15 files changed, 84 insertions, 315 deletions

diff --git a/lib/private/App/AppStore/AppNotFoundException.php b/lib/private/App/AppStore/AppNotFoundException.php
new file mode 100644
index 00000000000..79ceebb4423
--- /dev/null
+++ b/lib/private/App/AppStore/AppNotFoundException.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OC\App\AppStore;
+
+class AppNotFoundException extends \Exception {
+}
diff --git a/lib/private/App/AppStore/Bundles/Bundle.php b/lib/private/App/AppStore/Bundles/Bundle.php
index fb86edff559..1443be81e92 100644
--- a/lib/private/App/AppStore/Bundles/Bundle.php
+++ b/lib/private/App/AppStore/Bundles/Bundle.php
@@ -1,25 +1,8 @@
 <?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 OC\App\AppStore\Bundles;
 
diff --git a/lib/private/App/AppStore/Bundles/BundleFetcher.php b/lib/private/App/AppStore/Bundles/BundleFetcher.php
index 53e82b39b81..4ff53b0c70b 100644
--- a/lib/private/App/AppStore/Bundles/BundleFetcher.php
+++ b/lib/private/App/AppStore/Bundles/BundleFetcher.php
@@ -1,26 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @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 OC\App\AppStore\Bundles;
 
diff --git a/lib/private/App/AppStore/Bundles/EducationBundle.php b/lib/private/App/AppStore/Bundles/EducationBundle.php
index 58ffd4f83b8..23681ec7416 100644
--- a/lib/private/App/AppStore/Bundles/EducationBundle.php
+++ b/lib/private/App/AppStore/Bundles/EducationBundle.php
@@ -1,25 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @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 OC\App\AppStore\Bundles;
 
@@ -28,7 +11,7 @@ class EducationBundle extends Bundle {
 	 * {@inheritDoc}
 	 */
 	public function getName() {
-		return $this->l10n->t('Education Edition');
+		return $this->l10n->t('Education bundle');
 	}
 
 	/**
@@ -42,6 +25,7 @@ class EducationBundle extends Bundle {
 			'announcementcenter',
 			'quota_warning',
 			'user_saml',
+			'whiteboard',
 		];
 	}
 }
diff --git a/lib/private/App/AppStore/Bundles/EnterpriseBundle.php b/lib/private/App/AppStore/Bundles/EnterpriseBundle.php
index bb64ec391ff..fc2d43e0388 100644
--- a/lib/private/App/AppStore/Bundles/EnterpriseBundle.php
+++ b/lib/private/App/AppStore/Bundles/EnterpriseBundle.php
@@ -1,25 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @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 OC\App\AppStore\Bundles;
 
diff --git a/lib/private/App/AppStore/Bundles/GroupwareBundle.php b/lib/private/App/AppStore/Bundles/GroupwareBundle.php
index 3a46ada52ad..93fa70268cd 100644
--- a/lib/private/App/AppStore/Bundles/GroupwareBundle.php
+++ b/lib/private/App/AppStore/Bundles/GroupwareBundle.php
@@ -1,26 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Bjoern Schiessle <bjoern@schiessle.org>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @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 OC\App\AppStore\Bundles;
 
diff --git a/lib/private/App/AppStore/Bundles/HubBundle.php b/lib/private/App/AppStore/Bundles/HubBundle.php
index d5d236a1855..354e01e25c2 100644
--- a/lib/private/App/AppStore/Bundles/HubBundle.php
+++ b/lib/private/App/AppStore/Bundles/HubBundle.php
@@ -3,26 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2020 Arthur Schiwon <blizzz@arthur-schiwon.de>
- *
- * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
- * @author Julius Härtl <jus@bitgrid.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: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OC\App\AppStore\Bundles;
 
diff --git a/lib/private/App/AppStore/Bundles/PublicSectorBundle.php b/lib/private/App/AppStore/Bundles/PublicSectorBundle.php
index 6634e2ff41e..106a6353029 100644
--- a/lib/private/App/AppStore/Bundles/PublicSectorBundle.php
+++ b/lib/private/App/AppStore/Bundles/PublicSectorBundle.php
@@ -1,24 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2024 Stephan Orbaugh <stephan.orbaugh@nextcloud.com>
- *
- * @author Stephan Orbaugh <stephan.orbaugh@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 OC\App\AppStore\Bundles;
 
