审查视图

simplewind/vendor/overtrue/socialite/src/Providers/FacebookProvider.php 3.8 KB
董瑞恩 authored
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
<?php

/*
 * This file is part of the overtrue/socialite.
 *
 * (c) overtrue <i@overtrue.me>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Overtrue\Socialite\Providers;

use Overtrue\Socialite\AccessTokenInterface;
use Overtrue\Socialite\ProviderInterface;
use Overtrue\Socialite\User;

/**
 * Class FacebookProvider.
 *
 * @see https://developers.facebook.com/docs/graph-api [Facebook - Graph API]
 */
class FacebookProvider extends AbstractProvider implements ProviderInterface
{
    /**
     * The base Facebook Graph URL.
     *
     * @var string
     */
    protected $graphUrl = 'https://graph.facebook.com';

    /**
     * The Graph API version for the request.
     *
     * @var string
     */
    protected $version = 'v2.9';

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

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

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

    /**
     * {@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';
    }

    /**
     * Get the access token for the given code.
     *
     * @param string $code
     *
     * @return \Overtrue\Socialite\AccessToken
     */
    public function getAccessToken($code)
    {
        $response = $this->getHttpClient()->get($this->getTokenUrl(), [
            'query' => $this->getTokenFields($code),
        ]);

        return $this->parseAccessToken($response->getBody());
    }

    /**
     * {@inheritdoc}
     */
    protected function getUserByToken(AccessTokenInterface $token)
    {
        $appSecretProof = hash_hmac('sha256', $token->getToken(), $this->clientSecret);

        $response = $this->getHttpClient()->get($this->graphUrl.'/'.$this->version.'/me?access_token='.$token.'&appsecret_proof='.$appSecretProof.'&fields='.implode(',', $this->fields), [
            'headers' => [
                'Accept' => 'application/json',
            ],
        ]);

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

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

        $firstName = $this->arrayItem($user, 'first_name');
        $lastName = $this->arrayItem($user, 'last_name');

        return new User([
            'id' => $this->arrayItem($user, 'id'),
            'nickname' => null,
            'name' => $firstName.' '.$lastName,
            'email' => $this->arrayItem($user, 'email'),
            'avatar' => $avatarUrl.'?type=normal',
            'avatar_original' => $avatarUrl.'?width=1920',
        ]);
    }

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

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

        return $fields;
    }

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

        return $this;
    }

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

        return $this;
    }
}