###==============================================###
##      Apache Reverse Proxy NGINX Installer      ##
###==============================================###

##----------------##
#    Pre-Config    #
##----------------##

# Set server IP variable for apache access
#server_ip=$(hostname -I|cut -f1 -d ' ')
# Block direct apache acces
#ufw deny 8080/tcp
# Create domain specific folder
mkdir -p /var/www/"$domain"/html

##-----------##
#    NGINX    #
##-----------##

apt install -y nginx mysql-server
rm /etc/nginx/sites-enabled/default
cat <<EOF > /etc/nginx/sites-available/"$domain"
server {
        listen 80;

        root /var/www/$domain;
        index index.php index.html index.htm;

        server_name $domain www.$domain;

        location / {
            try_files \$uri \$uri/ /index.php;
        }

        location ~ \.php\$ {
            proxy_set_header X-Real-IP  \$remote_addr;
            proxy_set_header X-Forwarded-For \$remote_addr;
            proxy_set_header Host \$host;
            proxy_pass http://127.0.0.1:8080;
        }

        location ~ /\.ht {
            deny all;
        }
}
EOF
#ln -s /etc/nginx/sites-available/"$domain" /etc/nginx/sites-enabled/"$domain"
nginx_ensite "$domain"

##------------##
#    Apache    #
##------------##

apt install -y apache2
mv /etc/apache2/ports.conf /etc/apache2/ports.conf.default
echo "Listen 127.0.0.1:8080" | tee /etc/apache2/ports.conf
cp /etc/apache2/sites-available/000-default.conf /etc/apache2/sites-available/"$domain".conf
cat <<EOF > /etc/apache2/sites-available/"$domain".conf
<VirtualHost *:8080>
    ServerAdmin $email
    ServerName $domain
    ServerAlias www.$domain
    DocumentRoot /var/www/$domain/public_html
    ErrorLog \${APACHE_LOG_DIR}/error.log
    CustomLog \${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
EOF
a2ensite "$domain"
a2dissite 000-default

##---------##
#    PHP    #
##---------##

apt install -y libapache2-mod-php php-mysql php-cgi php-common php-pear php-mbstring php-curl php-gd php-intl php-soap php-xml php-xmlrpc php-zip

##----------------##
#    phpMyAdmin    #
##----------------##

apt install -y phpmyadmin
ln -s /usr/share/phpmyadmin /var/www/"$domain"/html/phpmyadmin
# Redirect phpmyadmin -> database
mv /var/www/"$domain"/html/phpmyadmin /var/www/"$domain"/html/database
a2disconf phpmyadmin.conf
systemctl restart apache2

##-------------##
#    Postfix    #
##-------------##

debconf-set-selections <<< "postfix postfix/mailname string $domain"
debconf-set-selections <<< "postfix postfix/main_mailer_type string 'Internet Site'"
apt install -y mailutils
sed -i 's/#inet_interfaces = all/inet_interfaces = loopback-only/g' /etc/postfix/main.cf
sed -i 's/mydestination/#mydestination/g' /etc/postfix/main.cf
sed -i 's/relayhost =/mydestination = '$domain', localhost.'$domain', '$domain'/g' /etc/postfix/main.cf
systemctl restart postfix
cat <<EOF > /etc/aliases
# See man 5 aliases for format
postmaster:    root
root:          $email
EOF
newaliases

##-------------##
#    Netdata    #
##-------------##

if [ $netdata = 1 ]
    then
    apt install -y netdata
    ufw allow 19999/tcp
    # systemctl stop netdata
    # systemctl disable netdata
fi

##---------------##
#    Memcached    #
##---------------##

if [ $memcached = 1 ]
    then
    apt install -y memcached
    systemctl restart memcached
    # systemctl stop memcached
    # systemctl disable memcached
fi

##-----------##
#    Redis    #
##-----------##

if [ $redis = 1 ]
    then
    apt install -y redis-server
    sed -i 's/supervised no/supervised systemd/g' /etc/redis/redis.conf
    sed -i 's/# bind 127.0.0.1 ::1/bind 127.0.0.1 ::1/g' /etc/redis/redis.conf
    sed -i 's/# requirepass foobared/requirepass '$passwd'/g' /etc/redis/redis.conf
    systemctl restart redis
    systemctl restart redis.service
    # systemctl stop redis
    # systemctl stop redis.service
    # systemctl disable redis
    # systemctl disable redis.service
fi

