#!/bin/bash

############################################################################################################################
# Author		: Decorous @ Hackforums.net (https://hackforums.net/member.php?action=profile&uid=3360107)
# Description	: A Squid3 proxy server installer using username & password based authentication with no logging for Ubuntu
# Usage			: Save this file as SPSI then run : bash SPSI [port] [username] [password] (ex: bash SPSI 1337 foo bar)
############################################################################################################################

if [ "$#" -ne 3 ]; then
    exit 1
fi

clear

echo "============================================="
echo "Squid 3 Proxy Server Installer"
echo "============================================="

IP=$(curl -s http://ident.me |cut -d " " -f 5)
PORT=$1
USERNAME=$2
PASSWORD=$3

sleep 5
echo "Updating system ..."
sudo apt-get -y update &> /dev/null
echo "Installing Squid3 ..."
sudo apt-get -y install apache2-utils squid3 &> /dev/null
echo "Configuring username & password ..."
sudo htpasswd -b -c /etc/squid3/passwd $USERNAME $PASSWORD &> /dev/null
echo "Copying original Squid3 config file ..."
sudo mv /etc/squid3/squid.conf /etc/squid3/squid.conf.sample
echo "Downloading custom Squid3 config file ..."
sudo wget --no-check-certificate -O /etc/squid3/squid.conf http://pastebin.com/raw/cm2vSJzs &> /dev/null
echo "http_port $PORT" | cat - /etc/squid3/squid.conf > tmp && mv tmp /etc/squid3/squid.conf
sudo cp /etc/init/squid3.conf /etc/init.d/squid3
echo "Creating domain BlackList file ..."
sudo touch /etc/squid3/blacklist.acl
echo "Starting Squid3 service ..."
sudo service squid3 restart &> /dev/null
echo "Enabling Squid3 as a service ..."
sudo update-rc.d squid3 defaults &> /dev/null
echo "Allowing port in IPTables ..."
sudo iptables -I INPUT -p tcp --dport $PORT -j ACCEPT &> /dev/null
echo "Saving IPTables ..."
sudo iptables-save &> /dev/null

echo "Done!"
echo "============================================="
echo "IP       : $IP"
echo "Port     : $PORT"
echo "Username : $USERNAME"
echo "Password : $PASSWORD"
echo "============================================="
echo "Happy browsing! :)"
echo "============================================="