This time I want to focus on user authentication. In APIs we can use different methods for user authentication like: -cookie Authentication -basic Authentication (not recommended, slow and insecure) -token Authentication In this post I want to show you how to implement cookie authentication in ASP.NET Core Web API.

Nice journey behind us! You did really great job to be here with us in episode 6. We started this course with introduction where we tried to explain goal, rules and technology stack. Next we did core architecture of our application, few first features and we showed you basic concepts...

General update on TeamScreen project that I'm doing for Get Notice competition

Jak przekazywać dane pomiędzy midllewares w ASP.NET Core Pipeline

Pewnie niektórych z Was zastanawia, dlaczego obrazek do postu przedstawia ptaka? Kestrel, to po polsku Pustułka zwyczajna– nazwa ptaka drapieżnego z rodziny sokołowatych – tego przedstawionego na zdjęciu. Cytując wikipedię, polska nazwa ptaka wywodzi się od rosyjskiego „pustoj”, co oznacza „głupi”. W tym artykule dowiecie się o możliwościach implementacji serwerów w ASP.NET Core, czyli Kestrel i WebListener.

I created few projects in my solution. I have models, services, tests and webApi project. I added LoginController which uses Services, but it uses it by interfaces. I need to use dependency injection to resolve it for me. I decided to add Autofac. It is IoC container which allow us to register all types and it’s implementations, to inject specific types for us. In the last year I wrote post how to add Autofac to ASP.NET MVC app, but post is in Polish and adding Autofac to .NET Core app is slighty differe...

I’m not a big enthusiast of hard-coded values in my apps, mostly because of three things. First, it’s really annoying to change their value if necessary (especially if one is used in many places). Of course, we can use some „find and replace tool” but to be honest I don’t fully trust them. Another thing is that in many cases we have absolutely no idea what do they represent. Let’s say we have the following of code:   PaymentService.Create(or...

The amount of transferred data matters. On one hand it often contributes to the cost of running a service and on the other a lot of clients doesn't have as fast connections as we would like to believe. This is why response compression is one of key performance mechanisms in web world.

W ostatnich dwóch postach opisałem konfigurację środowiska pracy oraz generowanie projektu przy pomocy Yeomana. Po tym wszystkim nareszcie można usiąść do pisania kodu. Opiszę plany na aplikację, bibliotekę Dropzone.js oraz jak wykonać upload pliku w ASP.NET Core.

All Polish companies are present in a system called CEIDG (in English: Central Registration and Information on Business). It provides a simple API – so far so good. To integrate with it, you have to register in their system, where you are asked about...