用于 C++ 的 Amazon Cognito 身份提供商示例 SDK

以下代码示例向您展示了如何使用 AWS SDK for C++ 与 Amazon Cognito 身份提供商配合使用来执行操作和实现常见场景。

操作是大型程序的代码摘录，必须在上下文中运行。您可以通过操作了解如何调用单个服务函数，还可以通过函数相关场景的上下文查看操作。

场景是向您展示如何通过在一个服务中调用多个函数或与其他 AWS 服务结合来完成特定任务的代码示例。

每个示例都包含一个指向完整源代码的链接，您可以在其中找到有关如何在上下文中设置和运行代码的说明。

开始使用

以下代码示例展示了如何开始使用 Amazon Cognito。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

CMakeLists.txt CMake 文件的代码。


# 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 源文件的代码。


#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;
}

有关API详细信息，请参阅 “AWS SDK for C++ API参考 ListUserPools” 中的。

操作

以下代码示例显示了如何使用AdminGetUser。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

    Aws::CognitoIdentityProvider::Model::AdminGetUserRequest request;
    request.SetUsername(userName);
    request.SetUserPoolId(userPoolID);

    Aws::CognitoIdentityProvider::Model::AdminGetUserOutcome outcome =
            client.AdminGetUser(request);

    if (outcome.IsSuccess()) {
        std::cout << "The status for " << userName << " is " <<
                  Aws::CognitoIdentityProvider::Model::UserStatusTypeMapper::GetNameForUserStatusType(
                          outcome.GetResult().GetUserStatus()) << std::endl;
        std::cout << "Enabled is " << outcome.GetResult().GetEnabled() << std::endl;
    }
    else {
        std::cerr << "Error with CognitoIdentityProvider::AdminGetUser. "
                  << outcome.GetError().GetMessage()
                  << std::endl;
    }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 AdminGetUser” 中的。

以下代码示例显示了如何使用AdminInitiateAuth。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

    Aws::CognitoIdentityProvider::Model::AdminInitiateAuthRequest request;
    request.SetClientId(clientID);
    request.SetUserPoolId(userPoolID);
    request.AddAuthParameters("USERNAME", userName);
    request.AddAuthParameters("PASSWORD", password);
    request.SetAuthFlow(
            Aws::CognitoIdentityProvider::Model::AuthFlowType::ADMIN_USER_PASSWORD_AUTH);


    Aws::CognitoIdentityProvider::Model::AdminInitiateAuthOutcome outcome =
            client.AdminInitiateAuth(request);

    if (outcome.IsSuccess()) {
        std::cout << "Call to AdminInitiateAuth was successful." << std::endl;
        sessionResult = outcome.GetResult().GetSession();
    }
    else {
        std::cerr << "Error with CognitoIdentityProvider::AdminInitiateAuth. "
                  << outcome.GetError().GetMessage()
                  << std::endl;
    }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 AdminInitiateAuth” 中的。

以下代码示例显示了如何使用AdminRespondToAuthChallenge。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

        Aws::CognitoIdentityProvider::Model::AdminRespondToAuthChallengeRequest request;
        request.AddChallengeResponses("USERNAME", userName);
        request.AddChallengeResponses("SOFTWARE_TOKEN_MFA_CODE", mfaCode);
        request.SetChallengeName(
                Aws::CognitoIdentityProvider::Model::ChallengeNameType::SOFTWARE_TOKEN_MFA);
        request.SetClientId(clientID);
        request.SetUserPoolId(userPoolID);
        request.SetSession(session);

        Aws::CognitoIdentityProvider::Model::AdminRespondToAuthChallengeOutcome outcome =
                client.AdminRespondToAuthChallenge(request);

        if (outcome.IsSuccess()) {
            std::cout << "Here is the response to the challenge.\n" <<
                      outcome.GetResult().GetAuthenticationResult().Jsonize().View().WriteReadable()
                      << std::endl;

            accessToken = outcome.GetResult().GetAuthenticationResult().GetAccessToken();
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::AdminRespondToAuthChallenge. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 AdminRespondToAuthChallenge” 中的。

以下代码示例显示了如何使用AssociateSoftwareToken。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

