Bonjour Amazon Cognito

Les exemples de code suivants montrent comment bien démarrer avec Amazon Cognito.

C++

Kit de développement logiciel (SDK) for C++

Note

Il y en a plus à ce sujet GitHub. Trouvez l’exemple complet et découvrez comment le configurer et l’exécuter dans le référentiel d’exemples de code AWS.

Code pour le CMake fichier CMake Lists.txt.

# Set the minimum required version of CMake for this project.
cmake_minimum_required(VERSION 3.13)

# Set the AWS service components used by this project.
set(SERVICE_COMPONENTS cognito-idp)

# Set this project's name.
project("hello_cognito")

# Set the C++ standard to use to build this target.
# At least C++ 11 is required for the AWS SDK for C++.
set(CMAKE_CXX_STANDARD 11)

# Use the MSVC variable to determine if this is a Windows build.
set(WINDOWS_BUILD ${MSVC})

if (WINDOWS_BUILD) # Set the location where CMake can find the installed libraries for the AWS SDK.
    string(REPLACE ";" "/aws-cpp-sdk-all;" SYSTEM_MODULE_PATH "${CMAKE_SYSTEM_PREFIX_PATH}/aws-cpp-sdk-all")
    list(APPEND CMAKE_PREFIX_PATH ${SYSTEM_MODULE_PATH})
endif ()

# Find the AWS SDK for C++ package.
find_package(AWSSDK REQUIRED COMPONENTS ${SERVICE_COMPONENTS})

if (WINDOWS_BUILD AND AWSSDK_INSTALL_AS_SHARED_LIBS)
     # Copy relevant AWS SDK for C++ libraries into the current binary directory for running and debugging.

     # set(BIN_SUB_DIR "/Debug") # If you are building from the command line, you may need to uncomment this 
                                    # and set the proper subdirectory to the executables' location.

     AWSSDK_CPY_DYN_LIBS(SERVICE_COMPONENTS "" ${CMAKE_CURRENT_BINARY_DIR}${BIN_SUB_DIR})
endif ()

add_executable(${PROJECT_NAME}
        hello_cognito.cpp)

target_link_libraries(${PROJECT_NAME}
        ${AWSSDK_LINK_LIBRARIES})

Code pour le fichier source hello_cognito.cpp.

#include <aws/core/Aws.h>
#include <aws/cognito-idp/CognitoIdentityProviderClient.h>
#include <aws/cognito-idp/model/ListUserPoolsRequest.h>
#include <iostream>

/*
 *  A "Hello Cognito" starter application which initializes an Amazon Cognito client and lists the Amazon Cognito
 *  user pools.
 *
 *  main function
 *
 *  Usage: 'hello_cognito'
 *
 */

int main(int argc, char **argv) {
    Aws::SDKOptions options;
    // Optionally change the log level for debugging.
//   options.loggingOptions.logLevel = Utils::Logging::LogLevel::Debug;
    Aws::InitAPI(options); // Should only be called once.
    int result = 0;
    {
        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

        Aws::CognitoIdentityProvider::CognitoIdentityProviderClient cognitoClient(clientConfig);

        Aws::String nextToken; // Used for pagination.
        std::vector<Aws::String> userPools;

        do {
            Aws::CognitoIdentityProvider::Model::ListUserPoolsRequest listUserPoolsRequest;
            if (!nextToken.empty()) {
                listUserPoolsRequest.SetNextToken(nextToken);
            }

            Aws::CognitoIdentityProvider::Model::ListUserPoolsOutcome listUserPoolsOutcome =
                    cognitoClient.ListUserPools(listUserPoolsRequest);

            if (listUserPoolsOutcome.IsSuccess()) {
                for (auto &userPool: listUserPoolsOutcome.GetResult().GetUserPools()) {

                    userPools.push_back(userPool.GetName());
                }

                nextToken = listUserPoolsOutcome.GetResult().GetNextToken();
            } else {
                std::cerr << "ListUserPools error: " << listUserPoolsOutcome.GetError().GetMessage() << std::endl;
                result = 1;
                break;
            }


        } while (!nextToken.empty());
        std::cout << userPools.size() << " user pools found." << std::endl;
        for (auto &userPool: userPools) {
            std::cout << "   user pool: " << userPool << std::endl;
        }
    }

    Aws::ShutdownAPI(options); // Should only be called once.
    return result;
}

• Pour plus de détails sur l'API, reportez-vous ListUserPoolsà la section Référence des AWS SDK for C++ API.

Go

Kit SDK for Go V2

Note

Il y en a plus à ce sujet GitHub. Trouvez l’exemple complet et découvrez comment le configurer et l’exécuter dans le référentiel d’exemples de code AWS.

package main

import (
	"context"
	"fmt"
	"log"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/config"
	"github.com/aws/aws-sdk-go-v2/service/cognitoidentityprovider"
	"github.com/aws/aws-sdk-go-v2/service/cognitoidentityprovider/types"
)

// main uses the AWS SDK for Go V2 to create an Amazon Simple Notification Service
// (Amazon SNS) client and list the topics 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
	}
	cognitoClient := cognitoidentityprovider.NewFromConfig(sdkConfig)
	fmt.Println("Let's list the user pools for your account.")
	var pools []types.UserPoolDescriptionType
	paginator := cognitoidentityprovider.NewListUserPoolsPaginator(
		cognitoClient, &cognitoidentityprovider.ListUserPoolsInput{MaxResults: aws.Int32(10)})
	for paginator.HasMorePages() {
		output, err := paginator.NextPage(ctx)
		if err != nil {
			log.Printf("Couldn't get user pools. Here's why: %v\n", err)
		} else {
			pools = append(pools, output.UserPools...)
		}
	}
	if len(pools) == 0 {
		fmt.Println("You don't have any user pools!")
	} else {
		for _, pool := range pools {
			fmt.Printf("\t%v: %v\n", *pool.Name, *pool.Id)
		}
	}
}

• Pour plus de détails sur l'API, reportez-vous ListUserPoolsà la section Référence des AWS SDK pour Go API.

