concept applies on the condition statement block. random prefixes and/or suffixes from the Lambda authorization token. So I think this issue comes from me not quite understanding the relationship between AWS cognito user pools and the auth rules in a graphql schema. directives against individual fields in the Post type as shown This privileged user should not be given to anyone who is not authorized to use it and should also not be used for day-to-day operations. To further restrict access to fields in the Post type you can use Your application can leverage this association by using an access key Sign in The text was updated successfully, but these errors were encountered: I would also add that this is currently a blocker for us to continue our migration from the v1 transformer to the v2 transformer, until we find a good solution to the problem above. Then, use the original OIDC token for authentication. usually default to your CLI configuration values. authorization modes. You'll need to type in two parameters for this particular command: The new name of your API. There seem to be several issues related to this matter, and I don't think the migration docs explain the resolver change adequately. What does a search warrant actually look like? In the sample above iam is specified as the provider which allows you to use an Authenticated Role from Cognito Identity Pools for private access. match with either the aud or azp claim in the token. needs to store the creator. templates will be "very green". AWS_LAMBDA or AWS_IAM inside the additional authorization modes. Navigate to amplify/backend/api//custom-roles.json. For example, suppose you have the following GraphQL schema: If you have two groups in Amazon Cognito User Pools - bloggers and readers - and you want to Then add the following as @sundersc mentioned. For example, take the following schema that is utilizing the @model directive: however, API_KEY requests wouldnt be able to access it. In the following example using DynamoDB, suppose youre using the preceding blog post templates. Mary does not have permissions to pass the For example, suppose you dont have an appropriate index on your blog post DynamoDB table Just ran into this issue as well and it basically broke production for me. This also fixed the subscriptions for me. How do I apply a consistent wave pattern along a spiral curve in Geo-Nodes 3.3? When I try to perform a simple list operation with AppSync, Blog succeeds, but Todo returns an error: Not Authorized to access listTodos on type Query I have set my API ( amplify update api) to use Cognito User Pools as the default auth, and to use API key as a secondary auth type. In this case, Mary's policies must be updated to allow her to perform the iam:PassRole action. We will have more details in the coming weeks. as in example? As part of the Serverless IaC definition they are provided IAM access permissions to the AppSync resource deployed by Amplify. AppSync supports multiple authorization modes to cater to different access use cases: These authorization modes can be used simultaneously in a single API, allowing different types of clients to access data. This mutation is handled by a direct Lambda resolver, which uses Cognito's admin API to create the new user and set its tenant ID to the admin user's tenant ID. The trust Thanks again, and I'll update this ticket in a few weeks once we've validated it. The Lambda authorization token should not contain a Bearer scheme prefix. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Developers can now use this new feature to address business-specific authorization requirements that are not fully met by the other authorization modes. This is specific to update mutations. { allow: groups, groups: ["Admin"], operations: [read] } TypeName.FieldName. Jordan's line about intimate parties in The Great Gatsby? We need the resolution urgently for this as our system is already in production environment. Logging AWS AppSync API calls using AWS CloudTrail, AppSync rev2023.3.1.43269. Now that the API has been created, click Settings and update the Authorization type to be Amazon Cognito User Pool. Unless there is a compelling reason not to support the old IAM approach, I would really like the resolver to provide a way of not adding that #if( $util.authType() == "IAM Authorization" ) block and instead leave it up to the IAM permission assigned to the Lambda, but I don't know what negative security implications that could entail. enabled, then the OIDC token cannot be used as the AWS_LAMBDA API. Unable to get updated attributes and their values from cognito with aws-amplify, Using existing aws amplify project in react js. This authorization type enforces the AWSsignature not remove the policy. @sundersc yes the lambdas are all defined outside of the Amplify project as we have an Event Driven Architecture on the backend. @aws_cognito_user_pools - To specify that the field is Note that you can only have a single AWS Lambda function configured to authorize your API. If you already have two, you must delete one key pair before creating a new one. You can also perform more complex business AWS AppSync to call your Lambda function. AMAZON_COGNITO_USER_POOLS and AWS_LAMBDA authorization You can use the deniedFields array to specify which operations the user is not allowed to access. Attach the following policy to the Lambda function being used: If you want the policy of the function to be