#!/usr/bin/env bash

# Official Sentora Automated Installation Script
# =============================================
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Supported Operating Systems: CentOS 6.*/7.* Minimal, Ubuntu server 12.04/14.04 
#  32bit and 64bit
#
#  Author Pascal Peyremorte (ppeyremorte@sentora.org)
#    (main merge of all installers, modularization, reworks and comments)
#  With huge help and contributions from Mehdi Blagui, Kevin Andrews and 
#  all those who participated to this and to previous installers.
#  Thanks to all.

SENTORA_INSTALLER_VERSION="1.0.3"
SENTORA_CORE_VERSION="1.0.0"
SENTORA_PRECONF_VERSION="1.0.3"

PANEL_PATH="/etc/sentora"
PANEL_DATA="/var/sentora"

#--- Display the 'welcome' splash/user warning info..
echo ""
echo "############################################################"
echo "#  Welcome to the Official Sentora Installer $SENTORA_INSTALLER_VERSION  #"
echo "############################################################"

echo -e "\nChecking that minimal requirements are ok"

# Ensure the OS is compatible with the launcher
if [ -f /etc/centos-release ]; then
    OS="CentOs"
    VERFULL=$(sed 's/^.*release //;s/ (Fin.*$//' /etc/centos-release)
    VER=${VERFULL:0:1} # return 6 or 7
elif [ -f /etc/lsb-release ]; then
    OS=$(grep DISTRIB_ID /etc/lsb-release | sed 's/^.*=//')
    VER=$(grep DISTRIB_RELEASE /etc/lsb-release | sed 's/^.*=//')
else
    OS=$(uname -s)
    VER=$(uname -r)
fi
ARCH=$(uname -m)

echo "Detected : $OS  $VER  $ARCH"

if [[ "$OS" = "CentOs" && ("$VER" = "6" || "$VER" = "7" ) || 
      "$OS" = "Ubuntu" && ("$VER" = "12.04" || "$VER" = "14.04" ) ]] ; then 
    echo "Ok."
else
    echo "Sorry, this OS is not supported by Sentora." 
    exit 1
fi

# Centos uses repo directory that depends of architecture. Ensure it is compatible
if [[ "$OS" = "CentOs" ]] ; then
    if [[ "$ARCH" == "i386" || "$ARCH" == "i486" || "$ARCH" == "i586" || "$ARCH" == "i686" ]]; then
        ARCH="i386"
    elif [[ "$ARCH" != "x86_64" ]]; then
        echo "Unexpected architecture name was returned ($ARCH ). :-("
        echo "The installer have been designed for i[3-6]8- and x86_64' architectures. If you"
        echo " think it may work on your, please report it to the Sentora forum or bugtracker."
        exit 1
    fi
fi

# Check if the user is 'root' before allowing installation to commence
if [ $UID -ne 0 ]; then
    echo "Install failed: you must be logged in as 'root' to install."
    echo "Use command 'sudo -i', then enter root password and then try again."
    exit 1
fi

# Check for some common control panels that we know will affect the installation/operating of Sentora.
if [ -e /usr/local/cpanel ] || [ -e /usr/local/directadmin ] || [ -e /usr/local/solusvm/www ] || [ -e /usr/local/home/admispconfig ] || [ -e /usr/local/lxlabs/kloxo ] ; then
    echo "It appears that a control panel is already installed on your server; This installer"
    echo "is designed to install and configure Sentora on a clean OS installation only."
    echo -e "\nPlease re-install your OS before attempting to install using this script."
    exit 1
fi

# Check for some common packages that we know will affect the installation/operating of Sentora.
if [[ "$OS" = "CentOs" ]] ; then
    PACKAGE_INSTALLER="yum -y -q install"
    PACKAGE_REMOVER="yum -y -q remove"

    inst() {
       rpm -q "$1" &> /dev/null
    }

    if  [[ "$VER" = "7" ]]; then
        DB_PCKG="mariadb" &&  echo "DB server will be mariaDB"
    else 
        DB_PCKG="mysql" && echo "DB server will be mySQL"
    fi
    HTTP_PCKG="httpd"
    PHP_PCKG="php"
    BIND_PCKG="bind"
elif [[ "$OS" = "Ubuntu" ]]; then
    PACKAGE_INSTALLER="apt-get -yqq install"
    PACKAGE_REMOVER="apt-get -yqq remove"

    inst() {
       dpkg -l "$1" 2> /dev/null | grep '^ii' &> /dev/null
    }
    
    DB_PCKG="mysql-server"
    HTTP_PCKG="apache2"
    PHP_PCKG="apache2-mod-php5"
    BIND_PCKG="bind9"
fi
  
# Note : Postfix is installed by default on centos netinstall / minimum install.
# The installer seems to work fine even if Postfix is already installed.
# -> The check of postfix is removed, but this comment remains to remember
for package in "$DB_PCKG" "dovecot-mysql" "$HTTP_PCKG" "$PHP_PCKG" "proftpd" "$BIND_PCKG" ; do
    if (inst "$package"); then
        echo "It appears that package $package is already installed. This installer"
        echo "is designed to install and configure Sentora on a clean OS installation only!"
        echo -e "\nPlease re-install your OS before attempting to install using this script."
        exit 1
    fi
done

# *************************************************
#--- Prepare or query informations required to install

# Update repositories and Install wget and util used to grab server IP
echo -e "\n-- Installing wget and dns utils required to manage inputs"
if [[ "$OS" = "CentOs" ]]; then
    yum -y update
    $PACKAGE_INSTALLER bind-utils
elif [[ "$OS" = "Ubuntu" ]]; then
    apt-get -yqq update   #ensure we can install
    $PACKAGE_INSTALLER dnsutils
fi
$PACKAGE_INSTALLER wget 

extern_ip="$(wget -qO- http://api.sentora.org/ip.txt)"
#local_ip=$(ifconfig eth0 | sed -En 's|.*inet [^0-9]*(([0-9]*\.){3}[0-9]*).*$|\1|p')
local_ip=$(ip addr show | awk '$1 == "inet" && $3 == "brd" { sub (/\/.*/,""); print $2 }')

# Enable parameters to be entered on commandline, required for vagrant install
#   -d <panel-domain>
#   -i <server-ip> (or -i local or -i public, see below)
#   -t <timezone-string>
# like :
#   sentora_install.sh -t Europe/Paris -d panel.domain.tld -i xxx.xxx.xxx.xxx
# notes:
#   -d and -i must be both present or both absent
#   -i local  force use of local detected ip
#   -i public  force use of public detected ip
#   if -t is used without -d/-i, timezone is set from value given and not asked to user
#   if -t absent and -d/-i are present, timezone is not set at all

while getopts d:i:t: opt; do
  case $opt in
  d)
      PANEL_FQDN=$OPTARG
      INSTALL="auto"
      ;;
  i)
      PUBLIC_IP=$OPTARG
      if [[ "$PUBLIC_IP" == "local" ]] ; then
          PUBLIC_IP=$local_ip
      elif [[ "$PUBLIC_IP" == "public" ]] ; then
          PUBLIC_IP=$extern_ip
      fi
      ;;
  t)
      echo "$OPTARG" > /etc/timezone
      tz=$(cat /etc/timezone)
      ;;
  esac
done
if [[ ("$PANEL_FQDN" != "" && "$PUBLIC_IP" == "") || 
      ("$PANEL_FQDN" == "" && "$PUBLIC_IP" != "") ]] ; then
    echo "-d and -i must be both present or both absent."
    exit 2
fi


if [[ "$tz" == "" && "$PANEL_FQDN" == "" ]] ; then
    # Propose selection list for the time zone
    echo "Preparing to select timezone, please wait a few seconds..."
    $PACKAGE_INSTALLER tzdata
    # setup server timezone
    if [[ "$OS" = "CentOs" ]]; then
        # make tzselect to save TZ in /etc/timezone
        echo "echo \$TZ > /etc/timezone" >> /usr/bin/tzselect
        tzselect
        tz=$(cat /etc/timezone)
    elif [[ "$OS" = "Ubuntu" ]]; then
        dpkg-reconfigure tzdata
        tz=$(cat /etc/timezone)
    fi
fi
# clear timezone information to focus user on important notice
clear

