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Lisätty cross account kms -oikeuksia #4

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Lisätty cross account kms -oikeuksia #4

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27 changes: 24 additions & 3 deletions cdk/lib/s3-stack.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,13 +17,19 @@ export class S3Stack extends cdk.Stack {
const config: Config = props.config;

const siirtotiedostotBucketName = `${config.environment}-siirtotiedostot`;
const siirtotiedostotKmsKey = new kms.Key(
this,
`${siirtotiedostotBucketName}-s3BucketKMSKey`,
{
alias: `${siirtotiedostotBucketName}-s3-bucket-kms-key`,
enableKeyRotation: true,
}
);
const siirtotiedostotS3Bucket = new s3.Bucket(this, siirtotiedostotBucketName, {
bucketName: siirtotiedostotBucketName,
objectOwnership: s3.ObjectOwnership.BUCKET_OWNER_ENFORCED,
blockPublicAccess: s3.BlockPublicAccess.BLOCK_ALL,
encryptionKey: new kms.Key(this, `${siirtotiedostotBucketName}-s3BucketKMSKey`, {
enableKeyRotation: true,
}),
encryptionKey: siirtotiedostotKmsKey,
serverAccessLogsBucket: new s3.Bucket(
this,
`${siirtotiedostotBucketName}-server-access-logs`
Expand Down Expand Up @@ -55,6 +61,21 @@ export class S3Stack extends cdk.Stack {
objectResourceStatement.addActions('s3:*Object*');
s3CrossAccountRole.addToPolicy(objectResourceStatement);

const kmsAssumeStatement = new iam.PolicyStatement();
kmsAssumeStatement.addResources(siirtotiedostotKmsKey.keyArn);
s3CrossAccountRole.addToPrincipalPolicy(kmsAssumeStatement);

const kmsResourceStatement = new iam.PolicyStatement();
kmsResourceStatement.addResources(siirtotiedostotKmsKey.keyArn);
kmsResourceStatement.addActions(
'kms:Encrypt',
'kms:Decrypt',
'kms:ReEncrypt*',
'kms:GenerateDataKey*',
'kms:DescribeKey'
);
s3CrossAccountRole.addToPolicy(kmsResourceStatement);

siirtotiedostotS3Bucket.grantReadWrite(new iam.AccountRootPrincipal());

const deploymentS3BucketName = `${config.environment}-deployment`;
Expand Down