Временные учётные данные для загрузки

import com.aliyun.oss.*;
import com.aliyun.oss.common.auth.CredentialsProvider;
import com.aliyun.oss.common.auth.DefaultCredentialProvider;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import java.io.File;

public class Demo {
    public static void main(String[] args) throws Exception {
        // Укажите временный ключ доступа и SecurityToken, которые вернул API
        // Примечание: AccessKeyId, полученный от STS, начинается с "STS"
        String accessKeyId     = "yourSTSAccessKeyID";
        String accessKeySecret = "yourSTSAccessKeySecret";
        String stsToken        = "yourSecurityToken";
        String endpoint        = "endpoint";
        String region          = "region";
        String bucket          = "bucket";
        // key = savePath + относительный путь файла
        String key = "prd/spatial-model/{accountId}/{taskCode}/input/render2/info/poses.json";

        CredentialsProvider credentialsProvider =
                new DefaultCredentialProvider(accessKeyId, accessKeySecret, stsToken);

        ClientBuilderConfiguration conf = new ClientBuilderConfiguration();
        conf.setSignatureVersion(SignVersion.V4);   // Явно используем алгоритм подписи V4

        OSS ossClient = OSSClientBuilder.create()
                .endpoint(endpoint)
                .credentialsProvider(credentialsProvider)
                .clientConfiguration(conf)
                .region(region)
                .build();
        try {
            PutObjectRequest req =
                    new PutObjectRequest(bucket, key, new File("D:\\localpath\\poses.json"));
            PutObjectResult result = ossClient.putObject(req);
        } catch (OSSException oe) {
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:"    + oe.getErrorCode());
            System.out.println("Request ID:"    + oe.getRequestId());
        } catch (ClientException ce) {
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) ossClient.shutdown();
        }
    }
}

public static void main(String[] args) throws Exception {
    String accessKeyId     = "yourSTSAccessKeyID";
    String accessKeySecret = "yourSTSAccessKeySecret";
    String securityToken   = "yourSecurityToken";
    String region = "region";
    String bucket = "bucket";
    String key    = "prd/spatial-model/{accountId}/{taskCode}/input/render2/info/poses.json";

    AwsSessionCredentials sessionCredentials = AwsSessionCredentials.create(
            accessKeyId, accessKeySecret, securityToken);
    // Инициализируем клиент S3 с временными учётными данными
    S3Client s3Client = S3Client.builder()
            .region(Region.of(region))
            .credentialsProvider(StaticCredentialsProvider.create(sessionCredentials))
            .build();

    PutObjectRequest putObjectRequest = PutObjectRequest.builder()
            .bucket(bucket)
            .key(key)
            .build();

    s3Client.putObject(putObjectRequest, java.nio.file.Paths.get("D:\\resource\\poses.json"));
}

public Ks3Client initKs3Client() {
    String accessKeyId     = "yourSTSAccessKeyID";
    String accessKeySecret = "yourSTSAccessKeySecret";
    String securityToken   = "yourSecurityToken";
    String endpoint        = "yourEndpoint";
    String region          = "region";

    Ks3ClientConfig config = new Ks3ClientConfig();
    config.setEndpoint(endpoint);
    config.setRegion(Region.valueOf(region));
    config.setProtocol(Ks3ClientConfig.PROTOCOL.http);
    config.setHttpClientConfig(new HttpClientConfig());

    return new Ks3Client(accessKeyId, accessKeySecret, securityToken, config);
}