CODEWITHSUNDEEP
amazon-web-servicesaws-lambdaamazon-iam
Raj Patel
Raj Patel

Reputation: 23

AWS IAM Authentication

I have used AWS IAM Authentication in my API to authorize each request. Now I want the User Name of the authenticated request of the users. For example, one user makes a request to my API and he is already authorized(IAM Entry) then I want the user name or API key of that user. Have any idea?

Upvotes: 0

Views: 205

Answers (1)

Arun Kamalanathan
Arun Kamalanathan

Reputation: 8603

I just did a test for you. The lambda received the following event.

{
  ...
  "body": null,
  "resource": "/",
  "requestContext": {
    "identity": {
      "userArn": "arn:aws:iam::561819318197:user/testadmin",
      "cognitoAuthenticationType": null,
      "principalOrgId": null,
      "accessKey": "AKIAABTYKO625OKJWL65",
      "caller": "AIDAYFTYKO62TO35WYOWZ",
      "userAgent": "PostmanRuntime/7.6.0",
      "user": "AIDAYFTCDO62TO35WYOWZ",
      "cognitoIdentityPoolId": null,
      "cognitoIdentityId": null,
      "cognitoAuthenticationProvider": null,
      "sourceIp": "[user ip]",
      "accountId": "123456789012"
    },
    "accountId": "123456789012"
  }
  ...
}

I think you can use the event.requestContext.user.

Hope you find this helpful.

Upvotes: 3

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