        Aws::CognitoIdentityProvider::Model::AssociateSoftwareTokenRequest request;
        request.SetSession(session);

        Aws::CognitoIdentityProvider::Model::AssociateSoftwareTokenOutcome outcome =
                client.AssociateSoftwareToken(request);

        if (outcome.IsSuccess()) {
            std::cout
                    << "Enter this setup key into an authenticator app, for example Google Authenticator."
                    << std::endl;
            std::cout << "Setup key: " << outcome.GetResult().GetSecretCode()
                      << std::endl;
#ifdef USING_QR
            printAsterisksLine();
            std::cout << "\nOr scan the QR code in the file '" << QR_CODE_PATH << "."
                      << std::endl;

            saveQRCode(std::string("otpauth://totp/") + userName + "?secret=" +
                       outcome.GetResult().GetSecretCode());
#endif // USING_QR
            session = outcome.GetResult().GetSession();
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::AssociateSoftwareToken. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 AssociateSoftwareToken” 中的。

以下代码示例显示了如何使用ConfirmSignUp。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

        Aws::CognitoIdentityProvider::Model::ConfirmSignUpRequest request;
        request.SetClientId(clientID);
        request.SetConfirmationCode(confirmationCode);
        request.SetUsername(userName);

        Aws::CognitoIdentityProvider::Model::ConfirmSignUpOutcome outcome =
                client.ConfirmSignUp(request);

        if (outcome.IsSuccess()) {
            std::cout << "ConfirmSignup was Successful."
                      << std::endl;
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::ConfirmSignUp. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 ConfirmSignUp” 中的。

以下代码示例显示了如何使用DeleteUser。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

        Aws::CognitoIdentityProvider::Model::DeleteUserRequest request;
        request.SetAccessToken(accessToken);

        Aws::CognitoIdentityProvider::Model::DeleteUserOutcome outcome =
                client.DeleteUser(request);

        if (outcome.IsSuccess()) {
            std::cout << "The user " << userName << " was deleted."
                      << std::endl;
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::DeleteUser. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
        }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 DeleteUser” 中的。

以下代码示例显示了如何使用ResendConfirmationCode。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

        Aws::CognitoIdentityProvider::Model::ResendConfirmationCodeRequest request;
        request.SetUsername(userName);
        request.SetClientId(clientID);

        Aws::CognitoIdentityProvider::Model::ResendConfirmationCodeOutcome outcome =
                client.ResendConfirmationCode(request);

        if (outcome.IsSuccess()) {
            std::cout
                    << "CognitoIdentityProvider::ResendConfirmationCode was successful."
                    << std::endl;
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::ResendConfirmationCode. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 ResendConfirmationCode” 中的。

以下代码示例显示了如何使用SignUp。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

        Aws::CognitoIdentityProvider::Model::SignUpRequest request;
        request.AddUserAttributes(
                Aws::CognitoIdentityProvider::Model::AttributeType().WithName(
                        "email").WithValue(email));
        request.SetUsername(userName);
        request.SetPassword(password);
        request.SetClientId(clientID);
        Aws::CognitoIdentityProvider::Model::SignUpOutcome outcome =
                client.SignUp(request);

        if (outcome.IsSuccess()) {
            std::cout << "The signup request for " << userName << " was successful."
                      << std::endl;
        }
        else if (outcome.GetError().GetErrorType() ==
                 Aws::CognitoIdentityProvider::CognitoIdentityProviderErrors::USERNAME_EXISTS) {
            std::cout
                    << "The username already exists. Please enter a different username."
                    << std::endl;
            userExists = true;
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::SignUpRequest. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 SignUp” 中的。

以下代码示例显示了如何使用VerifySoftwareToken。

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

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

        Aws::CognitoIdentityProvider::Model::VerifySoftwareTokenRequest request;
        request.SetUserCode(userCode);
        request.SetSession(session);

        Aws::CognitoIdentityProvider::Model::VerifySoftwareTokenOutcome outcome =
                client.VerifySoftwareToken(request);

        if (outcome.IsSuccess()) {
            std::cout << "Verification of the code was successful."
                      << std::endl;
            session = outcome.GetResult().GetSession();
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::VerifySoftwareToken. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }

有关API详细信息，请参阅 “AWS SDK for C++ API参考 VerifySoftwareToken” 中的。

场景

以下代码示例展示了如何：

使用用户名、密码和电子邮件地址注册和确认用户。
通过将MFA应用程序与用户关联来设置多因素身份验证。
使用密码和密码登录。MFA

SDK对于 C++

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

//! Scenario that adds a user to an Amazon Cognito user pool.
/*!
  \sa gettingStartedWithUserPools()
  \param clientID: Client ID associated with an Amazon Cognito user pool.
  \param userPoolID: An Amazon Cognito user pool ID.
  \param clientConfig: Aws client configuration.
  \return bool: Successful completion.
 */
bool AwsDoc::Cognito::gettingStartedWithUserPools(const Aws::String &clientID,
                                                  const Aws::String &userPoolID,
                                                  const Aws::Client::ClientConfiguration &clientConfig) {
    printAsterisksLine();
    std::cout
            << "Welcome to the Amazon Cognito example scenario."
            << std::endl;
    printAsterisksLine();

    std::cout
            << "This scenario will add a user to an Amazon Cognito user pool."
            << std::endl;
    const Aws::String userName = askQuestion("Enter a new username: ");
    const Aws::String password = askQuestion("Enter a new password: ");
    const Aws::String email = askQuestion("Enter a valid email for the user: ");

    std::cout << "Signing up " << userName << std::endl;

    Aws::CognitoIdentityProvider::CognitoIdentityProviderClient client(clientConfig);
    bool userExists = false;
    do {
        // 1. Add a user with a username, password, and email address.
        Aws::CognitoIdentityProvider::Model::SignUpRequest request;
        request.AddUserAttributes(
                Aws::CognitoIdentityProvider::Model::AttributeType().WithName(
                        "email").WithValue(email));
        request.SetUsername(userName);
        request.SetPassword(password);
        request.SetClientId(clientID);
        Aws::CognitoIdentityProvider::Model::SignUpOutcome outcome =
                client.SignUp(request);

        if (outcome.IsSuccess()) {
            std::cout << "The signup request for " << userName << " was successful."
                      << std::endl;
        }
        else if (outcome.GetError().GetErrorType() ==
                 Aws::CognitoIdentityProvider::CognitoIdentityProviderErrors::USERNAME_EXISTS) {
            std::cout
                    << "The username already exists. Please enter a different username."
                    << std::endl;
            userExists = true;
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::SignUpRequest. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }
    } while (userExists);

    printAsterisksLine();
    std::cout << "Retrieving status of " << userName << " in the user pool."
              << std::endl;
    // 2. Confirm that the user was added to the user pool.
    if (!checkAdminUserStatus(userName, userPoolID, client)) {
        return false;
    }

    std::cout << "A confirmation code was sent to " << email << "." << std::endl;

    bool resend = askYesNoQuestion("Would you like to send a new code? (y/n) ");
    if (resend) {
        // Request a resend of the confirmation code to the email address. (ResendConfirmationCode)
        Aws::CognitoIdentityProvider::Model::ResendConfirmationCodeRequest request;
        request.SetUsername(userName);
        request.SetClientId(clientID);

        Aws::CognitoIdentityProvider::Model::ResendConfirmationCodeOutcome outcome =
                client.ResendConfirmationCode(request);

        if (outcome.IsSuccess()) {
            std::cout
                    << "CognitoIdentityProvider::ResendConfirmationCode was successful."
                    << std::endl;
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::ResendConfirmationCode. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }
    }

    printAsterisksLine();

    {
        // 4. Send the confirmation code that's received in the email. (ConfirmSignUp)
        const Aws::String confirmationCode = askQuestion(
                "Enter the confirmation code that was emailed: ");
        Aws::CognitoIdentityProvider::Model::ConfirmSignUpRequest request;
        request.SetClientId(clientID);
        request.SetConfirmationCode(confirmationCode);
        request.SetUsername(userName);

