guillaumebriday/laravel-blog

{
    //
    "require": {
        "php": "^7.4",
        //
        "laravel/socialite": "5.0.1",
        //
    },
    //
}

use App\Http\Controllers\Controller;
use App\Models\User;
use Auth;
use Socialite;

class AuthController extends Controller
{
    public function redirectToProvider($provider)
    {
        return Socialite::driver($provider)->redirect();
    }

    public function handleProviderCallback($provider)
    {
        try {
            $user = Socialite::driver($provider)->stateless()->user();
        } catch (Exception $e) {
            return redirect()->route('login');
        }

        $authUser = $this->findOrCreateUser($user, $provider);

        Auth::login($authUser, true);

        return redirect()->route('home')->withSuccess(__('auth.logged_in_provider', ['provider' => $provider]));
    }

    private function findOrCreateUser($user, $provider)
    {
        $authUser = User::where('provider_id', $user->id)->first();

        if ($authUser) {
            return $authUser;
        }

        return User::create([
                        'name' => $user->name ?? $user->email,
                        'email' => $user->email,
                        'provider' => $provider,
                        'provider_id' => $user->id
                    ]);
    }
}

// ...

<div class="d-flex justify-content-between flex-wrap">
    @if (env('GITHUB_ID'))
        <a href="{{ route('auth.provider', ['provider' => 'github']) }}" class="btn btn-secondary mb-2">
            @lang('auth.services.github')
            <i class="fa fa-github" aria-hidden="true"></i>
        </a>
    @endif

    @if (env('TWITTER_ID'))
        <a href="{{ route('auth.provider', ['provider' => 'twitter']) }}" class="btn btn-secondary mb-2">
            @lang('auth.services.twitter')
            <i class="fa fa-twitter" aria-hidden="true"></i>
        </a>
    @endif
</div>

// ...

use Illuminate\Support\Facades\Route;

//
Route::prefix('auth')->group(function () {
    Route::get('{provider}', 'Auth\AuthController@redirectToProvider')->name('auth.provider');
    Route::get('{provider}/callback', 'Auth\AuthController@handleProviderCallback');
});
//