#!/bin/bash
# Prerequisite Packages:
#   bash, openssl, cat, grep, echo, wget, apt-key, apt-get, useradd, usermod, passwd, mv, cp, sed, systemctl
# Installed Packages:
#   build-essential, dkms, unzip, apache2, virtualbox-6.0 zlibc zlib1g-dev ruby ruby-dev openssl libxslt-dev libxml2-dev# libssl-dev libreadline6-dev libyaml-dev libsqlite3-dev sqlite3
# Description:

#
# Set up variables
#
VB_USERNAME=vbuser
VB_PASSWORD=`openssl rand -base64 16`
VB_EXTPACK_URL="https://download.virtualbox.org/virtualbox/6.0.4/Oracle_VM_VirtualBox_Extension_Pack-6.0.4.vbox-extpack"
VB_EXTPACK_NAME="Oracle_VM_VirtualBox_Extension_Pack-6.0.4.vbox-extpack"
VB_PACKAGES="build-essential dkms unzip apache2 zlibc zlib1g-dev ruby ruby-dev openssl libxslt-dev libxml2-dev libssl-dev libreadline6-dev libyaml-dev libsqlite3-dev sqlite3 virtualbox-6.0"

#
# Add VirtualBox repository
#
cat /etc/apt/sources.list | grep virtualbox
if [ $? -eq 1 ]
then
        echo "deb http://download.virtualbox.org/virtualbox/debian bionic contrib non-free" >> /etc/apt/sources.list
        wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | apt-key add -
        wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox_2016.asc -O- | apt-key add -
fi

#
# Install OS packages
#
apt-get -qq update
apt-get -y -qq upgrade
apt-get -y -qq install $VB_PACKAGES || { echo '[ERROR] Package installation failed! Exiting!' ; exit 1; }

cat /etc/passwd | grep $VB_USERNAME
if [ $? -eq 1 ]
then
        useradd -m $VB_USERNAME
        echo -e "$VB_PASSWORD\n$VB_PASSWORD" | passwd $VB_USERNAME
        echo -e "Username: $VB_USERNAME\nPassword: $VB_PASSWORD"
        usermod -aG vboxusers $VB_USERNAME
fi

#
# Wget the extension pack and phpvirtualbox resources
#
wget -q $VB_EXTPACK_URL

#
# Configure the virtualBox extension
#
vboxmanage extpack install --replace $VB_EXTPACK_NAME
if [ $? -eq 1 ]
then
        echo "There was an error installing the extion pack: $VB_EXTPACK_NAME"
        exit 1
fi

echo "VBOXWEB_USER=$VB_USERNAME" > /etc/default/virtualbox

echo "Done!"