forked from aws/aws-cdk
/
key.test.ts
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/
key.test.ts
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import { Match, Template } from '@aws-cdk/assertions';
import * as iam from '@aws-cdk/aws-iam';
import { describeDeprecated, testFutureBehavior, testLegacyBehavior } from '@aws-cdk/cdk-build-tools';
import * as cdk from '@aws-cdk/core';
import * as cxapi from '@aws-cdk/cx-api';
import * as kms from '../lib';
const ADMIN_ACTIONS: string[] = [
'kms:Create*',
'kms:Describe*',
'kms:Enable*',
'kms:List*',
'kms:Put*',
'kms:Update*',
'kms:Revoke*',
'kms:Disable*',
'kms:Get*',
'kms:Delete*',
'kms:TagResource',
'kms:UntagResource',
'kms:ScheduleKeyDeletion',
'kms:CancelKeyDeletion',
];
const LEGACY_ADMIN_ACTIONS: string[] = [
'kms:Create*',
'kms:Describe*',
'kms:Enable*',
'kms:List*',
'kms:Put*',
'kms:Update*',
'kms:Revoke*',
'kms:Disable*',
'kms:Get*',
'kms:Delete*',
'kms:ScheduleKeyDeletion',
'kms:CancelKeyDeletion',
'kms:GenerateDataKey',
'kms:TagResource',
'kms:UntagResource',
];
const flags = { [cxapi.KMS_DEFAULT_KEY_POLICIES]: true };
testFutureBehavior('default key', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
new kms.Key(stack, 'MyKey');
Template.fromStack(stack).hasResource('AWS::KMS::Key', {
Properties: {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':root']] },
},
Resource: '*',
},
],
Version: '2012-10-17',
},
},
DeletionPolicy: 'Retain',
UpdateReplacePolicy: 'Retain',
});
});
testFutureBehavior('default with no retention', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
new kms.Key(stack, 'MyKey', { removalPolicy: cdk.RemovalPolicy.DESTROY });
Template.fromStack(stack).hasResource('AWS::KMS::Key', { DeletionPolicy: 'Delete', UpdateReplacePolicy: 'Delete' });
});
describe('key policies', () => {
testFutureBehavior('can specify a default key policy', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const policy = new iam.PolicyDocument();
const statement = new iam.PolicyStatement({ resources: ['*'], actions: ['kms:Put*'] });
statement.addArnPrincipal('arn:aws:iam::111122223333:root');
policy.addStatements(statement);
new kms.Key(stack, 'MyKey', { policy });
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:Put*',
Effect: 'Allow',
Principal: {
AWS: 'arn:aws:iam::111122223333:root',
},
Resource: '*',
},
],
Version: '2012-10-17',
},
});
});
testFutureBehavior('can append to the default key policy', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const statement = new iam.PolicyStatement({ resources: ['*'], actions: ['kms:Put*'] });
statement.addArnPrincipal('arn:aws:iam::111122223333:root');
const key = new kms.Key(stack, 'MyKey');
key.addToResourcePolicy(statement);
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':root']] },
},
Resource: '*',
},
{
Action: 'kms:Put*',
Effect: 'Allow',
Principal: {
AWS: 'arn:aws:iam::111122223333:root',
},
Resource: '*',
},
],
Version: '2012-10-17',
},
});
});
testFutureBehavior('decrypt', flags, cdk.App, (app) => {
// GIVEN
const stack = new cdk.Stack(app);
const key = new kms.Key(stack, 'Key');
const user = new iam.User(stack, 'User');
// WHEN
key.grantDecrypt(user);
// THEN
// Key policy should be unmodified by the grant.
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: { AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':root']] } },
Resource: '*',
},
],
Version: '2012-10-17',
},
});
Template.fromStack(stack).hasResourceProperties('AWS::IAM::Policy', {
PolicyDocument: {
Statement: [
{
Action: 'kms:Decrypt',
Effect: 'Allow',
Resource: { 'Fn::GetAtt': ['Key961B73FD', 'Arn'] },
},
],
Version: '2012-10-17',
},
});
});
testFutureBehavior('encrypt', flags, cdk.App, (app) => {
// GIVEN
const stack = new cdk.Stack(app);
const key = new kms.Key(stack, 'Key');
const user = new iam.User(stack, 'User');
// WHEN
key.grantEncrypt(user);
// THEN
// Key policy should be unmodified by the grant.