# Installer parameters
if [[ "$PANEL_FQDN" == "" ]] ; then
    echo -e "\n\e[1;33m=== Informations required to build your server ===\e[0m"
    echo 'The installer requires 2 pieces of information:'
    echo ' 1) the sub-domain that you want to use to access Sentora panel,'
    echo '   - do not use your main domain (like domain.com)'
    echo '   - use a sub-domain, e.g panel.domain.com'
    echo '   - or use the server hostname, e.g server1.domain.com'
    echo '   - DNS must already be configured and pointing to the server IP'
    echo '       for this sub-domain'
    echo ' 2) The public IP of the server.'
    echo ''

    PANEL_FQDN="$(/bin/hostname)"
    PUBLIC_IP=$extern_ip
    while true; do
        echo ""
        read -e -p "Enter the sub-domain you want to access Sentora panel: " -i "$PANEL_FQDN" PANEL_FQDN

        if [[ "$PUBLIC_IP" != "$local_ip" ]]; then
          echo -e "\nThe public IP of the server is $PUBLIC_IP. Its local IP is $local_ip"
          echo "  For a production server, the PUBLIC IP must be used."
        fi  
        read -e -p "Enter (or confirm) the public IP for this server: " -i "$PUBLIC_IP" PUBLIC_IP
        echo ""

        # Checks if the panel domain is a subdomain
        sub=$(echo "$PANEL_FQDN" | sed -n 's|\(.*\)\..*\..*|\1|p')
        if [[ "$sub" == "" ]]; then
            echo -e "\e[1;31mWARNING: $PANEL_FQDN is not a subdomain!\e[0m"
            confirm="true"
        fi

        # Checks if the panel domain is already assigned in DNS
        dns_panel_ip=$(host "$PANEL_FQDN"|grep address|cut -d" " -f4)
        if [[ "$dns_panel_ip" == "" ]]; then
            echo -e "\e[1;31mWARNING: $PANEL_FQDN is not defined in your DNS!\e[0m"
            echo "  You must add records in your DNS manager (and then wait until propagation is done)."
            echo "  For more information, read the Sentora documentation:"
            echo "   - http://docs.sentora.org/index.php?node=7 (Installing Sentora)"
            echo "   - http://docs.sentora.org/index.php?node=51 (Installer questions)"
            echo "  If this is a production installation, set the DNS up as soon as possible."
            confirm="true"
        else
            echo -e "\e[1;32mOK\e[0m: DNS successfully resolves $PANEL_FQDN to $dns_panel_ip"

            # Check if panel domain matches public IP
            if [[ "$dns_panel_ip" != "$PUBLIC_IP" ]]; then
                echo -e -n "\e[1;31mWARNING: $PANEL_FQDN DNS record does not point to $PUBLIC_IP!\e[0m"
                echo "  Sentora will not be reachable from http://$PANEL_FQDN"
                confirm="true"
            fi
        fi

        if [[ "$PUBLIC_IP" != "$extern_ip" && "$PUBLIC_IP" != "$local_ip" ]]; then
            echo -e -n "\e[1;31mWARNING: $PUBLIC_IP does not match detected IP !\e[0m"
            echo "  Sentora will not work with this IP..."
                confirm="true"
        fi
      
        echo ""
        # if any warning, ask confirmation to continue or propose to change
        if [[ "$confirm" != "" ]] ; then
            echo "There are some warnings..."
            echo "Are you really sure that you want to setup Sentora with these parameters?"
            read -e -p "(y):Accept and install, (n):Change domain or IP, (q):Quit installer? " yn
            case $yn in
                [Yy]* ) break;;
                [Nn]* ) continue;;
                [Qq]* ) exit;;
            esac
        else
            read -e -p "All is ok. Do you want to install Sentora now (y/n)? " yn
            case $yn in
                [Yy]* ) break;;
                [Nn]* ) exit;;
            esac
        fi
    done
fi

# ***************************************
# Installation really starts here

#--- Set custom logging methods so we create a log file in the current working directory.
logfile=$(date +%Y-%m-%d_%H.%M.%S_sentora_install.log)
touch "$logfile"
exec > >(tee "$logfile")
exec 2>&1

echo "Installer version $SENTORA_INSTALLER_VERSION"
echo "Sentora core version $SENTORA_CORE_VERSION"
echo "Sentora preconf version $SENTORA_PRECONF_VERSION"
echo ""
echo "Installing Sentora $SENTORA_CORE_VERSION at http://$PANEL_FQDN and ip $PUBLIC_IP"
echo "on server under: $OS  $VER  $ARCH"
uname -a

# Function to disable a file by appending its name with _disabled
disable_file() {
    mv "$1" "$1_disabled_by_sentora" &> /dev/null
}

#--- AppArmor must be disabled to avoid problems
if [[ "$OS" = "Ubuntu" ]]; then
    [ -f /etc/init.d/apparmor ]
    if [ $? = "0" ]; then
        echo -e "\n-- Disabling and removing AppArmor, please wait..."
        /etc/init.d/apparmor stop &> /dev/null
        update-rc.d -f apparmor remove &> /dev/null
        apt-get remove -y --purge apparmor* &> /dev/null
        disable_file /etc/init.d/apparmor &> /dev/null
        echo -e "AppArmor has been removed."
    fi
fi

#--- Adapt repositories and packages sources
echo -e "\n-- Updating repositories and packages sources"
if [[ "$OS" = "CentOs" ]]; then
    #EPEL Repo Install
    EPEL_BASE_URL="http://dl.fedoraproject.org/pub/epel/$VER/$ARCH";
    if  [[ "$VER" = "7" ]]; then
        EPEL_FILE=$(wget -q -O- "$EPEL_BASE_URL/e/" | grep -oP '(?<=href=")epel-release.*(?=">)')
        wget "$EPEL_BASE_URL/e/$EPEL_FILE"
    else 
        EPEL_FILE=$(wget -q -O- "$EPEL_BASE_URL/" | grep -oP '(?<=href=")epel-release.*(?=">)')
        wget "$EPEL_BASE_URL/$EPEL_FILE"
    fi
    $PACKAGE_INSTALLER -y install epel-release*.rpm
    rm "$EPEL_FILE"
    
    #To fix some problems of compatibility use of mirror centos.org to all users
    #Replace all mirrors by base repos to avoid any problems.
    sed -i 's|mirrorlist=http://mirrorlist.centos.org|#mirrorlist=http://mirrorlist.centos.org|' "/etc/yum.repos.d/CentOS-Base.repo"
    sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://mirror.centos.org|' "/etc/yum.repos.d/CentOS-Base.repo"

