@aws-cdk/aws-sns-subscriptions
Version:
CDK Subscription Constructs for AWS SNS
94 lines • 11.9 kB
JavaScript
;
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SqsSubscription = void 0;
const jsiiDeprecationWarnings = require("../.warnings.jsii.js");
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const iam = require("@aws-cdk/aws-iam");
const sns = require("@aws-cdk/aws-sns");
const core_1 = require("@aws-cdk/core");
// keep this import separate from other imports to reduce chance for merge conflicts with v2-main
// eslint-disable-next-line no-duplicate-imports, import/order
const core_2 = require("@aws-cdk/core");
/**
* Use an SQS queue as a subscription target
*/
class SqsSubscription {
constructor(queue, props = {}) {
this.queue = queue;
this.props = props;
try {
jsiiDeprecationWarnings._aws_cdk_aws_sns_subscriptions_SqsSubscriptionProps(props);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, SqsSubscription);
}
throw error;
}
}
/**
* Returns a configuration for an SQS queue to subscribe to an SNS topic
*/
bind(topic) {
// Create subscription under *consuming* construct to make sure it ends up
// in the correct stack in cases of cross-stack subscriptions.
if (!core_2.Construct.isConstruct(this.queue)) {
throw new Error('The supplied Queue object must be an instance of Construct');
}
const snsServicePrincipal = new iam.ServicePrincipal('sns.amazonaws.com');
// add a statement to the queue resource policy which allows this topic
// to send messages to the queue.
this.queue.addToResourcePolicy(new iam.PolicyStatement({
resources: [this.queue.queueArn],
actions: ['sqs:SendMessage'],
principals: [snsServicePrincipal],
conditions: {
ArnEquals: { 'aws:SourceArn': topic.topicArn },
},
}));
// if the queue is encrypted, add a statement to the key resource policy
// which allows this topic to decrypt KMS keys
if (this.queue.encryptionMasterKey) {
this.queue.encryptionMasterKey.addToResourcePolicy(new iam.PolicyStatement({
resources: ['*'],
actions: ['kms:Decrypt', 'kms:GenerateDataKey'],
principals: [snsServicePrincipal],
}));
}
// if the topic and queue are created in different stacks
// then we need to make sure the topic is created first
if (topic instanceof sns.Topic && topic.stack !== this.queue.stack) {
this.queue.stack.addDependency(topic.stack);
}
return {
subscriberScope: this.queue,
subscriberId: core_1.Names.nodeUniqueId(topic.node),
endpoint: this.queue.queueArn,
protocol: sns.SubscriptionProtocol.SQS,
rawMessageDelivery: this.props.rawMessageDelivery,
filterPolicy: this.props.filterPolicy,
region: this.regionFromArn(topic),
deadLetterQueue: this.props.deadLetterQueue,
};
}
regionFromArn(topic) {
// no need to specify `region` for topics defined within the same stack
if (topic instanceof sns.Topic) {
if (topic.stack !== this.queue.stack) {
// only if we know the region, will not work for
// env agnostic stacks
if (!core_1.Token.isUnresolved(topic.env.region) &&
(topic.env.region !== this.queue.env.region)) {
return topic.env.region;
}
}
return undefined;
}
return core_1.Stack.of(topic).splitArn(topic.topicArn, core_1.ArnFormat.SLASH_RESOURCE_NAME).region;
}
}
exports.SqsSubscription = SqsSubscription;
_a = JSII_RTTI_SYMBOL_1;
SqsSubscription[_a] = { fqn: "@aws-cdk/aws-sns-subscriptions.SqsSubscription", version: "1.204.0" };
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