1 files changed, 40 insertions, 0 deletions
diff --git a/lib/private/AppFramework/Middleware/AdditionalScriptsMiddleware.php b/lib/private/AppFramework/Middleware/AdditionalScriptsMiddleware.php
new file mode 100644
index 00000000000..4f1c69b104f
--- /dev/null
+++ b/lib/private/AppFramework/Middleware/AdditionalScriptsMiddleware.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\AppFramework\Middleware;
+
+use OC\Core\Controller\LoginController;
+use OCP\AppFramework\Http\Events\BeforeLoginTemplateRenderedEvent;
+use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
+use OCP\AppFramework\Http\Response;
+use OCP\AppFramework\Http\StandaloneTemplateResponse;
+use OCP\AppFramework\Http\TemplateResponse;
+use OCP\AppFramework\Middleware;
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\IUserSession;
+
+class AdditionalScriptsMiddleware extends Middleware {
+	public function __construct(
+		private IUserSession $userSession,
+		private IEventDispatcher $dispatcher,
+	) {
+	}
+
+	public function afterController($controller, $methodName, Response $response): Response {
+		if ($response instanceof TemplateResponse) {
+			if ($controller instanceof LoginController) {
+				$this->dispatcher->dispatchTyped(new BeforeLoginTemplateRenderedEvent($response));
+			} else {
+				$isLoggedIn = !($response instanceof StandaloneTemplateResponse) && $this->userSession->isLoggedIn();
+				$this->dispatcher->dispatchTyped(new BeforeTemplateRenderedEvent($isLoggedIn, $response));
+			}
+		}
+
+		return $response;
+	}
+}