    #check if the machine and on openvz
    if [ -f "/etc/yum.repos.d/vz.repo" ]; then
        sed -i "s|mirrorlist=http://vzdownload.swsoft.com/download/mirrors/centos-$VER|baseurl=http://vzdownload.swsoft.com/ez/packages/centos/$VER/$ARCH/os/|" "/etc/yum.repos.d/vz.repo"
        sed -i "s|mirrorlist=http://vzdownload.swsoft.com/download/mirrors/updates-released-ce$VER|baseurl=http://vzdownload.swsoft.com/ez/packages/centos/$VER/$ARCH/updates/|" "/etc/yum.repos.d/vz.repo"
    fi

    #disable deposits that could result in installation errors
    disablerepo() {
        if [ -f "/etc/yum.repos.d/$1.repo" ]; then
            sed -i 's/enabled=1/enabled=0/g' "/etc/yum.repos.d/$1.repo"
        fi
    }
    disablerepo "elrepo"
    disablerepo "epel-testing"
    disablerepo "remi"
    disablerepo "rpmforge"
    disablerepo "rpmfusion-free-updates"
    disablerepo "rpmfusion-free-updates-testing"

    # We need to disable SELinux...
    sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
    setenforce 0

    # Stop conflicting services and iptables to ensure all services will work
    service sendmail stop
    chkconfig sendmail off

    # disable firewall
    if  [[ "$VER" = "7" ]]; then
        FIREWALL_SERVICE="firewalld"
    else 
        FIREWALL_SERVICE="iptables"
    fi
    service "$FIREWALL_SERVICE" save
    service "$FIREWALL_SERVICE" stop
    chkconfig "$FIREWALL_SERVICE" off

    # Removal of conflicting packages prior to Sentora installation.
    if (inst bind-chroot) ; then 
        $PACKAGE_REMOVER bind-chroot
    fi
    if (inst qpid-cpp-client) ; then
        $PACKAGE_REMOVER qpid-cpp-client
    fi

elif [[ "$OS" = "Ubuntu" ]]; then 
    # Update the enabled Aptitude repositories
    echo -ne "\nUpdating Aptitude Repos: " >/dev/tty

    mkdir -p "/etc/apt/sources.list.d.save"
    cp -R "/etc/apt/sources.list.d/*" "/etc/apt/sources.list.d.save" &> /dev/null
    rm -rf "/etc/apt/sources.list/*"
    cp "/etc/apt/sources.list" "/etc/apt/sources.list.save"

    if [ "$VER" = "14.04" ]; then
        cat > /etc/apt/sources.list <<EOF
#Depots main restricted
deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc)-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc)-updates main restricted universe multiverse
EOF
    else
        cat > /etc/apt/sources.list <<EOF
#Depots main restricted
deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc) main restricted
deb http://security.ubuntu.com/ubuntu $(lsb_release -sc)-security main restricted
deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc)-updates main restricted
 
deb-src http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc) main restricted
deb-src http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc)-updates main restricted
deb-src http://security.ubuntu.com/ubuntu $(lsb_release -sc)-security main restricted

#Depots Universe Multiverse 
deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc) universe multiverse
deb http://security.ubuntu.com/ubuntu $(lsb_release -sc)-security universe multiverse
deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc)-updates universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc) universe multiverse
deb-src http://security.ubuntu.com/ubuntu $(lsb_release -sc)-security universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc)-updates universe multiverse
EOF
    fi
fi

#--- List all already installed packages (may help to debug)
echo -e "\n-- Listing of all packages installed:"
if [[ "$OS" = "CentOs" ]]; then
    rpm -qa | sort
elif [[ "$OS" = "Ubuntu" ]]; then
    dpkg --get-selections
fi

#--- Ensures that all packages are up to date
echo -e "\n-- Updating+upgrading system, it may take some time..."
if [[ "$OS" = "CentOs" ]]; then
    yum -y update
    yum -y upgrade
elif [[ "$OS" = "Ubuntu" ]]; then
    apt-get -yqq update
    apt-get -yqq upgrade
fi

#--- Install utility packages required by the installer and/or Sentora.
echo -e "\n-- Downloading and installing required tools..."
if [[ "$OS" = "CentOs" ]]; then
    $PACKAGE_INSTALLER sudo vim make zip unzip chkconfig bash-completion
    $PACKAGE_INSTALLER ld-linux.so.2 libbz2.so.1 libdb-4.7.so libgd.so.2 
    $PACKAGE_INSTALLER curl curl-devel perl-libwww-perl libxml2 libxml2-devel zip bzip2-devel gcc gcc-c++ at make
    $PACKAGE_INSTALLER redhat-lsb-core
elif [[ "$OS" = "Ubuntu" ]]; then
    $PACKAGE_INSTALLER sudo vim make zip unzip debconf-utils at build-essential bash-completion
fi

#--- Download Sentora archive from GitHub
echo -e "\n-- Downloading Sentora, Please wait, this may take several minutes, the installer will continue after this is complete!"
# Get latest sentora
while true; do
    wget -nv -O sentora_core.zip https://github.com/sentora/sentora-core/archive/$SENTORA_CORE_VERSION.zip
    if [[ -f sentora_core.zip ]]; then
        break;
    else
        echo "Failed to download sentora core from Github"
        echo "If you quit now, you can run again the installer later."
        read -e -p "Press r to retry or q to quit the installer? " resp
        case $resp in
            [Rr]* ) continue;;
            [Qq]* ) exit 3;;
        esac
    fi 
done
mkdir -p $PANEL_PATH
chown -R root:root $PANEL_PATH
unzip -oq sentora_core.zip -d $PANEL_PATH
mv "$PANEL_PATH/sentora-core-$SENTORA_CORE_VERSION" "$PANEL_PATH/panel"
rm sentora_core.zip
rm "$PANEL_PATH/panel/LICENSE.md" "$PANEL_PATH/panel/README.md" "$PANEL_PATH/panel/.gitignore"
rm -rf "$PANEL_PATH/_delete_me" "$PANEL_PATH/.gitignore"

# Temp patch
wget -O hotfix_controller.ext.php "https://raw.githubusercontent.com/sentora/sentora-core/b176df0e29e52e14d778ca6cb47c5765cf3c4953/modules/ftp_management/code/controller.ext.php"
mv /etc/sentora/panel/modules/ftp_management/code/controller.ext.php controller.ext.php_backup
mv hotfix_controller.ext.php /etc/sentora/panel/modules/ftp_management/code/controller.ext.php
chown root:root /etc/sentora/panel/modules/ftp_management/code/controller.ext.php
chmod 777 /etc/sentora/panel/modules/ftp_management/code/controller.ext.php


#--- Set-up Sentora directories and configure permissions
PANEL_CONF="$PANEL_PATH/configs"

mkdir -p $PANEL_CONF
mkdir -p $PANEL_PATH/docs
chmod -R 777 $PANEL_PATH

mkdir -p $PANEL_DATA/backups
chmod -R 777 $PANEL_DATA/

# Links for compatibility with zpanel access
ln -s $PANEL_PATH /etc/zpanel
ln -s $PANEL_DATA /var/zpanel

#--- Prepare Sentora executables
chmod +x $PANEL_PATH/panel/bin/zppy 
ln -s $PANEL_PATH/panel/bin/zppy /usr/bin/zppy

chmod +x $PANEL_PATH/panel/bin/setso
ln -s $PANEL_PATH/panel/bin/setso /usr/bin/setso

chmod +x $PANEL_PATH/panel/bin/setzadmin
ln -s $PANEL_PATH/panel/bin/setzadmin /usr/bin/setzadmin

