I’m working on an API for my web app that needs to send One-Time Passwords (OTP) via SMS to users’ mobile numbers. I want to find a reliable and secure way to do this without too much hassle.

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I have set the code below on the “startup.cs”.

Our application is in ASP.NET Core (.NET 6) using a MVC architecture with an authentication model that creates an “auth” cookie. After a user logs into the application with a Browser (Chrome), opening a new instance of the browser and navigating to the application allows them access without the logon page. We would like the application to require authentication for any browser instance. The following code is from a test application that I wrote to see if the issue was our application or not (test application has same behavior):

Given this class

I am trying to write out some objects in my ASP.NET Core 2.1 web app into a readable format to a file.

I’m calling an API using HTTP POST with a form URL encoded body

I assign a claim to a user in a certain endpoint

I’m working on file upload validation in an ASP.NET Core application using C#. I need to validate the content of an uploaded file before saving it, rather than relying solely on its extension. For instance, I have files with a .abc extension that should contain text content. I want to ensure that a file claiming to be .abc actually contains valid text, as someone could potentially rename an executable file to .abc and upload it. How can I implement this validation effectively?

I’m creating a web api that search throw all tables of the database and it require severl minutes to finish.
Is there a way to create a method that return a partial results whitout terminating the search process?