locked to a single he does not have the At the same time, a backend system powered by an AWS Lambda function can push updates to clients through the same API by assuming an AWS Identity and Access Management (IAM) role to authorize requests. The problem is that the auth mode for the model does not match the configuration. If you manually add a new entry to the database with another author name, or you update an existing field changing the author name to one that is not your own & refresh your app, these cities with the updated fields should not show up in your app as the resolver will return only the fields that you have written! Distance between the point of touching in three touching circles. the @aws_auth directive, using the same arguments. Multiple Authorization methods in a single GraphQL API with AWS AppSync: Security at the Data Definition Level | by Ed Lima | Medium 500 Apologies, but something went wrong on our end.. AWS AppSync is a fully managed service which allows developers to deploy and interact with serverless scalable GraphQL backends on AWS. email: String Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? To retrieve the original OIDC token, update your Lambda function by removing the The preceding information demonstrates how to restrict or grant access to certain and there might be ambiguity between common types and fields between the two By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I'd hate for us to be blocked from migrating by this. My schema.graphql looks like this (with other types and fields, but shouldn't impact our case): I tried a bunch of workarounds but nothing worked. Is lock-free synchronization always superior to synchronization using locks? Identify what's causing the errors by viewing your REST API's execution logs in CloudWatch. ]) Next follow the steps: You can follow similar steps to configure AWS Lambda as an additional authorization mode. If the user isn't supposed to be able to access the data period because of a fixed role permission, this would still result in inconsistent behavior. However I understand that it is not an ideal solution for your setup. authorization modes are enabled. When specifying operations as a part of the @auth rule, the operations not included in the list are not protected by default. In v1's Mutation.updateUser.req.vtl, we only see: However in v2's Mutation.updateUser.auth.1.res.vtl, I'm now seeing a separate block for when IAM is being used: It's this block in particular that is interesting to me: This is doesn't evaluate to true and so isAuthorized isn't set to true and so the error above is returned. Sign in The authorized to make calls to the GraphQL API. If you want to use the SigV4 signature as the Lambda authorization token when the My goal was to give everyone read access and to give write access to Owner+Admin+Backend, this is why i intentionally omitted read in operations. AWS AppSync supports a wide range of signing algorithms. If you lose your secret access key, you must add new access keys to your IAM user. It also means our IaC Serverless definitions can't provide individually tailored IAM policies per lambda, like we currently can. The resolver code is triggered in AppSync and an authorized action or operation is executed accordingly against the data source, in this case an Amazon DynamoDB table. So the above explains why the generated v2 auth Pipeline Resolver is returning unauthorized but I can't find anything to explain why this behaviour has changed from v1, and what the expected change on our end should be for it to work. https://auth.example.com/.well-known/openid-configuration per the OpenID Connect Discovery User executes a GraphQL operation sending over their data as a mutation. I would expect allow: public to permit access with the API key, but it doesn't? First, install the AWS Amplify CLI if you do not already have it installed: Next, configure the cli with your correct credentials: If this is your first time using AWS, check out this video to see how to get these credentials and set up the CLI. 9 comments lenarmazitov commented on Jul 20, 2020 amplify add auth amplify add api with any schema with authenticate user I hope this helps someone else save a bit of time. mapping template will then substitute a value from the credentials (like the username)in a You can create a role that users in other accounts or people outside of your organization can use to access your resources. If you want to set access controls on the data based on certain conditions This is stored in validate for only the first three client ids you would place 1F4G9H|1J6L4B|6GS5MG in the client ID communicationState: AWSJSON Clarity Request: Unexpected "Not Authorized" with IAM and Transformer v2, https://docs.amplify.aws/cli/graphql/authorization-rules/#use-iam-authorization-within-the-appsync-console, https://docs.amplify.aws/cli/migration/transformer-migration/#authorization-rule-changes, Unexpected "Not Authorized" with Lambda Authorizer and Transformer v2, Lambda Function GraphQL Authentication issues, Amplify V2 @auth allow public provider iam returns unauthorized when using Appsync Graphql Queries, Not Authorized to access getUser on type User. values listed above (that is, API_KEY, AWS_LAMBDA, If the AWS Management Console tells you that you're not authorized to perform an action, then you must contact your you can use mapping templates in your resolvers. It doesn't match $ctx.stash.authRole which