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: { AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':root']] } },
Resource: '*',
},
],
Version: '2012-10-17',
},
});
Template.fromStack(stack).hasResourceProperties('AWS::IAM::Policy', {
PolicyDocument: {
Statement: [
{
Action: ['kms:Encrypt', 'kms:ReEncrypt*', 'kms:GenerateDataKey*'],
Effect: 'Allow',
Resource: { 'Fn::GetAtt': ['Key961B73FD', 'Arn'] },
},
],
Version: '2012-10-17',
},
});
});
testFutureBehavior('grant for a principal in a dependent stack works correctly', flags, cdk.App, (app) => {
const principalStack = new cdk.Stack(app, 'PrincipalStack');
const principal = new iam.Role(principalStack, 'Role', {
assumedBy: new iam.AnyPrincipal(),
});
const keyStack = new cdk.Stack(app, 'KeyStack');
const key = new kms.Key(keyStack, 'Key');
principalStack.addDependency(keyStack);
key.grantEncrypt(principal);
Template.fromStack(principalStack).hasResourceProperties('AWS::IAM::Policy', {
PolicyDocument: {
Statement: [
{
Action: [
'kms:Encrypt',
'kms:ReEncrypt*',
'kms:GenerateDataKey*',
],
Effect: 'Allow',
Resource: {
'Fn::ImportValue': 'KeyStack:ExportsOutputFnGetAttKey961B73FDArn5A860C43',
},
},
],
Version: '2012-10-17',
},
});
});
testFutureBehavior('grant for a principal in a different region', flags, cdk.App, (app) => {
const principalStack = new cdk.Stack(app, 'PrincipalStack', { env: { region: 'testregion1' } });
const principal = new iam.Role(principalStack, 'Role', {
assumedBy: new iam.AnyPrincipal(),
roleName: 'MyRolePhysicalName',
});
const keyStack = new cdk.Stack(app, 'KeyStack', { env: { region: 'testregion2' } });
const key = new kms.Key(keyStack, 'Key');
key.grantEncrypt(principal);
Template.fromStack(keyStack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: Match.arrayWith([
{
Action: [
'kms:Encrypt',
'kms:ReEncrypt*',
'kms:GenerateDataKey*',
],
Effect: 'Allow',
Principal: { AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':role/MyRolePhysicalName']] } },
Resource: '*',
},
]),
Version: '2012-10-17',
},
});
Template.fromStack(principalStack).hasResourceProperties('AWS::IAM::Policy', {
PolicyDocument: {
Statement: [
{
Action: [
'kms:Encrypt',
'kms:ReEncrypt*',
'kms:GenerateDataKey*',
],
Effect: 'Allow',
Resource: '*',
},
],
Version: '2012-10-17',
},
});
});
testFutureBehavior('grant for a principal in a different account', flags, cdk.App, (app) => {
const principalStack = new cdk.Stack(app, 'PrincipalStack', { env: { account: '0123456789012' } });
const principal = new iam.Role(principalStack, 'Role', {
assumedBy: new iam.AnyPrincipal(),
roleName: 'MyRolePhysicalName',
});
const keyStack = new cdk.Stack(app, 'KeyStack', { env: { account: '111111111111' } });
const key = new kms.Key(keyStack, 'Key');
key.grantEncrypt(principal);
Template.fromStack(keyStack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: Match.arrayWith([{
Action: [
'kms:Encrypt',
'kms:ReEncrypt*',
'kms:GenerateDataKey*',
],
Effect: 'Allow',
Principal: { AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::0123456789012:role/MyRolePhysicalName']] } },
Resource: '*',
}]),
Version: '2012-10-17',
},
});
Template.fromStack(principalStack).hasResourceProperties('AWS::IAM::Policy', {
PolicyDocument: {
Statement: [
{
Action: [
'kms:Encrypt',
'kms:ReEncrypt*',
'kms:GenerateDataKey*',
],
Effect: 'Allow',
Resource: '*',
},
],
Version: '2012-10-17',
},
});
});
testFutureBehavior('grant for an immutable role', flags, cdk.App, (app) => {
