Support validating OAuth token

app/Http/Controllers/AccountApiController.php

@@ -4,6 +4,8 @@ use Auth;
 use Utils;
 use Response;
 use Cache;
+use Socialite;
+use Exception;
 use App\Models\Account;
 use App\Ninja\Repositories\AccountRepository;
 use Illuminate\Http\Request;
@@ -181,4 +183,18 @@ class AccountApiController extends BaseAPIController
         }
 
     }
+
+    public function validateOauthToken(Request $request)
+    {
+        $token = $request->input('token');
+        $provider = $request->input('provider');
+
+        try {
+            $user = Socialite::driver($provider)->userFromToken($token);
+        } catch (Exception $exception) {
+            return $this->response($exception->getMessage());
+        }
+
+        return $user ? RESULT_SUCCESS : RESULT_FAILURE;
+    }
 }

app/Http/routes.php

@@ -308,6 +308,7 @@ Route::group(['middleware' => 'api', 'prefix' => 'api/v1'], function()
     Route::post('update_notifications', 'AccountApiController@updatePushNotifications');
     Route::get('dashboard', 'DashboardApiController@index');
     Route::resource('documents', 'DocumentAPIController');
+    Route::post('validate_outh_token', 'AccountApiController@validateOauthToken');
 
     // Vendor
     Route::resource('vendors', 'VendorApiController');

app/Services/AuthService.php

@@ -85,7 +85,7 @@ class AuthService
                 return redirect()->to('login');
             }
         }
-        
+
         $redirectTo = Input::get('redirect_to') ?: 'dashboard';
         return redirect()->to($redirectTo);
     }