Cognito access token vs id token aws. Feb 6, 2022 · この説明だけを見ていると「アクセス権！つまり認可か！？」と思いがちだが早まってはいけない。今はCognitoの認証（ユーザープール）のお話をしており、cognitoにおける認可は「IDプール」のはずだからだ。 In response to your successful request, the authorization server returns an access token. Jul 28, 2020 · To be secure, your JWT token must be signed using an asymmetric keypair (I mention this simply because a lot of people have implemented their own identity servers incorrectly; Cognito does it right). 0 service. Every identity in your identity pool is either authenticated or unauthenticated. The ID token is a JSON Web Token (JWT) that contains claims about the identity of the authenticated user, such as name, email, and phone_number. From all standards - ID token should not be used to gain acces When a user logs in using the shared UI for cognito on the frontend, they get an access token, id token and refresh token. Access tokens are used to verify the bearer of the token (i. getJwtToken() var idToken = result. I. Oct 13, 2020 · Consider a restapi backend consisting of AWS-ApiGateway and -Lambda. The ID token should comply with JWT (JSON Web Token) format. This user pool has the OAuth Scopes phone and email associated with it and also a custom scope which I intend to grant read access to the S3 bucket. Cognito also delivers temporary, limited-privilege credentials to your application to access AWS resources. The user takes an action in the app that requires access-protected resources in AWS. Let's start by depicting the scenario where the access token fits: In the diagram above, a client application wants to access a resource, e. The access token is a JSON Web Token (JWT). They contain information about the user (ID token), the user's level of access (access token), and the user's entitlement to persist their signed-in session (refresh token). Oct 17, 2012 · Amazon Cognito identity pools assign your authenticated users a set of temporary, limited-privilege credentials to access your AWS resources. Authenticated identities belong to users who are authenticated by a public login provider (Amazon Cognito user pools, Login with Amazon, Sign in with Apple, Facebook, Google, SAML, or any OpenID Connect Providers) or a developer provider (your own backend May 6, 2021 · In your case, your Cognito lambda trigger takes the identity from Cognito (which your trigger trusts as having been properly authenticated) and then makes a decision about what to authorize that identity to; Cognito uses your supplied information to provide a signed access token from the raw information you provide (namely, the claims that the Mar 27, 2023 · Thanks for your reply, yes I understand it, ID token provides claims so FE can read from it. I am finding however that the Authorizer will only accept the ID token to grant access and returns unauthorized if I pass the access token. ) that prove that user is authenticated, meaning they verify the identity of the user. The identity token is used to authorize API calls based on identity claims of the signed-in user. Here the BE is called with the access token and so the user identified via cognito userpool. Nov 4, 2022 · That access token is particularly usually like a JWT, a JSON Web token. Verify that the requested scope returns an ID token. identity. You can manually verify the ID token in scenarios similar to the following: You created a web application and want to use an Amazon Cognito user pool for authentication. Set up an Amazon Cognito identity pool when you want to authorize authenticated or anonymous users to access your AWS resources. During API calls, the lambda function needs to know the email address of the authenticated client, so I basically have two choices: You can authorize an AssociateSoftwareToken request with either the user's access token, or a session string from a challenge response that you received from Amazon Cognito. You can use this identity information inside your application. identity contains the cognito claims from the identified user. Delegated authorization was the basic idea behind OAuth. Even when this extra setup is done you cannot use the built-in authorizer test functionality with an access token, only an id token. getAccessToken(). cognito. Add Claims to ID Token We can modify the ID Token in a way that it contains the information actually need. You always get a refresh token as well. Also, if any secrets are involved in the token exchange, the API can send them securely whereas the mobile app cannot. I can perfectly fine call APIs if I'm using the ID token, but if I try access token and even directly from Api console gateway->authorizer->test "Unauthorized request" Ok now it's a matter of principle (since I can use id token jwt just fine) I want to understand why. A modified ID token creates a risk of impersonation. signIn will be store in localStorage. When your cache key duration expires, your API forwards the request to your token endpoint and caches a new access token. A modified access token creates a risk of privilege escalation. I have a customer, that is using a Cognito Identity Pool in conjunction with a Cognito User Pool. I need that attribute to get the user data from some internal DB flows. The access token from a client credentials grant is an authorization mechanism that contains OAuth 2. Access tokens are designed to authorize users by granting access to specific resources