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To use the project, Coginto user need a Cognito group (for example admin, user). Chatbot design was replaced to use CloudScape design pattern. ### New Features - Support Amazon Nova LLMs Integration. - Add bedrock guardrails to all models in the langchain interface. - Add document support to chatbot sessions. - Add custom system prompts for non-bedrock models. - Add happy path selenium tests. - Update chatbot to use latest cloudscape components. - Create configurable applications with frontend implementation. ### Fixes & Improvements - Bug fixes: - Fixed video understanding input. - Fixed integration tests following appsec findings. - Fixed input validation & presign URL role verification. - Fixed federation + application update. - Fixed RSS Feed, Application validation, RDS permissions. - Fixed semantic search validation. - Fixed import and unit test snapshots. - Security improvements: - Disabled Appsync introspection. - Updated security documentation. - Access control improvements: - Added access control to APIs. - Added unauthorized unit tests. - Implemented sendQuery access control. - Added role API. - Hide application attributes for non-admin users.
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| # Access Control | ||
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| **NOTE** | ||
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| You need to assign the admin role to a user to be able to use the project after the first deployment revision with this feature. Users without a role will not be able to use the Chatbot. | ||
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| Users can have one or more roles defining their permissions. It can be used to restrict access to the functionalities as defined below. | ||
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| Rubicon has 3 pre-defined roles. They are created during deployment by CDK code. | ||
| 1. admin - _full access_ | ||
| 2. workspace_manager - _full access except the admin pages such as managing applications_ | ||
| 3. user - _access to assigned applications_ | ||
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| Instead of using pre-defined `user` role you can create new roles in Cognito and assign them to applications. | ||
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| ## Create users and Roles | ||
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| Users are created in Cognito user pool - [Create new users](https://docs.aws.amazon.com/cognito/latest/developerguide/how-to-create-user-accounts.html). If Cognito federation is used then users should be created in third-party identity provider. See [Cognito Federation](./cognito/overview.md) configuration examples. | ||
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| User roles are defined using [Cognito user group](https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-pools-user-groups.html). When using federation with Cognito, the user's role is assigned on user log in reading the "custom:chatbot_role" user attribute. | ||
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| ## Page Access by Role | ||
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| * **admin** | ||
| * ✅ Home (documentation) | ||
| * ✅ Chatbot - Playground | ||
| * ✅ Chatbot - Multi-chat playground | ||
| * ✅ Chatbot - Sessions | ||
| * ✅ Chatbot - Models | ||
| * ✅ RAG - Dashboard | ||
| * ✅ RAG - Semantic search | ||
| * ✅ RAG - Workspaces | ||
| * ✅ RAG - Embeddings | ||
| * ✅ RAG - Engines | ||
| * ✅ Admin - Applications | ||
| * ✅ Applications - End user view | ||
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| * **workspaces_manager** | ||
| * ✅ Home (documentation) | ||
| * ✅ Chatbot - Playground | ||
| * ✅ Chatbot - Multi-chat playground | ||
| * ✅ Chatbot - Sessions | ||
| * ✅ Chatbot - Models | ||
| * ✅ RAG - Dashboard | ||
| * ✅ RAG - Semantic search | ||
| * ✅ RAG - Workspaces | ||
| * ✅ RAG - Embeddings | ||
| * ✅ RAG - Engines | ||
| * ⛔️ Admin - Applications | ||
| * ✅ Applications - End user view | ||
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| * **user**: | ||
| It could be a role with any name which is associated with an application. | ||
| * ⛔️ Home (documentation) | ||
| * ⛔️ Chatbot - Playground | ||
| * ⛔️ Chatbot - Multi-chat playground | ||
| * ⛔️ Chatbot - Sessions | ||
| * ⛔️ Chatbot - Models | ||
| * ⛔️ RAG - Dashboard | ||
| * ⛔️ RAG - Semantic search | ||
| * ⛔️ RAG - Workspaces | ||
| * ⛔️ RAG - Embeddings | ||
| * ⛔️ RAG - Engines | ||
| * ⛔️ Admin - Applications | ||
| * ✅ Applications - End user view | ||
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| ## GraphQL operations access by Role | ||
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| * **Workspace** | ||
| * createKendraWorkspace - _admin, workspace_manager_ | ||
| * startKendraDataSync - _admin, workspace_manager_ | ||
| * isKendraDataSynching - _admin, workspace_manager_ | ||
| * createBedrockKBWorkspace - _admin, workspace_manager_ | ||
| * createOpenSearchWorkspace - _admin, workspace_manager_ | ||
| * createAuroraWorkspace - _admin, workspace_manager_ | ||
| * performSemanticSearch - _admin, workspace_manager_ | ||
| * listWorkspaces - _admin, workspace_manager_ | ||
| * listKendraIndexes - _admin, workspace_manager_ | ||
| * listBedrockKnowledgeBases - _admin, workspace_manager_ | ||
| * listRagEngines - _admin, workspace_manager_ | ||
| * getWorkspace - _admin, workspace_manager_ | ||
| * deleteWorkspace - _admin, workspace_manager_ | ||
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| * **Document** | ||
| * addWebsite - _admin, workspace_manager_ | ||
| * addRssFeed - _admin, workspace_manager_ | ||
| * updateRssFeed - _admin, workspace_manager_ | ||
| * setDocumentSubscriptionStatus - _admin, workspace_manager_ | ||
| * addQnADocument - _admin, workspace_manager_ | ||
| * addTextDocument - _admin, workspace_manager_ | ||
| * getUploadFileURL - _any authenticated user_ | ||
| * getDocument - _admin, workspace_manager_ | ||
| * getRSSPosts - _admin, workspace_manager_ | ||
