/// <summary>
/// Parse an Arn to extract information on S3 outpost access point
/// and if it is not found or properly formatted, throw an exception
/// </summary>
/// <param name="arn"></param>
/// <returns></returns>
public static S3OutpostResource ParseOutpost(this Arn arn)
{
if (string.IsNullOrEmpty(arn.Resource))
{
throw new AmazonClientException("Arn Resource can not be null");
}
if (!IsOutpostArn(arn))
{
throw new AmazonClientException($"Arn Resource: {arn.Resource} does not resemble an outpost access point");
}
var outpostAccessPointString = arn.Resource;
var separators = new char[] { '/', ':' };
var parts = outpostAccessPointString.Split(separators, 5);
if (parts.Length < 4 || !String.Equals(parts[2], "accesspoint"))
{
throw new AmazonClientException($"Invalid ARN: {arn.ToString()}, outpost resource format is incorrect");
}
var outpost = new S3OutpostResource(arn);
outpost.OutpostId = parts[1];
outpost.AccessPointName = parts[3];
if (parts.Length > 4)
{
outpost.Key = parts[4];
}
return(new S3OutpostResource(arn)
{
OutpostId = parts[1],
AccessPointName = parts[3],
Key = parts.Length > 4 ? parts[4] : null
});
}
/// <summary>
/// Validates S3ObjectLambda Access Points.
/// </summary>
private static void ValidateS3ObjectLambdaAccessPoint(Arn arn, AmazonS3Config s3Config, RegionEndpoint region)
{
var arnString = arn.ToString();
if (!arn.HasValidAccountId())
{
throw new AmazonAccountIdException();
}
foreach (var ch in arnString)
{
if (!char.IsLetterOrDigit(ch) && ch != ':' && ch != '/' && ch != '-')
{
throw new AmazonClientException("Invalid Arn. S3ObjectLambda arns can only contain alphanumeric characters, :, / and -");
}
}
if (arn.Resource.Split(':').Length > 2)
{
throw new AmazonClientException("Invalid ARN, Access Point ARN contains sub resources");
}
if (s3Config.UseAccelerateEndpoint)
{
throw new AmazonClientException("Invalid configuration S3ObjectLambda access points do not support accelerate");
}
if (s3Config.UseDualstackEndpoint)
{
throw new AmazonClientException("Invalid configuration S3ObjectLambda access points do not support dualstack");
}
if (HasValidFips(arn, s3Config, region)) // will throw on invalid configs
{
return;
}
if (string.IsNullOrEmpty(arn.AccountId))
{
throw new AmazonClientException("Account ID is missing in S3ObjectLambda access point ARN");
}
if (string.IsNullOrEmpty(arn.Region))
{
throw new AmazonClientException("AWS region is missing in S3ObjectLambda access point ARN");
}
if (!string.Equals(region.PartitionName, arn.Partition))
{
throw new AmazonClientException("Invalid configuration, cross partition S3ObjectLambda access point ARN");
}
if (!s3Config.UseArnRegion &&
!string.Equals(arn.Region, region.SystemName, StringComparison.Ordinal))
{
throw new AmazonClientException("Invalid configuration, cross region S3ObjectLambda access point ARN");
}
}
public QueueConfig(Arn arn) : base(arn)
{
Queue = arn.ToString();
}
public LambdaConfig(Arn arn) : base(arn)
{
Lambda = arn.ToString();
}
public TopicConfig(Arn arn) : base(arn)
{
Topic = arn.ToString();
}