or performing actions on behalf of the user through scope claims. This token type authenticates users and enables authorization decisions in apps and API gateways. You can authenticate users with a trusted identity provider, like a user pool or a SAML 2. If the refresh token is expired, your app user must re-authenticate by signing in again to your user pool. After I login, UI make requests which require Authorization(use id token), but it fa Change the role associated with an identity type. requestContext. You will need to pass the JWT Access Token returned by Cognito initiateAuth API. Jul 7, 2021 · Because i have the same use case, i have Okta SAML connected to AWS Cognito, and the attributes that are transferred from Okta to Cognito are in Id Token. The response contains API credentials for a temporary session with an IAM role. admin scope does not. The permissions for each user are controlled through IAM roles that you create. After you enable token revocation, new claims are added in the Amazon Cognito JSON Web Tokens. The OAuth 2. Note: Application Load Balancers do not support customized access tokens issued by Amazon Cognito. Your app passes the access token in the API call to the resource server. The origin_jti and jti claims are added to access and ID tokens. If you need attributes inside an ID token, excluding open id claims such as exp, iss, aud, then maybe it's possible. There are multiple resources which explain the concepts of federated identity service. An identity pool issues AWS credentials for your app to serve resources to users. My only concern is that some people online state that Id Token should not be used for Authorization Logic - but this To create a custom attribute for an access token, enter the following values: Name: access_token Type: String Max: 2,048 Mutable: Select this check box; Choose Save. 1- One needs an id_token not an access_token to authenticate to Cognito, as misleading as this might sound. your backend uses the ID token to decide what resources a given user is allowed to access), you could also use a Congito ID Pool to perform authorization. These are called User Pool Tokens. after 90min the session will expire, then I need to refresh with new idToken. Before generating the set of tokens (identity token and access token), Cognito first called the pre-token-generation Lambda trigger. One of the good things about Cognito access tokens is that they do not reveal sensitive token data to internet (web and mobile) clients. This doesn't fully answer the OP's question (as it's using pre token generation), however its possibly relevant to others landing here. These tokens are used to identity your user, and access resources. idToken. Typical 80% solution from AWS! Jun 8, 2022 · When you provided the login information (username and password), Amazon Cognito authenticated the user. For example, you can use the access token to grant your user access to add, change, or delete user attributes. Typically, the token contains custom scope claims that authorize HTTP operations to access-protected APIs. 0 token endpoint at /oauth2/token issues JSON web tokens (JWTs). These claims increase the size of the Nov 23, 2021 · Username and UserPoolId are same of login function above that returns an id token, access_token and refresh_token populated , } from "@aws-sdk/client-cognito Apr 11, 2023 · However, there are security risks when using the ID Token in such a way. Aug 7, 2016 · Token on the other hand is an OpenId token which belongs to that user and is valid for a limited time. Then the lambda resolver is called and the ctx. The thing is that I customized an attribute in Cognito containing the userId and that custom attribute is in the id token. So you get your access token. The industry standard is to only send May 4, 2018 · When successfully logged in into the cognito user pool, I can retrieve access token and id token from the callback function as. Click on Show Details button to see the customization options like below: Access token expiration must be between 5 minutes and 1 day. It's signed and it's got a lot of properties in it. when the user signs in, you ask for acceess to certain scopes and the scopes selected (consented) by the user , then is included in the access token (as scopes and audience claims). " Mar 23, 2021 · No. Jul 10, 2019 · UPDATE, 18th Dec 23. user. May 25, 2016 · @nueverest the SECRET_HASH is required if the User Pool App has been defined with an App client secret, but they are not the same thing. The application stores the session credentials. how to handle the refresh token service in AWS Cognito using amplify-js. Since the id token contains sensible data, should I use the id token to do request agains my API or continue using the access token? Aug 20, 2017 · AWS changed their UI a couple times since some of the answers here were posted (and video tutorials they link to). Oct 15, 2020 · After a user is successfully authenticated, we can request Cognito to provide an ID token and Access Token. the ID token contains sensitive info like phone number, email, etc. And if you're using the OIDC scope, you can get Jan 20, 2020 · Longer answer: while the ID token is the way to go if you want to handle all authorization yourself (i. Using the ID token. There also is the option of adding a Pre-authentication Lambda trigger to change the Id token. The access