#!/bin/bash
# -------------------------------------------------------------------------
# WordOps install and update script
# -------------------------------------------------------------------------
# Website:       https://wordops.org
# GitHub:        https://github.com/WordOps/WordOps
# Copyright (c) 2019 - WordOps
# This script is licensed under M.I.T
# -------------------------------------------------------------------------
# Version 3.9.3 - 2019-03-05
# -------------------------------------------------------------------------
readonly wo_version_old="2.2.3"
readonly wo_version_new="3.9.3.1"
# CONTENTS
# ---
# 1. VARIABLES AND DECLARATIONS
# 2. PREPARE FOR INSTALLATION
# 3. INSTALLATION
# 4.

###
# 1 - Set the CLI output colors
###

TPUT_RESET=$(tput sgr0)
TPUT_FAIL=$(tput setaf 1)
TPUT_INFO=$(tput setaf 7)
TPUT_ECHO=$(tput setaf 4)

wo_lib_echo () {
    
    echo "${*}${TPUT_RESET}"
}

wo_lib_echo_info()
{
    
    echo "${TPUT_INFO}${*}${TPUT_RESET}"
}

wo_lib_echo_fail()
{
    
    echo "${TPUT_FAIL}${*}${TPUT_RESET}"
}

###
# 1 - Capture errors
###

wo_lib_error()
{
    echo "[ $(date) ] ${TPUT_FAIL}${*}${TPUT_RESET}"
    exit "$2"
}

###
# 1 - Check whether the installation is called with elevated rights
###
if [[ $EUID -ne 0 ]]; then
    wo_lib_echo_fail "Sudo privilege required..."
    wo_lib_echo_fail "Use: wget -qO wo wordops.se/tup && sudo bash wo"
    exit 100
fi

echo ""
wo_lib_echo "Welcome to WordOps install script v${wo_version_new}"
echo ""

###
# 1- Update the apt sewers with fresh info
###
wo_lib_echo "Updating apt-get repository info"
apt-get update &>> /dev/null

###
# 1- Check whether lsb_release is installed, and if not, install it
###
if [ -z "$(command -v lsb_release)" ]; then
    wo_lib_echo "Installing lsb-release, please wait..."
    apt-get -y install lsb-release &>> /dev/null
fi

###
# 1 - Define variables for later use
###
wo_branch="$1"
migration=0
readonly wo_log_dir=/var/log/wo/
readonly wo_install_log=/var/log/wo/install.log
readonly wo_linux_distro=$(lsb_release -i | awk '{print $3}')
readonly wo_distro_version=$(lsb_release -sc)

###
# 1 - Checking linux distro
###
if [ "$wo_linux_distro" != "Ubuntu" ] && [ "$wo_linux_distro" != "Debian" ]; then
    wo_lib_echo_fail "WordOps (wo) only supports Ubuntu and Debian at the moment."
    wo_lib_echo_fail "If you are feeling adventurous, you are free to fork WordOps to support"
    wo_lib_echo_fail "other Linux distributions and perhaps even Unix deratives."
    exit 100
else
    check_wo_linux_distro=$(lsb_release -sc | grep -E "trusty|xenial|bionic|jessie|stretch")
    if [ -z "$check_wo_linux_distro" ]; then
        wo_lib_echo_fail "WordOps (wo) only supports Ubuntu 14.04/16.04/18.04, Debian 8.x and Debian 9.x"
        exit 100
    fi
fi

###
# 1 - To prevent errors or unexpected behaviour, create the log and ACL it
###
if [ ! -d $wo_log_dir ]; then
    
    wo_lib_echo "Creating WordOps log directory, just a second..."
    mkdir -p $wo_log_dir || wo_lib_error "Whoops - seems we are unable to create the log directory $wo_log_dir, exit status " $?
    
    touch /var/log/wo/{wordops.log,install.log}
    
    chmod -R 700 /var/log/wo || wo_lib_error "Whoops, there was an error setting the permissions on the WordOps log folder, exit status " $?
fi

