AuthenticationFailureBadCredentialsListener.java

/*
 * Copyright 2023 Global Crop Diversity Trust
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.genesys.blocks.security.lockout;

import org.genesys.blocks.security.model.BasicUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.security.authentication.event.AuthenticationFailureBadCredentialsEvent;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.web.authentication.WebAuthenticationDetails;
import org.springframework.stereotype.Component;

import lombok.extern.slf4j.Slf4j;

/**
 * Log failed login attempt and notify {@link AccountLockoutManager}.
 *
 * @author Matija Obreza, matija.obreza@croptrust.org
 */
@Component
@Slf4j
public class AuthenticationFailureBadCredentialsListener implements ApplicationListener<AuthenticationFailureBadCredentialsEvent> {

	/** The lockout manager. */
	@Autowired
	private AccountLockoutManager lockoutManager;

	/*
	 * (non-Javadoc)
	 * @see org.springframework.context.ApplicationListener#onApplicationEvent(org.
	 * springframework.context.ApplicationEvent)
	 */
	@Override
	public void onApplicationEvent(final AuthenticationFailureBadCredentialsEvent event) {
		final Object principal = event.getAuthentication().getPrincipal();

		String userName = null;
		if (principal instanceof String) {
			userName = (String) principal;
		} else if (principal instanceof BasicUser<?>) {
			userName = ((BasicUser<?>) principal).getUsername();
		} else if (principal instanceof UserDetails) {
			userName = ((UserDetails) principal).getUsername();
		}

		final Object details = event.getAuthentication().getDetails();
		if (details instanceof WebAuthenticationDetails) {
			final WebAuthenticationDetails wad = (WebAuthenticationDetails) details;
			// This can be picked up by fail2ban http://www.fail2ban.org/
			log.warn("Failed login attempt for username={} from IP={}", userName, wad.getRemoteAddress());
		}

		lockoutManager.handleFailedLogin(userName);
	}
}