chore(deps): upgrade ssl-refresher to v1.0.0 (#8)

#!/usr/bin/env bash

LOGGER="logger -t ssl-refresher -s"

CONF_DIR="/etc/opt/ssl-refresher"

########################

die() {

  ${LOGGER} "$@"

  exit 1

}

check_replace_certs() {

  local CERT_NEW="$1"

  local CERT_OLD="$2"

  if [[ ! -f ${CERT_OLD} || -n "$(diff -q ${CERT_OLD} ${CERT_NEW})" ]]; then

      cp -f "${CERT_NEW}" "${CERT_OLD}"

      RESTART_SERVICES=1

  fi

}

########################

if [ "$(id -u)" -ne 0 ]; then

  die "Please run as root"

fi

########################

RESTART_SERVICES=0

DIE=0

########################

if [[ ! -f "${CONF_DIR}/secret" ]]; then

  echo "No secret file [${CONF_DIR}/secret] found!"

  DIE=1

fi

if [[ ! -f "${CONF_DIR}/config" ]]; then

  ${LOGGER} "No config file [${CONF_DIR}/config] found!"

  DIE=1

fi

source "${CONF_DIR}/config"

########################

if [[ -z "${REMOTE_SERVER}" ]]; then

  ${LOGGER} "REMOTE_SERVER is not specified in config file!"

  DIE=1

fi

if [[ -z "${REMOTE_USER}" ]]; then

  ${LOGGER} "REMOTE_USER is not specified in config file!"

  DIE=1

fi

if [[ -z "${REMOTE_DIR}" ]]; then

  ${LOGGER} "REMOTE_DIR is not specified in config file!"

  DIE=1

fi

########################

if [[ "${DIE}" == 1 ]]; then

  die "Errors were found! Exiting... Refer to [${CONF_DIR}] for additional configuration."

fi

########################

WORK_DIR="$(mktemp -d)"

mkdir -p "/opt/ssl/"

"${RSYNC_COMMAND:-rsync}" -aL --password-file="${CONF_DIR}/secret" rsync://"${REMOTE_USER}"@"${REMOTE_SERVER}"/"${REMOTE_DIR}/" "${WORK_DIR}/" || die "Could not rsync"

check_replace_certs "${WORK_DIR}/chain.pem" "/opt/ssl/chain.pem"

check_replace_certs "${WORK_DIR}/fullchain.pem" "/opt/ssl/fullchain.pem"

check_replace_certs "${WORK_DIR}/cert.pem" "/opt/ssl/cert.pem"

check_replace_certs "${WORK_DIR}/privkey.pem" "/opt/ssl/privkey.pem"

chmod -R a+rX "/opt/ssl/"

rm -rf "${WORK_DIR}/"

########################

if [[ "$RESTART_SERVICES" == 1 ]]; then

    ${LOGGER} "SSL files were changed..."

    "${CONF_DIR}/success" &

fi