scout-baslac.ch/app/Http/Controllers/Auth/SocialiteController.php

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Models\Entreprise;
use Laravel\Socialite\Facades\Socialite;
use App\Models\User;
use Illuminate\Support\Str;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Auth;
use Exception;
use Illuminate\Support\Facades\Hash;

class SocialiteController extends Controller
{
    protected $providers = [ "google" ];

    public function redirect($provider)
    {
        if(in_array($provider, $this->providers))
        {
            return Socialite::driver($provider)->redirect();
        }
        return response("", 404);
    }

    public function callback($provider)
    {
        if(in_array($provider, $this->providers))
        {
            $user = null;
            try {
                $user = Socialite::driver($provider)->user();
            } catch(Exception $e) {
                return redirect('/login')->withErrors([
                    "message" => "Erreur durant l'authentification avec " . $provider
                ]);
            }
            $email = $user->getEmail();
            $name = $user->getName();

            $user = User::where("email", $email)->first();
            if(!$user)
            {
                return redirect(route("login"));
            }

            Auth::login($user);
            if (Auth::check()) return redirect('/');
        }
        return response("", 404);
    }
}