#==============================================================================
#   UBUNTU 18.04 BASH SCRIPT
#==============================================================================    
#   top -o %MEM -> See Memory consumption
#   apt-get update -y && apt-get upgrade -y && apt-get dist-upgrade -y
#   do-release-upgrade -d
#
# 	Add ssl_dhparam 
#==============================================================================

#-------------------#
#       LEMP        #
#-------------------#

apt install nginx mysql-server-5.7 -y
mysql_secure_installation
mysql -u root -p"$passwd" -e "SELECT user,authentication_string,plugin,host FROM mysql.user;"
mysql -u root -p"$passwd" -e "ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '"$passwd"';"
mysql -u root -p"$passwd" -e "FLUSH PRIVILEGES;"
mysql -u root -p"$passwd" -e "SELECT user,authentication_string,plugin,host FROM mysql.user;"
apt install php-fpm php-mysql php-cgi php-common php-pear php-mbstring php-curl php-gd php-intl php-soap php-xml php-xmlrpc php-zip -y

#-------------------#
#    NGINX CONFIG   #
#-------------------#

mkdir -p /var/www/"$domain"/html
chmod -R 755 /var/www
cat <<EOF > /etc/nginx/sites-available/$domain
fastcgi_cache_path /etc/nginx/cache levels=1:2 keys_zone=MYAPP:100m max_size=10g inactive=1440m;
        
server {
        listen 80;
        listen [::]:80;
        root /var/www/$domain/html;
        index index.php index.html index.htm index.nginx-debian.html;
        server_name $domain www.$domain;
        #return 301 \$scheme:/\$domain\$request_uri; Redirect to non-www
        #return 301 https://domein.nl$request_uri; Redirect to other domain

         location = /netdata {
        return 301 /netdata/;
        }

        location ~ /netdata/(?<ndpath>.*) {
        proxy_redirect off;
        proxy_set_header Host \$host;

        proxy_set_header X-Forwarded-Host \$host;
        proxy_set_header X-Forwarded-Server \$host;
        proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
        proxy_http_version 1.1;
        proxy_pass_request_headers on;
        proxy_set_header Connection "keep-alive";
        proxy_store off;
        proxy_pass http://netdata/\$ndpath\$is_args\$args;
        }
        gzip on;
        gzip_proxied any;
        gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml;
        gzip_min_length 1000;
        gzip_comp_level 2;
        gzip_disable "msie6";
        gzip_buffers 16 8k;


        location / {
                #try_files \$uri \$uri/ =404;
                try_files \$uri \$uri/ /index.php\$is_args\$args;
        }

        location = /favicon.ico { log_not_found off; access_log off; }
        location = /robots.txt { log_not_found off; access_log off; allow all; }
        location ~* \.(css|gif|ico|jpeg|jpg|js|png|svg|eot|otf|woff|woff2|ttf|ogg)$ {
        expires max;
        log_not_found off;
        }
        
         location ~ \.php$ {
                include snippets/fastcgi-php.conf;
                fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
                fastcgi_cache MYAPP;
                fastcgi_cache_valid 200 302 301 1m;
                fastcgi_cache_valid 404 1m;
                fastcgi_cache_bypass \$no_cache;
                fastcgi_no_cache \$no_cache;
                fastcgi_cache_revalidate on;
                fastcgi_cache_background_update on;
                fastcgi_cache_lock on;
                fastcgi_cache_use_stale updating;
                fastcgi_buffer_size 128k;
                fastcgi_buffers 256 16k;
                fastcgi_busy_buffers_size 256k;
                fastcgi_temp_file_write_size 256k;
        }

        location ~ /\.ht {
                deny all;
        }

         location /phpmyadmin {
            index index.php;
        }

        #Cache everything by default
            set \$no_cache 0;

            #Don't cache POST requests
            if (\$request_method = POST)
            {
            set \$no_cache 1;
            }

            #Don't cache if the URL contains a query string
            if (\$query_string != "")
            {
            set \$no_cache 1;
            }

            #Don't cache the following URLs
            if (\$request_uri ~* "/(administrator/|login.php)")
            {
            set \$no_cache 1;
            }

            #Don't cache if there is a cookie called PHPSESSID
            if (\$http_cookie = "PHPSESSID")
            {
            set \$no_cache 1;
            }
}
EOF
cat <<EOF > /etc/nginx/nginx.conf
user www-data;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;

events {
	worker_connections 1024;
}

http {

    fastcgi_cache_key \$scheme\$request_method\$host\$request_uri;
    add_header X-Cache "\$upstream_cache_status";
    
	sendfile on;
	tcp_nopush on;
	tcp_nodelay on;
	keepalive_timeout 65;
	types_hash_max_size 2048;
	# server_tokens off;
    
    client_body_buffer_size 10K;
    client_header_buffer_size 1k;
    client_max_body_size 8m;
    large_client_header_buffers 4 4k;

	server_names_hash_bucket_size 64;

	include /etc/nginx/mime.types;
	default_type text/html;

	ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
	ssl_prefer_server_ciphers on;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    ssl_session_cache shared:SSL:20m;
    ssl_session_timeout 180m;