const principalStack = new cdk.Stack(app, 'PrincipalStack', { env: { account: '0123456789012' } });
const principal = new iam.Role(principalStack, 'Role', {
assumedBy: new iam.AnyPrincipal(),
roleName: 'MyRolePhysicalName',
});
const keyStack = new cdk.Stack(app, 'KeyStack', { env: { account: '111111111111' } });
const key = new kms.Key(keyStack, 'Key');
principalStack.addDependency(keyStack);
key.grantEncrypt(principal.withoutPolicyUpdates());
Template.fromStack(keyStack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: Match.arrayWith([{
Action: 'kms:*',
Effect: 'Allow',
Principal: { AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::111111111111:root']] } },
Resource: '*',
},
{
Action: [
'kms:Encrypt',
'kms:ReEncrypt*',
'kms:GenerateDataKey*',
],
Effect: 'Allow',
Principal: { AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::0123456789012:root']] } },
Resource: '*',
}]),
Version: '2012-10-17',
},
});
});
testFutureBehavior('additional key admins can be specified (with imported/immutable principal)', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const adminRole = iam.Role.fromRoleArn(stack, 'Admin', 'arn:aws:iam::123456789012:role/TrustedAdmin');
new kms.Key(stack, 'MyKey', { admins: [adminRole] });
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':root']] },
},
Resource: '*',
},
{
Action: ADMIN_ACTIONS,
Effect: 'Allow',
Principal: {
AWS: 'arn:aws:iam::123456789012:role/TrustedAdmin',
},
Resource: '*',
},
],
Version: '2012-10-17',
},
});
});
testFutureBehavior('additional key admins can be specified (with owned/mutable principal)', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const adminRole = new iam.Role(stack, 'AdminRole', {
assumedBy: new iam.AccountRootPrincipal(),
});
new kms.Key(stack, 'MyKey', { admins: [adminRole] });
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
// Unmodified - default key policy
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':root']] },
},
Resource: '*',
},
],
Version: '2012-10-17',
},
});
Template.fromStack(stack).hasResourceProperties('AWS::IAM::Policy', {
PolicyDocument: {
Statement: [
{
Action: ADMIN_ACTIONS,
Effect: 'Allow',
Resource: { 'Fn::GetAtt': ['MyKey6AB29FA6', 'Arn'] },
},
],
Version: '2012-10-17',
},
});
});
});
testFutureBehavior('key with some options', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const key = new kms.Key(stack, 'MyKey', {
enableKeyRotation: true,
enabled: false,
pendingWindow: cdk.Duration.days(7),
});
cdk.Tags.of(key).add('tag1', 'value1');
cdk.Tags.of(key).add('tag2', 'value2');
cdk.Tags.of(key).add('tag3', '');
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
Enabled: false,
EnableKeyRotation: true,
PendingWindowInDays: 7,
Tags: [
{
Key: 'tag1',
Value: 'value1',
},
{
Key: 'tag2',
Value: 'value2',
},
{
Key: 'tag3',
Value: '',
},
],
});
});
testFutureBehavior('setting pendingWindow value to not in allowed range will throw', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
expect(() => new kms.Key(stack, 'MyKey', { enableKeyRotation: true, pendingWindow: cdk.Duration.days(6) }))
.toThrow('\'pendingWindow\' value must between 7 and 30 days. Received: 6');
});
describeDeprecated('trustAccountIdentities is deprecated', () => {
testFutureBehavior('setting trustAccountIdentities to false will throw (when the defaultKeyPolicies feature flag is enabled)', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
expect(() => new kms.Key(stack, 'MyKey', { trustAccountIdentities: false }))
