diff --git a/AUTHORS b/AUTHORS
index 2831d0358349c..92a580c3ec521 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -336,6 +336,7 @@
  - nacho <nacho@ownyourbits.com>
  - Naoto Kobayashi <naoto.kobayashi4c@gmail.com>
  - Nazar Mokrynskyi <nazar@mokrynskyi.com>
+ - Nick Sweeting <git@sweeting.me>
  - Nicolai Ehemann <en@enlightened.de>
  - Nicolas Grekas <nicolas.grekas@gmail.com>
  - Nicolas SIMIDE <2083596+dems54@users.noreply.github.com>
diff --git a/apps/cloud_federation_api/appinfo/routes.php b/apps/cloud_federation_api/appinfo/routes.php
index ad508e1327789..6b0774627a4e9 100644
--- a/apps/cloud_federation_api/appinfo/routes.php
+++ b/apps/cloud_federation_api/appinfo/routes.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Maxence Lange <maxence@artificial-owl.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 return [
 	'routes' => [
diff --git a/apps/cloud_federation_api/lib/AppInfo/Application.php b/apps/cloud_federation_api/lib/AppInfo/Application.php
index 509e8322ba555..e34b2f2dc3dbb 100644
--- a/apps/cloud_federation_api/lib/AppInfo/Application.php
+++ b/apps/cloud_federation_api/lib/AppInfo/Application.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2018 Bjoern Schiessle <bjoern@schiessle.org>
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Morris Jobke <hey@morrisjobke.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\CloudFederationAPI\AppInfo;
 
diff --git a/apps/cloud_federation_api/lib/Capabilities.php b/apps/cloud_federation_api/lib/Capabilities.php
index ad7e0889ba59d..61cc45a24e625 100644
--- a/apps/cloud_federation_api/lib/Capabilities.php
+++ b/apps/cloud_federation_api/lib/Capabilities.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2017 Bjoern Schiessle <bjoern@schiessle.org>
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Kate Döen <kate.doeen@nextcloud.com>
- * @author Maxence Lange <maxence@artificial-owl.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\CloudFederationAPI;
diff --git a/apps/cloud_federation_api/lib/Config.php b/apps/cloud_federation_api/lib/Config.php
index 8611b7cef9c97..9aefca746a14b 100644
--- a/apps/cloud_federation_api/lib/Config.php
+++ b/apps/cloud_federation_api/lib/Config.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2018 Bjoern Schiessle <bjoern@schiessle.org>
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\CloudFederationAPI;
 
diff --git a/apps/cloud_federation_api/lib/Controller/RequestHandlerController.php b/apps/cloud_federation_api/lib/Controller/RequestHandlerController.php
index 0255e011ea4c2..5623ab930861e 100644
--- a/apps/cloud_federation_api/lib/Controller/RequestHandlerController.php
+++ b/apps/cloud_federation_api/lib/Controller/RequestHandlerController.php
@@ -1,28 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2018 Bjoern Schiessle <bjoern@schiessle.org>
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Maxence Lange <maxence@artificial-owl.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Kate Döen <kate.doeen@nextcloud.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\CloudFederationAPI\Controller;
 
diff --git a/apps/cloud_federation_api/lib/ResponseDefinitions.php b/apps/cloud_federation_api/lib/ResponseDefinitions.php
index 69090e6196f20..d9a55e13e0758 100644
--- a/apps/cloud_federation_api/lib/ResponseDefinitions.php
+++ b/apps/cloud_federation_api/lib/ResponseDefinitions.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2023 Kate Döen <kate.doeen@nextcloud.com>
- *
- * @author Kate Döen <kate.doeen@nextcloud.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\CloudFederationAPI;
diff --git a/apps/comments/appinfo/info.xml b/apps/comments/appinfo/info.xml
index 6a5cc098a0336..e9134c0367196 100644
--- a/apps/comments/appinfo/info.xml
+++ b/apps/comments/appinfo/info.xml
@@ -1,4 +1,9 @@
 <?xml version="1.0"?>
+<!--
+ - SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ - SPDX-License-Identifier: AGPL-3.0-only
+ -->
 <info xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
 	  xsi:noNamespaceSchemaLocation="https://apps.nextcloud.com/schema/apps/info.xsd">
 	<id>comments</id>
diff --git a/apps/comments/appinfo/routes.php b/apps/comments/appinfo/routes.php
index 8a7a60c4dcd41..903f1b2168c99 100644
--- a/apps/comments/appinfo/routes.php
+++ b/apps/comments/appinfo/routes.php
@@ -1,24 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 return [
 	'routes' => [
diff --git a/apps/comments/lib/Activity/Filter.php b/apps/comments/lib/Activity/Filter.php
index c46da1a162f87..6f010d855cbcf 100644
--- a/apps/comments/lib/Activity/Filter.php
+++ b/apps/comments/lib/Activity/Filter.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Activity;
 
diff --git a/apps/comments/lib/Activity/Listener.php b/apps/comments/lib/Activity/Listener.php
index 341b2e7ac65df..f49f2077a6162 100644
--- a/apps/comments/lib/Activity/Listener.php
+++ b/apps/comments/lib/Activity/Listener.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\Comments\Activity;
 
diff --git a/apps/comments/lib/Activity/Provider.php b/apps/comments/lib/Activity/Provider.php
index 2f0f8e314cb74..704ef0e0a4812 100644
--- a/apps/comments/lib/Activity/Provider.php
+++ b/apps/comments/lib/Activity/Provider.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Activity;
 
diff --git a/apps/comments/lib/Activity/Setting.php b/apps/comments/lib/Activity/Setting.php
index 4413388b53bf3..cc7c47784ac6e 100644
--- a/apps/comments/lib/Activity/Setting.php
+++ b/apps/comments/lib/Activity/Setting.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Activity;
 
diff --git a/apps/comments/lib/AppInfo/Application.php b/apps/comments/lib/AppInfo/Application.php
index a6d6d9fb78d91..8951387b362b7 100644
--- a/apps/comments/lib/AppInfo/Application.php
+++ b/apps/comments/lib/AppInfo/Application.php
@@ -1,28 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016, Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\AppInfo;
 
diff --git a/apps/comments/lib/Capabilities.php b/apps/comments/lib/Capabilities.php
index 597f248412c7d..2057803d8672e 100644
--- a/apps/comments/lib/Capabilities.php
+++ b/apps/comments/lib/Capabilities.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments;
 
diff --git a/apps/comments/lib/Collaboration/CommentersSorter.php b/apps/comments/lib/Collaboration/CommentersSorter.php
index b30c91ea2e859..46fec87c7770a 100644
--- a/apps/comments/lib/Collaboration/CommentersSorter.php
+++ b/apps/comments/lib/Collaboration/CommentersSorter.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Collaboration;
 
diff --git a/apps/comments/lib/Controller/NotificationsController.php b/apps/comments/lib/Controller/NotificationsController.php
index 1e1f0e563e228..408efc4697379 100644
--- a/apps/comments/lib/Controller/NotificationsController.php
+++ b/apps/comments/lib/Controller/NotificationsController.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Controller;
 
diff --git a/apps/comments/lib/EventHandler.php b/apps/comments/lib/EventHandler.php
index b3a6e5b754b71..3ad76941444c2 100644
--- a/apps/comments/lib/EventHandler.php
+++ b/apps/comments/lib/EventHandler.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments;
 
diff --git a/apps/comments/lib/Listener/CommentsEntityEventListener.php b/apps/comments/lib/Listener/CommentsEntityEventListener.php
index 3afd2b361b83b..5aeeb3c63ea6c 100644
--- a/apps/comments/lib/Listener/CommentsEntityEventListener.php
+++ b/apps/comments/lib/Listener/CommentsEntityEventListener.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Listener;
 
diff --git a/apps/comments/lib/Listener/LoadAdditionalScripts.php b/apps/comments/lib/Listener/LoadAdditionalScripts.php
index 614e8e2a6a749..81e1bfe531028 100644
--- a/apps/comments/lib/Listener/LoadAdditionalScripts.php
+++ b/apps/comments/lib/Listener/LoadAdditionalScripts.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Listener;
 
diff --git a/apps/comments/lib/Listener/LoadSidebarScripts.php b/apps/comments/lib/Listener/LoadSidebarScripts.php
index 1e2864728a200..906fe40fed250 100644
--- a/apps/comments/lib/Listener/LoadSidebarScripts.php
+++ b/apps/comments/lib/Listener/LoadSidebarScripts.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Listener;
 
diff --git a/apps/comments/lib/MaxAutoCompleteResultsInitialState.php b/apps/comments/lib/MaxAutoCompleteResultsInitialState.php
index ed0db5927cf2c..b4c8f8719db4c 100644
--- a/apps/comments/lib/MaxAutoCompleteResultsInitialState.php
+++ b/apps/comments/lib/MaxAutoCompleteResultsInitialState.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2021 Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments;
 
diff --git a/apps/comments/lib/Notification/Listener.php b/apps/comments/lib/Notification/Listener.php
index c3d409f8d0671..44fb8fe3f4c4b 100644
--- a/apps/comments/lib/Notification/Listener.php
+++ b/apps/comments/lib/Notification/Listener.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\Comments\Notification;
 
diff --git a/apps/comments/lib/Notification/Notifier.php b/apps/comments/lib/Notification/Notifier.php
index 9501c8b954c14..4f114f22ef8f5 100644
--- a/apps/comments/lib/Notification/Notifier.php
+++ b/apps/comments/lib/Notification/Notifier.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\Comments\Notification;
 
diff --git a/apps/comments/lib/Search/CommentsSearchProvider.php b/apps/comments/lib/Search/CommentsSearchProvider.php
index 7d7e255d27823..87a658cab1c6c 100644
--- a/apps/comments/lib/Search/CommentsSearchProvider.php
+++ b/apps/comments/lib/Search/CommentsSearchProvider.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Search;
 
diff --git a/apps/comments/lib/Search/LegacyProvider.php b/apps/comments/lib/Search/LegacyProvider.php
index 55f7ef8eeb90c..3dbc51bbf38c1 100644
--- a/apps/comments/lib/Search/LegacyProvider.php
+++ b/apps/comments/lib/Search/LegacyProvider.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Search;
 
diff --git a/apps/comments/lib/Search/Result.php b/apps/comments/lib/Search/Result.php
index f4abf3864c162..f9bdc71f0a3ac 100644
--- a/apps/comments/lib/Search/Result.php
+++ b/apps/comments/lib/Search/Result.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Michał Węgrzynek <michal.wegrzynek@malloc.com.pl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Search;
 
diff --git a/apps/comments/src/actions/inlineUnreadCommentsAction.spec.ts b/apps/comments/src/actions/inlineUnreadCommentsAction.spec.ts
index aabbf42fadb3a..dc8892769e368 100644
--- a/apps/comments/src/actions/inlineUnreadCommentsAction.spec.ts
+++ b/apps/comments/src/actions/inlineUnreadCommentsAction.spec.ts
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2023 Lucas Azevedo <lhs_azevedo@hotmail.com>
- *
- * @author Lucas Azevedo <lhs_azevedo@hotmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 import { action } from './inlineUnreadCommentsAction'
 import { expect } from '@jest/globals'
diff --git a/apps/comments/src/actions/inlineUnreadCommentsAction.ts b/apps/comments/src/actions/inlineUnreadCommentsAction.ts
index b537923b30e94..0afd93d7606bd 100644
--- a/apps/comments/src/actions/inlineUnreadCommentsAction.ts
+++ b/apps/comments/src/actions/inlineUnreadCommentsAction.ts
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2023 Lucas Azevedo <lhs_azevedo@hotmail.com>
- *
- * @author Lucas Azevedo <lhs_azevedo@hotmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 import { FileAction, Node } from '@nextcloud/files'
 import { translate as t, translatePlural as n } from '@nextcloud/l10n'
diff --git a/apps/comments/src/comments-activity-tab.ts b/apps/comments/src/comments-activity-tab.ts
index 0cb3bf70bbb54..765777884f286 100644
--- a/apps/comments/src/comments-activity-tab.ts
+++ b/apps/comments/src/comments-activity-tab.ts
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2023 Ferdinand Thiessen <opensource@fthiessen.de>
- *
- * @author Ferdinand Thiessen <opensource@fthiessen.de>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 import moment from '@nextcloud/moment'
 import Vue from 'vue'
diff --git a/apps/comments/src/comments-app.js b/apps/comments/src/comments-app.js
index eca3deb8b24fa..a91a4bb37bb61 100644
--- a/apps/comments/src/comments-app.js
+++ b/apps/comments/src/comments-app.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import CommentsInstance from './services/CommentsInstance.js'
diff --git a/apps/comments/src/comments-tab.js b/apps/comments/src/comments-tab.js
index 73038412bd306..c9b3449e05e68 100644
--- a/apps/comments/src/comments-tab.js
+++ b/apps/comments/src/comments-tab.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 // eslint-disable-next-line n/no-missing-import, import/no-unresolved
diff --git a/apps/comments/src/components/Comment.vue b/apps/comments/src/components/Comment.vue
index 912eeb287487b..c883f9b848ba1 100644
--- a/apps/comments/src/components/Comment.vue
+++ b/apps/comments/src/components/Comment.vue
@@ -1,24 +1,7 @@
 <!--
-  - @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
-  -
-  - @author John Molakvoæ <skjnldsv@protonmail.com>
-  -
-  - @license GNU AGPL version 3 or any later version
-  -
-  - This program is free software: you can redistribute it and/or modify
-  - it under the terms of the GNU Affero General Public License as
-  - published by the Free Software Foundation, either version 3 of the
-  - License, or (at your option) any later version.
-  -
-  - This program is distributed in the hope that it will be useful,
-  - but WITHOUT ANY WARRANTY; without even the implied warranty of
-  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  - GNU Affero General Public License for more details.
-  -
-  - You should have received a copy of the GNU Affero General Public License
-  - along with this program. If not, see <http://www.gnu.org/licenses/>.
-  -
-  -->
+  - SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+  - SPDX-License-Identifier: AGPL-3.0-or-later
+-->
 <template>
 	<component :is="tag"
 		v-show="!deleted"
diff --git a/apps/comments/src/init.ts b/apps/comments/src/init.ts
index 448720d34d2f1..675274b1b40a5 100644
--- a/apps/comments/src/init.ts
+++ b/apps/comments/src/init.ts
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2023 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 import { registerFileAction } from '@nextcloud/files'
 import { action } from './actions/inlineUnreadCommentsAction'
diff --git a/apps/comments/src/logger.js b/apps/comments/src/logger.js
index d96e85dd92e3d..a51bc6d750ba8 100644
--- a/apps/comments/src/logger.js
+++ b/apps/comments/src/logger.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2023 Lucas Azevedo <lhs_azevedo@hotmail.com>
- *
- * @author Lucas Azevedo <lhs_azevedo@hotmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import { getLoggerBuilder } from '@nextcloud/logger'
diff --git a/apps/comments/src/mixins/CommentMixin.js b/apps/comments/src/mixins/CommentMixin.js
index cf93dead9bab1..bbf7189a6107e 100644
--- a/apps/comments/src/mixins/CommentMixin.js
+++ b/apps/comments/src/mixins/CommentMixin.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import { showError, showUndo, TOAST_UNDO_TIMEOUT } from '@nextcloud/dialogs'
diff --git a/apps/comments/src/mixins/CommentView.ts b/apps/comments/src/mixins/CommentView.ts
index a49e33f7fd561..c6cb3aa9ee094 100644
--- a/apps/comments/src/mixins/CommentView.ts
+++ b/apps/comments/src/mixins/CommentView.ts
@@ -1,3 +1,7 @@
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
 import axios from '@nextcloud/axios'
 import { getCurrentUser } from '@nextcloud/auth'
 import { loadState } from '@nextcloud/initial-state'
diff --git a/apps/comments/src/services/CommentsInstance.js b/apps/comments/src/services/CommentsInstance.js
index f71763a559183..ae6b45a95f26f 100644
--- a/apps/comments/src/services/CommentsInstance.js
+++ b/apps/comments/src/services/CommentsInstance.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import { translate as t, translatePlural as n } from '@nextcloud/l10n'
diff --git a/apps/comments/src/services/DavClient.js b/apps/comments/src/services/DavClient.js
index 78bc056357e4b..6202294b52f47 100644
--- a/apps/comments/src/services/DavClient.js
+++ b/apps/comments/src/services/DavClient.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2021 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import { createClient } from 'webdav'
diff --git a/apps/comments/src/services/DeleteComment.js b/apps/comments/src/services/DeleteComment.js
index ecfc0fe8b652b..1ed63d7836a54 100644
--- a/apps/comments/src/services/DeleteComment.js
+++ b/apps/comments/src/services/DeleteComment.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import client from './DavClient.js'
diff --git a/apps/comments/src/services/EditComment.js b/apps/comments/src/services/EditComment.js
index 1462e99d1db48..4ec33415a72bd 100644
--- a/apps/comments/src/services/EditComment.js
+++ b/apps/comments/src/services/EditComment.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import client from './DavClient.js'
diff --git a/apps/comments/src/services/GetComments.ts b/apps/comments/src/services/GetComments.ts
index 0736632192d8d..1e24c8ede8e7b 100644
--- a/apps/comments/src/services/GetComments.ts
+++ b/apps/comments/src/services/GetComments.ts
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import { parseXML, type DAVResult, type FileStat, type ResponseDataDetailed } from 'webdav'
diff --git a/apps/comments/src/services/NewComment.js b/apps/comments/src/services/NewComment.js
index e82f25efe2ad2..663b4d72e0269 100644
--- a/apps/comments/src/services/NewComment.js
+++ b/apps/comments/src/services/NewComment.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import { getCurrentUser } from '@nextcloud/auth'
diff --git a/apps/comments/src/services/ReadComments.ts b/apps/comments/src/services/ReadComments.ts
index ff29026098ae1..73682e21d954e 100644
--- a/apps/comments/src/services/ReadComments.ts
+++ b/apps/comments/src/services/ReadComments.ts
@@ -1,23 +1,6 @@
 /**
- * @copyright 2023 Christopher Ng <chrng8@gmail.com>
- *
- * @author Christopher Ng <chrng8@gmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import client from './DavClient.js'
diff --git a/apps/comments/src/utils/cancelableRequest.js b/apps/comments/src/utils/cancelableRequest.js
index 1973de38903b4..47baa5050831c 100644
--- a/apps/comments/src/utils/cancelableRequest.js
+++ b/apps/comments/src/utils/cancelableRequest.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 /**
diff --git a/apps/comments/src/utils/davUtils.js b/apps/comments/src/utils/davUtils.js
index 1a2686bbdab1f..33efc8e7d10ea 100644
--- a/apps/comments/src/utils/davUtils.js
+++ b/apps/comments/src/utils/davUtils.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import { generateRemoteUrl } from '@nextcloud/router'
diff --git a/apps/comments/src/utils/decodeHtmlEntities.js b/apps/comments/src/utils/decodeHtmlEntities.js
index 60c08163faaa6..4c4929542569f 100644
--- a/apps/comments/src/utils/decodeHtmlEntities.js
+++ b/apps/comments/src/utils/decodeHtmlEntities.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2021 Christopher Ng <chrng8@gmail.com>
- *
- * @author Christopher Ng <chrng8@gmail.com>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 /**
diff --git a/apps/comments/src/views/ActivityCommentAction.vue b/apps/comments/src/views/ActivityCommentAction.vue
index 1bdeca883f730..f9a9a97796fe5 100644
--- a/apps/comments/src/views/ActivityCommentAction.vue
+++ b/apps/comments/src/views/ActivityCommentAction.vue
@@ -1,24 +1,7 @@
 <!--
-  - @copyright Copyright (c) 2023 Ferdinand Thiessen <opensource@fthiessen.de>
-  -
-  - @author Ferdinand Thiessen <opensource@fthiessen.de>
-  -
-  - @license AGPL-3.0-or-later
-  -
-  - This program is free software: you can redistribute it and/or modify
-  - it under the terms of the GNU Affero General Public License as
-  - published by the Free Software Foundation, either version 3 of the
-  - License, or (at your option) any later version.
-  -
-  - This program is distributed in the hope that it will be useful,
-  - but WITHOUT ANY WARRANTY; without even the implied warranty of
-  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  - GNU Affero General Public License for more details.
-  -
-  - You should have received a copy of the GNU Affero General Public License
-  - along with this program. If not, see <http://www.gnu.org/licenses/>.
-  -
-  -->
+  - SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+  - SPDX-License-Identifier: AGPL-3.0-or-later
+-->
 
