#!/bin/bash

domain="$1"

if [[ -z "$domain" ]]
then 
    echo "Domain needs to be provided"
    exit 1
fi

# Installing OpenDkim Configuration Files
cp config-files/opendkim.conf /etc/
vim /etc/opendkim.conf

mkdir /etc/opendkim
mkdir /etc/opendkim/keys

chown opendkim:opendkim -R /etc/opendkim
chmod go-rw /etc/opendkim/keys

cp config-files/opendkim/signing.table /etc/opendkim/
vim /etc/opendkim/signing.table

cp config-files/opendkim/key.table /etc/opendkim
vim /etc/opendkim/key.table

cp config-files/opendkim/trusted.hosts /etc/opendkim/
vim /etc/opendkim/trusted.hosts

mkdir /etc/opendkim/keys/$domain/
opendkim-genkey -b 4096 -d "$domain" -D /etc/opendkim/keys/$domain/ -s default -v
chown opendkim:opendkim /etc/opendkim/keys/$domain/default.private
chmod 600 /etc/opendkim/keys/$domain/default.private
cat /etc/opendkim/keys/$domain/default.txt

mkdir /var/spool/postfix/opendkim/
chown opendkim:postfix /var/spool/postfix/opendkim/

echo "ExecStartPost=/bin/sh -c 'chown opendkim:postfix /var/run/opendkim/opendkim.pid'"
echo "Sleeping for 5 seconds"
sleep 5
vim /etc/systemd/system/multi-user.target.wants/opendkim.service
systemctl daemon-reload

# Enable in postifx
vim /etc/postfix/main.cf

systemctl restart postfix opendkim