/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.nifi.audit;
import org.apache.nifi.action.Action;
import org.apache.nifi.action.Component;
import org.apache.nifi.action.FlowChangeAction;
import org.apache.nifi.action.Operation;
import org.apache.nifi.action.details.ActionDetails;
import org.apache.nifi.authorization.user.NiFiUser;
import org.apache.nifi.authorization.user.NiFiUserUtils;
import org.apache.nifi.connectable.Funnel;
import org.apache.nifi.web.dao.FunnelDAO;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Date;
@Aspect
public class FunnelAuditor extends NiFiAuditor {
private static final Logger logger = LoggerFactory.getLogger(FunnelAuditor.class);
/**
* Audits the creation of a funnel.
*
* @param proceedingJoinPoint join point
* @return funnel
* @throws Throwable ex
*/
@Around("within(org.apache.nifi.web.dao.FunnelDAO+) && "
+ "execution(org.apache.nifi.connectable.Funnel createFunnel(java.lang.String, org.apache.nifi.web.api.dto.FunnelDTO))")
public Funnel createFunnelAdvice(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
// perform the underlying operation
Funnel funnel = (Funnel) proceedingJoinPoint.proceed();
// perform the audit
final Action action = generateAuditRecord(funnel, Operation.Add);
// save the actions
if (action != null) {
saveAction(action, logger);
}
return funnel;
}
/**
* Audits the removal of a funnel.
*
* @param proceedingJoinPoint join point
* @param funnelId funnel id
* @param funnelDAO funnel dao
* @throws Throwable ex
*/
@Around("within(org.apache.nifi.web.dao.FunnelDAO+) && "
+ "execution(void deleteFunnel(java.lang.String)) && "
+ "args(funnelId) && "
+ "target(funnelDAO)")
public void removeFunnelAdvice(ProceedingJoinPoint proceedingJoinPoint, String funnelId, FunnelDAO funnelDAO) throws Throwable {
// get the funnel before removing it
Funnel funnel = funnelDAO.getFunnel(funnelId);
// remove the funnel
proceedingJoinPoint.proceed();
// if no exceptions were thrown, add removal actions...
final Action action = generateAuditRecord(funnel, Operation.Remove);
// save the actions
if (action != null) {
saveAction(action, logger);
}
}
/**
* Generates an audit record for the creation of the specified funnel.
*
* @param funnel funnel
* @param operation operation
* @return action
*/
public Action generateAuditRecord(Funnel funnel, Operation operation) {
return generateAuditRecord(funnel, operation, null);
}
/**
* Generates an audit record for the creation of the specified funnel.
*
* @param funnel funnel
* @param operation operation
* @param actionDetails details
* @return action
*/
public Action generateAuditRecord(Funnel funnel, Operation operation, ActionDetails actionDetails) {
FlowChangeAction action = null;
// get the current user
NiFiUser user = NiFiUserUtils.getNiFiUser();
// ensure the user was found
if (user != null) {
// create the action for adding this funnel
action = new FlowChangeAction();
action.setUserIdentity(user.getIdentity());
action.setOperation(operation);
action.setTimestamp(new Date());
action.setSourceId(funnel.getIdentifier());
action.setSourceName(funnel.getName());
action.setSourceType(Component.Funnel);
if (actionDetails != null) {
action.setActionDetails(actionDetails);
}
}
return action;
}
}