Java

SDK pour Java 2.x

Note

Il y en a plus à ce sujet GitHub. Trouvez l’exemple complet et découvrez comment le configurer et l’exécuter dans le référentiel d’exemples de code AWS.

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.cognitoidentityprovider.CognitoIdentityProviderClient;
import software.amazon.awssdk.services.cognitoidentityprovider.model.CognitoIdentityProviderException;
import software.amazon.awssdk.services.cognitoidentityprovider.model.ListUserPoolsResponse;
import software.amazon.awssdk.services.cognitoidentityprovider.model.ListUserPoolsRequest;

/**
 * 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 ListUserPools {
    public static void main(String[] args) {
        CognitoIdentityProviderClient cognitoClient = CognitoIdentityProviderClient.builder()
                .region(Region.US_EAST_1)
                .build();

        listAllUserPools(cognitoClient);
        cognitoClient.close();
    }

    public static void listAllUserPools(CognitoIdentityProviderClient cognitoClient) {
        try {
            ListUserPoolsRequest request = ListUserPoolsRequest.builder()
                    .maxResults(10)
                    .build();

            ListUserPoolsResponse response = cognitoClient.listUserPools(request);
            response.userPools().forEach(userpool -> {
                System.out.println("User pool " + userpool.name() + ", User ID " + userpool.id());
            });

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

• Pour plus de détails sur l'API, reportez-vous ListUserPoolsà la section Référence des AWS SDK for Java 2.x API.

JavaScript

SDK pour JavaScript (v3)

Note

Il y en a plus à ce sujet GitHub. Trouvez l’exemple complet et découvrez comment le configurer et l’exécuter dans le référentiel d’exemples de code AWS.

import {
  paginateListUserPools,
  CognitoIdentityProviderClient,
} from "@aws-sdk/client-cognito-identity-provider";

const client = new CognitoIdentityProviderClient({});

export const helloCognito = async () => {
  const paginator = paginateListUserPools({ client }, {});

  const userPoolNames = [];

  for await (const page of paginator) {
    const names = page.UserPools.map((pool) => pool.Name);
    userPoolNames.push(...names);
  }

  console.log("User pool names: ");
  console.log(userPoolNames.join("\n"));
  return userPoolNames;
};

• Pour plus de détails sur l'API, reportez-vous ListUserPoolsà la section Référence des AWS SDK for JavaScript API.

Python

SDK pour Python (Boto3)

Note

Il y en a plus à ce sujet GitHub. Trouvez l’exemple complet et découvrez comment le configurer et l’exécuter dans le référentiel d’exemples de code AWS.

import boto3

# Create a Cognito Identity Provider client
cognitoidp = boto3.client("cognito-idp")

# Initialize a paginator for the list_user_pools operation
paginator = cognitoidp.get_paginator("list_user_pools")

# Create a PageIterator from the paginator
page_iterator = paginator.paginate(MaxResults=10)

# Initialize variables for pagination
user_pools = []

# Handle pagination
for page in page_iterator:
    user_pools.extend(page.get("UserPools", []))

# Print the list of user pools
print("User Pools for the account:")
if user_pools:
    for pool in user_pools:
        print(f"Name: {pool['Name']}, ID: {pool['Id']}")
else:
    print("No user pools found.")

• Pour plus de détails sur l'API, consultez ListUserPoolsle AWS manuel de référence de l'API SDK for Python (Boto3).

Ruby

Kit SDK pour Ruby

Note

Il y en a plus à ce sujet GitHub. Trouvez l’exemple complet et découvrez comment le configurer et l’exécuter dans le référentiel d’exemples de code AWS.

require 'aws-sdk-cognitoidentityprovider'
require 'logger'

# CognitoManager is a class responsible for managing AWS Cognito operations
# such as listing all user pools in the current AWS account.
class CognitoManager
  def initialize(client)
    @client = client
    @logger = Logger.new($stdout)
  end

  # Lists and prints all user pools associated with the AWS account.
  def list_user_pools
    paginator = @client.list_user_pools(max_results: 10)
    user_pools = []
    paginator.each_page do |page|
      user_pools.concat(page.user_pools)
    end

    if user_pools.empty?
      @logger.info('No Cognito user pools found.')
    else
      user_pools.each do |user_pool|
        @logger.info("User pool ID: #{user_pool.id}")
        @logger.info("User pool name: #{user_pool.name}")
        @logger.info("User pool status: #{user_pool.status}")
        @logger.info('---')
      end
    end
  end
end

if $PROGRAM_NAME == __FILE__
  cognito_client = Aws::CognitoIdentityProvider::Client.new
  manager = CognitoManager.new(cognito_client)
  manager.list_user_pools
end

• Pour plus de détails sur l'API, reportez-vous ListUserPoolsà la section Référence des AWS SDK for Ruby API.

Pour obtenir la liste complète des guides de développement du AWS SDK et des exemples de code, consultezUtilisation de ce service avec un AWS SDK. Cette rubrique comprend également des informations sur le démarrage et sur les versions précédentes de SDK.