| * listDocuments - _admin, workspace_manager_ | ||
| * deleteDocument - _admin, workspace_manager_ | ||
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| * **Session** | ||
| * addUserFeedback - _any authenticated user_ | ||
| * deleteSession - _any authenticated user_ | ||
| * deleteUserSessions - _any authenticated user_ | ||
| * listSessions - _any authenticated user_ | ||
| * getSession - _any authenticated user_ | ||
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| * **Model** | ||
| * listModels - _admin, workspace_manager_ | ||
| * listEmbeddingModels - _admin, workspace_manager_ | ||
| * listCrossEncoders - _admin, workspace_manager_ | ||
| * rankPassages - _admin, workspace_manager_ | ||
| * calculateEmbeddings - _admin, workspace_manager_ | ||
| * sendQuery - _any authenticated user_ | ||
| * receiveMessages - _any authenticated user_ | ||
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| * **Application** | ||
| * createApplication - _admin_ | ||
| * updateApplication - _admin_ | ||
| * deleteApplication - _admin_ | ||
| * getApplication - _admin, workspace_manager, any other role that is assigned to the application_ | ||
| * listApplications - _admin, workspace_manager, any other role that is assigned to the application_ | ||
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| * **Role** | ||
| * listRoles - _admin_ | ||
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| * **Internal** | ||
| * publishResponse - _IAM Can only be called by the Lambda forwarding the chatbot responses_ | ||
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| * **Other** | ||
| * checkHealth - _any authenticated user_ |
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| # Applications | ||
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| An application is a pre-configured chatbot which could be embedded to a website. Admin users can define applications by selecting a model, model settings, workspace, and system prompts. Configured applications are then available for regular users based on their assigned role, allowing controlled access to pre-configured chat experiences. | ||
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| Roles determine which applications a user can access - for example, a "customer support" role may only be able to use applications tailored for handling support inquiries from users. Admin and workspace_manager roles are created during deployment. Additional roles can be created by creating [Cognito groups](https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-pools-user-groups.html). Applications can then be assigned to one or more roles restricting what model and workspace an end user can use. | ||
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| ## Application creation and usage | ||
|  | ||
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| ## Iframe integration | ||
| 1. Deploy Rubicon. | ||
| 2. Copy `GenAIChatBotStack.UserInterfaceUserInterfaceDomainName` value from the deployment output. It has `dxxxxxxxxxxxxx.cloudfront.net` format. | ||
| 3. Open UI dxxxxxxxxxxxxx.cloudfront.net. | ||
| 4. Create an application and open it (the URL will be used in the next step). | ||
| 5. Create an Iframe with the application URL as a source. | ||
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| ```html | ||
| <!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <title>Chat Embed Test</title> | ||
| </head> | ||
| <body> | ||
| <iframe | ||
| src="https://dxxxxxxxxxxxxx.cloudfront.net/application/408a4758-018b-4147-ac76-ee9c169ba775" | ||
| width="400" | ||
| height="480" | ||
| allow="microphone" | ||
| style="border: 1px solid #ccc;" | ||
| ></iframe> | ||
| </body> | ||
| </html> | ||
| ``` | ||
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| ### Example | ||
|  |
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| # Using AppSync | ||
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| Define or change the schema in `./lib/chatbot-api/schema`. | ||
| The project relies on [AWS AppSync](https://docs.aws.amazon.com/appsync/latest/devguide/what-is-appsync.html) which creates serverless GraphQL and Pub/Sub APIs that simplify application development through a single endpoint to securely query, update, or publish data. One of the key advantages is [GraphQL subscriptions](https://docs.aws.amazon.com/appsync/latest/devguide/aws-appsync-real-time-data.html) which is used to receive the chatbot responses in real time using streaming. | ||
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| At the moment we only use the `schema-ws.graphql` to define the real-time API. The REST API might be replaced by AppSync in the future. | ||
| ### Schema | ||
| The GraphQL Schema defining the possible operatiosn can be found in `lib/chatbot-api/schema/schema.graphql`. Once deployed, AWS AppSync provides a Querying tool on the [AWS Console](https://us-east-1.console.aws.amazon.com/appsync/home?region=us-east-1) which can be used to explore and test the APIs. | ||
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| If you modified the definition for the schema, you can regenerate the client code using | ||
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| ```bash | ||
| cd lib/user-interface/react-app | ||
| npx @npx @aws-amplify/cli codegen add --apiId <api_id> --region <region> | ||
| ``` | ||
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| Accept all the defaults. | ||
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| If you use a None data source, you need to modify `src/API.ts` adding: | ||
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| ```ts | ||
| export type NoneQueryVariables = { | ||
| none?: string | null; | ||
| }; | ||
| ``` | ||
| ### Authentication | ||
| AWS AppSync supports built in authentication modes. This project relies on the [@aws_cognito_user_pools one](https://docs.aws.amazon.com/appsync/latest/devguide/security-authz.html#using-additional-authorization-modes) to authenticate Amazon Cognito users. |
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