backup-decrypt

#!/bin/bash
echo -e "===== BACKUP DECRYPTOR =================================="
echo ""
dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
file=$1
argkey=$2
privatekey=$dir/backup-key-private.pem
if [ ! -f "$privatekey" ]; then
	echo "   Private key $privatekey not found!"
else
if [ -f "$file" ]; then
	dirkey=$(openssl rand -hex 16)
	dirkey=decrypt_backup_$dirkey
	mkdir "$dirkey"

	tar -zxvf $file -C $dirkey > /dev/null 2>&1
	base64 -d $dirkey/encrypted-key.txt > $dirkey/decrypted-key.txt
	key=$(openssl rsautl -decrypt -inkey $privatekey < $dirkey/decrypted-key.txt)

	if [ "$argkey" = "-key" ]
	then
		echo "   Passphrase of $1"
		echo -e "   \e[1m$key\e[0m"
	else
		zipfile=$file
		zipfile=${zipfile%.tar.gz}
		7za e -y -p$key $dirkey/$zipfile.zip > /dev/null 2>&1
		echo -e "   \e[1m$file \e[0mdecrypted to \e[1m$zipfile\e[0m"
	fi

	rm -rf $dirkey
else
	echo "   File $file not found!"
fi
fi
echo ""
echo -e "========================================================="