cdk-nag/lib/rules/iam/IAMPolicyNoStatementsWithFullAccess.js

Check CDK v2 applications for best practices using a combination on available rule packs.

"use strict";
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_iam_1 = require("aws-cdk-lib/aws-iam");
const nag_rules_1 = require("../../nag-rules");
/**
 * IAM policies do not grant full access, meaning the policy allows a principal to perform all actions on individual resources
 * @param node the CfnResource to check
 */
exports.default = Object.defineProperty((node) => {
    if (node instanceof aws_iam_1.CfnPolicy || node instanceof aws_iam_1.CfnManagedPolicy) {
        if (checkDocument(node, node.policyDocument)) {
            return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
        }
        return nag_rules_1.NagRuleCompliance.COMPLIANT;
    }
    else if (node instanceof aws_iam_1.CfnGroup || node instanceof aws_iam_1.CfnRole) {
        if (node.policies != undefined && checkDocument(node, node.policies)) {
            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 for parsing through the policy document
 * @param node the CfnResource to Check
 * @param policyDoc the JSON policy document
 * @returns boolean
 */
function checkDocument(node, policyDoc) {
    const resolvedDoc = aws_cdk_lib_1.Stack.of(node).resolve(policyDoc);
    const reg = /"Action":\[?(.*,)?"(?:\w+:)?\*"(,.*)?\]?,"Effect":"Allow"/gm;
    if (JSON.stringify(resolvedDoc).search(reg) != -1) {
        return true;
    }
    return false;
}
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