User Authentication with Codeigniter 1.7 using Twitter oAuth

Posted by remsai10 on May 26, 2010 10:56 PM EDT; By Adam Griffiths
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User authentication is an important part of many applications. Let's look at how we would utilize third-party authentication methods. oAuth is an open protocol for secure user authentication across APIs. It allows users to gain limited access to websites by using their Twitter credentials. It's a very sound method of user authentication, and doesn't take too much work to get going. Twitter oAuth is used by hundreds of third-party Twitter clients and mashups—just to give you an idea of how useful it can be. In this article we will: * Learn how Twitter oAuth works * Create a library for authentication * Utilize the library in order to create an application to demonstrate how it works

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