Use DeleteBucketPolicy 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 DeleteBucketPolicy with an AWS SDK or command line tool

The following code examples show how to use DeleteBucketPolicy.

C++
SDK for C++
Note

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

bool AwsDoc::S3::DeleteBucketPolicy(const Aws::String &bucketName,
                                    const Aws::Client::ClientConfiguration &clientConfig) {
    Aws::S3::S3Client client(clientConfig);

    Aws::S3::Model::DeleteBucketPolicyRequest request;
    request.SetBucket(bucketName);

    Aws::S3::Model::DeleteBucketPolicyOutcome outcome = client.DeleteBucketPolicy(request);

    if (!outcome.IsSuccess()) {
        const Aws::S3::S3Error &err = outcome.GetError();
        std::cerr << "Error: DeleteBucketPolicy: " <<
                  err.GetExceptionName() << ": " << err.GetMessage() << std::endl;
    }
    else {
        std::cout << "Policy was deleted from the bucket." << std::endl;
    }

    return outcome.IsSuccess();
}
CLI
AWS CLI

The following command deletes a bucket policy from a bucket named my-bucket:

aws s3api delete-bucket-policy --bucket my-bucket
Java
SDK for Java 2.x
Note

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

import software.amazon.awssdk.services.s3.model.S3Exception;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.DeleteBucketPolicyRequest;

/**
 * Before running this Java V2 code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */

public class DeleteBucketPolicy {
    public static void main(String[] args) {

        final String usage = """

                Usage:
                    <bucketName>

                Where:
                    bucketName - The Amazon S3 bucket to delete the policy from (for example, bucket1).""";

        if (args.length != 1) {
            System.out.println(usage);
            System.exit(1);
        }

        String bucketName = args[0];
        System.out.format("Deleting policy from bucket: \"%s\"\n\n", bucketName);
        Region region = Region.US_EAST_1;
        S3Client s3 = S3Client.builder()
                .region(region)
                .build();

        deleteS3BucketPolicy(s3, bucketName);
        s3.close();
    }

    // Delete the bucket policy.
    public static void deleteS3BucketPolicy(S3Client s3, String bucketName) {
        DeleteBucketPolicyRequest delReq = DeleteBucketPolicyRequest.builder()
                .bucket(bucketName)
                .build();

        try {
            s3.deleteBucketPolicy(delReq);
            System.out.println("Done!");

        } catch (S3Exception e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}
JavaScript
SDK for JavaScript (v3)
Note

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

Delete the bucket policy.

import { DeleteBucketPolicyCommand, S3Client } from "@aws-sdk/client-s3";

const client = new S3Client({});

// This will remove the policy from the bucket.
export const main = async () => {
  const command = new DeleteBucketPolicyCommand({
    Bucket: "test-bucket",
  });

  try {
    const response = await client.send(command);
    console.log(response);
  } catch (err) {
    console.error(err);
  }
};
Kotlin
SDK for Kotlin
Note

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

suspend fun deleteS3BucketPolicy(bucketName: String?) {
    val request = DeleteBucketPolicyRequest {
        bucket = bucketName
    }

    S3Client { region = "us-east-1" }.use { s3 ->
        s3.deleteBucketPolicy(request)
        println("Done!")
    }
}
PowerShell
Tools for PowerShell

Example 1: The command removes the bucket policy associated with the given S3 bucket.

Remove-S3BucketPolicy -BucketName 's3testbucket'
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_policy(self):
        """
        Delete the security policy from the bucket.
        """
        try:
            self.bucket.Policy().delete()
            logger.info("Deleted policy for bucket '%s'.", self.bucket.name)
        except ClientError:
            logger.exception(
                "Couldn't delete policy for bucket '%s'.", self.bucket.name
            )
            raise
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. 

# Wraps an Amazon S3 bucket policy.
class BucketPolicyWrapper
  attr_reader :bucket_policy

  # @param bucket_policy [Aws::S3::BucketPolicy] A bucket policy object configured with an existing bucket.
  def initialize(bucket_policy)
    @bucket_policy = bucket_policy
  end

  def delete_policy
    @bucket_policy.delete
    true
  rescue Aws::Errors::ServiceError => e
    puts "Couldn't delete the policy from #{@bucket_policy.bucket.name}. Here's why: #{e.message}"
    false
  end

end