Author Archives: damienbod

Securing browser based Javascript, Typescript applications

This article should help you in choosing the right security for your browser based Javascript or Typescript applications. You should aim to secure the application as best as possible. The following diagram should help you in making your decision. Also for any of these flows, you should always use HTTPS. Appendix SPA: Single page application […]

gRPC Bi-directional streaming with Razor Pages and a Hosted Service gRPC client

This article shows how a Bi-directional streaming gRPC service could be implemented using an .NET Core Hosted Service as a gRPC client, and a Razor Page to send Bi-directional streaming messages to the servers connected clients. Code: https://github.com/damienbod/Secure_gRpc Posts in this series Security Experiments with gRPC and ASP.NET Core 3.0 Running Razor Pages and a […]

Running Local Azure Functions in Visual Studio with HTTPS

This article shows how to setup a Visual Studio Azure Functions project to work with HTTPS for local development. HTTP is configured per default and not HTTPS. The command line arguments need to be set correctly, and then the Azure Functions can be started in Visual Studio with HTTPS and take advantage of the break […]

Running Razor Pages and a gRPC service in a single ASP.NET Core application

This article shows how ASP.NET Core Razor Pages can be run in the same application as a gRPC service. Code: https://github.com/damienbod/Secure_gRpc Posts in this series Security Experiments with gRPC and ASP.NET Core 3.0 Running Razor Pages and a gRPC service in a single ASP.NET Core application gRPC Bi-directional streaming with Razor Pages and a Hosted […]

Security Experiments with gRPC and ASP.NET Core 3.0

This article shows how a gRPC service could implement OAuth2 security using IdentityServer4 as the token service. Code: https://github.com/damienbod/Secure_gRpc Posts in this series Security Experiments with gRPC and ASP.NET Core 3.0 Running Razor Pages and a gRPC service in a single ASP.NET Core application gRPC Bi-directional streaming with Razor Pages and a Hosted Service gRPC […]

ASP.NET Core OAuth Device Flow Client with IdentityServer4

This article shows how to implement the OAuth 2.0 Device Flow for Browserless and Input Constrained Devices in an ASP.NET Core application. The tokens are then saved to a cookie for later usage. IdentityServer4 is used to implement the secure token server. Code: https://github.com/damienbod/AspNetCoreHybridFlowWithApi History 2019-02-24 Updated packages, API calls Note: The code in the […]

Auto Generated .NET API Clients using NSwag and Swashbuckle Swagger

This article shows how auto generated code for a C# HTTP API client could be created using Swagger and NSwag . The API was created using ASP.NET Core MVC. Code https://github.com/damienbod/csvSwaggerExample Create the API using ASP.NET Core and Swashbuckle Swagger The API is created using ASP.NET Core with Swashbuckle. Add the required Nuget packages to […]