events: deepcopy event kwargs to prevent objects being removed, remove workaround

closes #4041

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

.vscode/settings.json

@@ -20,15 +20,20 @@
     "todo-tree.tree.showCountsInTree": true,
     "todo-tree.tree.showBadges": true,
     "python.formatting.provider": "black",
-    "yaml.customTags": [
-        "!Find sequence",
-        "!KeyOf scalar"
-    ],
+    "yaml.customTags": ["!Find sequence", "!KeyOf scalar"],
     "typescript.preferences.importModuleSpecifier": "non-relative",
     "typescript.preferences.importModuleSpecifierEnding": "index",
     "typescript.tsdk": "./web/node_modules/typescript/lib",
     "typescript.enablePromptUseWorkspaceTsdk": true,
     "yaml.schemas": {
         "./blueprints/schema.json": "blueprints/**/*.yaml"
-    }
+    },
+    "gitlens.autolinks": [
+        {
+            "alphanumeric": true,
+            "prefix": "#<num>",
+            "url": "https://github.com/goauthentik/authentik/issues/<num>",
+            "ignoreCase": false
+        }
+    ]
 }

authentik/events/models.py

@@ -1,6 +1,7 @@
 """authentik events models"""
 import time
 from collections import Counter
+from copy import deepcopy
 from datetime import timedelta
 from inspect import currentframe
 from smtplib import SMTPException
@@ -210,7 +211,7 @@ class Event(SerializerModel, ExpiringModel):
             current = currentframe()
             parent = current.f_back
             app = parent.f_globals["__name__"]
-        cleaned_kwargs = cleanse_dict(sanitize_dict(kwargs))
+        cleaned_kwargs = cleanse_dict(sanitize_dict(deepcopy(kwargs)))
         event = Event(action=action, app=app, context=cleaned_kwargs)
         return event
 

authentik/policies/expression/tests.py

@@ -1,13 +1,17 @@
 """evaluator tests"""
-from django.test import TestCase
+from django.test import RequestFactory, TestCase
 from guardian.shortcuts import get_anonymous_user
 from rest_framework.serializers import ValidationError
 from rest_framework.test import APITestCase
 
+from authentik.core.models import Application
+from authentik.lib.generators import generate_id
 from authentik.policies.exceptions import PolicyException
 from authentik.policies.expression.api import ExpressionPolicySerializer
 from authentik.policies.expression.evaluator import PolicyEvaluator
 from authentik.policies.expression.models import ExpressionPolicy
+from authentik.policies.models import PolicyBinding
+from authentik.policies.process import PolicyProcess
 from authentik.policies.types import PolicyRequest
 
 
@@ -15,7 +19,15 @@ class TestEvaluator(TestCase):
     """Evaluator tests"""
 
     def setUp(self):
+        factory = RequestFactory()
+        self.http_request = factory.get("/")
+        self.obj = Application.objects.create(
+            name=generate_id(),
+            slug=generate_id(),
+        )
         self.request = PolicyRequest(user=get_anonymous_user())
+        self.request.obj = self.obj
+        self.request.http_request = self.http_request
 
     def test_full(self):
         """Test full with Policy instance"""
@@ -63,6 +75,41 @@ class TestEvaluator(TestCase):
         with self.assertRaises(ValidationError):
             evaluator.validate(template)
 
+    def test_execution_logging(self):
+        """test execution_logging"""
+        expr = ExpressionPolicy.objects.create(
+            name=generate_id(),
+            execution_logging=True,
+            expression="ak_message(request.http_request.path)\nreturn True",
+        )
+        evaluator = PolicyEvaluator("test")
+        evaluator.set_policy_request(self.request)
+        proc = PolicyProcess(PolicyBinding(policy=expr), request=self.request, connection=None)
+        res = proc.profiling_wrapper()
+        self.assertEqual(res.messages, ("/",))
+
+    def test_call_policy(self):
+        """test ak_call_policy"""
+        expr = ExpressionPolicy.objects.create(
+            name=generate_id(),
+            execution_logging=True,
+            expression="ak_message(request.http_request.path)\nreturn True",
+        )
+        tmpl = (
+            """
+        ak_message(request.http_request.path)
+        res = ak_call_policy('%s')
+        ak_message(request.http_request.path)
+        for msg in res.messages:
+            ak_message(msg)
+        """
+            % expr.name
+        )
+        evaluator = PolicyEvaluator("test")
+        evaluator.set_policy_request(self.request)
+        res = evaluator.evaluate(tmpl)
+        self.assertEqual(res.messages, ("/", "/", "/"))
+
 
 class TestExpressionPolicyAPI(APITestCase):
     """Test expression policy's API"""

authentik/policies/process.py

@@ -56,8 +56,6 @@ class PolicyProcess(PROCESS_CLASS):
 
     def create_event(self, action: str, message: str, **kwargs):
         """Create event with common values from `self.request` and `self.binding`."""
-        # Keep a reference to http_request even if its None, because cleanse_dict will remove it
-        http_request = self.request.http_request
         event = Event.new(
             action=action,
             message=message,
@@ -67,8 +65,8 @@ class PolicyProcess(PROCESS_CLASS):
             **kwargs,
         )
         event.set_user(self.request.user)
-        if http_request:
-            event.from_http(http_request)
+        if self.request.http_request:
+            event.from_http(self.request.http_request)
         else:
             event.save()