#--- Install preconfig
while true; do
    wget -nv -O sentora_preconfig.zip https://github.com/sentora/sentora-installers/archive/$SENTORA_PRECONF_VERSION.zip
    if [[ -f sentora_preconfig.zip ]]; then
        break;
    else
        echo "Failed to download sentora preconfig from Github"
        echo "If you quit now, you can run again the installer later."
        read -e -p "Press r to retry or q to quit the installer? " resp
        case $resp in
            [Rr]* ) continue;;
            [Qq]* ) exit 3;;
        esac
    fi
done

unzip -oq sentora_preconfig.zip
cp -rf sentora-installers-$SENTORA_PRECONF_VERSION/preconf/* $PANEL_CONF
rm sentora_preconfig*
rm -rf sentora-*

#--- Prepare zsudo
cc -o $PANEL_PATH/panel/bin/zsudo $PANEL_CONF/bin/zsudo.c
sudo chown root $PANEL_PATH/panel/bin/zsudo
chmod +s $PANEL_PATH/panel/bin/zsudo

#--- Resolv.conf protect
chattr +i /etc/resolv.conf

#--- Prepare hostname
old_hostname=$(cat /etc/hostname)
# In file hostname
echo "$PANEL_FQDN" > /etc/hostname

# In file hosts
sed -i "/127.0.1.1[\t ]*$old_hostname/d" /etc/hosts
sed -i "s|$old_hostname|$PANEL_FQDN|" /etc/hosts

# For current session
hostname "$PANEL_FQDN"

# In network file
if [[ "$OS" = "CentOs" && "$VER" = "6" ]]; then
    sed -i "s|^\(HOSTNAME=\).*\$|HOSTNAME=$PANEL_FQDN|" /etc/sysconfig/network
    /etc/init.d/network restart
fi

#--- Some functions used many times below
# Random password generator function
passwordgen() {
    l=$1
    [ "$l" == "" ] && l=16
    tr -dc A-Za-z0-9 < /dev/urandom | head -c ${l} | xargs
}

# Add first parameter in hosts file as local IP domain
add_local_domain() {
    if ! grep -q "127.0.0.1 $1" /etc/hosts; then
        echo "127.0.0.1 $1" >> /etc/hosts;
    fi
}

#-----------------------------------------------------------
# Install all softwares and dependencies required by Sentora.

if [[ "$OS" = "Ubuntu" ]]; then
    # Disable the DPKG prompts before we run the software install to enable fully automated install.
    export DEBIAN_FRONTEND=noninteractive
fi

#--- MySQL
echo -e "\n-- Installing MySQL"
mysqlpassword=$(passwordgen);
$PACKAGE_INSTALLER "$DB_PCKG"
if [[ "$OS" = "CentOs" ]]; then
    $PACKAGE_INSTALLER "DB_PCKG-devel" "$DB_PCKG-server" 
    MY_CNF_PATH="/etc/my.cnf"
    if  [[ "$VER" = "7" ]]; then
        DB_SERVICE="mariadb"
    else 
        DB_SERVICE="mysqld"
    fi
elif [[ "$OS" = "Ubuntu" ]]; then
    $PACKAGE_INSTALLER bsdutils libsasl2-modules-sql libsasl2-modules
    if [ "$VER" = "12.04" ]; then
        $PACKAGE_INSTALLER db4.7-util
    fi
    MY_CNF_PATH="/etc/mysql/my.cnf"
    DB_SERVICE="mysql"
fi
service $DB_SERVICE start

# setup mysql root password
mysqladmin -u root password "$mysqlpassword"

# small cleaning of mysql access
mysql -u root -p"$mysqlpassword" -e "DELETE FROM mysql.user WHERE User='root' AND Host != 'localhost'";
mysql -u root -p"$mysqlpassword" -e "DELETE FROM mysql.user WHERE User=''";
mysql -u root -p"$mysqlpassword" -e "FLUSH PRIVILEGES";

# remove test table that is no longer used
mysql -u root -p"$mysqlpassword" -e "DROP DATABASE IF EXISTS test";

# secure SELECT "hacker-code" INTO OUTFILE 
sed -i "s|\[mysqld\]|&\nsecure-file-priv = /var/tmp|" $MY_CNF_PATH

# setup sentora access and core database
sed -i "s|YOUR_ROOT_MYSQL_PASSWORD|$mysqlpassword|" $PANEL_PATH/panel/cnf/db.php
mysql -u root -p"$mysqlpassword" < $PANEL_CONF/sentora-install/sql/sentora_core.sql

# Register mysql/mariadb service for autostart
if [[ "$OS" = "CentOs" ]]; then
    if [[ "$VER" == "7" ]]; then
        systemctl enable "$DB_SERVICE".service
    else
        chkconfig "$DB_SERVICE" on
    fi
fi


#--- Postfix
echo -e "\n-- Installing Postfix"
if [[ "$OS" = "CentOs" ]]; then
    $PACKAGE_INSTALLER postfix postfix-perl-scripts
    USR_LIB_PATH="/usr/libexec"
elif [[ "$OS" = "Ubuntu" ]]; then
    $PACKAGE_INSTALLER postfix postfix-mysql
    USR_LIB_PATH="/usr/lib"
fi

postfixpassword=$(passwordgen);
mysql -u root -p"$mysqlpassword" < $PANEL_CONF/sentora-install/sql/sentora_postfix.sql
mysql -u root -p"$mysqlpassword" -e "UPDATE mysql.user SET Password=PASSWORD('$postfixpassword') WHERE User='postfix' AND Host='localhost';";

mkdir $PANEL_DATA/vmail
useradd -r -g mail -d $PANEL_DATA/vmail -s /sbin/nologin -c "Virtual maildir" vmail
chown -R vmail:mail $PANEL_DATA/vmail
chmod -R 770 $PANEL_DATA/vmail

mkdir -p /var/spool/vacation
useradd -r -d /var/spool/vacation -s /sbin/nologin -c "Virtual vacation" vacation
chown -R vacation:vacation /var/spool/vacation
chmod -R 770 /var/spool/vacation

#Removed optionnal transport that was leaved empty, until it is fully handled.
#ln -s $PANEL_CONF/postfix/transport /etc/postfix/transport
#postmap /etc/postfix/transport

add_local_domain "$PANEL_FQDN"
add_local_domain "autoreply.$PANEL_FQDN"

rm -rf /etc/postfix/main.cf /etc/postfix/master.cf
ln -s $PANEL_CONF/postfix/master.cf /etc/postfix/master.cf
ln -s $PANEL_CONF/postfix/main.cf /etc/postfix/main.cf
ln -s $PANEL_CONF/postfix/vacation.pl /var/spool/vacation/vacation.pl

sed -i "s|!POSTFIX_PASSWORD!|$postfixpassword|" $PANEL_CONF/postfix/*.cf
sed -i "s|!POSTFIX_PASSWORD!|$postfixpassword|" $PANEL_CONF/postfix/vacation.conf
sed -i "s|!PANEL_FQDN!|$PANEL_FQDN|" $PANEL_CONF/postfix/main.cf

sed -i "s|!USR_LIB!|$USR_LIB_PATH|" $PANEL_CONF/postfix/master.cf
sed -i "s|!USR_LIB!|$USR_LIB_PATH|" $PANEL_CONF/postfix/main.cf
sed -i "s|!SERVER_IP!|$PUBLIC_IP|" $PANEL_CONF/postfix/main.cf 

