wp-create.sh

#!/bin/bash

# Generate a random password
#  $1 = number of characters; defaults to 32
#  $2 = include special characters; 1 = yes, 0 = no; defaults to 1
function randpass() {
  [ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
    cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-32}
    echo
}

domain=$1
database=${domain//\./_}

if [ ${#domain} -gt 15 ]
then
   username=${database//[aeiou]} 
   username=${username:0:15}
else 
   username=$database
fi

password=`randpass 31 0`
nginx_conf_directory=/etc/nginx/conf.d
output_directory=/usr/share/nginx
sql_grant="CREATE DATABASE ${database};GRANT ALL ON $database.* TO '$username'@'localhost' IDENTIFIED BY '$password';FLUSH PRIVILEGES;"

EXPECTED_ARGS=1
E_BADARGS=65

if [ $# -ne $EXPECTED_ARGS ]
then
  echo "Usage: `basename $0` {hostname}"
  exit $E_BADARGS
fi

mkdir /tmp/$domain
wget http://wordpress.org/latest.tar.gz -O /tmp/$domain/latest.tar.gz
cd /tmp/$domain
tar -xvf latest.tar.gz >/dev/null
mv /tmp/$domain/wordpress $output_directory/$domain
echo $password
mysql -uroot -p -e "${sql_grant}"
rm -r /tmp/$domain
echo "
#
# A virtual host using mix of IP-, name-, and port-based configuration
#

server {
    listen       80;
    server_name  $domain;

    root   $output_directory/$domain;
    location / {
        index  index.html index.php index.htm;

        if (-f \$request_filename) {
          expires 30d;
          break;
        }
        if (!-e \$request_filename) {
          rewrite ^(.+)$ /index.php?q=\$1 last;
        }
    }
location ~ \.php$ {
     # Filter out arbitrary code execution
    location ~ \..*/.*\.php$ {return 404;}

    include fastcgi_params;
    fastcgi_pass unix:/tmp/php.socket;
    fastcgi_param  SCRIPT_FILENAME \$document_root\$fastcgi_script_name;
    fastcgi_param PHP_VALUE "error_log=/var/log/nginx/$domain.php.error.log";

    }
}
" >$nginx_conf_directory/$domain.conf

echo "<?php
/**
 * The base configurations of the WordPress.
 *
 * This file has the following configurations: MySQL settings, Table Prefix,
 * Secret Keys, WordPress Language, and ABSPATH. You can find more information
 * by visiting {@link http://codex.wordpress.org/Editing_wp-config.php Editing
 * wp-config.php} Codex page. You can get the MySQL settings from your web host.
 *
 * This file is used by the wp-config.php creation script during the
 * installation. You don't have to use the web site, you can just copy this file
 * to \"wp-config.php\" and fill in the values.
 *
 * @package WordPress
 */

// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define('DB_NAME', '$database');

/** MySQL database username */
define('DB_USER', '$username');

/** MySQL database password */
define('DB_PASSWORD', '$password');

/** MySQL hostname */
define('DB_HOST', 'localhost');

/** Database Charset to use in creating database tables. */
define('DB_CHARSET', 'utf8');

/** The Database Collate type. Don't change this if in doubt. */
define('DB_COLLATE', '');

/**#@+
 * Authentication Unique Keys and Salts.
 *
 * Change these to different unique phrases!
 * You can generate these using the {@link https://api.wordpress.org/secret-key/1.1/salt/ WordPress.org secret-key service}
 * You can change these at any point in time to invalidate all existing cookies. This will force all users to have to log in again.
 *
 * @since 2.6.0
 */
" >$output_directory/$domain/wp-config.php
wget -qO- https://api.wordpress.org/secret-key/1.1/salt >>$output_directory/$domain/wp-config.php
echo "/**#@-*/

/**
 * WordPress Database Table prefix.
 *
 * You can have multiple installations in one database if you give each a unique
 * prefix. Only numbers, letters, and underscores please!
 */
\$table_prefix  = 'wp_';

/**
 * WordPress Localized Language, defaults to English.
 *
 * Change this to localize WordPress. A corresponding MO file for the chosen
 * language must be installed to wp-content/languages. For example, install
 * de_DE.mo to wp-content/languages and set WPLANG to 'de_DE' to enable German
 * language support.
 */
define('WPLANG', '');

/**
 * For developers: WordPress debugging mode.
 *
 * Change this to true to enable the display of notices during development.
 * It is strongly recommended that plugin and theme developers use WP_DEBUG
 * in their development environments.
 */
define('WP_DEBUG', false);

/* That's all, stop editing! Happy blogging. */

/** Absolute path to the WordPress directory. */
if ( !defined('ABSPATH') )
	define('ABSPATH', dirname(__FILE__) . '/');

/** Sets up WordPress vars and included files. */
require_once(ABSPATH . 'wp-settings.php');" >>$output_directory/$domain/wp-config.php