feat: implement repair step to delete previous setup files

Will be necessary run the follow occ command first:

files:scan-app-data libresign

Signed-off-by: Vitor Mattos <[email protected]>

appinfo/info.xml

@@ -47,6 +47,11 @@ Developed with ❤️ by [LibreCode](https://librecode.coop). Help us transform
         <architecture>x86_64</architecture>
         <architecture>aarch64</architecture>
     </dependencies>
+    <repair-steps>
+        <post-migration>
+            <step>OCA\Libresign\Migration\DeleteOldBinaries</step>
+        </post-migration>
+    </repair-steps>
     <commands>
         <command>OCA\Libresign\Command\Configure\Check</command>
         <command>OCA\Libresign\Command\Configure\Cfssl</command>

lib/Migration/DeleteOldBinaries.php

@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2024 LibreCode coop and contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Libresign\Migration;
+
+use OC\DB\Connection;
+use OCP\Files\AppData\IAppDataFactory;
+use OCP\Files\IAppData;
+use OCP\Files\SimpleFS\ISimpleFolder;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class DeleteOldBinaries implements IRepairStep {
+	protected IAppData $appData;
+	protected IOutput $output;
+	protected array $allowedFiles = [
+		'x86_64',
+		'aarch64',
+		'openssl_config',
+		'cfssl_config',
+		'unauthenticated',
+	];
+	public function __construct(
+		protected IAppDataFactory $appDataFactory,
+	) {
+		$this->appData = $appDataFactory->get('libresign');
+	}
+
+	public function getName(): string {
+		return 'Delete old binaries.';
+	}
+
+	public function run(IOutput $output): void {
+		$output->warning('Run the follow command first: files:scan-app-data libresign');
+		$this->output = $output;
+		$folder = $this->appData->getFolder('/');
+
+		$list = $this->getDirectoryListing($folder);
+		foreach ($list as $file) {
+			if (!in_array($file->getName(), $this->allowedFiles)) {
+				$file->delete();
+			}
+		}
+	}
+
+	protected function reconnectToDatabase(): Connection {
+		/** @var Connection $connection*/
+		$connection = \OC::$server->get(Connection::class);
+		try {
+			$connection->close();
+		} catch (\Exception $ex) {
+			$this->output->info("<info>Error while disconnecting from database: {$ex->getMessage()}</info>");
+		}
+		while (!$connection->isConnected()) {
+			try {
+				$connection->connect();
+			} catch (\Exception $ex) {
+				$this->output->info("<info>Error while re-connecting to database: {$ex->getMessage()}</info>");
+				sleep(60);
+			}
+		}
+		return $connection;
+	}
+
+	private function getDirectoryListing(ISimpleFolder $node): array {
+		$reflection = new \ReflectionClass($node);
+		$reflectionProperty = $reflection->getProperty('folder');
+		$reflectionProperty->setAccessible(true);
+		$folder = $reflectionProperty->getValue($node);
+		$list = $folder->getDirectoryListing();
+		return $list;
+	}
+}