Category OAuth2

Using an EF Core database for the IdentityServer4 configuration data

This article shows how to implement a database store for the IdentityServer4 configurations for the Client, ApiResource and IdentityResource settings using Entity Framework Core and SQLite. This could be used, if you need to create clients, or resources dynamically for the STS, or if you need to deploy the STS to multiple instances, for example […]

Sending Direct Messages using SignalR with ASP.NET Core and Angular

This article shows how SignalR could be used to send direct messages between different clients using ASP.NET Core to host the SignalR Hub and Angular to implement the clients. Code: https://github.com/damienbod/AspNetCoreAngularSignalRSecurity Posts in this series Getting started with SignalR using ASP.NET Core and Angular SignalR Group messages with ngrx and Angular Using EF Core and […]

IdentityServer4 Localization using ui_locales and the query string

This post is part 2 from the previous post IdentityServer4 Localization with the OIDC Implicit Flow where the localization was implemented using a shared cookie between the applications. This has its restrictions, due to the cookie domain constraints and this post shows how the oidc optional parameter ui_locales can be used instead, to pass the […]

Securing an Angular SignalR client using JWT tokens with ASP.NET Core and Duende IdentityServer

This post shows how an Angular SignalR client can send secure messages using JWT bearer tokens with an API and an STS server. The STS server is implemented using Duende IdentityServer and the API is implemented using ASP.NET Core. Code: https://github.com/damienbod/AspNetCoreAngularSignalRSecurity Posts in this series Getting started with SignalR using ASP.NET Core and Angular SignalR […]

Auto redirect to an STS server in an Angular app using oidc Implicit Flow

This article shows how to implement an auto redirect in an Angular application, if using the OIDC Implicit Flow with an STS server. When a user opens the application, it is sometimes required that the user is automatically redirected to the login page on the STS server. This can be tricky to implement, as you […]

SignalR Group messages with ngrx and Angular

This article shows how SignalR can be used to send grouped messages to an Angular SignalR client, which uses ngrx to handle the SignalR events in the Angular client. Code: https://github.com/damienbod/AspNetCoreAngularSignalRSecurity Posts in this series Getting started with SignalR using ASP.NET Core and Angular SignalR Group messages with ngrx and Angular Using EF Core and […]

Implementing Two-factor authentication with IdentityServer4 and Twilio

This article shows how to implement two factor authentication using Twilio and IdentityServer4 using Identity. On the Microsoft’s Two-factor authentication with SMS documentation, Twilio and ASPSMS are promoted, but any SMS provider can be used. Code: https://github.com/damienbod/AspNetCoreID4External 2017-09-23 Updated to ASP.NET Core 2.0 Setting up Twilio Create an account and login to https://www.twilio.com/ Now create […]

Implementing a silent token renew in Angular for the OpenID Connect Implicit flow

This article shows how to implement a silent token renew in Angular using IdentityServer4 as the security token service server. The SPA Angular client implements the OpenID Connect Implicit Flow ‘id_token token’. When the id_token expires, the client requests new tokens from the server, so that the user does not need to authorise again. Code: […]

Secure ASP.NET Core MVC with Angular using IdentityServer4 OpenID Connect Hybrid Flow

This article shows how an ASP.NET Core MVC application using Angular in the razor views can be secured using IdentityServer4 and the OpenID Connect Hybrid Flow. The user interface uses server side rendering for the MVC views and the Angular app is then implemented in the razor view. The required security features can be added […]