Update lib/bindings/HTTPBinding.js

Co-authored-by: rg2011 <52279456+rg2011@users.noreply.github.com>

lib/bindings/HTTPBinding.js

@@ -54,7 +54,19 @@ const { promisify } = require('util');
 const json = promisify(bodyParser.json({ strict: false })); // accept anything JSON.parse accepts.
 const text = promisify(bodyParser.text());
 const raw = promisify(bodyParser.raw());
-const xml = promisify(bodyParser.xml());
+const xml2js = require('xml2js');
+const xmlStripPrefix = xml2js.processors.stripPrefix;
+const xml = promisify(bodyParser.xml({
+        xmlParseOptions: {
+            // XML namespaces might change from one request to the next.
+            // It is useful to remove them from the document,
+            // to be able to refer to tags later in JEXL transformations.
+            // See https://github.com/Leonidas-from-XIV/node-xml2js/issues/87
+            tagNameProcessors: [xmlStripPrefix],
+            attrNameProcessors: [xmlStripPrefix]
+        }
+    })
+);
 
 function parserBody() {
     // generic bodyParser