fix(security): harden access checks and migration validation (#38324) (#38400)

routers/web/user/notification_test.go

@@ -0,0 +1,37 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"testing"
+
+	activities_model "gitea.dev/models/activities"
+	repo_model "gitea.dev/models/repo"
+	"gitea.dev/models/unittest"
+	user_model "gitea.dev/models/user"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestFilterNotificationsByRepoAccess(t *testing.T) {
+	require.NoError(t, unittest.LoadFixtures())
+
+	doer := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 40})
+	inaccessibleRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 3})
+	require.True(t, inaccessibleRepo.IsPrivate)
+	accessibleRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
+
+	notifications := activities_model.NotificationList{
+		{ID: 1, Repository: inaccessibleRepo},
+		{ID: 2, Repository: accessibleRepo},
+	}
+
+	filtered, failures, err := filterNotificationsByRepoAccess(t.Context(), doer, notifications)
+	require.NoError(t, err)
+
+	assert.Equal(t, []int{0}, failures)
+	require.Len(t, filtered, 1)
+	assert.EqualValues(t, 2, filtered[0].ID)
+}