cdk-secure-string-parameter/lib/lambda/secure-string-parameter-handler.lambda.js

SecureStringParameter Custom Resource for CDK. Enables storing encrypted secrets in version control and using those values in creating SSM SecureString Parameters

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.handler = handler;
const client_kms_1 = require("@aws-sdk/client-kms");
const client_ssm_1 = require("@aws-sdk/client-ssm");
const kms = new client_kms_1.KMSClient({ region: process.env.AWS_REGION });
const ssm = new client_ssm_1.SSMClient({ region: process.env.AWS_REGION });
function handler(event) {
    console.debug(JSON.stringify(event));
    switch (event.RequestType) {
        case 'Create':
            return onCreateAndUpdate(event);
        case 'Update':
            return onCreateAndUpdate(event);
        case 'Delete':
            return onDelete(event);
        default:
            throw new Error(`Unknown RequestType: ${event.RequestType}`);
    }
}
async function onCreateAndUpdate(event) {
    const { AllowedPattern, Description, Name, Tags, Tier, EncryptionKey, Value, ValueType } = event.ResourceProperties;
    const decryptedValue = ValueType === 'encrypted' ? await decrypt(Value, EncryptionKey) : Value;
    await ssm.send(new client_ssm_1.PutParameterCommand({
        AllowedPattern,
        Description,
        Name,
        KeyId: EncryptionKey,
        Overwrite: true,
        Tier,
        Type: 'SecureString',
        Value: decryptedValue,
    }));
    await updateTags(Name, Tags);
    return {
        PhysicalResourceId: Name,
    };
}
async function onDelete(event) {
    const { Name } = event.ResourceProperties;
    await ssm.send(new client_ssm_1.DeleteParameterCommand({
        Name,
    }));
    return {
        PhysicalResourceId: Name,
    };
}
async function decrypt(value, key) {
    const params = {
        CiphertextBlob: Buffer.from(value, 'base64'),
        KeyId: key, // AWS can infer the key from value if no key is given, but this function requires permissions to decrypt
    };
    const { Plaintext } = await kms.send(new client_kms_1.DecryptCommand(params));
    if (Plaintext === undefined)
        throw new Error('Unable to decrypt');
    return Buffer.from(Plaintext).toString('utf-8');
}
async function updateTags(parameterName, tags) {
    const { TagList } = await ssm.send(new client_ssm_1.ListTagsForResourceCommand({
        ResourceType: 'Parameter',
        ResourceId: parameterName,
    }));
    const removableTags = TagList?.reduce((list, tag) => {
        if (tag.Key && !Object.keys(tags || {}).includes(tag.Key)) {
            list.push(tag.Key);
        }
        return list;
    }, []);
    if (removableTags?.length) {
        await ssm.send(new client_ssm_1.RemoveTagsFromResourceCommand({
            ResourceType: 'Parameter',
            ResourceId: parameterName,
            TagKeys: removableTags,
        }));
    }
    if (tags) {
        await ssm.send(new client_ssm_1.AddTagsToResourceCommand({
            ResourceType: 'Parameter',
            ResourceId: parameterName,
            Tags: Object.entries(tags).map(([key, value]) => {
                return { Key: key, Value: value };
            }),
        }));
    }