VMAIL_UID=$(id -u vmail)
MAIL_GID=$(sed -nr "s/^mail:x:([0-9]+):.*/\1/p" /etc/group)
sed -i "s|!POS_UID!|$VMAIL_UID|" $PANEL_CONF/postfix/main.cf
sed -i "s|!POS_GID!|$MAIL_GID|" $PANEL_CONF/postfix/main.cf

# remove unusued directives that issue warnings
sed -i '/virtual_mailbox_limit_maps/d' $PANEL_CONF/postfix/main.cf
sed -i '/smtpd_bind_address/d' $PANEL_CONF/postfix/master.cf

# Register postfix service for autostart (it is automatically started)
if [[ "$OS" = "CentOs" ]]; then
    if [[ "$VER" == "7" ]]; then
        systemctl enable postfix.service
        # systemctl start postfix.service
    else
        chkconfig postfix on
        # /etc/init.d/postfix start
    fi
fi


#--- Dovecot (includes Sieve)
echo -e "\n-- Installing Dovecot"
if [[ "$OS" = "CentOs" ]]; then
    $PACKAGE_INSTALLER dovecot dovecot-mysql dovecot-pigeonhole 
    sed -i "s|#first_valid_uid = ?|first_valid_uid = $VMAIL_UID\n#last_valid_uid = $VMAIL_UID\n\nfirst_valid_gid = $MAIL_GID\n#last_valid_gid = $MAIL_GID|" $PANEL_CONF/dovecot2/dovecot.conf
elif [[ "$OS" = "Ubuntu" ]]; then
    $PACKAGE_INSTALLER dovecot-mysql dovecot-imapd dovecot-pop3d dovecot-common dovecot-managesieved dovecot-lmtpd 
    sed -i "s|#first_valid_uid = ?|first_valid_uid = $VMAIL_UID\nlast_valid_uid = $VMAIL_UID\n\nfirst_valid_gid = $MAIL_GID\nlast_valid_gid = $MAIL_GID|" $PANEL_CONF/dovecot2/dovecot.conf
fi

mkdir -p $PANEL_DATA/sieve
chown -R vmail:mail $PANEL_DATA/sieve
mkdir -p /var/lib/dovecot/sieve/
touch /var/lib/dovecot/sieve/default.sieve
ln -s $PANEL_CONF/dovecot2/globalfilter.sieve $PANEL_DATA/sieve/globalfilter.sieve

rm -rf /etc/dovecot/dovecot.conf
ln -s $PANEL_CONF/dovecot2/dovecot.conf /etc/dovecot/dovecot.conf
sed -i "s|!POSTMASTER_EMAIL!|postmaster@$PANEL_FQDN|" $PANEL_CONF/dovecot2/dovecot.conf
sed -i "s|!POSTFIX_PASSWORD!|$postfixpassword|" $PANEL_CONF/dovecot2/dovecot-dict-quota.conf
sed -i "s|!POSTFIX_PASSWORD!|$postfixpassword|" $PANEL_CONF/dovecot2/dovecot-mysql.conf
sed -i "s|!DOV_UID!|$VMAIL_UID|" $PANEL_CONF/dovecot2/dovecot-mysql.conf
sed -i "s|!DOV_GID!|$MAIL_GID|" $PANEL_CONF/dovecot2/dovecot-mysql.conf

touch /var/log/dovecot.log /var/log/dovecot-info.log /var/log/dovecot-debug.log
chown vmail:mail /var/log/dovecot*
chmod 660 /var/log/dovecot*

# Register dovecot service for autostart and start it
if [[ "$OS" = "CentOs" ]]; then
    if [[ "$VER" == "7" ]]; then
        systemctl enable dovecot.service
        systemctl start dovecot.service
    else
        chkconfig dovecot on
        /etc/init.d/dovecot start
    fi
fi

#--- Apache server
echo -e "\n-- Installing and configuring Apache"
$PACKAGE_INSTALLER "$HTTP_PCKG"
if [[ "$OS" = "CentOs" ]]; then
    $PACKAGE_INSTALLER "$HTTP_PCKG-devel"
    HTTP_CONF_PATH="/etc/httpd/conf/httpd.conf"
    HTTP_VARS_PATH="/etc/sysconfig/httpd"
    HTTP_SERVICE="httpd"
    HTTP_USER="apache"
    HTTP_GROUP="apache"
    if [[ "$VER" = "7" ]]; then
        # Disable extra modules in centos 7
        disable_file /etc/httpd/conf.modules.d/01-cgi.conf
        disable_file /etc/httpd/conf.modules.d/00-lua.conf
        disable_file /etc/httpd/conf.modules.d/00-dav.conf
    else
        disable_file /etc/httpd/conf.d/welcome.conf
        disable_file /etc/httpd/conf.d/webalizer.conf
        # Disable more extra modules in centos 6.x /etc/httpd/httpd.conf dav/ldap/cgi/proxy_ajp
	    sed -i "s|LoadModule suexec_module modules|#LoadModule suexec_module modules|" "$HTTP_CONF_PATH"
	    sed -i "s|LoadModule cgi_module modules|#LoadModule cgi_module modules|" "$HTTP_CONF_PATH"
	    sed -i "s|LoadModule dav_module modules|#LoadModule dav_module modules|" "$HTTP_CONF_PATH"
	    sed -i "s|LoadModule dav_fs_module modules|#LoadModule dav_fs_module modules|" "$HTTP_CONF_PATH"
	    sed -i "s|LoadModule proxy_ajp_module modules|#LoadModule proxy_ajp_module modules|" "$HTTP_CONF_PATH"
    
    fi     
elif [[ "$OS" = "Ubuntu" ]]; then
    $PACKAGE_INSTALLER libapache2-mod-bw
    HTTP_CONF_PATH="/etc/apache2/apache2.conf"
    HTTP_VARS_PATH="/etc/apache2/envvars"
    HTTP_SERVICE="apache2"
    HTTP_USER="www-data"
    HTTP_GROUP="www-data"
    a2enmod rewrite
fi

if ! grep -q "Include $PANEL_CONF/apache/httpd.conf" "$HTTP_CONF_PATH"; then
    echo "Include $PANEL_CONF/apache/httpd.conf" >> "$HTTP_CONF_PATH";
fi
add_local_domain "$(hostname)"

if ! grep -q "apache ALL=NOPASSWD: $PANEL_PATH/panel/bin/zsudo" /etc/sudoers; then
    echo "apache ALL=NOPASSWD: $PANEL_PATH/panel/bin/zsudo" >> /etc/sudoers;
fi

# Create root directory for public HTTP docs
mkdir -p $PANEL_DATA/hostdata/zadmin/public_html
chown -R $HTTP_USER:$HTTP_GROUP $PANEL_DATA/hostdata/
chmod -R 770 $PANEL_DATA/hostdata/

mysql -u root -p"$mysqlpassword" -e "UPDATE sentora_core.x_settings SET so_value_tx='$HTTP_SERVICE' WHERE so_name_vc='httpd_exe'"
mysql -u root -p"$mysqlpassword" -e "UPDATE sentora_core.x_settings SET so_value_tx='$HTTP_SERVICE' WHERE so_name_vc='apache_sn'"

