use referrer path if it exists, otherwise use req.path

Author: sarahs

middleware/is-archived-version.js

@@ -2,16 +2,17 @@ const patterns = require('../lib/patterns')
 const { deprecated } = require('../lib/enterprise-server-releases')
 
 module.exports = async (req, res, next) => {
+  // if this is a docs path, use the req.path
+  // if this is an assets path, use the referrer
+  const pathToCheck = req.get('referrer') || req.path
+
   // ignore paths that don't have an enterprise version number
-  if (!(patterns.getEnterpriseVersionNumber.test(req.path) || patterns.getEnterpriseServerNumber.test(req.path))) return next()
+  if (!(patterns.getEnterpriseVersionNumber.test(pathToCheck) || patterns.getEnterpriseServerNumber.test(pathToCheck))) return next()
 
   // extract enterprise version from path, e.g. 2.16
-  const requestedVersion = req.path.includes('enterprise-server@')
-    ? req.path.match(patterns.getEnterpriseServerNumber)[1]
-    : req.path.match(patterns.getEnterpriseVersionNumber)[1]
-
-  // bail if the request version is not deprecated
-  if (!deprecated.includes(requestedVersion)) return next()
+  const requestedVersion = pathToCheck.includes('enterprise-server@')
+    ? pathToCheck.match(patterns.getEnterpriseServerNumber)[1]
+    : pathToCheck.match(patterns.getEnterpriseVersionNumber)[1]
 
   // bail if the request version is not deprecated
   if (!deprecated.includes(requestedVersion)) return next()