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"secure-string-parameter-handler.lambda.js","sourceRoot":"","sources":["../../src/lambda/secure-string-parameter-handler.lambda.ts"],"names":[],"mappings":";;AA0BA,0BAYC;AAtCD,oDAAqF;AACrF,oDAAiM;AAsBjM,MAAM,GAAG,GAAG,IAAI,sBAAS,CAAC,EAAE,MAAM,EAAE,OAAO,CAAC,GAAG,CAAC,UAAU,EAAE,CAAC,CAAC;AAC9D,MAAM,GAAG,GAAG,IAAI,sBAAS,CAAC,EAAE,MAAM,EAAE,OAAO,CAAC,GAAG,CAAC,UAAU,EAAE,CAAC,CAAC;AAE9D,SAAgB,OAAO,CAAC,KAAsC;IAC5D,OAAO,CAAC,KAAK,CAAC,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,CAAC;IACrC,QAAQ,KAAK,CAAC,WAAW,EAAE,CAAC;QAC1B,KAAK,QAAQ;YACX,OAAO,iBAAiB,CAAC,KAAK,CAAC,CAAC;QAClC,KAAK,QAAQ;YACX,OAAO,iBAAiB,CAAC,KAAK,CAAC,CAAC;QAClC,KAAK,QAAQ;YACX,OAAO,QAAQ,CAAC,KAAK,CAAC,CAAC;QACzB;YACE,MAAM,IAAI,KAAK,CAAC,wBAAwB,KAAK,CAAC,WAAW,EAAE,CAAC,CAAC;IACjE,CAAC;AACH,CAAC;AAED,KAAK,UAAU,iBAAiB,CAAC,KAAsC;IACrE,MAAM,EAAE,cAAc,EAAE,WAAW,EAAE,IAAI,EAAE,IAAI,EAAE,IAAI,EAAE,aAAa,EAAE,KAAK,EAAE,SAAS,EAAE,GAAG,KAAK,CAAC,kBAAkB,CAAC;IACpH,MAAM,cAAc,GAAG,SAAS,KAAK,WAAW,CAAC,CAAC,CAAC,MAAM,OAAO,CAAC,KAAK,EAAE,aAAa,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC;IAC/F,MAAM,GAAG,CAAC,IAAI,CAAC,IAAI,gCAAmB,CAAC;QACrC,cAAc;QACd,WAAW;QACX,IAAI;QACJ,KAAK,EAAE,aAAa;QACpB,SAAS,EAAE,IAAI;QACf,IAAI;QACJ,IAAI,EAAE,cAAc;QACpB,KAAK,EAAE,cAAc;KACtB,CAAC,CAAC,CAAC;IACJ,MAAM,UAAU,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;IAC7B,OAAO;QACL,kBAAkB,EAAE,IAAI;KACzB,CAAC;AACJ,CAAC;AAED,KAAK,UAAU,QAAQ,CAAC,KAAsC;IAC5D,MAAM,EAAE,IAAI,EAAE,GAAG,KAAK,CAAC,kBAAkB,CAAC;IAC1C,MAAM,GAAG,CAAC,IAAI,CAAC,IAAI,mCAAsB,CAAC;QACxC,IAAI;KACL,CAAC,CAAC,CAAC;IACJ,OAAO;QACL,kBAAkB,EAAE,IAAI;KACzB,CAAC;AACJ,CAAC;AAED,KAAK,UAAU,OAAO,CAAC,KAAa,EAAE,GAAuB;IAC3D,MAAM,MAAM,GAAwB;QAClC,cAAc,EAAE,MAAM,CAAC,IAAI,CAAC,KAAK,EAAE,QAAQ,CAAC;QAC5C,KAAK,EAAE,GAAG,EAAE,yGAAyG;KACtH,CAAC;IACF,MAAM,EAAE,SAAS,EAAE,GAAG,MAAM,GAAG,CAAC,IAAI,CAAC,IAAI,2BAAc,CAAC,MAAM,CAAC,CAAC,CAAC;IACjE,IAAI,SAAS,KAAK,SAAS;QAAE,MAAM,IAAI,KAAK,CAAC,mBAAmB,CAAC,CAAC;IAClE,OAAO,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC,QAAQ,CAAC,OAAO,CAAC,CAAC;AAClD,CAAC;AAED,KAAK,UAAU,UAAU,CAAC,aAAqB,EAAE,IAAwC;IACvF,MAAM,EAAE,OAAO,EAAE,GAAG,MAAM,GAAG,CAAC,IAAI,CAAC,IAAI,uCAA0B,CAAC;QAChE,YAAY,EAAE,WAAW;QACzB,UAAU,EAAE,aAAa;KAC1B,CAAC,CAAC,CAAC;IACJ,MAAM,aAAa,GAAG,OAAO,EAAE,MAAM,CAAC,CAAC,IAAI,EAAE,GAAG,EAAE,EAAE;QAClD,IAAI,GAAG,CAAC,GAAG,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,IAAI,IAAI,EAAE,CAAC,CAAC,QAAQ,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE,CAAC;YAC1D,IAAI,CAAC,IAAI,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC;QACrB,CAAC;QACD,OAAO,IAAI,CAAC;IACd,CAAC,EAAE,EAAc,CAAC,CAAC;IACnB,IAAI,aAAa,EAAE,MAAM,EAAE,CAAC;QAC1B,MAAM,GAAG,CAAC,IAAI,CAAC,IAAI,0CAA6B,CAAC;YAC/C,YAAY,EAAE,WAAW;YACzB,UAAU,EAAE,aAAa;YACzB,OAAO,EAAE,aAAa;SACvB,CAAC,CAAC,CAAC;IACN,CAAC;IACD,IAAI,IAAI,EAAE,CAAC;QACT,MAAM,GAAG,CAAC,IAAI,CAAC,IAAI,qCAAwB,CAAC;YAC1C,YAAY,EAAE,WAAW;YACzB,UAAU,EAAE,aAAa;YACzB,IAAI,EAAE,MAAM,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,EAAE,KAAK,CAAC,EAAE,EAAE;gBAC9C,OAAO,EAAE,GAAG,EAAE,GAAG,EAAE,KAAK,EAAE,KAAK,EAAE,CAAC;YACpC,CAAC,CAAC;SACH,CAAC,CAAC,CAAC;IACN,CAAC;AACH,CAAC","sourcesContent":["import { KMSClient, DecryptCommand, DecryptCommandInput } from '@aws-sdk/client-kms';\nimport { SSMClient, PutParameterCommand, DeleteParameterCommand, ListTagsForResourceCommand, RemoveTagsFromResourceCommand, AddTagsToResourceCommand, ParameterTier } from '@aws-sdk/client-ssm';\nimport type { CloudFormationCustomResourceEvent } from 'aws-lambda';\n\nexport interface SecureStringParameterResourceProperties {\n  readonly