#!/bin/bash
##--------------------##
#   Legacy/Main Menu   #
##--------------------##
sed -i -e 's/magenta/blue/g' /etc/newt/palette

if [ "$1" != "-l" ]; then
  echo "Normal mode"
  PKGM="debconf-apt-progress -- apt"
  OUTPUT='/dev/null'
  IMODE=n
fi
if [ "$1" = "-l" ]; then
  echo "Legacy mode";
  PKGM="apt"
  OUTPUT='/dev/tty'
  IMODE=l
fi


##---------------##
#    Functions    #
##---------------##
msg () {
if [ $IMODE = n ]; then
TERM=ansi whiptail --title "Info" --infobox "$1" 8 52
fi
if [ $IMODE = l ]; then
echo "$1"
fi
}


##---------------##
#   Static-Vars   #
##---------------##

#Git-repo
repo=https://git.ictmaatwerk.com/bprieshof/UBU-Web-V2
branch=master
#Installer-config
phpver=7.3
sqlver=8.0
cockpit=1
PHPMyadmin=1
#PackageManager-config
PKGA="add-apt-repository"
PKGI="${PKGM} install -y"
OUTPUT='/dev/null'


##--------------------------##
#   Installer-Requirements   #
##--------------------------##

msg "Starting installer." 8 78
$PKGM update > $OUTPUT 2>&1
$PKGI curl > $OUTPUT 2>&1


##--------##
#   Menu   #
##--------##
if [ $IMODE = n ]; then
domain=$(whiptail --nocancel --inputbox "                        Enter the domain without WWW     " 11 82 --title "Config" 3>&1 1>&2 2>&3)
password=$(whiptail --nocancel --passwordbox "Please enter your password (should contain at least 2 digits and 6 characters)" 11 82 --title "Config" 3>&1 1>&2 2>&3)
email=$(whiptail --nocancel --inputbox "                        Enter the administrator e-mail" 11 82 --title "Config" 3>&1 1>&2 2>&3)
webserv=$(whiptail --title "Select Webserver" --radiolist "WebServer" 11 53 5 "Nginx:" "Will install NGINX Webserver." ON "Apache:" "Will install Apache Webserver." OFF 3>&1 1>&2 2>&3)
fi

if [ $IMODE = l ]; then
echo "" >/dev/null
echo "Enter the domain without WWW:"
read domain
echo "Please enter your password (should contain at least 2 digits and 6 characters:"
read password
echo "Administrator E-mail:"
read email
fi

if [[ $webserv == "Nginx:" ]]; then
echo "nginx php-imagick php-pear php${phpver}-fpm php${phpver}-mysql php${phpver}-cgi php${phpver}-common php${phpver}-mbstring php${phpver}-curl php${phpver}-gd php${phpver}-intl php${phpver}-soap php${phpver}-xml php${phpver}-xmlrpc php${phpver}-zip" >> /tmp/install.txt
fi
if [[ $webserv == "Apache:" ]]; then
echo "apache2 php-pear libapache2-mod-php php${phpver}-mysql php${phpver}-cgi php${phpver}-common php${phpver}-mbstring php${phpver}-curl php${phpver}-gd php${phpver}-intl php${phpver}-soap php${phpver}-xml php${phpver}-xmlrpc php${phpver}-zip" >> /tmp/install.txt
fi


##----------##
#   Addons   #
##----------##

if [[ $webserv = "Nginx:" ]]; then
#NGINX Addon menu
option=$(whiptail --nocancel --title "Which Nginx addons should be installed?" --checklist "Features" 11 110 5 "Memcached:" "Memcached is an open source, high-performance, distributed memory caching system." OFF "Redis Cache:" "Redis is an open source BSD licensed, in-memory data structure store." OFF 3>&1 1>&2 2>&3)
fi

if [[ $webserv = "Apache:" ]]; then
#Apache Addon menu
option=$(whiptail --nocancel --title "Which Apache addons should be installed?" --checklist "Features" 11 110 5 "Memcached:" "Memcached is an open source, high-performance, distributed memory caching system." OFF "Redis Cache:" "Redis is an open source BSD licensed, in-memory data structure store." OFF 3>&1 1>&2 2>&3)
fi


