#!/usr/bin/env bash

user="worker"
pass="qwedsa"

id $user 2>/dev/null
if [ $? -ne 0 ]; then
    adduser --disabled-password --gecos "" "$user"
fi

cat > /home/worker/vnc.exp <<EOL
#!/usr/bin/expect -f

set force_conservative 0  ;# set to 1 to force conservative mode even if
			  ;# script wasn't run conservatively originally
if {\$force_conservative} {
	set send_slow {1 .1}
	proc send {ignore arg} {
		sleep .1
		exp_send -s -- \$arg
	}
}

set timeout -1
spawn vncpasswd
match_max 100000
expect -exact "Password: "
send -- "$pass\r"
expect -exact "Verify:   "
send -- "$pass\r"
expect -exact "Would you like to enter a view-only password (y/n)? "
send -- "n\r"
expect eof
EOL

chown -R worker:worker /home/worker/
su - "$user" -c "/usr/bin/expect /home/worker/vnc.exp"