AWS Code Sample


A CAPTCHA is created as a challenge to the user. The URL for the CAPTCHA image is added to the public challenge parameters as "captchaUrl", and the expected answer is added to the private challenge parameters.

// Copyright 2010-2019, Inc. or its affiliates. All Rights Reserved. // // This file is licensed under the Apache License, Version 2.0 (the "License"). // You may not use this file except in compliance with the License. A copy of // the License is located at // // // // This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR // CONDITIONS OF ANY KIND, either express or implied. See the License for the // specific language governing permissions and limitations under the License. exports.handler = (event, context, callback) => { if (event.request.challengeName == 'CUSTOM_CHALLENGE') { event.response.publicChallengeParameters = {}; event.response.publicChallengeParameters.captchaUrl = 'url/123.jpg' event.response.privateChallengeParameters = {}; event.response.privateChallengeParameters.answer = '5'; event.response.challengeMetadata = 'CAPTCHA_CHALLENGE'; } Return to Amazon Cognito callback(null, event); }

Sample Details

Service: cognito-idp

Last tested: 2019-01-30

Author: AWS

Type: full-example

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