#!/bin/bash
#
# vhost-stack
# https://git.stack-source.com/msb/vhost-stack
# MIT License Copyright (c) 2021 Matthew Saunders Brown

# load include file
source $(dirname $0)/vhost.sh

help()
{
  thisfilename=$(basename -- "$0")
  echo "Add virtualhost to this server."
  echo ""
  echo "usage: $thisfilename virtualhost username [OPTIONS]"
  echo ""
  echo "  -h            Print this help."
  echo ""
  echo "                Username must already exist. If need be run vhost-user-add.sh first."
  echo "                Or use vhost-deploy.sh instead to automatically generate username."
  exit
}

# check for and set virtualhost & username
if [ -n "$1" ]; then
  if [ $1 == "-h" ]; then
    help
  else
    # virtualhost
    if vhost::validate_domain $1; then
      virtualhost="${1,,}"
    else
      echo "ERROR: $1 is not a valid domain name."
      exit 1
    fi
    # username
    if [ -n "$2" ]; then
      if [ $2 == "-h" ]; then
        help
      else
        username="${2,,}"
      fi
    else
      echo "username not set"
      exit 1
    fi
    # last check for -h
    if [ -n "$3" ]; then
      if [ $3 == "-h" ]; then
        help
      fi
    fi
  fi
else
  help
fi

if [ ! -d /home/$username ]; then
  echo "home dir for $username does not exist"
  exit 1
fi

if [ -d /srv/www/$virtualhost ]; then
  chown $username:$username /srv/www/$virtualhost
  chmod 755 /srv/www/$virtualhost
else
  install -d -o $username -g $username -m 755 /srv/www/$virtualhost
fi

if [ -d /srv/www/$virtualhost/html ]; then
  chown $username:$username /srv/www/$virtualhost/html
  chmod 755 /srv/www/$virtualhost/html
else
  install -d -o $username -g $username -m 755 /srv/www/$virtualhost/html
fi

if [ ! -e /home/$username/$virtualhost ]; then
  ln -s /srv/www/$virtualhost /home/$username/$virtualhost
  chown -h $username:$username /home/$username/$virtualhost
fi

if [ -d /usr/jails/$username ]; then
  if [ ! -d /usr/jails/$username/srv/www/$virtualhost ]; then
    install -d -o $username -g $username -m 755 /usr/jails/$username/srv/www/$virtualhost
    mount --bind /srv/www/$virtualhost /usr/jails/$username/srv/www/$virtualhost
    echo "/srv/www/$virtualhost /usr/jails/$username/srv/www/$virtualhost none bind 0 0" >> /etc/fstab.jails
  fi
fi

# php-fpm pool
vhost::set-phpVersion
if [ ! -f /etc/php/$phpVersion/fpm/pool.d/$username.conf ]; then
  # create /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "[$username]" > /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "user = $username" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "group = $username" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  if [ -d /usr/jails/$username ]; then
    echo "chroot = /usr/jails/$username" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  fi
  echo "listen = /run/php/php$phpVersion-fpm-$username.sock" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "listen.owner = www-data" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "listen.group = www-data" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "pm = ondemand" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "pm.max_children = 12" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "pm.process_idle_timeout = 3s;" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -fwebmaster@$virtualhost" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  # restart php$phpVersion-fpm
  if systemctl is-active --quiet php$phpVersion-fpm ; then
    if /usr/sbin/php-fpm$phpVersion -t >/dev/null 2>&1 ; then
      systemctl reload php$phpVersion-fpm
    else
      echo "WARNING: php-fpm$phpVersion configuration test failed"
    fi
  fi
fi

# create & enable apache config
/usr/local/bin/vhost-enable.sh VHostHTTP $virtualhost