if [[ $option == *"Memcached:"* ]]; then
#curl -s "$repo"/raw/branch/"$branch"/modules/MODNAME/"$webserv"-aptlist >> /tmp/install.txt
echo "php-memcached" >> /tmp/install.txt
fi

if [[ $option == *"Redis"* ]]; then
echo "redis-server" >> /tmp/install.txt
fi

if [[ $option == *"Brotli:"* ]]; then
echo "" >> /tmp/install.txt
fi


##-------##
#   CMS   #
##-------##

CMS=$(whiptail --nocancel --title "What CMS should be installed?" --radiolist "Features" 11 118 5 "Nextcloud:" "Nextcloud is a suite of client-server software for creating and using file hosting services." OFF "Wordpress:" "WordPress is a content management system based on PHP." OFF "None:" "A plain webserver will be setup." OFF 3>&1 1>&2 2>&3)
if [[ $CMS == "Nextcloud:" ]]; then
echo "libxml2 openssl zlib1g libpng-dev redis-server" >> /tmp/install.txt
fi

if [[ $CMS == "Wordpress:" ]]; then
echo "" >> /tmp/install.txt
fi

if [[ $CMS == "None:" ]]; then
echo "" >> /tmp/install.txt
fi


##--------------------##
#   Pre-Requirements   #
##--------------------##
sed -i '/Port 22/c\Port 4242' /etc/ssh/sshd_config

msg "Preconfiguring."
$PKGI software-properties-common > $OUTPUT 2>&1
$PKGA universe -y > $OUTPUT 2>&1
$PKGA ppa:ondrej/php -y > $OUTPUT 2>&1
$PKGA ppa:certbot/certbot -y > $OUTPUT 2>&1
$PKGA ppa:nginx/stable -y > $OUTPUT 2>&1
$PKGA ppa:chris-lea/redis-server -y > $OUTPUT 2>&1
$PKGM update
$PKGM upgrade -y


##-------------##
#   Installer   #
##-------------##

echo "fail2ban" >> /tmp/install.txt
cat /tmp/install.txt | xargs $PKGI


##---------------##
#   Configuring   #
##---------------##

if [[ $ModName == "1" ]]; then
source <(curl -s "$repo"/raw/branch/"$branch"/modules/MODNAME/"$webserv"-config.sh)
fi


##------------##
#   Fail2Ban   #
##------------##

sed -i 's/root@localhost/'$email'/g' /etc/fail2ban/jail.conf
wget -q -t7 "$repo"/raw/branch/"$branch"/config/fail2ban/sshd.local -O /etc/fail2ban/jail.d/sshd.local
if [[ $CMS == "Nextcloud" ]]; then
wget -q -t7 "$repo"/raw/branch/"$branch"/config/fail2ban/nextcloud.conf -O /etc/fail2ban/filter.d/nextcloud.conf
wget -q -t7 "$repo"/raw/branch/"$branch"/config/fail2ban/nextcloud.local -O /etc/fail2ban/jail.d/nextcloud.local
fi
if [[ $CMS == "Wordpress" ]]; then
wget -q -t7 "$repo"/raw/branch/"$branch"/config/fail2ban/wordpress.conf -O /etc/fail2ban/filter.d/wordpress.conf
wget -q -t7 "$repo"/raw/branch/"$branch"/config/fail2ban/wordpress.local -O /etc/fail2ban/jail.d/wordpress.local
fi


##-------##
#   UFW   #
##-------##

sed -i '/IPV6=/c\IPV6=yes' /etc/default/ufw
ufw default deny incoming > $OUTPUT 2>&1
ufw default allow outgoing > $OUTPUT 2>&1
ufw allow 80/tcp > $OUTPUT 2>&1
ufw allow 443/tcp > $OUTPUT 2>&1
ufw limit 4242/tcp > $OUTPUT 2>&1
echo "y" | ufw enable > $OUTPUT 2>&1

##------------##
#   Services   #
##------------##

systemctl restart sshd