Document named URL patterns also being resolved

Author: tymees

djangosaml2/utils.py

@@ -113,6 +113,7 @@ def validate_referral_url(request, url):
     )
     try:
         if saml_strict_url_validation:
+            # This will also resolve Django URL pattern names
             url = resolve_url(url)
     except NoReverseMatch:
         logger.debug("Could not validate given referral url is a valid URL")

docs/source/contents/setup.rst

@@ -151,6 +151,8 @@ example: 'home' could be '/home' or 'home/'.
 If this is unfeasible, this strict validation can be turned off by setting
 ``SAML_STRICT_URL_VALIDATION`` to ``False`` in settings.py.
 
+During validation, `Django named URL patterns<https://docs.djangoproject.com/en/dev/topics/http/urls/#naming-url-patterns>`_
+will also be resolved. Turning off strict validation will prevent this from happening.
 
 Preferred sso binding
 =====================