core: clear application cache upon application creation

authentik/core/apps.py

@@ -1,4 +1,6 @@
 """authentik core app config"""
+from importlib import import_module
+
 from django.apps import AppConfig
 
 
@@ -9,3 +11,6 @@ class AuthentikCoreConfig(AppConfig):
     label = "authentik_core"
     verbose_name = "authentik Core"
     mountpoint = ""
+
+    def ready(self):
+        import_module("authentik.core.signals")

authentik/core/signals.py

@@ -1,5 +1,24 @@
 """authentik core signals"""
+from django.core.cache import cache
 from django.core.signals import Signal
+from django.db.models.signals import post_save
+from django.dispatch import receiver
 
 # Arguments: user: User, password: str
 password_changed = Signal()
+
+
+@receiver(post_save)
+# pylint: disable=unused-argument
+def post_save_application(sender, instance, created: bool, **_):
+    """Clear user's application cache upon application creation"""
+    from authentik.core.models import Application
+    from authentik.core.api.applications import user_app_cache_key
+
+    if sender != Application:
+        return
+    if not created:
+        return
+    # Also delete user application cache
+    keys = cache.keys(user_app_cache_key("*"))
+    cache.delete_many(keys)