#!/bin/bash


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

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


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

#Git-repo
repo=https://git.bprieshof.nl/Work/UBU-Web-V2_PHPSPLIT
branch=master
#Installer-config
phpver=7.4
PHPMyadmin=1
sqlver=8.0
TestMode=0
#PackageManager-config
PKGA="add-apt-repository --no-update"
PKGI="${PKGM} install -y --no-install-recommends"

##-------------##
#   Test-Vars   #
##-------------##

syscheckoff=0
if [ $TestMode = 1 ]; then
domain=ict-dagbesteding.nl
sitename=ict_DB_nl
email=b.prieshof@ictmaatwerk.com
password=MeiFerrieSekureTESTp@ssw0rd4213
hostname=vdh001.nxdi.nl
sslenable=0
domainwww=0
fi


##---------------------##
#   Always-on modules   #
##---------------------##

aonoption="/MySQL/"
aonoption="$aonoption /Unattended-Security-Updates/"
aonoption="$aonoption /Backup-Util/"



##---------------##
#    Functions    #
##---------------##

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

function PasswordQuest {
passdiaone=$(whiptail --nocancel --passwordbox "Please enter your password (Requires 8 chars, uper & lower case, special and numerical)" 11 91 --title "Config" 3>&1 1>&2 2>&3)
if [ -z $passdiaone ]; then PasswordQuest; fi
if [[ ${#passdiaone} -ge 8 && "$passdiaone" == *[[:lower:]]* && "$passdiaone" == *[[:upper:]]* && "$passdiaone" == *[0-9]* && "$passdiaone" == *['!'@#%^\&*()_+]* ]]; then
    PasswordCheck
else
    whiptail --ok-button Done --msgbox "   Password is invalid!" 10 30
    unset passdiaone
    PasswordQuest
fi
}

function PasswordCheck {
#Checking password
passdiatwo=$(whiptail --nocancel --passwordbox "                         Please re-enter your password" 11 82 --title "Config" 3>&1 1>&2 2>&3)
if [ -z $passdiatwo ]; then
    PasswordCheck
    else
    if [ $passdiaone != $passdiatwo ]; then
        whiptail --ok-button Done --msgbox " Password does not match!" 10 30
        PasswordQuest
    else
        password="$passdiaone"
        unset passdiaone passdiatwo
    fi
fi
}

function LegacyPasswordQuest {
echo "Enter password (Requires: 8 chars, 1 capital and 1 num)"
read -s passdiaone
if [ -z $passdiaone ]; then LegacyPasswordQuest; fi
if [[ ${#passdiaone} -ge 8 && "$passdiaone" == *[[:lower:]]* && "$passdiaone" == *[[:upper:]]* && "$passdiaone" == *[0-9]* && "$passdiaone" == *['!'@#%^\&*()_+]* ]]; then
    LegacyPasswordCheck
else
    echo "Password is invalid!"
    unset passdiaone
    LegacyPasswordQuest
fi
}

function LegacyPasswordCheck {
#Checking password
echo "Please re-enter your password"
read -s passdiatwo
if [ -z $passdiatwo ]; then
    LegacyPasswordCheck
else
    if [ $passdiaone != $passdiatwo ]; then
        echo "Password does not match!"
        LegacyPasswordQuest
    else
        password="$passdiaone"
        unset passdiaone passdiatwo
    fi
fi
}

function HostnameQuest {
if (whiptail --title "Config" --yesno "                          Hostname with nxdi.nl" 11 78); then
    hostname=$(whiptail --nocancel --inputbox "                      SystemID (eg: VCH001) without ".nxdi.nl"     " 11 82 --title "Config" 3>&1 1>&2 2>&3)
    hostname=$hostname".nxdi.nl"
else
    hostname=$(whiptail --nocancel --inputbox "                              Hostname" 11 78 --title "Config" 3>&1 1>&2 2>&3)
fi
}

function LegacyHostnameQuest {
while true; do
    read -p "Hostname with nxdi.nl -> yes/no?" yn
    case $yn in
        [Nn]* )
        echo 'Enter full hostname:'
        read hostname
        break;;
        [Yy]* )
        echo 'Hostname (eg: VCH001) without ".nxdi.nl":'
        read hostname
        hostname=$hostname".nxdi.nl"
        break;;
        * )echo "Choose yes or no.";;
    esac
done
}


##----------------##
#   System-Check   #
##----------------##

if [[ "$syscheckoff" -ne 1 ]] && [[ -d /etc/ICTM ]]; then msg "             This system has already been installed by Web-V2" && exit; fi
if [[ "$syscheckoff" -ne 1 ]] && [[ ! -z $(dpkg -l | cut -d " " -f 3 | grep "^mysql-server") || ! -z $(dpkg -l | cut -d " " -f 3 | grep "nginx") || ! -z $(dpkg -l | cut -d " " -f 3 | grep "apache") || ! -z $(dpkg -l | cut -d " " -f 3 | grep "php") ]] ; then msg " This system has installed packages, Web-V2 is designed for clean systems" && exit; fi