@@ -45,6 +29,7 @@ class PublicSectorBundle extends Bundle {
 			'richdocuments',
 			'admin_audit',
 			'files_retention',
+			'whiteboard',
 		];
 	}
 
diff --git a/lib/private/App/AppStore/Bundles/SocialSharingBundle.php b/lib/private/App/AppStore/Bundles/SocialSharingBundle.php
index f823792745b..40f0fb15977 100644
--- a/lib/private/App/AppStore/Bundles/SocialSharingBundle.php
+++ b/lib/private/App/AppStore/Bundles/SocialSharingBundle.php
@@ -1,25 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @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 OC\App\AppStore\Bundles;
 
diff --git a/lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php b/lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php
index 46a18eb4c32..8389e525750 100644
--- a/lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php
+++ b/lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php
@@ -1,24 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2024 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: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OC\App\AppStore\Fetcher;
@@ -98,7 +82,7 @@ class AppDiscoverFetcher extends Fetcher {
 		});
 	}
 
-	public function getETag(): string|null {
+	public function getETag(): ?string {
 		$rootFolder = $this->appData->getFolder('/');
 
 		try {
diff --git a/lib/private/App/AppStore/Fetcher/AppFetcher.php b/lib/private/App/AppStore/Fetcher/AppFetcher.php
index bb1a0e89484..bbf4b00245b 100644
--- a/lib/private/App/AppStore/Fetcher/AppFetcher.php
+++ b/lib/private/App/AppStore/Fetcher/AppFetcher.php
@@ -1,31 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Georg Ehrke <oc.list@georgehrke.com>
- * @author Jakub Onderka <ahoj@jakubonderka.cz>
- * @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 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 OC\App\AppStore\Fetcher;
 
@@ -42,7 +19,8 @@ class AppFetcher extends Fetcher {
 	/** @var bool */
 	private $ignoreMaxVersion;
 
-	public function __construct(Factory $appDataFactory,
+	public function __construct(
+		Factory $appDataFactory,
 		IClientService $clientService,
 		ITimeFactory $timeFactory,
 		IConfig $config,
@@ -77,7 +55,8 @@ class AppFetcher extends Fetcher {
 		/** @var mixed[] $response */
 		$response = parent::fetch($ETag, $content);
 
-		if (empty($response)) {
+		if (!isset($response['data']) || $response['data'] === null) {
+			$this->logger->warning('Response from appstore is invalid, apps could not be retrieved. Try again later.', ['app' => 'appstoreFetcher']);
 			return [];
 		}
 
@@ -100,8 +79,8 @@ class AppFetcher extends Fetcher {
 						$minServerVersion = $serverVersion->getMinimumVersion();
 						$maxServerVersion = $serverVersion->getMaximumVersion();
 						$minFulfilled = $this->compareVersion->isCompatible($ncVersion, $minServerVersion, '>=');
-						$maxFulfilled = $maxServerVersion !== '' &&
-							$this->compareVersion->isCompatible($ncVersion, $maxServerVersion, '<=');
+						$maxFulfilled = $maxServerVersion !== ''
+							&& $this->compareVersion->isCompatible($ncVersion, $maxServerVersion, '<=');
 						$isPhpCompatible = true;
 						if (($release['rawPhpVersionSpec'] ?? '*') !== '*') {
 							$phpVersion = $versionParser->getVersion($release['rawPhpVersionSpec']);
@@ -172,11 +151,13 @@ class AppFetcher extends Fetcher {
 		$this->ignoreMaxVersion = $ignoreMaxVersion;
 	}
 
-
-	public function get($allowUnstable = false) {
+	public function get($allowUnstable = false): array {
 		$allowPreReleases = $allowUnstable || $this->getChannel() === 'beta' || $this->getChannel() === 'daily' || $this->getChannel() === 'git';
 
 		$apps = parent::get($allowPreReleases);
+		if (empty($apps)) {
+			return [];
+		}
 		$allowList = $this->config->getSystemValue('appsallowlist');
 
 		// If the admin specified a allow list, filter apps from the appstore
diff --git a/lib/private/App/AppStore/Fetcher/CategoryFetcher.php b/lib/private/App/AppStore/Fetcher/CategoryFetcher.php
index 9b84d2a6196..d7857d41bee 100644
--- a/lib/private/App/AppStore/Fetcher/CategoryFetcher.php
+++ b/lib/private/App/AppStore/Fetcher/CategoryFetcher.php
@@ -1,28 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
- *
- * @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 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 OC\App\AppStore\Fetcher;
 
diff --git a/lib/private/App/AppStore/Fetcher/Fetcher.php b/lib/private/App/AppStore/Fetcher/Fetcher.php
index 75d2069d07a..24876675d60 100644
--- a/lib/private/App/AppStore/Fetcher/Fetcher.php
+++ b/lib/private/App/AppStore/Fetcher/Fetcher.php
@@ -1,32 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
- *
- * @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 Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Steffen Lindner <mail@steffen-lindner.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 OC\App\AppStore\Fetcher;
 
