#!/usr/bin/env bash
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x

# latest stable NGINX 1.4.x with websocket support
add-apt-repository -y ppa:nginx/stable
apt-get update
apt-get install -y nginx dnsutils

if ! grep -q dokku-nginx-reload "/etc/sudoers"; then
  touch /etc/sudoers.tmp
  cp /etc/sudoers /tmp/sudoers.new
  echo "%dokku ALL=(ALL)NOPASSWD:/etc/init.d/nginx reload # dokku-nginx-reload" >> /tmp/sudoers.new
  EDITOR="cp /tmp/sudoers.new" visudo
  rm /tmp/sudoers.new
fi

# if dokku.conf has not been created, create it
if [[ ! -f /etc/nginx/conf.d/dokku.conf ]]; then
  cat<<EOF > /etc/nginx/conf.d/dokku.conf
include $DOKKU_ROOT/*/nginx.conf;

ssl_session_cache shared:SSL:20m;
ssl_session_timeout 10m;

ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES128-SHA:AES128-GCM-SHA256:RC4:HIGH:!MD5:!aNULL:!EDH:!CAMELLIA;
ssl_protocols TLSv1.2 TLSv1.1 TLSv1;
ssl_prefer_server_ciphers on;

#ssl_certificate $DOKKU_ROOT/tls/server.crt;
#ssl_certificate_key $DOKKU_ROOT/tls/server.key;
EOF
fi
sed -i 's/# server_names_hash_bucket_size/server_names_hash_bucket_size/' /etc/nginx/nginx.conf

if [[ ! -f  "$DOKKU_ROOT/VHOST" ]]; then
  [[ $(dig +short $(< "$DOKKU_ROOT/HOSTNAME")) ]] && cp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/VHOST"
fi

/etc/init.d/nginx start