##-------------##
#    Certbot    #
##-------------##

add-apt-repository -y ppa:certbot/certbot
apt install -y python-certbot-apache
#certbot --apache -d $domain -d www.$domain
#sed -i 's/ssl ipv6only/ssl http2 ipv6only/g' /etc/apache2/sites-available/"$domain"
#sed -i 's/listen 443 ssl/listen 443 ssl http2/g' /etc/apache2/sites-available/"$domain"
#sed -i 's#include /etc/letsencrypt/options-ssl-apache.conf;#ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;#g' /etc/apache2/sites-available/"$domain"

##-------------##
#    php.ini    #
##-------------##

sed -i 's/;opcache.memory_consumption=128/opcache.memory_consumption=256/g' /etc/php/7.2/apache2/php.ini
sed -i 's/;opcache.enable=1/opcache.enable=1/g' /etc/php/7.2/apache2/php.ini
sed -i 's/;opcache.interned_strings_buffer=8/opcache.interned_strings_buffer=8/g' /etc/php/7.2/apache2/php.ini
sed -i 's/;opcache.max_accelerated_files=10000/opcache.max_accelerated_files=50000/g' /etc/php/7.2/apache2/php.ini
sed -i 's/;opcache.max_wasted_percentage=5/opcache.max_wasted_percentage=5/g' /etc/php/7.2/apache2/php.ini
sed -i 's/;opcache.revalidate_freq=2/opcache.revalidate_freq=0/g' /etc/php/7.2/apache2/php.ini
sed -i 's/; max_input_vars = 1000/max_input_vars = 10000/g' /etc/php/7.2/apache2/php.ini
systemctl restart apache2

##---------------##
#    Wordpress    #
##---------------##

if [ $wordpress = 1 ]
    then
    db_name="wp_1"
    db_user="wp_1"
    db_pass=$(date +%s|sha256sum|base64|head -c 32)
    mysql -u root -p"$passwd" -e "CREATE DATABASE "$db_name" DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;"
    mysql -u root -p"$passwd" -e "GRANT ALL ON "$db_name".* TO '"$db_user"'@'localhost' IDENTIFIED BY '"$db_pass"';"
    mysql -u root -p"$passwd" -e "FLUSH PRIVILEGES;"
    wget https://wordpress.org/latest.tar.gz -O /tmp/wp.tar.gz
    tar xzvf /tmp/wp.tar.gz -C /tmp
    mv /tmp/wordpress/wp-config-sample.php /tmp/wordpress/wp-config.php
    cp -a /tmp/wordpress/. /var/www/"$domain"/html
    WPSalts=$(wget https://api.wordpress.org/secret-key/1.1/salt/ -q -O -)
cat <<EOF > /var/www/"$domain"/html/wp-config.php
<?php
define('DB_NAME', '$db_name');
define('DB_USER', '$db_user');
define('DB_PASSWORD', '$db_pass');
define('DB_HOST', 'localhost');
define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');
#define( 'WP_SITEURL', '' );
#define( 'WP_HOME', '' );
#define( 'ALTERNATE_WP_CRON', true );
#define('DISABLE_WP_CRON', 'true');
#define('WP_CRON_LOCK_TIMEOUT', 900);
#define('AUTOSAVE_INTERVAL', 300);
define( 'WP_MEMORY_LIMIT', '256M' );
define( 'DISALLOW_FILE_EDIT', true );
#define( 'EMPTY_TRASH_DAYS', 7 );
define( 'NOBLOGREDIRECT', 'https://$domain' );
#define( 'FS_CHMOD_DIR', ( 0755 & ~ umask() ) );
#define( 'FS_CHMOD_FILE', ( 0644 & ~ umask() ) );
#define( 'WP_ALLOW_REPAIR', true );
#define( 'FORCE_SSL_ADMIN', true );
#define( 'AUTOMATIC_UPDATER_DISABLED', true );
#define( 'WP_AUTO_UPDATE_CORE', false );
$WPSalts
\$table_prefix = '$db_name';

define('WP_DEBUG', false);
if ( !defined('ABSPATH') )
	define('ABSPATH', dirname(__FILE__) . '/');

#\$memcached_servers = array(
#    'default' => array(
#        '127.0.0.1:11211'
#    )
#);
#define('WP_REDIS_HOST', '127.0.0.1');
#define('WP_REDIS_PASSWORD', '$passwd');
#define('WP_REDIS_PORT', '6379');
require_once(ABSPATH . 'wp-settings.php');
EOF
fi

##----------------------##
#    WWW Folder Perms    #
##----------------------##

chown -R www-data:www-data /var/www/"$domain"/html

##-----------------##
#    OPCACHE GUI    #
##-----------------##

wget https://raw.githubusercontent.com/amnuts/opcache-gui/master/index.php -O /var/www/"$domain"/html/opcache.php

##--------------##
#    info.php    #
##--------------##

cat > /var/www/"$domain"/html/info.php <<- "EOF"
<?php
phpinfo();
EOF