@@ -38,11 +14,14 @@ use OCP\Files\IAppData;
 use OCP\Files\NotFoundException;
 use OCP\Http\Client\IClientService;
 use OCP\IConfig;
+use OCP\Server;
+use OCP\ServerVersion;
 use OCP\Support\Subscription\IRegistry;
 use Psr\Log\LoggerInterface;
 
 abstract class Fetcher {
 	public const INVALIDATE_AFTER_SECONDS = 3600;
+	public const INVALIDATE_AFTER_SECONDS_UNSTABLE = 900;
 	public const RETRY_AFTER_FAILURE_SECONDS = 300;
 	public const APP_STORE_URL = 'https://apps.nextcloud.com/api/v1';
 
@@ -77,7 +56,7 @@ abstract class Fetcher {
 	 *
 	 * @return array
 	 */
-	protected function fetch($ETag, $content) {
+	protected function fetch($ETag, $content, $allowUnstable = false) {
 		$appstoreenabled = $this->config->getSystemValueBool('appstoreenabled', true);
 		if ((int)$this->config->getAppValue('settings', 'appstore-fetcher-lastFailure', '0') > time() - self::RETRY_AFTER_FAILURE_SECONDS) {
 			return [];
@@ -111,7 +90,8 @@ abstract class Fetcher {
 			$response = $client->get($this->getEndpoint(), $options);
 		} catch (ConnectException $e) {
 			$this->config->setAppValue('settings', 'appstore-fetcher-lastFailure', (string)time());
-			throw $e;
+			$this->logger->error('Failed to connect to the app store', ['exception' => $e]);
+			return [];
 		}
 
 		$responseJson = [];
@@ -144,6 +124,7 @@ abstract class Fetcher {
 		$isDefaultAppStore = $this->config->getSystemValueString('appstoreurl', self::APP_STORE_URL) === self::APP_STORE_URL;
 
 		if (!$appstoreenabled || (!$internetavailable && $isDefaultAppStore)) {
+			$this->logger->info('AppStore is disabled or this instance has no Internet connection to access the default app store', ['app' => 'appstoreFetcher']);
 			return [];
 		}
 
@@ -157,12 +138,17 @@ abstract class Fetcher {
 			$file = $rootFolder->getFile($this->fileName);
 			$jsonBlob = json_decode($file->getContent(), true);
 
-			// Always get latests apps info if $allowUnstable
-			if (!$allowUnstable && is_array($jsonBlob)) {
+			if (is_array($jsonBlob)) {
 				// No caching when the version has been updated
 				if (isset($jsonBlob['ncversion']) && $jsonBlob['ncversion'] === $this->getVersion()) {
 					// If the timestamp is older than 3600 seconds request the files new
-					if ((int)$jsonBlob['timestamp'] > ($this->timeFactory->getTime() - self::INVALIDATE_AFTER_SECONDS)) {
+					$invalidateAfterSeconds = self::INVALIDATE_AFTER_SECONDS;
+
+					if ($allowUnstable) {
+						$invalidateAfterSeconds = self::INVALIDATE_AFTER_SECONDS_UNSTABLE;
+					}
+
+					if ((int)$jsonBlob['timestamp'] > ($this->timeFactory->getTime() - $invalidateAfterSeconds)) {
 						return $jsonBlob['data'];
 					}
 
@@ -185,11 +171,6 @@ abstract class Fetcher {
 				return [];
 			}
 
-			// Don't store the apps request file
-			if ($allowUnstable) {
-				return $responseJson['data'];
-			}
-
 			$file->putContent(json_encode($responseJson));
 			return json_decode($file->getContent(), true)['data'];
 		} catch (ConnectException $e) {
@@ -229,7 +210,7 @@ abstract class Fetcher {
 	 */
 	protected function getChannel() {
 		if ($this->channel === null) {
-			$this->channel = \OC_Util::getChannel();
+			$this->channel = Server::get(ServerVersion::class)->getChannel();
 		}
 		return $this->channel;
 	}
diff --git a/lib/private/App/AppStore/Version/Version.php b/lib/private/App/AppStore/Version/Version.php
index 5bd0226528f..2d169a291f1 100644
--- a/lib/private/App/AppStore/Version/Version.php
+++ b/lib/private/App/AppStore/Version/Version.php
@@ -1,24 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
- *
- * @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: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OC\App\AppStore\Version;
 
diff --git a/lib/private/App/AppStore/Version/VersionParser.php b/lib/private/App/AppStore/Version/VersionParser.php
index eac9c935517..8976f28837f 100644
--- a/lib/private/App/AppStore/Version/VersionParser.php
+++ b/lib/private/App/AppStore/Version/VersionParser.php
@@ -1,26 +1,8 @@
 <?php
+
 /**
- * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @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 OC\App\AppStore\Version;