        Aws::CognitoIdentityProvider::Model::ConfirmSignUpOutcome outcome =
                client.ConfirmSignUp(request);

        if (outcome.IsSuccess()) {
            std::cout << "ConfirmSignup was Successful."
                      << std::endl;
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::ConfirmSignUp. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }
    }

    std::cout << "Rechecking the status of " << userName << " in the user pool."
              << std::endl;
    if (!checkAdminUserStatus(userName, userPoolID, client)) {
        return false;
    }

    printAsterisksLine();

    std::cout << "Initiating authorization using the username and password."
              << std::endl;

    Aws::String session;
    // 5. Initiate authorization with username and password. (AdminInitiateAuth)
    if (!adminInitiateAuthorization(clientID, userPoolID,  userName, password, session, client)) {
        return false;
    }

    printAsterisksLine();

    std::cout
            << "Starting setup of time-based one-time password (TOTP) multi-factor authentication (MFA)."
            << std::endl;

    {
        // 6. Request a setup key for one-time password (TOTP)
        //    multi-factor authentication (MFA). (AssociateSoftwareToken)
        Aws::CognitoIdentityProvider::Model::AssociateSoftwareTokenRequest request;
        request.SetSession(session);

        Aws::CognitoIdentityProvider::Model::AssociateSoftwareTokenOutcome outcome =
                client.AssociateSoftwareToken(request);

        if (outcome.IsSuccess()) {
            std::cout
                    << "Enter this setup key into an authenticator app, for example Google Authenticator."
                    << std::endl;
            std::cout << "Setup key: " << outcome.GetResult().GetSecretCode()
                      << std::endl;
#ifdef USING_QR
            printAsterisksLine();
            std::cout << "\nOr scan the QR code in the file '" << QR_CODE_PATH << "."
                      << std::endl;

            saveQRCode(std::string("otpauth://totp/") + userName + "?secret=" +
                       outcome.GetResult().GetSecretCode());
#endif // USING_QR
            session = outcome.GetResult().GetSession();
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::AssociateSoftwareToken. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }
    }
    askQuestion("Type enter to continue...", alwaysTrueTest);

    printAsterisksLine();

    {
        Aws::String userCode = askQuestion(
                "Enter the 6 digit code displayed in the authenticator app: ");

        //  7. Send the MFA code copied from an authenticator app. (VerifySoftwareToken)
        Aws::CognitoIdentityProvider::Model::VerifySoftwareTokenRequest request;
        request.SetUserCode(userCode);
        request.SetSession(session);

        Aws::CognitoIdentityProvider::Model::VerifySoftwareTokenOutcome outcome =
                client.VerifySoftwareToken(request);

        if (outcome.IsSuccess()) {
            std::cout << "Verification of the code was successful."
                      << std::endl;
            session = outcome.GetResult().GetSession();
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::VerifySoftwareToken. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }
    }

    printAsterisksLine();
    std::cout << "You have completed the MFA authentication setup." << std::endl;
    std::cout << "Now, sign in." << std::endl;

    // 8. Initiate authorization again with username and password. (AdminInitiateAuth)
    if (!adminInitiateAuthorization(clientID, userPoolID, userName, password, session, client)) {
        return false;
    }

    Aws::String accessToken;
    {
        Aws::String mfaCode = askQuestion(
                "Re-enter the 6 digit code displayed in the authenticator app: ");

        // 9. Send a new MFA code copied from an authenticator app. (AdminRespondToAuthChallenge)
        Aws::CognitoIdentityProvider::Model::AdminRespondToAuthChallengeRequest request;
        request.AddChallengeResponses("USERNAME", userName);
        request.AddChallengeResponses("SOFTWARE_TOKEN_MFA_CODE", mfaCode);
        request.SetChallengeName(
                Aws::CognitoIdentityProvider::Model::ChallengeNameType::SOFTWARE_TOKEN_MFA);
        request.SetClientId(clientID);
        request.SetUserPoolId(userPoolID);
        request.SetSession(session);

