allow next_url contain local url of ember and angular

Author: ihorsokhanexoft

framework/auth/views.py

@@ -1216,6 +1216,9 @@ def validate_next_url(next_url):
     :return: True if valid, False otherwise
     """
 
+    if 'localhost' in next_url:
+        return True
+
     # disable external domain using `//`: the browser allows `//` as a shortcut for non-protocol specific requests
     # like http:// or https:// depending on the use of SSL on the page already.
     if next_url.startswith('//'):