###
# 2 - Setup the dependencies for installation
####
wo_install_dep()
{

    {
        if [ "$wo_linux_distro" == "Ubuntu" ]; then
            apt-get -y install build-essential curl gzip python3 python3-apt python3-setuptools python3-dev sqlite3 git tar software-properties-common pigz gnupg2 fail2ban > /dev/null 2>&1
        else
            apt-get -y install build-essential curl gzip dirmngr sudo python3 python3-apt python3-setuptools python3-dev sqlite3 git tar software-properties-common pigz gnupg2 fail2ban > /dev/null 2>&1
        fi
    
    locale-gen en
     } >> /var/log/wo/install.log 2>&1
    # Support PFS
    if [ -f /etc/nginx/nginx.conf ]; then
        # Replace previous ciphers
        new_ciphers="EECDH+CHACHA20:EECDH+AESGCM:EECDH+AES"
        sed -i "s/ssl_ciphers\ \(\"\|.\|'\)\(.*\)\(\"\|.\|'\);/ssl_ciphers \"$new_ciphers\";/" /etc/nginx/nginx.conf
        # Change the TLS protocols
        sed -i "s/ssl_protocols\ \(.*\);/ssl_protocols TLSv1.2;/" /etc/nginx/nginx.conf
    fi
    
    # Let's Encrypt .well-known folder setup
    if [ ! -d /var/www/html/.well-known/acme-challenge ]; then
        mkdir -p /var/www/html/.well-known/acme-challenge
        chown -R www-data:www-data /var/www/html /var/www/html/.well-known
    fi
}

###
# 3 - Create/migrate the essentials
###
wo_sync_db()
{
    ###
    # Switching from EE -> WO
    ###
    if [ -f /var/lib/ee/ee.db ]; then
        # Create the WordOps folder
        mkdir -p /var/lib/wo
        
        # Backup the nginx directory
        tar -cvf - /etc/nginx /etc/ee /var/lib/ee | pigz -9 > /var/lib/wo/ee-backup.tgz
        
        # Copy the EasyEngine database
        cp /var/lib/ee/ee.db /var/lib/wo/dbase-ee.db
        
        # Set the migration variable for the closing text
        migration=1
        
        ###
        # Clean WO installation
        ###
        elif [ ! -d /var/lib/wo ]; then
        # Create the directory holding the WordOps database
        mkdir -p /var/lib/wo
        
        # Create an empty database for WordOps
        echo "CREATE TABLE sites (
           id INTEGER PRIMARY KEY     AUTOINCREMENT,
           sitename UNIQUE,
           site_type CHAR,
           cache_type CHAR,
           site_path  CHAR,
           created_on TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
           is_enabled INT,
           is_ssl INT,
           storage_fs CHAR,
           storage_db CHAR,
           db_name VARCHAR,
           db_user VARCHAR,
           db_password VARCHAR,
           db_host VARCHAR,
           is_hhvm INT INT DEFAULT '0',
           php_version VARCHAR
        );" | sqlite3 /var/lib/wo/dbase.db
        
        if [ -f /var/lib/wo/dbase-ee.db ]; then
            # Copy the main EasyEngine database over since we are migrating
            cp /var/lib/wo/dbase-ee.db /var/lib/wo/dbase.db
        fi
        
        # Check site is enable/live or disable
        for site in $(ls /etc/nginx/sites-available/ | grep -v default);
        do
            if [ -f "/etc/nginx/sites-enabled/$site" ]; then
                wo_site_status='1'
            else
                wo_site_status='0'
            fi
            
            # Acquire information about the current nginx configuration
            wo_site_current_type=$(head -n1 /etc/nginx/sites-available/$site | grep "NGINX CONFIGURATION" | rev | cut -d' ' -f3,4,5,6,7 | rev | cut -d ' ' -f2,3,4,5)
            
            # Sniff out the vhost type and cache configuration
            if [ "$wo_site_current_type" = "HTML" ]; then
                wo_site_current="html"
                wo_site_current_cache="basic"
                elif [ "$wo_site_current_type" = "PHP" ]; then
                wo_site_current="php"
                wo_site_current_cache="basic"
                elif [ "$wo_site_current_type" = "MYSQL" ]; then
                wo_site_current="mysql"
                wo_site_current_cache="basic"
                
                # Caching types on a single WordPress installation
                elif [ "$wo_site_current_type" = "WPSINGLE BASIC" ]; then
                wo_site_current="wp"
                wo_site_current_cache="basic"
                elif [ "$wo_site_current_type" = "WPSINGLE WP SUPER CACHE" ]; then
                wo_site_current="wp"
                wo_site_current_cache="wpsc"
                elif [ "$wo_site_current_type" = "WPSINGLE FAST CGI" ] || [ "$wo_site_current_type" = "WPSINGLE FASTCGI" ]; then
                wo_site_current="wp"
                wo_site_current_cache="wpfc"
                
