docker-mailserver/target/bin/addsaslpassword

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#! /bin/bash
# shellcheck source=../scripts/helpers/index.sh
source /usr/local/bin/helpers/index.sh
DATABASE='/tmp/docker-mailserver/postfix-sasl-password.cf'
function __usage { echo "Usage: addsaslpassword <domain> <username> <password>" ; }
[[ ${1:-} == 'help' ]] && { __usage ; exit 0 ; }
DOMAIN="${1}"
USER="${2}"
PASSWD="${3}"
[[ -z ${DOMAIN} ]] && { __usage ; _exit_with_error 'No domain specified' ; }
[[ -z ${USER} ]] && { __usage ; _exit_with_error 'No username specified' ; }
if [[ -z ${PASSWD} ]]
then
read -r -s -p "Enter Password: " PASSWD
echo
[[ -z ${PASSWD} ]] && _exit_with_error 'Password must not be empty'
fi
if grep -qi "^@${DOMAIN}" "${DATABASE}" 2>/dev/null
then
sed -i \
"s|^@${DOMAIN}.*|@${DOMAIN}\t\t${USER}:${PASSWD}|" \
"${DATABASE}"
else
echo -e "@${DOMAIN}\t\t${USER}:${PASSWD}" >>"${DATABASE}"
fi