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

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


##--------##
#   Menu   #
##--------##

#Fetching  Menu Entries
source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/ModulesMenu.list)

if [ $IMODE = n ]; then
if [ $TestMode = 0 ]; then
domain=$(whiptail --nocancel --inputbox "                        Enter the domain without WWW     " 11 82 --title "Config" 3>&1 1>&2 2>&3)
if (whiptail --title "Set sitename?" --yesno "Set sitename to ${domain//./_} ?" 8 78); then
    sitename=${domain//./_}
else
while true; do
  sitename=$(whiptail --nocancel --inputbox "Enter sitename, Must NOT contain special characters, except: _" 8 78 --title "Sitename" 3>&1 1>&2 2>&3)
  if [[ $sitename == *['!'@#\$%^\&*()+,.]* ]] || [ -z "$sitename" ]
  then
     whiptail  --msgbox "   Site can't be empty, or contain a special character except for: _" 11 78
  else 
  break
  fi
done
fi
while true; do
  HostnameQuest
  if [[ "$hostname" == "$domain" ]] || [ -z "$hostname" ]
  then
     whiptail  --msgbox "   Hostname can't be empty, or be the same as the domain" 11 78
  else 
  break

  fi
done
if (whiptail --title "Config" --yesno "                       Enable SSL on installation?" 11 78); then
   sslenable=1
else
   sslenable=0
fi
PasswordQuest
email=$(whiptail --nocancel --inputbox "                     Enter the administrator e-mail" 11 78 --title "Config" 3>&1 1>&2 2>&3)
fi
webserv=$(whiptail --title "Select Webserver" --radiolist "WebServer" 11 53 5  "${webservers[@]}" 3>&1 1>&2 2>&3)
esws=$?
[[ "$esws" = 1 ]] && msg "              Quiting installer" 8 78 && exit;
fi

if [ $IMODE = l ]; then
echo "" >/dev/null
if [ $TestMode = 0 ]; then
echo "Enter the domain without WWW:"
read domain
while true; do
    read -p "Does www.${domain} exist in DNS -> yes/no?" yn
    case $yn in
        [Yy]* ) domainwww=1
        break;;
        [Nn]* ) domainwww=0
        break;;
        * ) echo "Choose yes or no.";;
    esac
done
read -p "Set sitename to ${domain//./_}? (y/n)" choice
case "$choice" in
  y|Y ) sitename=${domain//./_};;
  n|N ) echo "";
  while true; do
  echo "Please enter sitename, Must NOT contain special characters, except: _";read sitename
  if [[ $sitename == *['!'@#\$%^\&*()+,.]* ]] || [ -z "$sitename" ]
  then
     echo "Site can't be empty, or contain a special character except for: _"
  else 
  break
  fi
done
  ;;
  * ) echo "invalid";;
esac
while true; do
  LegacyHostnameQuest
  
  if [[ "$hostname" == "$domain" ]] || [ -z "$hostname" ]
  then
     echo "Hostname can't be empty, or be the same as the domain"
  else 
  break

  fi
done
while true; do
    read -p "Enable SSL on installation? -> yes/no?" yn
    case $yn in
        [Yy]* ) sslenable=1
        break;;
        [Nn]* ) sslenable=0
        break;;
        * ) echo "Choose yes or no.";;
    esac
done
LegacyPasswordQuest
echo "Administrator E-mail:"
read email
fi

echo "Select Webserver:"
select webserv in "${webservers[@]}"; do
    case $webserv in
        "Quit") exit ;;
        "") echo 'Invalid choice' >&2 ;;
        *)  break
    esac
done

fi

webserv="${webserv//:}" && webserv="${webserv,,}"

#Setting Menulist to webserver
declare -n CMSL="$webserv"CMSL
declare -n options="$webserv"Options

#Generating APT-List for webserver
curl --silent --show-error "$repo"/raw/branch/"$branch"/CoreModules/generic/apt.list >>/tmp/apt.list
printf " " >>/tmp/apt.list

curl --silent --show-error "$repo"/raw/branch/"$branch"/CoreModules/"$webserv"/apt.list >>/tmp/apt.list
printf " " >>/tmp/apt.list