    #access_log /var/log/nginx/access.log;
    access_log off;
    error_log /var/log/nginx/error.log;

    gzip on;
    gzip_proxied any;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml;
    gzip_min_length 1000;
    gzip_comp_level 2;
    gzip_disable "msie6";
    gzip_buffers 16 8k;

	include /etc/nginx/conf.d/*.conf;
	include /etc/nginx/sites-enabled/*;
}
EOF
cat <<EOF > /etc/nginx/sites-available/default
    #fastcgi_cache_key \$scheme\$request_method\$host\$request_uri;
    #add_header X-Cache "\$upstream_cache_status";
    
    #add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    #ssl_session_cache shared:SSL:20m;
    #ssl_session_timeout 180m;
    #client_body_buffer_size 10K;
    #client_header_buffer_size 1k;
    #client_max_body_size 8m;
    #large_client_header_buffers 4 4k;
    #access_log off;
    
    upstream netdata {
    server 127.0.0.1:19999;
    keepalive 64;
}
    
    server {
	listen 80 default_server;
	listen [::]:80 default_server;
    
    location = /netdata {
        return 301 /netdata/;
   }

   location ~ /netdata/(?<ndpath>.*) {
        proxy_redirect off;
        proxy_set_header Host \$host;

        proxy_set_header X-Forwarded-Host \$host;
        proxy_set_header X-Forwarded-Server \$host;
        proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
        proxy_http_version 1.1;
        proxy_pass_request_headers on;
        proxy_set_header Connection "keep-alive";
        proxy_store off;
        proxy_pass http://netdata/\$ndpath\$is_args\$args;

        gzip on;
        gzip_proxied any;
        gzip_types *;
    }

	root /var/www/html;
	index index.php index.html index.htm index.nginx-debian.html;

	server_name _;

	location / {
		try_files \$uri \$uri/ =404;
	}
    
    # pass PHP scripts to FastCGI server
	location ~ \.php$ {
		include snippets/fastcgi-php.conf;
	
		# With php-fpm (or other unix sockets):
		fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
		# With php-cgi (or other tcp sockets):
		#fastcgi_pass 127.0.0.1:9000;
	}
}
EOF
ln -s /etc/nginx/sites-available/$domain /etc/nginx/sites-enabled/
sed -i 's/#cgi.fix_pathinfo=1/cgi.fix_pathinfo=0/g' /etc/php/7.2/fpm/php.ini
systemctl reload nginx

#-------------------#
#     PHPMYADMIN    #
#-------------------#

apt-get install phpmyadmin -y
ln -s /usr/share/phpmyadmin /var/www/"$domain"/html
systemctl restart php7.2-fpm
# Redirect phpmyadmin -> database
mv /var/www/"$domain"/html/phpmyadmin /var/www/"$domain"/html/database

#-------------------#
#      POSTFIX      #
#-------------------#

apt install mailutils -y
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
	bash <(curl -Ss https://my-netdata.io/kickstart.sh)
	ufw allow 19999/tcp
	# systemctl stop netdata
	# systemctl disable netdata
fi

#-------------------#
#     MEMCACHED     #
#  127.0.0.1:11211  #
#-------------------#
if [ $memcached = 1 ]
	then
	apt-get install memcached -y
	systemctl restart memcached
	# systemctl stop memcached
	# systemctl disable memcached
fi
#-------------------#
#       REDIS       #
#  127.0.0.1:6379   #
#-------------------#
if [ $redis = 1 ]
	then
	apt install redis-server -y
	sed -i 's/supervised no/supervised systemd/g' /etc/redis/redis.conf
	sed -i 's/# bind 127.0.0.1 ::1/bind 127.0.0.1 ::1/g' /etc/redis/redis.conf
	sed -i 's/# requirepass foobared/requirepass '$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 ppa:certbot/certbot
apt install python-certbot-nginx -y
ufw allow 443/tcp
#certbot --nginx -d $domain -d www.$domain
#sed -i 's/ssl ipv6only/ssl http2 ipv6only/g' /etc/nginx/sites-available/"$domain"
#sed -i 's/listen 443 ssl/listen 443 ssl http2/g' /etc/nginx/sites-available/"$domain"
#sed -i 's#include /etc/letsencrypt/options-ssl-nginx.conf;#ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;#g' /etc/nginx/sites-available/"$domain"
#check certbot auto-renewal -> certbot renew --dry-run

#-------------------#
#      PHP.ini      #
#-------------------#

sed -i 's/;opcache.memory_consumption=128/opcache.memory_consumption=256/g' /etc/php/7.2/fpm/php.ini
sed -i 's/;opcache.enable=1/opcache.enable=1/g' /etc/php/7.2/fpm/php.ini
sed -i 's/;opcache.interned_strings_buffer=8/opcache.interned_strings_buffer=8/g' /etc/php/7.2/fpm/php.ini
sed -i 's/;opcache.max_accelerated_files=10000/opcache.max_accelerated_files=50000/g' /etc/php/7.2/fpm/php.ini
sed -i 's/;opcache.max_wasted_percentage=5/opcache.max_wasted_percentage=5/g' /etc/php/7.2/fpm/php.ini
sed -i 's/;opcache.revalidate_freq=2/opcache.revalidate_freq=0/g' /etc/php/7.2/fpm/php.ini
sed -i 's/; max_input_vars = 1000/max_input_vars = 10000/g' /etc/php/7.2/fpm/php.ini
systemctl restart php7.2-fpm.service

#-------------------#
#    WP - INSTALL   #
#-------------------#

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
    chown -R www-data:www-data /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

#----------------#
#    PHP.info    #
#----------------#

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