oauth.php

<?php

class OauthController extends AbstractController
{
    /**
     * @Inject("SocialConnect\Auth\Service")
     *
     * @var \SocialConnect\Auth\Service
     */
    protected $oauth;

    public function getAction()
    {
        $id = $this->request->attributes->get('id');
        if ($id) {
            throw new InvalidParameterException('id');
        }

        // Get provider by id
        $provider = $this->oauth->getProvider($id);
        return new RedirectResponse($provider->makeAuthUrl());
    }
}