cdk-nag
Version:
Check CDK v2 applications for best practices using a combination on available rule packs.
85 lines • 9.58 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/*
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
const path_1 = require("path");
const aws_cdk_lib_1 = require("aws-cdk-lib");
const aws_mediastore_1 = require("aws-cdk-lib/aws-mediastore");
const nag_rules_1 = require("../../nag-rules");
/**
* Media Store containers require requests to use SSL
* @param node the CfnResource to check
*/
exports.default = Object.defineProperty((node) => {
if (node instanceof aws_mediastore_1.CfnContainer) {
const policy = aws_cdk_lib_1.Stack.of(node).resolve(node.policy);
if (policy === undefined) {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
const parsedPolicy = JSON.parse(policy);
let found = false;
for (const statement of parsedPolicy?.Statement) {
const resolvedStatement = aws_cdk_lib_1.Stack.of(node).resolve(statement);
const secureTransport = resolvedStatement?.Condition?.Bool?.['aws:SecureTransport'];
if (resolvedStatement.Effect === 'Deny' &&
checkMatchingAction(resolvedStatement.Action) === true &&
checkMatchingPrincipal(resolvedStatement.Principal) === true &&
(secureTransport === 'false' || secureTransport === false)) {
found = true;
break;
}
}
if (!found) {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
return nag_rules_1.NagRuleCompliance.COMPLIANT;
}
else {
return nag_rules_1.NagRuleCompliance.NOT_APPLICABLE;
}
}, 'name', { value: path_1.parse(__filename).name });
/**
* Helper function to check whether the Bucket Policy applies to all actions
* @param node The policy statement to check
* @param actions The action in the bucket policy
* @returns Whether the policy statement applies to all actions
*/
function checkMatchingAction(actions) {
if (Array.isArray(actions)) {
for (const action of actions) {
if (action === '*' || action.toLowerCase() === 'mediastore:*') {
return true;
}
}
}
else if (actions === '*' || actions.toLowerCase() === 'mediastore:*') {
return true;
}
return false;
}
/**
* Helper function to check whether the Bucket Policy applies to all principals
* @param node The policy statement to check
* @param principal The principals in the bucket policy
* @returns Whether the policy statement applies to all principals
*/
function checkMatchingPrincipal(principals) {
if (principals === '*') {
return true;
}
const awsPrincipal = principals.AWS;
if (Array.isArray(awsPrincipal)) {
for (const account of awsPrincipal) {
if (account === '*') {
return true;
}
}
}
else if (awsPrincipal === '*') {
return true;
}
return false;
}
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