Files
prowler/providers/aws/services/kms/kms_service.py
2022-10-28 12:30:34 +02:00

121 lines
4.0 KiB
Python

import json
import threading
from dataclasses import dataclass
from lib.logger import logger
from providers.aws.aws_provider import generate_regional_clients
################## KMS
class KMS:
def __init__(self, audit_info):
self.service = "kms"
self.session = audit_info.audit_session
self.audited_account = audit_info.audited_account
self.regional_clients = generate_regional_clients(self.service, audit_info)
self.keys = []
self.__threading_call__(self.__list_keys__)
self.__describe_key__()
self.__get_key_rotation_status__()
self.__get_key_policy__()
def __get_session__(self):
return self.session
def __threading_call__(self, call):
threads = []
for regional_client in self.regional_clients.values():
threads.append(threading.Thread(target=call, args=(regional_client,)))
for t in threads:
t.start()
for t in threads:
t.join()
def __list_keys__(self, regional_client):
logger.info("KMS - Listing Keys...")
try:
list_keys_paginator = regional_client.get_paginator("list_keys")
for page in list_keys_paginator.paginate():
for key in page["Keys"]:
self.keys.append(
Key(
key["KeyId"],
key["KeyArn"],
regional_client.region,
)
)
except Exception as error:
logger.error(
f"{regional_client.region} -- {error.__class__.__name__}:{error.__traceback__.tb_lineno} -- {error}"
)
def __describe_key__(self):
logger.info("KMS - Describing Key...")
try:
for key in self.keys:
regional_client = self.regional_clients[key.region]
response = regional_client.describe_key(KeyId=key.id)
key.state = response["KeyMetadata"]["KeyState"]
key.origin = response["KeyMetadata"]["Origin"]
key.manager = response["KeyMetadata"]["KeyManager"]
except Exception as error:
logger.error(
f"{regional_client.region} -- {error.__class__.__name__}:{error.__traceback__.tb_lineno} -- {error}"
)
def __get_key_rotation_status__(self):
logger.info("KMS - Get Key Rotation Status...")
for key in self.keys:
try:
regional_client = self.regional_clients[key.region]
key.rotation_enabled = regional_client.get_key_rotation_status(
KeyId=key.id
)["KeyRotationEnabled"]
except Exception as error:
logger.error(
f"{regional_client.region} -- {error.__class__.__name__}:{error.__traceback__.tb_lineno} -- {error}"
)
def __get_key_policy__(self):
logger.info("KMS - Get Key Policy...")
for key in self.keys:
try:
if key.manager == "CUSTOMER": # only customer KMS have policies
regional_client = self.regional_clients[key.region]
key.policy = json.loads(
regional_client.get_key_policy(
KeyId=key.id, PolicyName="default"
)["Policy"]
)
except Exception as error:
logger.error(
f"{regional_client.region} -- {error.__class__.__name__}:{error.__traceback__.tb_lineno} -- {error}"
)
@dataclass
class Key:
id: str
arn: str
state: str
origin: str
manager: str
rotation_enabled: bool
policy: dict
region: str
def __init__(
self,
id,
arn,
region,
):
self.id = id
self.arn = arn
self.state = None
self.origin = None
self.manager = None
self.rotation_enabled = False
self.policy = {}
self.region = region