ echo "UAPI call failed" >&2
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+ fi
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+ if [[ ! -v webroot || "$webroot" == "" ]]; then
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+ if [[ -v DEBUG ]]; then
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+ webroot="/tmp" # set missing webroot in DEBUG mode for testing
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+ else
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+ echo "Could not find $1's webroot" >&2
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+ exit 1
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+ fi
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+ fi
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+ echo "$webroot"
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+}
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+
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+
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+issue_and_deploy_certs() {
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+
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+ local domain_root domain domain_group
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+ local -a issue_cmd=()
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+ local -a deploy_cmd=()
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+
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+ if [[ -v GROUP ]]; then
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+ for domain_group in "${DOMAIN_GROUPS[@]}"; do
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+ unset i
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+ for domain in $domain_group; do # we want to split on whitespace
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+ [[ "$domain" == "" ]] && continue
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+ # Get the webroot from the first domain
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+ if [[ ! -v i ]]; then
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+ local i="set"
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+ domain_root=$(get_webroot "$domain")
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+ issue_cmd=("${ISSUE_CMD_PREFIX[@]}" "-w" "$domain_root")
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+ fi
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+ issue_cmd+=("-d" "$domain" "-d" "www.$domain")
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+ done
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+
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+ # Issue certificate for entire domain group
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+ echo "Running:" "${issue_cmd[@]}"
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+ "${issue_cmd[@]}"
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+ # Deploy certificates one by one
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+ for domain in $domain_group; do
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+ deploy_cmd=("${DEPLOY_CMD_PREFIX[@]}" "-w" "$domain_root" "-d" "$domain")
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+ echo "Running:" "${deploy_cmd[@]}"
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+ "${deploy_cmd[@]}"
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+ done
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+ done
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+ else
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+ for domain_group in "${DOMAIN_GROUPS[@]}"; do
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+ # Issue and deploy certificates one by one
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+ for domain in $domain_group; do # we want to split on whitespace
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+ domain_root=$(get_webroot "$domain")
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+ issue_cmd=("${ISSUE_CMD_PREFIX[@]}" "-w" "$domain_root" "-d" "$domain" "-d" "www.$domain")
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+ deploy_cmd=("${DEPLOY_CMD_PREFIX[@]}" "-w" "$domain_root" "-d" "$domain") # I think we only need to deploy to the domain, not subdomains
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+ echo "Running:" "${issue_cmd[@]}"
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+ if ! "${issue_cmd[@]}"; then
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+ echo "Certificate issue failed for $domain"
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+ exit_err=1
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+ fi
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+ echo "Running:" "${deploy_cmd[@]}"
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+ if ! "${deploy_cmd[@]}"; then
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+ echo "Certificate deployment failed for $domain"
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+ exit_err=1
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+ fi
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+ done
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+ done
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+ fi
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+}
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+
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+
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+main() {
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+ parse_input "$@"
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+ get_acme
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+ update_email
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+ command_prefixes
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+ load_domains
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+ issue_and_deploy_certs
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+}
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+
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+
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+main "$@"
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+exit "${exit_err:-0}"
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