AllowedPattern?: string;\n  readonly Description?: string;\n  readonly EncryptionKey?: string;\n  readonly Name: string;\n  readonly Tags?: Record<string, string>;\n  readonly Tier?: ParameterTier;\n  readonly Value: string;\n  readonly ValueType: string;\n}\n\nexport type SecureStringCustomResourceEvent = Omit<CloudFormationCustomResourceEvent, 'ResourceProperties'> & {\n  ResourceProperties: SecureStringParameterResourceProperties;\n};\n\nexport interface CustomResourceResponse {\n  PhysicalResourceId: string;\n}\n\nconst kms = new KMSClient({ region: process.env.AWS_REGION });\nconst ssm = new SSMClient({ region: process.env.AWS_REGION });\n\nexport function handler(event: SecureStringCustomResourceEvent): Promise<CustomResourceResponse> {\n  console.debug(JSON.stringify(event));\n  switch (event.RequestType) {\n    case 'Create':\n      return onCreateAndUpdate(event);\n    case 'Update':\n      return onCreateAndUpdate(event);\n    case 'Delete':\n      return onDelete(event);\n    default:\n      throw new Error(`Unknown RequestType: ${event.RequestType}`);\n  }\n}\n\nasync function onCreateAndUpdate(event: SecureStringCustomResourceEvent): Promise<CustomResourceResponse> {\n  const { AllowedPattern, Description, Name, Tags, Tier, EncryptionKey, Value, ValueType } = event.ResourceProperties;\n  const decryptedValue = ValueType === 'encrypted' ? await decrypt(Value, EncryptionKey) : Value;\n  await ssm.send(new PutParameterCommand({\n    AllowedPattern,\n    Description,\n    Name,\n    KeyId: EncryptionKey,\n    Overwrite: true,\n    Tier,\n    Type: 'SecureString',\n    Value: decryptedValue,\n  }));\n  await updateTags(Name, Tags);\n  return {\n    PhysicalResourceId: Name,\n  };\n}\n\nasync function onDelete(event: SecureStringCustomResourceEvent): Promise<CustomResourceResponse> {\n  const { Name } = event.ResourceProperties;\n  await ssm.send(new DeleteParameterCommand({\n    Name,\n  }));\n  return {\n    PhysicalResourceId: Name,\n  };\n}\n\nasync function decrypt(value: string, key: string | undefined): Promise<string> {\n  const params: DecryptCommandInput = {\n    CiphertextBlob: Buffer.from(value, 'base64'),\n    KeyId: key, // AWS can infer the key from value if no key is given, but this function requires permissions to decrypt\n  };\n  const { Plaintext } = await kms.send(new DecryptCommand(params));\n  if (Plaintext === undefined) throw new Error('Unable to decrypt');\n  return Buffer.from(Plaintext).toString('utf-8');\n}\n\nasync function updateTags(parameterName: string, tags: Record<string, string> | undefined): Promise<void> {\n  const { TagList } = await ssm.send(new ListTagsForResourceCommand({\n    ResourceType: 'Parameter',\n    ResourceId: parameterName,\n  }));\n  const removableTags = TagList?.reduce((list, tag) => {\n    if (tag.Key && !Object.keys(tags || {}).includes(tag.Key)) {\n      list.push(tag.Key);\n    }\n    return list;\n  }, [] as string[]);\n  if (removableTags?.length) {\n    await ssm.send(new RemoveTagsFromResourceCommand({\n      ResourceType: 'Parameter',\n      ResourceId: parameterName,\n      TagKeys: removableTags,\n    }));\n  }\n  if (tags) {\n    await ssm.send(new AddTagsToResourceCommand({\n      ResourceType: 'Parameter',\n      ResourceId: parameterName,\n      Tags: Object.entries(tags).map(([key, value]) => {\n        return { Key: key, Value: value };\n      }),\n    }));\n  }\n}"]}