##-----------------##
#   Storeing vars   #
##-----------------##

mkdir -p /etc/ICTM/sites
echo "InstDate=$(date "+%d-%B-%Y")" >> /etc/ICTM/mainvar.list
for storeme in PKGM PKGA PKGI OUTPUT IMODE repo branch webserv phpver sqlver PHPMyadmin email hostname; do
    declare -p $storeme | cut -d ' ' -f 3- >> /etc/ICTM/mainvar.list
done

touch /etc/ICTM/sites/"$sitename"

##----------##
#   Addons   #
##----------##
##DisableOPtionMenu
if [ $IMODE = n ]; then
option=$(whiptail --nocancel --title "Additional modules" --checklist "Features" 11 110 5 "${options[@]}" 3>&1 1>&2 2>&3)
fi
if [ $IMODE = l ]; then
choice () {
local choice=$1
if [[ ${opts[choice]} ]] # toggle
then
opts[choice]=
topt=${opt//+/}
topt="${topt%"${topt##*[![:space:]]}"}"  
topt=\"$topt\"
option=${option//"$topt"/}
unset topt
else
opts[choice]=+
opt="${opt%"${opt##*[![:space:]]}"}"   
option+="\"$opt\" "
fi
}
PS3='Which addons should be installed?'
while :
do
echo ""
unset options2
unset OPTcounter
for E in "${options[@]}"; do
    ((OPTcounter++))
    options2+=("${E} ${opts["$OPTcounter"]}")
done
options2+=("Done")

select opt in "${options2[@]}"
do
    case $opt in
        "Done") break 2;;
        "") printf '%s\n' 'invalid option';;
        *) choice $REPLY
        break
        ;;
    esac
done
done 
option="${option%"${option##*[![:space:]]}"}"
fi
#saving selected modules
echo 'SelectedOptions=('$option')' > /etc/ICTM/selopts.list

#Cleaning options from menu
option="${option,,}" && option="${option// /}" && option="${option//:/ }" && option="${option//'"'}"
#Combining selected option with always-on options
option="$option""$aonoption"

#Generating APT-list options
for val1 in ${option[*]}; do
    modListed=$(wget -t7 -qO - "$repo"/raw/branch/master/extModules.list|grep "$val1")
    #Checking
    if test -z "$modListed"
    then
        #Fetching from local repo
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/SubModules/"$val1"/apt.list; then
           curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/SubModules/"$val1"/apt.list >>/tmp/apt.list
           printf " " >>/tmp/apt.list
        fi
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/SubModules/"$val1"/"$webserv"-apt.list; then
           curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/SubModules/"$val1"/"$webserv"-apt.list >>/tmp/apt.list
           printf " " >>/tmp/apt.list
        fi
    else
        #Fetching from remote repo
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed"apt.list; then
           curl --retry 7 --retry-delay 5 -s "$modListed"apt.list >>/tmp/apt.list
           printf " " >>/tmp/apt.list
        fi
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed""$webserv"-apt.list; then
           curl "$modListed""$webserv"-apt.list >>/tmp/apt.list
           printf " " >>/tmp/apt.list
        fi
    fi
done

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

if [ $IMODE = n ]; then
function CMSM {
CMS=$(whiptail --nocancel --title "What CMS should be installed?" --radiolist "Features" 11 118 5 "${CMSL[@]}" 3>&1 1>&2 2>&3)
if [ -z $CMS ]; then CMSM; fi
}
CMSM
fi

if [ $IMODE = l ]; then
echo "What CMS should be installed?"
#CMSPromt
select CMS in "${CMSL[@]}"; do
    case CMS in
        "") echo 'Invalid choice' >&2 ;;
        *)  break
    esac
done
fi

CMS="${CMS//:}" && CMS="${CMS,,}"

#Generating APT-List CMS
if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CMS/"$CMS"/apt.list >>/tmp/apt.list; then
   curl "$repo"/raw/branch/"$branch"/CMS/"$CMS"/apt.list >>/tmp/apt.list
   printf " " >>/tmp/apt.list
fi
if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CMS/"$CMS"/"$webserv"-apt.list; then
 curl "$repo"/raw/branch/"$branch"/CMS/"$CMS"/"$webserv"-apt.list >>/tmp/apt.list
 printf " " >>/tmp/apt.list

fi


##-------------------##
#   Pre-configuring   #
##-------------------##

msg "               Pre-configuring"

#Generic Pre-Conf
source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CoreModules/generic/preconf.sh)

#Generic WebServer
if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CoreModules/"$webserv"/preconf.sh; then
    source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CoreModules/"$webserv"/preconf.sh)
fi