.toThrow('`trustAccountIdentities` cannot be false if the @aws-cdk/aws-kms:defaultKeyPolicies feature flag is set');
});
testLegacyBehavior('trustAccountIdentities changes key policy to allow IAM control', cdk.App, (app) => {
const stack = new cdk.Stack(app);
new kms.Key(stack, 'MyKey', { trustAccountIdentities: true });
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':root']] },
},
Resource: '*',
},
],
},
});
});
});
testFutureBehavior('addAlias creates an alias', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const key = new kms.Key(stack, 'MyKey', {
enableKeyRotation: true,
enabled: false,
});
const alias = key.addAlias('alias/xoo');
expect(alias.aliasName).toBeDefined();
Template.fromStack(stack).resourceCountIs('AWS::KMS::Alias', 1);
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Alias', {
AliasName: 'alias/xoo',
TargetKeyId: {
'Fn::GetAtt': [
'MyKey6AB29FA6',
'Arn',
],
},
});
});
testFutureBehavior('can run multiple addAlias', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const key = new kms.Key(stack, 'MyKey', {
enableKeyRotation: true,
enabled: false,
});
const alias1 = key.addAlias('alias/alias1');
const alias2 = key.addAlias('alias/alias2');
expect(alias1.aliasName).toBeDefined();
expect(alias2.aliasName).toBeDefined();
Template.fromStack(stack).resourceCountIs('AWS::KMS::Alias', 2);
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Alias', {
AliasName: 'alias/alias1',
TargetKeyId: {
'Fn::GetAtt': [
'MyKey6AB29FA6',
'Arn',
],
},
});
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Alias', {
AliasName: 'alias/alias2',
TargetKeyId: {
'Fn::GetAtt': [
'MyKey6AB29FA6',
'Arn',
],
},
});
});
testFutureBehavior('keyId resolves to a Ref', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const key = new kms.Key(stack, 'MyKey');
new cdk.CfnOutput(stack, 'Out', {
value: key.keyId,
});
Template.fromStack(stack).hasOutput('Out', {
Value: { Ref: 'MyKey6AB29FA6' },
});
});
testFutureBehavior('fails if key policy has no actions', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const key = new kms.Key(stack, 'MyKey');
key.addToResourcePolicy(new iam.PolicyStatement({
resources: ['*'],
principals: [new iam.ArnPrincipal('arn')],
}));
expect(() => app.synth()).toThrow(/A PolicyStatement must specify at least one \'action\' or \'notAction\'/);
});
testFutureBehavior('fails if key policy has no IAM principals', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const key = new kms.Key(stack, 'MyKey');
key.addToResourcePolicy(new iam.PolicyStatement({
resources: ['*'],
actions: ['kms:*'],
}));
expect(() => app.synth()).toThrow(/A PolicyStatement used in a resource-based policy must specify at least one IAM principal/);
});
describe('imported keys', () => {
testFutureBehavior('throw an error when providing something that is not a valid key ARN', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
expect(() => {
kms.Key.fromKeyArn(stack, 'Imported', 'arn:aws:kms:us-east-1:123456789012:key');
}).toThrow(/KMS key ARN must be in the format 'arn:aws:kms:<region>:<account>:key\/<keyId>', got: 'arn:aws:kms:us-east-1:123456789012:key'/);
});
testFutureBehavior('can have aliases added to them', flags, cdk.App, (app) => {
const stack2 = new cdk.Stack(app, 'Stack2');
const myKeyImported = kms.Key.fromKeyArn(stack2, 'MyKeyImported',
'arn:aws:kms:us-east-1:123456789012:key/12345678-1234-1234-1234-123456789012');
// addAlias can be called on imported keys.
