cdk-nag/lib/rules/s3/S3WebBucketOAIAccess.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_s3_1 = require("aws-cdk-lib/aws-s3");
const nag_rules_1 = require("../../nag-rules");
/**
 * S3 static website buckets do not have an open world bucket policy and use CloudFront Origin Access Identities in the bucket policy for limited getObject and/or putObject permissions
 * @param node the CfnResource to check
 */
exports.default = Object.defineProperty((node) => {
    if (node instanceof aws_s3_1.CfnBucket) {
        if (node.websiteConfiguration !== undefined) {
            const bucketLogicalId = nag_rules_1.NagRules.resolveResourceFromIntrinsic(node, node.ref);
            const bucketName = aws_cdk_lib_1.Stack.of(node).resolve(node.bucketName);
            let found = false;
            for (const child of aws_cdk_lib_1.Stack.of(node).node.findAll()) {
                if (child instanceof aws_s3_1.CfnBucketPolicy) {
                    if (isMatchingCompliantPolicy(child, bucketLogicalId, bucketName)) {
                        found = true;
                    }
                }
            }
            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 Bucket Policy does not allow for open access  and uses a restricted OAI Policy for access on the given bucket.
 * @param node The CfnBucketPolicy to check.
 * @param bucketLogicalId The Cfn Logical ID of the bucket.
 * @param bucketName The name of the bucket.
 * @returns Whether the CfnBucketPolicy allows for open access on the given bucket.
 */
function isMatchingCompliantPolicy(node, bucketLogicalId, bucketName) {
    const bucket = nag_rules_1.NagRules.resolveResourceFromIntrinsic(node, node.bucket);
    if (bucket !== bucketLogicalId && bucket !== bucketName) {
        return false;
    }
    const resolvedPolicyDocument = aws_cdk_lib_1.Stack.of(node).resolve(node.policyDocument);
    let found = false;
    for (const statement of resolvedPolicyDocument.Statement) {
        const resolvedStatement = aws_cdk_lib_1.Stack.of(node).resolve(statement);
        if (resolvedStatement.Effect === 'Allow') {
            if (checkStarPrincipals(resolvedStatement.Principal)) {
                return false;
            }
            if (checkOAIPrincipal(resolvedStatement.Principal)) {
                if (checkMatchingActions(normalizeArray(resolvedStatement.Action))) {
                    found = true;
                }
                else {
                    return false;
                }
            }
        }
    }
    return found;
}
/**
 * Helper function to check whether the Bucket Policy applies to all principals
 * @param node The CfnBucketPolicy to check
 * @param principal The principals in the bucket policy
 * @returns Whether the CfnBucketPolicy applies to all principals
 */
function checkStarPrincipals(principals) {
    return JSON.stringify(principals ?? '').includes('*');
}
/**
 * Helper function to check whether the Bucket Policy applies to a CloudFront OAI
 * @param node The CfnBucketPolicy to check
 * @param principal The principals in the bucket policy
 * @returns Whether the CfnBucketPolicy applies to a CloudFront OAI
 */
function checkOAIPrincipal(principals) {
    const usesAWSPrincipalOAI = JSON.stringify(principals.AWS ?? '').includes('CloudFront Origin Access Identity');
    const usesCanonicalUserPrincipal = !!principals?.CanonicalUser;
    return usesAWSPrincipalOAI || usesCanonicalUserPrincipal;
}
/**
