Enable socialite to login with social network

Author: mckenziearts

app/Http/Controllers/Auth/LoginController.php

@@ -3,7 +3,10 @@
 namespace App\Http\Controllers\Auth;
 
 use App\Http\Controllers\Controller;
+use App\User;
 use Illuminate\Foundation\Auth\AuthenticatesUsers;
+use Socialite;
+use Illuminate\Support\Facades\Auth;
 
 class LoginController extends Controller
 {
@@ -36,4 +39,74 @@ public function __construct()
     {
         $this->middleware('guest')->except('logout');
     }
+
+    /**
+     * Redirect the user to the Provider authentication page.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function redirectToProvider($provider)
+    {
+        $provider = strtolower($provider);
+
+        if ($provider === 'facebook') {
+            return Socialite::driver('facebook')->with(['auth_type' => 'rerequest'])->redirect();
+        }
+
+        return Socialite::driver($provider)->redirect();
+    }
+
+    /**
+     * Obtain the user information from provider.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function handleProviderCallback($provider)
+    {
+        $providerUser = Socialite::driver($provider)->user();
+
+        // Check if user email is null
+        // Get user from the database with the good provider_id or email
+        if (is_null($providerUser->getEmail())) {
+            $this->redirectToProvider($provider);
+        }
+
+        $user = User::where($provider.'_id', '=', $providerUser->getId())
+            ->Where('email', '=', $providerUser->getEmail())
+            ->first();
+
+        if (is_null($user)) {
+            // Save user to the database
+            $userId = $this->registerUser($provider, $providerUser);
+            Auth::loginUsingId($userId);
+
+            return redirect()->intended($this->redirectPath());
+        }
+
+        // Login user
+        Auth::loginUsingId($user->id);
+
+        return redirect()->intended($this->redirectPath());
+    }
+
+    /**
+     * Resgiter user to the database and return ID.
+     *
+     * @param $provider
+     * @param $user
+     * @return int
+     */
+    public function registerUser($provider, $user)
+    {
+        $user = User::create([
+            'name'  => $user->getName(),
+            'email' => $user->getEmail(),
+            'password'  => bcrypt('password'),
+            $provider.'_id'    => $user->getId(),
+            'created_at'    => Carbon::now(),
+            'updated_at'    => Carbon::now(),
+        ]);
+
+        return $user->id;
+    }
 }

app/User.php

@@ -15,7 +15,7 @@ class User extends \TCG\Voyager\Models\User
      * @var array
      */
     protected $fillable = [
-        'name', 'email', 'password',
+        'name', 'email', 'password', 'phone_number', 'facebook_id', 'google_id', 'github_id', 'avatar', 'github_profile', 'twitter_profile'
     ];
 
     /**

resources/views/auth/login.blade.php

@@ -67,13 +67,13 @@
                     <div class="col-1"></div>
                     <div class="col col-md-5">
                         <h5 class="social-title">{{ __('Login using social network') }}</h5>
-                        <a href="javascript:;" class="btn btn-social btn-block btn-facebook">
+                        <a href="{{ url('/auth/facebook') }}" class="btn btn-social btn-block btn-facebook">
                             <span class="fa fa-facebook"></span> {{ __('Login with Facebook') }}
                         </a>
-                        <a href="javascript:;" class="btn btn-social btn-block btn-github">
+                        <a href="{{ url('/auth/github') }}" class="btn btn-social btn-block btn-github">
                             <span class="fa fa-github"></span> {{ __('Login with Github') }}
                         </a>
-                        <a href="javascript:;" class="btn btn-social btn-block btn-google">
+                        <a href="{{ url('/auth/google') }}" class="btn btn-social btn-block btn-google">
                             <span class="fa fa-google"></span> {{ __('Login with Google') }}
                         </a>
                     </div>

resources/views/auth/register.blade.php

@@ -70,13 +70,13 @@
                     <div class="col-1"></div>
                     <div class="col col-md-5">
                         <h5 class="social-title">{{ __('Register using social network') }}</h5>
-                        <a href="javascript:;" class="btn btn-social btn-block btn-facebook">
+                        <a href="{{ url('/auth/facebook') }}" class="btn btn-social btn-block btn-facebook">
                             <span class="fa fa-facebook"></span> {{ __('Register with Facebook') }}
                         </a>
-                        <a href="javascript:;" class="btn btn-social btn-block btn-github">
+                        <a href="{{ url('/auth/github') }}" class="btn btn-social btn-block btn-github">
                             <span class="fa fa-github"></span> {{ __('Register with Github') }}
                         </a>
-                        <a href="javascript:;" class="btn btn-social btn-block btn-google">
+                        <a href="{{ url('/auth/google') }}" class="btn btn-social btn-block btn-google">
                             <span class="fa fa-google"></span> {{ __('Register with Google') }}
                         </a>
                     </div>

routes/web.php

@@ -15,6 +15,8 @@
 {
     /** Authenticate Route */
     Auth::routes();
+    Route::get('/auth/{provider}', 'Auth\LoginController@redirectToProvider');
+    Route::get('/callback/{provider}', 'Auth\LoginController@handleProviderCallback');
     /** Profile Route */
     Route::group(['middleware' => 'auth'], function () {
         Route::get('/account', 'UserController@account')->name('users.account');