        Aws::CognitoIdentityProvider::Model::AdminRespondToAuthChallengeOutcome outcome =
                client.AdminRespondToAuthChallenge(request);

        if (outcome.IsSuccess()) {
            std::cout << "Here is the response to the challenge.\n" <<
                      outcome.GetResult().GetAuthenticationResult().Jsonize().View().WriteReadable()
                      << std::endl;

            accessToken = outcome.GetResult().GetAuthenticationResult().GetAccessToken();
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::AdminRespondToAuthChallenge. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            return false;
        }

        std::cout << "You have successfully added a user to Amazon Cognito."
                  << std::endl;
    }

    if (askYesNoQuestion("Would you like to delete the user that you just added? (y/n) ")) {
        // 10. Delete the user that you just added. (DeleteUser)
        Aws::CognitoIdentityProvider::Model::DeleteUserRequest request;
        request.SetAccessToken(accessToken);

        Aws::CognitoIdentityProvider::Model::DeleteUserOutcome outcome =
                client.DeleteUser(request);

        if (outcome.IsSuccess()) {
            std::cout << "The user " << userName << " was deleted."
                      << std::endl;
        }
        else {
            std::cerr << "Error with CognitoIdentityProvider::DeleteUser. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
        }
    }

    return true;
}

//! Routine which checks the user status in an Amazon Cognito user pool.
/*!
 \sa checkAdminUserStatus()
 \param userName: A username.
 \param userPoolID: An Amazon Cognito user pool ID.
 \return bool: Successful completion.
 */
bool AwsDoc::Cognito::checkAdminUserStatus(const Aws::String &userName,
                                           const Aws::String &userPoolID,
                                           const Aws::CognitoIdentityProvider::CognitoIdentityProviderClient &client) {
    Aws::CognitoIdentityProvider::Model::AdminGetUserRequest request;
    request.SetUsername(userName);
    request.SetUserPoolId(userPoolID);

    Aws::CognitoIdentityProvider::Model::AdminGetUserOutcome outcome =
            client.AdminGetUser(request);

    if (outcome.IsSuccess()) {
        std::cout << "The status for " << userName << " is " <<
                  Aws::CognitoIdentityProvider::Model::UserStatusTypeMapper::GetNameForUserStatusType(
                          outcome.GetResult().GetUserStatus()) << std::endl;
        std::cout << "Enabled is " << outcome.GetResult().GetEnabled() << std::endl;
    }
    else {
        std::cerr << "Error with CognitoIdentityProvider::AdminGetUser. "
                  << outcome.GetError().GetMessage()
                  << std::endl;
    }

    return outcome.IsSuccess();
}

//! Routine which starts authorization of an Amazon Cognito user.
//! This routine requires administrator credentials.
/*!
 \sa adminInitiateAuthorization()
 \param clientID: Client ID of tracked device.
 \param userPoolID: An Amazon Cognito user pool ID.
 \param userName: A username.
 \param password: A password.
 \param sessionResult: String to receive a session token.
 \return bool: Successful completion.
 */
bool AwsDoc::Cognito::adminInitiateAuthorization(const Aws::String &clientID,
                                                 const Aws::String &userPoolID,
                                                 const Aws::String &userName,
                                                 const Aws::String &password,
                                                 Aws::String &sessionResult,
                                                 const Aws::CognitoIdentityProvider::CognitoIdentityProviderClient &client) {
    Aws::CognitoIdentityProvider::Model::AdminInitiateAuthRequest request;
    request.SetClientId(clientID);
    request.SetUserPoolId(userPoolID);
    request.AddAuthParameters("USERNAME", userName);
    request.AddAuthParameters("PASSWORD", password);
    request.SetAuthFlow(
            Aws::CognitoIdentityProvider::Model::AuthFlowType::ADMIN_USER_PASSWORD_AUTH);


    Aws::CognitoIdentityProvider::Model::AdminInitiateAuthOutcome outcome =
            client.AdminInitiateAuth(request);

    if (outcome.IsSuccess()) {
        std::cout << "Call to AdminInitiateAuth was successful." << std::endl;
        sessionResult = outcome.GetResult().GetSession();
    }
    else {
        std::cerr << "Error with CognitoIdentityProvider::AdminInitiateAuth. "
                  << outcome.GetError().GetMessage()
                  << std::endl;
    }

    return outcome.IsSuccess();
}

有关API详细信息，请参阅 “参AWS SDK for C++ API考” 中的以下主题。

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