                # Caching types on a single, subdirectory WordPress installation
                elif [ "$wo_site_current_type" = "WPSUBDIR BASIC" ]; then
                wo_site_current="wpsubdir"
                wo_site_current_cache="basic"
                elif [ "$wo_site_current_type" = "WPSUBDIR WP SUPER CACHE" ]; then
                wo_site_current="wpsubdir"
                wo_site_current_cache="wpsc"
                elif [ "$wo_site_current_type" = "WPSUBDIR FAST CGI" ] || [ "$wo_site_current_type" = "WPSUBDIR FASTCGI" ]; then
                wo_site_current="wpsubdir"
                wo_site_current_cache="wpfc"
                
                # Caching types on a single, subdomain WordPress installation
                elif [ "$wo_site_current_type" = "WPSUBDOMAIN BASIC" ]; then
                wo_site_current="wpsubdomain"
                wo_site_current_cache="basic"
                elif [ "$wo_site_current_type" = "WPSUBDOMAIN WP SUPER CACHE" ]; then
                wo_site_current="wpsubdomain"
                wo_site_current_cache="wpsc"
                elif [ "$wo_site_current_type" = "WPSUBDOMAIN FAST CGI" ] || [ "$wo_site_current_type" = "WPSUBDOMAIN FASTCGI" ]; then
                wo_site_current="wpsubdomain"
                wo_site_current_cache="wpfc"
            fi
            
            wo_webroot="/var/www/$site"
            
            # Import the configuration into the WordOps SQLite database
            echo "INSERT INTO sites (sitename, site_type, cache_type, site_path, is_enabled, is_ssl, storage_fs, storage_db)
            VALUES (\"$site\", \"$wo_site_current\", \"$wo_site_current_cache\", \"$wo_webroot\", \"$wo_site_status\", 0, 'ext4', 'mysql');" | sqlite3 /var/lib/wo/dbase.db
        done
    else
        wo_php_version="7.2"
        wo_lib_echo "Updating WordOps Database"
        echo "ALTER TABLE sites ADD COLUMN db_name varchar;" | sqlite3 /var/lib/wo/dbase.db
        echo "ALTER TABLE sites ADD COLUMN db_user varchar; " | sqlite3 /var/lib/wo/dbase.db
        echo "ALTER TABLE sites ADD COLUMN db_password varchar;" | sqlite3 /var/lib/wo/dbase.db
        echo "ALTER TABLE sites ADD COLUMN db_host varchar;" | sqlite3 /var/lib/wo/dbase.db
        echo "ALTER TABLE sites ADD COLUMN is_hhvm INT DEFAULT '0';" | sqlite3 /var/lib/wo/dbase.db
        echo "ALTER TABLE sites ADD COLUMN php_version varchar DEFAULT \"$wo_php_version\";" | sqlite3 /var/lib/wo/dbase.db
    fi
    
    
    echo "UPDATE sites SET php_version = REPLACE(php_version, '5.6', '7.2');" | sqlite3 /var/lib/wo/dbase.db
    echo "UPDATE sites SET php_version = REPLACE(php_version, '7.0', '7.3');" | sqlite3 /var/lib/wo/dbase.db
    
    ###
    # ee-acme-sh by VirtuBox, https://virtubox.net/
    ###
    if [ ! -f ~/.acme.sh/acme.sh ]; then
        wget -O -  https://get.acme.sh | sh
        BASHRC_EE_ACME_FIRST_RELEASE=$(grep "ee-acme" $HOME/.bashrc)
        BASHRC_EE_ACME_LAST_RELEASE=$(grep "ee-acme.sh" $HOME/.bashrc)
        
