#!/bin/bash

# must be root
if [ "$USER" != "root" ]; then
  echo "You must be root to run this installer."
  exit
fi

# Check for vmail-stack & vhost-stack installs & required configs
if [ -f "/usr/local/bin/vhost.sh" ] && [ -d "/srv/www/html" ] && [ -f "/usr/local/bin/vmail.sh" ] && [ -f "/var/vmail/.my.cnf" ]; then
  # check for existing roundcube webmail install
  if [ -d "/srv/www/html/roundcube" ]; then
    echo "Roundcube webmail app is already installed."
    exit
  fi
else
  echo "Missing required installs/configurations."
  echo "You must install vhost-stack & vmail-stack first."
  exit
fi

# get current working dir, so we can come back here later
installer_dir=$(dirname $(readlink -f $0))

cd /usr/local/src/
wget https://github.com/roundcube/roundcubemail/releases/download/1.4.12/roundcubemail-1.4.12-complete.tar.gz
tar zxf roundcubemail-1.4.12-complete.tar.gz
mv roundcubemail-1.4.12 /srv/www/html/roundcube

cd /usr/local/src/
wget https://github.com/johndoh/roundcube-sauserprefs/archive/refs/tags/1.18.4.tar.gz -O roundcube-sauserprefs-1.18.4.tar.gz
tar zxf roundcube-sauserprefs-1.18.4.tar.gz
mv roundcube-sauserprefs-1.18.4 /srv/www/html/roundcube/plugins/sauserprefs

cd $installer_dir

cp config/config.inc.php /srv/www/html/roundcube/config/config.inc.php
# get vmail db settings and set db connection info
dbhost=`grep -m 1 host /var/vmail/.my.cnf |cut -d = -f 2|cut -d ' ' -f 2`
dbdatabase=`grep -m 1 database /var/vmail/.my.cnf |cut -d = -f 2|cut -d ' ' -f 2`
dbuser=`grep -m 1 user /var/vmail/.my.cnf |cut -d = -f 2|cut -d ' ' -f 2`
dbpass=`grep -m 1 password /var/vmail/.my.cnf |cut -d = -f 2|cut -d ' ' -f 2`
sed -i "s|.*db_dsnw.*|\$config['db_dsnw'] = 'mysql://$dbuser:$dbpass@$dbhost/$dbdatabase';|g" /srv/www/html/roundcube/config/config.inc.php

apt-get update

# make sure pwgen is installed
apt-get -qq -y install pwgen

# create random key
des_key=`pwgen -1 24`
sed -i "s|.*des_key.*|\$config['des_key'] = '$des_key';|g" /srv/www/html/roundcube/config/config.inc.php

# install plugins / configs
cp -a plugins/* /srv/www/html/roundcube/plugins/
sed -i "s|.*sauserprefs_db_dsnw.*|\$config['sauserprefs_db_dsnw'] = 'mysql://$dbuser:$dbpass@$dbhost/$dbdatabase';|g" /srv/www/html/roundcube/plugins/sauserprefs/config.inc.php

# create tmp files storage dir
install --owner=www-data --group=www-data --mode=750 --directory /var/tmp/roundcube

# set permissions
# # USER=$(stat -c '%U' /srv/www/html)
# # GROUP=$(stat -c '%G' /srv/www/html)
# # chown -R $USER:$GROUP /srv/www/html/roundcube
rm -r /srv/www/html/roundcube/installer/
chown -R vhost:vhost /srv/www/html/roundcube
find /srv/www/html/roundcube -type d -exec chmod 755 {} +
find /srv/www/html/roundcube -type f -exec chmod 644 {} +
chmod 755 /srv/www/html/roundcube/bin/*.sh

# load roundcube database tables
mysql vmail < rc.sql

# install & enable rc systemd cron
cp sbin/rc-cron.sh /usr/local/sbin/
chmod 755 /usr/local/sbin/rc-cron.sh
cp systemd/rc-cron.* /usr/lib/systemd/system/
chmod 644 /usr/lib/systemd/system/rc-cron.*
systemctl daemon-reload
systemctl start rc-cron.timer

echo "Roundcube webmail installed."
echo "You can optionally set the vars 'product_name' & 'support_url' in /srv/www/html/roundcube/config/config.inc.php"