| /* |
| * 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.authentication.kerberos; |
| |
| import org.apache.nifi.registry.properties.NiFiRegistryProperties; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.context.annotation.Bean; |
| import org.springframework.context.annotation.Configuration; |
| import org.springframework.core.io.FileSystemResource; |
| import org.springframework.security.kerberos.authentication.KerberosTicketValidator; |
| import org.springframework.security.kerberos.authentication.sun.GlobalSunJaasKerberosConfig; |
| import org.springframework.security.kerberos.authentication.sun.SunJaasKerberosTicketValidator; |
| |
| import java.io.File; |
| |
| @Configuration |
| public class KerberosTicketValidatorFactory { |
| |
| private NiFiRegistryProperties properties; |
| |
| private KerberosTicketValidator kerberosTicketValidator; |
| |
| @Autowired |
| public KerberosTicketValidatorFactory(NiFiRegistryProperties properties) { |
| this.properties = properties; |
| } |
| |
| @Bean |
| public KerberosTicketValidator kerberosTicketValidator() throws Exception { |
| |
| if (kerberosTicketValidator == null && properties.isKerberosSpnegoSupportEnabled()) { |
| |
| // Configure SunJaasKerberos (global) |
| final File krb5ConfigFile = properties.getKerberosConfigurationFile(); |
| if (krb5ConfigFile != null) { |
| final GlobalSunJaasKerberosConfig krb5Config = new GlobalSunJaasKerberosConfig(); |
| krb5Config.setKrbConfLocation(krb5ConfigFile.getAbsolutePath()); |
| krb5Config.afterPropertiesSet(); |
| } |
| |
| // Create ticket validator to inject into KerberosServiceAuthenticationProvider |
| SunJaasKerberosTicketValidator ticketValidator = new SunJaasKerberosTicketValidator(); |
| ticketValidator.setServicePrincipal(properties.getKerberosSpnegoPrincipal()); |
| ticketValidator.setKeyTabLocation(new FileSystemResource(properties.getKerberosSpnegoKeytabLocation())); |
| ticketValidator.afterPropertiesSet(); |
| |
| kerberosTicketValidator = ticketValidator; |
| |
| } |
| |
| return kerberosTicketValidator; |
| |
| } |
| |
| } |