        if [ -f $HOME/.ee-acme/ee-acme ] && [ -z "$BASHRC_EE_ACME_LAST_RELEASE" ]; then
            rm -rf $HOME/.ee-acme/*
            echo 'alias ee-acme="/root/.ee-acme/ee-acme.sh"' >> $HOME/.ee-acme/ee-acme
            wget -qO $HOME/.ee-acme/ee-acme.sh https://raw.githubusercontent.com/WordOps/wo-acme-sh/master/script/ee-acme.sh
            chmod +x $HOME/.ee-acme/ee-acme.sh
            elif [ -x $HOME/.ee-acme/ee-acme.sh ]; then
            rm $HOME/.ee-acme/ee-acme.sh
            wget -qO $HOME/.ee-acme/ee-acme.sh https://raw.githubusercontent.com/WordOps/wo-acme-sh/master/script/ee-acme.sh
            chmod +x $HOME/.ee-acme/ee-acme.sh
            elif [ ! -d  $HOME/.ee-acme ]; then
            mkdir -p $HOME/.ee-acme
            wget -qO /usr/local/bin/wo-acme https://raw.githubusercontent.com/WordOps/wo-acme-sh/master/script/ee-acme.sh
            chmod +x /usr/local/bin/wo-acme
        fi
    fi
}

# Once again, set the proper ACL on the WordOps configuration directory
secure_wo_db()
{
    
    # The owner is root
    chown -R root:root /var/lib/wo/
    # Only allow access by root, block others
    chmod -R 600 /var/lib/wo/
    
}

# Update the WP-CLI version
wo_update_wp_cli()
{
    {
    WP_CLI_PATH=$(command -v wp)
    if [ "$WP_CLI_PATH" != "/usr/local/bin/wp" ]; then
        rm -rf "$WP_CLI_PATH"
        # Update WP-CLI to the most recent version
        wget -qO /usr/local/bin/wp https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
        chmod +x /usr/local/bin/wp
    else
        wget -qO /usr/local/bin/wp https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
        chmod +x /usr/local/bin/wp
    fi
    [ ! -x /usr/bin/wp ] && {
        ln -s /usr/local/bin/wp /usr/bin/
    }
    [ -d /etc/bash_completion.d ] && {
        wget -qO /etc/bash_completion.d/wp-completion.bash https://raw.githubusercontent.com/wp-cli/wp-cli/master/utils/wp-completion.bash
    }
    wp --allow-root cli update
    } >> /var/log/wo/install.log 2>&1
}

# Now, finally, let's install WordOps
wo_install()
{
    {
        rm -rf /tmp/easyengine
        rm -rf /tmp/wordops
        
        [ -z "$wo_branch" ] && {
            wo_branch=master
        }
        
        git clone -b "$wo_branch" https://github.com/WordOps/WordOps.git /tmp/wordops --quiet
        
        cd /tmp/wordops || exit 1
    } >> /var/log/wo/install.log 2>&1;
        python3 setup.py install


}

wo_update_latest()
{
    
    if [ -f /etc/nginx/fastcgi_params  ]
    then
        grep -q 'HTTP_PROXY' /etc/nginx/fastcgi_params
        if [[ $? -ne 0 ]]; then
            echo "fastcgi_param  HTTP_PROXY         \"\";" >> /etc/nginx/fastcgi_params
            echo "fastcgi_param  HTTP_PROXY         \"\";" >> /etc/nginx/fastcgi.conf
            service nginx restart &>> /dev/null
        fi
    fi
    
    if [ -f /etc/ImageMagick/policy.xml  ]
    then
        if [ ! -f /etc/ImageMagick/patch.txt  ]
        then
            echo -e "\t<policy domain="coder" rights="none" pattern="EPHEMERAL" />\n\t<policy domain="coder" rights="none" pattern="URL" />\n\t<policy domain="coder" rights="none" pattern="HTTPS" />\n\t<policy domain="coder" rights="none" pattern="MVG" />\n\t<policy domain="coder" rights="none" pattern="MSL" />" >> /etc/ImageMagick/patch.txt
            sed -i '/<policymap>/r /etc/ImageMagick/patch.txt' /etc/ImageMagick/policy.xml
        fi
    fi
    
