ARCANEDEV / Socialite

src/OAuth/Two/FacebookProvider.php

<?php namespace Arcanedev\Socialite\OAuth\Two;

use GuzzleHttp\ClientInterface;
use Illuminate\Support\Arr;

/**
 * Class     FacebookProvider
 *
 * @package  Arcanedev\Socialite\OAuth\Two
 * @author   ARCANEDEV <arcanedev.maroc@gmail.com>
 */
class FacebookProvider extends AbstractProvider
{
    /* ------------------------------------------------------------------------------------------------
     |  Properties
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * The base Facebook Graph URL.
     *
     * @var string
     */
    protected $graphUrl = 'https://graph.facebook.com';

    /**
     * The Graph API version for the request.
     *
     * @var string
     */
    protected $version = 'v2.8';

    /**
     * The user fields being requested.
     *
     * @var array
     */
    protected $fields = ['name', 'email', 'gender', 'verified', 'link'];

    /**
     * The scopes being requested.
     *
     * @var array
     */
    protected $scopes = ['email'];

    /**
     * Display the dialog in a popup view.
     *
     * @var bool
     */
    protected $popup = false;

    /**
     * Re-request a declined permission.
     *
     * @var bool
     */
    protected $reRequest = false;

    /* ------------------------------------------------------------------------------------------------
     |  Main Functions
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * {@inheritdoc}
     */
    protected function getAuthUrl($state)
    {
        return $this->buildAuthUrlFromBase("https://www.facebook.com/{$this->version}/dialog/oauth", $state);
    }

    /**
     * {@inheritdoc}
     */
    protected function getTokenUrl()
    {
        return "{$this->graphUrl}/oauth/access_token";
    }

    /**
     * {@inheritdoc}
     */
    public function getAccessTokenResponse($code)
    {
        $postKey  = (version_compare(ClientInterface::VERSION, '6') === 1) ? 'form_params' : 'body';
        $response = $this->getHttpClient()->post($this->getTokenUrl(), [
            $postKey => $this->getTokenFields($code),
        ]);

        $data = [];
        parse_str($response->getBody(), $data);

        return Arr::add($data, 'expires_in', Arr::pull($data, 'expires'));

It seems like $data can also be of type null; however, Illuminate\Support\Arr::pull() does only seem to accept array, maybe add an additional type check?

It seems like $data can also be of type null; however, Illuminate\Support\Arr::add() does only seem to accept array, maybe add an additional type check?

    }

    /**
     * {@inheritdoc}
     */
    protected function getUserByToken($token)
    {
        $meUrl = "{$this->graphUrl}/{$this->version}/me?access_token={$token}&fields=".implode(',', $this->fields);

        if ( ! empty($this->clientSecret)) {
            $meUrl .= '&appsecret_proof='.hash_hmac('sha256', $token, $this->clientSecret);
        }

        $response = $this->getHttpClient()->get($meUrl, [
            'headers' => [
                'Accept' => 'application/json',
            ],
        ]);

        return json_decode($response->getBody(), true);
    }

    /**
     * {@inheritdoc}
     */
    protected function mapUserToObject(array $user)
    {
        $avatarUrl = "{$this->graphUrl}/{$this->version}/".$user['id'].'/picture';

        return (new User)->setRaw($user)->map([
            'id'              => $user['id'],
            'nickname'        => null,
            'name'            => Arr::get($user, 'name'),
            'email'           => Arr::get($user, 'email'),
            'avatar'          => "{$avatarUrl}?type=normal",
            'avatar_original' => "{$avatarUrl}?width=1920",
            'profileUrl'      => Arr::get($user, 'link'),
        ]);
    }

    /**
     * {@inheritdoc}
     */
    protected function getCodeFields($state = null)
    {
        $fields = parent::getCodeFields($state);

        if ($this->popup) {
            $fields['display'] = 'popup';
        }

        if ($this->reRequest) {
            $fields['auth_type'] = 'rerequest';
        }

        return $fields;
    }

    /**
     * Set the user fields to request from Facebook.
     *
     * @param  array  $fields
     *
     * @return self
     */
    public function fields(array $fields)
    {
        $this->fields = $fields;

        return $this;
    }

    /**
     * Set the dialog to be displayed as a popup.
     *
     * @return self
     */
    public function asPopup()
    {
        $this->popup = true;

        return $this;
    }

    /**
     * Re-request permissions which were previously declined.
     *
     * @return self
     */
    public function reRequest()
    {
        $this->reRequest = true;
        return $this;
    }
}