#188144593: Add 'X-Moesif-Transaction-Id' header to request and responses (#30)

Author: selectiveduplicate

lib/extractDataFromEventAndContext.js

@@ -1,6 +1,7 @@
 var requestIp = require('request-ip');
 var dataUtils = require('./dataUtils');
 var url = require('url');
+const { v4: uuid4 } = require('uuid');
 
 var safeJsonParse = dataUtils.safeJsonParse;
 
@@ -175,6 +176,16 @@ function constructBaseLogData(
     logData.blockedBy = logData.response.headers['X-Moesif-Blocked-By'];
   }
 
+  // Add transaction ID to request and response
+  let disableTransactionId = options.disableTransactionId
+    ? options.disableTransactionId
+    : false;
+  if (!disableTransactionId) {
+    let transactionId = logData.request.headers['X-Moesif-Transaction-Id'] || uuid4();
+    logData.response.headers['X-Moesif-Transaction-Id'] = transactionId;
+    logData.request.headers['X-Moesif-Transaction-Id'] = transactionId;
+  }
+
   if (options.logBody && safeRes.body) {
     if (safeRes.isBase64Encoded) {
       logData.response.body = safeRes.body;