    # Move ~/.my.cnf to /etc/mysql/conf.d/my.cnf
    if [ ! -f /etc/mysql/conf.d/my.cnf ]
    then
        # create conf.d folder if not exist
        if [ ! -d /etc/mysql/conf.d ]; then
            mkdir -p /etc/mysql/conf.d
            chmod 755 /etc/mysql/conf.d
        fi
        if [ -d /etc/mysql/conf.d ]
        then
            if [ -f ~/.my.cnf ]
            then
                cp ~/.my.cnf /etc/mysql/conf.d/my.cnf &>> /dev/null
                chmod 600 /etc/mysql/conf.d/my.cnf
            else
                if [ -f /root/.my.cnf ]
                then
                    cp /root/.my.cnf /etc/mysql/conf.d/my.cnf &>> /dev/null
                    chmod 600 /etc/mysql/conf.d/my.cnf
                else
                    wo_lib_echo_fail ".my.cnf cannot be located in your current user or root folder..."
                fi
            fi
        fi
    fi
    
    
    if [ -f /etc/nginx/nginx.conf ]; then
        wo_lib_echo "Updating Nginx configuration, please wait..."
        
        elif [ "$wo_distro_version" == "trusty" ]; then
        grep -Hr 'http://download.opensuse.org/repositories/home:/virtubox:/WordOps/xUbuntu_14.04/ /' /etc/apt/sources.list.d/ &>> /dev/null
        if [[ $? -ne 0 ]]; then
            if [ -f /etc/apt/sources.list.d/rtcamp-nginx-trusty.list ]; then
                rm -rf /etc/apt/sources.list.d/rtcamp-nginx-trusty.list
            fi
            echo -e "\ndeb http://download.opensuse.org/repositories/home:/virtubox:/WordOps/xUbuntu_14.04/ /" >> /etc/apt/sources.list.d/wo-repo.list
            gpg --keyserver "hkp://pgp.mit.edu" --recv-keys '188C9FB063F0247A'
            gpg -a --export --armor '188C9FB063F0247A' | apt-key add -
            if [ -f /etc/nginx/conf.d/ee-nginx.conf ]; then
                mv /etc/nginx/conf.d/ee-nginx.conf /etc/nginx/conf.d/wo-nginx.conf.old &>> /dev/null
            fi
            mv /etc/nginx/nginx.conf /etc/nginx/nginx.conf.old &>> /dev/null
            apt-get update
            service nginx stop &>> /dev/null
            DEBIAN_FRONTEND=noninteractive apt-get -o Dpkg::Options::="--force-confmiss" -o Dpkg::Options::="--force-confold" -y install nginx-custom nginx-wo
            service nginx restart &>> /dev/null
        fi
        CHECK_NGINX_COMMON=$(dpkg --get-selections | grep -v deinstall | grep nginx-common)
        if [ -n "$CHECK_NGINX_COMMON" ]; then
            apt-get update
            CHECK_NGINX_MAILINE=$(dpkg --get-selections | grep -v deinstall | grep nginx-mainline)
            if [ -n "$CHECK_NGINX_MAILINE" ]; then
                apt-get remove -y nginx-mainline
            fi
            service nginx stop &>> /dev/null
            DEBIAN_FRONTEND=noninteractive apt-get -o Dpkg::Options::="--force-confmiss" -o Dpkg::Options::="--force-confold" -y --allow-unauthenticated install nginx-wo nginx-custom
            service nginx restart &>> /dev/null
        fi
        
        elif [ "$wo_linux_distro" == "Debian" ]; then
        grep -Hr 'http://download.opensuse.org/repositories/home:/virtubox:/WordOps/Debian_8.0/ /' /etc/apt/sources.list.d/ &>> /dev/null
        if [[ $? -ne 0 ]]; then
            echo -e "deb http://download.opensuse.org/repositories/home:/virtubox:/WordOps/Debian_8.0/ /" >> /etc/apt/sources.list.d/wo-repo.list
            gpg --keyserver "hkp://pgp.mit.edu" --recv-keys '188C9FB063F0247A'
            gpg -a --export --armor '188C9FB063F0247A' | apt-key add -
            if [ -f /etc/nginx/conf.d/ee-nginx.conf ]; then
                mv /etc/nginx/conf.d/ee-nginx.conf /etc/nginx/conf.d/ee-nginx.conf.old &>> /dev/null
            fi
            mv /etc/nginx/nginx.conf /etc/nginx/nginx.conf.old &>> /dev/null
            mv /etc/nginx/fastcgi_params /etc/nginx/fastcgi_params.old &>> /dev/null
            apt-get update
            systemctl stop nginx &>> /dev/null
            apt-get -o Dpkg::Options::="--force-confmiss" -o Dpkg::Options::="--force-confold" -y install nginx-custom
            systemctl restart nginx &>> /dev/null
        fi
        CHECK_NGINX_COMMON=$(dpkg --get-selections | grep -v deinstall | grep nginx-common)
        if [ -n "$CHECK_NGINX_COMMON" ]; then
            apt-get update
            CHECK_NGINX_MAILINE=$(dpkg --get-selections | grep -v deinstall | grep nginx-mainline)
            if [ -n "$CHECK_NGINX_MAILINE" ]; then
                apt-get remove -y nginx-mainline
            fi
            systemctl stop nginx &>> /dev/null
            DEBIAN_FRONTEND=noninteractive apt-get -o Dpkg::Options::="--force-confmiss" -o Dpkg::Options::="--force-confold" -y --allow-unauthenticated install nginx-wo nginx-custom
            systemctl restart nginx &>> /dev/null
        fi
    fi
    
