Dislocker unlock script

#!/bin/bash
#requirementes: dislocker,zenity
DFILE_LOCATION="/tmp/DFILE"
DRIVE_MOUNTPOINT="/mnt/UnlockedDrive"


if ! type zenity > /dev/null; then
  echo "Please install 'Zenity'";
  exit;
fi


if ! type dislocker > /dev/null; then
  zenity --error --tittle="Dislocker Not Found" --text="Dislocker has not been found on your system. Please install, and retry."
  exit;
fi

#If everythng seems to be OK, continue.

SUPASSWORD=$(zenity --password --title="Authenticate" --text="In order to continue, SuperUser Passwrod is required")


#Check if exists, otherwise create a folder to mount dislocker-image

if [ ! -d $DFILE_LOCATION ]; then
  # Control will enter here if $DIRECTORY doesn't exist.
  echo $SUPASSWORD | sudo -S mkdir $DFILE_LOCATION
fi

if [ ! -d $DRIVE_MOUNTPOINT ]; then
  # Control will enter here if $DIRECTORY doesn't exist.
  echo $SUPASSWORD | sudo -S mkdir $DRIVE_MOUNTPOINT
fi


lockedDrive=$(find /dev -mindepth 1 -maxdepth 1  -name "*[sh]d[a-z][0-9]"  | sort | awk '{ printf "FALSE""\0"$0"\0" }' | \
xargs -0 zenity --list --title="Root Partition" --text="Select the locked partition to unlock." \
--radiolist --multiple --column ' ' --column 'Partitions')

lockedDrivePSW=$(zenity --password --title="Locked Drive" --text="Please type Locked Drive Password")

if [ ! -f "$DFILE_LOCATION"/dislocker-file ]; then
  # Control will enter here if file does not.
  echo $SUPASSWORD | sudo -S dislocker -v -V $lockedDrive  -u$lockedDrivePSW -- $DFILE_LOCATION
  echo $SUPASSWORD | sudo -S mount -o loop $DIRECTORY_DFILE_LOCATION/dislocker-file $DRIVE_MOUNTPOINT
fi