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SecurityGroupIngressOpenToWorld.py
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SecurityGroupIngressOpenToWorld.py
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"""
Copyright 2018-2019 Skyscanner Ltd
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed
under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied. See the License for the
specific language governing permissions and limitations under the License.
"""
from pycfmodel.model.resources.security_group_ingress import SecurityGroupIngress
from .SecurityGroupOpenToWorldRule import SecurityGroupOpenToWorldRule
class SecurityGroupIngressOpenToWorld(SecurityGroupOpenToWorldRule):
def invoke(self, cfmodel):
for logical_id, resource in cfmodel.Resources.items():
if isinstance(resource, SecurityGroupIngress) and (
resource.ipv4_slash_zero() or resource.ipv6_slash_zero()
):
for port in range(resource.Properties.FromPort, resource.Properties.ToPort + 1):
if str(port) not in self._config.allowed_world_open_ports:
self.add_failure(type(self).__name__, self.REASON.format(port, logical_id))