was arn:aws:sts::XXX:assumed-role/amplify-abelmkr-dan-xxx-authRole/CognitoIdentityCredentials. You can specify authorization modes on individual fields in the schema. template If this value is A client initiates a request to AppSync and attaches an Authorization header to the request. In the sample above iam is specified as the provider which allows you to use an UnAuthenticated Role from Cognito Identity Pools for public access, instead of an API Key. This section describes options for configuring security and data protection for your AWS AppSync. Once youve signed up, sign in, click on Add City, and create a new city: Once you create a city, you should be able to click on the Cities tab to view this new city. "No current user": Isn't it even possible to make unauth calls to AWS AppSync through Amplify with authentication type AMAZON_COGNITO_USER_POOLS? authorized. Images courtesy of Amazon Web Services, Inc, Developer Relations Engineer at Edge & Node working with The Graph Protocol, #set($attribs = $util.dynamodb.toMapValues($ctx.args.input)), https://github.com/dabit3/appsync-react-native-with-user-authorization, appsync-react-native-with-user-authorization, https://console.aws.amazon.com/cognito/users/, https://console.aws.amazon.com/appsync/home. If you enjoyed this article, please clap n number of times and share it! For example, thats the case for the We recommend joining the Amplify Community Discord server *-help channels for those types of questions. example, if your OIDC application has four clients with client IDs such as 0A1S2D, 1F4G9H, 1J6L4B, 6GS5MG, to More information about @owner directive here. following applies: If the API has the AWS_LAMBDA and AWS_IAM authorization Why did the Soviets not shoot down US spy satellites during the Cold War? In this example: others cant read, update, or delete. With the new GraphQL Transformer, given the new deny-by-default paradigm, the owner-based authorizations operation now specifies what owners are allowed to do. I was previously able to query the API with this piece of code: Note that I specify the auth type as AWS_IAM, so I was expecting this to work like before. The @auth directive allows the override of the default provider for a given authorization mode. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. IAM or a short form of I'll keep subscribed to this ticket and if this issue gets prioritized and implemented, I'd be very happy to test it out and continue our v2 transformer migration as we'd love to move over to the new transformer version if so. Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? @przemekblasiak and @DivonC, is your lambda's ARN similar to its execution role's ARN? Similarly, you cant duplicate API_KEY, Find centralized, trusted content and collaborate around the technologies you use most. Your clients attach an Authorization header to AppSync requests that a Lambda function evaluates to enforce authorization according your specific business rules. The AppSync interface allows developers to define the schema of the GraphQL API and attach resolver functions to each defined request type. // The following resolves an error thrown by the underlying Apollo client: // Invariant Violation: fetch is not found globally and no fetcher passed, // eslint-disable-next-line @typescript-eslint/no-explicit-any, 'No AWS.config.credentials is available; this is required. However, the action requires the service to have permissions that are granted by a service role. The preferred method of authorization relies on IAM with tokens provided by Cognito User Pools or other OpenID Connect providers. can add additional authorization modes through the console, the CLI, and AWS CloudFormation. AppSync is a managed service that uses GraphQL so that applications can easily get only the data they need. AWS AppSync requires the JWKS to For example, an AppSync endpoint can be accessed by a frontend application where users sign in with Amazon Cognito User Pools by attaching a valid JWT access token to the GraphQL request for authorization. If you're using amplify Authorization module you're probably relaying in aws_cognito_user_pools . Error: GraphQL error: Not Authorized to access listVideos on type Query. This issue is that the v2 Transformer now adds additional role-based checks unrelated to the operations listed when IAM is used as the authentication mechanism. An output will be returned in the CLI. When and how was it discovered that Jupiter and Saturn are made out of gas? Use this field to provide any additional context information to your resolvers based on the identity of the requester. The text was updated successfully, but these errors were encountered: We were able to reproduce this using amplify-cli@4.24.3, with queries from both react native and plain HTTP requests. https://docs.amplify.aws/cli/migration/transformer-migration/#authorization-rule-changes, Prior to this migration, when customers used owner-based authorization @auth(rules: [{allow: owner, operations: [read, update, delete]}]), the operations fields were used to deny others access to the listed operations. author: String} type Query {fetchCity(id: ID): City}Note that author is the only field not required.. Provisioning Resources. We thought about adding a new option similar to what you have mentioned above but we realized that there is an opportunity to refine the public and private behavior for IAM provider. Would the reflected sun's radiation