 <template>
 	<Comment v-bind="editorData"
diff --git a/apps/comments/src/views/ActivityCommentEntry.vue b/apps/comments/src/views/ActivityCommentEntry.vue
index 38fc2d5f1ef2d..4f7dde2c7d843 100644
--- a/apps/comments/src/views/ActivityCommentEntry.vue
+++ b/apps/comments/src/views/ActivityCommentEntry.vue
@@ -1,24 +1,7 @@
 <!--
-  - @copyright Copyright (c) 2023 Ferdinand Thiessen <opensource@fthiessen.de>
-  -
-  - @author Ferdinand Thiessen <opensource@fthiessen.de>
-  -
-  - @license AGPL-3.0-or-later
-  -
-  - This program is free software: you can redistribute it and/or modify
-  - it under the terms of the GNU Affero General Public License as
-  - published by the Free Software Foundation, either version 3 of the
-  - License, or (at your option) any later version.
-  -
-  - This program is distributed in the hope that it will be useful,
-  - but WITHOUT ANY WARRANTY; without even the implied warranty of
-  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  - GNU Affero General Public License for more details.
-  -
-  - You should have received a copy of the GNU Affero General Public License
-  - along with this program. If not, see <http://www.gnu.org/licenses/>.
-  -
-  -->
+  - SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+  - SPDX-License-Identifier: AGPL-3.0-or-later
+-->
 
 <template>
 	<Comment ref="comment"
diff --git a/apps/comments/src/views/Comments.vue b/apps/comments/src/views/Comments.vue
index f6fb438759636..3c30b5af94244 100644
--- a/apps/comments/src/views/Comments.vue
+++ b/apps/comments/src/views/Comments.vue
@@ -1,25 +1,7 @@
 <!--
-  - @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
-  -
-  - @author John Molakvoæ <skjnldsv@protonmail.com>
-  - @author Richard Steinmetz <richard@steinmetz.cloud>
-  -
-  - @license GNU AGPL version 3 or any later version
-  -
-  - This program is free software: you can redistribute it and/or modify
-  - it under the terms of the GNU Affero General Public License as
-  - published by the Free Software Foundation, either version 3 of the
-  - License, or (at your option) any later version.
-  -
-  - This program is distributed in the hope that it will be useful,
-  - but WITHOUT ANY WARRANTY; without even the implied warranty of
-  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  - GNU Affero General Public License for more details.
-  -
-  - You should have received a copy of the GNU Affero General Public License
-  - along with this program. If not, see <http://www.gnu.org/licenses/>.
-  -
-  -->
+  - SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+  - SPDX-License-Identifier: AGPL-3.0-or-later
+-->
 
 <template>
 	<div v-element-visibility="onVisibilityChange"
diff --git a/apps/comments/tests/Unit/Activity/ListenerTest.php b/apps/comments/tests/Unit/Activity/ListenerTest.php
index 9bd0bcfb60c41..c1606aee745c3 100644
--- a/apps/comments/tests/Unit/Activity/ListenerTest.php
+++ b/apps/comments/tests/Unit/Activity/ListenerTest.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2018 Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Tests\Unit\Activity;
 
diff --git a/apps/comments/tests/Unit/AppInfo/ApplicationTest.php b/apps/comments/tests/Unit/AppInfo/ApplicationTest.php
index a0ec722b36821..c4e9bc7d45da0 100644
--- a/apps/comments/tests/Unit/AppInfo/ApplicationTest.php
+++ b/apps/comments/tests/Unit/AppInfo/ApplicationTest.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\Comments\Tests\Unit\AppInfo;
 
diff --git a/apps/comments/tests/Unit/Collaboration/CommentersSorterTest.php b/apps/comments/tests/Unit/Collaboration/CommentersSorterTest.php
index fe833e14a3bfb..0a67a699f86e3 100644
--- a/apps/comments/tests/Unit/Collaboration/CommentersSorterTest.php
+++ b/apps/comments/tests/Unit/Collaboration/CommentersSorterTest.php
@@ -1,27 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Tests\Unit\Collaboration;
 
diff --git a/apps/comments/tests/Unit/Controller/NotificationsTest.php b/apps/comments/tests/Unit/Controller/NotificationsTest.php
index 4ccb553739bfa..03eba79e6c8d3 100644
--- a/apps/comments/tests/Unit/Controller/NotificationsTest.php
+++ b/apps/comments/tests/Unit/Controller/NotificationsTest.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\Comments\Tests\Unit\Controller;
 
diff --git a/apps/comments/tests/Unit/EventHandlerTest.php b/apps/comments/tests/Unit/EventHandlerTest.php
index 619cb31a71400..6c3277a60b2d2 100644
--- a/apps/comments/tests/Unit/EventHandlerTest.php
+++ b/apps/comments/tests/Unit/EventHandlerTest.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Tests\Unit\Notification;
 
diff --git a/apps/comments/tests/Unit/Notification/ListenerTest.php b/apps/comments/tests/Unit/Notification/ListenerTest.php
index b70c00a22cdea..a81753b3e3495 100644
--- a/apps/comments/tests/Unit/Notification/ListenerTest.php
+++ b/apps/comments/tests/Unit/Notification/ListenerTest.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\Comments\Tests\Unit\Notification;
 
diff --git a/apps/comments/tests/Unit/Notification/NotifierTest.php b/apps/comments/tests/Unit/Notification/NotifierTest.php
index e94f0686f18e2..8830ca37265ca 100644
--- a/apps/comments/tests/Unit/Notification/NotifierTest.php
+++ b/apps/comments/tests/Unit/Notification/NotifierTest.php
@@ -1,28 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Comments\Tests\Unit\Notification;
 
diff --git a/apps/contactsinteraction/lib/AddressBook.php b/apps/contactsinteraction/lib/AddressBook.php
index d830146cfc62a..dfa66ff6737ce 100644
--- a/apps/contactsinteraction/lib/AddressBook.php
+++ b/apps/contactsinteraction/lib/AddressBook.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction;
 
diff --git a/apps/contactsinteraction/lib/AddressBookProvider.php b/apps/contactsinteraction/lib/AddressBookProvider.php
index 835d2d25652fd..bf85409a1432e 100644
--- a/apps/contactsinteraction/lib/AddressBookProvider.php
+++ b/apps/contactsinteraction/lib/AddressBookProvider.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction;
 
diff --git a/apps/contactsinteraction/lib/AppInfo/Application.php b/apps/contactsinteraction/lib/AppInfo/Application.php
index 21260cf18d0a6..b844ee1699ccb 100644
--- a/apps/contactsinteraction/lib/AppInfo/Application.php
+++ b/apps/contactsinteraction/lib/AppInfo/Application.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Morris Jobke <hey@morrisjobke.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction\AppInfo;
 
diff --git a/apps/contactsinteraction/lib/BackgroundJob/CleanupJob.php b/apps/contactsinteraction/lib/BackgroundJob/CleanupJob.php
index 0291f8ae6bc75..38fd0e155313c 100644
--- a/apps/contactsinteraction/lib/BackgroundJob/CleanupJob.php
+++ b/apps/contactsinteraction/lib/BackgroundJob/CleanupJob.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction\BackgroundJob;
 
diff --git a/apps/contactsinteraction/lib/Card.php b/apps/contactsinteraction/lib/Card.php
index b7f4500275271..c937c383d9030 100644
--- a/apps/contactsinteraction/lib/Card.php
+++ b/apps/contactsinteraction/lib/Card.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction;
 
diff --git a/apps/contactsinteraction/lib/Db/CardSearchDao.php b/apps/contactsinteraction/lib/Db/CardSearchDao.php
index 7fd8cb2ab3c66..962f9ff768bcf 100644
--- a/apps/contactsinteraction/lib/Db/CardSearchDao.php
+++ b/apps/contactsinteraction/lib/Db/CardSearchDao.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction\Db;
 
diff --git a/apps/contactsinteraction/lib/Db/RecentContact.php b/apps/contactsinteraction/lib/Db/RecentContact.php
index 7160ef1077ba4..581b4b292ca0b 100644
--- a/apps/contactsinteraction/lib/Db/RecentContact.php
+++ b/apps/contactsinteraction/lib/Db/RecentContact.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction\Db;
 
diff --git a/apps/contactsinteraction/lib/Db/RecentContactMapper.php b/apps/contactsinteraction/lib/Db/RecentContactMapper.php
index 257c888e8185d..e0b2ac723fbea 100644
--- a/apps/contactsinteraction/lib/Db/RecentContactMapper.php
+++ b/apps/contactsinteraction/lib/Db/RecentContactMapper.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction\Db;
 
diff --git a/apps/contactsinteraction/lib/Listeners/ContactInteractionListener.php b/apps/contactsinteraction/lib/Listeners/ContactInteractionListener.php
index 2222e0ad8d7a3..ac0cd92751296 100644
--- a/apps/contactsinteraction/lib/Listeners/ContactInteractionListener.php
+++ b/apps/contactsinteraction/lib/Listeners/ContactInteractionListener.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction\Listeners;
 
diff --git a/apps/contactsinteraction/lib/Migration/Version010000Date20200304152605.php b/apps/contactsinteraction/lib/Migration/Version010000Date20200304152605.php
index 5f75c11d7e819..d3298702519e0 100644
--- a/apps/contactsinteraction/lib/Migration/Version010000Date20200304152605.php
+++ b/apps/contactsinteraction/lib/Migration/Version010000Date20200304152605.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction\Migration;
 
diff --git a/apps/contactsinteraction/tests/Db/RecentContactMapperTest.php b/apps/contactsinteraction/tests/Db/RecentContactMapperTest.php
index f0a4ddcaac4fe..a8e8ca3e1fb12 100644
--- a/apps/contactsinteraction/tests/Db/RecentContactMapperTest.php
+++ b/apps/contactsinteraction/tests/Db/RecentContactMapperTest.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2020 Daniel Kesselberg <mail@danielkesselberg.de>
- *
- * @author Daniel Kesselberg <mail@danielkesselberg.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\ContactsInteraction\Tests\Db;
 
diff --git a/apps/dashboard/.l10nignore b/apps/dashboard/.l10nignore
index ea53c49c185e6..91aefac85dc5b 100644
--- a/apps/dashboard/.l10nignore
+++ b/apps/dashboard/.l10nignore
@@ -1,2 +1,4 @@
+# SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
 #webpack bundled files
 js/
diff --git a/apps/dashboard/README.md b/apps/dashboard/README.md
index c6a6444aa760e..bcadd1a30e130 100644
--- a/apps/dashboard/README.md
+++ b/apps/dashboard/README.md
@@ -1,3 +1,7 @@
+<!--
+ - SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
 # Dashboard
 
