cdk-nag/lib/rules/sqs/SQSQueueSSLRequestsOnly.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_sqs_1 = require("aws-cdk-lib/aws-sqs");
const nag_rules_1 = require("../../nag-rules");
/**
 * SQS queues require SSL requests
 * @param node the CfnResource to check
 */
exports.default = Object.defineProperty((node) => {
    if (node instanceof aws_sqs_1.CfnQueue) {
        const queueLogicalId = nag_rules_1.NagRules.resolveResourceFromIntrinsic(node, node.ref);
        const queueName = aws_cdk_lib_1.Stack.of(node).resolve(node.queueName);
        let found = false;
        for (const child of aws_cdk_lib_1.Stack.of(node).node.findAll()) {
            if (child instanceof aws_sqs_1.CfnQueuePolicy) {
                if (isMatchingCompliantPolicy(child, queueLogicalId, queueName)) {
                    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: (0, path_1.parse)(__filename).name });
/**
 * Helper function to check whether the queue Policy requires SSL on the given queue.
 * @param node The CfnQueuePolicy to check.
 * @param queueLogicalId The Cfn Logical ID of the queue.
 * @param queueName The name of the queue.
 * @returns Whether the CfnQueuePolicy requires SSL on the given queue.
 */
function isMatchingCompliantPolicy(node, queueLogicalId, queueName) {
    let found = false;
    for (const queue of node.queues) {
        const resolvedQueue = nag_rules_1.NagRules.resolveResourceFromIntrinsic(node, queue);
        if (resolvedQueue === queueLogicalId ||
            (queueName !== undefined && resolvedQueue.endsWith(queueName))) {
            found = true;
            break;
        }
    }
    if (!found) {
        return false;
    }
    const resolvedPolicyDocument = aws_cdk_lib_1.Stack.of(node).resolve(node.policyDocument);
    for (const statement of resolvedPolicyDocument.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)) {
            return true;
        }
    }
    return false;
}
/**
 * Helper function to check whether the queue Policy applies to queue actions
 * @param node The CfnQueuePolicy to check
 * @param actions The action in the queue policy
 * @returns Whether the CfnQueuePolicy applies to queue actions
 */
function checkMatchingAction(actions) {
    if (Array.isArray(actions)) {
        for (const action of actions) {
            if (action === '*' || action.toLowerCase() === 'sqs:*') {
                return true;
            }
        }
    }
    else if (actions === '*' || actions.toLowerCase() === 'sqs:*') {
        return true;
    }
    return false;
}
/**
 * Helper function to check whether the queue Policy applies to all principals
 * @param node The CfnQueuePolicy to check
 * @param principal The principals in the queue policy
 * @returns Whether the CfnQueuePolicy 