Utilisation de GetSecretValue avec un kit AWS SDK ou une interface de ligne de commande

    using System;
    using System.IO;
    using System.Threading.Tasks;
    using Amazon.SecretsManager;
    using Amazon.SecretsManager.Model;

    /// <summary>
    /// This example uses the Amazon Web Service Secrets Manager to retrieve
    /// the secret value for the provided secret name.
    /// </summary>
    public class GetSecretValue
    {
        /// <summary>
        /// The main method initializes the necessary values and then calls
        /// the GetSecretAsync and DecodeString methods to get the decoded
        /// secret value for the secret named in secretName.
        /// </summary>
        public static async Task Main()
        {
            string secretName = "<<{{MySecretName}}>>";
            string secret;

            IAmazonSecretsManager client = new AmazonSecretsManagerClient();

            var response = await GetSecretAsync(client, secretName);

            if (response is not null)
            {
                secret = DecodeString(response);

                if (!string.IsNullOrEmpty(secret))
                {
                    Console.WriteLine($"The decoded secret value is: {secret}.");
                }
                else
                {
                    Console.WriteLine("No secret value was returned.");
                }
            }
        }

        /// <summary>
        /// Retrieves the secret value given the name of the secret to
        /// retrieve.
        /// </summary>
        /// <param name="client">The client object used to retrieve the secret
        /// value for the given secret name.</param>
        /// <param name="secretName">The name of the secret value to retrieve.</param>
        /// <returns>The GetSecretValueReponse object returned by
        /// GetSecretValueAsync.</returns>
        public static async Task<GetSecretValueResponse> GetSecretAsync(
            IAmazonSecretsManager client,
            string secretName)
        {
            GetSecretValueRequest request = new GetSecretValueRequest()
            {
                SecretId = secretName,
                VersionStage = "AWSCURRENT", // VersionStage defaults to AWSCURRENT if unspecified.
            };

            GetSecretValueResponse response = null;

            // For the sake of simplicity, this example handles only the most
            // general SecretsManager exception.
            try
            {
                response = await client.GetSecretValueAsync(request);
            }
            catch (AmazonSecretsManagerException e)
            {
                Console.WriteLine($"Error: {e.Message}");
            }

            return response;
        }

        /// <summary>
        /// Decodes the secret returned by the call to GetSecretValueAsync and
        /// returns it to the calling program.
        /// </summary>
        /// <param name="response">A GetSecretValueResponse object containing
        /// the requested secret value returned by GetSecretValueAsync.</param>
        /// <returns>A string representing the decoded secret value.</returns>
        public static string DecodeString(GetSecretValueResponse response)
        {
            // Decrypts secret using the associated AWS Key Management Service
            // Customer Master Key (CMK.) Depending on whether the secret is a
            // string or binary value, one of these fields will be populated.
            if (response.SecretString is not null)
            {
                var secret = response.SecretString;
                return secret;
            }
            else if (response.SecretBinary is not null)
            {
                var memoryStream = response.SecretBinary;
                StreamReader reader = new StreamReader(memoryStream);
                string decodedBinarySecret = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(reader.ReadToEnd()));
                return decodedBinarySecret;
            }
            else
            {
                return string.Empty;
            }
        }
    }

//! Retrieve an AWS Secrets Manager encrypted secret.
/*!
  \param secretID: The ID for the secret.
  \return bool: Function succeeded.
 */
bool AwsDoc::SecretsManager::getSecretValue(const Aws::String &secretID,
                                            const Aws::Client::ClientConfiguration &clientConfiguration) {
    Aws::SecretsManager::SecretsManagerClient secretsManagerClient(clientConfiguration);

    Aws::SecretsManager::Model::GetSecretValueRequest request;
    request.SetSecretId(secretID);

    Aws::SecretsManager::Model::GetSecretValueOutcome getSecretValueOutcome = secretsManagerClient.GetSecretValue(
            request);
    if (getSecretValueOutcome.IsSuccess()) {
        std::cout << "Secret is: "
                  << getSecretValueOutcome.GetResult().GetSecretString() << std::endl;
    }
    else {
        std::cerr << "Failed with Error: " << getSecretValueOutcome.GetError()
                  << std::endl;
    }

    return getSecretValueOutcome.IsSuccess();
}

Exemple 1 : pour extraire la valeur chiffrée d’un secret

L’exemple get-secret-value suivant extrait la valeur actuelle du secret.

aws secretsmanager get-secret-value \
    --secret-id MyTestSecret

Sortie :

{
    "ARN": "arn:aws:secretsmanager:us-west-2:123456789012:secret:MyTestSecret-a1b2c3",
    "Name": "MyTestSecret",
    "VersionId": "a1b2c3d4-5678-90ab-cdef-EXAMPLE11111",
    "SecretString": "{\"user\":\"diegor\",\"password\":\"EXAMPLE-PASSWORD\"}",
    "VersionStages": [
        "AWSCURRENT"
    ],
    "CreatedDate": 1523477145.713
}

Pour plus d’informations, consultez Extraction d’un secret dans le Guide de l’utilisateur Secrets Manager.

