def authenticate(self, configurationAttributes, requestParameters, step):
        authenticationService = CdiUtil.bean(AuthenticationService)

        if step == 1:
            print "Basic (lock account). Authenticate for step 1"
            facesMessages = CdiUtil.bean(FacesMessages)
            facesMessages.setKeepMessages()
            identity = CdiUtil.bean(Identity)
            credentials = identity.getCredentials()
            user_name = credentials.getUsername()
            user_password = credentials.getPassword()
            cacheService = CdiUtil.bean(CacheService)
            userService = CdiUtil.bean(UserService)


            logged_in = False
            if (StringHelper.isNotEmptyString(user_name) and StringHelper.isNotEmptyString(user_password)):
                try:
                    logged_in = authenticationService.authenticate(user_name, user_password)
                except AuthenticationException:
                    print "Basic (lock account). Authenticate. Failed to authenticate user '%s'" % user_name

            if logged_in:
                self.setUserAttributeValue(user_name, self.invalidLoginCountAttribute, StringHelper.toString(0))
            else:
                countInvalidLoginArributeValue = self.getUserAttributeValue(user_name, self.invalidLoginCountAttribute)
                userSatus = self.getUserAttributeValue(user_name, "gluuStatus")
                print "Current user '%s' status is '%s'" % ( user_name, userSatus )

                countInvalidLogin = StringHelper.toInteger(countInvalidLoginArributeValue, 0)

                if countInvalidLogin < self.maximumInvalidLoginAttemps:
                    countInvalidLogin = countInvalidLogin + 1
                    remainingAttempts = self.maximumInvalidLoginAttemps - countInvalidLogin

                    print "Remaining login count attempts '%s' for user '%s'" % ( remainingAttempts, user_name )

                    self.setUserAttributeValue(user_name, self.invalidLoginCountAttribute, StringHelper.toString(countInvalidLogin))
                    if remainingAttempts > 0 and userSatus == "active":
                        facesMessages.add(FacesMessage.SEVERITY_INFO, StringHelper.toString(remainingAttempts)+" more attempt(s) before account is LOCKED!")

                if (countInvalidLogin >= self.maximumInvalidLoginAttemps) and ((userSatus == None) or (userSatus == "active")):
                    print "Basic (lock account). Locking '%s' for '%s' seconds" % ( user_name, self.lockExpirationTime)
                    self.lockUser(user_name)
                    return False

                if (countInvalidLogin >= self.maximumInvalidLoginAttemps) and userSatus == "inactive":
                    print "Basic (lock account). User '%s' is locked. Checking if we can unlock him" % user_name
                    
                    unlock_and_authenticate = False

                    object_from_store = cacheService.get(None, "lock_user_" + user_name)
                    if object_from_store == None:
                        # Object in cache was expired. We need to unlock user
                        print "Basic (lock account). User locking details for user '%s' not exists" % user_name
                        unlock_and_authenticate = True
                    else:
                        # Analyze object from cache
                        user_lock_details = json.loads(object_from_store)

                        user_lock_details_locked = user_lock_details['locked']
                        user_lock_details_created = user_lock_details['created']
                        user_lock_details_created_date = LocalDateTime.parse(user_lock_details_created, DateTimeFormatter.ISO_LOCAL_DATE_TIME)
                        user_lock_details_created_diff = Duration.between(user_lock_details_created_date, LocalDateTime.now()).getSeconds()
                        print "Basic (lock account). Get user '%s' locking details. locked: '%s', Created: '%s', Difference in seconds: '%s'" % ( user_name, user_lock_details_locked, user_lock_details_created, user_lock_details_created_diff )

                        if user_lock_details_locked and user_lock_details_created_diff >= self.lockExpirationTime:
                            print "Basic (lock account). Unlocking user '%s' after lock expiration" % user_name
                            unlock_and_authenticate = True

                    if unlock_and_authenticate:
                        self.unLockUser(user_name)
                        self.setUserAttributeValue(user_name, self.invalidLoginCountAttribute, StringHelper.toString(0))
                        logged_in = authenticationService.authenticate(user_name, user_password)
                        if not logged_in:
                            # Update number of attempts 
                            self.setUserAttributeValue(user_name, self.invalidLoginCountAttribute, StringHelper.toString(1))
                            if self.maximumInvalidLoginAttemps == 1:
                                # Lock user if maximum count login attempts is 1 
                                self.lockUser(user_name)
                                return False


            return logged_in
        else:
            return False