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You're reading from  CORS Essentials

Product typeBook
Published inMay 2017
Reading LevelIntermediate
Publisher
ISBN-139781784393779
Edition1st Edition
Languages
JavaScript
Tools
Visual Studio
Concepts
Front End Web Development
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Author (1)
Rajesh Gunasundaram
Rajesh Gunasundaram
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Rajesh Gunasundaram

Rajesh Gunasundaram is a software architect, technical writer and blogger. He has over 15 years of experience in the IT industry, with more than 12 years using Microsoft .NET, 2 years of BizTalk Server and a year of iOS application development. Rajesh is a founder and editor of technical blogs programmerguide and ioscorner and you can find many of his technical writings on .Net and iOS. He is also the founder and developer of VideoLens, a platform that analyses videos uploaded in Facebook pages and YouTube channels. Rajesh has also written four other books for Packt publishing. Rajesh worked on client premises located at various countries such as UK, Belarus and Norway. He also has experience in developing mobile applications for iPhone and iPad. His technical strengths include Azure, Xamarin, ASP.NET MVC, Web API, WCF, .Net Framework / .Net Core, C#, Objective-C, Angular, Bot Framework, BizTalk, SQL Server, REST, SOA, Design Patterns and Software Architecture. Rajesh is an early adopter of Angular since AngularJS. He has developed Rich interfaces using Angular, Bootstrap, HTML5 and CSS3. He has good experience in translation of designer mock-ups and wireframes into an AngularJS front-end. Good at unit testing Angular applications with Karma. Expertise in handling RESTful services in Angular. Supporting various web products developed using AngularJS and Angular.
Read more about Rajesh Gunasundaram

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CORS in the ASP.NET Web API

The ASP.NET Web API is a HTTP service-oriented framework suitable for implementing cross-domain requests via CORS in web applications.

ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the .NET Framework.

The EnableCorsAttribute custom class contains properties for the allowed origins, HTTP methods, request headers, response headers, and whether credentials are allowed.

The CorsMessageHandler checks the policy in the attribute for the HTTP method being invoked and sends the appropriate CORS response headers.

Enabling CORS in the ASP.NET Web API

When using the ASP.NET Web API, you may enable CORS globally on the IIS server using the methods already discussed.

It is preferable to add the CORS headers only on the pages, and for classes and methods, where they are needed. The next section shows how to...

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CORS Essentials
Published in: May 2017Publisher: ISBN-13: 9781784393779
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Rajesh Gunasundaram

Rajesh Gunasundaram is a software architect, technical writer and blogger. He has over 15 years of experience in the IT industry, with more than 12 years using Microsoft .NET, 2 years of BizTalk Server and a year of iOS application development. Rajesh is a founder and editor of technical blogs programmerguide and ioscorner and you can find many of his technical writings on .Net and iOS. He is also the founder and developer of VideoLens, a platform that analyses videos uploaded in Facebook pages and YouTube channels. Rajesh has also written four other books for Packt publishing. Rajesh worked on client premises located at various countries such as UK, Belarus and Norway. He also has experience in developing mobile applications for iPhone and iPad. His technical strengths include Azure, Xamarin, ASP.NET MVC, Web API, WCF, .Net Framework / .Net Core, C#, Objective-C, Angular, Bot Framework, BizTalk, SQL Server, REST, SOA, Design Patterns and Software Architecture. Rajesh is an early adopter of Angular since AngularJS. He has developed Rich interfaces using Angular, Bootstrap, HTML5 and CSS3. He has good experience in translation of designer mock-ups and wireframes into an AngularJS front-end. Good at unit testing Angular applications with Karma. Expertise in handling RESTful services in Angular. Supporting various web products developed using AngularJS and Angular.
Read more about Rajesh Gunasundaram

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