#Set keepalive on (default is off)
sed -i "s|KeepAlive Off|KeepAlive On|" "$HTTP_CONF_PATH"

# Permissions fix for Apache and ProFTPD (to enable them to play nicely together!)
if ! grep -q "umask 002" "$HTTP_VARS_PATH"; then
    echo "umask 002" >> "$HTTP_VARS_PATH";
fi

# remove default virtual site to ensure Sentora is the default vhost
if [[ "$OS" = "CentOs" ]]; then
    sed -i "s|DocumentRoot \"/var/www/html\"|DocumentRoot $PANEL_PATH/panel|" "$HTTP_CONF_PATH"
elif [[ "$OS" = "Ubuntu" ]]; then
    # disable completely sites-enabled/000-default.conf
    if [[ "$VER" = "14.04" ]]; then 
        sed -i "s|IncludeOptional sites-enabled|#&|" "$HTTP_CONF_PATH"
    else
        sed -i "s|Include sites-enabled|#&|" "$HTTP_CONF_PATH"
    fi
fi

# Comment "NameVirtualHost" and Listen directives that are handled in vhosts file
if [[ "$OS" = "CentOs" ]]; then
    sed -i "s|^\(NameVirtualHost .*$\)|#\1\n# NameVirtualHost is now handled in Sentora vhosts file|" "$HTTP_CONF_PATH"
    sed -i 's|^\(Listen .*$\)|#\1\n# Listen is now handled in Sentora vhosts file|' "$HTTP_CONF_PATH"
elif [[ "$OS" = "Ubuntu" ]]; then
    sed -i "s|\(Include ports.conf\)|#\1\n# Ports are now handled in Sentora vhosts file|" "$HTTP_CONF_PATH"
    disable_file /etc/apache2/ports.conf
fi

# adjustments for apache 2.4
if [[ ("$OS" = "CentOs" && "$VER" = "7") || 
      ("$OS" = "Ubuntu" && "$VER" = "14.04") ]] ; then 
    # Order deny,allow / Deny from all   ->  Require all denied
    sed -i 's|Order deny,allow|Require all denied|I'  $PANEL_CONF/apache/httpd.conf
    sed -i '/Deny from all/d' $PANEL_CONF/apache/httpd.conf

    # Order allow,deny / Allow from all  ->  Require all granted
    sed -i 's|Order allow,deny|Require all granted|I' $PANEL_CONF/apache/httpd-vhosts.conf
    sed -i '/Allow from all/d' $PANEL_CONF/apache/httpd-vhosts.conf

    sed -i 's|Order allow,deny|Require all granted|I'  $PANEL_PATH/panel/modules/apache_admin/hooks/OnDaemonRun.hook.php
    sed -i '/Allow from all/d' $PANEL_PATH/panel/modules/apache_admin/hooks/OnDaemonRun.hook.php

    # Remove NameVirtualHost that is now without effect and generate warning
    sed -i '/NameVirtualHost/{N;d}' $PANEL_CONF/apache/httpd-vhosts.conf
    sed -i '/# NameVirtualHost is/ {N;N;N;N;N;d}' $PANEL_PATH/panel/modules/apache_admin/hooks/OnDaemonRun.hook.php

    # Options must have ALL (or none) +/- prefix, disable listing directories
    sed -i 's| FollowSymLinks [-]Indexes| +FollowSymLinks -Indexes|' $PANEL_PATH/panel/modules/apache_admin/hooks/OnDaemonRun.hook.php
fi


#--- PHP
echo -e "\n-- Installing and configuring PHP"
if [[ "$OS" = "CentOs" ]]; then
    $PACKAGE_INSTALLER php php-devel php-gd php-mbstring php-intl php-mysql php-xml php-xmlrpc
    $PACKAGE_INSTALLER php-mcrypt php-imap  #Epel packages
    PHP_INI_PATH="/etc/php.ini"
    PHP_EXT_PATH="/etc/php.d"
elif [[ "$OS" = "Ubuntu" ]]; then
    $PACKAGE_INSTALLER libapache2-mod-php5 php5-common php5-cli php5-mysql php5-gd php5-mcrypt php5-curl php-pear php5-imap php5-xmlrpc php5-xsl php5-intl
    if [ "$VER" = "14.04" ]; then
        php5enmod mcrypt  # missing in the package for Ubuntu 14!
    else
        $PACKAGE_INSTALLER php5-suhosin
    fi
    PHP_INI_PATH="/etc/php5/apache2/php.ini"
fi
# Setup php upload dir
mkdir -p $PANEL_DATA/temp
chmod 1777 $PANEL_DATA/temp/
chown -R $HTTP_USER:$HTTP_GROUP $PANEL_DATA/temp/

# Setup php session save directory
mkdir "$PANEL_DATA/sessions"
chown $HTTP_USER:$HTTP_GROUP "$PANEL_DATA/sessions"
chmod 733 "$PANEL_DATA/sessions"
chmod +t "$PANEL_DATA/sessions"

if [[ "$OS" = "CentOs" ]]; then
    # Remove session & php values from apache that cause override
    sed -i "/php_value/d" /etc/httpd/conf.d/php.conf
elif [[ "$OS" = "Ubuntu" ]]; then
    sed -i "s|;session.save_path = \"/var/lib/php5\"|session.save_path = \"$PANEL_DATA/sessions\"|" $PHP_INI_PATH
fi
sed -i "/php_value/d" $PHP_INI_PATH
echo "session.save_path = $PANEL_DATA/sessions;">> $PHP_INI_PATH

# setup timezone and upload temp dir
sed -i "s|;date.timezone =|date.timezone = $tz|" $PHP_INI_PATH
sed -i "s|;upload_tmp_dir =|upload_tmp_dir = $PANEL_DATA/temp/|" $PHP_INI_PATH

# Disable php signature in headers to hide it from hackers
sed -i "s|expose_php = On|expose_php = Off|" $PHP_INI_PATH

# Build suhosin for PHP 5.x which is required by Sentora. 
if [[ "$OS" = "CentOs" || ( "$OS" = "Ubuntu" && "$VER" = "14.04") ]] ; then
    echo -e "\n# Building suhosin"
    if [[ "$OS" = "Ubuntu" ]]; then
        $PACKAGE_INSTALLER php5-dev
    fi
    SUHOSIN_VERSION="0.9.37.1"
    wget -nv -O suhosin.zip https://github.com/stefanesser/suhosin/archive/$SUHOSIN_VERSION.zip
    unzip -q suhosin.zip
    rm -f suhosin.zip
    cd suhosin-$SUHOSIN_VERSION
    phpize &> /dev/null
    ./configure &> /dev/null
    make &> /dev/null
    make install 
    cd ..
    rm -rf suhosin-$SUHOSIN_VERSION
    if [[ "$OS" = "CentOs" ]]; then 
        echo 'extension=suhosin.so' > $PHP_EXT_PATH/suhosin.ini
    elif [[ "$OS" = "Ubuntu" ]]; then
        sed -i 'N;/default extension directory./a\extension=suhosin.so' $PHP_INI_PATH
    fi	
fi

# Register apache(+php) service for autostart and start it
if [[ "$OS" = "CentOs" ]]; then
    if [[ "$VER" == "7" ]]; then
        systemctl enable "$HTTP_SERVICE.service"
        systemctl start "$HTTP_SERVICE.service"
    else
        chkconfig "$HTTP_SERVICE" on
        "/etc/init.d/$HTTP_SERVICE" start
    fi
fi