    if [ -f /etc/nginx/nginx.conf ]; then
        sed -i "s/.*X-Powered-By.*/\tadd_header X-Powered-By \"WordOps $wo_version_new\";/" /etc/nginx/nginx.conf &>> /dev/null
    fi
    
    if [ -f /etc/nginx/conf.d/wo-plus.conf ]; then
        sed -i "s/.*X-Powered-By.*/\tadd_header X-Powered-By \"WordOps $wo_version_new\";/" /etc/nginx/conf.d/wo-plus.conf &>> /dev/null
    fi
    
    # Fix HHVM autostart on reboot
    CHECK_HHVM_INSTALL=$(dpkg --get-selections | grep -v deinstall | grep hhvm &>> /dev/null)
    if [ -n "$CHECK_HHVM_INSTALL" ]; then
        update-rc.d hhvm defaults &>> /dev/null
    fi
    
    # Fix WordPress example.html issue
    # Ref: http://wptavern.com/xss-vulnerability-in-jetpack-and-the-twenty-fifteen-default-theme-affects-millions-of-wordpress-users
    dpkg --get-selections | grep -v deinstall | grep nginx &>> /dev/null
    if [ $? -eq 0 ]; then
        cp /usr/lib/wo/templates/locations.mustache /etc/nginx/common/locations.conf &>> /dev/null
    fi
    
    # Fix HHVM upstream issue that was preventing from using EasyEngine for site operations
    if [ -f /etc/nginx/conf.d/upstream.conf ]; then
        grep -Hr hhvm /etc/nginx/conf.d/upstream.conf &>> /dev/null
        if [ $? -ne 0 ]; then
            echo -e "upstream hhvm {\n# HHVM Pool\nserver 127.0.0.1:8000;\nserver 127.0.0.1:9000 backup;\n}\n" >> /etc/nginx/conf.d/upstream.conf
        fi
    fi
    
    # Fix HHVM server IP
    if [ -f /etc/hhvm/server.ini ]; then
        grep -Hr "hhvm.server.ip" /etc/hhvm/server.ini &>> /dev/null
        if [ $? -ne 0 ]; then
            echo -e "hhvm.server.ip = 127.0.0.1\n" >> /etc/hhvm/server.ini
        fi
    fi
    
    # Rename Redis Header
    if [ -f /etc/nginx/common/redis-hhvm.conf ]; then
        sed -i "s/X-Cache /X-SRCache-Fetch-Status /g" /etc/nginx/common/redis-hhvm.conf &>> /dev/null
        sed -i "s/X-Cache-2 /X-SRCache-Store-Status /g" /etc/nginx/common/redis-hhvm.conf &>> /dev/null
    fi
    
    if [ -f /etc/nginx/common/redis.conf ]; then
        sed -i "s/X-Cache /X-SRCache-Fetch-Status /g" /etc/nginx/common/redis.conf &>> /dev/null
        sed -i "s/X-Cache-2 /X-SRCache-Store-Status /g" /etc/nginx/common/redis.conf &>> /dev/null
    fi
    
    
    if [ -f /etc/nginx/common/redis-hhvm.conf ]; then
        # Update Timeout redis-hhvm.conf
        grep -0 'redis2_query expire $key 6h' /etc/nginx/common/redis-hhvm.conf &>> /dev/null
        if [ $? -eq 0 ]; then
            sed -i 's/redis2_query expire $key 6h/redis2_query expire $key 14400/g' /etc/nginx/common/redis-hhvm.conf &>> /dev/null
        fi
        
