refs #17496 [master] fixes last artifacts from #9700

* moves code bits for SSO redirection to correct module

module/finc/src/finc/Controller/MyResearchController.php

@@ -26,8 +26,9 @@
  * @link     https://vufind.org Main Site
  */
 namespace finc\Controller;
-
-use Zend\Log\LoggerAwareInterface as LoggerAwareInterface;
+use Zend\Log\LoggerAwareInterface as LoggerAwareInterface,
+    Zend\Mvc\MvcEvent as MvcEvent;
+use Zend\Mvc\Controller\Plugin\Url;
 
 /**
  * Controller for the user account area.
@@ -45,4 +46,26 @@ class MyResearchController extends \VuFind\Controller\MyResearchController imple
     use CustomTraits\AcquisitionTrait;
     use CustomTraits\EmailProfileTrait;
     use CustomTraits\ResetPasswordTrait;
+
+    /**
+     * Execute the request
+     *
+     * @param  MvcEvent $e
+     * @return mixed
+     * @throws Exception\DomainException
+     */
+    public function onDispatch(MvcEvent $e)
+    {
+        if ($redirect = $this->getRequest()->getQuery()->get('redirect')) {
+            //if we have a "redirect" param, the user should be lead to the given url,
+            //at least as long as his login is successful
+            //we achieve that by forcing the follow-up url to be the redirect
+            //but watch out, the redirect via followup will only work if the redirect url
+            //is schemed correctly
+            if (!is_string($redirect)) $this->flashMessenger()->addErrorMessage('Invalid data type for redirect');
+            elseif (!preg_match('/^https?\:\/\//',$redirect)) $this->flashMessenger()->addErrorMessage('Invalid Redirect: '.$redirect);
+            else $this->followup()->store(['finc-redirect' => $redirect]);
+        }
+        return parent::onDispatch($e);
+    }
 }