Tag Archives: aad

Using multiple APIs in Angular and ASP.NET Core with Azure AD authentication

This article shows how an Angular application could be used to access many APIs in a secure way. An API is created specifically for the Angular UI and the further APIs can only be access from the trusted backend which is under our control. Code: https://github.com/damienbod/AzureADAuthRazorUiServiceApiCertificate Posts in this series Implement Azure AD Client credentials […]

Implement a Web APP and an ASP.NET Core Secure API using Azure AD which delegates to a second API

This article shows how an ASP.NET Core Web application can authenticate and access a downstream API using user access tokens and delegate to another API in Azure AD also using user access tokens. Microsoft.Identity.Web is used in all three applications to acquire the tokens for the Web API and the access tokens for the two […]

Securing Azure Functions using Azure AD JWT Bearer token authentication for user access tokens

This post shows how to implement OAuth security for an Azure Function using user-access JWT Bearer tokens created using Azure AD and App registrations. A client web application implemented in ASP.NET Core is used to authenticate and the access token created for the identity is used to access the API implemented using Azure Functions. Microsoft.Identity.Web […]

Restricting access to an Azure AD protected API using Azure AD Groups

This post shows how to restrict access to an ASP.NET Core API to only allow users from a defined Azure AD group to use a protected API. The API uses an Azure App registration for authorization. The user signs in with an ASP.NET Core Razor page application or an Angular App and can access the […]

Angular SPA with an ASP.NET Core API using Azure AD Auth and user access tokens

This post shows how to authenticate an Angular SPA application using Azure AD and consume secure data from an ASP.NET Core API which is protected by Azure AD. Azure AD App registrations are used to configure and setup the authentication and authorization. The Angular application uses the OpenID Connect Code flow with PKCE and the […]

Using Azure Key Vault from a non-Azure App

In this article, I show how Azure Key Vault can be used with a non Azure application. An example of this, is a console application used for data migrations, or data seeding during release pipelines. This app could then read the secret connection strings from the Key Vault, and then do the app logic as […]

Implementing a multi-tenant OIDC Azure AD external login for IdentityServer4

This article shows how to setup a multi-tenant Azure AD external login for IdentityServer4 which uses ASP.NET Core Identity. Code: IdentityServer4 app with Identity Setting up the Azure AD Application registration for multiple tenants An Azure AD Application registration needs to be setup for the Active Directory tenant. Login to the Azure portal and switch […]