Exemple 2 : pour extraire la valeur précédente d’un secret

L’exemple get-secret-value suivant extrait la valeur précédente d’un secret.

aws secretsmanager get-secret-value \
    --secret-id MyTestSecret
    --version-stage AWSPREVIOUS

Sortie :

{
    "ARN": "arn:aws:secretsmanager:us-west-2:123456789012:secret:MyTestSecret-a1b2c3",
    "Name": "MyTestSecret",
    "VersionId": "a1b2c3d4-5678-90ab-cdef-EXAMPLE22222",
    "SecretString": "{\"user\":\"diegor\",\"password\":\"PREVIOUS-EXAMPLE-PASSWORD\"}",
    "VersionStages": [
        "AWSPREVIOUS"
    ],
    "CreatedDate": 1523477145.713
}

Pour plus d’informations, consultez Extraction d’un secret dans le Guide de l’utilisateur Secrets Manager.

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.secretsmanager.SecretsManagerClient;
import software.amazon.awssdk.services.secretsmanager.model.GetSecretValueRequest;
import software.amazon.awssdk.services.secretsmanager.model.GetSecretValueResponse;
import software.amazon.awssdk.services.secretsmanager.model.SecretsManagerException;

/**
 * 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
 *
 * We recommend that you cache your secret values by using client-side caching.
 *
 * Caching secrets improves speed and reduces your costs. For more information,
 * see the following documentation topic:
 *
 * https://docs.aws.amazon.com/secretsmanager/latest/userguide/retrieving-secrets.html
 */
public class GetSecretValue {
    public static void main(String[] args) {
        final String usage = """

                Usage:
                    <secretName>\s

                Where:
                    secretName - The name of the secret (for example, tutorials/MyFirstSecret).\s
                """;

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

        String secretName = args[0];
        Region region = Region.US_EAST_1;
        SecretsManagerClient secretsClient = SecretsManagerClient.builder()
                .region(region)
                .build();

        getValue(secretsClient, secretName);
        secretsClient.close();
    }

    public static void getValue(SecretsManagerClient secretsClient, String secretName) {
        try {
            GetSecretValueRequest valueRequest = GetSecretValueRequest.builder()
                    .secretId(secretName)
                    .build();

            GetSecretValueResponse valueResponse = secretsClient.getSecretValue(valueRequest);
            String secret = valueResponse.secretString();
            System.out.println(secret);

        } catch (SecretsManagerException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

import {
  GetSecretValueCommand,
  SecretsManagerClient,
} from "@aws-sdk/client-secrets-manager";

export const getSecretValue = async (secretName = "SECRET_NAME") => {
  const client = new SecretsManagerClient();
  const response = await client.send(
    new GetSecretValueCommand({
      SecretId: secretName,
    }),
  );
  console.log(response);
  // {
  //   '$metadata': {
  //     httpStatusCode: 200,
  //     requestId: '584eb612-f8b0-48c9-855e-6d246461b604',
  //     extendedRequestId: undefined,
  //     cfId: undefined,
  //     attempts: 1,
  //     totalRetryDelay: 0
  //   },
  //   ARN: 'arn:aws:secretsmanager:us-east-1:xxxxxxxxxxxx:secret:binary-secret-3873048-xxxxxx',
  //   CreatedDate: 2023-08-08T19:29:51.294Z,
  //   Name: 'binary-secret-3873048',
  //   SecretBinary: Uint8Array(11) [
  //      98, 105, 110, 97, 114,
  //     121,  32, 100, 97, 116,
  //      97
  //   ],
  //   VersionId: '712083f4-0d26-415e-8044-16735142cd6a',
  //   VersionStages: [ 'AWSCURRENT' ]
  // }

  if (response.SecretString) {
    return response.SecretString;
  }

  if (response.SecretBinary) {
    return response.SecretBinary;
  }
};

suspend fun getValue(secretName: String?) {
    val valueRequest =
        GetSecretValueRequest {
            secretId = secretName
        }

    SecretsManagerClient.fromEnvironment { region = "us-east-1" }.use { secretsClient ->
        val response = secretsClient.getSecretValue(valueRequest)
        val secret = response.secretString
        println("The secret value is $secret")
    }
}

class GetSecretWrapper:
    def __init__(self, secretsmanager_client):
        self.client = secretsmanager_client


    def get_secret(self, secret_name):
        """
        Retrieve individual secrets from AWS Secrets Manager using the get_secret_value API.
        This function assumes the stack mentioned in the source code README has been successfully deployed.
        This stack includes 7 secrets, all of which have names beginning with "mySecret".

        :param secret_name: The name of the secret fetched.
        :type secret_name: str
        """
        try:
            get_secret_value_response = self.client.get_secret_value(
                SecretId=secret_name
            )
            logging.info("Secret retrieved successfully.")
            return get_secret_value_response["SecretString"]
        except self.client.exceptions.ResourceNotFoundException:
            msg = f"The requested secret {secret_name} was not found."
            logger.info(msg)
            return msg
        except Exception as e:
            logger.error(f"An unknown error occurred: {str(e)}.")
            raise

async fn show_secret(client: &Client, name: &str) -> Result<(), Error> {
    let resp = client.get_secret_value().secret_id(name).send().await?;

    println!("Value: {}", resp.secret_string().unwrap_or("No value!"));

    Ok(())
}