token can be only used against Amazon Cognito user pools if aws. Amazon API Gateway REST APIs have built-in support for authorization with Amazon Cognito access tokens. Sep 15, 2020 · You should never ever pass the ID-token around to other services. ID tokens contain personal user information (name, family name, email, etc. AssociateSoftwareToken - Amazon Cognito User Pools Aug 2, 2019 · However, it is complicated to have 2 tokens, as you would have to use the id_token to access and the access_token to perform actions related to the user (such as change_password). Today, I’m going to cover the basics of how authentication in Cognito works and explain the life cycle of an identity inside your […] The Authorizer is configured to use a Cognito User Pool. This Lambda function has the code to connect to the DynamoDB database. Your application trusts your user pool as a token issuer, but what if a user intercepts the token in transit? You must ensure that your application is receiving the same token that Amazon Cognito issued. , receive the JWT directly), you can obtain it by using this configuration: In the console, creating a new User Pool, in Step 5 (Integrate your app), check "Use the Cognito Sep 24, 2014 · Amazon Cognito helps you create unique identifiers for your end users that are kept consistent across devices and platforms. In this post, I introduce you to the new access token customization feature for Amazon Cognito user pools and show you how to use […] Jul 1, 2020 · The ID token is used for authentication and the access token is used for the API calls (modifying Google calendar on behalf of the user, also called "delegated authorization"). admin scope is requested. , an API or anything else which is protected from unauthorized access. So it's a it's a JSON object. The access token is mean to give you access to the APIs that the token is intended for. g. This project from the official awslabs uses the cognitoId as primary key in the database tables to link data to a user object, but the documentation about sub clearly states: sub: the UUID of the authenticated user. To use only the access_token you need to define the custom scope in the authorization statement of your lambda function. The ID token contains claims about their identity, like their username, family name, and email address. He is using the Api Method GetOpenId token to generate a JWT token for an unauthenticated user and Mar 29, 2019 · My problem was that I was using the access_token, but I had to use the identity_token! The other problem is that none of the OAuth2 tools available ( like Auth modules of Postman and Insomnia ) return or use the identity_token, they don't even show the token! and although it is in the OAuth2 specs, nobody's using it ( except Cognito! Jun 19, 2024 · When users successfully authenticate you receive OIDC-compliant JSON web tokens (JWT). Cognito uses both cognitoId and sub to identify a user. Aug 3, 2019 · event. Aug 5, 2024 · Cognito issues three types of tokens: ID token – Contains user identity claims like name, email, and phone number. AWS Cognito supports Lambda triggers that execute code before or after certain events. signin. But, the objects are encoded using base64 format. Jan 11, 2024 · With Amazon Cognito, you can implement customer identity and access management (CIAM) into your web and mobile applications. Im setting up Cognito and Im hoping someone can tell me when should you use the Access token vs the Id Token? The id has info about the user and the access has stuff like user groups and scopes (from the aws page). But if you need ID token (compliant with OIDC standard claims), then it is only issued by cognito upon specific cognito events. AWS's documentation which says you ask for id_token when you need to have user attributes like name / email etc and ask for an access_token when you don't need that information and just want to authenticate is wrong, or at the very least When your app makes a request that matches the cache key, your API responds with an access token that Amazon Cognito issued to the first request that matched the cache key. The boto3 docs describe the SecretHash as the following: "A keyed-hash message authentication code (HMAC) calculated using the secret key of a user pool client and username plus the client ID in the message. May 18, 2018 · You can use an access token with the same authorizer that works for the id token, but there is some additional setup to be done in the User Pool and the APIG. AWS Security Token Service (AWS STS) responds to the AssumeRoleWithWebIdentity request from the identity pool. The header for the access token has the same structure as the ID token. When you create a new user pool client using the AWS Management Console, the AWS CLI, or the AWS API, token revocation is enabled by default. The phone , email , and profile scopes can only be requested if openid scope is also requested. To create a custom attribute for an ID token, enter the following values: Name: id_token Type: String Max: 2,048 Mutable: Select this check box; Choose Save. , convert the User Pool credentials you have right now to AWS IAM credentials. Oct 28, 2021 · What Is an Access Token? Now that you know what an ID token is, let’s try to understand what an access token is. For further detail on AWS cognito you can follow this link. $ aws --region us-east-1 cognito-idp revoke-token --client-id your-client-id --token eyJra. ID tokens do not contain scopes and do not have the correct lifetime and renewal behavior. onSuccess: function (result) { var accesstoken = result. These tokens are the end result of authentication with a user pool. This token is exchanble for AWS credentials by calling either STS or GetCredentialsForIdentity API in Cognito Federated identity service. Access token – Includes user claims, groups, and authorized scopes. For more information, see Using Tokens with User Pools and Resource Server and Custom Scopes. The claims that are in the token (and are signed by the identity server) may not be sufficient for your needs. AWS have now made it possible to enrich the access token with custom claims using a pre token generation lambda. 