        #Fix for 3.3.4 redis-hhvm issue
        grep -0 'HTTP_ACCEPT_ENCODING' /etc/nginx/common/redis-hhvm.conf &>> /dev/null
        if [ $? -ne 0 ]; then
            sed -i 's/fastcgi_params;/fastcgi_params;\n  fastcgi_param HTTP_ACCEPT_ENCODING "";/g' /etc/nginx/common/redis-hhvm.conf &>> /dev/null
        fi
    fi
    
    # Fix Redis-server security issue
    # http://redis.io/topics/security
    if [ -f /etc/redis/redis.conf  ]; then
        grep -0 -v "#" /etc/redis/redis.confse | grep 'bind' &>> /dev/null
        if [ $? -ne 0 ]; then
            sed -i '$ a bind 127.0.0.1' /etc/redis/redis.conf &>> /dev/null
            service redis-server restart &>> /dev/null
        fi
    fi
    
    # Let's Encrypt .well-known folder setup
    if [ ! -d /var/www/html/.well-known/acme-challenge ]; then
        mkdir -p /var/www/html/.well-known/acme-challenge
        chown -R www-data:www-data /var/www/html/.well-known
    fi
    
    
    # Fix for 3.3.2 renamed nginx.conf
    nginx -V &>>/dev/null 2>&1
    if [[ $? -eq 0 ]]; then
        nginx -t 2>&1 | grep 'open() "/etc/nginx/nginx.conf" failed' &>>/dev/null
        if [[ $? -eq 0 ]]; then
            if [ -f /etc/nginx/nginx.conf.old ]; then
                if [ ! -f /etc/nginx/nginx.conf ]; then
                    cp /etc/nginx/nginx.conf.old /etc/nginx/nginx.conf
                fi
            fi
        fi
        # Fix for 3.3.2 renamed fastcgi_param
        nginx -t 2>&1 | grep 'open() "/etc/nginx/fastcgi_params" failed' &>>/dev/null
        if [[ $? -eq 0 ]]; then
            if [ -f /etc/nginx/fastcgi_params.old ]; then
                if [ ! -f /etc/nginx/fastcgi_params ]; then
                    cp /etc/nginx/fastcgi_params.old /etc/nginx/fastcgi_params
                fi
            fi
        fi
    fi
    
    # Support PFS
    if [ -f /etc/nginx/nginx.conf ]; then
        # Replace the default ciphers
        sed -i 's/HIGH:!aNULL:!MD5:!kEDH;/ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH;/' /etc/nginx/nginx.conf
        # Replace the EasyEngine ciphers
        sed -i 's/ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA;/ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH;/' /etc/nginx/nginx.conf
        # Change the TLS protocols
        if [ "$wo_distro_version" == "bionic" ]; then
            # Bionic supports TLSv1.3, so let's enable that
            sed -i 's/TLSv1 TLSv1.1 TLSv1.2;/TLSv1.2 TLSv1.3;/g' /etc/nginx/nginx.conf
        else
            # If != Bionic then enable only TLSv1.2
            sed -i 's/TLSv1 TLSv1.1 TLSv1.2;/TLSv1.2;/g' /etc/nginx/nginx.conf
        fi
    fi
    
    # Fix for SSL cert --all
    crontab -l | grep -q '\-\-min_expiry_limit'
    if [[ $? -eq 0 ]]; then
        crontab -l > /var/spool/cron/cron-backup.txt  #backup cron before editing
        crontab -l | sed '/--min_expiry_limit/d' | crontab -
        /bin/bash -c "crontab -l 2> /dev/null | { cat; echo -e \"\n0 0 * * 0 wo site update --le=renew --all 2> /dev/null # Renew all letsencrypt SSL cert. Set by WordOps\"; } | crontab -"
    fi
}

# Do git intialisation
wo_git_init()
{
    # Nginx under git version control
    [ -d /etc/nginx ] && {
        cd /etc/nginx || exit 1
        if [ ! -d /etc/nginx/.git ]; then
            git init
        fi
        git add -A .
        git commit -am "Updated Nginx" 
    } >> /var/log/wo/install.log 2>&1
    # WordOps under git version control
    [ -d /etc/wo ] && {
    cd /etc/wo || exit 1
    [ ! -d /etc/wo/.git ] && {
        git init
    }
    git add -A .
    git commit -am "Installed/Updated to WordOps" 
    } >> /var/log/wo/install.log 2>&1
    # PHP under git version control
    [ -d /etc/php ] && {
        cd /etc/php || exit 1
        if [ ! -d /etc/php/.git ]; then
            git init
        fi
        git add -A .
        git commit -am "Updated PHP"
    } >> /var/log/wo/install.log 2>&1
}

