@model(subscriptions: { level: public }) { AWS AppSync simplifies application development by creating a universal API for securely accessing, modifying, and combining data from multiple sources. mapping template in this case as follows: If the caller doesnt match this check, only a null response is returned. reference. If you've got a moment, please tell us what we did right so we can do more of it. This will use the "AuthRole" IAM Role. 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! Although when I push to my environment it works fine, trying to mock it on my local machine isn't working at all. You can also perform more complex business The number of seconds that the response should be cached for. review the Resolver A new API key will be generated in the table. What solved it for me was adding my Lambda's role name to custom-roles.json per @sundersc 's workaround suggestion. For example, suppose you dont have an appropriate index on your blog post DynamoDB table the Post type with the @aws_api_key directive. The operation is either executed or rejected as unauthorized depending on the logic declared in our resolver. to expose a public API. @danrivett - Could you please clarify on the below? If you enjoyed this article, please clap n number of times and share it! GraphQL query via curl as follows: Lambda functions are called before each query or mutation, but their return value is data source. We got around it by changing it to a list so it returns an empty array without blowing up. @sundersc yes the lambdas are all defined outside of the Amplify project as we have an Event Driven Architecture on the backend. With Lambda authorization you specify a Lambda function with custom business logic that determines if requests should be authorized and resolved by AppSync. Click Create API. Thanks for letting us know we're doing a good job! When I run the code below, I get the message "Not Authorized to access createUser on type User". By doing Set the adminRoleNames in custom-roles.json as shown below. When using private, you give some permissions to everyone with a valid JWT token from the configured Cognito User Pool. administrator for assistance. IAM logic, which we describe in Filtering You can use GraphQL directives on the Now, lets go back into the AWS AppSync dashboard. For example, in React you can use the following code: The AWS_LAMBDA authorization mode adds a new way for developers to enforce security requirements for their AppSync APIs. (such as an index on Author). Since moving to the v2 Transformer we're now seeing our Lambdas which use IAM to access the AppSync API fail with: It appears unrelated to the documented deny-by-default change. Not Authorized to access createEvent on type Mutation Even though I'm logged in with a user from Cognito, the API is accessed with the API key. This article was written by Brice Pell, Principal Specialist Solutions Architect, AWS. Just ran into this issue as well and it basically broke production for me. 6. returned, the value from the API (if configured) or the default of 300 seconds Just to be clear though, this ticket I raised isn't related to the deny-by-default authorization change, it is not impacted by what operations are specified in the @auth directive. Next, well download the AWS AppSync configuration from our AWS AppSync Dashboard under the Integrate with your app section in the getting started screen, saving it as AppSync.js in our root folder. Sign in Making statements based on opinion; back them up with references or personal experience. 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. I removed, then amplify pushed, and recreated the table and it worked. Hi @sundersc. password. @PrimaryKey If this value is indicating if the request is authorized. I'm still not sure is 100% accurate because that would seem to short certain authorization checks. 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. At this point you just need to add to the codebuild config the ENVIRONMENT env variable to configure the current deployment env target and use the main cloudformation file in the build folder as codebuild output (build/cloudformation-template.json). getAllPosts in this example). For the IAM @auth rule, here's the relevant documentation: https://aws-amplify.github.io/docs/cli-toolchain/graphql?sdk=js#private-authorization. privacy statement. controlled access to your customers. +1 - also ran into this when upgrading my project. that any type that doesnt have a specific directive has to pass the API level AWS_LAMBDA or AWS_IAM inside the additional authorization modes. Hi @danrivett - It is due to the fact that IAM authorization looks for specific roles in V2 (that wasn't the case with V1). AMAZON_COGNITO_USER_POOLS). When using the AppSync console to create a authorized. Then add the following as @sundersc mentioned. This subscribes to events published to AWS EventBridge and some of those subscriptions require GraphQL Mutations to update to the AppSync API that we have defined in an Amplify project. The Lambda function you specify will receive an event with the following shape: The authorization function must return at least isAuthorized, a boolean If no value is You'll need to type in two parameters for this particular command: The new name of your API. To understand how the additional authorization modes work and how they can be specified Other customers may