3 D\@s@dZddlZddlmZddlmZddlZGdddeZdS)a Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. N)CloudFormationLintRule) RuleMatchc@sZeZdZdZdZdZdZdZdddgZdZ d d d d gZ d dZ ddZ ddZ ddZdS) Permissionsz"Check IAM Permission configurationZW3037zCheck for valid IAM PermissionszXhttps://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements_action.html propertiesZiam permissionsTzAWS::IAM::ManagedPolicyzAWS::IAM::PolicyzAWS::SNS::TopicPolicyzAWS::SQS::QueuePolicycCsntjjdd}i}xT|jD]H\}}|dj}dd|dD}||kr^|||7<q|||<qW|S)z] Convert policies.json into a simpler version for more efficient key lookup. z#/data/AdditionalSpecs/Policies.jsonZ serviceMap StringPrefixcSsg|] }|jqS)lower).0xrr/private/var/folders/pf/wv4htv3x0qs2c2mp0dnn0kchsvlck3/T/pip-install-emcbgzcf/cfn-lint/cfnlint/rules/resources/iam/Permissions.py 4sz0Permissions.load_service_map..ZActions)cfnlintZhelpersZload_resourcesitemsr )self service_mapZpolicy_service_map_rserviceactionsrrr load_service_map)s  zPermissions.load_service_mapc sBg}|dkr|S|jd\}}|j}|j}||kr|jdr|jddtfdd||Dsd} |jt|| j||dj|n|jdr|jddtfd d||Dsd} |jt|| j||dj|n2|||kr>d} |jt|| j||dj|n"d } |jt|| j|dj||S) z. Check if permission is valid *:rc3s|]}|kVqdS)Nr)r action)wilcarded_permissionrr Osz0Permissions.check_permissions..z5Invalid permission "{}" for "{}" found in permissions/c3s|]}|kVqdS)Nr)r r)rrr rXsz)Invalid service "{}" found in permissions) splitr endswithanyappendrformatjoin startswith) rrpathrmatchesrZ permissionZ service_valueZpermission_valuemessager)rr check_permissions>sF   zPermissions.check_permissionscCsg}d|krPt|jdtjr0|j|jdn t|jdtrP|j|jdd|krt|jdtjr||j|jdn t|jdtr|j|jd|S)z#return all actions from a statementZActionZ NotAction) isinstancegetsix string_typesr listextend)reffective_permissionsrrrr get_actionsmszPermissions.get_actionsc Csg}g}|j}x$|jD]}|j|j|ddgqWx|D]~}|d}|d}g} t|trp| j|j|n(t|trx|D]} | j|j| qWx | D]} |j|j| ||qWqs