使用Cognito Federated Identities进行API网关身份验证 [英] API Gateway authentication with Cognito Federated Identities

问题描述

我想使用Cognito Federated Entity（允许通过Google登录等），允许访问用于web javascript应用程序的API Gateway。
我设法通过与Google签约获得了Cognito的sessionToken但是我坚持使用API​​网关配置来启用会话令牌。

I want to use Cognito Federated Entity (allowing signin through Google etc), to allow access to API Gateway for a web javascript application. I managed to get the Cognito's sessionToken through signing-in with Google but I'm stuck on the API Gateway configuration for enabling the session token.

是否有这个整个联邦实体认证工作流程的一个很好的教程？

Is there a good tutorial for this entire Federated Entity authentication workflow?

谢谢！

推荐答案

由于您要通过经过身份验证的Cognito身份调用API，首先

Since you want to invoke APIs via authenticated Cognito identity, first

1. 修改身份池的auth角色以使api执行策略，您可以将托管策略AmazonAPIGatewayInvokeFullAccess附加到相应的角色


2. 在相应方法请求下的API网关中，将授权添加为
   AWS_IAM



3. 您需要在使用IAM身份验证时签署请求，此处说明 https://docs.aws.amazon.com/general/latest/gr/signing_aws_api_requests.html

In而不是＃3，您可以从API网关的舞台面板生成并下载SDK，并通过sdk调用api。

Instead of #3, you could generate and download the SDK from the stage panel of your API gateway, and make a call to the api via sdk.

获得认知会话后，您可以使用下面的sdk拨打电话

Once you obtain the cognito session, you could make a call using the sdk like below

var apigClient = apigClientFactory.newClient({
    accessKey: AWSCognito.config.credentials.accessKeyId,
    secretKey: AWSCognito.config.credentials.secretAccessKey,
    sessionToken: AWSCognito.config.credentials.sessionToken
});

var params = {
    // This is where any modeled request parameters should be added.
    // The key is the parameter name, as it is defined in the API in API Gateway.
};

var body = {};

var additionalParams = {
    // If there are any unmodeled query parameters or headers that must be
    //   sent with the request, add them here.
    headers: {
        'Content-Type': 'application/json'
    },
    queryParams: {}
};

apigClient.<resource><Method>(params, body, additionalParams)
.then(function(result) {
    // 
}).catch(function(err) {
    //
});

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