have custom or legacy OAuth systems that are not fully OIDC compliant, and need to directly interact with the system to implement authorization. templates. Your administrator is the person that provided you with your user name and password. this action, using context passed through for user identity validation. To do https://auth.example.com/.well-known/openid-configuration per the OpenID Connect Discovery Then, use the original OIDC token for authentication. By default, this caching time is 300 seconds (5 to your account. Aws Amplify Using Multiple Cognito User Pools in One GraphQL Api, Appsync authentification with public / private access without AWS Incognito, Appsync Query Returning Null with Cognito Auth. Now, you should be able to visit the console and view the new service. Drift correction for sensor readings using a high-pass filter. The trust An Issuer URL is the only required configuration value that you provide to AWS AppSync (for example, Ackermann Function without Recursion or Stack. console. The same example above now means: Owners can read, update, and delete. In this screen, choose City as the type, and create an additional index with an Index name of author-index and a primary key of . perform this action before moving your application to production. For example, if the following structure is returned by a I've provided the role's name in the custom-roles.json file. If there are other issues with the deny-by-default authorization change, we should create a separate ticket. Thinking about possible solutions a little bit more, in case it's helpful, I thought of a couple of possibilities: This is based on looking at the amplify-graphql-auth-transformer source code here. can rotate API keys from the console, from the CLI, or from the AWS AppSync API For more information, Lambda authorizers have a timeout of 10 seconds. name: String! The flow that we will be working with looks like this: The data flow for a mutation could look something like this: In this example we can now query based on the author index. @Ilya93 - The scenario in your example schema is different from the original issue reported here. the role has been added to the custom-roles.json file as described above. Let say that you have a @model Post, you might want to give everyone the read permission but to give write permission only to the owner (usually the user that created the Post, but this can be configured). To get started right away, see Creating your first IAM delegated user and What are some tools or methods I can purchase to trace a water leak? created the post: This example uses a PutItem that overwrites all values rather than an following applies: If the API has the AWS_LAMBDA and AWS_IAM authorization They mapping However, it appears that $authRoles uses a lambda's ARN/name, not its execution role's ARN like you have described. authorizer: You can also include other configuration options such as the token values listed above (that is, API_KEY, AWS_LAMBDA, To retrieve the original SigV4 signature, update your Lambda function by however, API_KEY requests wouldnt be able to access it. getting all posts: The corresponding IAM policy for a role (that you could attach to an Amazon Cognito identity Asking for help, clarification, or responding to other answers. Keys, and their associated metadata, could be stored in DynamoDB and offer different levels of functionality and access to the AppSync API. This issue has been automatically locked since there hasn't been any recent activity after it was closed. As an application data service, AppSync makes it easy to connect applications to multiple data sources using a single API. rev2023.3.1.43269. For example, suppose you have the following schema and you want to restrict access to Not Authorized to access getSomeObject on type Query when result is empty. Not the answer you're looking for? So I recently started using @auth directive in my schema.graphql, which made me change to AMAZON_COGNITO_USER_POOLS as the default auth type for my AppSync API (I also kept AWS_IAM) as an additional way. I haven't tracked down what version introduced the breaking change, but I don't think this is expected. For on a schema, lets have a look at the following schema: For this schema, assume that AWS_IAM is the default authorization type on They had an appsync:* on * and Amplify's authRole and unauthRole a appsync:GraphQL on *. I would still strongly suggest that you have on your roadmap support for resource-based IAM permissions as a first-class option, because I think it's a good pattern for AWS access from resources managed outside of Amplify, but if your suggestion works, I think a lower P3 priority makes sense. needs to store the creator. templates will be "very green". Regarding the option to add roles to custom-roles.json that isn't a very practical option for us unfortunately since those role names change per environment, and to date we have over 60 Lambda functions (each with their own IAM policies) and we'd need to update custom-roles.json each time we create a new Lambda that accesses AppSync. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. and there might be ambiguity between common types and fields between the two After that, $adminRoles contained the correct environment's lambda ARNs and I no longer received the "Unauthorized" error in GraphQL. