#!/bin/sh
if diff /usr/local/apache/conf/httpd.conf /usr/local/apache/conf/httpd.conf_old > /dev/null 2>&1
then
echo "NO CHANGES IN HTTPD CONF"
else
echo "HTTPD CHANGED FROM LAST CHECK"
cat /usr/local/apache/conf/httpd.conf > /usr/local/apache/conf/httpd.conf_old
cat > "/usr/local/nginx/conf/nginx.conf" <<EOF
user  nobody;
worker_processes  10;

error_log  logs/error.log info;

worker_rlimit_nofile  8192;

events {
worker_connections  512; # increase for more busy servers
use epoll; # you should use epoll here for Linux kernels 2.6.x
multi_accept on;
}

http {
server_names_hash_max_size 20480000;
server_names_hash_bucket_size 512;

include    mime.types;
default_type  application/octet-stream;

sendfile on;
tcp_nopush on;
tcp_nodelay on;

open_file_cache max=200000 inactive=20s;
open_file_cache_valid 30s;
open_file_cache_min_uses 2;
open_file_cache_errors on;

keepalive_timeout  10;

gzip on;
gzip_min_length  1100;
gzip_buffers  4 32k;
gzip_proxied     expired no-cache no-store private auth;
gzip_comp_level 6;
gzip_types    text/plain application/x-javascript text/xml text/css application/javascript;
ignore_invalid_headers on;

expires    modified +24h;
add_header Cache-Control private;

client_header_timeout  3m;
client_body_timeout 3m;
send_timeout     3m;
connection_pool_size  256;
client_header_buffer_size 4k;
large_client_header_buffers 4 32k;
request_pool_size  4k;
output_buffers   4 32k;
postpone_output  1460;

include "/usr/local/nginx/conf/hostname.conf";
include "/usr/local/nginx/conf/vhost.conf";
}

EOF

VHOSTFILE="/usr/local/nginx/conf/vhost.conf"
HOSTFILE="/usr/local/nginx/conf/hostname.conf"
/bin/cp /dev/null $VHOSTFILE
/bin/cp /dev/null $HOSTFILE

function writevhosts {
for DOMA in $@ ; do
DOMAIN=`echo "$DOMA" | awk -F ":" '{print $1}'`
ROOT=`cat /var/cpanel/userdata/$USER/"$DOMAIN" | grep documentroot | awk '{print $2}'`
ALIASES=`cat /var/cpanel/userdata/$USER/"$DOMAIN" | grep serveralias | sed "s/serveralias: //g" | sed "s/www\.\*\.$DOMAIN//g"`
if [ `echo ${#ROOT}` -lt 2 ]; then
ROOT=/home/$USER/public_html
fi
cat >> "$VHOSTFILE" <<EOF
server {
        access_log logs/access_log;
        error_log  /dev/null;
        listen    80;
        server_name  $DOMAIN $ALIASES;

        gzip on;
        gzip_min_length  1100;
        gzip_buffers  4 32k;
        gzip_proxied     expired no-cache no-store private auth;
        gzip_comp_level 6;
        gzip_types    text/plain application/x-javascript text/xml text/css application/javascript;

        expires    modified +24h;
        add_header Cache-Control private;

        location ~* .(gif|png|wmv|avi|mpg|mpeg|mp4|mp3|wav|zip|tar|gz|rar|7z|jpeg|jpg)$ {
                try_files \$uri @proxy_backend;
                gzip on;
                gzip_vary on;
                expires 1w;
                root   $ROOT;
        }

        location ~* .(js|css)$ {
                try_files \$uri @proxy_backend;
                gzip on;
                gzip_vary on;
                expires 1w;
                root   $ROOT;
        }

        location @proxy_backend {
                client_max_body_size    128m;
               client_body_buffer_size 256k;

               proxy_send_timeout   180;
               proxy_read_timeout   180;
               proxy_buffer_size    16k;
               proxy_buffers     16 32k;
               proxy_busy_buffers_size 64k;
               proxy_temp_file_write_size 64k;
               proxy_connect_timeout 180s;
               fastcgi_buffers 8 16k;
               fastcgi_buffer_size 32k; 

               proxy_redirect  http://www.$DOMAIN:81   http://www.$DOMAIN;
               proxy_redirect  http://$DOMAIN:81   http://$DOMAIN;
                proxy_pass   http://$IP:81;

