1 files changed, 234 insertions, 0 deletions
diff --git a/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/logging/aspect/EELFLoggerAdvice.java b/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/logging/aspect/EELFLoggerAdvice.java
new file mode 100644
index 00000000..da4e2aff
--- /dev/null
+++ b/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/logging/aspect/EELFLoggerAdvice.java
@@ -0,0 +1,234 @@
+/*-
+ * ================================================================================
+ * eCOMP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * 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.openecomp.portalsdk.core.logging.aspect;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.openecomp.portalsdk.core.logging.format.AuditLogFormatter;
+import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
+import org.openecomp.portalsdk.core.service.AppService;
+import org.openecomp.portalsdk.core.util.SystemProperties;
+import org.openecomp.portalsdk.core.util.SystemProperties.SecurityEventTypeEnum;
+import org.slf4j.MDC;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.att.eelf.configuration.Configuration;
+
+@org.springframework.context.annotation.Configuration
+public class EELFLoggerAdvice {
+
+	@Autowired
+	AppService appService;
+
+	EELFLoggerDelegate adviceLogger = EELFLoggerDelegate.getLogger(EELFLoggerAdvice.class);
+
+	// DateTime Format according to the ECOMP Application Logging Guidelines.
+	private static final SimpleDateFormat ecompLogDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
+
+	/**
+	 * Gets the current date and time in expected ECOMP log format.
+	 * 
+	 * @return Current date and time
+	 */
+	public static String getCurrentDateTimeUTC() {
+		String currentDateTime = ecompLogDateFormat.format(new Date());
+		return currentDateTime;
+	}
+
+	/**
+	 * 
+	 * @param securityEventType
+	 * @param args
+	 * @param passOnArgs
+	 * @return One-element array containing an empty String object.
+	 */
+	public Object[] before(SecurityEventTypeEnum securityEventType, Object[] args, Object[] passOnArgs) {
+		try {
+			String className = "";
+			if (passOnArgs[0] != null) {
+				className = passOnArgs[0].toString();
+			}
+
+			String methodName = "";
+			if (passOnArgs[1] != null) {
+				methodName = passOnArgs[1].toString();
+			}
+
+			String appName = appService.getDefaultAppName();
+			if (appName == null || appName == "") {
+				appName = SystemProperties.SDK_NAME;
+			}
+
+			EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(className);
+
+			// Initialize Request defaults only for controller methods.
+			MDC.put(className + methodName + SystemProperties.METRICSLOG_BEGIN_TIMESTAMP, getCurrentDateTimeUTC());
+			MDC.put(SystemProperties.TARGET_ENTITY, appName + "_BE");
+			MDC.put(SystemProperties.TARGET_SERVICE_NAME, methodName);
+			if (securityEventType != null) {
+				MDC.put(className + methodName + SystemProperties.AUDITLOG_BEGIN_TIMESTAMP, getCurrentDateTimeUTC());
+				HttpServletRequest req = null;
+				if (args[0] != null && args[0] instanceof HttpServletRequest) {
+					req = (HttpServletRequest) args[0];
+					logger.setRequestBasedDefaultsIntoGlobalLoggingContext(req, appName);
+				}
+			}
+			logger.debug(EELFLoggerDelegate.debugLogger, (methodName + " was invoked."));
+		} catch (Exception e) {
+			adviceLogger.error(EELFLoggerDelegate.errorLogger,
+					"Exception occurred in EELFLoggerAdvice.before() method. Details: " + e.getMessage());
+		}
+
+		return new Object[] { "" };
+	}
+
+	/**
+	 * 
+	 * @param securityEventType
+	 * @param result
+	 * @param args
+	 * @param returnArgs
+	 * @param passOnArgs
+	 */
+	public void after(SecurityEventTypeEnum securityEventType, String result, Object[] args, Object[] returnArgs,
+			Object[] passOnArgs) {
+		try {
+			String className = "";
+			if (passOnArgs[0] != null) {
+				className = passOnArgs[0].toString();
+			}
+
+			String methodName = "";
+			if (passOnArgs[1] != null) {
+				methodName = passOnArgs[1].toString();
+			}
+
+			EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(className);
+
+			String appName = appService.getDefaultAppName();
+			if (appName == null || appName == "") {
+				appName = SystemProperties.SDK_NAME;
+			}
+