myKeyImported.addAlias('alias/hello');
expect(myKeyImported.keyId).toEqual('12345678-1234-1234-1234-123456789012');
Template.fromStack(stack2).templateMatches({
Resources: {
MyKeyImportedAliasB1C5269F: {
Type: 'AWS::KMS::Alias',
Properties: {
AliasName: 'alias/hello',
TargetKeyId: 'arn:aws:kms:us-east-1:123456789012:key/12345678-1234-1234-1234-123456789012',
},
},
},
});
});
});
describe('fromCfnKey()', () => {
let stack: cdk.Stack;
let cfnKey: kms.CfnKey;
let key: kms.IKey;
beforeEach(() => {
stack = new cdk.Stack();
cfnKey = new kms.CfnKey(stack, 'CfnKey', {
keyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: cdk.Fn.join('', [
'arn:',
cdk.Aws.PARTITION,
':iam::',
cdk.Aws.ACCOUNT_ID,
':root',
]),
},
Resource: '*',
},
],
Version: '2012-10-17',
},
});
key = kms.Key.fromCfnKey(cfnKey);
});
test("correctly resolves the 'keyId' property", () => {
expect(stack.resolve(key.keyId)).toStrictEqual({
Ref: 'CfnKey',
});
});
test("correctly resolves the 'keyArn' property", () => {
expect(stack.resolve(key.keyArn)).toStrictEqual({
'Fn::GetAtt': ['CfnKey', 'Arn'],
});
});
test('preserves the KMS Key resource', () => {
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: {
'Fn::Join': ['', [
'arn:',
{ Ref: 'AWS::Partition' },
':iam::',
{ Ref: 'AWS::AccountId' },
':root',
]],
},
},
Resource: '*',
},
],
Version: '2012-10-17',
},
});
Template.fromStack(stack).resourceCountIs('AWS::KMS::Key', 1);
});
describe("calling 'addToResourcePolicy()' on the returned Key", () => {
let addToResourcePolicyResult: iam.AddToResourcePolicyResult;
beforeEach(() => {
addToResourcePolicyResult = key.addToResourcePolicy(new iam.PolicyStatement({
actions: ['kms:action'],
resources: ['*'],
principals: [new iam.AnyPrincipal()],
}));
});
test("the AddToResourcePolicyResult returned has 'statementAdded' set to 'true'", () => {
expect(addToResourcePolicyResult.statementAdded).toBeTruthy();
});
test('preserves the mutating call in the resulting template', () => {
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: {
'Fn::Join': ['', [
'arn:',
{ Ref: 'AWS::Partition' },
':iam::',
{ Ref: 'AWS::AccountId' },
':root',
]],
},
},
Resource: '*',
},
{
Action: 'kms:action',
Effect: 'Allow',
Principal: { AWS: '*' },
Resource: '*',
},
],
Version: '2012-10-17',
},
});
});
});
describe('calling fromCfnKey() again', () => {
beforeEach(() => {
key = kms.Key.fromCfnKey(cfnKey);
});
describe('and using it for grantDecrypt() on a Role', function () {
beforeEach(() => {
const role = new iam.Role(stack, 'Role', {
assumedBy: new iam.AnyPrincipal(),
});
key.grantDecrypt(role);
});
test('creates the correct IAM Policy', () => {
Template.fromStack(stack).hasResourceProperties('AWS::IAM::Policy', {
PolicyDocument: {
Statement: [
{
Action: 'kms:Decrypt',
Effect: 'Allow',
Resource: {
'Fn::GetAtt': ['CfnKey', 'Arn'],
},
},
],
},
});
});
test('correctly mutates the Policy of the underlying CfnKey', () => {
Template.fromStack(stack).hasResourceProperties('AWS::KMS::Key', {
KeyPolicy: {
Statement: [
{
Action: 'kms:*',
Effect: 'Allow',
Principal: {
AWS: {
'Fn::Join': ['', [
'arn:',
{ Ref: 'AWS::Partition' },
':iam::',
{ Ref: 'AWS::AccountId' },
':root',
]],
},
},
Resource: '*',
},
{
Action: 'kms:Decrypt',
Effect: 'Allow',
Principal: {
AWS: {
'Fn::GetAtt': ['Role1ABCC5F0', 'Arn'],
},
},
Resource: '*',
},
],
Version: '2012-10-17',
},
});
});
});
});
describe("called with a CfnKey that has an 'Fn::If' passed as the KeyPolicy", () => {
beforeEach(() => {
cfnKey = new kms.CfnKey(stack, 'CfnKey2', {
keyPolicy: cdk.Fn.conditionIf(
'AlwaysTrue',
{
Statement: [
{
Action: 'kms:action1',
Effect: 'Allow',
Principal: '*',
Resource: '*',
},
],
Version: '2012-10-17',
},
{
Statement: [
{
Action: 'kms:action2',
