Automates the process of creating a google-authenticator-apache-module user token

gauth_automated.sh

#!/bin/bash
GAUTH=ubuntu
unset user
unset password
unset secret

function getPass {
	getpass=true
	while [ "$getpass" = true ]
	do
		unset pass1
		unset pass2
		prompt="Enter Password: "
		while IFS= read -p "$prompt" -r -s -n 1 char
		do
		    if [[ $char == $'\0' ]]
		    then
		        break
		    fi
		    prompt='*'
		    pass1+="$char"
		done
		echo
		prompt="Confirm Password: "
		while IFS= read -p "$prompt" -r -s -n 1 char
		do
		    if [[ $char == $'\0' ]]
		    then
		        break
		    fi
		    prompt='*'
		    pass2+="$char"
		done
		echo
		if [ "$pass1" = "$pass2" ]; then
			echo "Passwords match!"
			password=$pass1
			getpass=false	
		else
			clear
			echo "Passwords do not match dummy"
		fi
	done
}

if [ "$(id -u)" != "0" ]; then
	echo -e "Must run as root! Try:\nsudo $0"
	exit 1
fi

# Get username and santize
clear
echo -n "Enter username: "
read -e user

CLEAN=${user//_/}
# next, replace spaces with underscores
CLEAN=${CLEAN// /_}
# now, clean out anything that's not alphanumeric or an underscore
CLEAN=${CLEAN//[^a-zA-Z0-9_]/}
# finally, lowercase with TR
CLEAN=`echo -n $CLEAN | tr A-Z a-z`
user=$CLEAN

getPass
echo -e "\n\nCreating new user $user..."

# Create a new gauth token and copy to two-factor dir
google-authenticator < response 1>/dev/null
cd /etc/apache2/two-factor
cp /home/$GAUTH/.google_authenticator $user
sudo chmod 777 $user
echo "\" PASSWORD=$password" >> $user
chown -R :www-data /etc/apache2/two-factor/$user
chmod 440 $user

echo -e "\nYour apache two-factor account is ready to go! Your QR code is located at:"
read -r secret <$user
echo "https://www.google.com/chart?chs=200x200&chld=M|0&cht=qr&chl=otpauth://totp/$user@ACEServer%3Fsecret%3D$secret"