 Background image documentation moved to theming folder at `apps/theming/README.md`.
\ No newline at end of file
diff --git a/apps/dashboard/css/dashboard.scss b/apps/dashboard/css/dashboard.scss
index de68786b4ac28..1ae2633d05a5f 100644
--- a/apps/dashboard/css/dashboard.scss
+++ b/apps/dashboard/css/dashboard.scss
@@ -1,3 +1,7 @@
+/*!
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
 #header {
 	background: transparent !important;
 	--color-header: rgba(24, 24, 24, 1);
diff --git a/apps/dashboard/lib/Controller/DashboardApiController.php b/apps/dashboard/lib/Controller/DashboardApiController.php
index b6ebb4625b5a0..a955796507609 100644
--- a/apps/dashboard/lib/Controller/DashboardApiController.php
+++ b/apps/dashboard/lib/Controller/DashboardApiController.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2021 Julien Veyssier <eneiluj@posteo.net>
- *
- * @author Julien Veyssier <eneiluj@posteo.net>
- * @author Kate Döen <kate.doeen@nextcloud.com>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\Dashboard\Controller;
diff --git a/apps/dashboard/lib/Controller/DashboardController.php b/apps/dashboard/lib/Controller/DashboardController.php
index f07fd4938d31a..9c1ab7813f297 100644
--- a/apps/dashboard/lib/Controller/DashboardController.php
+++ b/apps/dashboard/lib/Controller/DashboardController.php
@@ -3,30 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
- *
- * @author Julien Veyssier <eneiluj@posteo.net>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Kate Döen <kate.doeen@nextcloud.com>
- * @author Eduardo Morales <eduardo.morales@nextcloud.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Dashboard\Controller;
 
diff --git a/apps/dashboard/lib/ResponseDefinitions.php b/apps/dashboard/lib/ResponseDefinitions.php
index 5592af1a32483..df76efdab5af6 100644
--- a/apps/dashboard/lib/ResponseDefinitions.php
+++ b/apps/dashboard/lib/ResponseDefinitions.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2023 Kate Döen <kate.doeen@nextcloud.com>
- *
- * @author Kate Döen <kate.doeen@nextcloud.com>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\Dashboard;
diff --git a/apps/dashboard/lib/Service/DashboardService.php b/apps/dashboard/lib/Service/DashboardService.php
index 8b8808266282b..041d4a5c77243 100644
--- a/apps/dashboard/lib/Service/DashboardService.php
+++ b/apps/dashboard/lib/Service/DashboardService.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2024, Kate Döen <kate.doeen@nextcloud.com>
- *
- * @author Kate Döen <kate.doeen@nextcloud.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Dashboard\Service;
 
diff --git a/apps/dashboard/src/DashboardApp.vue b/apps/dashboard/src/DashboardApp.vue
index 83fbe7d3b53ef..daa99a27d2c9f 100644
--- a/apps/dashboard/src/DashboardApp.vue
+++ b/apps/dashboard/src/DashboardApp.vue
@@ -1,3 +1,7 @@
+<!--
+ - SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
 <template>
 	<div id="app-dashboard">
 		<h2>{{ greeting.text }}</h2>
diff --git a/apps/dashboard/src/components/ApiDashboardWidget.vue b/apps/dashboard/src/components/ApiDashboardWidget.vue
index daa97fc54282d..c956a2e10232f 100644
--- a/apps/dashboard/src/components/ApiDashboardWidget.vue
+++ b/apps/dashboard/src/components/ApiDashboardWidget.vue
@@ -1,25 +1,7 @@
 <!--
-  - @copyright Copyright (c) 2023 Richard Steinmetz <richard@steinmetz.cloud>
-  -
-  - @author Richard Steinmetz <richard@steinmetz.cloud>
-  -
-  - @license AGPL-3.0-or-later
-  -
-  - This program is free software: you can redistribute it and/or modify
-  - it under the terms of the GNU General Public License as published by
-  - the Free Software Foundation, either version 3 of the License, or
-  - (at your option) any later version.
-  -
-  - This program is distributed in the hope that it will be useful,
-  - but WITHOUT ANY WARRANTY; without even the implied warranty of
-  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  - GNU General Public License for more details.
-  -
-  - You should have received a copy of the GNU General Public License
-  - along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  -
-  -->
-
+ - SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
 <template>
 	<NcDashboardWidget :items="items"
 		:show-more-label="showMoreLabel"
diff --git a/apps/dashboard/src/main.js b/apps/dashboard/src/main.js
index 18374f823c1e8..f8b92669197a0 100644
--- a/apps/dashboard/src/main.js
+++ b/apps/dashboard/src/main.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2016 Julius Härtl <jus@bitgrid.net>
- *
- * @author Julius Härtl <jus@bitgrid.net>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 import Vue from 'vue'
diff --git a/apps/dashboard/src/mixins/isMobile.js b/apps/dashboard/src/mixins/isMobile.js
index 6bae7219fe646..d4062f8c7e099 100644
--- a/apps/dashboard/src/mixins/isMobile.js
+++ b/apps/dashboard/src/mixins/isMobile.js
@@ -1,23 +1,6 @@
 /**
- * @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
- *
- * @author Julius Härtl <jus@bitgrid.net>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 export default {
diff --git a/apps/dashboard/templates/index.php b/apps/dashboard/templates/index.php
index 33fb41d3b78c5..53222710b987e 100644
--- a/apps/dashboard/templates/index.php
+++ b/apps/dashboard/templates/index.php
@@ -1 +1,8 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+?>
 <div id="app-content-vue"></div>
diff --git a/apps/dav/appinfo/routes.php b/apps/dav/appinfo/routes.php
index 529bd0781fa8b..820b034d7a725 100644
--- a/apps/dav/appinfo/routes.php
+++ b/apps/dav/appinfo/routes.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright 2017, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 return [
 	'routes' => [
diff --git a/apps/dav/appinfo/v1/caldav.php b/apps/dav/appinfo/v1/caldav.php
index e7924d9eedc50..faa277285f6fb 100644
--- a/apps/dav/appinfo/v1/caldav.php
+++ b/apps/dav/appinfo/v1/caldav.php
@@ -1,29 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 // Backends
 use OC\KnownUser\KnownUserService;
diff --git a/apps/dav/appinfo/v1/carddav.php b/apps/dav/appinfo/v1/carddav.php
index 70e5de1b481d9..4466063d8dc15 100644
--- a/apps/dav/appinfo/v1/carddav.php
+++ b/apps/dav/appinfo/v1/carddav.php
@@ -1,31 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 // Backends
 use OC\KnownUser\KnownUserService;
diff --git a/apps/dav/appinfo/v1/publicwebdav.php b/apps/dav/appinfo/v1/publicwebdav.php
index 8aa084a1114b3..dd4b592bd140e 100644
--- a/apps/dav/appinfo/v1/publicwebdav.php
+++ b/apps/dav/appinfo/v1/publicwebdav.php
@@ -1,33 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 use OCP\BeforeSabrePubliclyLoadedEvent;
diff --git a/apps/dav/appinfo/v1/webdav.php b/apps/dav/appinfo/v1/webdav.php
index ed02b4c259ae9..1683c29ca80f5 100644
--- a/apps/dav/appinfo/v1/webdav.php
+++ b/apps/dav/appinfo/v1/webdav.php
@@ -1,32 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Ko- <k.stoffelen@cs.ru.nl>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 use Psr\Log\LoggerInterface;
 
diff --git a/apps/dav/appinfo/v2/direct.php b/apps/dav/appinfo/v2/direct.php
index 37e4feeb6e041..46443a60f8a87 100644
--- a/apps/dav/appinfo/v2/direct.php
+++ b/apps/dav/appinfo/v2/direct.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 use OCA\DAV\Direct\ServerFactory;
 
diff --git a/apps/dav/appinfo/v2/publicremote.php b/apps/dav/appinfo/v2/publicremote.php
index 0381614a32889..5f20c94c574f4 100644
--- a/apps/dav/appinfo/v2/publicremote.php
+++ b/apps/dav/appinfo/v2/publicremote.php
@@ -1,33 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2020-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 use OC\Files\Filesystem;
diff --git a/apps/dav/appinfo/v2/remote.php b/apps/dav/appinfo/v2/remote.php
index 5d4fb46c40785..73031c0794fd0 100644
--- a/apps/dav/appinfo/v2/remote.php
+++ b/apps/dav/appinfo/v2/remote.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Ko- <k.stoffelen@cs.ru.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 // no php execution timeout for webdav
 if (!str_contains(@ini_get('disable_functions'), 'set_time_limit')) {
diff --git a/apps/dav/css/schedule-response.css b/apps/dav/css/schedule-response.css
index 789ea16df7ae1..514627664534e 100644
--- a/apps/dav/css/schedule-response.css
+++ b/apps/dav/css/schedule-response.css
@@ -1,3 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
 /* Database selector on install page */
 form #selectPartStatForm {
   text-align:center;
diff --git a/apps/dav/lib/AppInfo/Application.php b/apps/dav/lib/AppInfo/Application.php
index 5841d9ec24111..143217384ba2d 100644
--- a/apps/dav/lib/AppInfo/Application.php
+++ b/apps/dav/lib/AppInfo/Application.php
@@ -3,32 +3,9 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Tobia De Koninck <tobia@ledfan.be>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\AppInfo;
 
diff --git a/apps/dav/lib/AppInfo/PluginManager.php b/apps/dav/lib/AppInfo/PluginManager.php
index 828818455f75b..43fd16ebeb69a 100644
--- a/apps/dav/lib/AppInfo/PluginManager.php
+++ b/apps/dav/lib/AppInfo/PluginManager.php
@@ -3,28 +3,9 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2016, ownCloud GmbH.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud GmbH.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\AppInfo;
 
diff --git a/apps/dav/lib/Avatars/AvatarHome.php b/apps/dav/lib/Avatars/AvatarHome.php
index 097307f452f73..1f86941e592c6 100644
--- a/apps/dav/lib/Avatars/AvatarHome.php
+++ b/apps/dav/lib/Avatars/AvatarHome.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud GmbH
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2017 ownCloud GmbH
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Avatars;
 
diff --git a/apps/dav/lib/Avatars/AvatarNode.php b/apps/dav/lib/Avatars/AvatarNode.php
index ade523561f2f9..3931ce3ff7192 100644
--- a/apps/dav/lib/Avatars/AvatarNode.php
+++ b/apps/dav/lib/Avatars/AvatarNode.php
@@ -1,24 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud GmbH
- *
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2017 ownCloud GmbH
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Avatars;
 
diff --git a/apps/dav/lib/Avatars/RootCollection.php b/apps/dav/lib/Avatars/RootCollection.php
index c5e78624d4473..1f05274944c1c 100644
--- a/apps/dav/lib/Avatars/RootCollection.php
+++ b/apps/dav/lib/Avatars/RootCollection.php
@@ -1,26 +1,8 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2017 ownCloud GmbH
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Avatars;
 
diff --git a/apps/dav/lib/BackgroundJob/BuildReminderIndexBackgroundJob.php b/apps/dav/lib/BackgroundJob/BuildReminderIndexBackgroundJob.php
index d1cafbf57c2be..d908cd3ae82bd 100644
--- a/apps/dav/lib/BackgroundJob/BuildReminderIndexBackgroundJob.php
+++ b/apps/dav/lib/BackgroundJob/BuildReminderIndexBackgroundJob.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2019 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/CalendarRetentionJob.php b/apps/dav/lib/BackgroundJob/CalendarRetentionJob.php
index 96ceb64448919..2de9c6d00ee39 100644
--- a/apps/dav/lib/BackgroundJob/CalendarRetentionJob.php
+++ b/apps/dav/lib/BackgroundJob/CalendarRetentionJob.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/CleanupDirectLinksJob.php b/apps/dav/lib/BackgroundJob/CleanupDirectLinksJob.php
index 073fc53e07ad3..8895159d6ad29 100644
--- a/apps/dav/lib/BackgroundJob/CleanupDirectLinksJob.php
+++ b/apps/dav/lib/BackgroundJob/CleanupDirectLinksJob.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/CleanupInvitationTokenJob.php b/apps/dav/lib/BackgroundJob/CleanupInvitationTokenJob.php
index 6339e721c9304..1479cd363b3be 100644
--- a/apps/dav/lib/BackgroundJob/CleanupInvitationTokenJob.php
+++ b/apps/dav/lib/BackgroundJob/CleanupInvitationTokenJob.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/EventReminderJob.php b/apps/dav/lib/BackgroundJob/EventReminderJob.php
index f628a7284040b..5025919c84ffe 100644
--- a/apps/dav/lib/BackgroundJob/EventReminderJob.php
+++ b/apps/dav/lib/BackgroundJob/EventReminderJob.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2016 Thomas Citharel <nextcloud@tcit.fr>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php b/apps/dav/lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php
index 220050b392790..a6b0346908c5c 100644
--- a/apps/dav/lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php
+++ b/apps/dav/lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/OutOfOfficeEventDispatcherJob.php b/apps/dav/lib/BackgroundJob/OutOfOfficeEventDispatcherJob.php
index 9b219cf30da0e..8293b37099635 100644
--- a/apps/dav/lib/BackgroundJob/OutOfOfficeEventDispatcherJob.php
+++ b/apps/dav/lib/BackgroundJob/OutOfOfficeEventDispatcherJob.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2023 Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\BackgroundJob;
diff --git a/apps/dav/lib/BackgroundJob/PruneOutdatedSyncTokensJob.php b/apps/dav/lib/BackgroundJob/PruneOutdatedSyncTokensJob.php
index d5a877a174244..1ef33410f4f08 100644
--- a/apps/dav/lib/BackgroundJob/PruneOutdatedSyncTokensJob.php
+++ b/apps/dav/lib/BackgroundJob/PruneOutdatedSyncTokensJob.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2022 Thomas Citharel <nextcloud@tcit.fr>
- *
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/RefreshWebcalJob.php b/apps/dav/lib/BackgroundJob/RefreshWebcalJob.php
index a40aeee3d66bb..982d6040fd7cf 100644
--- a/apps/dav/lib/BackgroundJob/RefreshWebcalJob.php
+++ b/apps/dav/lib/BackgroundJob/RefreshWebcalJob.php
@@ -3,29 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Côme Chilliet <come.chilliet@nextcloud.com>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/RegisterRegenerateBirthdayCalendars.php b/apps/dav/lib/BackgroundJob/RegisterRegenerateBirthdayCalendars.php
index 8c0b5e3ea45af..61fe4cd84837a 100644
--- a/apps/dav/lib/BackgroundJob/RegisterRegenerateBirthdayCalendars.php
+++ b/apps/dav/lib/BackgroundJob/RegisterRegenerateBirthdayCalendars.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2019 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/UpdateCalendarResourcesRoomsBackgroundJob.php b/apps/dav/lib/BackgroundJob/UpdateCalendarResourcesRoomsBackgroundJob.php
index b4571e2509d06..3ce90c72019c1 100644
--- a/apps/dav/lib/BackgroundJob/UpdateCalendarResourcesRoomsBackgroundJob.php
+++ b/apps/dav/lib/BackgroundJob/UpdateCalendarResourcesRoomsBackgroundJob.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2019, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\BackgroundJob;
diff --git a/apps/dav/lib/BackgroundJob/UploadCleanup.php b/apps/dav/lib/BackgroundJob/UploadCleanup.php
index c35aff4d15a7c..59a28626ecdf3 100644
--- a/apps/dav/lib/BackgroundJob/UploadCleanup.php
+++ b/apps/dav/lib/BackgroundJob/UploadCleanup.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\BackgroundJob;
 