                proxy_set_header   Host   \$host;
                proxy_set_header   X-Real-IP  \$remote_addr;
                proxy_set_header   X-Forwarded-For \$proxy_add_x_forwarded_for;
        }

        location / {
                client_max_body_size    128m;
                client_body_buffer_size 512k;

                proxy_send_timeout   180;
                proxy_read_timeout   180;
                proxy_buffer_size    1m;
                proxy_buffers     16 1m;
                proxy_busy_buffers_size 1m;
                proxy_temp_file_write_size 1m;
                proxy_connect_timeout 180s;
                fastcgi_buffers 8 16k; 
                fastcgi_buffer_size 32k;

                proxy_redirect  http://www.$DOMAIN:81   http://www.$DOMAIN;
                proxy_redirect  http://$DOMAIN:81   http://$DOMAIN;
                proxy_pass   http://$IP:81;

                proxy_set_header   Host   \$host;
                proxy_set_header   X-Real-IP  \$remote_addr;
                proxy_set_header   X-Forwarded-For \$proxy_add_x_forwarded_for;
        }
}
EOF
done 
}

cd /var/cpanel/users
for USER in *; do
	TOTALLINES=`cat /var/cpanel/userdata/$USER/main|wc -l`
	SUBLINE=`grep -n sub_domains /var/cpanel/userdata/$USER/main | awk -F ":" '{print $1}'`
	IP=`cat /var/cpanel/users/$USER|grep ^IP|cut -d= -f2`;
	if [ `echo ${#IP}` -lt 4 ]; then
		IP=`cat /var/cpanel/mainip`
	fi
#SUBDOMAIN and ADDONS
	TOT1=`echo "$TOTALLINES-$SUBLINE" | bc`
	for SUB in `cat /var/cpanel/userdata/$USER/main | tail -n $TOT1 | awk '{print $2}' | xargs -L100` ; do
		writevhosts $SUB
	done
#MAIN DOMAIN and his aliases
	DOMAIN=`grep main_domain /var/cpanel/userdata/$USER/main | awk '{print $2}' `
	writevhosts $DOMAIN
done

for IP in `ip a | grep "global" | grep -v "inet6" | awk '{print$2}' | awk -F/ '{print$1}'`; do
DOMAIN=`cat /var/cpanel/userdata/nobody/main | grep "main_domain" | awk '{print$2}'`
cat >> "$HOSTFILE" <<EOF
server {
        access_log logs/access_log;
        error_log  /dev/null;
        listen    80;
        server_name  $IP;
        root   /usr/local/apache/htdocs/;

        location @proxy_backend {
                client_max_body_size    128m;
               client_body_buffer_size 256k;

               proxy_send_timeout   180;
               proxy_read_timeout   180;
               proxy_buffer_size    16k;
               proxy_buffers     16 32k;
               proxy_busy_buffers_size 64k;
               proxy_temp_file_write_size 64k;
               proxy_connect_timeout 180s;
               fastcgi_buffers 8 16k;
               fastcgi_buffer_size 32k;

               proxy_redirect  http://$DOMAIN:81   http://$DOMAIN;
                proxy_pass   http://$IP:81;

                proxy_set_header   Host   \$host;
                proxy_set_header   X-Real-IP  \$remote_addr;
                proxy_set_header   X-Forwarded-For \$proxy_add_x_forwarded_for;
        }
        location / {
                client_max_body_size    128m;
                client_body_buffer_size 512k;

                proxy_send_timeout   180;
                proxy_read_timeout   180;
                proxy_buffer_size    1m;
                proxy_buffers     16 1m;
                proxy_busy_buffers_size 1m;
                proxy_temp_file_write_size 1m;
                proxy_connect_timeout 180s;
                fastcgi_buffers 8 16k;
                fastcgi_buffer_size 32k;

                proxy_redirect  http://$DOMAIN:81   http://$DOMAIN;
                proxy_pass   http://$IP:81;

                proxy_set_header   Host   \$host;
                proxy_set_header   X-Real-IP  \$remote_addr;
                proxy_set_header   X-Forwarded-For \$proxy_add_x_forwarded_for;
        }
}
EOF
done

/etc/init.d/nginx restart

fi
echo "DONE"