A new guide has been posted showing you how to create custom OAuth2 providers for your Laravel application. In this case they wanted to hook the application in via Socialite to the VK social network but needed a custom connector to make it happen.

First of all let’s say that social authorization is very popular and frankly speaking it’s really handy tool. Surfing internet we can see a lot of sites and services which offer login with Facebook, Twitter, Google and other social networks. [...] If you’re building your website in PHP using Laravel, probably you’ve noticed Socialite which provides OAuth / OAuth 2 authentication with Facebook, Twitter, Google, and GitHub. The most famous social network which provides OAuth2 authentication in Russian segment of the internet is vk. But there is a lack of such connector (provider) in Socialite library. Actually it’s not a hard problem, so let’s build new VkProvider on top of Socialite’s components.

He starts with a brief look at the typical OAuth2 authentication flow between the social network and your application. From there it gets more vk.com specific. He shows how to set up the custom application on their side, updating your configuration with the credentials and installing Socialite. He then implements a "VkProvider" defining the required methods based on the interface. He then registers it as a "SocialiteServiceProvider" and uses it in a "login" request route.