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"""NetworkFirewallBackend class with methods for supported APIs."""
from typing import Any, Optional
from moto.core.base_backend import BackendDict, BaseBackend
from moto.core.common_models import BaseModel
from moto.es.exceptions import ResourceNotFound
from moto.utilities.paginator import paginate
from moto.utilities.tagging_service import TaggingService
PAGINATION_MODEL = {
"list_firewalls": {
"input_token": "next_token",
"limit_key": "max_results",
"limit_default": 100,
"unique_attribute": "arn",
},
}
class NetworkFirewallModel(BaseModel):
def __init__(
self,
account_id: str,
region_name: str,
firewall_name: str,
firewall_policy_arn: str,
vpc_id: str,
subnet_mappings: list[str],
delete_protection: bool,
subnet_change_protection: bool,
firewall_policy_change_protection: bool,
description: str,
tags: list[dict[str, str]],
encryption_configuration: dict[str, str],
enabled_analysis_types: list[str],
):
self.firewall_name = firewall_name
self.firewall_policy_arn = firewall_policy_arn
self.vpc_id = vpc_id
self.subnet_mappings = subnet_mappings
self.delete_protection: bool = (
delete_protection if delete_protection is not None else True
)
self.subnet_change_protection: bool = (
subnet_change_protection if subnet_change_protection is not None else True
)
self.firewall_policy_change_protection: bool = (
firewall_policy_change_protection
if firewall_policy_change_protection is not None
else True
)
self.description = description
self.tags = tags
self.encryption_configuration = encryption_configuration
self.enabled_analysis_types = enabled_analysis_types
self.arn = f"arn:aws:network-firewall:{region_name}:{account_id}:firewall/{self.firewall_name}"
self.update_token = "1a2b3c4d-5e6f-7a8b-9c0d-1e2f3a4b5c6d"
self.firewall_status = {
"Status": "READY",
"ConfigurationSyncStateSummary": "IN_SYNC",
}
self.logging_configs: dict[str, list[dict[str, Any]]] = {}
def to_dict(self) -> dict[str, Any]:
return {
"FirewallName": self.firewall_name,
"FirewallArn": self.arn,
"FirewallPolicyArn": self.firewall_policy_arn,
"VpcId": self.vpc_id,
"SubnetMappings": self.subnet_mappings,
"DeleteProtection": self.delete_protection,
"SubnetChangeProtection": self.subnet_change_protection,
"FirewallPolicyChangeProtection": self.firewall_policy_change_protection,
"Description": self.description,
"Tags": self.tags,
"EncryptionConfiguration": self.encryption_configuration,
"EnabledAnalysisTypes": self.enabled_analysis_types,
}
class NetworkFirewallBackend(BaseBackend):
"""Implementation of NetworkFirewall APIs."""
def __init__(self, region_name: str, account_id: str) -> None:
super().__init__(region_name, account_id)
self.firewalls: dict[str, NetworkFirewallModel] = {}
self.tagger = TaggingService()
def create_firewall(
self,
firewall_name: str,
firewall_policy_arn: str,
vpc_id: str,
subnet_mappings: list[str],
delete_protection: bool,
subnet_change_protection: bool,
firewall_policy_change_protection: bool,
description: str,
tags: list[dict[str, str]],
encryption_configuration: dict[str, str],
enabled_analysis_types: list[str],
) -> NetworkFirewallModel:
firewall = NetworkFirewallModel(
self.account_id,
self.region_name,
firewall_name=firewall_name,
firewall_policy_arn=firewall_policy_arn,
vpc_id=vpc_id,
subnet_mappings=subnet_mappings,
delete_protection=delete_protection,
subnet_change_protection=subnet_change_protection,
firewall_policy_change_protection=firewall_policy_change_protection,
description=description,
tags=tags,
encryption_configuration=encryption_configuration,
enabled_analysis_types=enabled_analysis_types,
)
self.firewalls[firewall.arn] = firewall
if tags:
self.tagger.tag_resource(firewall.arn, tags)
return firewall
def _get_firewall(
self, firewall_arn: Optional[str], firewall_name: Optional[str]
) -> NetworkFirewallModel:
if firewall_arn:
if firewall_arn in self.firewalls:
return self.firewalls[firewall_arn]
for firewall in self.firewalls.values():
if firewall.firewall_name == firewall_name:
return firewall
raise ResourceNotFound("NetworkFirewall", str(firewall_arn or firewall_name))
def describe_logging_configuration(
self, firewall_arn: str, firewall_name: str
) -> NetworkFirewallModel:
firewall: NetworkFirewallModel = self._get_firewall(firewall_arn, firewall_name)
return firewall
def update_logging_configuration(
self,
firewall_arn: str,
firewall_name: str,
logging_configuration: dict[str, list[dict[str, Any]]],
) -> NetworkFirewallModel:
firewall: NetworkFirewallModel = self._get_firewall(firewall_arn, firewall_name)
firewall.logging_configs = logging_configuration
return firewall
@paginate(pagination_model=PAGINATION_MODEL)
def list_firewalls(self, vpc_ids: list[str]) -> list[NetworkFirewallModel]:
firewalls = list(self.firewalls.values())
if vpc_ids:
firewalls = [fw for fw in firewalls if fw.vpc_id in vpc_ids]
return firewalls
def describe_firewall(
self, firewall_name: str, firewall_arn: str
) -> NetworkFirewallModel:
return self._get_firewall(firewall_arn, firewall_name)
networkfirewall_backends = BackendDict(NetworkFirewallBackend, "network-firewall")
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