#--- ProFTPd
echo -e "\n-- Installing ProFTPD"
if [[ "$OS" = "CentOs" ]]; then
    $PACKAGE_INSTALLER proftpd proftpd-mysql 
    FTP_CONF_PATH='/etc/proftpd.conf'
    sed -i "s|nogroup|nobody|" $PANEL_CONF/proftpd/proftpd-mysql.conf
elif [[ "$OS" = "Ubuntu" ]]; then
    $PACKAGE_INSTALLER proftpd-mod-mysql
    FTP_CONF_PATH='/etc/proftpd/proftpd.conf'
fi

# Create and init proftpd database
mysql -u root -p"$mysqlpassword" < $PANEL_CONF/sentora-install/sql/sentora_proftpd.sql

# Create and configure mysql password for proftpd
proftpdpassword=$(passwordgen);
sed -i "s|!SQL_PASSWORD!|$proftpdpassword|" $PANEL_CONF/proftpd/proftpd-mysql.conf
mysql -u root -p"$mysqlpassword" -e "UPDATE mysql.user SET Password=PASSWORD('$proftpdpassword') WHERE User='proftpd' AND Host='localhost'";

# Assign httpd user and group to all users that will be created
HTTP_UID=$(id -u "$HTTP_USER")
HTTP_GID=$(sed -nr "s/^$HTTP_GROUP:x:([0-9]+):.*/\1/p" /etc/group)
mysql -u root -p"$mysqlpassword" -e "ALTER TABLE sentora_proftpd.ftpuser ALTER COLUMN uid SET DEFAULT $HTTP_UID"
mysql -u root -p"$mysqlpassword" -e "ALTER TABLE sentora_proftpd.ftpuser ALTER COLUMN gid SET DEFAULT $HTTP_GID"
sed -i "s|!SQL_MIN_ID!|$HTTP_UID|" $PANEL_CONF/proftpd/proftpd-mysql.conf

# Setup proftpd base file to call sentora config
rm -f "$FTP_CONF_PATH"
#touch "$FTP_CONF_PATH"
#echo "include $PANEL_CONF/proftpd/proftpd-mysql.conf" >> "$FTP_CONF_PATH";
ln -s "$PANEL_CONF/proftpd/proftpd-mysql.conf" "$FTP_CONF_PATH"

# setup proftpd log dir
mkdir -p $PANEL_DATA/logs/proftpd
chmod -R 644 $PANEL_DATA/logs/proftpd

# Correct bug from package in Ubutu14.04 which screw service proftpd restart
# see https://bugs.launchpad.net/ubuntu/+source/proftpd-dfsg/+bug/1246245
if [[ "$OS" = "Ubuntu" && "$VER" = "14.04" ]]; then
   sed -i 's|\([ \t]*start-stop-daemon --stop --signal $SIGNAL \)\(--quiet --pidfile "$PIDFILE"\)$|\1--retry 1 \2|' /etc/init.d/proftpd
fi

# Register proftpd service for autostart and start it
if [[ "$OS" = "CentOs" ]]; then
    if [[ "$VER" == "7" ]]; then
        systemctl enable proftpd.service
        systemctl start proftpd.service
    else
        chkconfig proftpd on
        /etc/init.d/proftpd start
    fi
fi

#--- BIND
echo -e "\n-- Installing and configuring Bind"
if [[ "$OS" = "CentOs" ]]; then
    $PACKAGE_INSTALLER bind bind-utils bind-libs
    BIND_PATH="/etc/named/"
    BIND_FILES="/etc"
    BIND_SERVICE="named"
    BIND_USER="named"
elif [[ "$OS" = "Ubuntu" ]]; then
    $PACKAGE_INSTALLER bind9 bind9utils
    BIND_PATH="/etc/bind/"
    BIND_FILES="/etc/bind"
    BIND_SERVICE="bind9"
    BIND_USER="bind"
    mysql -u root -p"$mysqlpassword" -e "UPDATE sentora_core.x_settings SET so_value_tx='' WHERE so_name_vc='bind_log'"
fi
mysql -u root -p"$mysqlpassword" -e "UPDATE sentora_core.x_settings SET so_value_tx='$BIND_PATH' WHERE so_name_vc='bind_dir'"
mysql -u root -p"$mysqlpassword" -e "UPDATE sentora_core.x_settings SET so_value_tx='$BIND_SERVICE' WHERE so_name_vc='bind_service'"
chmod -R 777 $PANEL_CONF/bind/zones/

# Setup logging directory
mkdir $PANEL_DATA/logs/bind
touch $PANEL_DATA/logs/bind/bind.log $PANEL_DATA/logs/bind/debug.log
chown $BIND_USER $PANEL_DATA/logs/bind/bind.log $PANEL_DATA/logs/bind/debug.log
chmod 660 $PANEL_DATA/logs/bind/bind.log $PANEL_DATA/logs/bind/debug.log

if [[ "$OS" = "CentOs" ]]; then
    chmod 751 /var/named
    chmod 771 /var/named/data
    sed -i 's|bind/zones.rfc1918|named.rfc1912.zones|' $PANEL_CONF/bind/named.conf
elif [[ "$OS" = "Ubuntu" ]]; then
    mkdir -p /var/named/dynamic
    touch /var/named/dynamic/managed-keys.bind
    chown -R bind:bind /var/named/
    chmod -R 777 $PANEL_CONF/bind/etc

    chown root:root $BIND_FILES/rndc.key
    chmod 755 $BIND_FILES/rndc.key
fi
# Some link to enable call from path
ln -s /usr/sbin/named-checkconf /usr/bin/named-checkconf
ln -s /usr/sbin/named-checkzone /usr/bin/named-checkzone
ln -s /usr/sbin/named-compilezone /usr/bin/named-compilezone

# Setup acl IP to forbid zone transfer
sed -i "s|!SERVER_IP!|$PUBLIC_IP|" $PANEL_CONF/bind/named.conf

# Build key and conf files
rm -rf $BIND_FILES/named.conf $BIND_FILES/rndc.conf $BIND_FILES/rndc.key
rndc-confgen -a -r /dev/urandom
cat $BIND_FILES/rndc.key $PANEL_CONF/bind/named.conf > $BIND_FILES/named.conf
cat $BIND_FILES/rndc.key $PANEL_CONF/bind/rndc.conf > $BIND_FILES/rndc.conf
rm -f $BIND_FILES/rndc.key

# Register Bind service for autostart and start it
if [[ "$OS" = "CentOs" ]]; then
    if [[ "$VER" == "7" ]]; then
        systemctl enable named.service
        systemctl start named.service
    else
        chkconfig named on
        /etc/init.d/named start
    fi
fi


#--- CRON and ATD
echo -e "\n-- Installing and configuring cron tasks"
if [[ "$OS" = "CentOs" ]]; then
    #cronie & crontabs may be missing
    $PACKAGE_INSTALLER crontabs
    CRON_DIR="/var/spool/cron"
    CRON_SERVICE="crond"
elif [[ "$OS" = "Ubuntu" ]]; then
    CRON_DIR="/var/spool/cron/crontabs"
    CRON_SERVICE="cron"
fi
CRON_USER="$HTTP_USER"