diff --git a/apps/dav/lib/BackgroundJob/UserStatusAutomation.php b/apps/dav/lib/BackgroundJob/UserStatusAutomation.php
index 5f88fa122b778..e17fa604ab94a 100644
--- a/apps/dav/lib/BackgroundJob/UserStatusAutomation.php
+++ b/apps/dav/lib/BackgroundJob/UserStatusAutomation.php
@@ -2,23 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright Copyright (c) 2022 Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\BackgroundJob;
diff --git a/apps/dav/lib/BulkUpload/BulkUploadPlugin.php b/apps/dav/lib/BulkUpload/BulkUploadPlugin.php
index 9890a615f9364..ae7f55d7107de 100644
--- a/apps/dav/lib/BulkUpload/BulkUploadPlugin.php
+++ b/apps/dav/lib/BulkUpload/BulkUploadPlugin.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2021, Louis Chemineau <louis@chmn.me>
- *
- * @author Louis Chemineau <louis@chmn.me>
- * @author Côme Chilliet <come.chilliet@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 namespace OCA\DAV\BulkUpload;
diff --git a/apps/dav/lib/BulkUpload/MultipartRequestParser.php b/apps/dav/lib/BulkUpload/MultipartRequestParser.php
index 7c977b42ccbca..2d3cf7d421c54 100644
--- a/apps/dav/lib/BulkUpload/MultipartRequestParser.php
+++ b/apps/dav/lib/BulkUpload/MultipartRequestParser.php
@@ -1,23 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2021, Louis Chemineau <louis@chmn.me>
- *
- * @author Louis Chemineau <louis@chmn.me>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 namespace OCA\DAV\BulkUpload;
diff --git a/apps/dav/lib/CalDAV/Activity/Backend.php b/apps/dav/lib/CalDAV/Activity/Backend.php
index 661a3dcc9ae7d..c2018baab9255 100644
--- a/apps/dav/lib/CalDAV/Activity/Backend.php
+++ b/apps/dav/lib/CalDAV/Activity/Backend.php
@@ -1,27 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Filter/Calendar.php b/apps/dav/lib/CalDAV/Activity/Filter/Calendar.php
index 06258e3cf746b..6ac161a0a2c63 100644
--- a/apps/dav/lib/CalDAV/Activity/Filter/Calendar.php
+++ b/apps/dav/lib/CalDAV/Activity/Filter/Calendar.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Filter;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Filter/Todo.php b/apps/dav/lib/CalDAV/Activity/Filter/Todo.php
index 996250075c311..dfa05ae909973 100644
--- a/apps/dav/lib/CalDAV/Activity/Filter/Todo.php
+++ b/apps/dav/lib/CalDAV/Activity/Filter/Todo.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Filter;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Base.php b/apps/dav/lib/CalDAV/Activity/Provider/Base.php
index 841011574d0cd..a063a31d0154b 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Base.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Base.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Provider;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php b/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
index e4cc5fadf7c28..a7509831f2966 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
@@ -1,28 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Provider;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Event.php b/apps/dav/lib/CalDAV/Activity/Provider/Event.php
index 4dcb18fdb908f..45354faae69c3 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Event.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Event.php
@@ -1,28 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Provider;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Todo.php b/apps/dav/lib/CalDAV/Activity/Provider/Todo.php
index 0a8434b959564..052370c7d3aa9 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Todo.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Todo.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Provider;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Setting/CalDAVSetting.php b/apps/dav/lib/CalDAV/Activity/Setting/CalDAVSetting.php
index 20325a253f4f1..67cc2abc9fdd5 100644
--- a/apps/dav/lib/CalDAV/Activity/Setting/CalDAVSetting.php
+++ b/apps/dav/lib/CalDAV/Activity/Setting/CalDAVSetting.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2020 Robin Appelman <robin@icewind.nl>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Setting;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Setting/Calendar.php b/apps/dav/lib/CalDAV/Activity/Setting/Calendar.php
index 4a226fca43971..4e1fdc0fe97b4 100644
--- a/apps/dav/lib/CalDAV/Activity/Setting/Calendar.php
+++ b/apps/dav/lib/CalDAV/Activity/Setting/Calendar.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Setting;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Setting/Event.php b/apps/dav/lib/CalDAV/Activity/Setting/Event.php
index 0239296a403b5..a177d27d2e365 100644
--- a/apps/dav/lib/CalDAV/Activity/Setting/Event.php
+++ b/apps/dav/lib/CalDAV/Activity/Setting/Event.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Setting;
 
diff --git a/apps/dav/lib/CalDAV/Activity/Setting/Todo.php b/apps/dav/lib/CalDAV/Activity/Setting/Todo.php
index a4ac3f5d56912..ecd3634ee1235 100644
--- a/apps/dav/lib/CalDAV/Activity/Setting/Todo.php
+++ b/apps/dav/lib/CalDAV/Activity/Setting/Todo.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Activity\Setting;
 
diff --git a/apps/dav/lib/CalDAV/AppCalendar/AppCalendar.php b/apps/dav/lib/CalDAV/AppCalendar/AppCalendar.php
index 68b71404371f0..2d9beff9cedd2 100644
--- a/apps/dav/lib/CalDAV/AppCalendar/AppCalendar.php
+++ b/apps/dav/lib/CalDAV/AppCalendar/AppCalendar.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2023 Ferdinand Thiessen <opensource@fthiessen.de>
- *
- * @author Ferdinand Thiessen <opensource@fthiessen.de>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\AppCalendar;
diff --git a/apps/dav/lib/CalDAV/AppCalendar/AppCalendarPlugin.php b/apps/dav/lib/CalDAV/AppCalendar/AppCalendarPlugin.php
index b6e00baafd60f..56e91c581f835 100644
--- a/apps/dav/lib/CalDAV/AppCalendar/AppCalendarPlugin.php
+++ b/apps/dav/lib/CalDAV/AppCalendar/AppCalendarPlugin.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2023 Ferdinand Thiessen <opensource@fthiessen.de>
- *
- * @author Ferdinand Thiessen <opensource@fthiessen.de>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\AppCalendar;
diff --git a/apps/dav/lib/CalDAV/AppCalendar/CalendarObject.php b/apps/dav/lib/CalDAV/AppCalendar/CalendarObject.php
index bfcab35f74e89..ba3f7074faf51 100644
--- a/apps/dav/lib/CalDAV/AppCalendar/CalendarObject.php
+++ b/apps/dav/lib/CalDAV/AppCalendar/CalendarObject.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2023 Ferdinand Thiessen <opensource@fthiessen.de>
- *
- * @author Ferdinand Thiessen <opensource@fthiessen.de>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\AppCalendar;
diff --git a/apps/dav/lib/CalDAV/Auth/CustomPrincipalPlugin.php b/apps/dav/lib/CalDAV/Auth/CustomPrincipalPlugin.php
index 89e50c7da6bc9..71b9acb939b78 100644
--- a/apps/dav/lib/CalDAV/Auth/CustomPrincipalPlugin.php
+++ b/apps/dav/lib/CalDAV/Auth/CustomPrincipalPlugin.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * CalDAV App
- *
- * @copyright 2021 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\Auth;
diff --git a/apps/dav/lib/CalDAV/Auth/PublicPrincipalPlugin.php b/apps/dav/lib/CalDAV/Auth/PublicPrincipalPlugin.php
index 9666955881808..ed89638451e12 100644
--- a/apps/dav/lib/CalDAV/Auth/PublicPrincipalPlugin.php
+++ b/apps/dav/lib/CalDAV/Auth/PublicPrincipalPlugin.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * CalDAV App
- *
- * @copyright 2021 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Auth;
 
diff --git a/apps/dav/lib/CalDAV/BirthdayCalendar/EnablePlugin.php b/apps/dav/lib/CalDAV/BirthdayCalendar/EnablePlugin.php
index f7d68e4ec1d3f..733e80791118c 100644
--- a/apps/dav/lib/CalDAV/BirthdayCalendar/EnablePlugin.php
+++ b/apps/dav/lib/CalDAV/BirthdayCalendar/EnablePlugin.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright 2017, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\BirthdayCalendar;
 
diff --git a/apps/dav/lib/CalDAV/BirthdayService.php b/apps/dav/lib/CalDAV/BirthdayService.php
index 93344e33186da..0990cd674dd43 100644
--- a/apps/dav/lib/CalDAV/BirthdayService.php
+++ b/apps/dav/lib/CalDAV/BirthdayService.php
@@ -3,33 +3,9 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Achim Königs <garfonso@tratschtante.de>
- * @author Christian Weiske <cweiske@cweiske.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Sven Strickroth <email@cs-ware.de>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Valdnet <47037905+Valdnet@users.noreply.github.com>
- * @author Cédric Neukom <github@webguy.ch>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CachedSubscription.php b/apps/dav/lib/CalDAV/CachedSubscription.php
index 79a57bc8c230c..75ee5cb440fd8 100644
--- a/apps/dav/lib/CalDAV/CachedSubscription.php
+++ b/apps/dav/lib/CalDAV/CachedSubscription.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CachedSubscriptionImpl.php b/apps/dav/lib/CalDAV/CachedSubscriptionImpl.php
index 3406707d0d400..3f6eff4e1f431 100644
--- a/apps/dav/lib/CalDAV/CachedSubscriptionImpl.php
+++ b/apps/dav/lib/CalDAV/CachedSubscriptionImpl.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2024 Daniel Kesselberg <mail@danielkesselberg.de>
- *
- * @author Daniel Kesselberg <mail@danielkesselberg.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CachedSubscriptionObject.php b/apps/dav/lib/CalDAV/CachedSubscriptionObject.php
index 3c1373763e127..dc9141a61b8e7 100644
--- a/apps/dav/lib/CalDAV/CachedSubscriptionObject.php
+++ b/apps/dav/lib/CalDAV/CachedSubscriptionObject.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CachedSubscriptionProvider.php b/apps/dav/lib/CalDAV/CachedSubscriptionProvider.php
index e2508af559258..73fde0b71a066 100644
--- a/apps/dav/lib/CalDAV/CachedSubscriptionProvider.php
+++ b/apps/dav/lib/CalDAV/CachedSubscriptionProvider.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2024 Daniel Kesselberg <mail@danielkesselberg.de>
- *
- * @author Daniel Kesselberg <mail@danielkesselberg.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CalDavBackend.php b/apps/dav/lib/CalDAV/CalDavBackend.php
index 0aa4426c786a4..46515852a0a56 100644
--- a/apps/dav/lib/CalDAV/CalDavBackend.php
+++ b/apps/dav/lib/CalDAV/CalDavBackend.php
@@ -1,41 +1,8 @@
 <?php
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright Copyright (c) 2018 Georg Ehrke
- * @copyright Copyright (c) 2020, leith abdulla (<online-nextcloud@eleith.com>)
- *
- * @author Chih-Hsuan Yen <yan12125@gmail.com>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author dartcafe <github@dartcafe.de>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author leith abdulla <online-nextcloud@eleith.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Simon Spannagel <simonspa@kth.se>
- * @author Stefan Weil <sw@weilnetz.de>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vinicius Cubas Brand <vinicius@eita.org.br>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/Calendar.php b/apps/dav/lib/CalDAV/Calendar.php
index fbfbdf652ec22..eaf8d227a6f0a 100644
--- a/apps/dav/lib/CalDAV/Calendar.php
+++ b/apps/dav/lib/CalDAV/Calendar.php
@@ -1,30 +1,10 @@
 <?php
+
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Gary Kim <gary@garykim.dev>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CalendarHome.php b/apps/dav/lib/CalDAV/CalendarHome.php
index 31463bcc6789a..d01c2affbc8c9 100644
--- a/apps/dav/lib/CalDAV/CalendarHome.php
+++ b/apps/dav/lib/CalDAV/CalendarHome.php
@@ -1,28 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CalendarImpl.php b/apps/dav/lib/CalDAV/CalendarImpl.php
index 397cff3803737..cac9bad0d89a4 100644
--- a/apps/dav/lib/CalDAV/CalendarImpl.php
+++ b/apps/dav/lib/CalDAV/CalendarImpl.php
@@ -3,28 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2017, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CalendarManager.php b/apps/dav/lib/CalDAV/CalendarManager.php
index daa96a5139202..a415a830d2ee8 100644
--- a/apps/dav/lib/CalDAV/CalendarManager.php
+++ b/apps/dav/lib/CalDAV/CalendarManager.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright 2017, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CalendarObject.php b/apps/dav/lib/CalDAV/CalendarObject.php
index fc2b65f3efe3f..f7af3ce8b4b1e 100644
--- a/apps/dav/lib/CalDAV/CalendarObject.php
+++ b/apps/dav/lib/CalDAV/CalendarObject.php
@@ -1,28 +1,8 @@
 <?php
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright Copyright (c) 2017, Georg Ehrke
- * @copyright Copyright (c) 2020, Gary Kim <gary@garykim.dev>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Gary Kim <gary@garykim.dev>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CalendarProvider.php b/apps/dav/lib/CalDAV/CalendarProvider.php
index f29c601db2d27..90605d4f76e38 100644
--- a/apps/dav/lib/CalDAV/CalendarProvider.php
+++ b/apps/dav/lib/CalDAV/CalendarProvider.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/CalendarRoot.php b/apps/dav/lib/CalDAV/CalendarRoot.php
index bece2087e8aa0..7e57b70c48144 100644
--- a/apps/dav/lib/CalDAV/CalendarRoot.php
+++ b/apps/dav/lib/CalDAV/CalendarRoot.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/EventComparisonService.php b/apps/dav/lib/CalDAV/EventComparisonService.php
index 24f5da34f8ef7..e3c7749a772fd 100644
--- a/apps/dav/lib/CalDAV/EventComparisonService.php
+++ b/apps/dav/lib/CalDAV/EventComparisonService.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2022 Anna Larch <anna.larch@gmx.net>
- *
- * @author 2022 Anna Larch <anna.larch@gmx.net>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/FreeBusy/FreeBusyGenerator.php b/apps/dav/lib/CalDAV/FreeBusy/FreeBusyGenerator.php
index 2148e6a1da255..c2c474a90fe4b 100644
--- a/apps/dav/lib/CalDAV/FreeBusy/FreeBusyGenerator.php
+++ b/apps/dav/lib/CalDAV/FreeBusy/FreeBusyGenerator.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2023 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\FreeBusy;
diff --git a/apps/dav/lib/CalDAV/ICSExportPlugin/ICSExportPlugin.php b/apps/dav/lib/CalDAV/ICSExportPlugin/ICSExportPlugin.php
index 627959c90f6d8..2b4f8ed02238d 100644
--- a/apps/dav/lib/CalDAV/ICSExportPlugin/ICSExportPlugin.php
+++ b/apps/dav/lib/CalDAV/ICSExportPlugin/ICSExportPlugin.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright 2019, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\ICSExportPlugin;
 
diff --git a/apps/dav/lib/CalDAV/IRestorable.php b/apps/dav/lib/CalDAV/IRestorable.php
index fab73c43d3aed..5850e0a564553 100644
--- a/apps/dav/lib/CalDAV/IRestorable.php
+++ b/apps/dav/lib/CalDAV/IRestorable.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/Integration/ExternalCalendar.php b/apps/dav/lib/CalDAV/Integration/ExternalCalendar.php
index 0afb11c26737d..882a11c34b20e 100644
--- a/apps/dav/lib/CalDAV/Integration/ExternalCalendar.php
+++ b/apps/dav/lib/CalDAV/Integration/ExternalCalendar.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright 2020, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Integration;
 
