Category Uncategorized

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 […]

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 […]

Implementing custom policies in ASP.NET Core using the HttpContext

This article shows how to implement a custom ASP.NET Core policy using the AuthorizationHandler class. The handler validates, that the identity from the HttpContext has the authorization to update the object in the database. Code: https://github.com/damienbod/AspNetCoreAngularSignalRSecurity Scenerio In the example, each admin user of the client application, can create DataEventRecord entities which can only be […]

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/AspNetCoreAngularSignalR Other posts in this series: Getting started with SignalR using ASP.NET Core and Angular SignalR Group messages with ngrx and Angular Using EF Core […]

Getting started with SignalR using ASP.NET Core and Angular

This article shows how to setup a first SignalR Hub in ASP.NET Core 2.0 and use it with an Angular client. SignalR will be released with dotnet 2.1. Thanks to Dennis Alberti for his help in setting up the code example. Code: https://github.com/damienbod/AspNetCoreAngularSignalR Other posts in this series: Getting started with SignalR using ASP.NET Core […]

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 […]