crypt-decrypt

#!/bin/bash

PROPERTIES_FILE='default.properties'
HASH_PROPERTY='download.password'

exists_property() {
	local __property="$1"
        grep -Eqs "^$__property" "$PROPERTIES_FILE"
}

get_password() {	
	if exists_property "$HASH_PROPERTY"; then
                password=$(grep "$HASH_PROPERTY" "$PROPERTIES_FILE" | cut -f2 -d=) 
                sed -i "/$HASH_PROPERTY/d" "$PROPERTIES_FILE"
	else
                echo "Type your Liferay password:"
	        read -s password
	fi
}

encrypt() {
        get_password
	local __hash=$(printf "$password" | openssl enc -aes-256-ctr | xxd -p)
        echo $HASH_PROPERTY=$__hash >> "$PROPERTIES_FILE"
}

decrypt() {
	if exists_property "$HASH_PROPERTY"; then
		local __hash=$(grep "$HASH_PROPERTY" "$PROPERTIES_FILE" | cut -f2 -d=)
		echo $(printf "$__hash" | xxd -p -r | openssl aes-256-ctr -d)
	fi
}

case "$1" in
  enc) encrypt ;;
  dec) decrypt ;;
    *) echo "Usage $0: [enc|dec]" ;;
esac