melt ice in LEO? update. Choose the AWS Region and Lambda ARN to authorize API calls api, What AWS Services are you utilizing? If you're using amplify Authorization module you're probably relaying in aws_cognito_user_pools. Second, your editPost mutation needs to perform Though well be doing this in the context of a React application, the techniques we are going over will work with most JavaScript frameworks including Vue, React, React Native, Ionic, & Angular. Reverting to 4.24.1 and pushing fixed the issue. (which consists of an access key ID and secret access key) or by using short-lived, temporary credentials If you've got a moment, please tell us how we can make the documentation better. wishList: [String] Like a user name and password, you must use both the access key ID and secret access key authorization token. The appropriate principal policy will be added automatically, allowing act on the minimal set of resources necessary. The text was updated successfully, but these errors were encountered: Hi @ChristopheBougere, try this @auth rule addition on your types: If you want to also use an API Key along with IAM and Cognito, use this: Notice I added new rules, and modified your original owner and groups rules. (Create the custom-roles.json file if it doesn't exist). You can use multiple Amazon Cognito User Pools and OpenID Connect providers. The key change I've observed is that in v1's Mutation.updateUser.req.vtl , we only see checks when the authentication mechanism used is Cognito User Pools. Tokens issued by the provider must include the time at which This will use the "UnAuthRole" IAM Role. Authorization metadata is usually an attribute (column) in a DynamoDB table, such as an owner or list of users/groups. Have a question about this project? this, you might give someone permanent access to your account. The correct way to solve this would be to update the default authorization mode in Amplify Studio (more details in my alternative answer) I also agree that aws documentation is really unclear, 'Unauthorized' error when using AWS amplify with grahql to create a new user, The open-source game engine youve been waiting for: Godot (Ep. expression. Please let me know if it fixes the problem for you or not. My Name is Nader Dabit . Hi, i'm waiting for updates, this problem makes me crazy. the conditional check before updating. AppSync receives the Lambda authorization response and allows or denies access based on the isAuthorized field value. Then add the following as @sundersc mentioned. use a Lambda function for either your primary or secondary authorizer, but there may only be Unauthenticated APIs require more strict throttling than authenticated APIs. We are looking at the options to disable IAM role validation and fallback to V1 behavior (if required), that would require an API review on our end. scheme prefix. Each item is either a fully qualified field ARN in the form of @aws_auth Cognito 1 (Default authorization mode) @aws_api_key @aws_api_key querytype Default authorization mode @aws_cognito_user_pools Cognito 1 @ aws _auth By default, this caching time is 300 seconds (5 However when using a The default V2 IAM authorization rule tries to keep the api as restrictive as possible. modes are enabled for AWS AppSync's API, do the following: To create a new Lambda authorization token, add random suffixes and/or prefixes There are five ways you can authorize applications to interact with your AWS AppSync wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY). @auth( Marking this as feature request. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. regular expression. If you've got a moment, please tell us how we can make the documentation better. For shipping: [Shipping] To start using AWS AppSync in your JavaScript or Flow application, first add your GraphQL schema to your project. additional authorization modes, AWS AppSync provides an authorization type that takes the 3. Asking for help, clarification, or responding to other answers. either by marking each field in the Post type with a directive, or by marking Information. Making statements based on opinion; back them up with references or personal experience. AWS AppSync communicates with data sources using Identity and Access Management (IAM) roles and access policies. As an application data service, AppSync makes it easy to connect applications to multiple data sources using a single API. In the User Pool configuration, choose the user pool that was created when we created our AWS Amplify project using the CLI along with your region, and set the default action to Allow. Fixed by #3223 jonmifsud on Dec 22, 2019 Create a schema which has @auth directives including IAM and nested types Create a lambda function to query and/or mutate the model @przemekblasiak and @DivonC, is your lambda's ARN similar to its execution role's ARN? The Lambda function you specify will receive an event with the following shape: The authorization function must return at least isAuthorized, a boolean access AWS AppSync, I want to allow people outside of my AWS Other relevant code would be my index.js: And the schema definition for the User object: Ultimately, I'm trying to make something similar to this example. If you lose your secret key, you must create a new access key pair. GraphQL fields. A Lambda function must not return more than 5MB of contextual data for Lambda functions used for authorization require a principal policy for