Hello Amazon Cognito - AWS SDKコードの例

Doc AWS SDK ExamplesWord リポジトリには、さらに多くの GitHub の例があります。 AWS SDK

翻訳は機械翻訳により提供されています。提供された翻訳内容と英語版の間で齟齬、不一致または矛盾がある場合、英語版が優先します。

Hello Amazon Cognito

次のコード例は、Amazon Cognito の使用を開始する方法を示しています。

C++
C++ のSDK
注記

GitHub には他にもあります。用例一覧を検索し、AWS コード例リポジトリでの設定と実行の方法を確認してください。

CMakeLists.txt CMake ファイルのコード。

# 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})

hello_cognito.cpp ソースファイルのコード。

#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; }
  • API の詳細については、ListUserPools AWS SDK for C++ リファレンスの API を参照してください。

Go
Go V2 のSDK
注記

GitHub には他にもあります。用例一覧を検索し、AWS コード例リポジトリでの設定と実行の方法を確認してください。

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) } } }
  • API の詳細については、ListUserPools AWS SDK for Go リファレンスの API を参照してください。

Java
Java 2.x のSDK
注記

GitHub には他にもあります。用例一覧を検索し、AWS コード例リポジトリでの設定と実行の方法を確認してください。

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); } } }
  • API の詳細については、ListUserPools AWS SDK for Java 2.x リファレンスの API を参照してください。

JavaScript
SDK(v3) の JavaScript
注記

GitHub には他にもあります。用例一覧を検索し、AWS コード例リポジトリでの設定と実行の方法を確認してください。

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; };
  • API の詳細については、ListUserPools AWS SDK for JavaScript リファレンスの API を参照してください。

Python
Python 用 SDK (Boto3)
注記

GitHub には他にもあります。用例一覧を検索し、AWS コード例リポジトリでの設定と実行の方法を確認してください。

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.")
  • API の詳細については、ListUserPools for AWS Python (Boto3) SDK APIリファレンス」を参照してください。

Ruby
Ruby のSDK
注記

GitHub には他にもあります。用例一覧を検索し、AWS コード例リポジトリでの設定と実行の方法を確認してください。

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
  • API の詳細については、ListUserPools AWS SDK for Ruby リファレンスの API を参照してください。