datatable.directory/sideload/adamwathan/eloquent-oauth/src/OAuthManager.php

<?php namespace AdamWathan\EloquentOAuth;

use SocialNorm\Provider;
use SocialNorm\SocialNorm;

class OAuthManager
{
    /** @var \Illuminate\Routing\Redirector */
    protected $redirect;

    /** @var Authenticator */
    protected $authenticator;

    /** @var SocialNorm */
    protected $socialnorm;

    public function __construct(
        \Illuminate\Routing\Redirector $redirect,
        Authenticator $authenticator,
        SocialNorm $socialnorm)
    {
        $this->redirect = $redirect;
        $this->authenticator = $authenticator;
        $this->socialnorm = $socialnorm;
    }

    public function authorize(string $providerAlias)
    {
        return $this->redirect->to($this->socialnorm->authorize($providerAlias));
    }

    /**
     * @param $providerAlias
     * @param \Closure|null $callback
     */
    public function login(string $providerAlias, $callback = null)
    {
        $details = $this->socialnorm->getUser($providerAlias);
        return $this->authenticator->login($providerAlias, $details, $callback);
    }

    public function registerProvider(string $alias, Provider $provider)
    {
        $this->socialnorm->registerProvider($alias, $provider);
    }
}