("alloc-tag");
auto creds = provider->GetAWSCredentials();
if (creds.IsEmpty()) {
std::cerr << "Failed authentication" << std::endl;
}
Aws::S3::S3Client s3Client(clientConfig);
auto outcome = s3Client.ListBuckets();
if (!outcome.IsSuccess()) {
std::cerr << "Failed with error: " << outcome.GetError() << std::endl;
result = 1;
} else {
std::cout << "Found " << outcome.GetResult().GetBuckets().size()
<< " buckets\n";
for (auto &bucket: outcome.GetResult().GetBuckets()) {
std::cout << bucket.GetName() << std::endl;
}
}
}
Aws::ShutdownAPI(options); // Should only be called once.
return result;
}
```
+ Para obtener más información sobre la API, consulte [ListBuckets](https://docs.aws.amazon.com/goto/SdkForCpp/s3-2006-03-01/ListBuckets)la *Referencia AWS SDK para C\$1\$1 de la API*.
------
#### [ Go ]
**SDK para Go V2**
Hay más información al respecto GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/gov2/s3#code-examples).
```
package main
import (
"context"
"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/service/s3"
"github.com/aws/smithy-go"
)
// main uses the AWS SDK for Go V2 to create an Amazon Simple Storage Service
// (Amazon S3) client and list up to 10 buckets in your account.
// This example uses the default settings specified in your shared credentials
// and config files.
func main() {
ctx := context.Background()
sdkConfig, err := config.LoadDefaultConfig(ctx)
if err != nil {
fmt.Println("Couldn't load default configuration. Have you set up your AWS account?")
fmt.Println(err)
return
}
s3Client := s3.NewFromConfig(sdkConfig)
count := 10
fmt.Printf("Let's list up to %v buckets for your account.\n", count)
result, err := s3Client.ListBuckets(ctx, &s3.ListBucketsInput{})
if err != nil {
var ae smithy.APIError
if errors.As(err, &ae) && ae.ErrorCode() == "AccessDenied" {
fmt.Println("You don't have permission to list buckets for this account.")
} else {
fmt.Printf("Couldn't list buckets for your account. Here's why: %v\n", err)
}
return
}
if len(result.Buckets) == 0 {
fmt.Println("You don't have any buckets!")
} else {
if count > len(result.Buckets) {
count = len(result.Buckets)
}
for _, bucket := range result.Buckets[:count] {
fmt.Printf("\t%v\n", *bucket.Name)
}
}
}
```
+ Para obtener más información sobre la API, consulta [ListBuckets](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/service/s3#Client.ListBuckets)la *Referencia AWS SDK para Go de la API*.
------
#### [ Java ]
**SDK para Java 2.x**
Hay más información al respecto GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/s3#code-examples).
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.Bucket;
import software.amazon.awssdk.services.s3.model.ListBucketsResponse;
import software.amazon.awssdk.services.s3.model.S3Exception;
import java.util.List;
/**
* 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 HelloS3 {
public static void main(String[] args) {
Region region = Region.US_EAST_1;
S3Client s3 = S3Client.builder()
.region(region)
.build();
listBuckets(s3);
}
/**
* Lists all the S3 buckets associated with the provided AWS S3 client.
*
* @param s3 the S3Client instance used to interact with the AWS S3 service
*/
public static void listBuckets(S3Client s3) {
try {
ListBucketsResponse response = s3.listBuckets();
List bucketList = response.buckets();
bucketList.forEach(bucket -> {
System.out.println("Bucket Name: " + bucket.name());
});
} catch (S3Exception e) {
System.err.println(e.awsErrorDetails().errorMessage());
System.exit(1);
}
}
}
```
+ Para obtener más información sobre la API, consulta [ListBuckets](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3-2006-03-01/ListBuckets)la *Referencia AWS SDK for Java 2.x de la API*.
------
#### [ JavaScript ]
**SDK para JavaScript (v3)**
Hay más información. GitHub Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javascriptv3/example_code/s3#code-examples).