diff --git a/apps/dav/lib/CalDAV/Integration/ICalendarProvider.php b/apps/dav/lib/CalDAV/Integration/ICalendarProvider.php
index c72112f06ba14..bbee4cbda7c96 100644
--- a/apps/dav/lib/CalDAV/Integration/ICalendarProvider.php
+++ b/apps/dav/lib/CalDAV/Integration/ICalendarProvider.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright 2020, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Integration;
 
diff --git a/apps/dav/lib/CalDAV/InvitationResponse/InvitationResponseServer.php b/apps/dav/lib/CalDAV/InvitationResponse/InvitationResponseServer.php
index e92eae2d3f173..94f95652677f4 100644
--- a/apps/dav/lib/CalDAV/InvitationResponse/InvitationResponseServer.php
+++ b/apps/dav/lib/CalDAV/InvitationResponse/InvitationResponseServer.php
@@ -1,27 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2018, Georg Ehrke.
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\InvitationResponse;
 
diff --git a/apps/dav/lib/CalDAV/Outbox.php b/apps/dav/lib/CalDAV/Outbox.php
index eebb48e1294e7..ffda73147a60c 100644
--- a/apps/dav/lib/CalDAV/Outbox.php
+++ b/apps/dav/lib/CalDAV/Outbox.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2018, Georg Ehrke
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/Plugin.php b/apps/dav/lib/CalDAV/Plugin.php
index 5b367c51053e5..24448ae71ab3c 100644
--- a/apps/dav/lib/CalDAV/Plugin.php
+++ b/apps/dav/lib/CalDAV/Plugin.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud GmbH.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud GmbH.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/Principal/Collection.php b/apps/dav/lib/CalDAV/Principal/Collection.php
index 279977416093c..f2cea0b513644 100644
--- a/apps/dav/lib/CalDAV/Principal/Collection.php
+++ b/apps/dav/lib/CalDAV/Principal/Collection.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017, Christoph Seitz <christoph.seitz@posteo.de>
- *
- * @author Christoph Seitz <christoph.seitz@posteo.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Principal;
 
diff --git a/apps/dav/lib/CalDAV/Principal/User.php b/apps/dav/lib/CalDAV/Principal/User.php
index 904ecc32e893c..60b7953ea6293 100644
--- a/apps/dav/lib/CalDAV/Principal/User.php
+++ b/apps/dav/lib/CalDAV/Principal/User.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017, Christoph Seitz <christoph.seitz@posteo.de>
- *
- * @author Christoph Seitz <christoph.seitz@posteo.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Principal;
 
diff --git a/apps/dav/lib/CalDAV/Proxy/Proxy.php b/apps/dav/lib/CalDAV/Proxy/Proxy.php
index 8bafe8cc3b31b..a10f82e4b29d3 100644
--- a/apps/dav/lib/CalDAV/Proxy/Proxy.php
+++ b/apps/dav/lib/CalDAV/Proxy/Proxy.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Proxy;
 
diff --git a/apps/dav/lib/CalDAV/Proxy/ProxyMapper.php b/apps/dav/lib/CalDAV/Proxy/ProxyMapper.php
index e48e283484c4c..3b9b9c3d9eb12 100644
--- a/apps/dav/lib/CalDAV/Proxy/ProxyMapper.php
+++ b/apps/dav/lib/CalDAV/Proxy/ProxyMapper.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Proxy;
 
diff --git a/apps/dav/lib/CalDAV/PublicCalendar.php b/apps/dav/lib/CalDAV/PublicCalendar.php
index 16c7f86917da7..4ee811efeaeac 100644
--- a/apps/dav/lib/CalDAV/PublicCalendar.php
+++ b/apps/dav/lib/CalDAV/PublicCalendar.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017, Georg Ehrke
- *
- * @author Gary Kim <gary@garykim.dev>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/PublicCalendarObject.php b/apps/dav/lib/CalDAV/PublicCalendarObject.php
index 69a5583d8f5fb..c3dc5ab1843e3 100644
--- a/apps/dav/lib/CalDAV/PublicCalendarObject.php
+++ b/apps/dav/lib/CalDAV/PublicCalendarObject.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017, Georg Ehrke
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/PublicCalendarRoot.php b/apps/dav/lib/CalDAV/PublicCalendarRoot.php
index a652b6ef1e529..e7008bfd82c22 100644
--- a/apps/dav/lib/CalDAV/PublicCalendarRoot.php
+++ b/apps/dav/lib/CalDAV/PublicCalendarRoot.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/Publishing/PublishPlugin.php b/apps/dav/lib/CalDAV/Publishing/PublishPlugin.php
index fedd918e6a482..94c5b7d1f52a0 100644
--- a/apps/dav/lib/CalDAV/Publishing/PublishPlugin.php
+++ b/apps/dav/lib/CalDAV/Publishing/PublishPlugin.php
@@ -1,29 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Thomas Citharel <tcit@tcit.fr>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Publishing;
 
diff --git a/apps/dav/lib/CalDAV/Publishing/Xml/Publisher.php b/apps/dav/lib/CalDAV/Publishing/Xml/Publisher.php
index cbff5e66a85db..d3543ce5baeb4 100644
--- a/apps/dav/lib/CalDAV/Publishing/Xml/Publisher.php
+++ b/apps/dav/lib/CalDAV/Publishing/Xml/Publisher.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Thomas Citharel <tcit@tcit.fr>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Publishing\Xml;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/Backend.php b/apps/dav/lib/CalDAV/Reminder/Backend.php
index f1f5d8c4ac36c..ce4469228d39b 100644
--- a/apps/dav/lib/CalDAV/Reminder/Backend.php
+++ b/apps/dav/lib/CalDAV/Reminder/Backend.php
@@ -3,28 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Thomas Citharel
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/INotificationProvider.php b/apps/dav/lib/CalDAV/Reminder/INotificationProvider.php
index 1eb3932e61116..1428eb9c46c39 100644
--- a/apps/dav/lib/CalDAV/Reminder/INotificationProvider.php
+++ b/apps/dav/lib/CalDAV/Reminder/INotificationProvider.php
@@ -3,28 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AbstractProvider.php b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AbstractProvider.php
index 52c994554ccab..4d087f58d2b5f 100644
--- a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AbstractProvider.php
+++ b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AbstractProvider.php
@@ -3,30 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Thomas Citharel
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder\NotificationProvider;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AudioProvider.php b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AudioProvider.php
index 4b369b34dc0fa..01d51489a3bcd 100644
--- a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AudioProvider.php
+++ b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AudioProvider.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder\NotificationProvider;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php
index 262ceb479f0d4..947d286643cf7 100644
--- a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php
+++ b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php
@@ -3,31 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Thomas Citharel
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder\NotificationProvider;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/ProviderNotAvailableException.php b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/ProviderNotAvailableException.php
index 2e4f9a3849393..15994bacf49b3 100644
--- a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/ProviderNotAvailableException.php
+++ b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/ProviderNotAvailableException.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2018 Thomas Citharel <tcit@tcit.fr>
- *
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder\NotificationProvider;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/PushProvider.php b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/PushProvider.php
index 79e4e44e6d8c3..5b0ba28a6c138 100644
--- a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/PushProvider.php
+++ b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/PushProvider.php
@@ -3,30 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Thomas Citharel
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder\NotificationProvider;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationProviderManager.php b/apps/dav/lib/CalDAV/Reminder/NotificationProviderManager.php
index cd8030a117720..f64de85c4493f 100644
--- a/apps/dav/lib/CalDAV/Reminder/NotificationProviderManager.php
+++ b/apps/dav/lib/CalDAV/Reminder/NotificationProviderManager.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Thomas Citharel
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationTypeDoesNotExistException.php b/apps/dav/lib/CalDAV/Reminder/NotificationTypeDoesNotExistException.php
index 16fb858bc3a6c..6fd2a29ede5d5 100644
--- a/apps/dav/lib/CalDAV/Reminder/NotificationTypeDoesNotExistException.php
+++ b/apps/dav/lib/CalDAV/Reminder/NotificationTypeDoesNotExistException.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Thomas Citharel
- *
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/Notifier.php b/apps/dav/lib/CalDAV/Reminder/Notifier.php
index e8f0405f3ce35..8863c165be1e6 100644
--- a/apps/dav/lib/CalDAV/Reminder/Notifier.php
+++ b/apps/dav/lib/CalDAV/Reminder/Notifier.php
@@ -3,29 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Thomas Citharel
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder;
 
diff --git a/apps/dav/lib/CalDAV/Reminder/ReminderService.php b/apps/dav/lib/CalDAV/Reminder/ReminderService.php
index 9f4b55824e8fa..6faf5bdecd651 100644
--- a/apps/dav/lib/CalDAV/Reminder/ReminderService.php
+++ b/apps/dav/lib/CalDAV/Reminder/ReminderService.php
@@ -3,31 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Thomas Citharel
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Reminder;
 
diff --git a/apps/dav/lib/CalDAV/ResourceBooking/AbstractPrincipalBackend.php b/apps/dav/lib/CalDAV/ResourceBooking/AbstractPrincipalBackend.php
index 92c61e72780ee..2eb8ebfc84edf 100644
--- a/apps/dav/lib/CalDAV/ResourceBooking/AbstractPrincipalBackend.php
+++ b/apps/dav/lib/CalDAV/ResourceBooking/AbstractPrincipalBackend.php
@@ -1,27 +1,7 @@
 <?php
 /**
- * @copyright 2019, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\ResourceBooking;
 
diff --git a/apps/dav/lib/CalDAV/ResourceBooking/ResourcePrincipalBackend.php b/apps/dav/lib/CalDAV/ResourceBooking/ResourcePrincipalBackend.php
index 45795377e1110..40396f67ce93c 100644
--- a/apps/dav/lib/CalDAV/ResourceBooking/ResourcePrincipalBackend.php
+++ b/apps/dav/lib/CalDAV/ResourceBooking/ResourcePrincipalBackend.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\ResourceBooking;
 
diff --git a/apps/dav/lib/CalDAV/ResourceBooking/RoomPrincipalBackend.php b/apps/dav/lib/CalDAV/ResourceBooking/RoomPrincipalBackend.php
index 829ca7d60336c..91cf78c296f72 100644
--- a/apps/dav/lib/CalDAV/ResourceBooking/RoomPrincipalBackend.php
+++ b/apps/dav/lib/CalDAV/ResourceBooking/RoomPrincipalBackend.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\ResourceBooking;
 
diff --git a/apps/dav/lib/CalDAV/RetentionService.php b/apps/dav/lib/CalDAV/RetentionService.php
index 9a43d5bdc915e..72301927f2bce 100644
--- a/apps/dav/lib/CalDAV/RetentionService.php
+++ b/apps/dav/lib/CalDAV/RetentionService.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV;
 
diff --git a/apps/dav/lib/CalDAV/Schedule/IMipPlugin.php b/apps/dav/lib/CalDAV/Schedule/IMipPlugin.php
index dcac8db2bbd88..ef506d1593c28 100644
--- a/apps/dav/lib/CalDAV/Schedule/IMipPlugin.php
+++ b/apps/dav/lib/CalDAV/Schedule/IMipPlugin.php
@@ -1,38 +1,10 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright Copyright (c) 2017, Georg Ehrke
- * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
- * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
- * @copyright 2022 Anna Larch <anna.larch@gmx.net>
- *
- * @author brad2014 <brad2014@users.noreply.github.com>
- * @author Brad Rubenstein <brad@wbr.tech>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Leon Klingele <leon@struktur.de>
- * @author Nick Sweeting <git@sweeting.me>
- * @author rakekniven <mark.ziegler@rakekniven.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-FileCopyrightText: 2007-2015 fruux GmbH (https://fruux.com/)
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CalDAV\Schedule;
 
diff --git a/apps/dav/lib/CalDAV/Schedule/IMipService.php b/apps/dav/lib/CalDAV/Schedule/IMipService.php
index 42a8479191b91..e71f97764f8a9 100644
--- a/apps/dav/lib/CalDAV/Schedule/IMipService.php
+++ b/apps/dav/lib/CalDAV/Schedule/IMipService.php
@@ -1,26 +1,9 @@
 <?php
 
 declare(strict_types=1);
-/*
- * DAV App
- *
- * @copyright 2022 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+/**
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\Schedule;
diff --git a/apps/dav/lib/CalDAV/Schedule/Plugin.php b/apps/dav/lib/CalDAV/Schedule/Plugin.php
index a1297fd2cf1d8..9e1006e72c0fd 100644
--- a/apps/dav/lib/CalDAV/Schedule/Plugin.php
+++ b/apps/dav/lib/CalDAV/Schedule/Plugin.php
@@ -1,31 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
- * @copyright Copyright (c) 2016, Joas Schilling <coding@schilljs.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Daniel Kesselberg <mail@danielkesselberg.de>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Schedule;
 
diff --git a/apps/dav/lib/CalDAV/Search/SearchPlugin.php b/apps/dav/lib/CalDAV/Search/SearchPlugin.php
index d08a5749ab20b..fb55dec593c86 100644
--- a/apps/dav/lib/CalDAV/Search/SearchPlugin.php
+++ b/apps/dav/lib/CalDAV/Search/SearchPlugin.php
@@ -1,28 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Search;
 
diff --git a/apps/dav/lib/CalDAV/Search/Xml/Filter/CompFilter.php b/apps/dav/lib/CalDAV/Search/Xml/Filter/CompFilter.php
index d5b7c834e3647..8a13086584246 100644
--- a/apps/dav/lib/CalDAV/Search/Xml/Filter/CompFilter.php
+++ b/apps/dav/lib/CalDAV/Search/Xml/Filter/CompFilter.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Search\Xml\Filter;
 
diff --git a/apps/dav/lib/CalDAV/Search/Xml/Filter/LimitFilter.php b/apps/dav/lib/CalDAV/Search/Xml/Filter/LimitFilter.php
index 2c435ba3650ac..943e657903e56 100644
--- a/apps/dav/lib/CalDAV/Search/Xml/Filter/LimitFilter.php
+++ b/apps/dav/lib/CalDAV/Search/Xml/Filter/LimitFilter.php
@@ -1,27 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Search\Xml\Filter;
 
diff --git a/apps/dav/lib/CalDAV/Search/Xml/Filter/OffsetFilter.php b/apps/dav/lib/CalDAV/Search/Xml/Filter/OffsetFilter.php
index a6f41d091617a..439a795dde91b 100644
--- a/apps/dav/lib/CalDAV/Search/Xml/Filter/OffsetFilter.php
+++ b/apps/dav/lib/CalDAV/Search/Xml/Filter/OffsetFilter.php
@@ -1,27 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Search\Xml\Filter;
 
diff --git a/apps/dav/lib/CalDAV/Search/Xml/Filter/ParamFilter.php b/apps/dav/lib/CalDAV/Search/Xml/Filter/ParamFilter.php
index c25450a0c9444..3b03b63e9093a 100644
--- a/apps/dav/lib/CalDAV/Search/Xml/Filter/ParamFilter.php
+++ b/apps/dav/lib/CalDAV/Search/Xml/Filter/ParamFilter.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Search\Xml\Filter;
 
diff --git a/apps/dav/lib/CalDAV/Search/Xml/Filter/PropFilter.php b/apps/dav/lib/CalDAV/Search/Xml/Filter/PropFilter.php
index 990b0ebf73087..42ecf630f440f 100644
--- a/apps/dav/lib/CalDAV/Search/Xml/Filter/PropFilter.php
+++ b/apps/dav/lib/CalDAV/Search/Xml/Filter/PropFilter.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Search\Xml\Filter;
 
diff --git a/apps/dav/lib/CalDAV/Search/Xml/Filter/SearchTermFilter.php b/apps/dav/lib/CalDAV/Search/Xml/Filter/SearchTermFilter.php
index 06fe39a463bde..b10cf3140cf2a 100644
--- a/apps/dav/lib/CalDAV/Search/Xml/Filter/SearchTermFilter.php
+++ b/apps/dav/lib/CalDAV/Search/Xml/Filter/SearchTermFilter.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Search\Xml\Filter;
 
diff --git a/apps/dav/lib/CalDAV/Search/Xml/Request/CalendarSearchReport.php b/apps/dav/lib/CalDAV/Search/Xml/Request/CalendarSearchReport.php
index 98efe36ee43c6..639d0b3265561 100644
--- a/apps/dav/lib/CalDAV/Search/Xml/Request/CalendarSearchReport.php
+++ b/apps/dav/lib/CalDAV/Search/Xml/Request/CalendarSearchReport.php
@@ -1,26 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Search\Xml\Request;
 
diff --git a/apps/dav/lib/CalDAV/Security/RateLimitingPlugin.php b/apps/dav/lib/CalDAV/Security/RateLimitingPlugin.php
index 8ee4c9cb4d3d6..236b5c6d99de8 100644
--- a/apps/dav/lib/CalDAV/Security/RateLimitingPlugin.php
+++ b/apps/dav/lib/CalDAV/Security/RateLimitingPlugin.php
@@ -2,25 +2,9 @@
 
 declare(strict_types=1);
 