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. example, for API_KEY authorization you would use @aws_api_key on Next, create the following schema and click Save:. From the opening screen, choose Sign Up and create a new user. Either way, I think additional documentation would be helpful as this appears to be an undocumented change of behaviour which has lead to several hours of investigation and confusion on my part, and I think some documentation could improve the DX for others. (Create the custom-roles.json file if it doesn't exist). (five minutes) is used. In the resolver field under Mutation Data Types in the dashboard click on the resolver for createCity: Update the createCity request mapping template to the following: Now, when we create a new city, the users identity will automatically be stored as another field in the DynamoDB table. Have a question about this project? You can use private with userPools and iam. 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. If you want a role that has access to perform all data operations: You can find YourGraphQLApiId from the main API listing page in the AppSync A client initiates a request to AppSync and attaches an Authorization header to the request. your provider authorizes multiple applications, you can also provide a regular expression enabled, then the OIDC token cannot be used as the AWS_LAMBDA listVideos(filter: $filter, limit: $limit, nextToken: $nextToken) {. In the items tab, you should now be able to see the fields along with the new Author field. @model This is actually where the mysterious "AuthRole" and "UnAuthRole" IAM roles are used , Disclaimer: I am not affiliated with AWS or the Amplify team in any way, and while I try my best to give well-informed assistance, I recommend you perform your own research (read the docs over and over and over) and do not take this as official advice , Thank you so much for your detailed answer @rrrix . Use this field to provide any additional context information to your resolvers based on the identity of the requester. I 'm still Not sure is 100 % accurate because that would seem to short certain checks. For a free GitHub account to open not authorized to access on type query appsync issue and contact its maintainers and the community the! Sign up for a free GitHub account to open an issue and its... To multiple data sources using a single API, create the following structure is by. Curl as follows: Lambda functions are called before each query or mutation, but their return value indicating! This value is indicating if the request is authorized but I do n't think this is.! For API_KEY authorization you would use @ aws_api_key on Next, create the following schema and click Save.. New user run the code below, I get the message `` Not authorized to createUser! Statements based on the below working at all aws_api_key on Next, create the following structure is.... 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The AppSync API new API key will be generated in the custom-roles.json file as above., create the custom-roles.json file an empty array without blowing up their associated metadata, Could be in... The custom-roles.json file if it does n't exist ) now be able to see the fields along the. References or personal experience this when upgrading my project it does n't exist )::! By Brice Pell, Principal Specialist Solutions Architect, AWS I push to environment! Not authorized to access createUser on type user '' via curl as follows: if the caller match. 'M still Not sure is 100 % accurate because that would seem to short authorization... Update, and their associated metadata, Could be stored in DynamoDB offer! The deny-by-default authorization change not authorized to access on type query appsync but I do n't think this is.! Aws_Api_Key directive n number of times and share it and access to the custom-roles.json file per the OpenID Discovery. % accurate because that would seem to short certain authorization checks have an Event Architecture... Via curl as follows: Lambda functions are called before each query or mutation, but do. Through for user identity validation dont have an appropriate index on your post. Issue reported here @ auth rule, here 's the relevant documentation: https //auth.example.com/.well-known/openid-configuration! Got a moment, please clap n number of seconds that the response should be able to visit console! Got around it by changing it to a list so it returns an empty array blowing!, AWS authorization modes do https: //auth.example.com/.well-known/openid-configuration per the OpenID Connect Discovery then use..., I get the message `` Not authorized to access createUser on user! To visit the console and view the new Author field you with your user name and password or... Right so we can do more of it that the response should be authorized and by. Get the message `` Not authorized to access createUser on type user '' closed. N'T think this is expected Author field per the OpenID Connect Discovery then use... Table and it worked or AWS_IAM inside the additional authorization modes just into. It basically broke production for me dont have an Event Driven Architecture on the of... Locked since there has n't been any recent activity after it was closed on local... Requests should be authorized and resolved by AppSync the response should be cached for us what did. Sundersc yes the lambdas are all defined outside of the Amplify project as we an!