1 files changed, 136 insertions, 0 deletions
diff --git a/src/main/java/org/onap/aai/interceptors/pre/RequestTransactionLogging.java b/src/main/java/org/onap/aai/interceptors/pre/RequestTransactionLogging.java
new file mode 100644
index 0000000..b770296
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+++ b/src/main/java/org/onap/aai/interceptors/pre/RequestTransactionLogging.java
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+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.aai.interceptors.pre;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.google.gson.JsonObject;
+import org.glassfish.jersey.message.internal.ReaderWriter;
+import org.onap.aai.exceptions.AAIException;
+import org.onap.aai.interceptors.AAIContainerFilter;
+import org.onap.aai.interceptors.AAIHeaderProperties;
+import org.onap.aai.logging.LogFormatTools;
+import org.onap.aai.util.AAIConfig;
+import org.onap.aai.util.AAIConstants;
+import org.onap.aai.util.HbaseSaltPrefixer;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import javax.annotation.Priority;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ContainerRequestFilter;
+import javax.ws.rs.container.PreMatching;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.Provider;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.SecureRandom;
+import java.util.Random;
+import java.util.UUID;
+
+@Provider
+@PreMatching
+@Priority(AAIRequestFilterPriority.REQUEST_TRANS_LOGGING)
+public class RequestTransactionLogging extends AAIContainerFilter implements ContainerRequestFilter {
+
+	private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(RequestTransactionLogging.class);
+
+	@Autowired
+	private HttpServletRequest httpServletRequest;
+
+	private static final String DEFAULT_CONTENT_TYPE = MediaType.APPLICATION_JSON;
+	private static final String DEFAULT_RESPONSE_TYPE = MediaType.APPLICATION_XML;
+
+	private static final String CONTENT_TYPE = "Content-Type";
+	private static final String ACCEPT = "Accept";
+	private static final String TEXT_PLAIN = "text/plain";
+
+	@Override
+	public void filter(ContainerRequestContext requestContext) throws IOException {
+
+		String currentTimeStamp = genDate();
+		String fullId = this.getAAITxIdToHeader(currentTimeStamp);
+		this.addToRequestContext(requestContext, AAIHeaderProperties.AAI_TX_ID, fullId);
+		this.addToRequestContext(requestContext, AAIHeaderProperties.AAI_REQUEST, this.getRequest(requestContext, fullId));
+		this.addToRequestContext(requestContext, AAIHeaderProperties.AAI_REQUEST_TS, currentTimeStamp);
+		this.addDefaultContentType(requestContext);
+	}
+
+	private void addToRequestContext(ContainerRequestContext requestContext, String name, String aaiTxIdToHeader) {
+		requestContext.setProperty(name, aaiTxIdToHeader);
+	}
+
+	private void addDefaultContentType(ContainerRequestContext requestContext) {
+
+		MultivaluedMap<String, String> headersMap = requestContext.getHeaders();
+		String contentType = headersMap.getFirst(CONTENT_TYPE);
+		String acceptType  = headersMap.getFirst(ACCEPT);
+
+		if(contentType == null || contentType.contains(TEXT_PLAIN)){
+			requestContext.getHeaders().putSingle(CONTENT_TYPE, DEFAULT_CONTENT_TYPE);
+		}
+
+		if(acceptType == null || acceptType.contains(TEXT_PLAIN)){
+			requestContext.getHeaders().putSingle(ACCEPT, DEFAULT_RESPONSE_TYPE);
+		}
+	}
+
+	private String getAAITxIdToHeader(String currentTimeStamp) {
+		String txId = UUID.randomUUID().toString();
+		try {
+			Random rand = new SecureRandom();
+			int number = rand.nextInt(99999);
+			txId = HbaseSaltPrefixer.getInstance().prependSalt(AAIConfig.get(AAIConstants.AAI_NODENAME) + "-"
+					+ currentTimeStamp + "-" + number ); //new Random(System.currentTimeMillis()).nextInt(99999)
+		} catch (AAIException e) {
+		}
+
+		return txId;
+	}
+
+	private String getRequest(ContainerRequestContext requestContext, String fullId) {
+
+		JsonObject request = new JsonObject();
+		request.addProperty("ID", fullId);
+		request.addProperty("Http-Method", requestContext.getMethod());
+		request.addProperty(CONTENT_TYPE, httpServletRequest.getContentType());
+		request.addProperty("Headers", requestContext.getHeaders().toString());
+
+		ByteArrayOutputStream out = new ByteArrayOutputStream();
+		InputStream in = requestContext.getEntityStream();
+
+		try {
+			if (in.available() > 0) {
+				ReaderWriter.writeTo(in, out);
+				byte[] requestEntity = out.toByteArray();
+				request.addProperty("Payload", new String(requestEntity, "UTF-8"));
+				requestContext.setEntityStream(new ByteArrayInputStream(requestEntity));
+			}
+		} catch (IOException ex) {
+			LOGGER.error("An exception occurred during the transaction logging: " + LogFormatTools.getStackTop(ex));
+		}
+
+		return request.toString();
+	}
+
+}