 * Helper function to check whether the statement applies to only GetObject and/or PutObject actions
 * @param node The statement to check
 * @param actions The action in the bucket statement
 * @returns Whether the statement applies to only GetObject and/or PutObject actions
 */
function checkMatchingActions(actions) {
    for (const action of actions) {
        if (action.toLowerCase() !== 's3:getobject' &&
            action.toLowerCase() !== 's3:putobject') {
            return false;
        }
    }
    return true;
}
function normalizeArray(arrOrStr) {
    return Array.isArray(arrOrStr) ? arrOrStr : [arrOrStr];
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"S3WebBucketOAIAccess.js","sourceRoot":"","sources":["../../../src/rules/s3/S3WebBucketOAIAccess.ts"],"names":[],"mappings":";;AAAA;;;EAGE;AACF,+BAA6B;AAC7B,6CAAiD;AACjD,+CAAgE;AAChE,+CAA8D;AAE9D;;;GAGG;AACH,kBAAe,MAAM,CAAC,cAAc,CAClC,CAAC,IAAiB,EAAqB,EAAE;IACvC,IAAI,IAAI,YAAY,kBAAS,EAAE,CAAC;QAC9B,IAAI,IAAI,CAAC,oBAAoB,KAAK,SAAS,EAAE,CAAC;YAC5C,MAAM,eAAe,GAAG,oBAAQ,CAAC,4BAA4B,CAC3D,IAAI,EACJ,IAAI,CAAC,GAAG,CACT,CAAC;YACF,MAAM,UAAU,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC;YAC3D,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,wBAAe,EAAE,CAAC;oBACrC,IAAI,yBAAyB,CAAC,KAAK,EAAE,eAAe,EAAE,UAAU,CAAC,EAAE,CAAC;wBAClE,KAAK,GAAG,IAAI,CAAC;oBACf,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,IAAqB,EACrB,eAAuB,EACvB,UAA8B;IAE9B,MAAM,MAAM,GAAG,oBAAQ,CAAC,4BAA4B,CAAC,IAAI,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;IACxE,IAAI,MAAM,KAAK,eAAe,IAAI,MAAM,KAAK,UAAU,EAAE,CAAC;QACxD,OAAO,KAAK,CAAC;IACf,CAAC;IACD,MAAM,sBAAsB,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,cAAc,CAAC,CAAC;IAC3E,IAAI,KAAK,GAAG,KAAK,CAAC;IAClB,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,IAAI,iBAAiB,CAAC,MAAM,KAAK,OAAO,EAAE,CAAC;YACzC,IAAI,mBAAmB,CAAC,iBAAiB,CAAC,SAAS,CAAC,EAAE,CAAC;gBACrD,OAAO,KAAK,CAAC;YACf,CAAC;YACD,IAAI,iBAAiB,CAAC,iBAAiB,CAAC,SAAS,CAAC,EAAE,CAAC;gBACnD,IAAI,oBAAoB,CAAC,cAAc,CAAC,iBAAiB,CAAC,MAAM,CAAC,CAAC,EAAE,CAAC;oBACnE,KAAK,GAAG,IAAI,CAAC;gBACf,CAAC;qBAAM,CAAC;oBACN,OAAO,KAAK,CAAC;gBACf,CAAC;YACH,CAAC;QACH,CAAC;IACH,CAAC;IACD,OAAO,KAAK,CAAC;AACf,CAAC;AAED;;;;;GAKG;AACH,SAAS,mBAAmB,CAAC,UAAe;IAC1C,OAAO,IAAI,CAAC,SAAS,CAAC,UAAU,IAAI,EAAE,CAAC,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC;AACxD,CAAC;AAED;;;;;GAKG;AACH,SAAS,iBAAiB,CAAC,UAAe;IACxC,MAAM,mBAAmB,GAAG,IAAI,CAAC,SAAS,CAAC,UAAU,CAAC,GAAG,IAAI,EAAE,CAAC,CAAC,QAAQ,CACvE,mCAAmC,CACpC,CAAC;IACF,MAAM,0BAA0B,GAAG,CAAC,CAAC,UAAU,EAAE,aAAa,CAAC;IAC/D,OAAO,mBAAmB,IAAI,0BAA0B,CAAC;AAC3D,CAAC;AAED;;;;;GAKG;AACH,SAAS,oBAAoB,CAAC,OAAiB;IAC7C,KAAK,MAAM,MAAM,IAAI,OAAO,EAAE,CAAC;QAC7B,IACE,MAAM,CAAC,WAAW,EAAE,KAAK,cAAc;YACvC,MAAM,CAAC,WAAW,EAAE,KAAK,cAAc,EACvC,CAAC;YACD,OAAO,KAAK,CAAC;QACf,CAAC;IACH,CAAC;IACD,OAAO,IAAI,CAAC;AACd,CAAC;AAED,SAAS,cAAc,CAAI,QAAiB;IAC1C,OAAO,KAAK,CAAC,OAAO,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC;AACzD,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 { CfnBucket, CfnBucketPolicy } from 'aws-cdk-lib/aws-s3';\nimport { NagRuleCompliance, NagRules } from '../../nag-rules';\n\n/**\n * S3 static website buckets do not have an open world bucket policy and use CloudFront Origin Access Identities in the bucket policy for limited getObject and/or putObject permissions\n * @param node the CfnResource to check\n */\nexport default Object.defineProperty(\n  (node: CfnResource): NagRuleCompliance => {\n    if (node instanceof CfnBucket) {\n      if (node.websiteConfiguration !