Fixed #28216 -- Added next_page/get_default_redirect_url() to LoginView.

1 files changed, 6 insertions, 2 deletions

diff --git a/django/contrib/auth/views.py b/django/contrib/auth/views.py
index 529400df28..b5556aaa11 100644
--- a/django/contrib/auth/views.py
+++ b/django/contrib/auth/views.py
@@ -43,6 +43,7 @@ class LoginView(SuccessURLAllowedHostsMixin, FormView):
     """
     form_class = AuthenticationForm
     authentication_form = None
+    next_page = None
     redirect_field_name = REDIRECT_FIELD_NAME
     template_name = 'registration/login.html'
     redirect_authenticated_user = False
@@ -63,8 +64,7 @@ class LoginView(SuccessURLAllowedHostsMixin, FormView):
         return super().dispatch(request, *args, **kwargs)
 
     def get_success_url(self):
-        url = self.get_redirect_url()
-        return url or resolve_url(settings.LOGIN_REDIRECT_URL)
+        return self.get_redirect_url() or self.get_default_redirect_url()
 
     def get_redirect_url(self):
         """Return the user-originating redirect URL if it's safe."""
@@ -79,6 +79,10 @@ class LoginView(SuccessURLAllowedHostsMixin, FormView):
         )
         return redirect_to if url_is_safe else ''
 
+    def get_default_redirect_url(self):
+        """Return the default redirect URL."""
+        return resolve_url(self.next_page or settings.LOGIN_REDIRECT_URL)
+
     def get_form_class(self):
         return self.authentication_form or self.form_class