拒绝Cognito用户池中的注册请求 [英] Denying a Sign-up request in Cognito User Pools

问题描述

Cognito用户池预注册Lambda触发器的描述为：

The description of a Cognito User Pools Pre Sign-up Lambda Trigger is:

在用户提交其信息时调用此触发器进行注册，允许您执行自定义验证以接受或拒绝注册请求。

This trigger is invoked when a user submits their information to sign up, allowing you to perform custom validation to accept or deny the sign up request.

我要拒绝注册根据我的Lambda中的特定条件提出要求。触发参数（从以下文档中复制）似乎仅支持自动验证和自动确认：

I want to deny a sign-up request based on a certain condition in my Lambda. The trigger parameters (reproduced from the docs below) seem to only support auto-verification and auto-confirmation:

{
    "request": {
        "userAttributes": {
            "string": "string",
            ....
        },
        "validationData": {
            "string": "string",
            "string": "string",
             ....
        }
    },

    "response": {
        "autoConfirmUser": "boolean",
        "autoVerifyPhone": "boolean",
        "autoVerifyEmail": "boolean"
    }
}

如何根据预签名的结果接受或拒绝注册请求，了Lambda触发器？

How can I accept or deny a sign-up request based on the outcome of the Pre Sign-up Lambda Trigger?

推荐答案

您可以从lambda返回一个空字典来拒绝注册请求。同样，您返回事件值本身以接受注册请求。

You can return a empty dict from the lambda to deny sign up request. Similarly you return the event value itself to accept the sign up request.

def lambda_handler(event, context):
    if denySignUp:
        return {}
    else:
        return event

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