+ "ZipFile": "import boto3 # type: ignore\nimport json\nimport logging\nimport urllib.request\n\ns3 = boto3.client(\"s3\")\n\nEVENTBRIDGE_CONFIGURATION = 'EventBridgeConfiguration'\nCONFIGURATION_TYPES = [\"TopicConfigurations\", \"QueueConfigurations\", \"LambdaFunctionConfigurations\"]\n\ndef handler(event: dict, context):\n response_status = \"SUCCESS\"\n error_message = \"\"\n try:\n props = event[\"ResourceProperties\"]\n notification_configuration = props[\"NotificationConfiguration\"]\n managed = props.get('Managed', 'true').lower() == 'true'\n applyNameTransformations = props.get('ApplyNameTransformations', 'false').lower() == 'true'\n stack_id = event['StackId']\n old = event.get(\"OldResourceProperties\", {}).get(\"NotificationConfiguration\", {})\n if managed:\n config = handle_managed(event[\"RequestType\"], notification_configuration)\n else:\n config = handle_unmanaged(props[\"BucketName\"], stack_id, event[\"RequestType\"], notification_configuration, old, applyNameTransformations)\n s3.put_bucket_notification_configuration(Bucket=props[\"BucketName\"], NotificationConfiguration=config)\n except Exception as e:\n logging.exception(\"Failed to put bucket notification configuration\")\n response_status = \"FAILED\"\n error_message = f\"Error: {str(e)}. \"\n finally:\n submit_response(event, context, response_status, error_message)\n\ndef handle_managed(request_type, notification_configuration):\n if request_type == 'Delete':\n return {}\n return notification_configuration\n\ndef handle_unmanaged(bucket, stack_id, request_type, notification_configuration, old, applyNameTransformations):\n def get_id(n):\n n['Id'] = ''\n strToHash=json.dumps(n, sort_keys=True).replace('\"Name\": \"prefix\"', '\"Name\": \"Prefix\"').replace('\"Name\": \"suffix\"', '\"Name\": \"Suffix\"')\n return f\"{stack_id}-{hash(strToHash)}\"\n def with_id(n):\n if applyNameTransformations:\n n['Id'] = get_id(n)\n else:\n n['Id'] = f\"{stack_id}-{hash(json.dumps(n, sort_keys=True))}\"\n return n\n\n external_notifications = {}\n existing_notifications = s3.get_bucket_notification_configuration(Bucket=bucket)\n for t in CONFIGURATION_TYPES:\n if request_type == 'Update':\n if applyNameTransformations:\n old_incoming_ids = [get_id(n) for n in old.get(t, [])]\n external_notifications[t] = [n for n in existing_notifications.get(t, []) if not get_id(n) in old_incoming_ids]\n else:\n ids = [with_id(n) for n in old.get(t, [])]\n old_incoming_ids = [n['Id'] for n in ids]\n external_notifications[t] = [n for n in existing_notifications.get(t, []) if not n['Id'] in old_incoming_ids] \n elif request_type == 'Delete':\n external_notifications[t] = [n for n in existing_notifications.get(t, []) if not n['Id'].startswith(f\"{stack_id}-\")]\n elif request_type == 'Create':\n external_notifications[t] = [n for n in existing_notifications.get(t, [])]\n if EVENTBRIDGE_CONFIGURATION in existing_notifications:\n external_notifications[EVENTBRIDGE_CONFIGURATION] = existing_notifications[EVENTBRIDGE_CONFIGURATION]\n\n if request_type == 'Delete':\n return external_notifications\n\n notifications = {}\n for t in CONFIGURATION_TYPES:\n external = external_notifications.get(t, [])\n incoming = [with_id(n) for n in notification_configuration.get(t, [])]\n notifications[t] = external + incoming\n\n if EVENTBRIDGE_CONFIGURATION in notification_configuration:\n notifications[EVENTBRIDGE_CONFIGURATION] = notification_configuration[EVENTBRIDGE_CONFIGURATION]\n elif EVENTBRIDGE_CONFIGURATION in external_notifications:\n notifications[EVENTBRIDGE_CONFIGURATION] = external_notifications[EVENTBRIDGE_CONFIGURATION]\n\n return notifications\n\ndef submit_response(event: dict, context, response_status: str, error_message: str):\n response_body = json.dumps(\n {\n \"Status\": response_status,\n \"Reason\": f\"{error_message}See the details in CloudWatch Log Stream: {context.log_stream_name}\",\n \"PhysicalResourceId\": event.get(\"PhysicalResourceId\") or event[\"LogicalResourceId\"],\n \"StackId\": event[\"StackId\"],\n \"RequestId\": event[\"RequestId\"],\n \"LogicalResourceId\": event[\"LogicalResourceId\"],\n \"NoEcho\": False,\n }\n ).encode(\"utf-8\")\n headers = {\"content-type\": \"\", \"content-length\": str(len(response_body))}\n try:\n req = urllib.request.Request(url=event[\"ResponseURL\"], headers=headers, data=response_body, method=\"PUT\")\n with urllib.request.urlopen(req) as response:\n print(response.read().decode(\"utf-8\"))\n print(\"Status code: \" + response.reason)\n except Exception as e:\n print(\"send(..) failed executing request.urlopen(..): \" + str(e))"
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