#!/bin/bash

## You will need pwgen in order for this to work

echo "Enter your webroot directory"
webrootdir=/home/admin/web/
echo "For example where domain names and public html directories are located, like here: $webrootdir: "
read webrootdir;
leftovers=no
echo "Check for leftovers only? (yes/no) - default $leftovers"
read leftovers;

echo "Spammers";
grep cwd /var/log/exim/main.log | grep -v /var/spool | awk -F"cwd=" '{print $2}' | awk '{print $1}' | sort | uniq -c | sort -n

for domaindir in $(ls $webrootdir)
do
    webdir="$webrootdir$domaindir/public_html";
    echo $webdir;
    cd $webdir;
    if [ "$leftovers" = "no" ]
    then
        multisite=$(grep "'MULTISITE'" wp-config.php | cut -d',' -f2 | sed -r "s/[\'\)\;]+//g" | sed 's/\s//g');
        dbname=$(grep "DB_NAME" wp-config.php | cut -d',' -f2 | sed -r "s/['\)\;]+//g" | sed 's/\s//g');
        dbuser=$(grep "DB_USER" wp-config.php | cut -d',' -f2 | sed -r "s/[\'\)\;]+//g" | sed 's/\s//g');
        dbprefix=$(grep "\$table_prefix" wp-config.php | cut -d'=' -f2 | sed -r "s/[\'\)\;\"]+//g" | sed 's/\s//g');
        type pwgen > /dev/null 2>&1 || { sudo yum install pwgen; }
        dbpass=$(pwgen -ysBv 15 1);

        echo "Database name: $dbname";
        echo "Database user: $dbuser";
        echo "Database password: $dbpass";

        sudo /usr/local/vesta/bin/v-change-database-password admin $dbname $dbpass
        if [ "$multisite" = "true" ]
        then
            domain=$(grep "DOMAIN_CURRENT_SITE" wp-config.php | cut -d',' -f2 | sed -r "s/[\'\)\;]+//g" | sed 's/\s//g');
        fi

        mv wp-content/ ..;
        for uploadsdir in $(ls ../wp-content/uploads/)
        do

            if [[ "$uploadsdir" =~ ^[0-9]+$ ]]
            then
                find ../wp-content/uploads/$uploadsdir -type f -name "*.php" -o -name "*.js" -o -name "*.phtml" -exec rm -rf {} \; -print
            fi

            if [[ "$uploadsdir" = "sites" ]]
            then
                for sitesdir in $(ls ../wp-content/uploads/$uploadsdir/)
                do
                    for sitedatedir in $(ls ../wp-content/uploads/$uploadsdir/$sitesdir/)
                    do
                        if [[ "$sitedatedir" =~ ^[0-9]+$ ]]
                        then
                            find ../wp-content/uploads/$uploadsdir/$sitesdir/$sitedatedir -type f -name "*.php" -o -name "*.js" -o -name "*.phtml" -exec rm -rf {} \; -print
                        fi
                    done
                done
            fi
        done
        rm -rf *;
        rm -rf .htaccess;
        rm -rf .ftpquota;
        rm -rf .user.ini;
        wp core download;
        rm -rf wp-content;
        mv ../wp-content .;
        if [ "$multisite" = "true" ]
        then
            wp config create --dbprefix=$dbprefix --dbname=$dbname --dbuser=$dbuser --dbpass=$dbpass --force --extra-php << PHP
define('WP_MEMORY_LIMIT', '256M');
define('WP_MAX_MEMORY_LIMIT', '512M');
define( 'SUNRISE', 'on' );
define( 'WP_ALLOW_MULTISITE', true );
define( 'MULTISITE', true );
define( 'SUBDOMAIN_INSTALL', false );
define( 'DOMAIN_CURRENT_SITE', '$domain' );
define( 'PATH_CURRENT_SITE', '/' );
define( 'SITE_ID_CURRENT_SITE', 1 );
define( 'BLOG_ID_CURRENT_SITE', 1 );
PHP
        else
            wp config create --dbprefix=$dbprefix --dbname=$dbname --dbuser=$dbuser --dbpass=$dbpass --force --extra-php << PHP
    define('WP_MEMORY_LIMIT', '256M');
    define('WP_MAX_MEMORY_LIMIT', '512M');
PHP
        fi
        wp theme install $(wp theme list --field=name) --force;
        if wp tgmpa-plugin info &> /dev/null; then
            wp tgmpa-plugin install --all --force
        fi
        wp plugin install $(wp plugin list --field=name) --force;
    fi
    wp plugin update-all
    wp theme update-all

    echo "Not cleaned recently modified files";
    find . -mtime -2 -ls;
    echo "Base 64 encryption using files";
    grep -ril base64 *;
    echo "Probably infected leftovers"
    find wp-content/uploads/ -type f -not -name "*.jpg" -not -name "*.png" -not -name "*.gif" -not -name "*.jpeg"
done