#! /bin/bash

DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-sasl-password.cf}

DOMAIN="$1"
USER="$2"
PASSWD="$3"

usage() {
	echo "Usage: addsaslpassword <domain> <username> <password>"
}

errex() {
	echo "$@" 1>&2
	exit 1
}

escape() {
	echo "${1//./\\.}"
}

[ -z "$DOMAIN" ] && { usage; errex "no domain specified"; }
[ -z "$USER" ] && { usage; errex "no username specified"; }

if [ -z "$PASSWD" ]; then
	read -s -p "Enter Password: " PASSWD
	echo
	[ -z "$PASSWD" ] && errex "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