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;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"SQSQueueSSLRequestsOnly.js","sourceRoot":"","sources":["../../../src/rules/sqs/SQSQueueSSLRequestsOnly.ts"],"names":[],"mappings":";;AAAA;;;EAGE;AACF,+BAA6B;AAC7B,6CAAiD;AACjD,iDAA+D;AAC/D,+CAA8D;AAE9D;;;GAGG;AACH,kBAAe,MAAM,CAAC,cAAc,CAClC,CAAC,IAAiB,EAAqB,EAAE;IACvC,IAAI,IAAI,YAAY,kBAAQ,EAAE,CAAC;QAC7B,MAAM,cAAc,GAAG,oBAAQ,CAAC,4BAA4B,CAC1D,IAAI,EACJ,IAAI,CAAC,GAAG,CACT,CAAC;QACF,MAAM,SAAS,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;QACzD,IAAI,KAAK,GAAG,KAAK,CAAC;QAClB,KAAK,MAAM,KAAK,IAAI,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,IAAI,CAAC,OAAO,EAAE,EAAE,CAAC;YAClD,IAAI,KAAK,YAAY,wBAAc,EAAE,CAAC;gBACpC,IAAI,yBAAyB,CAAC,KAAK,EAAE,cAAc,EAAE,SAAS,CAAC,EAAE,CAAC;oBAChE,KAAK,GAAG,IAAI,CAAC;oBACb,MAAM;gBACR,CAAC;YACH,CAAC;QACH,CAAC;QACD,IAAI,CAAC,KAAK,EAAE,CAAC;YACX,OAAO,6BAAiB,CAAC,aAAa,CAAC;QACzC,CAAC;QACD,OAAO,6BAAiB,CAAC,SAAS,CAAC;IACrC,CAAC;SAAM,CAAC;QACN,OAAO,6BAAiB,CAAC,cAAc,CAAC;IAC1C,CAAC;AACH,CAAC,EACD,MAAM,EACN,EAAE,KAAK,EAAE,IAAA,YAAK,EAAC,UAAU,CAAC,CAAC,IAAI,EAAE,CAClC,CAAC;AAEF;;;;;;GAMG;AACH,SAAS,yBAAyB,CAChC,IAAoB,EACpB,cAAsB,EACtB,SAA6B;IAE7B,IAAI,KAAK,GAAG,KAAK,CAAC;IAClB,KAAK,MAAM,KAAK,IAAI,IAAI,CAAC,MAAM,EAAE,CAAC;QAChC,MAAM,aAAa,GAAG,oBAAQ,CAAC,4BAA4B,CAAC,IAAI,EAAE,KAAK,CAAC,CAAC;QACzE,IACE,aAAa,KAAK,cAAc;YAChC,CAAC,SAAS,KAAK,SAAS,IAAa,aAAc,CAAC,QAAQ,CAAC,SAAS,CAAC,CAAC,EACxE,CAAC;YACD,KAAK,GAAG,IAAI,CAAC;YACb,MAAM;QACR,CAAC;IACH,CAAC;IACD,IAAI,CAAC,KAAK,EAAE,CAAC;QACX,OAAO,KAAK,CAAC;IACf,CAAC;IACD,MAAM,sBAAsB,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,cAAc,CAAC,CAAC;IAC3E,KAAK,MAAM,SAAS,IAAI,sBAAsB,CAAC,SAAS,EAAE,CAAC;QACzD,MAAM,iBAAiB,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC;QAC5D,MAAM,eAAe,GACnB,iBAAiB,EAAE,SAAS,EAAE,IAAI,EAAE,CAAC,qBAAqB,CAAC,CAAC;QAC9D,IACE,iBAAiB,CAAC,MAAM,KAAK,MAAM;YACnC,mBAAmB,CAAC,iBAAiB,CAAC,MAAM,CAAC,KAAK,IAAI;YACtD,sBAAsB,CAAC,iBAAiB,CAAC,SAAS,CAAC,KAAK,IAAI;YAC5D,CAAC,eAAe,KAAK,OAAO,IAAI,eAAe,KAAK,KAAK,CAAC,EAC1D,CAAC;YACD,OAAO,IAAI,CAAC;QACd,CAAC;IACH,CAAC;IACD,OAAO,KAAK,CAAC;AACf,CAAC;AAED;;;;;GAKG;AACH,SAAS,mBAAmB,CAAC,OAAY;IACvC,IAAI,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,EAAE,CAAC;QAC3B,KAAK,MAAM,MAAM,IAAI,OAAO,EAAE,CAAC;YAC7B,IAAI,MAAM,KAAK,GAAG,IAAI,MAAM,CAAC,WAAW,EAAE,KAAK,OAAO,EAAE,CAAC;gBACvD,OAAO,IAAI,CAAC;YACd,CAAC;QACH,CAAC;IACH,CAAC;SAAM,IAAI,OAAO,KAAK,GAAG,IAAI,OAAO,CAAC,WAAW,EAAE,KAAK,OAAO,EAAE,CAAC;QAChE,OAAO,IAAI,CAAC;IACd,CAAC;IACD,OAAO,KAAK,CAAC;AACf,CAAC;AAED;;;;;GAKG;AACH,SAAS,sBAAsB,CAAC,UAAe;IAC7C,IAAI,UAAU,KAAK,GAAG,EAAE,CAAC;QACvB,OAAO,IAAI,CAAC;IACd,CAAC;IACD,MAAM,YAAY,GAAG,UAAU,CAAC,GAAG,CAAC;IACpC,IAAI,KAAK,CAAC,OAAO,CAAC,YAAY,CAAC,EAAE,CAAC;QAChC,KAAK,MAAM,OAAO,IAAI,YAAY,EAAE,CAAC;YACnC,IAAI,OAAO,KAAK,GAAG,EAAE,CAAC;gBACpB,OAAO,IAAI,CAAC;YACd,CAAC;QACH,CAAC;IACH,CAAC;SAAM,IAAI,YAAY,KAAK,GAAG,EAAE,CAAC;QAChC,OAAO,IAAI,CAAC;IACd,CAAC;IACD,OAAO,KAAK,CAAC;AACf,CAAC","sourcesContent":["/*\nCopyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\nSPDX-License-Identifier: Apache-2.0\n*/\nimport { parse } from 'path';\nimport { CfnResource, Stack } from 'aws-cdk-lib';\nimport { CfnQueue, CfnQueuePolicy } from 'aws-cdk-lib/aws-sqs';\nimport { NagRuleCompliance, NagRules } from '../../nag-rules';\n\n/**\n * SQS queues require SSL requests\n * @param node the CfnResource to check\n */\nexport default Object.defineProperty(\n  (node: CfnResource): NagRuleCompliance => {\n    if (node instanceof CfnQueue) {\n      const queueLogicalId = NagRules.resolveResourceFromIntrinsic(\n        node,\n        node.ref\n      );\n      const queueName = Stack.of(node).resolve(node.queueName);\n      