-/*
- * @copyright 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\Security;
diff --git a/apps/dav/lib/CalDAV/Sharing/Backend.php b/apps/dav/lib/CalDAV/Sharing/Backend.php
index 7a87f0353e7a2..40fb7e03e5f2f 100644
--- a/apps/dav/lib/CalDAV/Sharing/Backend.php
+++ b/apps/dav/lib/CalDAV/Sharing/Backend.php
@@ -2,22 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright 2024 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\Sharing;
diff --git a/apps/dav/lib/CalDAV/Sharing/Service.php b/apps/dav/lib/CalDAV/Sharing/Service.php
index cdf8c892ab533..7867b8d1adb9f 100644
--- a/apps/dav/lib/CalDAV/Sharing/Service.php
+++ b/apps/dav/lib/CalDAV/Sharing/Service.php
@@ -2,22 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright 2024 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV\Sharing;
diff --git a/apps/dav/lib/CalDAV/Status/StatusService.php b/apps/dav/lib/CalDAV/Status/StatusService.php
index ed2c233055c9c..be8ad90dd4516 100644
--- a/apps/dav/lib/CalDAV/Status/StatusService.php
+++ b/apps/dav/lib/CalDAV/Status/StatusService.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2023 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Status;
 
diff --git a/apps/dav/lib/CalDAV/TimezoneService.php b/apps/dav/lib/CalDAV/TimezoneService.php
index 1b8855a7215e4..93f19be1b55d1 100644
--- a/apps/dav/lib/CalDAV/TimezoneService.php
+++ b/apps/dav/lib/CalDAV/TimezoneService.php
@@ -2,25 +2,9 @@
 
 declare(strict_types=1);
 
-/*
- * @copyright 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CalDAV;
diff --git a/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObject.php b/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObject.php
index b1a3fea21b71d..3ef147fe2007e 100644
--- a/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObject.php
+++ b/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObject.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Trashbin;
 
diff --git a/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObjectsCollection.php b/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObjectsCollection.php
index 5362b45ee7b13..abf5f001e717b 100644
--- a/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObjectsCollection.php
+++ b/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObjectsCollection.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Trashbin;
 
diff --git a/apps/dav/lib/CalDAV/Trashbin/Plugin.php b/apps/dav/lib/CalDAV/Trashbin/Plugin.php
index 8a661732f1956..f3c8342c4759c 100644
--- a/apps/dav/lib/CalDAV/Trashbin/Plugin.php
+++ b/apps/dav/lib/CalDAV/Trashbin/Plugin.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Trashbin;
 
diff --git a/apps/dav/lib/CalDAV/Trashbin/RestoreTarget.php b/apps/dav/lib/CalDAV/Trashbin/RestoreTarget.php
index 31331957c49ac..6641148de2be4 100644
--- a/apps/dav/lib/CalDAV/Trashbin/RestoreTarget.php
+++ b/apps/dav/lib/CalDAV/Trashbin/RestoreTarget.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Trashbin;
 
diff --git a/apps/dav/lib/CalDAV/Trashbin/TrashbinHome.php b/apps/dav/lib/CalDAV/Trashbin/TrashbinHome.php
index e9bf6da19e8ed..a1958bb27942c 100644
--- a/apps/dav/lib/CalDAV/Trashbin/TrashbinHome.php
+++ b/apps/dav/lib/CalDAV/Trashbin/TrashbinHome.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Trashbin;
 
diff --git a/apps/dav/lib/CalDAV/WebcalCaching/Plugin.php b/apps/dav/lib/CalDAV/WebcalCaching/Plugin.php
index 25a68c40eb2ae..e93c536c84653 100644
--- a/apps/dav/lib/CalDAV/WebcalCaching/Plugin.php
+++ b/apps/dav/lib/CalDAV/WebcalCaching/Plugin.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018 Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\WebcalCaching;
 
diff --git a/apps/dav/lib/CalDAV/WebcalCaching/RefreshWebcalService.php b/apps/dav/lib/CalDAV/WebcalCaching/RefreshWebcalService.php
index 4035f34587654..209365ea5e4c8 100644
--- a/apps/dav/lib/CalDAV/WebcalCaching/RefreshWebcalService.php
+++ b/apps/dav/lib/CalDAV/WebcalCaching/RefreshWebcalService.php
@@ -3,30 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2020, Thomas Citharel <nextcloud@tcit.fr>
- * @copyright Copyright (c) 2020, leith abdulla (<online-nextcloud@eleith.com>)
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author eleith <online+github@eleith.com>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\WebcalCaching;
 
diff --git a/apps/dav/lib/Capabilities.php b/apps/dav/lib/Capabilities.php
index f61fb5d2f0a73..53e19c9960da6 100644
--- a/apps/dav/lib/Capabilities.php
+++ b/apps/dav/lib/Capabilities.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud GmbH
- *
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Louis Chemineau <louis@chmn.me>
- * @author Côme Chilliet <come.chilliet@nextcloud.com>
- * @author Kate Döen <kate.doeen@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud GmbH
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV;
 
diff --git a/apps/dav/lib/CardDAV/Activity/Backend.php b/apps/dav/lib/CardDAV/Activity/Backend.php
index f0a5ee05e82d8..34cf429022d03 100644
--- a/apps/dav/lib/CardDAV/Activity/Backend.php
+++ b/apps/dav/lib/CardDAV/Activity/Backend.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV\Activity;
 
diff --git a/apps/dav/lib/CardDAV/Activity/Filter.php b/apps/dav/lib/CardDAV/Activity/Filter.php
index 3ca4c3367d552..84e933fec7c4a 100644
--- a/apps/dav/lib/CardDAV/Activity/Filter.php
+++ b/apps/dav/lib/CardDAV/Activity/Filter.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV\Activity;
 
diff --git a/apps/dav/lib/CardDAV/Activity/Provider/Addressbook.php b/apps/dav/lib/CardDAV/Activity/Provider/Addressbook.php
index a404dde4448a7..189c6a8e9eda8 100644
--- a/apps/dav/lib/CardDAV/Activity/Provider/Addressbook.php
+++ b/apps/dav/lib/CardDAV/Activity/Provider/Addressbook.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV\Activity\Provider;
 
diff --git a/apps/dav/lib/CardDAV/Activity/Provider/Base.php b/apps/dav/lib/CardDAV/Activity/Provider/Base.php
index f475f9d76b753..0a1b55efb080d 100644
--- a/apps/dav/lib/CardDAV/Activity/Provider/Base.php
+++ b/apps/dav/lib/CardDAV/Activity/Provider/Base.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV\Activity\Provider;
 
diff --git a/apps/dav/lib/CardDAV/Activity/Provider/Card.php b/apps/dav/lib/CardDAV/Activity/Provider/Card.php
index 7f49a428caee6..7e8bf9b0d4d68 100644
--- a/apps/dav/lib/CardDAV/Activity/Provider/Card.php
+++ b/apps/dav/lib/CardDAV/Activity/Provider/Card.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV\Activity\Provider;
 
diff --git a/apps/dav/lib/CardDAV/Activity/Setting.php b/apps/dav/lib/CardDAV/Activity/Setting.php
index a8a83111dde17..aa25898065fd7 100644
--- a/apps/dav/lib/CardDAV/Activity/Setting.php
+++ b/apps/dav/lib/CardDAV/Activity/Setting.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV\Activity;
 
diff --git a/apps/dav/lib/CardDAV/AddressBook.php b/apps/dav/lib/CardDAV/AddressBook.php
index 4f589031f06e7..2ec645f04d231 100644
--- a/apps/dav/lib/CardDAV/AddressBook.php
+++ b/apps/dav/lib/CardDAV/AddressBook.php
@@ -1,28 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/AddressBookImpl.php b/apps/dav/lib/CardDAV/AddressBookImpl.php
index 7972042947999..55f7f3b7639c8 100644
--- a/apps/dav/lib/CardDAV/AddressBookImpl.php
+++ b/apps/dav/lib/CardDAV/AddressBookImpl.php
@@ -1,34 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arne Hamann <kontakt+github@arne.email>
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author call-me-matt <nextcloud@matthiasheinisch.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Daniel Kesselberg <mail@danielkesselberg.de>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/AddressBookRoot.php b/apps/dav/lib/CardDAV/AddressBookRoot.php
index f450dbe2ef96c..ec6fa6c9fe14b 100644
--- a/apps/dav/lib/CardDAV/AddressBookRoot.php
+++ b/apps/dav/lib/CardDAV/AddressBookRoot.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/Card.php b/apps/dav/lib/CardDAV/Card.php
index 093255392e0cc..67f605d2fb4c5 100644
--- a/apps/dav/lib/CardDAV/Card.php
+++ b/apps/dav/lib/CardDAV/Card.php
@@ -3,24 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2023, Thomas Citharel <nextcloud@tcit.fr>
- *
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/CardDavBackend.php b/apps/dav/lib/CardDAV/CardDavBackend.php
index f887e3b32b755..cdbbc228047f8 100644
--- a/apps/dav/lib/CardDAV/CardDavBackend.php
+++ b/apps/dav/lib/CardDAV/CardDavBackend.php
@@ -1,37 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arne Hamann <kontakt+github@arne.email>
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Chih-Hsuan Yen <yan12125@gmail.com>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author matt <34400929+call-me-matt@users.noreply.github.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Stefan Weil <sw@weilnetz.de>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/ContactsManager.php b/apps/dav/lib/CardDAV/ContactsManager.php
index bed1e676337dd..6126ebc10eead 100644
--- a/apps/dav/lib/CardDAV/ContactsManager.php
+++ b/apps/dav/lib/CardDAV/ContactsManager.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Tobia De Koninck <tobia@ledfan.be>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/Converter.php b/apps/dav/lib/CardDAV/Converter.php
index 8ea75fbef7474..e962aaa439217 100644
--- a/apps/dav/lib/CardDAV/Converter.php
+++ b/apps/dav/lib/CardDAV/Converter.php
@@ -1,29 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/HasPhotoPlugin.php b/apps/dav/lib/CardDAV/HasPhotoPlugin.php
index 310649bdae963..6e2e042391090 100644
--- a/apps/dav/lib/CardDAV/HasPhotoPlugin.php
+++ b/apps/dav/lib/CardDAV/HasPhotoPlugin.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/ImageExportPlugin.php b/apps/dav/lib/CardDAV/ImageExportPlugin.php
index 3ebc91e55331b..f8c2b6ee82774 100644
--- a/apps/dav/lib/CardDAV/ImageExportPlugin.php
+++ b/apps/dav/lib/CardDAV/ImageExportPlugin.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Jacob Neplokh <me@jacobneplokh.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/Integration/ExternalAddressBook.php b/apps/dav/lib/CardDAV/Integration/ExternalAddressBook.php
index 6f05bb6ce6ae2..48e0b0d3036c3 100644
--- a/apps/dav/lib/CardDAV/Integration/ExternalAddressBook.php
+++ b/apps/dav/lib/CardDAV/Integration/ExternalAddressBook.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2016 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV\Integration;
 
diff --git a/apps/dav/lib/CardDAV/Integration/IAddressBookProvider.php b/apps/dav/lib/CardDAV/Integration/IAddressBookProvider.php
index 0560c13c05c40..a8fa074f6359b 100644
--- a/apps/dav/lib/CardDAV/Integration/IAddressBookProvider.php
+++ b/apps/dav/lib/CardDAV/Integration/IAddressBookProvider.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2016 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV\Integration;
 
diff --git a/apps/dav/lib/CardDAV/MultiGetExportPlugin.php b/apps/dav/lib/CardDAV/MultiGetExportPlugin.php
index a56faad8413d2..62ab16721b137 100644
--- a/apps/dav/lib/CardDAV/MultiGetExportPlugin.php
+++ b/apps/dav/lib/CardDAV/MultiGetExportPlugin.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2018 John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/PhotoCache.php b/apps/dav/lib/CardDAV/PhotoCache.php
index 9f05ec2354aaf..3ea99c29a51bb 100644
--- a/apps/dav/lib/CardDAV/PhotoCache.php
+++ b/apps/dav/lib/CardDAV/PhotoCache.php
@@ -1,31 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Daniel Kesselberg <mail@danielkesselberg.de>
- * @author Jacob Neplokh <me@jacobneplokh.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/Plugin.php b/apps/dav/lib/CardDAV/Plugin.php
index df8f7e6a43699..0ec10306cebb5 100644
--- a/apps/dav/lib/CardDAV/Plugin.php
+++ b/apps/dav/lib/CardDAV/Plugin.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/Sharing/Backend.php b/apps/dav/lib/CardDAV/Sharing/Backend.php
index f0f53ba9cfa0f..5e03f7699fa7a 100644
--- a/apps/dav/lib/CardDAV/Sharing/Backend.php
+++ b/apps/dav/lib/CardDAV/Sharing/Backend.php
@@ -2,22 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright 2024 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CardDAV\Sharing;
diff --git a/apps/dav/lib/CardDAV/Sharing/Service.php b/apps/dav/lib/CardDAV/Sharing/Service.php
index 5da71defb5ead..69bcecde227a7 100644
--- a/apps/dav/lib/CardDAV/Sharing/Service.php
+++ b/apps/dav/lib/CardDAV/Sharing/Service.php
@@ -2,22 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright 2024 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\CardDAV\Sharing;
diff --git a/apps/dav/lib/CardDAV/SyncService.php b/apps/dav/lib/CardDAV/SyncService.php
index 01747a9b10512..e09cc36c8bbbe 100644
--- a/apps/dav/lib/CardDAV/SyncService.php
+++ b/apps/dav/lib/CardDAV/SyncService.php
@@ -1,32 +1,10 @@
 <?php
 