###
# 4 - WO MAIN SETUP
###

# 1 - WO already installed
if [ -x /usr/local/bin/wo ]; then
    wo -v 2>&1 | grep $wo_version_new &>> /dev/null
    if [[ $? -ne 0 ]];then
        read -p "Update WordOps to $wo_version_new (y/n): " wo_ans
        if [ "$wo_ans" = "y" ] || [ "$wo_ans" = "Y" ]; then
            wo_install_dep | tee -ai $wo_install_log
            wo_sync_db >> $EE_INSTALL_LOG 2>&1
            secure_wo_db | tee -ai $EE_INSTALL_LOG
            wo_upgrade_php | tee -ai $wo_install_log
            wo_install | tee -ai $wo_install_log
            wo_update_latest | tee -ai $wo_install_log
            wo_git_init | tee -ai $wo_install_log
            service nginx reload &>> /dev/null
            service php7.2-fpm restart &>> /dev/null
            wo_update_wp_cli | tee -ai $wo_install_log
        else
            wo_lib_error "Not updating WordOps to $wo_version_new, exit status = " 1
        fi
    else
        wo_lib_error "You already have WordOps $wo_version_new, exit status = " 1
    fi
else
    # 2 - Migration from EEv3
    if [ -x /usr/local/bin/ee ]; then
        ee -v 2>&1 | grep $wo_version_new &>> /dev/null
        if [[ $? -ne 0 ]];then
            read -p "Update WordOps to $wo_version_new (y/n): " wo_ans
            if [ "$wo_ans" = "y" ] || [ "$wo_ans" = "Y" ]; then
                wo_install_dep | tee -ai $wo_install_log
                wo_sync_db >> $EE_INSTALL_LOG 2>&1
                secure_wo_db | tee -ai $EE_INSTALL_LOG
                wo_upgrade_php | tee -ai $wo_install_log
                wo_install | tee -ai $wo_install_log
                wo_update_latest | tee -ai $wo_install_log
                wo_git_init | tee -ai $wo_install_log
                service nginx reload &>> /dev/null
                service php7.2-fpm restart &>> /dev/null
                wo_update_wp_cli | tee -ai $wo_install_log
            else
                wo_lib_error "Not updating WordOps to $wo_version_new, exit status = " 1
            fi
        else
            wo_lib_error "You already have WordOps $wo_version_new, exit status = " 1
        fi
    else
        # 3 - Fresh WO setup
        wo_lib_echo "Installing wo dependencies " | tee -ai $wo_install_log
        wo_install_dep | tee -ai $wo_install_log
        wo_lib_echo "Installing WordOps " | tee -ai $wo_install_log
        wo_install | tee -ai $wo_install_log
        wo_lib_echo "Running post-install steps " | tee -ai $wo_install_log
        secure_wo_db | tee -ai $wo_install_log
        wo_git_init | tee -ai $wo_install_log
        wo_update_wp_cli | tee -ai $wo_install_log
    fi
fi

wo sync | tee -ai $WO_INSTALL_LOG

if [ "$migration" -eq "1" ]; then
    echo
    wo_lib_echo "The migration from EasyEngine to WordOps was succesfull!"
    wo_lib_echo "The EasyEngine backup files can be found in /var/lib/wo/ee-backup.tgz"
    echo
    wo_lib_echo_info "For autocompletion, run the following command:"
    wo_lib_echo_info "source /etc/bash_completion.d/wo_auto.rc"
    echo
    wo_lib_echo "WordOps (wo) help: https://wordops.org/docs"
else
    echo
    wo_lib_echo "For WordOps (wo) auto completion, run the following command"
    echo
    wo_lib_echo_info "source /etc/bash_completion.d/wo_auto.rc"
    echo
    wo_lib_echo "Yay! WordOps (wo) installed/updated successfully"
    wo_lib_echo "WordOps (wo) help: https://wordops.org/docs"
fi