+			if (MDC.get(SystemProperties.TARGET_SERVICE_NAME) == null
+					|| MDC.get(SystemProperties.TARGET_SERVICE_NAME) == "") {
+				MDC.put(SystemProperties.TARGET_SERVICE_NAME, methodName);
+			}
+
+			if (MDC.get(SystemProperties.TARGET_ENTITY) == null || MDC.get(SystemProperties.TARGET_ENTITY) == "") {
+				MDC.put(SystemProperties.TARGET_ENTITY, appName + "_BE");
+			}
+
+			MDC.put(SystemProperties.METRICSLOG_BEGIN_TIMESTAMP,
+					MDC.get(className + methodName + SystemProperties.METRICSLOG_BEGIN_TIMESTAMP));
+			MDC.put(SystemProperties.METRICSLOG_END_TIMESTAMP, getCurrentDateTimeUTC());
+			this.calculateDateTimeDifference(MDC.get(SystemProperties.METRICSLOG_BEGIN_TIMESTAMP),
+					MDC.get(SystemProperties.METRICSLOG_END_TIMESTAMP));
+
+			logger.info(EELFLoggerDelegate.metricsLogger, methodName + " operation is completed.");
+			logger.debug(EELFLoggerDelegate.debugLogger, "Finished executing " + methodName + ".");
+
+			if (securityEventType != null) {
+
+				MDC.put(SystemProperties.AUDITLOG_BEGIN_TIMESTAMP,
+						MDC.get(className + methodName + SystemProperties.AUDITLOG_BEGIN_TIMESTAMP));
+				MDC.put(SystemProperties.AUDITLOG_END_TIMESTAMP, getCurrentDateTimeUTC());
+				this.calculateDateTimeDifference(MDC.get(SystemProperties.AUDITLOG_BEGIN_TIMESTAMP),
+						MDC.get(SystemProperties.AUDITLOG_END_TIMESTAMP));
+
+				this.logSecurityMessage(logger, securityEventType, result, methodName);
+
+				// clear when finishes audit logging
+				MDC.remove(Configuration.MDC_KEY_REQUEST_ID);
+				MDC.remove(SystemProperties.PARTNER_NAME);
+				MDC.remove(SystemProperties.MDC_LOGIN_ID);
+				MDC.remove(SystemProperties.PROTOCOL);
+				MDC.remove(SystemProperties.FULL_URL);
+				MDC.remove(Configuration.MDC_SERVICE_NAME);
+				MDC.remove(SystemProperties.RESPONSE_CODE);
+				MDC.remove(SystemProperties.STATUS_CODE);
+				MDC.remove(className + methodName + SystemProperties.AUDITLOG_BEGIN_TIMESTAMP);
+				MDC.remove(SystemProperties.AUDITLOG_BEGIN_TIMESTAMP);
+				MDC.remove(SystemProperties.AUDITLOG_END_TIMESTAMP);
+			}
+
+			MDC.remove(className + methodName + SystemProperties.METRICSLOG_BEGIN_TIMESTAMP);
+			MDC.remove(SystemProperties.METRICSLOG_BEGIN_TIMESTAMP);
+			MDC.remove(SystemProperties.METRICSLOG_END_TIMESTAMP);
+			MDC.remove(SystemProperties.MDC_TIMER);
+			MDC.remove(SystemProperties.TARGET_ENTITY);
+			MDC.remove(SystemProperties.TARGET_SERVICE_NAME);
+		} catch (Exception e) {
+			adviceLogger.error(EELFLoggerDelegate.errorLogger,
+					"Exception occurred in EELFLoggerAdvice.after() method. Details: " + e.getMessage());
+		}
+	}
+
+	/**
+	 * 
+	 * @param logger
+	 * @param securityEventType
+	 * @param result
+	 * @param restMethod
+	 */
+	private void logSecurityMessage(EELFLoggerDelegate logger, SecurityEventTypeEnum securityEventType, String result,
+			String restMethod) {
+		StringBuilder additionalInfoAppender = new StringBuilder();
+		String auditMessage = "";
+
+		additionalInfoAppender.append(String.format("%s request was received.", restMethod));
+
+		// Status code
+		MDC.put(SystemProperties.STATUS_CODE, result);
+
+		String fullURL = MDC.get(SystemProperties.FULL_URL);
+		if (fullURL != null && fullURL != "") {
+			additionalInfoAppender.append(" Request-URL:" + MDC.get(SystemProperties.FULL_URL));
+		}
+
+		auditMessage = AuditLogFormatter.getInstance().createMessage(MDC.get(SystemProperties.PROTOCOL),
+				securityEventType.name(), MDC.get(SystemProperties.MDC_LOGIN_ID), additionalInfoAppender.toString());
+
+		logger.info(EELFLoggerDelegate.auditLogger, auditMessage);
+	}
+
+	/**
+	 * 
+	 * @param beginDateTime
+	 * @param endDateTime
+	 */
+	private void calculateDateTimeDifference(String beginDateTime, String endDateTime) {
+		if (beginDateTime != null && endDateTime != null) {
+			try {
+				Date beginDate = ecompLogDateFormat.parse(beginDateTime);
+				Date endDate = ecompLogDateFormat.parse(endDateTime);
+				String timeDifference = String.format("%d ms", endDate.getTime() - beginDate.getTime());
+				MDC.put(SystemProperties.MDC_TIMER, timeDifference);
+			} catch (Exception e) {
+				adviceLogger.error(EELFLoggerDelegate.errorLogger,
+						"Exception occurred in EELFLoggerAdvice.calculateDateTimeDifference() method. Details: "
+								+ e.getMessage());
+			}
+		}
+	}
+}