PHPで開発した中古リサイクルサイトにソーシャルログイン機能を統合

<?php
// index.php

// 引入自动加载文件
require 'vendor/autoload.php';

// 实例化路由器
$router = new CoreRouter();

// 添加路由规则
$router->add('/', ['controller' => 'Home', 'action' => 'index']);

// 解析路由
$router->dispatch();

<?php
// Controllers/Home.php

namespace AppControllers;

class Home
{
    public function index()
    {
        // 处理用户请求
    }
}

<?php
// Views/View.php

namespace AppViews;

class View
{
    public static function render($view, $args = [])
    {
        extract($args, EXTR_SKIP);

        $file = dirname(__DIR__) . "/Views/$view";

        if (is_readable($file)) {
            require $file;
        } else {
            throw new Exception("View not found: $view");
        }
    }
}

<?php
// config.php

return [
    'facebook' => [
        'app_id' => 'YOUR_APP_ID',
        'app_secret' => 'YOUR_APP_SECRET',
        'default_graph_version' => 'v2.10',
    ],
];

<?php
// Libraries/Facebook.php

namespace AppLibraries;

use FacebookFacebook;

class FacebookLogin
{
    private $fb;
    private $helper;

    public function __construct()
    {
        $config = require 'config.php';

        $this->fb = new Facebook([
            'app_id' => $config['facebook']['app_id'],
            'app_secret' => $config['facebook']['app_secret'],
            'default_graph_version' => $config['facebook']['default_graph_version'],
        ]);

        $this->helper = $this->fb->getRedirectLoginHelper();
    }

    public function getLoginUrl($redirectUrl)
    {
        return $this->helper->getLoginUrl($redirectUrl, ['email']);
    }

    public function getUser()
    {
        try {
            $accessToken = $this->helper->getAccessToken();
            $response = $this->fb->get('/me?fields=id,name,email', $accessToken);
            $user = $response->getGraphUser();
            return $user;
        } catch (Exception $e) {
            return null;
        }
    }
}

<?php
// Controllers/Home.php

namespace AppControllers;

use AppLibrariesFacebookLogin;

class Home
{
    public function index()
    {
        $fb = new FacebookLogin();
        $loginUrl = $fb->getLoginUrl('http://example.com/facebook-callback');

        AppViewsView::render('home.php', ['loginUrl' => $loginUrl]);
    }
}

<!-- Views/home.php -->

<a href="<?php echo $loginUrl; ?>">使用Facebook登录</a>

<?php
// Libraries/Google.php

namespace AppLibraries;

use GoogleClient;

class GoogleLogin
{
    private $google;

    public function __construct()
    {
        $this->google = new Client(['client_id' => 'YOUR_CLIENT_ID']);
    }

    public function getLoginUrl($redirectUrl)
    {
        $this->google->setRedirectUri($redirectUrl);
        $this->google->addScope('email');

        return $this->google->createAuthUrl();
    }

    public function getUser()
    {
        $code = $_GET['code'];
        $accessToken = $this->google->fetchAccessTokenWithAuthCode($code);
        $this->google->setAccessToken($accessToken);

        $service = new Google_Service_Oauth2($this->google);
        $user = $service->userinfo->get();

        return $user;
    }
}

<?php
// Controllers/Home.php

namespace AppControllers;

use AppLibrariesFacebookLogin;
use AppLibrariesGoogleLogin;

class Home
{
    public function index()
    {
        $fb = new FacebookLogin();
        $google = new GoogleLogin();

        $facebookLoginUrl = $fb->getLoginUrl('http://example.com/facebook-callback');
        $googleLoginUrl = $google->getLoginUrl('http://example.com/google-callback');

        AppViewsView::render('home.php', ['facebookLoginUrl' => $facebookLoginUrl, 'googleLoginUrl' => $googleLoginUrl]);
    }
}

<!-- Views/home.php -->

<a href="<?php echo $facebookLoginUrl; ?>">使用Facebook登录</a>
<a href="<?php echo $googleLoginUrl; ?>">使用Google登录</a>