Blog

Blog posts on .NET, Azure, and more.

Enabling Cross-Origin Requests in ASP.NET5

July 28, 2015 by Anuraj

.Net ASP.Net ASP.Net MVC HTML5 Javascript Web API

Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources (e.g. fonts, JavaScript, etc.) on a web page to be requested from another domain outside the domain from which the resource originated. “Cross-domain” AJAX requests are forbidden by default because of their ability to perform advanced requests (POST, PUT, DELETE and other types of HTTP requests, along with specifying custom HTTP headers) that introduce many cross-site scripting security issues. CORS defines a way in which a browser and server can interact to safely determine whether or not to allow the cross-origin request. It allows for more freedom and functionality than purely same-origin requests, but is more secure than simply allowing all cross-origin requests. It is a recommended standard of the W3C.

Microsoft Openness event on 25 July 2015

July 23, 2015 by Anuraj

.Net ASP.Net Miscellaneous User Group Activities Windows Azure

Registration URL: https://www.eventbrite.com/e/microsoft-azure-and-open-source-tickets-17695840736 K-MUG: http://k-mug.org/content/Sessions.aspx

Basic authentication middleware for ASP.NET 5

July 23, 2015 by Anuraj

.Net ASP.Net ASP.Net MVC Visual Studio Web API

This post is about building another middleware component for ASP.NET 5. Long back I wrote a post about Basic authentication for Web API. This implementation uses the same functionality. It checks for Authorization header in the HTTP Request, if not found it set the Response status code to 401 and adds a WWW-Authenticate header. When browser receives such response, it will show the Basic authentication dialog. If the header is set, you can parse the header and validate the credentials against database. Here is the implementation.

Unit Testing ASP.NET 5 middleware

July 14, 2015 by Anuraj

.Net ASP.Net ASP.Net MVC Unit Testing

This post is about unit testing your middleware components. For testing middleware ASP.NET team introduced a TestHost package, this package contains a TestServer which can create an ASP.NET request processing pipeline and helpers to submit requests to the pipeline as if it is a real server. Requests made with these helpers never hit the network as they are processed directly in memory. . You can verify the content type, http status code etc. To write unit test, you require “Microsoft.AspNet.TestHost” package and dnx supported XUnit packages as well.

Build your own middleware - HTML Minification middleware

July 13, 2015 by Anuraj

.Net ASP.Net ASP.Net MVC Visual Studio

Minification refers to the process of removing unnecessary or redundant data without affecting how the resource is processed by the browser - e.g. code comments and formatting, removing unused code, using shorter variable and function names, and so on. If you are using wordpress, you will get some plugins which will help you to minify HTML and other static files like CSS, Javascript. ASP.NET MVC comes with bundling and minification feature which will help you to minify CSS and Javascript. This post is about a HTML Minification middleware, which will help developers to remove the whitespace in the generated HTML content.

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