```
import {
paginateListBuckets,
S3Client,
S3ServiceException,
} from "@aws-sdk/client-s3";
/**
* List the S3 buckets in your configured AWS account.
*/
export const helloS3 = async () => {
// When no region or credentials are provided, the SDK will use the
// region and credentials from the local AWS config.
const client = new S3Client({});
try {
/**
* @type { import("@aws-sdk/client-s3").Bucket[] }
*/
const buckets = [];
for await (const page of paginateListBuckets({ client }, {})) {
buckets.push(...page.Buckets);
}
console.log("Buckets: ");
console.log(buckets.map((bucket) => bucket.Name).join("\n"));
return buckets;
} catch (caught) {
// ListBuckets does not throw any modeled errors. Any error caught
// here will be something generic like `AccessDenied`.
if (caught instanceof S3ServiceException) {
console.error(`${caught.name}: ${caught.message}`);
} else {
// Something besides S3 failed.
throw caught;
}
}
};
```
+ Para obtener más información sobre la API, consulta [ListBuckets](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/client/s3/command/ListBucketsCommand)la *Referencia AWS SDK para JavaScript de la API*.
------
#### [ PHP ]
**SDK para PHP**
Hay más información al respecto GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/php/example_code/s3#code-examples).
```
use Aws\S3\S3Client;
$client = new S3Client(['region' => 'us-west-2']);
$results = $client->listBuckets();
var_dump($results);
```
+ Para obtener más información sobre la API, consulta [ListBuckets](https://docs.aws.amazon.com/goto/SdkForPHPV3/s3-2006-03-01/ListBuckets)la *Referencia AWS SDK para PHP de la API*.
------
#### [ Python ]
**SDK para Python (Boto3)**
Hay más información al respecto GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/s3#code-examples).
```
import boto3
def hello_s3():
"""
Use the AWS SDK for Python (Boto3) to create an Amazon Simple Storage Service
(Amazon S3) client and list the buckets in your account.
This example uses the default settings specified in your shared credentials
and config files.
"""
# Create an S3 client.
s3_client = boto3.client("s3")
print("Hello, Amazon S3! Let's list your buckets:")
# Create a paginator for the list_buckets operation.
paginator = s3_client.get_paginator("list_buckets")
# Use the paginator to get a list of all buckets.
response_iterator = paginator.paginate(
PaginationConfig={
"PageSize": 50, # Adjust PageSize as needed.
"StartingToken": None,
}
)
# Iterate through the pages of the response.
buckets_found = False
for page in response_iterator:
if "Buckets" in page and page["Buckets"]:
buckets_found = True
for bucket in page["Buckets"]:
print(f"\t{bucket['Name']}")
if not buckets_found:
print("No buckets found!")
if __name__ == "__main__":
hello_s3()
```
+ Para obtener más información sobre la API, consulta [ListBuckets](https://docs.aws.amazon.com/goto/boto3/s3-2006-03-01/ListBuckets)la *AWS Referencia de API de SDK for Python (Boto3*).
------
#### [ Ruby ]
**SDK para Ruby**
Hay más información al respecto. GitHub Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/ruby/example_code/s3#code-examples).
```
# frozen_string_literal: true
# S3Manager is a class responsible for managing S3 operations
# such as listing all S3 buckets in the current AWS account.
class S3Manager
def initialize(client)
@client = client
@logger = Logger.new($stdout)
end
# Lists and prints all S3 buckets in the current AWS account.
def list_buckets
@logger.info('Here are the buckets in your account:')
response = @client.list_buckets
if response.buckets.empty?
