Missing claims in the ClaimsPrincipal user object is a frequent problem when using OpenID Connect authentication in ASP.NET Core. In this blog post, we’ll explore common causes behind these claim issues and provide troubleshooting steps to help you identify and resolve them effectively. What is the purpose of the OpenIDConnect handler? The handler has two […]
Debugging OpenID Connect Claim Problems in ASP.NET Core Read More »
One of the most frequent questions I encounter on Stack Overflow is how to troubleshoot JwtBearer authentication issues in ASP.NET Core. In this post, I’ll share top tips and solutions to help you resolve common JwtBearer handler problems effectively. The JwtBearer handler We add the JwtBearer handler to the authentication middleware in our ASP.NET Core
Troubleshooting JwtBearer authentication issues in ASP.NET Core Read More »
Understanding the differences between IdentityResource, ApiResource, and ApiScope in Duende IdentityServer is a common question among developers, often seen on platforms like Stack Overflow. My answer to this question has gained significant traction as one of my most upvoted responses. In this blog post, I’ll dive deeper into these resource types, explaining what they are,
IdentityServer – IdentityResource vs. ApiResource vs. ApiScope Read More »
After my blog post about my Sega Mega Drive project, RetroRGB contacted me and wanted to interview me on their YouTube channel. This was my first major podcast/interview and was a very fun experience. You can view the interview here.
I was interviewed by RetroRGB Read More »
As a developer and trainer, it is hard to keep up with all the changes in all the libraries. In this blog post, I will summarize the recent key changes that I have found in the ASP.NET Core JwtBearer library versions 3.1.22, 5.0.13, and 6.0.1. The JwtBearer library is distributed in the Microsoft.AspNetCore.Authentication.JwtBearer NuGet package.
ASP.NET Core 6 – JwtBearer library: what’s new? Read More »
Introduction Over 30 years ago, I decided to take on the challenge of building my own Sega Mega Drive hardware dev kit from scratch. At the time, I was eager to develop games and wanted to target a powerful platform beyond the Atari 1040 STE I had. After discovering the Sega Mega Drive and getting
How I built my own Sega Mega Drive hardware dev kit from scratch Read More »
Over at Edument I blogged about how you can use the new source generator feature in .NET 5 to automatically generate an API for a system using the MediatR library and the CQRS pattern. Head over to Edument and read about it here.
.NET 5 Source Generators – MediatR – CQRS – OMG! Read More »
C# 8 brought us many new exciting features, and personally my favorite feature was the non-nullable type one. Head over to Edument to learn more in my blog article.
Exploring the non-nullable type warnings in C# 8 Read More »
At Edument I blogged about how to install RavenDB on a VM in Azure. Read the step-by-step instructions here.
How to install RavenDB on a VM in Azure (step-by-step) Read More »
Our internal validation library TNValidate is now available as a project on GitHub. We released this as open source because we wanted to let others take part in our internal libraries. The library is written in C# and uses a “Fluent Interface” to define the validation rules. By using TNValidate, we have achieved a uniform
TNValidate is now open source Read More »