Use DeleteBucketCors with an AWS SDK or command line tool - AWS SDK Code Examples

There are more AWS SDK examples available in the AWS Doc SDK Examples GitHub repo.

Use DeleteBucketCors with an AWS SDK or command line tool

The following code examples show how to use DeleteBucketCors.

.NET
AWS SDK for .NET
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository. 


        /// <summary>
        /// Deletes a CORS configuration from an Amazon S3 bucket.
        /// </summary>
        /// <param name="client">The initialized Amazon S3 client object used
        /// to delete the CORS configuration from the bucket.</param>
        private static async Task DeleteCORSConfigurationAsync(AmazonS3Client client)
        {
            DeleteCORSConfigurationRequest request = new DeleteCORSConfigurationRequest()
            {
                BucketName = BucketName,
            };
            await client.DeleteCORSConfigurationAsync(request);
        }
CLI
AWS CLI

The following command deletes a Cross-Origin Resource Sharing configuration from a bucket named my-bucket:

aws s3api delete-bucket-cors --bucket my-bucket
Python
SDK for Python (Boto3)
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository. 

class BucketWrapper:
    """Encapsulates S3 bucket actions."""

    def __init__(self, bucket):
        """
        :param bucket: A Boto3 Bucket resource. This is a high-level resource in Boto3
                       that wraps bucket actions in a class-like structure.
        """
        self.bucket = bucket
        self.name = bucket.name


    def delete_cors(self):
        """
        Delete the CORS rules from the bucket.

        :param bucket_name: The name of the bucket to update.
        """
        try:
            self.bucket.Cors().delete()
            logger.info("Deleted CORS from bucket '%s'.", self.bucket.name)
        except ClientError:
            logger.exception("Couldn't delete CORS from bucket '%s'.", self.bucket.name)
            raise

  • For API details, see DeleteBucketCors in AWS SDK for Python (Boto3) API Reference.

Ruby
SDK for Ruby
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository. 

require "aws-sdk-s3"

# Wraps Amazon S3 bucket CORS configuration.
class BucketCorsWrapper
  attr_reader :bucket_cors

  # @param bucket_cors [Aws::S3::BucketCors] A bucket CORS object configured with an existing bucket.
  def initialize(bucket_cors)
    @bucket_cors = bucket_cors
  end

  # Deletes the CORS configuration of a bucket.
  #
  # @return [Boolean] True if the CORS rules were deleted; otherwise, false.
  def delete_cors
    @bucket_cors.delete
    true
  rescue Aws::Errors::ServiceError => e
    puts "Couldn't delete CORS rules for #{@bucket_cors.bucket.name}. Here's why: #{e.message}"
    false
  end

end