| /* |
| * 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.registry.web.security; |
| |
| import org.apache.nifi.registry.NiFiRegistryApiApplication; |
| import org.apache.nifi.registry.security.crypto.CryptoKeyProvider; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.context.annotation.Bean; |
| import org.springframework.context.annotation.Configuration; |
| import org.springframework.web.context.ServletContextAware; |
| |
| import javax.servlet.ServletContext; |
| |
| @Configuration |
| public class NiFiRegistryMasterKeyProviderFactory implements ServletContextAware { |
| |
| private static final Logger logger = LoggerFactory.getLogger(NiFiRegistryMasterKeyProviderFactory.class); |
| |
| private CryptoKeyProvider masterKeyProvider = null; |
| |
| @Bean |
| public CryptoKeyProvider getNiFiRegistryMasterKeyProvider() { |
| return masterKeyProvider; |
| } |
| |
| @Override |
| public void setServletContext(ServletContext servletContext) { |
| Object rawKeyProviderObject = servletContext.getAttribute(NiFiRegistryApiApplication.NIFI_REGISTRY_MASTER_KEY_ATTRIBUTE); |
| |
| if (rawKeyProviderObject == null) { |
| logger.warn("Value of {} was null. " + |
| "{} bean will not be available in Application Context, so any attempt to load protected property values may fail.", |
| NiFiRegistryApiApplication.NIFI_REGISTRY_MASTER_KEY_ATTRIBUTE, |
| CryptoKeyProvider.class.getSimpleName()); |
| return; |
| } |
| |
| if (!(rawKeyProviderObject instanceof CryptoKeyProvider)) { |
| logger.warn("Expected value of {} to be of type {}, but instead got {}. " + |
| "{} bean will NOT be available in Application Context, so any attempt to load protected property values may fail.", |
| NiFiRegistryApiApplication.NIFI_REGISTRY_MASTER_KEY_ATTRIBUTE, |
| CryptoKeyProvider.class.getName(), |
| rawKeyProviderObject.getClass().getName(), |
| CryptoKeyProvider.class.getSimpleName()); |
| return; |
| } |
| |
| logger.info("Updating Application Context with {} bean for obtaining NiFi Registry master key.", CryptoKeyProvider.class.getSimpleName()); |
| masterKeyProvider = (CryptoKeyProvider) rawKeyProviderObject; |
| } |
| |
| } |