Effect: 'Allow',
Principal: '*',
Resource: '*',
},
],
Version: '2012-10-17',
},
),
});
});
test('throws a descriptive exception', () => {
expect(() => {
kms.Key.fromCfnKey(cfnKey);
}).toThrow(/Could not parse the PolicyDocument of the passed AWS::KMS::Key/);
});
});
describe("called with a CfnKey that has an 'Fn::If' passed as the Statement of a KeyPolicy", () => {
beforeEach(() => {
cfnKey = new kms.CfnKey(stack, 'CfnKey2', {
keyPolicy: {
Statement: cdk.Fn.conditionIf(
'AlwaysTrue',
[
{
Action: 'kms:action1',
Effect: 'Allow',
Principal: '*',
Resource: '*',
},
],
[
{
Action: 'kms:action2',
Effect: 'Allow',
Principal: '*',
Resource: '*',
},
],
),
Version: '2012-10-17',
},
});
});
test('throws a descriptive exception', () => {
expect(() => {
kms.Key.fromCfnKey(cfnKey);
}).toThrow(/Could not parse the PolicyDocument of the passed AWS::KMS::Key/);
});
});
describe("called with a CfnKey that has an 'Fn::If' passed as one of the statements of a KeyPolicy", () => {
beforeEach(() => {
cfnKey = new kms.CfnKey(stack, 'CfnKey2', {
keyPolicy: {
Statement: [
cdk.Fn.conditionIf(
'AlwaysTrue',
{
Action: 'kms:action1',
Effect: 'Allow',
Principal: '*',
Resource: '*',
},
{
Action: 'kms:action2',
Effect: 'Allow',
Principal: '*',
Resource: '*',
},
),
],
Version: '2012-10-17',
},
});
});
test('throws a descriptive exception', () => {
expect(() => {
kms.Key.fromCfnKey(cfnKey);
}).toThrow(/Could not parse the PolicyDocument of the passed AWS::KMS::Key/);
});
});
describe("called with a CfnKey that has an 'Fn::If' passed for the Action in one of the statements of a KeyPolicy", () => {
beforeEach(() => {
cfnKey = new kms.CfnKey(stack, 'CfnKey2', {
keyPolicy: {
Statement: [
{
Action: cdk.Fn.conditionIf('AlwaysTrue', 'kms:action1', 'kms:action2'),
Effect: 'Allow',
Principal: '*',
Resource: '*',
},
],
Version: '2012-10-17',
},
});
});
test('throws a descriptive exception', () => {
expect(() => {
key = kms.Key.fromCfnKey(cfnKey);
}).toThrow(/Could not parse the PolicyDocument of the passed AWS::KMS::Key/);
});
});
});
describe('addToResourcePolicy allowNoOp and there is no policy', () => {
// eslint-disable-next-line jest/expect-expect
testFutureBehavior('succeed if set to true (default)', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const key = kms.Key.fromKeyArn(stack, 'Imported',
'arn:aws:kms:us-east-1:123456789012:key/12345678-1234-1234-1234-123456789012');
key.addToResourcePolicy(new iam.PolicyStatement({ resources: ['*'], actions: ['*'] }));
});
testFutureBehavior('fails if set to false', flags, cdk.App, (app) => {
const stack = new cdk.Stack(app);
const key = kms.Key.fromKeyArn(stack, 'Imported',
'arn:aws:kms:us-east-1:123456789012:key/12345678-1234-1234-1234-123456789012');
expect(() => {
key.addToResourcePolicy(new iam.PolicyStatement({ resources: ['*'], actions: ['*'] }), /* allowNoOp */ false);
}).toThrow('Unable to add statement to IAM resource policy for KMS key: "arn:aws:kms:us-east-1:123456789012:key/12345678-1234-1234-1234-123456789012"');
});
});
describe('when the defaultKeyPolicies feature flag is disabled', () => {
testLegacyBehavior('default key policy', cdk.App, (app) => {
const stack = new cdk.Stack(app);
new kms.Key(stack, 'MyKey');
Template.fromStack(stack).hasResource('AWS::KMS::Key', {
Properties: {
KeyPolicy: {
Statement: [
{
Action: LEGACY_ADMIN_ACTIONS,
Effect: 'Allow',
Principal: {
AWS: { 'Fn::Join': ['', ['arn:', { Ref: 'AWS::Partition' }, ':iam::', { Ref: 'AWS::AccountId' }, ':root']] },
},
Resource: '*',
},
],
Version: '2012-10-17',
},
},
DeletionPolicy: 'Retain',
UpdateReplacePolicy: 'Retain',
});
});
testLegacyBehavior('policy if specified appends to the default key policy', cdk.App, (app) => {
const stack = new cdk.Stack(app);