cdk-nag
Version:
Check CDK v2 applications for best practices using a combination on available rule packs.
115 lines • 13.7 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_sns_1 = require("aws-cdk-lib/aws-sns");
const nag_rules_1 = require("../../nag-rules");
/**
* SNS topics require SSL requests for publishing
* @param node the CfnResource to check
*/
exports.default = Object.defineProperty((node) => {
if (node instanceof aws_sns_1.CfnTopic) {
const topicKey = aws_cdk_lib_1.Stack.of(node).resolve(node.kmsMasterKeyId);
if (topicKey === undefined) {
const topicLogicalId = nag_rules_1.NagRules.resolveResourceFromIntrinsic(node, node.ref);
const topicName = aws_cdk_lib_1.Stack.of(node).resolve(node.topicName);
let found = false;
for (const child of aws_cdk_lib_1.Stack.of(node).node.findAll()) {
if (child instanceof aws_sns_1.CfnTopicPolicy) {
if (isMatchingCompliantPolicy(child, topicLogicalId, topicName)) {
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 topic Policy requires SSL on the given topic.
* @param node The CfnTopicPolicy to check.
* @param topicLogicalId The Cfn Logical ID of the topic.
* @param topicName The name of the topic.
* @returns Whether the CfnTopicPolicy requires SSL on the given topic.
*/
function isMatchingCompliantPolicy(node, topicLogicalId, topicName) {
let found = false;
for (const topic of node.topics) {
const resolvedTopic = nag_rules_1.NagRules.resolveResourceFromIntrinsic(node, topic);
if (resolvedTopic === topicLogicalId ||
(topicName !== undefined && resolvedTopic.endsWith(topicName))) {
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 topic Policy applies to topic actions
* @param node The CfnTopicPolicy to check
* @param actions The action in the topic policy
* @returns Whether the CfnTopicPolicy applies to topic actions
*/
function checkMatchingAction(actions) {
if (Array.isArray(actions)) {
for (const action of actions) {
if (action.toLowerCase() === 'sns:publish') {
return true;
}
}
}
else if (actions.toLowerCase() === 'sns:publish') {
return true;
}
return false;
}
/**
* Helper function to check whether the topic Policy applies to all principals
* @param node The CfnTopicPolicy to check
* @param principal The principals in the topic policy
* @returns Whether the CfnTopicPolicy 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":"SNSTopicSSLPublishOnly.js","sourceRoot":"","sources":["../../../src/rules/sns/SNSTopicSSLPublishOnly.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,QAAQ,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,cAAc,CAAC,CAAC;QAC7D,IAAI,QAAQ,KAAK,SAAS,EAAE,CAAC;YAC3B,MAAM,cAAc,GAAG,oBAAQ,CAAC,4BAA4B,CAC1D,IAAI,EACJ,IAAI,CAAC,GAAG,CACT,CAAC;YACF,MAAM,SAAS,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;YACzD,IAAI,KAAK,GAAG,KAAK,CAAC;YAClB,KAAK,MAAM,KAAK,IAAI,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,IAAI,CAAC,OAAO,EAAE,EAAE,CAAC;gBAClD,IAAI,KAAK,YAAY,wBAAc,EAAE,CAAC;oBACpC,IAAI,yBAAyB,CAAC,KAAK,EAAE,cAAc,EAAE,SAAS,CAAC,EAAE,CAAC;wBAChE,KAAK,GAAG,IAAI,CAAC;wBACb,MAAM;oBACR,CAAC;gBACH,CAAC;YACH,CAAC;YACD,IAAI,CAAC,KAAK,EAAE,CAAC;gBACX,OAAO,6BAAiB,CAAC,aAAa,CAAC;YACzC,CAAC;QACH,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,CAAC,WAAW,EAAE,KAAK,aAAa,EAAE,CAAC;gBAC3C,OAAO,IAAI,CAAC;YACd,CAAC;QACH,CAAC;IACH,CAAC;SAAM,IAAI,OAAO,CAAC,WAAW,EAAE,KAAK,aAAa,EAAE,CAAC;QACnD,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 { CfnTopic, CfnTopicPolicy } from 'aws-cdk-lib/aws-sns';\nimport { NagRuleCompliance, NagRules } from '../../nag-rules';\n\n/**\n * SNS topics require SSL requests for publishing\n * @param node the CfnResource to check\n */\nexport default Object.defineProperty(\n  (node: CfnResource): NagRuleCompliance => {\n    if (node instanceof CfnTopic) {\n      const topicKey = Stack.of(node).resolve(node.kmsMasterKeyId);\n      if (topicKey === undefined) {\n        const topicLogicalId = NagRules.resolveResourceFromIntrinsic(\n          node,\n          node.ref\n        );\n        const topicName = Stack.of(node).resolve(node.topicName);\n        let found = false;\n        for (const child of Stack.of(node).node.findAll()) {\n          if (child instanceof CfnTopicPolicy) {\n            if (isMatchingCompliantPolicy(child, topicLogicalId, topicName)) {\n              found = true;\n              break;\n            }\n          }\n        }\n        if (!found) {\n          return NagRuleCompliance.NON_COMPLIANT;\n        }\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 topic Policy requires SSL on the given topic.\n * @param node The CfnTopicPolicy to check.\n * @param topicLogicalId The Cfn Logical ID of the topic.\n * @param topicName The name of the topic.\n * @returns Whether the CfnTopicPolicy requires SSL on the given topic.\n */\nfunction isMatchingCompliantPolicy(\n  node: CfnTopicPolicy,\n  topicLogicalId: string,\n  topicName: string | undefined\n): boolean {\n  let found = false;\n  for (const topic of node.topics) {\n    const resolvedTopic = NagRules.resolveResourceFromIntrinsic(node, topic);\n    if (\n      resolvedTopic === topicLogicalId ||\n      (topicName !== undefined && (<string>resolvedTopic).endsWith(topicName))\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 topic Policy applies to topic actions\n * @param node The CfnTopicPolicy to check\n * @param actions The action in the topic policy\n * @returns Whether the CfnTopicPolicy applies to topic actions\n */\nfunction checkMatchingAction(actions: any): boolean {\n  if (Array.isArray(actions)) {\n    for (const action of actions) {\n      if (action.toLowerCase() === 'sns:publish') {\n        return true;\n      }\n    }\n  } else if (actions.toLowerCase() === 'sns:publish') {\n    return true;\n  }\n  return false;\n}\n\n/**\n * Helper function to check whether the topic Policy applies to all principals\n * @param node The CfnTopicPolicy to check\n * @param principal The principals in the topic policy\n * @returns Whether the CfnTopicPolicy 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"]}