feat(neptune): add new fixer neptune_cluster_public_snapshot_fixer

prowler/providers/aws/services/neptune/neptune_cluster_public_snapshot/neptune_cluster_public_snapshot_fixer.py

@@ -0,0 +1,43 @@
+from prowler.lib.logger import logger
+from prowler.providers.aws.services.neptune.neptune_client import neptune_client
+
+
+def fixer(resource_id: str, region: str) -> bool:
+    """
+    Modify the attributes of a Neptune DB cluster snapshot to remove public access.
+    Specifically, this fixer removes the 'all' value from the 'restore' attribute to
+    prevent the snapshot from being publicly accessible.
+
+    Requires the rds:ModifyDBClusterSnapshotAttribute permissions.
+    {
+        "Version": "2012-10-17",
+        "Statement": [
+            {
+                "Effect": "Allow",
+                "Action": "rds:ModifyDBClusterSnapshotAttribute",
+                "Resource": "*"
+            }
+        ]
+    }
+
+    Args:
+        resource_id (str): The DB cluster snapshot identifier.
+        region (str): AWS region where the snapshot exists.
+
+    Returns:
+        bool: True if the operation is successful (public access is removed), False otherwise.
+    """
+    try:
+        regional_client = neptune_client.regional_clients[region]
+        regional_client.modify_db_cluster_snapshot_attribute(
+            DBClusterSnapshotIdentifier=resource_id,
+            AttributeName="restore",
+            ValuesToRemove=["all"],
+        )
+    except Exception as error:
+        logger.error(
+            f"{region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
+        )
+        return False
+    else:
+        return True

tests/providers/aws/services/neptune/neptune_cluster_public_snapshot/neptune_cluster_public_snapshot_fixer_test.py

@@ -0,0 +1,89 @@
+from unittest import mock
+
+import botocore
+import botocore.client
+from moto import mock_aws
+
+from tests.providers.aws.utils import AWS_REGION_EU_WEST_1, set_mocked_aws_provider
+
+mock_make_api_call = botocore.client.BaseClient._make_api_call
+
+
+def mock_make_api_call_public_snapshot(self, operation_name, kwarg):
+    if operation_name == "ModifyDBClusterSnapshotAttribute":
+        return {
+            "DBClusterSnapshotAttributesResult": {
+                "DBClusterSnapshotAttributes": [
+                    {
+                        "AttributeName": "restore",
+                        "DBClusterSnapshotIdentifier": "test-snapshot",
+                        "AttributeValues": [],
+                    }
+                ]
+            }
+        }
+    return mock_make_api_call(self, operation_name, kwarg)
+
+
+def mock_make_api_call_public_snapshot_error(self, operation_name, kwarg):
+    if operation_name == "ModifyDBClusterSnapshotAttribute":
+        raise botocore.exceptions.ClientError(
+            {
+                "Error": {
+                    "Code": "DBClusterSnapshotNotFoundFault",
+                    "Message": "DBClusterSnapshotNotFoundFault",
+                }
+            },
+            operation_name,
+        )
+    return mock_make_api_call(self, operation_name, kwarg)
+
+
+class Test_neptune_cluster_public_snapshot_fixer:
+    @mock_aws
+    def test_neptune_cluster_public_snapshot_fixer(self):
+        with mock.patch(
+            "botocore.client.BaseClient._make_api_call",
+            new=mock_make_api_call_public_snapshot,
+        ):
+            from prowler.providers.aws.services.neptune.neptune_service import Neptune
+
+            aws_provider = set_mocked_aws_provider([AWS_REGION_EU_WEST_1])
+
+            with mock.patch(
+                "prowler.providers.common.provider.Provider.get_global_provider",
+                return_value=aws_provider,
+            ), mock.patch(
+                "prowler.providers.aws.services.neptune.neptune_cluster_public_snapshot.neptune_cluster_public_snapshot_fixer.neptune_client",
+                new=Neptune(aws_provider),
+            ):
+                from prowler.providers.aws.services.neptune.neptune_cluster_public_snapshot.neptune_cluster_public_snapshot_fixer import (
+                    fixer,
+                )
+
+                assert fixer(resource_id="test-snapshot", region=AWS_REGION_EU_WEST_1)
+
+    @mock_aws
+    def test_neptune_cluster_public_snapshot_fixer_error(self):
+        with mock.patch(
+            "botocore.client.BaseClient._make_api_call",
+            new=mock_make_api_call_public_snapshot_error,
+        ):
+            from prowler.providers.aws.services.neptune.neptune_service import Neptune
+
+            aws_provider = set_mocked_aws_provider([AWS_REGION_EU_WEST_1])
+
+            with mock.patch(
+                "prowler.providers.common.provider.Provider.get_global_provider",
+                return_value=aws_provider,
+            ), mock.patch(
+                "prowler.providers.aws.services.neptune.neptune_cluster_public_snapshot.neptune_cluster_public_snapshot_fixer.neptune_client",
+                new=Neptune(aws_provider),
+            ):
+                from prowler.providers.aws.services.neptune.neptune_cluster_public_snapshot.neptune_cluster_public_snapshot_fixer import (
+                    fixer,
+                )
+
+                assert not fixer(
+                    resource_id="test-snapshot", region=AWS_REGION_EU_WEST_1
+                )