internal static async Task SaveAsync(SqsPolicyDetails policyDetails, IAmazonSQS client)
{
var topicArnWildcard = CreateTopicArnWildcard(policyDetails.SourceArn);
var policyJson = $@"{{
""Version"" : ""2012-10-17"",
""Statement"" : [
{{
""Sid"" : ""{Guid.NewGuid().ToString().Replace("-", "")}"",
""Effect"" : ""Allow"",
""Principal"" : {{
""AWS"" : ""*""
}},
""Action"" : ""sqs:SendMessage"",
""Resource"" : ""{policyDetails.QueueArn}"",
""Condition"" : {{
""ArnLike"" : {{
""aws:SourceArn"" : ""{topicArnWildcard}""
}}
}}
}}
]
}}";
var setQueueAttributesRequest = new SetQueueAttributesRequest
{
QueueUrl = policyDetails.QueueUri.AbsoluteUri,
Attributes =
{
["Policy"] = policyJson
}
};
await client.SetQueueAttributesAsync(setQueueAttributesRequest).ConfigureAwait(false);
}
public QueueWithAsyncStartup EnsureTopicExistsWithQueueSubscribed(
string region,
SqsReadConfiguration queueConfig)
{
var regionEndpoint = RegionEndpoint.GetBySystemName(region);
var sqsClient = _awsClientFactory.GetAwsClientFactory().GetSqsClient(regionEndpoint);
var snsClient = _awsClientFactory.GetAwsClientFactory().GetSnsClient(regionEndpoint);
var queueWithStartup = EnsureQueueExists(region, queueConfig);
async Task StartupTask(CancellationToken cancellationToken)
{
await queueWithStartup.StartupTask.Invoke(cancellationToken).ConfigureAwait(false);
var queue = queueWithStartup.Queue;
if (TopicExistsInAnotherAccount(queueConfig))
{
var arnProvider = new ForeignTopicArnProvider(regionEndpoint,
queueConfig.TopicSourceAccount,
queueConfig.PublishEndpoint);
var topicArn = await arnProvider.GetArnAsync().ConfigureAwait(false);
await SubscribeQueueAndApplyFilterPolicyAsync(snsClient,
topicArn,
sqsClient,
queue.Uri,
queueConfig.FilterPolicy).ConfigureAwait(false);
}
else
{
#pragma warning disable 618
var eventTopic = new SnsTopicByName(queueConfig.PublishEndpoint, snsClient, _loggerFactory);
#pragma warning restore 618
await eventTopic.CreateAsync(cancellationToken).ConfigureAwait(false);
await SubscribeQueueAndApplyFilterPolicyAsync(snsClient,
eventTopic.Arn,
sqsClient,
queue.Uri,
queueConfig.FilterPolicy).ConfigureAwait(false);
var sqsDetails = new SqsPolicyDetails
{
SourceArn = eventTopic.Arn,
QueueArn = queue.Arn,
QueueUri = queue.Uri
};
await SqsPolicy
.SaveAsync(sqsDetails, sqsClient)
.ConfigureAwait(false);
}
}
return(new QueueWithAsyncStartup(StartupTask, queueWithStartup.Queue));
}
public QueueWithAsyncStartup <SqsQueueByName> EnsureTopicExistsWithQueueSubscribed(
string region,
IMessageSerializationRegister serializationRegister,
SqsReadConfiguration queueConfig,
IMessageSubjectProvider messageSubjectProvider)
{
var regionEndpoint = RegionEndpoint.GetBySystemName(region);
var sqsClient = _awsClientFactory.GetAwsClientFactory().GetSqsClient(regionEndpoint);
var snsClient = _awsClientFactory.GetAwsClientFactory().GetSnsClient(regionEndpoint);
var queueWithStartup = EnsureQueueExists(region, queueConfig);
async Task StartupTask()
{
await queueWithStartup.StartupTask.ConfigureAwait(false);
var queue = queueWithStartup.Queue;
if (TopicExistsInAnotherAccount(queueConfig))
{
var arnProvider = new ForeignTopicArnProvider(regionEndpoint,
queueConfig.TopicSourceAccount,
queueConfig.PublishEndpoint);
var topicArn = await arnProvider.GetArnAsync().ConfigureAwait(false);
await SubscribeQueueAndApplyFilterPolicyAsync(snsClient,
topicArn,
sqsClient,
queue.Uri,
queueConfig.FilterPolicy).ConfigureAwait(false);
}
else
{
var eventTopic = new SnsTopicByName(queueConfig.PublishEndpoint,
snsClient,
serializationRegister,
_loggerFactory,
messageSubjectProvider);
await eventTopic.CreateAsync().ConfigureAwait(false);
await SubscribeQueueAndApplyFilterPolicyAsync(snsClient,
eventTopic.Arn,
sqsClient,
queue.Uri,
queueConfig.FilterPolicy).ConfigureAwait(false);
var sqsDetails = new SqsPolicyDetails
{
SourceArn = eventTopic.Arn,
QueueArn = queue.Arn,
QueueUri = queue.Uri
};
await SqsPolicy
.SaveAsync(sqsDetails, sqsClient)
.ConfigureAwait(false);
}
}
// This StartupTask is intentionally not awaited, as it will be run when the bus is started.
return(new QueueWithAsyncStartup <SqsQueueByName>(StartupTask(), queueWithStartup.Queue));
}