#Preconfiguring for Modules
for val1 in ${option[*]}; do
    msg "Pre-configuring  $val1"
    modListed=$(wget -t7 -qO - "$repo"/raw/branch/master/extModules.list|grep "$val1")
    #Checking
    if test -z "$modListed"
    then
        #Fetching from local repo
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/SubModules/"$val1"/preconf.sh; then
        source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/SubModules/"$val1"/preconf.sh)
        fi
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/SubModules/"$val1"/"$webserv"-preconf.sh; then
            source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/SubModules/"$val1"/"$webserv"-preconf.sh)
        fi
    else
        #Fetching from remote repo
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed"preconf.sh; then
        source <(curl --retry 7 --retry-delay 5 -s "$modListed"preconf.sh)
        fi
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed""$webserv"-preconf.sh; then
            source <(curl --retry 7 --retry-delay 5 -s "$modListed""$webserv"-preconf.sh)
        fi
    fi
done

#Preconfiguring CMS
if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CMS/"$CMS"/preconf.sh; then
 source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CMS/"$CMS"/preconf.sh)
fi
if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CMS/"$CMS"/"$webserv"-preconf.sh; then
 source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CMS/"$CMS"/"$webserv"-preconf.sh)
fi


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

$PKGM update
sed -i 's/PHPver/'$phpver'/g' /tmp/apt.list
cat /tmp/apt.list | xargs $PKGI


##---------------##
#   Configuring   #
##---------------##
msg "                 Configuring"

#Configuring Generic
source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CoreModules/generic/conf.sh)

#Configuring WebServer
if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CoreModules/"$webserv"/conf.sh; then
 source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CoreModules/"$webserv"/conf.sh)
fi

#Configuring Options
for val1 in ${option[*]}; do
    msg " Configuring  $val1"
    modListed=$(wget -t7 -qO - "$repo"/raw/branch/master/extModules.list|grep "$val1")
    #Checking
    if test -z "$modListed" 
    then
        #Fetching from local repo
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/SubModules/"$val1"/conf.sh; then
        source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/SubModules/"$val1"/conf.sh)
        fi
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/SubModules/"$val1"/"$webserv"-conf.sh; then
            source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/SubModules/"$val1"/"$webserv"-conf.sh)
        fi
    else
        #Fetching from remote repo
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed"conf.sh; then
        source <(curl --retry 7 --retry-delay 5 -s "$modListed"conf.sh)
        fi
        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed""$webserv"-conf.sh; then
            source <(curl --retry 7 --retry-delay 5 -s "$modListed""$webserv"-conf.sh)
        fi
    fi
done


if [ $sslenable = 1 ]; then
    msg "                Setting up SSL" 8 78
    site_ext=ssl
    if [ $domainwww = 1 ]; then
        certbot --"$webserv" certonly -n -d "$domain" -d "www.$domain" -m "$email" --hsts --redirect --no-eff-email --agree-tos
    elif [ $domainwww = 0 ]; then
        certbot --"$webserv" certonly -n -d "$domain" -m "$email" --hsts --redirect --no-eff-email --agree-tos
    fi
    certbot --"$webserv" certonly -n -d "$hostname" -m "$email" --hsts --redirect --no-eff-email --agree-tos
    if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CoreModules/"$webserv"/ssl-handler.sh; then
        source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CoreModules/"$webserv"/ssl-handler.sh)
    fi
elif [ $sslenable = 0 ]; then
    site_ext=nossl
fi

wget -q -t7 "$repo"/raw/branch/"$branch"/Scripts/EnableSSL.sh -O ~/activateSSL-$domain.sh
sed -i -e 's/DOMAINname/'$domain'/' -e 's/CONFname/'$sitename'/' -e 's/DomainWWW/'$domainwww'/' -e 's/Email/'$email'/' -e 's/WebServer/'$webserv'/' ~/activateSSL-$domain.sh

wget -q -t7 "$repo"/raw/branch/"$branch"/Scripts/EnableSSL.sh -O ~/activateSSL-Backend.sh
sed -i -e 's/DOMAINname/'$hostname'/' -e 's/CONFname/'Backend'/' -e 's/DomainWWW/'0'/' -e 's/Email/'$email'/' -e 's/WebServer/'$webserv'/' ~/activateSSL-Backend.sh

msg "                Configuring CMS"
if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CMS/"$CMS"/conf.sh; then
 source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CMS/"$CMS"/conf.sh)
fi
if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CMS/"$CMS"/"$webserv"-conf.sh; then
 source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CMS/"$CMS"/"$webserv"-conf.sh)
fi

if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CMS/Backend/conf.sh; then
 source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CMS/Backend/conf.sh)
fi

if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/branch/"$branch"/CMS/Backend/"$webserv"-conf.sh; then
 source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/branch/"$branch"/CMS/Backend/"$webserv"-conf.sh)
fi


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

systemctl reload sshd fail2ban postfix postfix@- 


##-------##
#   Done  #
##-------##

msg "                Done installing!"
for f in /etc/update-motd.d/51*; do bash $f; done