Explicitly set the Host header

frontdoor-endpoints/frontdoor-api.js

@@ -3,8 +3,6 @@ const axios = require('axios');
 
 const router = express.Router();
 
-
-
 // Middleware: Add APIMS subscription key to outgoing requests
 const addSubscriptionKey = (req, res, next) => {
   const subscriptionKey = process.env.REACT_APP_APIMS_SUBSCRIPTION_KEY; // Store this key in .env file
@@ -19,29 +17,42 @@ const addSubscriptionKey = (req, res, next) => {
 // Proxy logic for all routes under /api
 router.all('/*', addSubscriptionKey, async (req, res) => {
   try {
+    // Validate and fetch base URL for APIMS from environment variables
+    const apimsBaseUrl = process.env.APIMS_BASE_URL;
+    if (!apimsBaseUrl) {
+      console.error('[Proxy Middleware] Missing APIMS Base URL');
+      return res.status(500).send('Internal Server Error: Missing APIMS Base URL');
+    }
+
     // Construct the APIMS URL, removing the "/api" prefix from the original URL
     const targetPath = req.originalUrl.replace('/api', ''); // Remove "/api" from the start of the path
-    const targetUrl = `${process.env.APIMS_BASE_URL}${targetPath}`;
+    const targetUrl = `${apimsBaseUrl}${targetPath}`;
 
     console.log(`[Proxy Middleware] Forwarding request to: ${targetUrl}`);
 
     // Make the request to APIMS
     const response = await axios({
       method: req.method,
       url: targetUrl,
-      headers: req.headers, // Forward all headers, including the subscription key
+      headers: {
+        ...req.headers, // Forward all headers, including the subscription key
+        Host: new URL(apimsBaseUrl).host, // Explicitly set the Host header
+      },
       data: req.body, // Forward the request body
     });
 
     console.log(`[Proxy Middleware] Received response from APIMS: ${response.status}`);
+    console.log(`[Proxy Middleware] Response Data:`, response.data);
+
     // Send the response back to the client
     res.status(response.status).send(response.data);
   } catch (error) {
     console.error('[Proxy Middleware] Error during request forwarding:', error.message);
 
     if (error.response) {
       // If APIMS responded with an error, forward it to the client
-      console.error(`[Proxy Middleware] APIMS Response:`, error.response.data);
+      console.error(`[Proxy Middleware] APIMS Response Status: ${error.response.status}`);
+      console.error(`[Proxy Middleware] APIMS Response Data:`, error.response.data);
       res.status(error.response.status).send(error.response.data);
     } else {
       // If no response from APIMS, send a generic error
@@ -51,4 +62,3 @@ router.all('/*', addSubscriptionKey, async (req, res) => {
 });
 
 module.exports = router;
-