@logger.info("You don't have any S3 buckets yet.")
else
response.buckets.each do |bucket|
@logger.info("- #{bucket.name}")
end
end
rescue Aws::Errors::ServiceError => e
@logger.error("Encountered an error while listing buckets: #{e.message}")
end
end
if $PROGRAM_NAME == __FILE__
s3_client = Aws::S3::Client.new
manager = S3Manager.new(s3_client)
manager.list_buckets
end
```
+ Para obtener más información sobre la API, consulta [ListBuckets](https://docs.aws.amazon.com/goto/SdkForRubyV3/s3-2006-03-01/ListBuckets)la *Referencia AWS SDK para Ruby de la API*.
------
#### [ Rust ]
**SDK para Rust**
Hay más información al respecto GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/rustv1/examples/s3#code-examples).
```
/// S3 Hello World Example using the AWS SDK for Rust.
///
/// This example lists the objects in a bucket, uploads an object to that bucket,
/// and then retrieves the object and prints some S3 information about the object.
/// This shows a number of S3 features, including how to use built-in paginators
/// for large data sets.
///
/// # Arguments
///
/// * `client` - an S3 client configured appropriately for the environment.
/// * `bucket` - the bucket name that the object will be uploaded to. Must be present in the region the `client` is configured to use.
/// * `filename` - a reference to a path that will be read and uploaded to S3.
/// * `key` - the string key that the object will be uploaded as inside the bucket.
async fn list_bucket_and_upload_object(
client: &aws_sdk_s3::Client,
bucket: &str,
filepath: &Path,
key: &str,
) -> Result<(), S3ExampleError> {
// List the buckets in this account
let mut objects = client
.list_objects_v2()
.bucket(bucket)
.into_paginator()
.send();
println!("key\tetag\tlast_modified\tstorage_class");
while let Some(Ok(object)) = objects.next().await {
for item in object.contents() {
println!(
"{}\t{}\t{}\t{}",
item.key().unwrap_or_default(),
item.e_tag().unwrap_or_default(),
item.last_modified()
.map(|lm| format!("{lm}"))
.unwrap_or_default(),
item.storage_class()
.map(|sc| format!("{sc}"))
.unwrap_or_default()
);
}
}
// Prepare a ByteStream around the file, and upload the object using that ByteStream.
let body = aws_sdk_s3::primitives::ByteStream::from_path(filepath)
.await
.map_err(|err| {
S3ExampleError::new(format!(
"Failed to create bytestream for {filepath:?} ({err:?})"
))
})?;
let resp = client
.put_object()
.bucket(bucket)
.key(key)
.body(body)
.send()
.await?;
println!(
"Upload success. Version: {:?}",
resp.version_id()
.expect("S3 Object upload missing version ID")
);
// Retrieve the just-uploaded object.
let resp = client.get_object().bucket(bucket).key(key).send().await?;
println!("etag: {}", resp.e_tag().unwrap_or("(missing)"));
println!("version: {}", resp.version_id().unwrap_or("(missing)"));
Ok(())
}
```
ExampleError Utilidades S3.
```
/// S3ExampleError provides a From impl to extract
/// client-specific error details. This serves as a consistent backup to handling
/// specific service errors, depending on what is needed by the scenario.
/// It is used throughout the code examples for the AWS SDK for Rust.
#[derive(Debug)]
pub struct S3ExampleError(String);
impl S3ExampleError {
pub fn new(value: impl Into) -> Self {
S3ExampleError(value.into())
}
pub fn add_message(self, message: impl Into) -> Self {
S3ExampleError(format!("{}: {}", message.into(), self.0))
}
}
impl From for S3ExampleError {
fn from(value: T) -> Self {
S3ExampleError(format!(
"{}: {}",
value
.code()
.map(String::from)
.unwrap_or("unknown code".into()),
value
.message()
.map(String::from)
.unwrap_or("missing reason".into()),
))
}
}
impl std::error::Error for S3ExampleError {}
impl std::fmt::Display for S3ExampleError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.0)
}
}
```
+ Para obtener más información sobre la API, consulte [ListBuckets](https://docs.rs/aws-sdk-s3/latest/aws_sdk_s3/client/struct.Client.html#method.list_buckets)la *referencia sobre la API de AWS SDK for Rust*.
------