== undefined) {\n        const bucketLogicalId = NagRules.resolveResourceFromIntrinsic(\n          node,\n          node.ref\n        );\n        const bucketName = Stack.of(node).resolve(node.bucketName);\n        let found = false;\n        for (const child of Stack.of(node).node.findAll()) {\n          if (child instanceof CfnBucketPolicy) {\n            if (isMatchingCompliantPolicy(child, bucketLogicalId, bucketName)) {\n              found = true;\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 Bucket Policy does not allow for open access  and uses a restricted OAI Policy for access on the given bucket.\n * @param node The CfnBucketPolicy to check.\n * @param bucketLogicalId The Cfn Logical ID of the bucket.\n * @param bucketName The name of the bucket.\n * @returns Whether the CfnBucketPolicy allows for open access on the given bucket.\n */\nfunction isMatchingCompliantPolicy(\n  node: CfnBucketPolicy,\n  bucketLogicalId: string,\n  bucketName: string | undefined\n): boolean {\n  const bucket = NagRules.resolveResourceFromIntrinsic(node, node.bucket);\n  if (bucket !== bucketLogicalId && bucket !== bucketName) {\n    return false;\n  }\n  const resolvedPolicyDocument = Stack.of(node).resolve(node.policyDocument);\n  let found = false;\n  for (const statement of resolvedPolicyDocument.Statement) {\n    const resolvedStatement = Stack.of(node).resolve(statement);\n    if (resolvedStatement.Effect === 'Allow') {\n      if (checkStarPrincipals(resolvedStatement.Principal)) {\n        return false;\n      }\n      if (checkOAIPrincipal(resolvedStatement.Principal)) {\n        if (checkMatchingActions(normalizeArray(resolvedStatement.Action))) {\n          found = true;\n        } else {\n          return false;\n        }\n      }\n    }\n  }\n  return found;\n}\n\n/**\n * Helper function to check whether the Bucket Policy applies to all principals\n * @param node The CfnBucketPolicy to check\n * @param principal The principals in the bucket policy\n * @returns Whether the CfnBucketPolicy applies to all principals\n */\nfunction checkStarPrincipals(principals: any): boolean {\n  return JSON.stringify(principals ?? '').includes('*');\n}\n\n/**\n * Helper function to check whether the Bucket Policy applies to a CloudFront OAI\n * @param node The CfnBucketPolicy to check\n * @param principal The principals in the bucket policy\n * @returns Whether the CfnBucketPolicy applies to a CloudFront OAI\n */\nfunction checkOAIPrincipal(principals: any): boolean {\n  const usesAWSPrincipalOAI = JSON.stringify(principals.AWS ?? '').includes(\n    'CloudFront Origin Access Identity'\n  );\n  const usesCanonicalUserPrincipal = !!principals?.CanonicalUser;\n  return usesAWSPrincipalOAI || usesCanonicalUserPrincipal;\n}\n\n/**\n * Helper function to check whether the statement applies to only GetObject and/or PutObject actions\n * @param node The statement to check\n * @param actions The action in the bucket statement\n * @returns Whether the statement applies to only GetObject and/or PutObject actions\n */\nfunction checkMatchingActions(actions: string[]): boolean {\n  for (const action of actions) {\n    if (\n      action.toLowerCase() !== 's3:getobject' &&\n      action.toLowerCase() !== 's3:putobject'\n    ) {\n      return false;\n    }\n  }\n  return true;\n}\n\nfunction normalizeArray<T>(arrOrStr: T[] | T): T[] {\n  return Array.isArray(arrOrStr) ? arrOrStr : [arrOrStr];\n}\n"]}