Fix saljic crawler

app/helpers/url.js

@@ -7,6 +7,26 @@ const currentSearchRequest = async req => {
 
   return await getSearchRequest(searchRequestId);
 };
-module.exports = {
-  currentSearchRequest
+
+const getUrlParams = function (url) {
+  if (typeof url === 'string' && url.length > 0){
+    const params = {};
+    const questionMarkIndex = url.indexOf('?');
+    if (questionMarkIndex === -1) {
+      return undefined;
+    }
+    const query = url.substring(questionMarkIndex+1);
+    const vars = query.split('&');
+    for (let i = 0; i < vars.length; i++) {
+      const pair = vars[i].split('=');
+      params[pair[0]] = decodeURIComponent(pair[1]);
+    }
+    return params;
+  }
+  return undefined;
+};
+
+module.exports = {
+  currentSearchRequest,
+  getUrlParams
 };