ExpiredAuthorizationEntityCleaner.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.oauth.component;

import com.querydsl.core.types.ExpressionUtils;

import lombok.extern.slf4j.Slf4j;

import org.genesys.blocks.oauth.model.QAuthorization;
import org.genesys.blocks.oauth.persistence.AuthorizationRepository;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.transaction.annotation.Transactional;

import java.time.Instant;
import java.time.temporal.ChronoUnit;

@Slf4j
public class ExpiredAuthorizationEntityCleaner {

	private final AuthorizationRepository authorizationRepository;

	private final int expiredEntitiesDelay;

	public ExpiredAuthorizationEntityCleaner(AuthorizationRepository authorizationRepository, int expiredEntitiesDelay) {
		this.authorizationRepository = authorizationRepository;
		this.expiredEntitiesDelay = expiredEntitiesDelay;
	}

	@Scheduled(initialDelay = 30 * 1000, fixedDelay = 60 * 60 * 1000) // In milliseconds
	@Transactional
	public void processExpired() {
		Instant expiredInstant = Instant.now().minus(Math.max(expiredEntitiesDelay, 0), ChronoUnit.DAYS);
		log.trace("Searching for the authorization entities expired before: {}", expiredInstant);

		var authorization = QAuthorization.authorization;
		var entitiesForDelete = authorizationRepository.findAll(ExpressionUtils.anyOf(
			// remove unused authorization code entries
			authorization.authorizationCodeExpiresAt.before(expiredInstant).and(authorization.accessTokenExpiresAt.isNull()).and(authorization.refreshTokenExpiresAt.isNull()),
			// remove expired access tokens with no refresh token
			authorization.accessTokenExpiresAt.before(expiredInstant).and(authorization.refreshTokenExpiresAt.isNull()),
			// remove expired refresh tokens
			authorization.refreshTokenExpiresAt.before(expiredInstant)
		));
		authorizationRepository.deleteAll(entitiesForDelete);
	}
}