Fix @createdby for AuditRecord

Author: ghillert

spring-cloud-dataflow-server-core/src/main/java/org/springframework/cloud/dataflow/server/audit/service/SpringSecurityAuditorAware.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2018 the original author or authors.
+ *
+ * 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.springframework.cloud.dataflow.server.audit.service;
+
+import org.springframework.cloud.common.security.support.SecurityStateBean;
+import org.springframework.data.domain.AuditorAware;
+import org.springframework.security.authentication.AnonymousAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+
+/**
+ *
+ * @author Gunnar Hillert
+ *
+ */
+public class SpringSecurityAuditorAware implements AuditorAware<String> {
+
+	private final SecurityStateBean securityStateBean;
+
+	public SpringSecurityAuditorAware(SecurityStateBean securityStateBean) {
+		this.securityStateBean = securityStateBean;
+	}
+
+	@Override
+	public String getCurrentAuditor() {
+		final boolean authenticationEnabled = securityStateBean.isAuthenticationEnabled();
+		if (authenticationEnabled && SecurityContextHolder.getContext() != null) {
+			final Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+			if (!(authentication instanceof AnonymousAuthenticationToken)) {
+				return authentication.getName();
+			}
+		}
+		return null;
+	}
+}

spring-cloud-dataflow-server-core/src/main/java/org/springframework/cloud/dataflow/server/config/DataFlowControllerAutoConfiguration.java

@@ -67,6 +67,7 @@
 import org.springframework.cloud.dataflow.server.audit.repository.AuditRecordRepository;
 import org.springframework.cloud.dataflow.server.audit.service.AuditRecordService;
 import org.springframework.cloud.dataflow.server.audit.service.DefaultAuditRecordService;
+import org.springframework.cloud.dataflow.server.audit.service.SpringSecurityAuditorAware;
 import org.springframework.cloud.dataflow.server.config.apps.CommonApplicationProperties;
 import org.springframework.cloud.dataflow.server.config.features.FeaturesProperties;
 import org.springframework.cloud.dataflow.server.controller.AboutController;
@@ -184,6 +185,11 @@ public AuditRecordService auditRecordService(AuditRecordRepository auditRecordRe
 		return new DefaultAuditRecordService(auditRecordRepository);
 	}
 
+	@Bean
+	public SpringSecurityAuditorAware springSecurityAuditorAware(SecurityStateBean securityStateBean) {
+		return new SpringSecurityAuditorAware(securityStateBean);
+	}
+
 	@Bean
 	@ConditionalOnBean(AuditRecordService.class)
 	public AuditRecordController auditController(