# prepare daemon crontab
# sed -i "s|!USER!|$CRON_USER|" "$PANEL_CONF/cron/zdaemon" #it screw update search!#
sed -i "s|!USER!|root|" "$PANEL_CONF/cron/zdaemon"
cp "$PANEL_CONF/cron/zdaemon" /etc/cron.d/zdaemon
chmod 644 /etc/cron.d/zdaemon

# prepare user crontabs
CRON_FILE="$CRON_DIR/$CRON_USER"
mysql -u root -p"$mysqlpassword" -e "UPDATE sentora_core.x_settings SET so_value_tx='$CRON_FILE' WHERE so_name_vc='cron_file'"
mysql -u root -p"$mysqlpassword" -e "UPDATE sentora_core.x_settings SET so_value_tx='$CRON_FILE' WHERE so_name_vc='cron_reload_path'"
mysql -u root -p"$mysqlpassword" -e "UPDATE sentora_core.x_settings SET so_value_tx='$CRON_USER' WHERE so_name_vc='cron_reload_user'"
{
    echo "SHELL=/bin/bash"
    echo "PATH=/sbin:/bin:/usr/sbin:/usr/bin"
    echo ""
} > mycron
crontab -u $HTTP_USER mycron
rm -f mycron

chmod 744 "$CRON_DIR"
chown -R $HTTP_USER:$HTTP_USER "$CRON_DIR"
chmod 644 "$CRON_FILE"

# Register cron and atd services for autostart and start them
if [[ "$OS" = "CentOs" ]]; then
    if [[ "$VER" == "7" ]]; then
        systemctl enable crond.service
        systemctl start crond.service
        systemctl start atd.service
    else
        chkconfig crond on
        /etc/init.d/crond start
        /etc/init.d/atd start
    fi
fi


#--- phpMyAdmin
echo -e "\n-- Configuring phpMyAdmin"
phpmyadminsecret=$(passwordgen);
chmod 644 $PANEL_CONF/phpmyadmin/config.inc.php
sed -i "s|\$cfg\['blowfish_secret'\] \= 'SENTORA';|\$cfg\['blowfish_secret'\] \= '$phpmyadminsecret';|" $PANEL_CONF/phpmyadmin/config.inc.php
ln -s $PANEL_CONF/phpmyadmin/config.inc.php $PANEL_PATH/panel/etc/apps/phpmyadmin/config.inc.php
# Remove phpMyAdmin's setup folder in case it was left behind
rm -rf $PANEL_PATH/panel/etc/apps/phpmyadmin/setup


#--- Roundcube
echo -e "\n-- Configuring Roundcube"

# Import roundcube default table
mysql -u root -p"$mysqlpassword" < $PANEL_CONF/sentora-install/sql/sentora_roundcube.sql

# Create and configure mysql password for roundcube
roundcubepassword=$(passwordgen);
sed -i "s|!ROUNDCUBE_PASSWORD!|$roundcubepassword|" $PANEL_CONF/roundcube/roundcube_config.inc.php
mysql -u root -p"$mysqlpassword" -e "UPDATE mysql.user SET Password=PASSWORD('$roundcubepassword') WHERE User='roundcube' AND Host='localhost'";

# Create and configure des key
roundcube_des_key=$(passwordgen 24);
sed -i "s|!ROUNDCUBE_DESKEY!|$roundcube_des_key|" $PANEL_CONF/roundcube/roundcube_config.inc.php

# Create and configure specials directories and rights
chown "$HTTP_USER:$HTTP_GROUP" "$PANEL_PATH/panel/etc/apps/webmail/temp"
mkdir "$PANEL_DATA/logs/roundcube"
chown "$HTTP_USER:$HTTP_GROUP" "$PANEL_DATA/logs/roundcube"

# Map config file in roundcube with symbolic links
ln -s $PANEL_CONF/roundcube/roundcube_config.inc.php $PANEL_PATH/panel/etc/apps/webmail/config/config.inc.php
ln -s $PANEL_CONF/roundcube/sieve_config.inc.php $PANEL_PATH/panel/etc/apps/webmail/plugins/managesieve/config.inc.php


#--- Webalizer
echo -e "\n-- Configuring Webalizer"
$PACKAGE_INSTALLER webalizer
if [[ "$OS" = "CentOs" ]]; then
    rm -rf /etc/webalizer.conf
elif [[ "$OS" = "Ubuntu" ]]; then
    rm -rf /etc/webalizer/webalizer.conf
fi


#--- Set some Sentora database entries using. setso and setzadmin (require PHP)
echo -e "\n-- Configuring Sentora"
zadminpassword=$(passwordgen);
setzadmin --set "$zadminpassword";
$PANEL_PATH/panel/bin/setso --set sentora_domain "$PANEL_FQDN"
$PANEL_PATH/panel/bin/setso --set server_ip "$PUBLIC_IP"

# if not release, set beta version in database
if [[ $(echo "$SENTORA_CORE_VERSION" | sed  's|.*-\(beta\).*$|\1|') = "beta"  ]] ; then
    $PANEL_PATH/panel/bin/setso --set dbversion "$SENTORA_CORE_VERSION"
fi

# make the daemon to build vhosts file.
$PANEL_PATH/panel/bin/setso --set apache_changed "true"
php -q $PANEL_PATH/panel/bin/daemon.php


#--- Firewall ?

#--- Resolv.conf deprotect
chattr -i /etc/resolv.conf


#--- Restart all services to capture output messages, if any
if [[ "$OS" = "CentOs" && "$VER" == "7" ]]; then
    # CentOs7 does not return anything except redirection to systemctl :-(
    service() {
       echo "Restarting $1"
       systemctl restart "$1.service"
    }
fi

service "$DB_SERVICE" restart
service "$HTTP_SERVICE" restart
service postfix restart
service dovecot restart
service "$CRON_SERVICE" restart
service "$BIND_SERVICE" restart
service proftpd restart
service atd restart

#--- Store the passwords for user reference
{
    echo "Server IP address : $PUBLIC_IP"
    echo "Panel URL         : http://$PANEL_FQDN"
    echo "zadmin Password   : $zadminpassword"
    echo ""
    echo "MySQL Root Password      : $mysqlpassword"
    echo "MySQL Postfix Password   : $postfixpassword"
    echo "MySQL ProFTPd Password   : $proftpdpassword"
    echo "MySQL Roundcube Password : $roundcubepassword"
} >> /root/passwords.txt

#--- Advise the admin that Sentora is now installed and accessible.
{
echo "########################################################"
echo " Congratulations Sentora has now been installed on your"
echo " server. Please review the log file left in /root/ for "
echo " any errors encountered during installation."
echo ""
echo " Login to Sentora at http://$PANEL_FQDN"
echo " Sentora Username  : zadmin"
echo " Sentora Password  : $zadminpassword"
echo ""
echo " MySQL Root Password      : $mysqlpassword"
echo " MySQL Postfix Password   : $postfixpassword"
echo " MySQL ProFTPd Password   : $proftpdpassword"
echo " MySQL Roundcube Password : $roundcubepassword"
echo "   (theses passwords are saved in /root/passwords.txt)"
echo "########################################################"
echo ""
} &>/dev/tty

# Wait until the user have read before restarts the server...
if [[ "$INSTALL" != "auto" ]] ; then
    while true; do
        read -e -p "Restart your server now to complete the install (y/n)? " rsn
        case $rsn in
            [Yy]* ) break;;
            [Nn]* ) exit;
        esac
    done
    shutdown -r now
fi