0. Note: You don't receive an output. Test using the same refresh token for getting a fresh access token and ID: $ aws --region us-east-1 cognito-idp admin-initiate-auth --user-pool-id us-east-1_123456789 --client-id your-client-id --auth-parameters I was able to get the provider-id value but I'm having trouble getting a valid value for the web-identity-token. The access token contains claims like scope that the authenticated user can use to access third-party APIs, Amazon Cognito user self-service API operations, and the UserInfo endpoint. You can add user authentication and access control to your applications in minutes. The IdP handles all the details of letting the user sign in, and the app gets an OAuth access token or OIDC ID token from the provider. Below is an example payload of an access token vended by I'd recommend doing token exchange via an API of your own since it will be cleaner from a security viewpoint, without exposing AWS resources such as DynamoDB directly to the internet. In case you understand the security implications and decide you can do without an Authorization Code (i. But in what scenario would you pick one over the other? Nov 19, 2018 · In my react project I am using AWS Cognito user pool for user management, for user authentication, I am using AWS Cognito idToken. You can define rules to choose the role for each user based on claims in the user's ID token. After successful oauth2 authentication, AWS Cognito returns both an access_token and an id_token to the client in the code authorization grant flow. 0 scopes. jwtToken } But how can I retrieve the refresh token? And how can I get a new token using this refresh Mar 2, 2018 · Use the following command to generate the auth tokens, fill in the xxxx appropriately based on your cognito configuration, aws cognito-idp initiate-auth --auth-flow USER_PASSWORD_AUTH --client-id xxxx --auth-parameters [email protected],PASSWORD=xxxx Im building a serverless backend using AWS Cognito for user administration. I can use the Id Token to do my validations and this is all fine. But the access token stays unchanged. Mar 10, 2017 · Open your AWS Cognito console. You use an Amazon Cognito user pool for authentication and an Amazon Cognito Oct 31, 2022 · Using access tokens in APIs is the standard. If I understand correctly this should get me the web-identity-token: aws cognito-idp initiate-auth --auth-flow USER_PASSWORD_AUTH --client-id clientidvalue --auth-parameters USERNAME=usernamevalue,PASSWORD=passwordvalue An Amazon Cognito access token can authorize access to APIs that support OAuth 2. Adele's app can trade this authentication information for a set of temporary security credentials that consist of an AWS access key ID, a secret access key, and a session token. When clients authenticate to your application with a user pool, Amazon Cognito sends an ID token. Apr 9, 2018 · After much investigation, I found the answer. Jul 1, 2020 · After a user logons to cognito, he receives access and ID tokens. And that access token can be used to secure access to some AWS services. accessKey is the IAM user access key and not the accessToken generated by AWS Cognito when user sign in. Jan 31, 2018 · The purpose of the access token is to authorize API operations in the context of the user in the user pool. Go to App integration. For more information, see Scopes, M2M Feb 14, 2018 · I'm trying to figure out how to access the accessToken, refreshToken, and idToken that I receive back from aws-amplify using the Auth library. Scroll down to App clients and click edit. Amazon Cognito signs access tokens with a different key from the key that signs ID tokens. For example, the default scope, openid returns an ID token but the aws. e. . If the minimum for the access token and ID token is set to 5 minutes, and you are using the SDK, the refresh token will be continually used to retrieve new access and ID tokens. Consider adding the access token in Authorization header when making the request. How do the tokens look like? The ID token and Access token are both JSON objects. (Id token vs access token) Now strange as it sounds. Nov 19, 2020 · Problem: Every time when I log in, the id token which is obtained by Auth. the Cognito user) is authorized to perform an action against a resource. Cannot be greater than refresh token expiration. When making requests to backend services you're supposed to use the access token. The access token is used to authorize API calls based on the custom scopes of specified access-protected resources. meeybxkazsjslqubfyhiahznnnggeoacgpugewfwjzjyzxjqagv