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/SystemAddressbook.php b/apps/dav/lib/CardDAV/SystemAddressbook.php
index dc5ee0e1f218b..4ba06d0fc9c0e 100644
--- a/apps/dav/lib/CardDAV/SystemAddressbook.php
+++ b/apps/dav/lib/CardDAV/SystemAddressbook.php
@@ -3,28 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/UserAddressBooks.php b/apps/dav/lib/CardDAV/UserAddressBooks.php
index 2d12941006753..d0719e02492c9 100644
--- a/apps/dav/lib/CardDAV/UserAddressBooks.php
+++ b/apps/dav/lib/CardDAV/UserAddressBooks.php
@@ -3,28 +3,9 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV;
 
diff --git a/apps/dav/lib/CardDAV/Xml/Groups.php b/apps/dav/lib/CardDAV/Xml/Groups.php
index bde361293826c..6100bac1aea28 100644
--- a/apps/dav/lib/CardDAV/Xml/Groups.php
+++ b/apps/dav/lib/CardDAV/Xml/Groups.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\CardDAV\Xml;
 
diff --git a/apps/dav/lib/Command/CreateAddressBook.php b/apps/dav/lib/Command/CreateAddressBook.php
index 27ecb5973e43d..e7d7824d1b6d1 100644
--- a/apps/dav/lib/Command/CreateAddressBook.php
+++ b/apps/dav/lib/Command/CreateAddressBook.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Command/CreateCalendar.php b/apps/dav/lib/Command/CreateCalendar.php
index 9acc1e147f865..5339d9d1c79f5 100644
--- a/apps/dav/lib/Command/CreateCalendar.php
+++ b/apps/dav/lib/Command/CreateCalendar.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Command/DeleteCalendar.php b/apps/dav/lib/Command/DeleteCalendar.php
index f9caa142757a5..423a9b0343425 100644
--- a/apps/dav/lib/Command/DeleteCalendar.php
+++ b/apps/dav/lib/Command/DeleteCalendar.php
@@ -2,24 +2,8 @@
 
 declare(strict_types=1);
 /**
- *
- * @copyright Copyright (c) 2021, Mattia Narducci (mattianarducci1@gmail.com)
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\Command;
diff --git a/apps/dav/lib/Command/FixCalendarSyncCommand.php b/apps/dav/lib/Command/FixCalendarSyncCommand.php
index 6db32ff6d5e5f..5e92b3270d205 100644
--- a/apps/dav/lib/Command/FixCalendarSyncCommand.php
+++ b/apps/dav/lib/Command/FixCalendarSyncCommand.php
@@ -2,25 +2,9 @@
 
 declare(strict_types=1);
 
-/*
- * @copyright 2024 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author 2024 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\Command;
diff --git a/apps/dav/lib/Command/ListCalendars.php b/apps/dav/lib/Command/ListCalendars.php
index 901d2822656d9..5344530e8a528 100644
--- a/apps/dav/lib/Command/ListCalendars.php
+++ b/apps/dav/lib/Command/ListCalendars.php
@@ -1,27 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2018, Georg Ehrke
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Command/MoveCalendar.php b/apps/dav/lib/Command/MoveCalendar.php
index 7269a5ad4f3ed..b8adc75338a56 100644
--- a/apps/dav/lib/Command/MoveCalendar.php
+++ b/apps/dav/lib/Command/MoveCalendar.php
@@ -1,28 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2016 Thomas Citharel <nextcloud@tcit.fr>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Command/RemoveInvalidShares.php b/apps/dav/lib/Command/RemoveInvalidShares.php
index e373dc1c67866..18f8de5b4e232 100644
--- a/apps/dav/lib/Command/RemoveInvalidShares.php
+++ b/apps/dav/lib/Command/RemoveInvalidShares.php
@@ -2,27 +2,11 @@
 
 declare(strict_types=1);
 
+
 /**
- * @copyright Copyright (c) 2018, ownCloud GmbH
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2019-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2018 ownCloud GmbH
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Command/RetentionCleanupCommand.php b/apps/dav/lib/Command/RetentionCleanupCommand.php
index 21eb96c235c35..f1c941af20e59 100644
--- a/apps/dav/lib/Command/RetentionCleanupCommand.php
+++ b/apps/dav/lib/Command/RetentionCleanupCommand.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Command/SendEventReminders.php b/apps/dav/lib/Command/SendEventReminders.php
index 16e3bb65a4664..f5afb30ed7076 100644
--- a/apps/dav/lib/Command/SendEventReminders.php
+++ b/apps/dav/lib/Command/SendEventReminders.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2019, Georg Ehrke
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Command/SyncBirthdayCalendar.php b/apps/dav/lib/Command/SyncBirthdayCalendar.php
index 977fd5a067c08..5c8ac913af42b 100644
--- a/apps/dav/lib/Command/SyncBirthdayCalendar.php
+++ b/apps/dav/lib/Command/SyncBirthdayCalendar.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Command/SyncSystemAddressBook.php b/apps/dav/lib/Command/SyncSystemAddressBook.php
index b05e65249fffc..715d3d65f877f 100644
--- a/apps/dav/lib/Command/SyncSystemAddressBook.php
+++ b/apps/dav/lib/Command/SyncSystemAddressBook.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Command;
 
diff --git a/apps/dav/lib/Comments/CommentNode.php b/apps/dav/lib/Comments/CommentNode.php
index 1d43c9c930965..3a9e53625280c 100644
--- a/apps/dav/lib/Comments/CommentNode.php
+++ b/apps/dav/lib/Comments/CommentNode.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Comments;
 
diff --git a/apps/dav/lib/Comments/CommentsPlugin.php b/apps/dav/lib/Comments/CommentsPlugin.php
index 1cfaa8b4e1632..7db643131219a 100644
--- a/apps/dav/lib/Comments/CommentsPlugin.php
+++ b/apps/dav/lib/Comments/CommentsPlugin.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Comments;
 
diff --git a/apps/dav/lib/Comments/EntityCollection.php b/apps/dav/lib/Comments/EntityCollection.php
index 1b6139a34a24b..367dab54c5e19 100644
--- a/apps/dav/lib/Comments/EntityCollection.php
+++ b/apps/dav/lib/Comments/EntityCollection.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Comments;
 
diff --git a/apps/dav/lib/Comments/EntityTypeCollection.php b/apps/dav/lib/Comments/EntityTypeCollection.php
index 32adcee54f092..da5a18e78c89f 100644
--- a/apps/dav/lib/Comments/EntityTypeCollection.php
+++ b/apps/dav/lib/Comments/EntityTypeCollection.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Comments;
 
diff --git a/apps/dav/lib/Comments/RootCollection.php b/apps/dav/lib/Comments/RootCollection.php
index 956980c900dd7..a9aa88458b768 100644
--- a/apps/dav/lib/Comments/RootCollection.php
+++ b/apps/dav/lib/Comments/RootCollection.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Comments;
 
diff --git a/apps/dav/lib/Connector/LegacyDAVACL.php b/apps/dav/lib/Connector/LegacyDAVACL.php
index da570b235de92..40ce53b8ab074 100644
--- a/apps/dav/lib/Connector/LegacyDAVACL.php
+++ b/apps/dav/lib/Connector/LegacyDAVACL.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector;
 
diff --git a/apps/dav/lib/Connector/LegacyPublicAuth.php b/apps/dav/lib/Connector/LegacyPublicAuth.php
index 82a474d4bed22..564eae506ac9a 100644
--- a/apps/dav/lib/Connector/LegacyPublicAuth.php
+++ b/apps/dav/lib/Connector/LegacyPublicAuth.php
@@ -1,31 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Maxence Lange <maxence@artificial-owl.com>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector;
 
diff --git a/apps/dav/lib/Connector/Sabre/AnonymousOptionsPlugin.php b/apps/dav/lib/Connector/Sabre/AnonymousOptionsPlugin.php
index d8be0c20dc840..b39dc7197b099 100644
--- a/apps/dav/lib/Connector/Sabre/AnonymousOptionsPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/AnonymousOptionsPlugin.php
@@ -1,28 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2018 Robin Appelman <robin@icewind.nl>
- *
- * @author Bastien Durel <bastien@durel.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/AppleQuirksPlugin.php b/apps/dav/lib/Connector/Sabre/AppleQuirksPlugin.php
index db0f4e56b2e07..8f5195e926b53 100644
--- a/apps/dav/lib/Connector/Sabre/AppleQuirksPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/AppleQuirksPlugin.php
@@ -1,24 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2023 Claus-Justus Heine
- *
- * @author Claus-Justus Heine <himself@claus-justus-heine.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/Auth.php b/apps/dav/lib/Connector/Sabre/Auth.php
index c2e343d8656f1..09495d27976ef 100644
--- a/apps/dav/lib/Connector/Sabre/Auth.php
+++ b/apps/dav/lib/Connector/Sabre/Auth.php
@@ -1,35 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Jakob Sack <mail@jakobsack.de>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Markus Goetz <markus@woboq.com>
- * @author Michael Gapczynski <GapczynskiM@gmail.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/BearerAuth.php b/apps/dav/lib/Connector/Sabre/BearerAuth.php
index 6fd61c44b3452..8caae8dced9d2 100644
--- a/apps/dav/lib/Connector/Sabre/BearerAuth.php
+++ b/apps/dav/lib/Connector/Sabre/BearerAuth.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Lukas Reschke <lukas@statuscode.ch>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/BlockLegacyClientPlugin.php b/apps/dav/lib/Connector/Sabre/BlockLegacyClientPlugin.php
index eda2399a780f9..c4e579bef0bd4 100644
--- a/apps/dav/lib/Connector/Sabre/BlockLegacyClientPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/BlockLegacyClientPlugin.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/CachingTree.php b/apps/dav/lib/Connector/Sabre/CachingTree.php
index 54038468dc56e..a715991fcf67b 100644
--- a/apps/dav/lib/Connector/Sabre/CachingTree.php
+++ b/apps/dav/lib/Connector/Sabre/CachingTree.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/ChecksumList.php b/apps/dav/lib/Connector/Sabre/ChecksumList.php
index 8e01dcc0f4be8..75d1d718de18f 100644
--- a/apps/dav/lib/Connector/Sabre/ChecksumList.php
+++ b/apps/dav/lib/Connector/Sabre/ChecksumList.php
@@ -1,24 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/ChecksumUpdatePlugin.php b/apps/dav/lib/Connector/Sabre/ChecksumUpdatePlugin.php
index d68ced8361636..1bf45b22537f0 100644
--- a/apps/dav/lib/Connector/Sabre/ChecksumUpdatePlugin.php
+++ b/apps/dav/lib/Connector/Sabre/ChecksumUpdatePlugin.php
@@ -2,23 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright Copyright (c) 2021 Robin Appelman <robin@icewind.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\Connector\Sabre;
diff --git a/apps/dav/lib/Connector/Sabre/CommentPropertiesPlugin.php b/apps/dav/lib/Connector/Sabre/CommentPropertiesPlugin.php
index 94f9e167aaec3..71514016bda76 100644
--- a/apps/dav/lib/Connector/Sabre/CommentPropertiesPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/CommentPropertiesPlugin.php
@@ -2,28 +2,9 @@
 
 declare(strict_types=1);
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/CopyEtagHeaderPlugin.php b/apps/dav/lib/Connector/Sabre/CopyEtagHeaderPlugin.php
index 0533dcab4d977..609ac295b4ce1 100644
--- a/apps/dav/lib/Connector/Sabre/CopyEtagHeaderPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/CopyEtagHeaderPlugin.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/DavAclPlugin.php b/apps/dav/lib/Connector/Sabre/DavAclPlugin.php
index 8e5000fa9fb87..c499f806ebaa9 100644
--- a/apps/dav/lib/Connector/Sabre/DavAclPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/DavAclPlugin.php
@@ -1,29 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/Directory.php b/apps/dav/lib/Connector/Sabre/Directory.php
index 5bfc3e49e4257..38a84e1484b66 100644
--- a/apps/dav/lib/Connector/Sabre/Directory.php
+++ b/apps/dav/lib/Connector/Sabre/Directory.php
@@ -1,34 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Jakob Sack <mail@jakobsack.de>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/DummyGetResponsePlugin.php b/apps/dav/lib/Connector/Sabre/DummyGetResponsePlugin.php
index 2019c77ad3511..26819836001ca 100644
--- a/apps/dav/lib/Connector/Sabre/DummyGetResponsePlugin.php
+++ b/apps/dav/lib/Connector/Sabre/DummyGetResponsePlugin.php
@@ -1,28 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wickert <cwickert@suse.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/Exception/BadGateway.php b/apps/dav/lib/Connector/Sabre/Exception/BadGateway.php
index c4cd6db190a45..41ace00266076 100644
--- a/apps/dav/lib/Connector/Sabre/Exception/BadGateway.php
+++ b/apps/dav/lib/Connector/Sabre/Exception/BadGateway.php
@@ -1,23 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2021, Louis Chemineau <louis@chmn.me>
- *
- * @author Louis Chemineau <louis@chmn.me>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre\Exception;
 
diff --git a/apps/dav/lib/Connector/Sabre/Exception/EntityTooLarge.php b/apps/dav/lib/Connector/Sabre/Exception/EntityTooLarge.php
index 4fc3399ca810e..60b3b06ea012a 100644
--- a/apps/dav/lib/Connector/Sabre/Exception/EntityTooLarge.php
+++ b/apps/dav/lib/Connector/Sabre/Exception/EntityTooLarge.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre\Exception;
 
diff --git a/apps/dav/lib/Connector/Sabre/Exception/FileLocked.php b/apps/dav/lib/Connector/Sabre/Exception/FileLocked.php
index 83e01f290b872..5c39e6a437a6d 100644
--- a/apps/dav/lib/Connector/Sabre/Exception/FileLocked.php
+++ b/apps/dav/lib/Connector/Sabre/Exception/FileLocked.php
@@ -1,28 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Owen Winkler <a_github@midnightcircus.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre\Exception;
 
diff --git a/apps/dav/lib/Connector/Sabre/Exception/Forbidden.php b/apps/dav/lib/Connector/Sabre/Exception/Forbidden.php
index d71b837ade29b..0dd346a25461a 100644
--- a/apps/dav/lib/Connector/Sabre/Exception/Forbidden.php
+++ b/apps/dav/lib/Connector/Sabre/Exception/Forbidden.php
@@ -1,24 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre\Exception;
 
diff --git a/apps/dav/lib/Connector/Sabre/Exception/InvalidPath.php b/apps/dav/lib/Connector/Sabre/Exception/InvalidPath.php
index a8ca0aea97d32..a9ec8ffef9aa5 100644
--- a/apps/dav/lib/Connector/Sabre/Exception/InvalidPath.php
+++ b/apps/dav/lib/Connector/Sabre/Exception/InvalidPath.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre\Exception;
 
diff --git a/apps/dav/lib/Connector/Sabre/Exception/PasswordLoginForbidden.php b/apps/dav/lib/Connector/Sabre/Exception/PasswordLoginForbidden.php
index 7c00d15f6273e..f5cc117fafc54 100644
--- a/apps/dav/lib/Connector/Sabre/Exception/PasswordLoginForbidden.php
+++ b/apps/dav/lib/Connector/Sabre/Exception/PasswordLoginForbidden.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre\Exception;
 
diff --git a/apps/dav/lib/Connector/Sabre/Exception/TooManyRequests.php b/apps/dav/lib/Connector/Sabre/Exception/TooManyRequests.php
index 1110797aed4f3..67455fc9474ea 100644
--- a/apps/dav/lib/Connector/Sabre/Exception/TooManyRequests.php
+++ b/apps/dav/lib/Connector/Sabre/Exception/TooManyRequests.php
@@ -2,25 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright Copyright (c) 2023 Joas Schilling <coding@schilljs.com>
- *
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\Connector\Sabre\Exception;
diff --git a/apps/dav/lib/Connector/Sabre/Exception/UnsupportedMediaType.php b/apps/dav/lib/Connector/Sabre/Exception/UnsupportedMediaType.php
index a7e935d249703..c5fbfa3a16c9b 100644
--- a/apps/dav/lib/Connector/Sabre/Exception/UnsupportedMediaType.php
+++ b/apps/dav/lib/Connector/Sabre/Exception/UnsupportedMediaType.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre\Exception;
 
