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Blazor Hosted WASM App with Duende IdentityServer Integration

About

This repository houses a Blazor Hosted WASM application integrated with Duende IdentityServer, which serves as the authentication authority using OAuth and OIDC protocols. It features:

  • Two Example APIs: These APIs serve data to the Blazor app, utilizing IdentityServer for token signing to authorize requests.
  • IdentityServer: Serves as the central authority for authentication and authorization, managing:
    1. Identity Resources: User identity information for authentication.
    2. API Scopes: Scope-based access control for APIs.
    3. API Resources: Metadata for APIs using IdentityServer for token signing.

The Blazor app comprises three projects:

  • Client App: Manages UI components.
  • Server App: Handles authentication, data fetching, and secure token storage.
  • Shared App: Contains common code utilized across the client and server apps.

The application employs the Backend-for-Frontend (BFF) pattern, enhancing the security of authentication and authorization processes.

image

Getting Started

Prerequisites

  • Docker (for Mac users)
  • HTTPS setup for the server application

Project Structure

The solution BlazorIDSPOC contains the following projects:

  • The Blazor hosted app (client, server and shared)
  • IdentityServer app
  • 2 example APIs
  • An Aspire App Host project
  • An Aspire service defaults

F5 experience

This app used the .NET 8 aspire App Host.

To run all projects locally just run the AppHost aspire project which will automatically run all the projects for you.

Note: just make sure docker is running for the SQL edge server.

Authentication and Authorization

Ensure you are signed into the IdentityServer to access data routes in the Blazor App. Data fetching operates using tokens obtained from IdentityServer.