Category .NET Core

Using EF Core and SQLite to persist SignalR Group messages in ASP.NET Core

The article shows how SignalR messages can be saved to a database using EF Core and SQLite. The post uses the SignalR Hub created in this blog; SignalR Group messages with ngrx and Angular, and extends it so that users can only join an existing SignalR group. The group history is then sent to the […]

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 History 2023-01-08 Updated Angular 15, .NET 72021-01-25 Updated Angular 11.1.0 .NET 5, ngrx implementation2020-03-21 updated packages, fixed Admin UI STS2019-08-18 […]

Getting started with SignalR using ASP.NET Core and Angular

This article shows how to setup a first SignalR Hub in ASP.NET Core 2.2 and use it with an Angular client. SignalR was released with dotnet 2.1. Thanks to Dennis Alberti for his help in setting up the code example. Code: https://github.com/damienbod/AspNetCoreAngularSignalR Posts in this series History 2023-01-08 Updated Angular 15, .NET 72021-01-25 Updated Angular […]

Angular Configuration using ASP.NET Core settings

This post shows how ASP.NET Core application settings can be used to configure an Angular application. ASP.NET Core provides excellent support for different configuration per environment, and so using this for an Angular application can be very useful. Using CI, one release build can be automatically created with different configurations, instead of different release builds […]

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 […]

Using Protobuf Media Formatters with ASP.NET Core

This article shows how to use Protobuf with an ASP.NET Core MVC application. The API uses the WebApiContrib.Core.Formatter.Protobuf Nuget package to add support for Protobuf. This package uses the protobuf-net Nuget package from Marc Gravell, which makes it really easy to use a really fast serializer, deserializer for your APIs. Code: https://github.com/damienbod/AspNetCoreWebApiContribProtobufSample History 2019-09-23 Updated […]

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: […]

Anti-Forgery Validation with ASP.NET Core MVC and Angular

This article shows how API requests from an Angular SPA inside an ASP.NET Core MVC application can be protected against XSRF by adding an anti-forgery cookie. This is required, if using Angular, when using cookies to persist the auth token. Code: https://github.com/damienbod/AspNetCoreMvcAngular Blogs in this Series Using Angular in an ASP.NET Core View with Webpack […]

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 […]