diff --git a/apps/dav/lib/Connector/Sabre/ExceptionLoggerPlugin.php b/apps/dav/lib/Connector/Sabre/ExceptionLoggerPlugin.php
index a195b5722f58b..47f4861c63e62 100644
--- a/apps/dav/lib/Connector/Sabre/ExceptionLoggerPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/ExceptionLoggerPlugin.php
@@ -1,29 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/FakeLockerPlugin.php b/apps/dav/lib/Connector/Sabre/FakeLockerPlugin.php
index c63b1cf50f2d5..485b6b09a3cde 100644
--- a/apps/dav/lib/Connector/Sabre/FakeLockerPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/FakeLockerPlugin.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/File.php b/apps/dav/lib/Connector/Sabre/File.php
index f60b18c4c2a73..ef47334047849 100644
--- a/apps/dav/lib/Connector/Sabre/File.php
+++ b/apps/dav/lib/Connector/Sabre/File.php
@@ -1,40 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Daniel Calviño Sánchez <danxuliu@gmail.com>
- * @author Jakob Sack <mail@jakobsack.de>
- * @author Jan-Philipp Litza <jplitza@users.noreply.github.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Jörn Friedrich Dreyer <jfd@butonic.de>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Owen Winkler <a_github@midnightcircus.com>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Semih Serhat Karakaya <karakayasemi@itu.edu.tr>
- * @author Stefan Schneider <stefan.schneider@squareweave.com.au>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/FilesPlugin.php b/apps/dav/lib/Connector/Sabre/FilesPlugin.php
index 7c9c709987875..d1ed8d834643d 100644
--- a/apps/dav/lib/Connector/Sabre/FilesPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/FilesPlugin.php
@@ -1,36 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Maxence Lange <maxence@artificial-owl.com>
- * @author Michael Jobst <mjobst+github@tecratech.de>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Robin McCorkell <robin@mccorkell.me.uk>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Tobias Kaminsky <tobias@kaminsky.me>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/FilesReportPlugin.php b/apps/dav/lib/Connector/Sabre/FilesReportPlugin.php
index 6a8cb3f0f59a1..0a978e099dc57 100644
--- a/apps/dav/lib/Connector/Sabre/FilesReportPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/FilesReportPlugin.php
@@ -1,29 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- * @author Vinicius Cubas Brand <vinicius@eita.org.br>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/LockPlugin.php b/apps/dav/lib/Connector/Sabre/LockPlugin.php
index 6305b0ec1380a..7bfbb35217310 100644
--- a/apps/dav/lib/Connector/Sabre/LockPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/LockPlugin.php
@@ -1,28 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Jaakko Salo <jaakkos@gmail.com>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Stefan Weil <sw@weilnetz.de>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/MaintenancePlugin.php b/apps/dav/lib/Connector/Sabre/MaintenancePlugin.php
index 1fc0232080541..8d23a05a3ecb2 100644
--- a/apps/dav/lib/Connector/Sabre/MaintenancePlugin.php
+++ b/apps/dav/lib/Connector/Sabre/MaintenancePlugin.php
@@ -1,29 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Valdnet <47037905+Valdnet@users.noreply.github.com>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/MtimeSanitizer.php b/apps/dav/lib/Connector/Sabre/MtimeSanitizer.php
index 6700b1eb81b5d..efed6ce09f80b 100644
--- a/apps/dav/lib/Connector/Sabre/MtimeSanitizer.php
+++ b/apps/dav/lib/Connector/Sabre/MtimeSanitizer.php
@@ -1,23 +1,7 @@
 <?php
 /**
- * @copyright Copyright (c) 2021, Louis Chemineau <louis@chmn.me>
- *
- * @author Louis Chemineau <louis@chmn.me>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 namespace OCA\DAV\Connector\Sabre;
diff --git a/apps/dav/lib/Connector/Sabre/Node.php b/apps/dav/lib/Connector/Sabre/Node.php
index 2b77dc08e8dbe..63e453c86afe7 100644
--- a/apps/dav/lib/Connector/Sabre/Node.php
+++ b/apps/dav/lib/Connector/Sabre/Node.php
@@ -1,37 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Daniel Calviño Sánchez <danxuliu@gmail.com>
- * @author Jakob Sack <mail@jakobsack.de>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Jörn Friedrich Dreyer <jfd@butonic.de>
- * @author Klaas Freitag <freitag@owncloud.com>
- * @author Markus Goetz <markus@woboq.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Tobias Kaminsky <tobias@kaminsky.me>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/ObjectTree.php b/apps/dav/lib/Connector/Sabre/ObjectTree.php
index c129371e37632..a7b6cadce35c8 100644
--- a/apps/dav/lib/Connector/Sabre/ObjectTree.php
+++ b/apps/dav/lib/Connector/Sabre/ObjectTree.php
@@ -1,30 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/Principal.php b/apps/dav/lib/Connector/Sabre/Principal.php
index c6f9fe3affcaa..f09ff4def641b 100644
--- a/apps/dav/lib/Connector/Sabre/Principal.php
+++ b/apps/dav/lib/Connector/Sabre/Principal.php
@@ -1,39 +1,8 @@
 <?php
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright Copyright (c) 2018, Georg Ehrke
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Christoph Seitz <christoph.seitz@posteo.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Daniel Kesselberg <mail@danielkesselberg.de>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Jakob Sack <mail@jakobsack.de>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Maxence Lange <maxence@artificial-owl.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- * @author Vinicius Cubas Brand <vinicius@eita.org.br>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/PropfindCompressionPlugin.php b/apps/dav/lib/Connector/Sabre/PropfindCompressionPlugin.php
index 0c274d807a01e..15daf1f34b675 100644
--- a/apps/dav/lib/Connector/Sabre/PropfindCompressionPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/PropfindCompressionPlugin.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/PublicAuth.php b/apps/dav/lib/Connector/Sabre/PublicAuth.php
index d5b3d41e1ef31..3e2cd81a80051 100644
--- a/apps/dav/lib/Connector/Sabre/PublicAuth.php
+++ b/apps/dav/lib/Connector/Sabre/PublicAuth.php
@@ -2,33 +2,11 @@
 
 declare(strict_types=1);
 
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Maxence Lange <maxence@artificial-owl.com>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 namespace OCA\DAV\Connector\Sabre;
diff --git a/apps/dav/lib/Connector/Sabre/QuotaPlugin.php b/apps/dav/lib/Connector/Sabre/QuotaPlugin.php
index b37325430e745..ea6fc12e1cbc5 100644
--- a/apps/dav/lib/Connector/Sabre/QuotaPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/QuotaPlugin.php
@@ -1,32 +1,10 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright Copyright (C) 2012 entreCables S.L. All rights reserved.
- * @copyright Copyright (C) 2012 entreCables S.L. All rights reserved.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Felix Moeller <mail@felixmoeller.de>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author scambra <sergio@entrecables.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-FileCopyrightText: 2012 entreCables S.L. All rights reserved
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/RequestIdHeaderPlugin.php b/apps/dav/lib/Connector/Sabre/RequestIdHeaderPlugin.php
index df82db59f1d39..f856fca51e17d 100644
--- a/apps/dav/lib/Connector/Sabre/RequestIdHeaderPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/RequestIdHeaderPlugin.php
@@ -2,23 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright Copyright (c) 2022 Robin Appelman <robin@icewind.nl>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\Connector\Sabre;
diff --git a/apps/dav/lib/Connector/Sabre/Server.php b/apps/dav/lib/Connector/Sabre/Server.php
index 6cf6fa954c8db..b7ca8a0a1c0fe 100644
--- a/apps/dav/lib/Connector/Sabre/Server.php
+++ b/apps/dav/lib/Connector/Sabre/Server.php
@@ -1,27 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author scolebrook <scolebrook@mac.com>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/ServerFactory.php b/apps/dav/lib/Connector/Sabre/ServerFactory.php
index 758951c42fff8..b07cbc904da9c 100644
--- a/apps/dav/lib/Connector/Sabre/ServerFactory.php
+++ b/apps/dav/lib/Connector/Sabre/ServerFactory.php
@@ -1,33 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/ShareTypeList.php b/apps/dav/lib/Connector/Sabre/ShareTypeList.php
index bacbdc99a7398..abe56cd0301d6 100644
--- a/apps/dav/lib/Connector/Sabre/ShareTypeList.php
+++ b/apps/dav/lib/Connector/Sabre/ShareTypeList.php
@@ -1,24 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/ShareeList.php b/apps/dav/lib/Connector/Sabre/ShareeList.php
index e43f552a8ccb3..b8f9f98d1c78a 100644
--- a/apps/dav/lib/Connector/Sabre/ShareeList.php
+++ b/apps/dav/lib/Connector/Sabre/ShareeList.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Tobias Kaminsky <tobias@kaminsky.me>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/SharesPlugin.php b/apps/dav/lib/Connector/Sabre/SharesPlugin.php
index 4cda346af0191..c734700f37fbe 100644
--- a/apps/dav/lib/Connector/Sabre/SharesPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/SharesPlugin.php
@@ -1,30 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Julius Härtl <jus@bitgrid.net>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Tobias Kaminsky <tobias@kaminsky.me>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/TagList.php b/apps/dav/lib/Connector/Sabre/TagList.php
index 86006cd3404af..5537acc452c9b 100644
--- a/apps/dav/lib/Connector/Sabre/TagList.php
+++ b/apps/dav/lib/Connector/Sabre/TagList.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Connector/Sabre/TagsPlugin.php b/apps/dav/lib/Connector/Sabre/TagsPlugin.php
index dc2b6b0c3394e..d7572c46ed3a0 100644
--- a/apps/dav/lib/Connector/Sabre/TagsPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/TagsPlugin.php
@@ -1,31 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright 2014 Vincent Petry <pvince81@owncloud.com>
- * @copyright 2014 Vincent Petry <pvince81@owncloud.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Sergio Bertolín <sbertolin@solidgear.es>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\Connector\Sabre;
 
diff --git a/apps/dav/lib/Controller/BirthdayCalendarController.php b/apps/dav/lib/Controller/BirthdayCalendarController.php
index 5df13cefe9747..8662030875824 100644
--- a/apps/dav/lib/Controller/BirthdayCalendarController.php
+++ b/apps/dav/lib/Controller/BirthdayCalendarController.php
@@ -1,25 +1,7 @@
 <?php
 /**
- * @copyright 2017, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Controller;
 
diff --git a/apps/dav/lib/Controller/DirectController.php b/apps/dav/lib/Controller/DirectController.php
index 2d4522c8d378d..4e3e29d0e6b17 100644
--- a/apps/dav/lib/Controller/DirectController.php
+++ b/apps/dav/lib/Controller/DirectController.php
@@ -3,27 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Iscle <albertiscle9@gmail.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Kate Döen <kate.doeen@nextcloud.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Controller;
 
diff --git a/apps/dav/lib/Controller/InvitationResponseController.php b/apps/dav/lib/Controller/InvitationResponseController.php
index 4a32966220f1f..4144e58d2ccc7 100644
--- a/apps/dav/lib/Controller/InvitationResponseController.php
+++ b/apps/dav/lib/Controller/InvitationResponseController.php
@@ -3,28 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Kate Döen <kate.doeen@nextcloud.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\Controller;
 
diff --git a/apps/dav/lib/Controller/OutOfOfficeController.php b/apps/dav/lib/Controller/OutOfOfficeController.php
index 5ab99c34b7942..b127c5c3cd3e8 100644
--- a/apps/dav/lib/Controller/OutOfOfficeController.php
+++ b/apps/dav/lib/Controller/OutOfOfficeController.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2023 Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\DAV\Controller;
diff --git a/apps/dav/lib/DAV/CustomPropertiesBackend.php b/apps/dav/lib/DAV/CustomPropertiesBackend.php
index 48872048ea868..ab62ae36c2cc4 100644
--- a/apps/dav/lib/DAV/CustomPropertiesBackend.php
+++ b/apps/dav/lib/DAV/CustomPropertiesBackend.php
@@ -1,27 +1,8 @@
 <?php
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright Copyright (c) 2017, Georg Ehrke <oc.list@georgehrke.com>
- *
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Richard Steinmetz <richard@steinmetz.cloud>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 namespace OCA\DAV\DAV;
diff --git a/apps/dav/lib/DAV/GroupPrincipalBackend.php b/apps/dav/lib/DAV/GroupPrincipalBackend.php
index 8c126e6b71cfe..7ccc3f02594a7 100644
--- a/apps/dav/lib/DAV/GroupPrincipalBackend.php
+++ b/apps/dav/lib/DAV/GroupPrincipalBackend.php
@@ -1,30 +1,8 @@
 <?php
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @copyright Copyright (c) 2018, Georg Ehrke
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author John Molakvoæ <skjnldsv@protonmail.com>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\DAV;
 
diff --git a/apps/dav/lib/DAV/PublicAuth.php b/apps/dav/lib/DAV/PublicAuth.php
index 3ba8bb2f3c5e6..2142bd0475334 100644
--- a/apps/dav/lib/DAV/PublicAuth.php
+++ b/apps/dav/lib/DAV/PublicAuth.php
@@ -1,24 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\DAV;
 
diff --git a/apps/dav/lib/DAV/Sharing/Backend.php b/apps/dav/lib/DAV/Sharing/Backend.php
index b467479bc1e04..cbae9ec1a3756 100644
--- a/apps/dav/lib/DAV/Sharing/Backend.php
+++ b/apps/dav/lib/DAV/Sharing/Backend.php
@@ -2,32 +2,9 @@
 
 declare(strict_types=1);
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Citharel <nextcloud@tcit.fr>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\DAV\Sharing;
 
diff --git a/apps/dav/lib/DAV/Sharing/IShareable.php b/apps/dav/lib/DAV/Sharing/IShareable.php
index 759981af0784e..d83079f697545 100644
--- a/apps/dav/lib/DAV/Sharing/IShareable.php
+++ b/apps/dav/lib/DAV/Sharing/IShareable.php
@@ -1,25 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\DAV\Sharing;
 
diff --git a/apps/dav/lib/DAV/Sharing/Plugin.php b/apps/dav/lib/DAV/Sharing/Plugin.php
index 78e086bc9079b..98d6883e8260d 100644
--- a/apps/dav/lib/DAV/Sharing/Plugin.php
+++ b/apps/dav/lib/DAV/Sharing/Plugin.php
@@ -1,26 +1,9 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
  */
 namespace OCA\DAV\DAV\Sharing;
 
diff --git a/apps/dav/lib/DAV/Sharing/SharingMapper.php b/apps/dav/lib/DAV/Sharing/SharingMapper.php
index c0c939c7a5e78..3bffddabd9c76 100644
--- a/apps/dav/lib/DAV/Sharing/SharingMapper.php
+++ b/apps/dav/lib/DAV/Sharing/SharingMapper.php
@@ -1,25 +1,10 @@
 <?php
 
 declare(strict_types=1);
-/*
- * @copyright 2024 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-
 namespace OCA\DAV\DAV\Sharing;
 
 use OCP\DB\QueryBuilder\IQueryBuilder;
diff --git a/apps/dav/lib/DAV/Sharing/SharingService.php b/apps/dav/lib/DAV/Sharing/SharingService.php
index 4b2a0beed1cf0..a5a0f96ba5920 100644
--- a/apps/dav/lib/DAV/Sharing/SharingService.php
+++ b/apps/dav/lib/DAV/Sharing/SharingService.php
@@ -2,22 +2,8 @@
 
 declare(strict_types=1);
 /**
- * @copyright 2024 Anna Larch <anna.larch@gmx.net>
- *
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\DAV\Sharing;