Phraseanet/lib/Alchemy/Phrasea/Authentication/Provider/Facebook.php

<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2015 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Alchemy\Phrasea\Authentication\Provider;

use Alchemy\Phrasea\Authentication\Provider\Token\Token;
use Alchemy\Phrasea\Authentication\Provider\Token\Identity;
use Alchemy\Phrasea\Authentication\Exception\NotAuthenticatedException;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\Routing\Generator\UrlGenerator;
use Symfony\Component\HttpFoundation\Session\SessionInterface;

class Facebook extends AbstractProvider
{
    /** @var \Facebook */
    private $facebook;

    public function __construct(\Facebook $facebook, UrlGenerator $generator)
    {
        $this->facebook = $facebook;
        $this->generator = $generator;
    }

    /**
     * {@inheritdoc}
     */
    public function getId()
    {
        return 'facebook';
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'Facebook';
    }

    /**
     * {@inheritdoc}
     */
    public function authenticate()
    {
        return new RedirectResponse($this->facebook->getLoginUrl([
            'scope'        => 'email',
            'redirect_uri' => $this->generator->generate(
                'login_authentication_provider_callback',
                ['providerId' => $this->getId()],
                UrlGenerator::ABSOLUTE_URL
            )
        ]));
    }

    /**
     * {@inheritdoc}
     */
    public function logout()
    {
        $this->facebook->destroySession();
    }

    /**
     * @param \Facebook $facebook
     *
     * @return Facebook
     */
    public function setFacebook(\Facebook $facebook)
    {
        $this->facebook = $facebook;

        return $this;
    }

    /**
     * @return \Facebook
     */
    public function getFacebook()
    {
        return $this->facebook;
    }

    /**
     * {@inheritdoc}
     */
    public function getIdentity()
    {
        try {
            $data = $this->facebook->api('/me');
            $identity = new Identity();

            $identity->set(Identity::PROPERTY_ID, $data['id']);
            $identity->set(Identity::PROPERTY_IMAGEURL, sprintf(
                'https://graph.facebook.com/%s/picture?return_ssl_resources=1',
                $data['username']
            ));
            $identity->set(Identity::PROPERTY_EMAIL, $data['email']);
            $identity->set(Identity::PROPERTY_FIRSTNAME, $data['first_name']);
            $identity->set(Identity::PROPERTY_LASTNAME, $data['last_name']);
            $identity->set(Identity::PROPERTY_USERNAME, $data['username']);

        } catch (\FacebookApiException $e) {
            throw new NotAuthenticatedException('Unable to get profile informations', $e->getCode(), $e);
        }

        return $identity;
    }

    /**
     * {@inheritdoc}
     */
    public function onCallback(Request $request)
    {
        if (!$this->facebook->getUser()) {
            throw new NotAuthenticatedException('Facebook authentication failed');
        }
    }

    /**
     * {@inheritdoc}
     */
    public function getToken()
    {
        if (0 >= $this->facebook->getUser()) {
            throw new NotAuthenticatedException('Provider has not authenticated');
        }

        return new Token($this, $this->facebook->getUser());
    }

    /**
     * {@inheritdoc}
     */
    public function getIconURI()
    {
        return 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADEAAAAwCAYAAAC4w'
            . 'JK5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA2hpVFh0W'
            . 'E1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iV'
            . 'zVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iY'
            . 'WRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuMy1jMDExI'
            . 'DY2LjE0NTY2MSwgMjAxMi8wMi8wNi0xNDo1NjoyNyAgICAgICAgIj4gPHJkZjpSR'
            . 'EYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1ze'
            . 'W50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6e'
            . 'G1wTU09Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9tbS8iIHhtbG5zOnN0U'
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            . 'WYjIiB4bWxuczp4bXA9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC8iIHhtc'
            . 'E1NOk9yaWdpbmFsRG9jdW1lbnRJRD0ieG1wLmRpZDowMjgwMTE3NDA3MjA2ODExO'
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            . 'J3x2y7FV8iEPbOzKCYsISDedA/AbEZb+N3SVAPtbfVF96UHp+Hdx8Gi8129Q4F8K'
            . 'SoARU6Knr/+Ylu+nTmxtySInm8jcPvBKzF5wmYBkYhiotT8wG8UC/POEjEhbz7h9'
            . '9yw71wUE86LuDQQSzHBBDIhswD0eS4XyoRJPeJfMstlQmApbqGmmKTAXjomBAU2d'
            . '3uE838QE1xgYNsgZMnJpwzhYuXkSEmanKw1kBNNiJxyXNbMbg2Y4BxZQJMWE34gm'
            . 'NCYYHJjYi2GWKpf7JmdJCb85QTimHBWOpi01Q7fjB1yhUWF4jHWMQmt89lb20Q3t'
            . 'WBwMnIDHJQdTqdEd9/OMrKT+EXrntTbLL8QRD+s0b4n1zHAhpRYcqGGipqZ83NTk'
            . '+kXj2gdAZzNeEshPSqKQuvtm8DZG25E245WA87uZDxKJICz7UtMDKN9RxtTPRdpM'
            . 'kw79OP5eTo4O5RqhECYLgMzrp/kr6Z65KS7J8FFSyzQFmuU/kkl72fW9ZVM/yPAA'
            . 'LuRXOCVA9oFAAAAAElFTkSuQmCC';
    }

    /**
     * {@inheritdoc}
     *
     * @return Facebook
     */
    public static function create(UrlGenerator $generator, SessionInterface $session, array $options)
    {
        $config['appId'] = $options['app-id'];
        $config['secret'] = $options['secret'];

        $facebook = new \Facebook($config);

        return new static($facebook, $generator);
    }
}