IAM: Authorize writes to zanzana on token permissions (#115645)

* validate writes to zanzana, not reads * lint ignore
2025-12-31 09:15:00 +00:00
parent bba5c44dc4
commit 318a0ebb36
15 changed files with 128 additions and 17 deletions
@@ -0,0 +1,46 @@
+package server
+
+import (
+	"testing"
+
+	"github.com/grafana/grafana/pkg/services/sqlstore"
+	"github.com/grafana/grafana/pkg/setting"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	authzextv1 "github.com/grafana/grafana/pkg/services/authz/proto/v1"
+	"github.com/grafana/grafana/pkg/services/authz/zanzana/common"
+	"github.com/stretchr/testify/require"
+)
+
+func TestWriteAuthorization(t *testing.T) {
+	cfg := setting.NewCfg()
+	testStore := sqlstore.NewTestStore(t, sqlstore.WithCfg(cfg))
+	srv := setupOpenFGAServer(t, testStore, cfg)
+	setup(t, srv)
+
+	req := &authzextv1.WriteRequest{
+		Namespace: namespace,
+		Writes: &authzextv1.WriteRequestWrites{
+			TupleKeys: []*authzextv1.TupleKey{
+				{
+					// Folder parent tuples are valid without any relationship condition.
+					User:     "folder:1",
+					Relation: common.RelationParent,
+					Object:   "folder:write-authz-test",
+				},
+			},
+		},
+	}
+
+	t.Run("denies Write without zanzana:update", func(t *testing.T) {
+		_, err := srv.Write(newContextWithNamespace(), req)
+		require.Error(t, err)
+		require.Equal(t, codes.PermissionDenied, status.Code(err))
+	})
+
+	t.Run("allows Write with zanzana:update", func(t *testing.T) {
+		_, err := srv.Write(newContextWithZanzanaUpdatePermission(), req)
+		require.NoError(t, err)
+	})
+}