let found = false;\n      for (const child of Stack.of(node).node.findAll()) {\n        if (child instanceof CfnQueuePolicy) {\n          if (isMatchingCompliantPolicy(child, queueLogicalId, queueName)) {\n            found = true;\n            break;\n          }\n        }\n      }\n      if (!found) {\n        return NagRuleCompliance.NON_COMPLIANT;\n      }\n      return NagRuleCompliance.COMPLIANT;\n    } else {\n      return NagRuleCompliance.NOT_APPLICABLE;\n    }\n  },\n  'name',\n  { value: parse(__filename).name }\n);\n\n/**\n * Helper function to check whether the queue Policy requires SSL on the given queue.\n * @param node The CfnQueuePolicy to check.\n * @param queueLogicalId The Cfn Logical ID of the queue.\n * @param queueName The name of the queue.\n * @returns Whether the CfnQueuePolicy requires SSL on the given queue.\n */\nfunction isMatchingCompliantPolicy(\n  node: CfnQueuePolicy,\n  queueLogicalId: string,\n  queueName: string | undefined\n): boolean {\n  let found = false;\n  for (const queue of node.queues) {\n    const resolvedQueue = NagRules.resolveResourceFromIntrinsic(node, queue);\n    if (\n      resolvedQueue === queueLogicalId ||\n      (queueName !== undefined && (<string>resolvedQueue).endsWith(queueName))\n    ) {\n      found = true;\n      break;\n    }\n  }\n  if (!found) {\n    return false;\n  }\n  const resolvedPolicyDocument = Stack.of(node).resolve(node.policyDocument);\n  for (const statement of resolvedPolicyDocument.Statement) {\n    const resolvedStatement = Stack.of(node).resolve(statement);\n    const secureTransport =\n      resolvedStatement?.Condition?.Bool?.['aws:SecureTransport'];\n    if (\n      resolvedStatement.Effect === 'Deny' &&\n      checkMatchingAction(resolvedStatement.Action) === true &&\n      checkMatchingPrincipal(resolvedStatement.Principal) === true &&\n      (secureTransport === 'false' || secureTransport === false)\n    ) {\n      return true;\n    }\n  }\n  return false;\n}\n\n/**\n * Helper function to check whether the queue Policy applies to queue actions\n * @param node The CfnQueuePolicy to check\n * @param actions The action in the queue policy\n * @returns Whether the CfnQueuePolicy applies to queue actions\n */\nfunction checkMatchingAction(actions: any): boolean {\n  if (Array.isArray(actions)) {\n    for (const action of actions) {\n      if (action === '*' || action.toLowerCase() === 'sqs:*') {\n        return true;\n      }\n    }\n  } else if (actions === '*' || actions.toLowerCase() === 'sqs:*') {\n    return true;\n  }\n  return false;\n}\n\n/**\n * Helper function to check whether the queue Policy applies to all principals\n * @param node The CfnQueuePolicy to check\n * @param principal The principals in the queue policy\n * @returns Whether the CfnQueuePolicy applies to all principals\n */\nfunction checkMatchingPrincipal(principals: any): boolean {\n  if (principals === '*') {\n    return true;\n  }\n  const awsPrincipal = principals.AWS;\n  if (Array.isArray(awsPrincipal)) {\n    for (const account of awsPrincipal) {\n      if (account === '*') {\n        return true;\n      }\n    }\n  } else if (awsPrincipal === '*') {\n    return true;\n  }\n  return false;\n}\n"]}