#!/bin/bash
#
# vhost-stack
# https://git.stack-source.com/msb/vhost-stack
# Copyright (c) 2022 Matthew Saunders Brown <matthewsaundersbrown@gmail.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

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

help()
{
  thisfilename=$(basename -- "$0")
  echo "Create CGI Wrapper for virtualhost."
  echo ""
  echo "usage: $thisfilename --d <domain> [-h]"
  echo ""
  echo "  -h            Print this help."
  echo "  -d <domain>   Domain name of VirtualHost to create cgi-wrapper for."
  exit
}

vhost:getoptions "$@"

# check for domain (virtualhost)
if [[ -z $domain ]]; then
  echo "domain is required"
  exit
fi

if [[ -d "/srv/www/$domain" ]]; then
  # get and set $username
  username=$(stat -c '%U' /srv/www/$domain)
else
  echo "VirtualHost dir for $domain does not exist."
  exit 1
fi

if [[ -f /usr/local/lib/cgi-wrap/$domain/cgiwrap ]]; then
  echo "cgi-wrapper for $domain already exists"
  exit 1
fi

if ! grep -q ":/usr/jails/$username/./home/$username:" /etc/passwd; then
  echo "$username must be jailed before creating cgi-wrapper."
  exit 1
fi

if [[ -d /usr/jails/$username ]]; then
  if [[ ! -d /usr/jails/$username/usr/jails/$username/ ]]; then
    mkdir -p /usr/jails/$username/usr/jails/$username/
    cd /usr/jails/$username/usr/jails/$username/
    ln -s /home ./home
  fi
else
  echo "Jail dir for $username does not exist."
  exit 1
fi

if [[ ! -d /srv/www/$domain/cgi-bin ]]; then
  install --owner=$username --group=$username --mode=755 --directory /srv/www/$domain/cgi-bin
fi

if [[ ! -d /usr/local/lib/cgi-wrap/$domain ]]; then
  mkdir -p /usr/local/lib/cgi-wrap/$domain
fi

cd /usr/local/src

if [[ -d cgiwrap-4.1 ]]; then
  rm -r cgiwrap-4.1
fi

if [[ ! -f cgiwrap-4.1.tar.gz ]]; then
  wget --quiet https://github.com/cgiwrap/cgiwrap/releases/download/cgiwrap-4.1/cgiwrap-4.1.tar.gz
fi

if [[ -f cgiwrap-4.1.tar.gz ]]; then
  tar zxf cgiwrap-4.1.tar.gz
else
  echo "cgiwrap-4.1.tar.gz does not exist and failed to download"
  exit 1
fi

cd cgiwrap-4.1
./configure --with-chroot=/usr/jails/$username --with-rlimit-core=0 --with-rlimit-cpu=60 --without-redirect-stderr --without-logging-file --with-httpd-user=www-data --with-cgi-dir=$domain/cgi-bin --with-install-dir=/usr/local/lib/cgi-wrap/$domain --with-wall --with-local-contact-email=webmaster@$domain
make
make install

echo "Make sure the desired scripting languages are installed in the $username jail. e.g.:"
echo "jk_init -k -j /usr/jails/$username perl"
echo "jk_init -k -j /usr/jails/$username python3"
echo "jk_init -k -j /usr/jails/$username ruby"