New PHP library: PHPoAuthUserData

February 10, 2014#library, #php, #oauth, #githubcomments

— Published by Luciano Mammino

I recently wrote a new PHP library to simplify the extraction of user data (name, email, id, etc…) from various OAuth providers such as Facebook, Twitter and Linkedin.

Is well know that OAuth 1 and 2 are great standard protocols to authenticate users in our apps. Anyway we often need to go further the authentication process and extract various information about the authenticated users. Unfortunately this is something that is not standardized and obviously each OAuth provider manages user data in very specific manner according to its specific purposes.

So each OAuth provider offer a set of APIs with specific data schemes to allow developers to extract data about the authenticated users.

That’s not a big deal if we build apps that adopts a single OAuth provider, but, if we want to adopt more of them, you need to deal with several different APIs and data schemes! Yes, things can get really cumbersome!

Just to make things clearer suppose you want to allow users in your app to sign up with Facebook, Twitter and Linkedin. Probably, to increase conversion rate and speed up the sign up process, you may want to populate the user profile on your app by copying data from the OAuth provider user profile he used to sign up. Yes, you have to deal with 3 different sets of APIs and data schemes! And suppose you would be able to add GitHub and Google one day, that will count for 5 different APIs and data schemes… not so maintainable, isn’t it?

The library I wrote is called PHPoAuthUserData. It sits on top of the excellent OAuth library Lusitanian/PHPoAuthLib and aims to resolve the user extraction data problem in the most simple and effective way.

It offers a uniform and (really) simple interface to extract the most interesting and common user data such as Name, Username, Id and so on.

Just to give you a quick idea of what is possible with the library have a look at the following snippet:

// $service is an istance of \OAuth\Common\Service\ServiceInterface (eg. the "Facebook" service) with a valid access token

$extractorFactory = new \OAuth\UserData\ExtractorFactory();
$extractor = $extractorFactory->get($service); // get the extractor for the given service
echo $extractor->getUniqueId(); // prints out the unique id of the user
echo $extractor->getUsername(); // prints out the username of the user
echo $extractor->getImageUrl(); // prints out the url of the user profile image

The code is available on Github where you will find detailed information on how to install and use the library.

I Hope you will enjoy it and be willing to contribute to the code base. If you want to know more, read the next post that explains how to write an extractor for the library.

Found a typo or something that can be improved?
In the spirit of Open Source, you can contribute to this article by submitting a PR on GitHub



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