Redirect to original URL after oauth login

app/Controller/AuthController.php

@@ -64,20 +64,4 @@ class AuthController extends BaseController
             $this->response->redirect($this->helper->url->to('DashboardController', 'show'));
         }
     }
-
-    /**
-     * Redirect the user after the authentication
-     *
-     * @access private
-     */
-    private function redirectAfterLogin()
-    {
-        if (session_exists('redirectAfterLogin') && ! filter_var(session_get('redirectAfterLogin'), FILTER_VALIDATE_URL)) {
-            $redirect = session_get('redirectAfterLogin');
-            session_remove('redirectAfterLogin');
-            $this->response->redirect($redirect);
-        } else {
-            $this->response->redirect($this->helper->url->to('DashboardController', 'show'));
-        }
-    }
 }

app/Controller/BaseController.php

@@ -305,4 +305,20 @@ abstract class BaseController extends Base
 
         return $filter;
     }
+    
+    /**
+     * Redirect the user after the authentication
+     *
+     * @access protected
+     */
+    protected function redirectAfterLogin()
+    {
+        if (session_exists('redirectAfterLogin') && ! filter_var(session_get('redirectAfterLogin'), FILTER_VALIDATE_URL)) {
+            $redirect = session_get('redirectAfterLogin');
+            session_remove('redirectAfterLogin');
+            $this->response->redirect($redirect);
+        } else {
+            $this->response->redirect($this->helper->url->to('DashboardController', 'show'));
+        }
+    }
 }

app/Controller/OAuthController.php

@@ -106,7 +106,7 @@ class OAuthController extends BaseController
     protected function authenticate($providerName)
     {
         if ($this->authenticationManager->oauthAuthentication($providerName)) {
-            $this->response->redirect($this->helper->url->to('DashboardController', 'show'));
+            $this->redirectAfterLogin();
         } else {
             $this->authenticationFailure(t('External authentication failed'));
         }